1. The utility model provides a vacuum pump fixing device for preloading is piled in expressway ramp road bed vacuum which characterized in that includes:

the anti-skid device comprises a bottom plate, wherein a base and an anti-skid structure are arranged on one side of the bottom plate;

the supporting structure is fixedly arranged on the other side of the bottom plate and arranged around the vacuum pump main body;

and the anti-collision structure is connected to the supporting structure, has two states of withdrawing and supporting and is used for supporting and protecting the vacuum pump main body.

2. The vacuum pump fixing device for vacuum preloading of an expressway ramp subgrade according to claim 1, wherein the support structure comprises support plates and a rotating shaft rotatably connected between two adjacent support plates.

3. The vacuum pump fixing device for vacuum preloading of the ramp subgrade of the expressway according to claim 2, wherein the anti-collision structure comprises a driving assembly and an anti-collision assembly;

wherein, drive assembly with the anticollision subassembly all connect in on the pivot.

4. The vacuum pump fixing device for vacuum preloading of the expressway ramp subgrade according to claim 3, wherein the anti-collision assembly comprises an anti-collision rod and a support block, the support block is fixedly connected to one end of the anti-collision rod, and the other end of the anti-collision rod is fixedly connected to the rotating shaft.

5. The vacuum pump fixing device for vacuum preloading of a ramp subgrade of a highway according to claim 4, wherein the crash bar is provided with a first crash-proof section and a second crash-proof section, and a buffer assembly is arranged between the first crash-proof section and the second crash-proof section.

6. The vacuum pump fixing device for vacuum preloading of a ramp subgrade of a highway according to claim 5, wherein the buffer assembly comprises a connecting assembly and a spring assembly;

wherein, spring unit symmetry sets up coupling assembling both sides, and with coupling assembling parallel arrangement.

7. The vacuum pump fixing device for vacuum preloading of the ramp subgrade of the expressway according to claim 6, wherein the connecting assembly comprises a connecting block and a connecting seat, the connecting block is located in the first anti-collision section, the connecting seat is located in the second anti-collision section, the connecting block is rotatably connected with the connecting seat, and a gap exists between the first anti-collision section and the second anti-collision section.

8. The vacuum pump fixing device for vacuum preloading of the expressway ramp subgrade as claimed in claim 6, wherein the spring assembly comprises a first tension spring and a second tension spring, and the first tension spring and the second tension spring are connected through a mounting block fixed on the first anti-collision section and the second anti-collision section.

9. The vacuum pump fixing device for vacuum preloading of the expressway ramp subgrade as claimed in any one of claims 3 to 8, wherein the driving assembly comprises a stepping motor and a worm and gear structure, wherein a worm gear of the worm and gear structure is fixedly installed on the rotating shaft, and a worm is connected to an output end of the stepping motor.

10. The vacuum pump fixing device for the vacuum preloading of the expressway ramp subgrade according to claim 9, wherein the anti-slip structure is a plurality of anti-slip strips arranged on the bottom plate in an array manner, and the anti-slip strips are made of rubber.

Background

The expressway ramp foundation has high requirement on foundation deformation, more geological units, long lines and large engineering quantity, and the expressway ramp is built on a soft soil foundation, so that the foundation treatment difficulty is high, and the quality of the foundation treatment is directly related to the success or failure of the engineering.

The vacuum combined preloading is the combination of vacuum preloading and preloading, the foundation is reinforced through the vacuum preloading in the early stage, the strength of the foundation is increased to a certain extent, the pore water pressure in the foundation is obviously reduced, the surface settlement rate is gradually reduced, then the surface settlement rate is increased through the preloading, and the combination of the two preloading methods can eliminate most of surface settlement in a short time, so that the purpose of soft foundation reinforcement is achieved.

The drainage consolidation process of the ramp roadbed of the expressway can be quickly finished by adopting the vacuum and surcharge combination of two drainage consolidation methods for prepressing, but in the specific construction process, when the vacuum pump works on a construction site, the stability is poor, the vacuum pump is easily knocked down by personnel or other objects, so that the failure of a connecting pipeline is caused, and further the construction efficiency is influenced.

Disclosure of Invention

The invention provides a vacuum pump fixing device for vacuum preloading of a ramp roadbed of a highway, which is used for solving the problems that a vacuum pump main body in the prior art is poor in stability and easy to knock down to cause pipeline connection failure, and further construction efficiency is influenced.

The invention provides a vacuum pump fixing device for vacuum preloading of a ramp subgrade of a highway, which comprises:

the anti-skid device comprises a bottom plate, wherein a base and an anti-skid structure are arranged on one side of the bottom plate;

the supporting structure is fixedly arranged on the other side of the bottom plate and arranged around the vacuum pump main body;

and the anti-collision structure is connected to the supporting structure, has two states of withdrawing and supporting and is used for supporting and protecting the vacuum pump main body.

According to the vacuum pump fixing device for the vacuum preloading of the expressway ramp subgrade, which is provided by the invention, the supporting structure comprises supporting plates and a rotating shaft which is rotatably connected between every two adjacent supporting plates.

According to the vacuum pump fixing device for the vacuum preloading of the ramp subgrade of the expressway provided by the invention, the anti-collision structure comprises a driving assembly and an anti-collision assembly;

wherein, drive assembly with the anticollision subassembly all connect in on the pivot.

According to the vacuum pump fixing device for the vacuum preloading of the ramp roadbed of the expressway, provided by the invention, the anti-collision assembly comprises an anti-collision rod and a supporting block, the supporting block is fixedly connected to one end of the anti-collision rod, and the other end of the anti-collision rod is fixedly connected to the rotating shaft.

According to the vacuum pump fixing device for the vacuum preloading of the ramp roadbed of the expressway, which is provided by the invention, the anti-collision rod is provided with a first anti-collision section and a second anti-collision section, and a buffer assembly is arranged between the first anti-collision section and the second anti-collision section.

According to the vacuum pump fixing device for the vacuum preloading of the ramp roadbed of the expressway, which is provided by the invention, the buffer assembly comprises a connecting assembly and a spring assembly;

wherein, spring unit symmetry sets up coupling assembling both sides, and with coupling assembling parallel arrangement.

According to the vacuum pump fixing device for the vacuum preloading of the expressway ramp subgrade, which is provided by the invention, the connecting assembly comprises a connecting block and a connecting seat, the connecting block is positioned at the first anti-collision section, the connecting seat is positioned at the second anti-collision section, the connecting block is rotatably connected with the connecting seat, and a gap is formed between the first anti-collision section and the second anti-collision section.

According to the vacuum pump fixing device for the vacuum preloading of the expressway ramp subgrade, which is provided by the invention, the spring assembly comprises a first tension spring and a second tension spring, and the first tension spring and the second tension spring are connected through a mounting block fixed on the first anti-collision section and the second anti-collision section.

According to the vacuum pump fixing device for the vacuum preloading of the expressway ramp subgrade, provided by the invention, the driving assembly comprises a stepping motor and a worm and gear structure, a worm gear in the worm and gear structure is fixedly arranged on the rotating shaft, and a worm is connected to the output end of the stepping motor.

According to the vacuum pump fixing device for the vacuum preloading of the expressway ramp subgrade, provided by the invention, the anti-skid structures are a plurality of anti-skid strips arranged on the bottom plate in an array manner, and the anti-skid strips are made of rubber materials.

According to the vacuum pump fixing device for the vacuum preloading of the ramp roadbed of the expressway, provided by the invention, the vacuum pump main body is arranged on the bottom plate, and the supporting structure is arranged on the bottom plate around the vacuum pump main body, so that the vacuum pump main body can be effectively protected, and the phenomenon that the connecting pipe is separated from the main body due to collision of the vacuum pump main body and the construction efficiency is influenced is avoided. Simultaneously, through connecting crashproof structure on bearing structure, make crashproof structure have and withdraw and support two kinds of states, can cooperate bearing structure to play good supporting role on the one hand, on the other hand can effectively cushion the impact, conveniently accomodate the removal simultaneously, can reduce area.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is one of the schematic structural diagrams of a vacuum pump fixing device for vacuum preloading of a ramp roadbed of a highway provided by the invention;

fig. 2 is a second schematic structural view of a vacuum pump fixing device for vacuum preloading of a ramp subgrade of a highway provided by the invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

reference numerals:

1: a base plate; 2: a support structure; 21: a support plate;

22: a rotating shaft; 3: an anti-collision structure; 31: an anti-collision bar;

311: a first anti-collision section; 312, a second anti-collision section; 32: a support block;

33: a stepping motor; 34: a worm gear; 35: a worm;

36, connecting blocks; 37, a connecting seat; 38: a first tension spring;

39, a second tension spring; 310, an installation block; 4: a base;

5: anti-slip strips; 6: a vacuum pump main body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiments of the present invention will be described below with reference to fig. 1 to 3. It should be understood that the following description is only exemplary embodiments of the present invention and is not intended to limit the present invention in any way.

Referring to fig. 1 to 3, as an embodiment of the present invention, the present invention provides a vacuum pump fixing device for vacuum preloading of a ramp roadbed of an expressway, including a bottom plate 1, a supporting structure 2 and an anti-collision structure 3.

Wherein, bearing structure 2 fixed mounting is at the upper surface of this bottom plate 1, and vacuum pump main part 6 is fixed at the upper surface of this bottom plate 1 equally, and bearing structure 2 sets up around vacuum pump main part 6 for protect vacuum pump main part 6, avoid the work progress, strike vacuum pump main part 6.

Wherein, crashproof structure 3 is connected on bearing structure 2, has and withdraws and support two kinds of states for support and protection vacuum pump main part 6, increase fixed knot constructs stability and security.

Wherein, the opposite side that is located bottom plate 1 and sets up with bearing structure 2 is equipped with base 4 and anti-skidding structure, and base 4 and anti-skidding structure all contact with ground.

It can be understood that the vacuum pump main body 6 is arranged on the bottom plate 1, and the support structure 2 is arranged on the bottom plate 1 around the vacuum pump main body 6, so that the vacuum pump main body 6 can be effectively protected, and the phenomenon that the connecting pipe is separated from the vacuum pump main body 6 due to collision and the construction efficiency is influenced is avoided. Simultaneously, through connecting crashproof structure 3 on bearing structure 2, make crashproof structure 3 have and withdraw and support two kinds of states, can cooperate bearing structure 2 to play good supporting role on the one hand, on the other hand can effectively cushion the impact, and convenient storage can reduce area simultaneously.

In this embodiment, the bottom plate 1 is rectangular or square, and the number of the bases 4 is four, and the bases are respectively located at four corners of the rectangular or square bottom plate 1 and are used for positioning and supporting the whole vacuum pump fixing device.

In the present embodiment, the support structure 2 includes support plates 21 and a rotation shaft 22 rotatably connected between adjacent two support plates 21.

Wherein the support structure 2 may be completely distributed around the vacuum pump body 6, i.e. arranged around the vacuum pump body 6; as shown in fig. 2, the vacuum pump main body 6 may be disposed only on both sides of the vacuum pump main body 6 in the longitudinal direction or the width direction, and how to select the vacuum pump main body 6 is determined according to the actual use condition and the connection pipeline on the vacuum pump main body 6.

When the supporting structure 2 is located at two sides of the vacuum pump main body 6, the number of the supporting plates 21 is four, the supporting plates are respectively located at four corners of the bottom plate 1, the supporting plates can be welded or fixedly connected to the bottom plate 1 through bolts, and the rotating shafts 22 are connected to the two supporting plates 21 in parallel.

In the present embodiment, specifically, the collision avoidance structure 3 includes a driving assembly and a collision avoidance assembly; wherein, drive assembly and anticollision subassembly all are connected on pivot 22.

More specifically, the anti-collision assembly comprises an anti-collision rod 31 and a supporting block 32, the supporting block 32 is fixedly connected to one end of the anti-collision rod 31, the other end of the anti-collision rod 31 is fixedly connected to the rotating shaft 22, and the anti-collision rod 31 can be directly welded to the rotating shaft 22 or can be installed on the rotating shaft 22 in a addiction matching mode.

In addition, the supporting block 32 may be spherical, and the supporting block 32 may be made of rubber, so that the friction coefficient is relatively high, and the supporting block can be stably supported on the ground.

Crashproof structure 3 has and withdraws and support two kinds of states, and when crashproof structure 3 was in the support state, formed a right angled triangle between crashproof pole 31 and ground and the bearing structure 2, because of triangle-shaped has stability, consequently can ensure to combine crashproof structure 3 to support the vacuum pump main part on bearing structure 2's basis, stability is better.

When the crash structure 3 is in the retracted state, the crash bar 31 is located right above the supporting structure 2, and the floor space of the vacuum pump fixing device is equivalent to the floor space of the bottom plate 1, so that the floor space is not increased by the crash structure 3. Therefore, the occupied area can be effectively reduced, and the storage and the movement are convenient.

In this embodiment, the driving assembly includes a stepping motor 33 and a worm and gear structure, in which a worm wheel 34 is fixedly mounted on the rotating shaft 22, the worm wheel 34 can be fixed on the rotating shaft 22 through a key connection, and a worm 35 is connected at the output end of the stepping motor 33.

The worm 35 is controlled by the stepping motor 33 to drive the worm wheel 34 meshed with the worm 35 to rotate, the worm wheel 34 synchronously drives the rotating shaft 22 to rotate, and then the anti-collision rod 31 drives the supporting block 32 to rotate around the rotating shaft 22, so that the operation of the anti-collision structure 3 in a withdrawing state or a supporting state is realized.

Specifically, the rotating shaft 22 drives the crash bar 31 to rotate, the crash bar 31 drives the supporting block 32 to rotate synchronously, and the supporting block 32 rotates to the ground for supporting.

In this embodiment, the anti-slip structure is a plurality of anti-slip strips 5 arranged on the bottom surface of the bottom plate 1 in an array, and the anti-slip strips 5 are parallel to the bottom plate 1. And antislip strips 5 can be arranged in an equidistant array along one edge of base 4, and can also be arranged in other shapes, such as multiple layers of rhombic convex strips which are arranged from the center of bottom plate 1 to the outside in a diffused mode, and the multiple layers of rhombic convex strips are arranged concentrically.

Wherein, antislip strip 5 is the rubber material, and coefficient of friction is great, so frictional force is great, and anti-skidding effect is better.

Referring to fig. 2 and 3, as another embodiment of the present invention, in addition to the above-mentioned embodiment, in order to prevent the crash bar 31 from being damaged by an excessive impact and from being affected by the vacuum pump main body 6, the present invention is disclosed. The crash bar 31 is divided into two sections, that is, the crash bar 31 has a first crash section 311 and a second crash section 312, and a buffer assembly is arranged between the first crash section 311 and the second crash section 312.

In this embodiment, the damping assembly includes a connecting assembly and a spring assembly; wherein, spring unit symmetry sets up in coupling assembling both sides to with coupling assembling parallel arrangement.

Specifically, connecting assembly includes connecting block 36 and connecting seat 37, and connecting block 36 is located first anticollision section 311, and connecting seat 37 is located second anticollision section 312, and connecting block 36 rotates with connecting seat 37 between be connected, and first anticollision section 311 or second anticollision section 312 can rotate around this rotation connecting point equivalently to the multiple anticollision circumstances of adaptation.

There is the clearance between first anticollision section 311 and the second anticollision section 312, is convenient for bumper 31 wholly to buckle or tensile.

The projected area of the connecting block 36 is smaller than that of the first anti-collision section 311, so that the connecting block is rotatably connected with the connecting seat 37.

Specifically, the spring assembly comprises a first tension spring 38 and a second tension spring 39, and the first tension spring 38 and the second tension spring 39 are connected through a mounting block 310 fixed on a first anti-collision section 311 and a second anti-collision section 312. The two mounting blocks 310 are respectively fixed at the ends of the first and second impact-prevention sections 311 and 312 which are close to each other.

Because the first and second tension springs 38 and 39 are arranged on both sides of the first and second impact-prevention sections 311 and 312. Therefore, when the first impact-prevention section 311 and the second impact-prevention section 312 are ensured to be vertical without being subjected to external force, the structure is equivalent to a complete impact-prevention rod 31.

When the fixing device is impacted, one of the first tension spring 38 and the second tension spring 39 is stretched, and the first anti-collision section 311 and the second anti-collision section 312 rotate relatively; when the striking disappears, tensile tension spring resets, and then drives first anticollision section 311 and second anticollision section 312 and reset, and this process can effectively cushion, avoids fixing device to receive the striking and damage.

In the working process of the invention, the vacuum pump main body 6 is placed at a construction site, the base 4 is positioned, and the anti-slip strip 5 contacts with the ground to limit the movement of the bottom plate 1. The stepping motor 33 rotates in the forward direction to drive the worm 35 to rotate, the worm 35 is meshed with the worm wheel 34 to drive the rotating shaft 22 to rotate, the rotating shaft 22 drives the anti-collision rod 31 and the supporting block 32 to rotate, the supporting block 32 rotates to the ground and is in contact with the ground to support, the supporting of the vacuum pump main body 6 can be strengthened, the vacuum pump main body 6 is prevented from being knocked down, and therefore the connecting pipe is separated from the ground, and construction efficiency is affected.

After the use, the stepping motor 33 works in a reverse direction, and the anti-collision rod 31 is retracted above the supporting structure 2, so that the floor area of a construction site is reduced, and the storage and the movement are convenient.

Meanwhile, the crash bar 31 has a buffering function, when the fixing device is impacted, one of the first tension spring 38 and the second tension spring 39 is stretched, and the first crash section 311 and the second crash section 312 rotate relatively; when the striking disappears, tensile tension spring resets, and then drives first anticollision section 311 and second anticollision section 312 and reset, can effectively cushion, avoids fixing device to receive the striking and damage.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.