CN220167935U - Bracket assembly - Google Patents

Abstract

The utility model discloses a bracket assembly, which relates to the technical field of shield machines and comprises a support frame, a plurality of lifting cylinders and a plurality of traveling devices, wherein the lifting cylinders are arranged on the left side and the right side of the support frame so as to drive the support frame to ascend or descend, so that a track is conveniently paved below the support frame or the trend of the track is changed. The running gear is connected with the support frame in a rotating way through the rotating shaft, so that the relative angle between the running gear and the support frame can be adjusted, and the roller set and the track of the running gear are matched conveniently. By adopting the scheme, the angle of the traveling device can be adjusted, so that the support frame can be turned to adapt to different working conditions, and the support frame can be conveniently moved to a construction station. By adopting the design of the track, the movement precision of the support frame can be improved, and the deviation between the moving route and the preset route is avoided, so that the safety risk is increased. Therefore, the transportation efficiency is high, the transportation flow is simplified, the tunnel excavation efficiency is improved, the construction period can be shortened, and the cost can be reduced.

Description

Bracket assembly

Technical Field

The utility model relates to the technical field of shield machines, in particular to a bracket assembly.

Background

The shield machines typically require brackets to support and secure the shield machine during start-up or reception. For example, when the shield machine starts, the shield machine can enter a tunnel working area along the guide rail on the bracket; when receiving, the shield machine moves from the tunnel outlet to the guide rail of the bracket. In the related art, after the shield machine finishes the excavation of one section of tunnel, when the shield machine needs to be moved to the excavation of another section of tunnel, the bracket is usually disassembled and then is carried to the next construction station for assembly, and then the shield machine is hoisted to the bracket. By adopting the mode, the efficiency of tunnel excavation is low, the construction period is long and the cost is high.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the bracket assembly provided by the utility model can drive the shield machine to move to the next construction station in an integral moving way, so that the transportation flow is simplified, the tunnel excavation efficiency is improved, the construction period is shortened and the cost is reduced.

A bracket assembly according to an embodiment of the present utility model includes:

a support frame;

the lifting cylinders are arranged on the left side and the right side of the support frame and are used for driving the support frame to ascend or descend;

the multiple traveling devices comprise rotating shafts, connecting frames and roller groups, the roller groups are rotationally connected to the connecting frames, the connecting frames are fixedly connected with the rotating shafts which are arranged along the upper and lower directions, the rotating shafts of the multiple traveling devices are rotationally connected to the supporting frames, and therefore angles between the traveling devices and the supporting frames can be adjusted.

The bracket assembly provided by the embodiment of the utility model has at least the following beneficial effects:

the lifting cylinders are arranged on the left side and the right side of the supporting frame, so that the supporting frame can be driven to ascend or descend, and the track is paved below the supporting frame or the trend of the track is changed conveniently. The running gear is connected with the support frame in a rotating way through the rotating shaft, so that the relative angle between the running gear and the support frame can be adjusted, and the roller set and the track of the running gear are matched conveniently. For example, after the shield tunneling machine main body is received, the lifting oil cylinder drives the supporting frame to ascend, a track is paved below the supporting frame or the trend of the track is adjusted, so that the track extends to the next construction station, and then the relative angle between the travelling device and the supporting frame is adjusted; then the lifting oil cylinder contracts, the supporting frame descends, the roller group is matched with the track in a rolling way, and then the supporting frame is pushed to move, so that the supporting frame and the shield tunneling machine main body move to the next construction station together. By adopting the scheme, the angle of the traveling device can be adjusted, so that the support frame can be turned to adapt to different working conditions, and the support frame can be conveniently moved to a construction station. By adopting the design of the track, the movement precision of the support frame can be improved, the abrasion is reduced, and the deviation between the moving route and the preset route is avoided, so that the safety risk is increased. Therefore, the transportation efficiency is high, the transportation flow is simplified, the tunnel excavation efficiency is improved, the construction period can be shortened, and the cost can be reduced.

According to some embodiments of the utility model, the bracket assembly further comprises a plurality of supporting devices arranged at the left side and the right side of the supporting frame, and the upper ends of the supporting devices protrude out of the supporting frame.

According to some embodiments of the utility model, the plurality of walking devices are respectively arranged at the left side and the right side of the supporting frame, and one walking device is arranged between two adjacent supporting devices.

According to some embodiments of the utility model, the supporting device comprises a first connecting plate and two second connecting plates, the two second connecting plates are arranged at intervals, the first connecting plate is connected between the two second connecting plates, and the lifting cylinder is connected to the lower end face of the first connecting plate.

According to some embodiments of the utility model, the two second connection plates are arranged at intervals along the front-back direction, so that a window is formed on one side of the supporting device, which is away from the supporting frame, and the lifting cylinder is exposed out of the window.

According to some embodiments of the utility model, each of the running apparatuses includes a plurality of roller groups disposed at intervals along a left-right direction, the roller groups include a plurality of rollers disposed at intervals along an extending direction of the rail.

According to some embodiments of the utility model, the connecting frame comprises a protective top plate and a plurality of protective side plates, the protective side plates are connected to the periphery of the protective top plate, an inner cavity and an opening are formed between the protective top plate and the protective side plates, the opening is communicated with the inner cavity and is arranged downwards, the roller group is positioned in the inner cavity, and part of the structure of the roller group protrudes out of the opening.

According to some embodiments of the utility model, the bracket assembly further comprises a supporting plate and a mounting seat which are connected, wherein the output end of the lifting oil cylinder is provided with a spherical joint, and the spherical joint is rotatably connected with the mounting seat.

According to some embodiments of the utility model, the bracket assembly further comprises a pushing cylinder connected to the front end or the rear end of the support frame, and the pushing cylinder is used for pushing the support frame to move.

According to some embodiments of the utility model, the support frame comprises a chassis and two supporting parts, wherein the two supporting parts are arranged on the upper end face of the chassis at intervals along the left-right direction, the upper end of each supporting part is provided with an inclined surface which is obliquely arranged towards the other supporting part, and the two inclined surfaces are respectively provided with a guide rail which extends along the front-back direction.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of the structure of a bracket assembly according to one embodiment of the present utility model;

FIG. 2 is a schematic view of the carriage assembly of FIG. 1 after the running gear has been rotated to another position;

FIG. 3 is a schematic view of a walking device according to an embodiment of the present utility model;

FIG. 4 is another schematic view of the walking device of FIG. 3;

FIG. 5 is a schematic view of the structure of the connection of the support device and lift cylinder according to one embodiment of the present utility model;

FIG. 6 is an exploded view of the lift cylinder and mount of FIG. 5;

fig. 7 is a schematic structural view of another view of the bracket assembly of fig. 1.

Reference numerals:

a bracket assembly 1000;

a support 100; a chassis 110; a support 120; a slope 121; a guide rail 122;

a lift cylinder 200; a ball joint 210; a mounting base 220; a support plate 230;

a walking device 300; a rotation shaft 310; a connection frame 320; a protective top plate 321; a protective side plate 322; an inner cavity 323; an opening 324; a roller set 330; a roller 331;

a support device 400; a first connection plate 410; a second connection plate 420; window 430.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to FIG. 1, a carriage assembly 1000 of one embodiment of the present utility model may be used to receive or originate a shield machine. According to the bracket assembly 1000 provided by the embodiment of the utility model, the shield machine can be driven to move to the next construction station in an integral movement mode, the bracket assembly 1000 does not need to be disassembled, the transportation flow is simplified, the tunnel excavation efficiency is improved, the construction period is shortened, and the cost is reduced.

Referring to fig. 1 and 2, in the embodiment of the present utility model, the bracket assembly 1000 includes a supporting frame 100, a lift cylinder 200, and a traveling device 300, and the supporting frame 100 includes a plurality of H-section steels which are respectively arranged in a lateral direction and a longitudinal direction and are connected to each other to improve the overall strength of the supporting frame 100. The plurality of lift cylinders 200 are provided, and the plurality of lift cylinders 200 are disposed at both left and right sides of the support frame 100, so that the support frame 100 can be driven to ascend or descend, thereby facilitating the laying of the track or the change of the track direction under the support frame 100. For example, eight lift cylinders 200 are provided, and four lift cylinders 200 are provided at intervals on the left and right sides of the support frame 100.

Referring to fig. 2, a plurality of running apparatuses 300 are provided, and the running apparatuses 300 may be respectively disposed at left and right sides of the support frame 100, and the running apparatuses 300 are used for supporting and driving the support frame 100 to move. For example, four running apparatuses 300 are provided, and two running apparatuses 300 are provided at intervals on the left and right sides of the support frame 100. Alternatively, in another embodiment, the plurality of running apparatuses 300 may be arranged in the following manner: part of the running gear 300 is disposed in the middle of the support frame 100, and the other part of the running gear 300 is disposed at the left and right sides of the support frame 100. Alternatively, all the running apparatuses 300 may be disposed in the middle of the support frame 100. In particular, a suitable arrangement mode is selected according to practical situations, and for convenience of description, all the following embodiments of the present utility model are explained by arranging a plurality of running apparatuses 300 on the left and right sides of the support frame 100.

Referring to fig. 3 and 4, the running gear 300 includes a rotating shaft 310, a connecting frame 320 and a roller set 330, the roller set 330 is rotatably connected to the connecting frame 320, the connecting frame 320 is fixedly connected to the rotating shaft 310, the rotating shaft 310 extends in the up-down direction, and the rotating shaft 310 is rotatably connected to the supporting frame 100, so that an angle between the running gear 300 and the supporting frame 100 can be adjusted, that is, the running gear 300 can rotate in the horizontal direction. For example, from the state shown in fig. 1 to the state shown in fig. 2, i.e. the running gear 300 is rotated by 90 °. Of course, other angles may be adjusted, for example 45 °, 60 °, etc. The angle can be adjusted by pushing the running gear 300 to rotate by the oil cylinder, or by a cylinder, a jack and the like. After the angle adjustment of the walking device 300 is completed, the roller set 330 is engaged with the track disposed under the support 100 in a rolling manner. It should be noted that, after the angle adjustment of the running gear 300 is completed, the running gear 300 may be limited to rotate by welding a clamping plate, and then cutting off when the angle adjustment is needed.

It can be understood that after the shield tunneling machine main body is received, the lifting cylinder 200 drives the support frame 100 to ascend, a track is laid under the support frame 100 or the trend of the track is adjusted, so that the track extends to the next construction station, and then the relative angle between the traveling device 300 and the support frame 100 is adjusted; then the lifting oil cylinder 200 is contracted, the supporting frame 100 is lowered, the roller group 330 is matched with the track in a rolling way, and then the supporting frame 100 is pushed to move, so that the supporting frame 100 and the shield tunneling machine main body move together to the next construction station. By adopting the scheme, the angle of the walking device 300 can be adjusted, so that the support frame 100 can be turned to adapt to different working conditions, and the support frame 100 can be conveniently moved to a construction station. By adopting the track design, the movement precision of the support frame 100 can be improved, abrasion is reduced, deviation between a moving route and a preset route is avoided, and the safety risk is increased. Therefore, the carrier assembly has high transportation efficiency, can simplify the transportation process, improve the tunnel excavation efficiency, shorten the construction period and reduce the cost.

Referring to fig. 3 and 4, in the embodiment of the present utility model, the running gear 300 includes a plurality of roller groups 330 spaced apart in the left-right direction, for example, the running gear 300 shown in fig. 4 includes two roller groups 330. When the plurality of roller groups 330 are provided, the stability of the movement of the traveling device 300 can be improved, so that the safety of the shield machine during the transfer can be improved. The roller set 330 includes a plurality of rollers 331, for example, three rollers 331, and the three rollers 331 are disposed at intervals along the extending direction of the track. The plurality of rollers 331 are arranged, so that the stability and the safety of the movement of the traveling device 300 can be further improved, and the shaking and tipping risk of the shield machine is reduced.

With continued reference to fig. 3 and 4, in the embodiment of the present utility model, the connecting frame 320 includes a protective top plate 321 and a plurality of protective side plates 322, and the plurality of protective side plates 322 are connected to the peripheral edge of the protective top plate 321 and extend downward, so that the connecting frame 320 has a square shell structure. An inner cavity 323 and an opening 324 are formed between the protective top plate 321 and the protective side plates 322, and the opening 324 is communicated with the inner cavity 323 and is arranged downwards. The roller set 330 is disposed in the inner cavity 323, and a portion of the roller set 330 protrudes out of the opening 324. For example, two roller groups 330 of each running gear 300 are provided, each roller group 330 includes three rollers 331, that is, there are six rollers 331 in total, the inner cavity 323 is divided into six chambers by a baffle, the six rollers 331 are correspondingly disposed in the six chambers, and part of the structure protrudes out of the opening 324, so as to be convenient for rolling fit with the track. It can be appreciated that the working environment of the bracket assembly 1000 is more sediment, broken stone, cement slurry and the like, so that the roller 331 is protected by arranging the protection top plate 321 and the protection side plate 322 in order to reduce the sediment, broken stone, cement slurry and the like, the situation that the roller 331 is blocked and cannot rotate is effectively reduced, and the reliability of the running device 300 is improved.

Referring to fig. 1 and 2, in the embodiment of the present utility model, the bracket assembly 1000 further includes a plurality of supporting devices 400 provided at both left and right sides of the supporting frame 100. For example, the number of the supporting devices 400 is eight, and four supporting frames 100 are provided at intervals on the left and right sides. The upper end of the supporting device 400 protrudes out of the supporting frame 100, and the upper end of the supporting device 400 is arc-shaped, so that the supporting device is matched with the shell of the shield machine to support the shield machine. It can be appreciated that the supporting devices 400 are arranged at the left side and the right side of the supporting frame 100, the upper ends of the supporting devices are protruded out of the supporting frame 100, and when the shield tunneling machine is arranged on the supporting frame 100, the supporting devices 400 are abutted against the shell of the shield tunneling machine, so that the position of the shield tunneling machine is better limited, the shield tunneling machine is prevented from deflecting, tipping and the like, and the safety of launching or receiving the shield tunneling machine is improved.

With continued reference to fig. 1 and 2, in an embodiment of the present utility model, a walking device 300 is disposed between two adjacent support devices 400. It will be appreciated that, since the running gear 300 needs to adjust the relative angle between the running gear 300 and the support frame 100, in order to facilitate observation of whether the angle of the running gear 300 is rotated in place, the running gear 300 is disposed on the left side or the right side of the support frame 100, so that it is convenient for an operator to determine whether the running gear 300 needs to be rotated to a proper position. Because the running gear 300 needs to rotate to adjust the angle, the angle adjusting device is arranged between two adjacent supporting devices 400, and when the lifting oil cylinder 200 is arranged in the supporting devices 400, the running gear 300 can be conveniently lifted up together, so that the angle of the running gear 300 can be more conveniently adjusted.

Referring to fig. 5, in the embodiment of the present utility model, the supporting device 400 includes a first connecting plate 410 and two second connecting plates 420, where the two second connecting plates 420 are spaced apart and extend in a vertical direction, for example, spaced apart in a front-rear direction, or spaced apart in a left-right direction. The first connecting plate 410 is connected between two second connecting plates 420 and extends horizontally. And the lift cylinder 200 is connected to the lower end surface of the first connection plate 410. By adopting the scheme, the lifting oil cylinder 200 can be conveniently installed, and the installation efficiency is improved.

With continued reference to fig. 5, in the embodiment of the present utility model, two second connection plates 420 are spaced apart in the front-rear direction, so that a window 430 is formed on a side of the support device 400 facing away from the support frame 100, and the lift cylinder 200 is exposed in the window 430. It can be appreciated that the lift cylinder 200 is exposed at the window 430, so that the lift cylinder can be conveniently disassembled and assembled, and an operator can conveniently observe the working state of the lift cylinder 200; if the lifting oil cylinder 200 has faults such as cylinder explosion, the fault can be discovered at the first time, so that the operator can conveniently overhaul and replace the fault.

In an embodiment of the present utility model, the bracket assembly 1000 further includes a pushing cylinder connected to the front end or the rear end of the support frame 100 to push the support frame 100 to move along the rail. For example, a push cylinder is connected to the rear end of the support frame 100, and the output end of the push cylinder abuts against the ground. The pushing cylinder acts to push the support 100 to move slightly. It should be noted that, the lift cylinder 200 is in an idle state after the traveling device 300 finishes steering, so the lift cylinder 200 can be disassembled to serve as a pushing cylinder, thereby saving the cost.

Referring to fig. 6, in the embodiment of the present utility model, the bracket assembly 1000 further includes a support plate 230 and a mounting seat 220, the mounting seat 220 is connected to an upper end surface of the support plate 230, and a lower end surface of the support plate 230 may be abutted with the ground. The output end of the lift cylinder 200 is provided with a ball joint 210, and the ball joint 210 is rotatably connected with a mounting seat 220. By adopting the above scheme, when the lifting cylinder 200 lifts the supporting frame 100, the supporting plate 230 can adapt to the shape of the ground in a swinging manner, so that the supporting frame 100 is better supported, and the supporting stability is improved.

Referring to fig. 7, in the embodiment of the present utility model, the support 100 includes a chassis 110 and two supporting portions 120, the two supporting portions 120 are disposed at intervals on an upper end surface of the chassis 110 along a left-right direction, an inclined surface 121 disposed obliquely toward the other supporting portion 120 is disposed at an upper end of the supporting portion 120, guide rails 122 are disposed on both inclined surfaces 121, and the guide rails 122 extend along a front-rear direction. For example, each ramp 121 is provided with a rail 122 or a plurality of rails 122. By adopting the scheme, the gap between the two supporting parts 120 can avoid part of the structure of the shield machine, and the guide rail 122 is arranged on the inclined plane 121 and can be better matched with the guide of the shield machine, so that the shield machine is guided to smoothly and accurately move to the supporting frame 100.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. Bracket assembly, its characterized in that includes:

a support frame;

the lifting cylinders are arranged on the left side and the right side of the support frame and are used for driving the support frame to ascend or descend;

the multiple traveling devices comprise rotating shafts, connecting frames and roller groups, the roller groups are rotationally connected to the connecting frames, the roller groups can be matched with the rails in a rolling mode, the connecting frames are fixedly connected with the rotating shafts which are arranged in the vertical direction, the rotating shafts of the multiple traveling devices are rotationally connected to the supporting frames, and therefore angles between the traveling devices and the supporting frames can be adjusted.

2. The bracket assembly of claim 1, further comprising a plurality of support devices disposed on left and right sides of the support frame, wherein upper ends of the support devices protrude from the support frame.

3. The bracket assembly according to claim 2, wherein a plurality of the running gear are respectively arranged at the left side and the right side of the supporting frame, and one running gear is arranged between two adjacent supporting devices.

4. The bracket assembly of claim 2, wherein the supporting device comprises a first connecting plate and two second connecting plates, the two second connecting plates are arranged at intervals, the first connecting plate is connected between the two second connecting plates, and the lifting cylinder is connected to the lower end face of the first connecting plate.

5. The bracket assembly of claim 4, wherein two second connecting plates are arranged at intervals along the front-rear direction, so that a window is formed on one side of the supporting device, which is away from the supporting frame, and the lifting cylinder is exposed in the window.

6. The carriage assembly of claim 1 wherein each of said running units includes a plurality of roller sets spaced apart in a left-right direction, said roller sets including a plurality of rollers for rolling engagement with a track, a plurality of said rollers being spaced apart along an extension of said track.

7. The bracket assembly of claim 1, wherein the connecting frame comprises a protective top plate and a plurality of protective side plates, the protective side plates are connected to the peripheral edge of the protective top plate, an inner cavity and an opening are formed between the protective top plate and the protective side plates, the opening is communicated with the inner cavity and is arranged downwards, and the roller group is positioned in the inner cavity and a part of the structure of the roller group protrudes out of the opening.

8. The bracket assembly of claim 1, further comprising a support plate and a mounting base connected, wherein the output end of the lift cylinder is provided with a ball joint, and wherein the ball joint is rotatably connected to the mounting base.

9. The bracket assembly of claim 1, further comprising a push cylinder coupled to the front end or the rear end of the support frame, the push cylinder configured to push the support frame to move.

10. The bracket assembly according to claim 1, wherein the support frame comprises a chassis and two supporting portions, the two supporting portions are arranged on the upper end face of the chassis at intervals along the left-right direction, the upper end of each supporting portion is provided with an inclined surface inclined towards the other supporting portion, and the two inclined surfaces are both provided with guide rails extending along the front-rear direction.