1. A main frame with gantry support legs is characterized by comprising:

a frame slidably connected to the track;

the gantry base is connected with the frame body, and is positioned in front of the frame body along the advancing direction of the frame body; the gantry base is connected with a telescopic beam, the telescopic beam can be connected with the gantry base in a sliding manner, and the sliding direction of the telescopic beam relative to the gantry base is perpendicular to the advancing direction of the frame body; the telescopic beam is connected with a first driver, and the first driver can drive the telescopic beam to reciprocate;

the end, far away from the gantry base, of the telescopic beam is connected with a supporting leg assembly, the supporting leg assembly comprises a supporting leg inner sleeve and a supporting leg outer sleeve, the supporting leg outer sleeve is slidably sleeved outside the supporting leg inner sleeve, and one end, far away from the supporting leg inner sleeve, of the supporting leg outer sleeve is hinged with the telescopic beam; the support leg outer sleeve is connected with a second driver, the second driver can drive the support leg outer sleeve to rotate relative to the telescopic beam, the support leg inner sleeve is connected with a third driver, and the third driver can drive the support leg inner sleeve to reciprocate relative to the support leg outer sleeve;

the number of the telescopic beams and the number of the supporting leg assemblies are two, the telescopic beams and the supporting leg assemblies are in one-to-one correspondence, and the two groups of the telescopic beams and the supporting leg assemblies are respectively arranged on two sides of the gantry base body.

2. The main frame with gantry legs of claim 1, wherein: the radial cross sections of the telescopic beam, the outer supporting leg sleeve and the inner supporting leg sleeve are all polygonal.

3. The main frame with gantry legs of claim 1, wherein: the first drivers are hydraulic oil cylinders, the number of the first drivers is consistent with that of the telescopic beams and corresponds to that of the telescopic beams one by one, one end of each first driver is connected with the gantry base body, and the other end of each first driver is connected with the telescopic beams.

4. A main frame with gantry legs as claimed in claim 3, wherein: one end of the first driver is hinged with the gantry base, the other end of the first driver is hinged with the telescopic beam, the relative rotation axis of the first driver and the gantry base and the relative rotation axis of the first driver and the telescopic beam are both perpendicular to the top surface of the gantry base, and the first driver is positioned in the gantry base.

5. The main frame with gantry legs of claim 1, wherein: the second driver is a hydraulic oil cylinder, one end of the second driver is hinged with the telescopic beam, and the other end of the second driver is hinged with the outer sleeve of the supporting leg.

6. The main frame with gantry legs of claim 5, wherein: the side, far away from the gantry base, of the telescopic beam is provided with a connecting base, the supporting leg outer sleeve and the second driver are respectively hinged with the connecting base, the hinged point of the supporting leg outer sleeve and the connecting base does not coincide with the hinged point of the second driver and the connecting base, and the relative rotation axis of the second driver and the supporting leg outer sleeve and the relative rotation axis of the second driver and the connecting base are parallel to the relative rotation axis of the supporting leg outer sleeve and the connecting base.

7. A main frame with gantry legs according to claim 6, characterized in that: the outer wall of the supporting leg outer sleeve is provided with a connecting plate, the second driver is hinged to the connecting plate, and the connecting plate is arranged on one side, close to the gantry base, of the supporting leg outer sleeve.

8. The main frame with gantry legs of claim 1, wherein: the third driver is a hydraulic oil cylinder and is positioned in the supporting leg inner sleeve.

9. The main frame with gantry legs of claim 8, wherein: one end of the third driver is hinged with the outer sleeve of the supporting leg, and the other end of the third driver is hinged with the inner sleeve of the supporting leg.

10. A main frame with a gantry leg according to any of claims 1-9, characterized in that: the supporting leg inner sleeve is provided with a supporting plate at one end far away from the supporting leg outer sleeve, and the radial sectional area of the supporting plate is larger than that of the supporting leg inner sleeve.

Background

At present, in the roadway tunneling construction process in China, a suspended rail type jumbolter begins to appear, a lifting door type supporting mechanism is arranged on a main frame of the monorail crane type equipment and used for stably supporting the main frame, but the lifting door type supporting mechanism adopts the structure that a swinging supporting leg is hinged with the main frame, a bearing supporting leg is hinged with the other end iron of the swinging supporting leg, and the supporting leg is adjusted to the angle of the bearing supporting leg through a supporting leg overturning oil cylinder so as to meet the supporting or contracting requirement; because the swing supporting legs are longer, when the supporting force is larger or the weight of the working platform is heavier, the phenomenon of unstable support is easy to occur, and the safety and reliability of the whole machine are affected.

Therefore, how to change the current situation that the support of the suspension rail type jumbolter support leg is unstable in the prior art becomes a problem to be solved urgently by the technical personnel in the field.

Disclosure of Invention

The invention aims to provide a main frame with gantry support legs, which is used for solving the problems in the prior art and improving the support stability of the support legs of a suspension rail type jumbolter.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a main frame with gantry supporting legs, which comprises:

a frame slidably connected to the track;

the gantry base is connected with the frame body, and is positioned in front of the frame body along the advancing direction of the frame body; the gantry base is connected with a telescopic beam, the telescopic beam can be connected with the gantry base in a sliding manner, and the sliding direction of the telescopic beam relative to the gantry base is perpendicular to the advancing direction of the frame body; the telescopic beam is connected with a first driver, and the first driver can drive the telescopic beam to reciprocate;

the end, far away from the gantry base, of the telescopic beam is connected with a supporting leg assembly, the supporting leg assembly comprises a supporting leg inner sleeve and a supporting leg outer sleeve, the supporting leg outer sleeve is slidably sleeved outside the supporting leg inner sleeve, and one end, far away from the supporting leg inner sleeve, of the supporting leg outer sleeve is hinged with the telescopic beam; the support leg outer sleeve is connected with a second driver, the second driver can drive the support leg outer sleeve to rotate relative to the telescopic beam, the support leg inner sleeve is connected with a third driver, and the third driver can drive the support leg inner sleeve to reciprocate relative to the support leg outer sleeve;

the number of the telescopic beams and the number of the supporting leg assemblies are two, the telescopic beams and the supporting leg assemblies are in one-to-one correspondence, and the two groups of the telescopic beams and the supporting leg assemblies are respectively arranged on two sides of the gantry base body.

Preferably, the radial cross sections of the telescopic beam, the outer landing leg sleeve and the inner landing leg sleeve are all polygonal.

Preferably, the first drivers are hydraulic oil cylinders, the number of the first drivers is consistent with that of the telescopic beams and corresponds to that of the telescopic beams one by one, one end of each first driver is connected with the gantry base, and the other end of each first driver is connected with the telescopic beams.

Preferably, one end of the first driver is hinged to the gantry base, the other end of the first driver is hinged to the telescopic beam, the relative rotation axis of the first driver and the gantry base and the relative rotation axis of the first driver and the telescopic beam are perpendicular to the top surface of the gantry base, and the first driver is located in the gantry base.

Preferably, the second driver is a hydraulic oil cylinder, one end of the second driver is hinged with the telescopic beam, and the other end of the second driver is hinged with the outer sleeve of the supporting leg.

Preferably, a connecting seat is arranged on one side of the telescopic beam far away from the gantry seat body, the leg outer sleeve and the second driver are respectively hinged with the connecting seat, the hinged point of the leg outer sleeve and the connecting seat is not overlapped with the hinged point of the second driver and the connecting seat, and the relative rotation axis of the second driver and the leg outer sleeve and the relative rotation axis of the second driver and the connecting seat are parallel to the relative rotation axis of the leg outer sleeve and the connecting seat.

Preferably, the outer wall of the landing leg outer sleeve is provided with a connecting plate, the second driver is hinged to the connecting plate, and the connecting plate is arranged on one side, close to the gantry base, of the landing leg outer sleeve.

Preferably, the third actuator is a hydraulic cylinder, and the third actuator is located in the leg inner sleeve.

Preferably, one end of the third driver is hinged to the outer sleeve of the support leg, and the other end of the third driver is hinged to the inner sleeve of the support leg.

Preferably, one end of the support leg inner sleeve, which is far away from the support leg outer sleeve, is provided with a support plate, and the radial sectional area of the support plate is larger than that of the support leg inner sleeve.

Compared with the prior art, the invention has the following technical effects: the main frame with the gantry supporting legs comprises a frame body and a gantry base body, wherein the frame body can be connected with a track in a sliding manner; the gantry base is connected with the frame body, and is positioned in front of the frame body along the advancing direction of the frame body; the gantry base is connected with a telescopic beam, the telescopic beam can be connected with the gantry base in a sliding manner, and the sliding direction of the telescopic beam relative to the gantry base is perpendicular to the advancing direction of the frame body; the telescopic beam is connected with a first driver, and the first driver can drive the telescopic beam to reciprocate; the end of the telescopic beam far away from the gantry base body is connected with a supporting leg assembly, the supporting leg assembly comprises a supporting leg inner sleeve and a supporting leg outer sleeve, the supporting leg outer sleeve can be slidably sleeved outside the supporting leg inner sleeve, and the end of the supporting leg outer sleeve far away from the supporting leg inner sleeve is hinged with the telescopic beam; the outer support leg sleeve is connected with a second driver, the second driver can drive the outer support leg sleeve to rotate relative to the telescopic beam, the inner support leg sleeve is connected with a third driver, and the third driver can drive the inner support leg sleeve to reciprocate relative to the outer support leg sleeve; the number of the telescopic beams and the number of the supporting leg assemblies are two, the telescopic beams and the supporting leg assemblies are in one-to-one correspondence, and the two groups of the telescopic beams and the supporting leg assemblies are respectively arranged on two sides of the gantry base body.

According to the main frame with the gantry support legs, the gantry base body is arranged on the frame body, the telescopic beams are arranged on two sides of the gantry base body, when the main frame works, the first driver works, the telescopic beams can be unfolded towards two sides of the gantry base body, one end, far away from the gantry base body, of the telescopic beams is connected with the support leg assembly, the second driver drives the support leg assembly to rotate towards the bottom of a roadway, meanwhile, the third driver drives the support leg inner sleeve to extend out of the support leg outer sleeve, and the support leg inner sleeve is abutted against the bottom of the roadway; when the main frame needs to move, the third driver drives the supporting leg inner sleeve to retract into the supporting leg outer sleeve, meanwhile, the second driver drives the supporting leg assembly to rotate, so that the supporting leg assembly is in a state of being close to parallel to the frame body, in addition, the first driver drives the telescopic beam to retract, the size of the main frame is reduced as much as possible, and the influence of the gantry base body and other components on the advancing of the main frame is avoided as much as possible.

Drawings

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

Fig. 1 is a front view of a main frame with a gantry leg according to the present invention;

FIG. 2 is a side view of the main frame with gantry legs of the present invention;

FIG. 3 is a schematic structural diagram of a main frame with gantry legs of the present invention in a non-operating state;

FIG. 4 is a schematic top view of the main frame with gantry legs of the present invention in a non-operational state;

FIG. 5 is a partial schematic structural view of the main frame with gantry legs of the present invention;

FIG. 6 is a sectional view taken along A-A in FIG. 5;

fig. 7 is a sectional view along the direction B-B in fig. 5.

Wherein, 1 is the support body, 2 is the longmen pedestal, 3 is flexible roof beam, 301 is the connecting seat, 4 is first driver, 5 is the landing leg subassembly, 6 is the landing leg endotheca, 7 is the landing leg overcoat, 701 is the connecting plate, 8 is the second driver, 9 is the third driver.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The invention aims to provide a main frame with gantry support legs, which is used for solving the problems in the prior art and improving the support stability of the support legs of a suspension rail type jumbolter.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1 to 7, fig. 1 is a schematic front view, fig. 2 is a schematic side view, fig. 3 is a schematic front view, fig. 4 is a schematic top view, fig. 5 is a schematic partial structure, fig. 6 is a schematic sectional view taken along a direction a-a in fig. 5, and fig. 7 is a schematic sectional view taken along a direction B-B in fig. 5.

The invention provides a main frame with gantry supporting legs, which comprises:

the frame body 1 is connected with the track in a sliding way;

the gantry base body 2 is connected with the frame body 1, and the gantry base body 2 is positioned in front of the frame body 1 along the advancing direction of the frame body 1; the gantry base body 2 is connected with a telescopic beam 3, the telescopic beam 3 can be connected with the gantry base body 2 in a sliding way, and the sliding direction of the telescopic beam 3 relative to the gantry base body 2 is vertical to the advancing direction of the frame body 1; the telescopic beam 3 is connected with a first driver 4, and the first driver 4 can drive the telescopic beam 3 to reciprocate;

one end of the telescopic beam 3, which is far away from the gantry base body 2, is connected with a supporting leg assembly 5, the supporting leg assembly 5 comprises a supporting leg inner sleeve 6 and a supporting leg outer sleeve 7, the supporting leg outer sleeve 7 can be slidably sleeved outside the supporting leg inner sleeve 6, and one end of the supporting leg outer sleeve 7, which is far away from the supporting leg inner sleeve 6, is hinged with the telescopic beam 3; the supporting leg outer sleeve 7 is connected with a second driver 8, the second driver 8 can drive the supporting leg outer sleeve 7 to rotate relative to the telescopic beam 3, the supporting leg inner sleeve 6 is connected with a third driver 9, and the third driver 9 can drive the supporting leg inner sleeve 6 to reciprocate relative to the supporting leg outer sleeve 7;

the number of the telescopic beams 3 and the number of the landing leg assemblies 5 are two, the telescopic beams 3 and the landing leg assemblies 5 correspond to each other one by one, and the two groups of the telescopic beams 3 and the landing leg assemblies 5 are respectively arranged on two sides of the gantry base body 2.

According to the main frame with the gantry support legs, the gantry base body 2 is arranged on the frame body 1, the telescopic beams 3 are arranged on two sides of the gantry base body 2, when the main frame works, the first driver 4 works, the telescopic beams 3 can be unfolded towards two sides of the gantry base body 2, one end, far away from the gantry base body 2, of each telescopic beam 3 is connected with the corresponding support leg assembly 5, the second driver 8 drives the corresponding support leg assembly 5 to rotate towards the bottom of a roadway, meanwhile, the third driver 9 drives the corresponding support leg inner sleeve 6 to extend out of the corresponding support leg outer sleeve 7, and the corresponding support leg inner sleeve 6 is abutted to the bottom of the roadway; when the main frame needs to move, the third driver 9 drives the supporting leg inner sleeve 6 to retract into the supporting leg outer sleeve 7, meanwhile, the second driver 8 drives the supporting leg assembly 5 to rotate, so that the supporting leg assembly is in a state of being parallel to the frame body 1, in addition, the first driver 4 drives the telescopic beam 3 to retract, the size of the main frame is reduced as much as possible, and the influence of the gantry base body 2 and other components on the advancing of the main frame is avoided as much as possible.

The radial sections of the telescopic beam 3, the supporting leg outer sleeve 7 and the supporting leg inner sleeve 6 are all polygonal, and the prismatic or side-elevation-shaped structure can prevent the telescopic beam 3 and the gantry base body 2 and the supporting leg outer sleeve 7 and the supporting leg inner sleeve 6 from rotating relatively in the relative sliding process, so that the reciprocating sliding accuracy is improved, and the working reliability of the device is ensured.

Specifically, first driver 4 is hydraulic cylinder, and the quantity of first driver 4 is unanimous and the one-to-one with the quantity of flexible roof beam 3, and the one end of first driver 4 links to each other with longmen pedestal 2, and the other end of first driver 4 links to each other with flexible roof beam 3, and first driver 4 can drive the reciprocating motion of flexible roof beam 3, adjusts the extension length of flexible roof beam 3, and when the main frame gos forward, flexible roof beam 3 all retracts in longmen pedestal 2.

In other specific embodiments of the present invention, one end of the first driver 4 is hinged to the gantry base 2, the other end of the first driver 4 is hinged to the telescopic beam 3, the relative rotation axis between the first driver 4 and the gantry base 2 and the relative rotation axis between the first driver 4 and the telescopic beam 3 are both perpendicular to the top surface of the gantry base 2, and both ends of the first driver 4 are hinged to the gantry base 2 and the telescopic beam 3, so that the assembly difficulty of the telescopic beam 3 and the gantry base 2 is reduced, and the telescopic beam 3 can smoothly slide relative to the gantry base 2.

Correspondingly, the second driver 8 is a hydraulic oil cylinder, one end of the second driver 8 is hinged to the telescopic beam 3, the other end of the second driver 8 is hinged to the supporting leg outer sleeve 7, and the second driver 8 can drive the supporting leg outer sleeve 7 to rotate, so that the angle between the supporting leg assembly 5 and the gantry base body 2 is adjusted, and different supporting requirements in the construction process are met.

More specifically, one side of the telescopic beam 3, which is far away from the gantry body 2, is provided with a connecting seat 301, the leg jacket 7 and the second driver 8 are respectively hinged to the connecting seat 301, a hinge point of the leg jacket 7 and the connecting seat 301 does not coincide with a hinge point of the second driver 8 and the connecting seat 301, and a relative rotation axis of the second driver 8 and the leg jacket 7 and a relative rotation axis of the second driver 8 and the connecting seat 301 are both parallel to a relative rotation axis of the leg jacket 7 and the connecting seat 301. Set up connecting seat 301, make things convenient for landing leg overcoat 7 and second driver 8 to articulate with flexible roof beam 3 respectively and link to each other, and the two is not coincident with the pin joint of flexible roof beam 3, when landing leg assembly 5 was in the shrink state of not working, landing leg assembly 5 "lifted up", second driver 8 is located landing leg assembly 5's bottom, conveniently adjusts landing leg assembly 5 and is located the state that nearly parallels with longmen pedestal 2, reduces main frame occupation space as far as possible, makes things convenient for device moving as a whole.

Similarly, the outer wall of the leg outer casing 7 is provided with a connecting plate 701, the second driver 8 is hinged to the connecting plate 701, the connecting plate 701 is arranged on one side of the leg outer casing 7 close to the gantry base body 2, and the connecting plate 701 is arranged to facilitate the hinge connection of the leg outer casing 7 and the second driver 8, so that a convenient condition is provided for the installation of the second driver 8.

Furthermore, the third driver 9 is a hydraulic oil cylinder, the third driver 9 drives the supporting leg inner sleeve 6 to reciprocate, the extension length of the supporting leg inner sleeve 6 is adjusted, and therefore the purpose of adjusting the length of the supporting leg assembly 5 is achieved, the third driver 9 is located in the supporting leg inner sleeve 6, the structure is compact, and the third driver 9 can be protected.

In this embodiment, one end of the third driver 9 is hinged to the outer leg sleeve 7, and the other end of the third driver 9 is hinged to the inner leg sleeve 6, so that the difficulty in assembling the outer leg sleeve 7 and the inner leg sleeve 6 is reduced, the third driver 9 can smoothly drive the inner leg sleeve 6 to reciprocate, and the labor burden of an operator is reduced.

Furthermore, one end of the supporting leg inner sleeve 6, which is far away from the supporting leg outer sleeve 7, is provided with a supporting plate, the radial sectional area of the supporting plate is larger than that of the supporting leg inner sleeve 6, when the supporting leg assembly 5 works, the supporting plate can be abutted against a roadway, the sectional area of the supporting plate is larger, and the supporting stability of the supporting leg assembly 5 is improved. The supporting plate seals the inner sleeves 6 of the supporting legs, so that external impurities can be prevented from entering the inner sleeves 6 of the supporting legs, and the third driver 9 is protected.

According to the main frame with the gantry support legs, the gantry base body 2 is arranged on the frame body 1, the telescopic beams 3 are arranged on two sides of the gantry base body 2, when the main frame works, the first driver 4 works, the telescopic beams 3 can be unfolded towards two sides of the gantry base body 2, one end, far away from the gantry base body 2, of each telescopic beam 3 is connected with the support leg assembly 5, the second driver 8 drives the support leg assembly 5 to rotate towards the bottom of a roadway, meanwhile, the third driver 9 drives the support leg inner sleeves 6 to extend out of the support leg outer sleeves 7, and the support leg inner sleeves 6 are abutted to the bottom of the roadway. In addition, the telescopic beam 3, the outer supporting leg sleeve 7 and the inner supporting leg sleeve 6 are all in a prismatic structure or are provided with planar side elevation surfaces, so that the problem of rotation dislocation in the reciprocating sliding process is avoided, and the working stability of the device is further improved.

In addition, the main frame with the gantry supporting legs can be applied to a single-track hydraulic anchor rod drill carriage, the stability of the single-track hydraulic anchor rod drill carriage during working is improved, in addition, when the single-track hydraulic anchor rod drill carriage is in a non-working state, the main frame with the gantry supporting legs is folded, the gantry supporting legs are staggered and superposed with the main frame in the height direction, the height of the whole machine is greatly compressed, a height space is reserved, the advancing and the construction of roadway tunneling equipment are facilitated, the single-track hydraulic anchor rod drill carriage and the roadway tunneling equipment are changed from traditional ground vehicle staggering to air vehicle staggering, and the cost caused by vehicle staggering of ground equipment is saved.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.