CN114856607A - Tunnel working platform vehicle, using method thereof and tunnel maintenance train - Google Patents

Abstract

The invention provides a tunnel working platform vehicle, a using method thereof and a tunnel maintenance train, and relates to the technical field of tunnel construction equipment, wherein the tunnel working platform vehicle comprises a bearing mechanism, a foundation platform and a folding working platform; the basic platform comprising the body part and the supporting mechanism is arranged on the bearing mechanism, so that the main platform of the folding type working platform is rotationally connected with the body part, and the folding type working platform can rotate in the tunnel; the supporting mechanism can be supported on the ground after the bearing mechanism is parked, so that the load of the bearing mechanism is reduced; the folding platform mechanism is a multilayer working platform which is unfolded to meet the construction requirement after the main platform mechanism rotates to cross the tunnel. The tunnel working platform vehicle can travel on the track and can be quickly unfolded and recovered at a construction position, so that the complexity of building a simple working platform is avoided, the labor cost is reduced, and the traffic sealing time is shortened; the platform has a small section after being folded, meets railway transportation clearance, and meets the construction requirement of the full section of the tunnel after being unfolded.

Description

Tunnel working platform vehicle, using method thereof and tunnel maintenance train

Technical Field

The disclosure relates to the technical field of tunnel construction equipment, in particular to a tunnel working platform vehicle, a using method of the tunnel working platform vehicle and a tunnel maintenance train.

Background

With the rapid development of high-speed railways, the tunnels can be damaged to different degrees due to the long-term overhaul, and the damage is serious. The section of the high-speed rail double-line tunnel is larger, the time for opening a maintenance window is shorter, and large-scale mechanical equipment cannot adapt to field working conditions due to the problems of cable exposure in the tunnel, process interference and the like. In the prior art, a tunnel renovation generally adopts a detachable simple working platform, the tunnel is assembled after being blocked, and then the tunnel is moved to an operation point, and all facilities are detached before the tunnel is opened. The platform needs a large amount of labor and consumes a long time, and the simple working platform needs to be disassembled and assembled in each operation, so that the repeated labor is realized, and the traffic-enclosed precious time cannot be fully utilized.

Disclosure of Invention

In order to solve the technical problem, the disclosure provides a tunnel working platform vehicle, a using method thereof and a tunnel maintenance train.

The utility model provides a tunnel working platform vehicle, which comprises a bearing mechanism, a basic platform and a folding working platform;

the basic platform comprises a body part and a supporting mechanism, wherein the body part is connected to the bearing mechanism, the supporting mechanism is arranged on the body part, and the supporting mechanism is used for supporting the bearing mechanism on the ground when the bearing mechanism is parked;

the folding type working platform is arranged on one side, far away from the bearing mechanism, of the body part and comprises a main body platform mechanism and a folding platform mechanism, the main body platform mechanism is rotatably connected with the body part, and the folding platform mechanism is arranged on the main body platform mechanism.

Optionally, a tractor is further included, and the tractor is connected with the carrying mechanism.

Optionally, a first support member is arranged on the main body platform mechanism, and when the tunnel working platform vehicle is in a drivable state, the first support member is used for abutting against the bearing mechanism.

Optionally, a rotary supporting mechanism is arranged on the main body platform mechanism, and the rotary supporting mechanism is connected with the main body part.

Optionally, the rotary supporting mechanism and the first supporting member are both arranged on the surface of the main body platform mechanism facing the base platform; the rotary supporting mechanism and the first supporting piece are respectively arranged at the first end and the second end of the main body platform mechanism.

Optionally, the main body platform mechanism comprises a first platform, a second platform and a main support frame; the first platform is arranged on one side, close to the ground, of the main support frame, the second platform is arranged on one side, far away from the ground, of the main support frame, and a ladder stand is arranged between the first platform and the second platform; be provided with gyration supporting mechanism on the first platform, gyration supporting mechanism is used for rotating with the renovation platform truck and is connected.

Optionally, the folding platform mechanism includes a platform support, a third platform, a first auxiliary platform assembly and a second auxiliary platform assembly, and the platform support is connected between one side of the main platform mechanism away from the ground and the third platform; the first auxiliary platform assembly is arranged between the first platform and the second platform, and the second auxiliary platform is arranged on one side, far away from the ground, of the main supporting frame.

Optionally, a horizontal compensation mechanism is disposed between the base platform and the carrying mechanism.

The use method of the tunnel working platform vehicle comprises the following steps:

after the tunnel working platform vehicle reaches all designated construction positions, fixing the bearing mechanism on the track;

arranging a supporting mechanism to enable the supporting mechanism to be supported on the ground;

rotating the main body platform mechanism to enable the main body platform mechanism to cross the tunnel;

and unfolding the folding platform mechanism.

The utility model also provides a train is supported in tunnel maintenance, including foretell tunnel work platform car.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the tunnel working platform vehicle, the using method thereof and the tunnel maintenance train, the basic platform comprising the body part and the supporting mechanism is arranged on the bearing mechanism, so that the main body platform of the folding working platform is rotationally connected with the body part, and the folding working platform rotates in the tunnel; the supporting mechanism can be supported on the ground after the bearing mechanism is parked so as to reduce the load of the bearing mechanism; the folding platform mechanism of the folding working platform is a multilayer working platform which is unfolded to meet the construction requirements after the main platform mechanism rotates to cross the tunnel. The tunnel working platform vehicle is high in integration level and degree of mechanization, can travel on the rail, and can be quickly unfolded and recovered at a specified construction position, so that the trouble of temporarily building a simple working platform is avoided, the labor cost is reduced, and the traffic sealing time is shortened; the tunnel working platform vehicle has a small section after being folded, meets railway transportation clearance, and meets the full-section construction requirement of the tunnel after being unfolded.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of a tunnel maintenance train according to an embodiment of the present disclosure;

fig. 2 is a schematic view of a folding work platform according to an embodiment of the present disclosure;

FIG. 3 is a partially schematic illustration of a tunnel work platform cart according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a tunnel work platform cart within a tunnel according to an embodiment of the present disclosure;

fig. 5 is a schematic view of the collapsible working platform according to an embodiment of the present disclosure deployed within a tunnel;

FIG. 6 is a side view of the collapsible work platform of the disclosed embodiment deployed within a tunnel;

fig. 7 is a schematic view of a folding work platform according to an embodiment of the disclosure deployed on a sloped rail.

Wherein, 1, a bearing mechanism; 2. a base platform; 21. a body portion; 22. a support mechanism; 23. a horizontal compensation mechanism; 3. a folding work platform; 31. a main body platform mechanism; 311. a first platform; 312. a second platform; 313. a main supporting frame; 32. a folding platform mechanism; 321. a third platform; 322. a first auxiliary platform assembly; 323. a second auxiliary platform assembly; 33. a rotary support mechanism; 34. a lifting platform; 35. a protection mechanism; 4. a tractor; 5. a lorry-mounted crane; 6. a material vehicle.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

With reference to fig. 2 to 4, a tunnel working platform cart provided by the embodiment of the present disclosure includes a carrying mechanism 1, a base platform 2, and a folding working platform 3; the base platform 2 comprises a body part 21 and a supporting mechanism 22, wherein the body part 21 is connected to the carrying mechanism 1, the supporting mechanism 22 is arranged on the body part 21, and the supporting mechanism 22 is used for supporting on the ground when the carrying mechanism 1 is parked; the folding type working platform 3 is arranged on one side of the body part 21 far away from the bearing mechanism 1, the folding type working platform 3 comprises a main body platform mechanism 31 and a folding platform mechanism 32, the main body platform mechanism 31 is rotatably connected with the body part 21, and the folding platform mechanism 32 is arranged on the main body platform mechanism 31.

In the tunnel working platform vehicle, a basic platform 2 comprising a body part 21 and a supporting mechanism 22 is arranged on a bearing mechanism 1, so that a main platform of a folding type working platform 3 is connected with the body part 21 in a rotating way, and the folding type working platform 3 rotates in a tunnel; the supporting mechanism 22 can be supported on the ground after the bearing mechanism 1 is parked so as to reduce the load of the bearing mechanism 1; the folding platform mechanism 32 of the folding working platform 3 is unfolded to be a multilayer working platform meeting construction requirements after the main platform mechanism rotates to cross the tunnel.

Through adopting the tunnel work platform car that above-mentioned integrated level and degree of mechanization are high, can carry on foldable work platform 3 and walk on the track to expand fast and retrieve at appointed construction position, avoided building simple and easy work platform's loaded down with trivial details temporarily, reduced the human cost, reduced traffic confined time.

Optionally, the carrying mechanism 1 adopts a standard railway flat car, and can carry the foldable working platform 3 to travel on a railway track; optionally, the carrying mechanism 1 is a road trailer, and can carry the foldable working platform 3 to travel on the road.

In some embodiments, a foot is disposed on the support mechanism 22, and a universal joint is disposed between the support mechanism 22 and the foot. In particular, the universal joint is used to adjust the angle between the support mechanism 22 and the foot so that the foot can adapt to the slope of the construction site, ensuring a sufficient contact area with the ground. Preferably, the universal joint may adopt a multi-layer flat hinge structure.

In some embodiments, the support mechanism 22 includes a plurality of legs; preferably, each support leg can be mutually independent and can stretch out and draw back perpendicularly to the tunnel extending direction, and the length of each support leg is variable to the bottom surface under the different operating mode conditions of adaptation. Specifically, the foundation platform 2 can adapt to a working condition environment with a maximum longitudinal slope of 30 per thousand and a maximum height of 175 mm.

In some embodiments, the main body platform mechanism 31 is provided with a first support, and the first support is used for abutting against the bearing mechanism 1 when the tunnel working platform vehicle is in a driving state. Preferably, the main body platform means 31 and the support means 1 are secured by cables while the tunnel working platform vehicle is in a drivable condition. Preferably, the first supporting members are of a telescopic column structure, and a plurality of first supporting members are dispersedly arranged between the main body platform mechanism 31 and the bearing mechanism 1 to support the main body platform mechanism 31, so as to ensure the stability of the whole folding type working platform 3.

In some embodiments, a rotation support mechanism 33 is disposed on the main body platform mechanism 31, and the rotation support mechanism 33 is connected to the main body 21. Alternatively, the above-described slewing support mechanism 33 may employ a slewing support shaft; preferably, a rotating support shaft is fixedly provided on the body portion 21, and the main body platform mechanism 31 is rotatably engaged with the rotating support shaft.

In some embodiments, the swivel support mechanism 33 and the first support are both disposed on a face of the main body platform mechanism 31 facing the base platform 2; the rotation support mechanism 33 and the first support member are provided at the first end and the second end of the main body platform mechanism 31, respectively. Specifically, the rotary support mechanism 33 can be both rotationally engaged with the main body platform mechanism 31 and support the main body platform mechanism 31; therefore, the first end and the second end of the main platform mechanism 31 are respectively supported by the rotary supporting mechanism 33 and the first supporting member, so that the stability of the main platform mechanism 31 can be ensured, the first supporting member can be reduced, and the self weight of the folding type working platform 3 can be reduced.

In some embodiments, the second end of the main body platform mechanism 31 is provided with a second support for supporting on the ground when the folding work platform 3 is unfolded. Specifically, the folding work platform 3 covers the longitudinal width of the tunnel after being unfolded, one end of the folding work platform 3 is supported by the base platform 2, and the other end is supported by the second support member, so as to ensure the stability and strength of the folding work platform 3 after being unfolded.

As shown in connection with fig. 5-7, in some embodiments, the subject platform mechanism 31 includes a first platform 311, a second platform 312, and a main support frame 313; the first platform 311 is arranged on one side of the main support frame 313 close to the ground, the second platform 312 is arranged on one side of the main support frame 313 far away from the ground, and a ladder stand is arranged between the first platform 311 and the second platform 312; the first platform 311 is provided with a rotary supporting mechanism 33, and the rotary supporting mechanism 33 is used for being rotatably connected with the renovation trolley. Preferably, the edges of the first platform 311 and the second platform 312 are hinged with a first extension board and a second extension board respectively, and the first extension board and the second extension board are unfolded to increase the area of the first platform 311 and the second platform 312. Specifically, because the main platform mechanism is a fixed structure, personnel and tools can be accommodated between the first platform 311 and the second platform 312. In more detail, the folding work platform 3 also includes a collapsible ladder for connecting the third platform 32122 with the main platform mechanism 1 after the work platform is unfolded.

In some embodiments, the folding platform mechanism 32 includes a platform support member, a third platform 321, a first auxiliary platform assembly 322, and a second auxiliary platform assembly 323, the platform support member being connected between the side of the main platform mechanism away from the ground and the third platform 321; a first auxiliary platform assembly 322 is disposed between the first platform 311 and the second platform 312, and the second auxiliary platform is disposed on a side of the main support frame 313 away from the ground. In more detail, the folding work platform 3 further comprises a foldable ladder for connecting the third platform 321 with the main platform mechanism after the work platform is unfolded. Preferably, the third platform 321 comprises two third platform 321 plates and two main support frames 313, and the two third platform 321 plates are symmetrically arranged about the central axis in the length direction of the main support frames 313; the two ends of the platform support are hinged with the third platform 321 plate and the main support frame 313 respectively. Specifically, the third platform 321 plate and the platform support member can be turned to the side of the main platform mechanism, and the third platform 321 plate and the platform support member are suspended at two sides of the main platform mechanism during transportation. Preferably, the hinge joints between the platform supporting member and the third platform 321 plate and between the platform supporting member and the main supporting frame 313 are provided with locking mechanisms for fixing the hinge in the construction process and avoiding the instability of the third platform 321 in the construction process. Specifically, the second auxiliary platform assembly 323 includes a second auxiliary platform panel that is positioned at a smaller vertical distance from the second platform 312 than the third platform 321 is from the second platform 312 when the folding platform mechanism 32 is unfolded. Specifically, the first auxiliary platform assembly 322 and the second auxiliary platform assembly 323 can compensate for an excessive height difference between the first platform 311, the second platform 312 and the third platform 321, so that the platforms can be closer to the inner wall of the tunnel, thereby facilitating construction.

In some embodiments, a level compensation mechanism 23 is provided between the base platform 2 and the carrier 1. Specifically, the horizontal compensation mechanism 23 is used for keeping the foundation platform 2 horizontal when the rail at the parking position of the rehabilitation trolley inclines at a certain slope, so as to ensure that the working platform is at the horizontal position, and further avoid influencing the construction quality. Preferably, the horizontal compensation mechanism 23 includes a support and a pin connecting the body portion 21 and the support; one side of the support piece close to the body part 21 is provided with a first inclined surface and a second inclined surface which are symmetrical about the axis of the pin shaft; the side of the support remote from the body portion 21 is used for connection with a ride-on flat car. Alternatively, the level compensating mechanism 23 includes a plurality of hydraulic cylinders which are dispersedly provided between the body portion 21 and the dressing table, each of which is extendable and retractable by a different length to keep the body portion 21 level.

In some embodiments, the folding work platform 3 further comprises a lifting platform 34. Specifically, the lift platform 34 is disposed on one side of the deployed work platform, and is driven by a motor for transporting materials between the work platform and the ground.

In some embodiments, the collapsible working platform 3 further comprises a detachable ring ladder of a splice construction for being positioned around the deployed working platform coaxially with the tunnel. Specifically, after the work platform is fully deployed, the constructor can connect the annular ladder section by section along the periphery of the work platform, and the annular ladder can be used for conveying materials and materials required by construction.

In some embodiments, the folding work platform 3 further comprises a guard mechanism 35, and the guard mechanism 35 is configured to be disposed at the edge of each layer of the unfolded work platform to ensure the safety of the constructors. In more detail, the guard mechanism 35 can be detachably connected to the first platform 311, the second platform 312, the third platform 321, the first auxiliary platform board, and the second auxiliary platform board; specifically, the protection mechanism 35 may be a guardrail and a safety rope, one end of the safety rope is used for being sleeved on the guardrail, and the other end of the safety rope is used for being bound on the body of the constructor.

In some embodiments of the present disclosure, there is also provided a method for using the above tunnel working platform vehicle, including the following steps:

after the tunnel working platform vehicle reaches all designated construction positions, fixing the bearing mechanism 1 on the track;

arranging the supporting mechanism 22 to enable the supporting mechanism 22 to be supported on the ground;

rotating the main body platform mechanism 31 to enable the main body platform mechanism 31 to cross the tunnel;

unfolding the folding platform mechanism 32.

The method of use of the tunnel working platform vehicle described above is described below in connection with a specific embodiment, the deployment of the tunnel working platform vehicle comprising the steps of:

firstly, transporting a tunnel working platform vehicle to a specified construction position, removing a chain-hanging tractor 4, a material vehicle 6 and the like, installing iron shoes, and fixing a bearing mechanism 1 on a track; after leveling the foundation platform 2, supporting the supporting mechanism 22 on the ground; then, the main body platform mechanism 31 is rotated to enable the main body platform mechanism 31 to cross the tunnel, and then a second supporting piece is arranged, at this time, the first platform 311 and the second platform 312 can be put into construction and use; the third platform 321, the first auxiliary platform assembly 322 and the second auxiliary platform assembly 323 are unfolded, and the elevating platform 34 and the loop ladder are installed, and finally the guard mechanism 35 is installed.

The folding of the tunnel working platform vehicle comprises the following steps:

firstly, the protection mechanism 35 is folded, and the lifting platform 34 and the annular ladder are dismantled; then, the third platform 321, the first auxiliary platform assembly 322, and the second auxiliary platform assembly 323 are folded; after the second supporting piece is folded, the main body platform mechanism 31 is rotated, so that the lower surface of the main body platform mechanism 31 is opposite to the bearing mechanism 1, and the first supporting piece is supported; after the tractor 4 and the material trolley 6 are connected, the vehicle is driven away from the construction site.

As shown in fig. 1, in some embodiments of the present disclosure, there is also provided a tunnel maintenance train including the tunnel working platform car described above. In particular, a tractor 4 is also included, and the tractor 4 is connected with the carrying mechanism 1. Preferably, a lorry-mounted crane 5 and a material trolley 6 are also included. In more detail, the tractor 4 is used for providing power traction, and the tractor 4 is sequentially connected with the bearing mechanism 1 for transporting the folding type working platform 3 and the bearing mechanism 1 for transporting materials and the lorry-mounted crane 5; alternatively, the order of the above-mentioned carrying mechanisms 1 can be adjusted as required. The tunnel maintenance train can be a railway train or a highway train, and can be used for tunnel maintenance and can also be used for building or maintaining structures such as bridges, steel frames and the like erected on roads or railways.

In the description of the embodiments of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present disclosure and for simplification of description, but do not indicate or imply that the structures or devices referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the embodiments of the present disclosure.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A tunnel working platform vehicle is characterized by comprising a bearing mechanism (1), a basic platform (2) and a folding working platform (3);

the base platform (2) comprises a body part (21) and a supporting mechanism (22), the body part (21) is connected to the carrying mechanism (1), the supporting mechanism (22) is arranged on the body part (21), and the supporting mechanism (22) is used for supporting on the ground when the carrying mechanism (1) is parked;

the folding type working platform (3) is arranged on one side, far away from the bearing mechanism (1), of the body part (21), the folding type working platform (3) comprises a main body platform mechanism (31) and a folding platform mechanism (32), the main body platform mechanism (31) is rotatably connected with the body part (21), and the folding platform mechanism (32) is arranged on the main body platform mechanism (31).

2. The tunnel working platform carriage according to claim 1, further comprising a tractor (4), the tractor (4) being connected with the carrying means (1).

3. The tunnel working platform carriage according to claim 1, characterised in that a first support is provided on the main body platform means (31) for abutting against the carrying means (1) when the tunnel working platform carriage is in a runnable state.

4. A tunnel working platform carriage according to claim 3, characterised in that a swivel support mechanism (33) is provided on the main body platform mechanism (31), the swivel support mechanism (33) being connected to the body portion (21).

5. The tunnel work platform carriage according to claim 4, characterised in that the swivel support means (33) and the first support are both arranged on the face of the body platform means (31) facing the foundation platform (2); the rotary supporting mechanism (33) and the first supporting piece are respectively arranged at the first end and the second end of the main body platform mechanism (31).

6. The tunnel work platform cart according to claim 1, wherein the main body platform mechanism (31) comprises a first platform (311), a second platform (312) and a main support frame (313); the first platform (311) is arranged on one side, close to the ground, of the main support frame (313), the second platform (312) is arranged on one side, far away from the ground, of the main support frame (313), and a ladder stand is arranged between the first platform (311) and the second platform (312); be provided with gyration supporting mechanism (33) on first platform (311), gyration supporting mechanism (33) are used for rotating with the renovation platform truck and are connected.

7. The tunnel working platform carriage according to claim 6, characterised in that the folding platform means (32) comprises a platform support, a third platform (321), a first auxiliary platform assembly (322) and a second auxiliary platform assembly (323), the platform support being connected between the third platform (321) and the main platform means on the side remote from the ground; the first auxiliary platform assembly (322) is arranged between the first platform (311) and the second platform (312), and the second auxiliary platform is arranged on the side, away from the ground, of the main support frame (313).

8. A tunnel working platform carriage according to any of claims 1 to 7, characterised in that a level compensation mechanism (23) is arranged between the foundation platform (2) and the carrying mechanism (1).

9. A method of using a tunnel work platform cart according to any one of claims 1 to 8, comprising the steps of:

after the tunnel working platform vehicle reaches all designated construction positions, fixing the bearing mechanism (1) on the track;

arranging a supporting mechanism (22) to enable the supporting mechanism (22) to be supported on the ground;

rotating the main body platform mechanism (31) to enable the main body platform mechanism (31) to cross the tunnel;

the folding platform mechanism (32) is unfolded.

10. A tunnel maintenance train comprising a tunnel work platform vehicle according to any one of claims 1 to 9.

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