1. An emergency slipper apparatus, comprising:

a slipper body (10);

a first support component (20) and a second support component (30), wherein one end of the first support component (20) is rotatably arranged on the framework of the suspension frame, and the other end of the first support component (20) is rotatably arranged on the slipper body (10); one end of the second supporting component (30) is rotatably arranged on a framework of the suspension frame, the other end of the second supporting component (30) is rotatably arranged on the sliding shoe body (10), the first supporting component (20) and the second supporting component (30) are arranged at an included angle to form a V-shaped structure, and the first supporting component (20) and the second supporting component (30) are used for transmitting the supporting force and the friction force of the track received by the sliding shoe body (10) to the suspension frame.

2. The emergency slipper apparatus of claim 1, wherein the first support assembly (20) and/or the second support assembly (30) is a retractable structure, the first support assembly (20) and/or the second support assembly (30) being configured to drive the slipper body (10) into contact with a track to generate friction for a train braking action.

3. The emergency slipper device of claim 1, wherein the first support assembly (20) comprises a plurality of first support rods arranged in parallel, one end of any one of the first support rods being rotatably arranged on a framework of the suspension frame, the other end of any one of the first support rods being rotatably arranged on the slipper body (10); and/or the second support assembly (30) comprises a plurality of second support rod pieces which are arranged in parallel, one end of any second support rod piece is rotatably arranged on the framework of the suspension frame, and the other end of any second support rod piece is rotatably arranged on the slipper body (10).

4. The emergency slipper device of any of claims 1 to 3, wherein the angle between the first support assembly (20) and the vertical is less than 45 ° and the angle between the second support assembly (30) and the horizontal is less than 45 °; and/or the included angle between the first supporting component (20) and the horizontal plane is less than 45 degrees, and the included angle between the second supporting component (30) and the vertical line is less than 45 degrees.

5. The emergency slipper device of claim 4, further comprising an elastic element (40), the elastic element (40) being disposed at a connection position of the first support assembly (20) with a framework of the suspension bracket, a connection position of the first support assembly (20) with the slipper body (10), a connection position of the second support assembly (30) with a framework of the suspension bracket, and a connection position of the second support assembly (30) with the slipper body (10).

6. Emergency slipper device according to claim 1, characterized in that the first support assembly (20) and the second support assembly (30) are both non-telescopic structures, the first supporting component (20) comprises a first supporting rod (21a) and a second supporting rod (22a) which are arranged in parallel, the second supporting component (30) comprises a third supporting rod (31a) and a fourth supporting rod (32a) which are arranged in parallel, the first supporting rod (21a) and the third supporting rod (31a) are arranged in an included angle to form a first V-shaped structure, one end of the first supporting rod (21a) and one end of the third supporting rod (31a) are both rotatably arranged on the framework at intervals, the other end of the first supporting rod (21a) and the other end of the third supporting rod (31a) are both rotatably arranged at the same position of the slipper body (10); the second bracing piece (22a) with fourth bracing piece (32a) are the contained angle setting in order to constitute second V type structure, the one end of second bracing piece (22a) with the one end of fourth bracing piece (32a) all rotationally the interval set up on the framework of suspension frame, the other end of second bracing piece (22a) with the other end of fourth bracing piece (32a) all rotationally the setting is in the same position of slipper body (10).

7. The emergency slipper device of claim 2, wherein the first support assembly (20) is of a telescopic structure, the second support assembly (30) is of a non-telescopic structure, the second support assembly (30) comprises a fifth support rod (31b), a sixth support rod (32b), a seventh support rod (33b) and an eighth support rod (34b) which are arranged in parallel, one end of the fifth support rod (31b) and one end of the sixth support rod (32b) are rotatably arranged at a spacing on one side of a framework, and the other end of the fifth support rod (31b) and the other end of the sixth support rod (32b) are rotatably arranged at a spacing on one side of the slipper body (10); one end of the seventh supporting rod (33b) and one end of the eighth supporting rod (34b) are rotatably arranged on the other side of the framework at intervals, and the other end of the seventh supporting rod (33b) and the other end of the eighth supporting rod (34b) are rotatably arranged on the other side of the slipper body (10) at intervals; one end of the first supporting component (20) is rotatably arranged on the framework, and the other end of the first supporting component (20) is rotatably arranged on the slipper body (10).

8. Emergency slipper device according to any of claims 1 to 7, characterized in that the slipper body (10) comprises a slipper upper mount (11) and a slipper upper (12), the slipper upper (12) being detachably arranged on the slipper upper mount (11), the first support assembly (20) and the second support assembly (30) each being rotatably connected with the slipper upper mount (11).

9. The emergency slipper device according to claim 8, wherein the slipper surface (12) has a friction surface (121), a first transition surface (122) and a second transition surface (123), the friction surface (121) is connected with the first transition surface (122) and the second transition surface (123) respectively, the friction surface (121) is used for contacting with a rail, the first transition surface (122) and the second transition surface (123) are arranged at an included angle with the friction surface (121), and the first transition surface (122) and the second transition surface (123) are used for preventing the slipper body (10) from colliding with a joint on the rail.

10. An electric magnetic levitation suspension, characterized in that the electric magnetic levitation suspension comprises a framework (200), a first superconducting magnet (300), a second superconducting magnet (400), a tie spring assembly (500), a second tie spring assembly (600), a support wheel assembly (700), a guide wheel assembly (800) and an emergency sliding shoe device (100), the emergency sliding shoe device (100) is the emergency sliding shoe device (100) of any one of claims 1 to 9, the first superconducting magnet (300) is disposed on one side of the framework (200) through the tie spring assembly (500), the second superconducting magnet (400) is disposed on the other side of the framework (200) through the tie spring assembly (500), the second tie spring assembly (600) is disposed on the framework (200), and the second tie spring assembly (600) is used for realizing the connection between the framework (200) and a vehicle body, the support wheel assembly (700) and the guide wheel assembly (800) are both arranged on the frame (200); when the train runs at a high speed, the height of the lower plane of the slipper of the emergency slipper device (100) from the track surface is smaller than the height of the supporting wheel assembly (700) from the track surface.

Background

In order to further increase the running speed of the train, after the wheel-track train, magnetic levitation trains have been invented, and currently, two magnetic levitation systems in the world are suitable for commercial operation, one is an electromagnetic levitation system (EMS) represented by the shanghai demonstration line, and the other is an electric levitation system (EDS) represented by the japanese sorb line.

Like a high-speed train, the EDS train mainly includes a body that is a passenger space and a running part that is located below the body and supports the body.

The running part of a maglev train is called a suspension frame, a superconducting magnet is arranged on the suspension frame, the superconducting magnet is formed by placing a plurality of coils made of superconducting materials in a low-temperature environment (called Dewar in the industry) in the magnet to enable the coils to reach a superconducting state, and then strong current is introduced into the coils to form a strong magnetic field.

The strong magnetic field of the superconducting magnet and the primary winding of the linear motor arranged on the track respectively form a rotor and a stator of the linear motor, so that the traction force and the braking force of the train are formed.

In addition, when the train moves, the strong magnetic field formed by the superconducting magnet and the electric coil arranged on the track generate mutual electromagnetic force action, and along with the increase of the moving speed of the train, the stronger the electromagnetic force action is, and when the train reaches a certain speed, enough levitation force and guiding force can be provided for the train. And when the train runs at a lower speed, the supporting force and the guiding force are provided by the mechanical action of the supporting wheels, the guiding wheels and the track.

Therefore, the superconducting magnet is an extremely important component on the suspension frame, once the suspension frame fails, the suspension frame immediately loses the suspension force and the guiding force, and the suspension frame and the vehicle body which run at high speed are likely to touch the track to cause great danger.

In order to solve the problem, a plurality of superconducting coils in each superconducting magnet are respectively arranged in a plurality of Dewar devices, so that when one coil is quenched, only the other coil in the same Dewar device is quenched, the two coils packaged in the other Dewar device are not influenced, and the two coils can still work normally. Each of the supermagnets shown in fig. 15(a) to 16(c) has four superconducting coils disposed therein, and are enclosed in two dewars in groups of two.

Even so, when two coils on a suspension frame lose time, it is equivalent to that this suspension frame loses 1/4's suspension power and guiding force to the suspension frame atress is no longer balanced, very easily leads to walking portion and track to take place to touch, must design emergent safety device and avoid suspension frame and automobile body and track to take place to touch.

In order to solve this problem, the suspension used in japanese sorbwire high-speed maglev trains employs emergency support wheels as safety devices for the loss of time of the superconducting magnet, as shown in fig. 17(a) to 17 (c).

When the magnet loses time, the suspension bracket and the superconducting magnet move downwards under the action of gravity, and the emergency supporting wheel is in contact with the track to provide a vertical supporting function.

However, the emergency support wheels of the prior art have the following two disadvantages.

First, because the suspension is in an unbalanced state, not only does pitching motion occur about the Z-axis, but also yawing motion occurs about the Y-axis, and the rotational direction of the support wheels is not matched with the direction of advance, which can lead to two problems: the wheel is difficult to rotate normally on the one hand, and the wheel wearing and tearing are very fast, and the wheel that the second wheel rotated has the guide effect, and this guide effect and the guide effect that the leading wheel provided "do not feel strong" each other can lead to the state of suspension frame more unstable.

Secondly, in order to make the wheel can rotate rapidly after touching the ground, the moment of inertia needs to be reduced, the wheel diameter cannot be designed to be too large, the capability of bearing vertical load of the too small wheel is limited, and the centrifugal acceleration of the wheel can be increased due to the fact that the diameter of the wheel is reduced, so that the strength of the wheel is affected.

Therefore, the emergency support wheels may be suitable for relatively low speed magnetic levitation trains (not more than 600km/h), questionable for the availability of high speed magnetic levitation trains.

Disclosure of Invention

The invention provides an emergency sliding shoe device and an electric magnetic suspension frame with the same, and can solve the technical problems that in the prior art, the emergency supporting wheel is poor in strength during braking and has a guiding effect, so that the state of the suspension frame is more unstable.

According to an aspect of the present invention, there is provided an emergency slipper apparatus, comprising: a slipper body; one end of the first supporting component is rotatably arranged on the framework of the suspension bracket, and the other end of the first supporting component is rotatably arranged on the slipper body; one end of the second supporting component is rotatably arranged on a framework of the suspension frame, the other end of the second supporting component is rotatably arranged on the sliding shoe body, the first supporting component and the second supporting component are arranged at included angles to form a V-shaped structure, and the first supporting component and the second supporting component are used for transmitting the supporting force and the friction force of the track received by the sliding shoe body to the suspension frame.

Further, the first support component and/or the second support component are/is of a telescopic structure and are used for driving the sliding shoe body to be in contact with the track to generate friction force for train braking action.

Furthermore, the first support assembly comprises a plurality of first support rod pieces which are arranged in parallel, one end of any one first support rod piece is rotatably arranged on the framework of the suspension frame, and the other end of any one first support rod piece is rotatably arranged on the slipper body; and/or the second support assembly comprises a plurality of second support rod pieces which are arranged in parallel, one end of any second support rod piece is rotatably arranged on the framework of the suspension frame, and the other end of any second support rod piece is rotatably arranged on the slipper body.

Furthermore, the included angle between the first supporting component and the vertical line is less than 45 degrees, and the included angle between the second supporting component and the horizontal plane is less than 45 degrees; and/or the included angle between the first supporting component and the horizontal plane is less than 45 degrees, and the included angle between the second supporting component and the vertical line is less than 45 degrees.

Furthermore, the emergency sliding shoe device further comprises an elastic element, and the elastic element is arranged at the connecting position of the first supporting component and the framework of the suspension frame, the connecting position of the first supporting component and the sliding shoe body, the connecting position of the second supporting component and the framework of the suspension frame, and the connecting position of the second supporting component and the sliding shoe body.

Furthermore, the first support assembly and the second support assembly are both non-telescopic structures, the first support assembly comprises a first support rod and a second support rod which are arranged in parallel, the second support assembly comprises a third support rod and a fourth support rod which are arranged in parallel, the first support rod and the third support rod are arranged in an included angle mode to form a first V-shaped structure, one end of the first support rod and one end of the third support rod are both rotatably arranged on the framework at an interval mode, and the other end of the first support rod and the other end of the third support rod are both rotatably arranged at the same position of the slipper body; the second bracing piece is the contained angle setting with the fourth bracing piece in order to constitute second V type structure, and the one end of second bracing piece and the one end of fourth bracing piece all rotationally the interval set up on the framework of suspension frame, and the other end of second bracing piece and the other end of fourth bracing piece all rotationally set up the same position at the boots body that slides.

Furthermore, the first supporting component is of a telescopic structure, the second supporting component is of a non-telescopic structure and comprises a fifth supporting rod, a sixth supporting rod, a seventh supporting rod and an eighth supporting rod which are arranged in parallel, one end of the fifth supporting rod and one end of the sixth supporting rod are rotatably arranged on one side of the framework at intervals, and the other end of the fifth supporting rod and the other end of the sixth supporting rod are rotatably arranged on one side of the slipper body at intervals; one end of the seventh supporting rod and one end of the eighth supporting rod are rotatably arranged on the other side of the framework at intervals, and the other end of the seventh supporting rod and the other end of the eighth supporting rod are rotatably arranged on the other side of the slipper body at intervals; one end of the first supporting component is rotatably arranged on the framework, and the other end of the first supporting component is rotatably arranged on the slipper body.

Further, the slipper body comprises a slipper surface mounting seat and a slipper surface, the slipper surface is detachably arranged on the slipper surface mounting seat, and the first supporting assembly and the second supporting assembly are rotatably connected with the slipper surface mounting seat.

Furthermore, the sliding shoe surface is provided with a friction surface, a first transition surface and a second transition surface, the friction surface is connected with the first transition surface and the second transition surface respectively, the friction surface is used for being in contact with the rail, the first transition surface and the second transition surface are arranged at included angles with the friction surface, and the first transition surface and the second transition surface are used for preventing the sliding shoe body from colliding with a joint on the rail.

According to another aspect of the present invention, an electric magnetic suspension comprises a framework, a first superconducting magnet, a second superconducting magnet, a spring tie assembly, a second spring tie assembly, a support wheel assembly, a guide wheel assembly and an emergency sliding shoe device, wherein the emergency sliding shoe device is the emergency sliding shoe device as described above, the first superconducting magnet is arranged on one side of the framework through the spring tie assembly, the second superconducting magnet is arranged on the other side of the framework through the spring tie assembly, the second superconducting magnet is arranged on the framework, the spring tie assembly is used for realizing the connection between the framework and a vehicle body, and the support wheel assembly and the guide wheel assembly are both arranged on the framework; when the train runs at a high speed, the height of the lower plane of the sliding shoe of the emergency sliding shoe device from the rail surface is smaller than the height of the supporting wheel assembly from the rail surface.

By applying the technical scheme of the invention, the emergency sliding shoe device is provided, and through the arrangement of the first supporting component and the second supporting component, when part of coils of the suspension frame lose time, the supporting force and the friction force of a track borne by the sliding shoe body can be transmitted to the suspension frame through the first supporting component and the second supporting component which are arranged in the V-shaped structure, and the mode is different from that of an emergency supporting wheel in the prior art; furthermore, after the sliding shoe body is contacted with the track, the friction resistance of the sliding shoe body in all directions is the same, and the advancing resistance along the rolling direction is not the minimum like an emergency supporting wheel, so that the contact of the sliding shoe body and the track has no guiding function, and the sliding shoe body and a device providing the guiding function cannot mutually generate 'extra strength', thereby being beneficial to maintaining the stability of the running state of the suspension frame.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 illustrates a front view of an emergency slipper apparatus provided in accordance with a first embodiment of the invention;

FIG. 2 illustrates a top view of the emergency slipper apparatus provided in FIG. 1;

3(a) to 3(c) show three views of a slipper body of an emergency slipper device provided according to a first embodiment of the invention;

FIG. 4 illustrates a front view of an emergency slipper apparatus provided in accordance with a second embodiment of the invention;

FIG. 5 illustrates a top view of the emergency slipper apparatus provided in FIG. 4;

fig. 6(a) to 6(c) show three views of a slipper body of an emergency slipper device provided according to a second embodiment of the invention;

figures 7(a) to 7(c) show three views of an electric magnetic levitation suspension with an emergency support slipper apparatus provided in accordance with a specific embodiment of the present invention;

fig. 8(a) to 8(c) show three views of an electric magnetic levitation suspension with emergency support skid device provided according to a specific embodiment of the present invention hiding a superconducting magnet;

FIG. 9 illustrates a side view of a frame provided in accordance with a specific embodiment of the present invention;

FIG. 10 shows a top view of the framework provided in FIG. 9;

11(a) to 11(c) show three views of a support wheel arrangement provided in accordance with a particular embodiment of the present invention;

12(a) to 12(c) show three views of a guide wheel arrangement provided in accordance with a particular embodiment of the present invention;

FIG. 13 is a schematic view showing the arrangement of the support wheel assembly, guide wheel assembly, emergency support slipper assembly on the side beams of the frame;

14(a) to 14(c) show three views of a superconducting magnet provided in accordance with a specific embodiment of the present invention;

fig. 15(a) to 15(c) are three views showing a superconducting magnet on a running part of an EDS-system magnetic levitation train provided in the related art and an electromagnetic force to which it is subjected;

fig. 16(a) to 16(c) show three views of a superconducting magnet provided in the prior art;

fig. 17(a) to 17(c) show three views of a japanese sorbwire high speed magnetic levitation running gear provided in the prior art after concealing a superconducting magnet.

Wherein the figures include the following reference numerals:

10. a slipper body; 11. a slipper surface mounting base; 12. a vamp; 13. mounting bolts on the vamp; 121. a friction surface; 122. a first transition surface; 123. a second transition surface; 20. a first support assembly; 21a, a first support rod; 22a, a second support bar; 30. a second support assembly; 31a, a third support bar; 32a, a fourth support bar; 31b, a fifth support bar; 32b, a sixth support bar; 33b, a seventh support bar; 34b, an eighth support bar; 40. an elastic element; 51a, a first mounting rotating shaft; 52a, a second mounting rotating shaft; 53a, a third mounting rotating shaft; 51b, a fourth mounting rotating shaft; 52b, a fifth mounting rotating shaft; 53b, a sixth mounting rotating shaft; 54b and a seventh mounting rotating shaft; 55b, an eighth mounting rotating shaft; 56b, a ninth mounting rotating shaft; 100. an emergency slipper device; 200. a frame; 211. a first side member; 212. a second side member; 210a, a first support wheel mounting interface; 210b, a second support wheel mounting interface; 210c, a first guide wheel mounting interface; 210d, a second guide wheel mounting interface; 210e, a first emergency slipper device mounting interface; 210f, a second emergency slipper device mounting interface; 210g, a tie spring mounting interface; 210h, a second series spring mounting interface; 221. a first center sill; 222. a second center sill; 231. a first end beam; 232. a second end beam; 300. a first superconducting magnet; 310. a first dewar device; 320. a first superconducting coil; 400. a second superconducting magnet; 410. a second dewar apparatus; 420. a second superconducting coil; 500. a spring tying member; 600. two tie spring assemblies; 700. a support wheel assembly; 710. a supporting wheel rotating arm; 720. a support wheel; 730. a supporting wheel telescoping mechanism; 800. a guide wheel assembly; 810. a guide wheel rotating arm; 820. a guide wheel; 830. a guide wheel telescoping mechanism; 900. a stay bar.

Detailed Description

As shown in fig. 1 to 6(c), according to an embodiment of the present invention, there is provided an emergency sliding shoe device, which includes a sliding shoe body 10, a first support assembly 20 and a second support assembly 30, one end of the first support assembly 20 is rotatably provided on a framework of a suspension frame, and the other end of the first support assembly 20 is rotatably provided on the sliding shoe body 10; one end of the second supporting component 30 is rotatably arranged on the framework of the suspension frame, the other end of the second supporting component 30 is rotatably arranged on the slipper body 10, the first supporting component 20 and the second supporting component 30 are arranged at an included angle to form a V-shaped structure, and the first supporting component 20 and the second supporting component 30 are used for transmitting the supporting force and the friction force of the track received by the slipper body 10 to the suspension frame.

By applying the configuration mode, the emergency sliding shoe device is provided, and through the arrangement of the first supporting component and the second supporting component, when part of coils of the suspension frame lose time, the supporting force and the friction force of the track borne by the sliding shoe body can be transmitted to the suspension frame through the first supporting component and the second supporting component which are arranged in the V-shaped structure; furthermore, after the sliding shoe body is contacted with the track, the friction resistance of the sliding shoe body in all directions is the same, and the advancing resistance along the rolling direction is not the minimum like an emergency supporting wheel, so that the contact of the sliding shoe body and the track has no guiding function, and the sliding shoe body and a device providing the guiding function cannot mutually generate 'extra strength', thereby being beneficial to maintaining the stability of the running state of the suspension frame.

Further, in the present invention, in order to provide an emergency braking function for a train, the first support member 20 and/or the second support member 30 may be configured as a telescopic structure, and the first support member 20 and/or the second support member 30 are used to drive the slipper body 10 into contact with a track to generate a frictional force for a train braking action.

In this configuration, by configuring the first support member 20 and/or the second support member 30 to be a retractable structure, the slipper body can be actively lowered through the retractable structure in case of emergency, thereby providing an emergency braking function for the train. Specifically, the first support assembly 20 and/or the second support assembly 30 may be designed as a retractable actuating mechanism, such as a cylinder or an air cylinder, so that the emergency shoe device has a braking function in addition to a safety contact rail function in an emergency. In addition, the extension and retraction amount of the telescopic action mechanism of the first support assembly 20 and/or the second support assembly 30 can be designed to be several levels, so that the emergency sliding shoe device has different levels of braking capability.

Further, in the present invention, in order to improve the braking stability of the emergency slipper device, the first support assembly 20 may be configured to include a plurality of first support rod pieces arranged in parallel, one end of any one of the first support rod pieces may be rotatably disposed on the frame of the suspension frame, and the other end of any one of the first support rod pieces may be rotatably disposed on the slipper body 10; and/or the second support assembly 30 comprises a plurality of second support rods arranged in parallel, one end of any second support rod is rotatably arranged on the framework of the suspension frame, and the other end of any second support rod is rotatably arranged on the slipper main body 10.

Under the configuration mode, the upper ends of the first support assembly and the second support assembly are connected to the framework of the suspension frame, the lower ends of the first support assembly and the second support assembly are connected to the slipper body, the lower ends of the first support assembly and the second support assembly can be selectively connected or not connected together according to specific braking conditions, when the braking stability is required to be high, the first support assembly and/or the second support assembly can be configured to comprise a plurality of support rod pieces, and when the braking stability is not required to be high and the weight of the slipper device needs to be reduced, the first support assembly and the second support assembly can be configured to comprise one support rod piece.

Further, in the present invention, in order to enable the emergency sliding shoe device to bear both vertical load and horizontal friction load, the included angle between the first supporting component 20 and the vertical line may be configured to be less than 45 °, and the included angle between the second supporting component 30 and the horizontal plane may be less than 45 °. The design is such that the first support member is primarily subjected to vertical loads and the second support member is primarily subjected to horizontal frictional loads. As another embodiment of the present invention, the angle between the first supporting component 20 and the horizontal plane may be configured to be less than 45 °, and the angle between the second supporting component 30 and the vertical line may be less than 45 °, so that the first supporting component mainly bears the horizontal friction load, and the second supporting component mainly bears the vertical load.

In addition, in the present invention, in order to be able to buffer the impact force when the sliding shoe device contacts the rail, the emergency sliding shoe device may be configured to further include an elastic element 40, and the elastic element 40 is disposed at a connection position of the first support assembly 20 and the framework of the suspension frame, a connection position of the first support assembly 20 and the sliding shoe body 10, a connection position of the second support assembly 30 and the framework of the suspension frame, and a connection position of the second support assembly 30 and the sliding shoe body 10.

In this configuration, elastic elements, such as rubber joints, are disposed at the connection position of the first support assembly 20 and the framework of the suspension frame, the connection position of the first support assembly 20 and the slipper body 10, the connection position of the second support assembly 30 and the framework of the suspension frame, and the connection position of the second support assembly 30 and the slipper body 10, so that the design is beneficial to buffering the impact force when the slipper device touches the rail, and providing the safety of the emergency slipper device.

Further, in the present invention, in order to improve the convenience of use of the slipper body, the slipper body 10 may be configured to include a slipper surface mounting base 11 and a slipper surface 12, the slipper surface 12 may be detachably disposed on the slipper surface mounting base 11, and the first support assembly 20 and the second support assembly 30 may be rotatably connected to the slipper surface mounting base 11.

By adopting the configuration mode, the slipper body is designed into a detachable split structure, and the slipper surface 12 is detachably arranged on the slipper surface mounting seat 11, so that the worn slipper surface can be conveniently replaced, the whole slipper body does not need to be slid, the use convenience of the slipper body is improved, and the cost is reduced. As an embodiment of the present invention, the upper 12 may be removably fixed to the upper mount 11 by means of upper mounting bolts 13, rivets, or the like.

Further, in the present invention, in order to prevent the joint between the slipper body and the rail from colliding, the slipper surface 12 may be configured to have a friction surface 121, a first transition surface 122 and a second transition surface 123, the friction surface 121 is connected to the first transition surface 122 and the second transition surface 123, the friction surface 121 is configured to contact the rail, the first transition surface 122 and the second transition surface 123 are both disposed at an angle to the friction surface 121, and the first transition surface 122 and the second transition surface 123 are configured to prevent the joint between the slipper body 10 and the rail from colliding.

By applying the configuration, the sliding shoe body is provided with the friction surface which is in contact with the rail, the first transition surface and the second transition surface are arranged in the front and back direction of the friction surface (along the front and back direction of sliding friction, such as the X direction in fig. 3 (a)), wherein the first transition surface and the second transition surface can be arranged into inclined surfaces and/or arc surfaces, and the mode can effectively prevent the sliding shoe body from colliding with the joint on the rail. The first supporting component and the second supporting component enable the sliding shoe body to be connected with the suspension frame, and further enable the supporting force and the friction force of the rail, which are borne by the sliding shoe body, to be transmitted to the suspension frame.

In addition, in the invention, the connection modes of the first support component 20 and the framework of the suspension bracket, the first support component 20 and the slipper body 10, the second support component 30 and the framework of the suspension bracket and the second support component 30 and the slipper body 10 are all designed to be in rotating shaft connection or ball joint connection, which is beneficial to improving the strength of the first support component and the second support component and simultaneously enables the slipper surface of the slipper body to be in surface contact with the track plane.

Further, as a first embodiment of the present invention, as shown in fig. 1 and fig. 2, the first support assembly 20 and the second support assembly 30 are both non-telescopic structures, the first support assembly 20 includes a first support rod 21a and a second support rod 22a which are arranged in parallel, the second support assembly 30 includes a third support rod 31a and a fourth support rod 32a which are arranged in parallel, the first support rod 21a and the third support rod 31a are arranged at an included angle to form a first V-shaped structure, one end of the first support rod 21a and one end of the third support rod 31a are both rotatably arranged on the frame at an interval, and the other end of the first support rod 21a and the other end of the third support rod 31a are both rotatably arranged at the same position of the slipper body 10; the second support rod 22a and the fourth support rod 32a are disposed at an included angle to form a second V-shaped structure, one end of the second support rod 22a and one end of the fourth support rod 32a are both rotatably disposed on the frame of the suspension frame at an interval, and the other end of the second support rod 22a and the other end of the fourth support rod 32a are both rotatably disposed at the same position of the slipper body 10.

Under the configuration mode, the first supporting rod and the third supporting rod are arranged at an included angle to form a first V-shaped structure, the second supporting rod and the fourth supporting rod are arranged at an included angle to form a second V-shaped structure, the first V-shaped structure and the second V-shaped structure are arranged in parallel, when a maglev train runs at a high speed, if part of superconducting coils are quenched, the maglev frame loses levitation force, the maglev frame sinks under the self-weight and the vehicle body weight, at the moment, the sliding shoe body is in contact with the track, an emergency supporting effect is provided for the maglev frame through the first V-shaped structure and the second V-shaped structure, and the train is braked during the emergency supporting effect.

As a second embodiment of the present invention, as shown in fig. 4 and 5, the first support assembly 20 is a telescopic structure, the second support assembly 30 is a non-telescopic structure, the second support assembly 30 includes a fifth support bar 31b, a sixth support bar 32b, a seventh support bar 33b and an eighth support bar 34b which are arranged in parallel, one end of the fifth support bar 31b and one end of the sixth support bar 32b are rotatably arranged at one side of the frame at intervals, and the other end of the fifth support bar 31b and the other end of the sixth support bar 32b are rotatably arranged at one side of the slipper body 10 at intervals; one end of the seventh supporting rod 33b and one end of the eighth supporting rod 34b are rotatably arranged at the other side of the framework at intervals, and the other end of the seventh supporting rod 33b and the other end of the eighth supporting rod 34b are rotatably arranged at the other side of the slipper body 10 at intervals; one end of the first support member 20 is rotatably provided on the frame, and the other end of the first support member 20 is rotatably provided on the slipper body 10.

Under the configuration mode, the fifth supporting rod, the framework, the sixth supporting rod and the sliding shoe body form a first parallelogram, the seventh supporting rod, the framework, the eighth supporting rod and the sliding shoe body form a second parallelogram, when the train meets an emergency, the fifth supporting rod, the sixth supporting rod, the seventh supporting rod and the eighth supporting rod drive the sliding shoe body to move parallel to the framework under the driving of the first supporting assembly, the suspension frame and the train body born by the suspension frame are supported, and the friction force between the sliding shoe body and the track is used as the braking resistance of the train.

According to another aspect of the present invention, there is provided an electric magnetic levitation suspension comprising a frame 200, a first superconducting magnet 300, a second superconducting magnet 400, a tie spring assembly 500, a second tie spring assembly 600, a support wheel assembly 700, a guide wheel assembly 800 and an emergency sliding shoe device 100, wherein the emergency sliding shoe device 100 is the emergency sliding shoe device 100 as described above, the first superconducting magnet 300 is disposed on one side of the frame 200 through the tie spring assembly 500, the second superconducting magnet 400 is disposed on the other side of the frame 200 through the tie spring assembly 500, the second tie spring assembly 600 is disposed on the frame 200, the second tie spring assembly 600 is used for realizing connection between the frame 200 and a vehicle body, and the support wheel assembly 700 and the guide wheel assembly 800 are both disposed on the frame 200; when the train runs at a high speed, the height of the lower plane of the skid shoe of the emergency skid shoe device 100 from the track surface is less than the height of the supporting wheel assembly 700 from the track surface.

In such a configuration mode, when the emergency sliding shoe device provided by the invention is in contact with a track, the emergency sliding shoe device does not need to rotate, and design limitations in aspects of rotational inertia, centrifugal acceleration and the like do not exist; furthermore, after the sliding shoe body is contacted with the track, the friction resistance of the sliding shoe body in all directions is the same, and the advancing resistance along the rolling direction is not the minimum like an emergency supporting wheel, so that the contact of the sliding shoe body and the track has no guiding function, and the sliding shoe body and a device providing the guiding function cannot mutually generate 'extra strength', thereby being beneficial to maintaining the stability of the running state of the suspension frame. Therefore, the emergency sliding shoe device provided by the invention is applied to the electric magnetic suspension frame, and the safety performance of the suspension frame can be greatly improved.

Further, in the invention, in order to further improve the safety performance of the suspension, the electric magnetic suspension may be configured to include four emergency sliding shoe devices, the first emergency sliding shoe device and the second emergency sliding shoe device are disposed on one side of the frame and symmetrically arranged with respect to the transverse center line of the suspension, the third emergency sliding shoe device and the fourth emergency sliding shoe device are disposed on the other side of the frame and symmetrically arranged with respect to the transverse center line of the suspension, the first emergency sliding shoe device and the third emergency sliding shoe device are symmetrically arranged with respect to the longitudinal center line of the suspension, and the second emergency sliding shoe device and the fourth emergency sliding shoe device are symmetrically arranged with respect to the longitudinal center line of the suspension.

In the present invention, the frame 200 is the main structure of the suspension, and other devices on the suspension are directly or indirectly mounted on the frame 200. The left and right sides of the suspension frame are respectively provided with a superconducting magnet, and the first superconducting magnet 300 and the second superconducting magnet 400 are connected with each other into a whole through a plurality of support rods 900. The first superconducting magnet 300 is disposed at one side of the frame 200 by a mooring spring assembly 500, and the second superconducting magnet 400 is disposed at the other side of the frame 200 by a mooring spring assembly 500, so that when the train runs at a high speed, the levitation force and the guidance force received by the first superconducting magnet 300 and the second superconducting magnet 400 are transmitted to the frame 200, and when the train speed is lower than a certain value, the frame 200 provides a supporting function for the superconducting magnets.

The secondary spring assembly 600 is a suspension unit disposed between the suspension frame and the vehicle body, and the suspension frame supports the weight of the vehicle body and the passengers therein through the secondary spring assembly 600. The supporting wheel assembly 700 includes four supporting wheels, the four supporting wheels are respectively disposed at the left and right sides of the front and rear end portions of the suspension frame, the guide wheel assembly 800 includes four guide wheels, the four guide wheels are respectively disposed at the left and right sides of the front and rear end portions of the suspension frame, and when the suspension frame is operated at a low speed, the supporting force and the guiding force are provided by the supporting wheels and the guide wheels.

When the first supporting component or the second supporting component of the sliding shoe device is of a telescopic structure, when the train runs at a high speed, the supporting wheels and the telescopic structures of the emergency sliding shoe device are both in a contracted state, and the distance between the lower plane of the sliding shoe of the emergency sliding shoe device and the rail is closer than that of the supporting wheels. When the train has an emergency, the emergency sliding shoe device can firstly carry out emergency braking on the train, and when the speed of the train is reduced to a certain degree, the supporting wheels and the guide wheels can be extended out to provide supporting force and guiding force for the running of the train by the supporting wheels and the guide wheels, so that the running safety of the high-speed magnetic suspension train is ensured.

For further understanding of the present invention, the emergency sliding shoe device and the electric magnetic levitation suspension provided by the present invention will be described in detail below with reference to fig. 1 to 14 (c).

The first embodiment: as shown in fig. 1 to 3(c), according to a first embodiment of the present invention, there is provided an emergency sliding shoe device, which includes a sliding shoe body 10, a first support assembly 20 and a second support assembly 30, wherein the first support assembly 20 and the second support assembly 30 are both non-telescopic structures, the first support assembly 20 includes a first support rod 21a and a second support rod 22a which are arranged in parallel, the second support assembly 30 includes a third support rod 31a and a fourth support rod 32a which are arranged in parallel, the first support rod 21a and the third support rod 31a are arranged at an angle to form a first V-shaped structure, one end of the first support rod 21a is rotatably disposed on a frame by a first mounting rotating shaft 51a, one end of the third support rod 31a is rotatably disposed on the frame by a second mounting rotating shaft 52a, and the other end of the first support rod 21a and the other end of the third support rod 31a are rotatably disposed on the sliding shoe body 10 by a third mounting rotating shaft 53a The same position; the second support rod 22a and the fourth support rod 32a are disposed at an included angle to form a second V-shaped structure, one end of the second support rod 22a is rotatably disposed on the frame of the suspension frame through the first mounting rotating shaft 51a, one end of the fourth support rod 32a is rotatably disposed on the frame of the suspension frame through the second mounting rotating shaft 52a, and the other end of the second support rod 22a and the other end of the fourth support rod 32a are both rotatably disposed at the same position of the slipper body 10 through the third mounting rotating shaft 53 a.

The first support bar 21a and the second support bar 22a are at an angle of less than 45 degrees to the vertical (Y direction in fig. 1) and mainly bear vertical loads. The third support bar 31a and the fourth support bar 32a are at an angle of less than 45 degrees with respect to the horizontal (X direction in fig. 1), and mainly bear horizontal loads.

The slipper body 10 comprises a slipper surface mounting seat 11 and a slipper surface 12, a slipper surface mounting bolt 13 of the slipper surface 12 is detachably arranged on the slipper surface mounting seat 11, and only the slipper surface 12 can be conveniently replaced after the slipper surface 12 is worn without replacing the whole slipper body 10. The sliding shoe surface 12 is provided with a friction surface 121, a first transition surface 122 and a second transition surface 123, the friction surface 121 contacts with a rail, the first transition surface 122 and the second transition surface 123 are arranged at included angles with the friction surface 121, the first transition surface 122 and the second transition surface 123 are used for preventing the sliding shoe body 10 from colliding with a joint on the rail in the front, and the first transition surface and the second transition surface can be arranged to be inclined planes and/or arc surfaces.

Second embodiment: as shown in fig. 4 to 6(c), according to a second embodiment of the present invention, there is provided an emergency sliding shoe device including a sliding shoe body 10, a first support assembly 20 and a second support assembly 30, the first support assembly 20 and the second support assembly 30 being arranged in a V-shaped configuration. The first support assembly 20 is of a telescopic structure, the second support assembly 30 is of a non-telescopic structure, the second support assembly 30 comprises a fifth support rod 31b, a sixth support rod 32b, a seventh support rod 33b and an eighth support rod 34b which are arranged in parallel, one end of the fifth support rod 31b is rotatably arranged at one side of the framework through a fifth mounting rotating shaft 52b, one end of the sixth support rod 32b is rotatably arranged at one side of the framework through a fourth mounting rotating shaft 51b, the other end of the fifth support rod 31b is rotatably arranged at one side of the slipper main body 10 through a seventh mounting rotating shaft 54b, and the other end of the sixth support rod 32b is rotatably arranged at one side of the slipper main body 10 through a ninth mounting rotating shaft 56 b; one end of the seventh supporting rod 33b is rotatably disposed at one side of the frame by a fifth mounting rotating shaft 52b, one end of the eighth supporting rod 34b is rotatably disposed at the other side of the frame by a fourth mounting rotating shaft 51b, the other end of the seventh supporting rod 33b is rotatably disposed at the other side of the slipper main body 10 by a seventh mounting rotating shaft 54b, and the other end of the eighth supporting rod 34b is rotatably disposed at the other side of the slipper main body 10 by a ninth mounting rotating shaft 56 b; one end of the first support member 20 is rotatably provided on the frame by a sixth mounting rotation shaft 53b, and the other end of the first support member 20 is rotatably provided on the slipper main body 10 by an eighth mounting rotation shaft 55.

The first support member 20 is disposed at an angle of less than 45 degrees to the vertical (Y-direction in fig. 4) and is primarily responsible for vertical loads. The angles between the fifth support bar 31b, the sixth support bar 32b, the seventh support bar 33b and the eighth support bar 34b and the horizontal line (X direction in fig. 4) are less than 45 degrees, and mainly bear the horizontal load.

The slipper body 10 comprises a slipper surface mounting seat 11 and a slipper surface 12, a slipper surface mounting bolt 13 of the slipper surface 12 is detachably arranged on the slipper surface mounting seat 11, and only the slipper surface 12 can be conveniently replaced after the slipper surface 12 is worn without replacing the whole slipper body 10. The sliding shoe surface 12 is provided with a friction surface 121, a first transition surface 122 and a second transition surface 123, the friction surface 121 contacts with a rail, the first transition surface 122 and the second transition surface 123 are arranged at included angles with the friction surface 121, the first transition surface 122 and the second transition surface 123 are used for preventing the sliding shoe body 10 from colliding with a joint on the rail in the front, and the first transition surface and the second transition surface can be arranged to be inclined planes and/or arc surfaces.

The extending motion of the first support member 20 corresponds to the lowering motion of the slipper body 10, and when the slipper body is lowered to the height of the horizontal plane of the track, the friction surface 121 of the slipper body 10 can actively contact with the track surface to generate a friction force for braking.

The third embodiment: as shown in fig. 7(a) to 14(c), according to a third embodiment of the present invention, there is provided an electric magnetic levitation suspension including a frame 200, a first superconducting magnet 300, a second superconducting magnet 400, a tie spring assembly 500, a second tie spring assembly 600, a support wheel assembly 700, a guide wheel assembly 800, and four sets of emergency skid shoe devices 100, wherein the first superconducting magnet 300 is disposed on one side of the frame 200 through the tie spring assembly 500, the second superconducting magnet 400 is disposed on the other side of the frame 200 through the tie spring assembly 500, the second tie spring assembly 600 is disposed on the frame 200, the second tie spring assembly 600 is used for realizing connection between the frame 200 and a vehicle body, and the support wheel assembly 700 and the guide wheel assembly 800 are both disposed on the frame 200; when the train runs at a high speed, the height of the lower plane of the skid shoe of the emergency skid shoe device 100 from the track surface is less than the height of the supporting wheel assembly 700 from the track surface.

The frame 200 as the suspension main body structure is mainly composed of a first side beam 211, a second side beam 212, a first middle beam 221, a second middle beam 222, a first end beam 231 and a second end beam 232, and the side beam 200 is M-shaped in side view, i.e., left-right symmetrical, concave in the middle, and arched at the ends. The side beam 200 is provided with a first support wheel mounting interface 210a, a second support wheel mounting interface 210b, a first guide wheel mounting interface 210c, a second guide wheel mounting interface 210d, a first emergency slipper device mounting interface 210e, a second emergency slipper device mounting interface 210f, a first tie spring mounting interface 210g and a second tie spring mounting interface 210 h.

The supporting wheel assembly 700 is composed of a supporting wheel rotating arm 710, a supporting wheel 720 and a supporting wheel telescopic mechanism 730, wherein one end of the supporting wheel rotating arm 710 is installed on a first supporting wheel installation interface 210a through a rotating shaft, one end of the supporting wheel telescopic mechanism 730 of the supporting wheel 720 is installed on a second supporting wheel installation interface 210b of the upper arch part of the side beam in a rotating shaft mode, and the supporting wheel 720 is positioned below the upper arch part of the side beam.

The guide wheel assembly 800 is composed of a guide wheel rotating arm 810, a guide wheel 820 and a guide wheel telescoping mechanism 830, wherein the guide wheel rotating arm 810 is installed on the second guide wheel installation interface 210d at the upper arch part of the side beam through a rotating shaft, one end of the guide wheel telescoping mechanism 830 is installed on the first guide wheel installation interface 210c at the end part of the side beam in a rotating shaft manner, and the guide wheel 820 is positioned above the outer end of the upper arch part of the side beam.

Two sets of emergency sliding shoe devices are symmetrically mounted on each M-shaped side beam 200, four sets of emergency sliding shoe devices are arranged on a suspension frame in total, and the four sets of emergency sliding shoe devices are symmetrically arranged about the transverse and longitudinal center lines (the Z axis and the X axis shown in fig. 8 (b)) of the suspension frame in a top view.

The emergency slipper apparatus 100 is located below the side beam 200 closer to the middle of the M-shaped side beam with respect to the support wheel assembly 700, that is, the fore-aft spacing of the emergency slipper apparatus is smaller than the fore-aft spacing of the support wheel assembly 700.

The support wheel assembly 700 and the emergency shoe device 100 are provided with telescopic mechanisms, and when the magnetic levitation train runs at a high speed, the telescopic mechanisms are in a contracted state, and at the moment, the height from the lower plane of the emergency support shoe to the track surface is 10mm less than the height from the support wheel to the track surface, as shown in fig. 13.

A first superconducting magnet 300 is arranged on one side of the suspension, a second superconducting magnet 400 is arranged on the other side of the suspension, two first dewar devices 310 are arranged in the first superconducting magnet 300, and two first superconducting coils 320 are arranged in each first dewar device 310. Two second dewar arrangements 410 are provided within second superconducting magnet 400, and two second superconducting coils 420 are provided within each second dewar arrangement 410. The first superconducting magnet 300 and the second superconducting magnet 400 are connected to each other as a whole through a plurality of supporting rods 900.

The first superconducting magnet 300 and the second superconducting magnet 400 are mounted on the frame 200 through a torsion spring assembly 500, and a levitation force and a guidance force received by the superconducting magnets are transmitted to the frame 200 when the train runs at a high speed, and the frame 200 provides a support function for the superconducting magnets when the train speed is lower than a certain value. The secondary spring assembly 600 is a suspension unit disposed between the suspension frame and the vehicle body, and the suspension frame supports the weight of the vehicle body and the passengers therein through the secondary spring assembly 600.

In summary, the invention provides an emergency sliding shoe device and an electric magnetic suspension rack, and compared with the prior art, the emergency sliding shoe device and the electric magnetic suspension rack have the following advantages.

Firstly, after the emergency sliding shoe device for the suspension frame is installed, when a suspension train runs at a high speed, if part of superconducting coils are quenched, the suspension frame loses suspension force, and sinks under the suspension frame with self weight and vehicle body weight, because the distance between the sliding shoe surface of the emergency sliding shoe device on the suspension frame and a track is minimum, the emergency sliding shoe device firstly contacts with the track to provide emergency support for the suspension frame, during the period, the train is braked, and when the speed is reduced to a certain degree, a support wheel and a guide wheel can extend out, so that the support wheel and the guide wheel provide support force and guide force for the running of the train, and the running safety of the high-speed magnetic suspension train is ensured.

Secondly, the front side and the rear side of the sliding shoe surface of the sliding shoe body are provided with inclined surfaces or arc surfaces, so that the safety problem caused by collision between the sliding shoe body and a rail joint can be avoided.

Thirdly, when the emergency sliding shoe device slides with the track at a high speed, the rough degree on the track can cause severe impact and vibration of the suspension bracket, and the invention can well weaken the vibration through the elastic elements arranged at each connecting joint or rotating shaft.

Fourthly, the first support assembly and/or the second support assembly are arranged into a telescopic structure, when the train meets an emergency, the telescopic structure can act to actively extend the four sliding shoe devices on each suspension frame, the suspension frames and the train body borne by the suspension frames are supported, and the friction force between the sliding shoes and the track is used as the braking resistance of the train. In addition, the larger the height of the suspension bracket supported by the emergency sliding shoe device is, the larger the pressure borne by the emergency sliding shoe is, and the larger the friction resistance provided by the emergency sliding shoe is, so that the friction braking mode can be designed into multi-stage braking with different braking capacities.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.