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 and its use method, tunnel maintenance train

technical field

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

Background technique

With the rapid development of high-speed railways, the tunnels will suffer from different degrees of disease due to their long-term disrepair and serious harm. The high-speed rail double-track tunnel has a relatively large cross-section, and the maintenance window is relatively short. Due to problems such as exposed cables in the tunnel and process interference, the use of large-scale mechanized equipment cannot adapt to the on-site working conditions. In the prior art, the tunnel remediation generally adopts a dismantling simple working platform. After the tunnel is blocked, the assembly is started, and then moved to the operation point, and all facilities are dismantled before the tunnel is opened. Building the platform requires a lot of labor and takes a long time. It is a repetitive effort to disassemble and assemble the simple work platform for each operation, and the precious time of traffic closure cannot be fully utilized.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present disclosure provides a tunnel working platform vehicle, a method for using the same, and a tunnel maintenance train.

The present disclosure provides a tunnel working platform vehicle, including a bearing mechanism, a basic platform and a foldable working platform;

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

The foldable working platform is arranged on the side of the body part away from the bearing mechanism. The foldable working platform includes a main platform mechanism and a folding platform mechanism.

Optionally, a tractor is also included, and the tractor is connected with the bearing mechanism.

Optionally, the main platform mechanism is provided with a first support member, and when the tunnel work platform vehicle is in a travelable state, the first support member is used to abut on the carrying mechanism.

Optionally, a slewing support mechanism is provided on the main body platform mechanism, and the slewing support mechanism is connected with the main body.

Optionally, both the slewing support mechanism and the first support are arranged on the surface of the main platform mechanism facing the base platform; the slewing support mechanism and the first support are respectively arranged at the first end and the second end of the main platform mechanism.

Optionally, the main platform mechanism includes a first platform, a second platform and a main support frame; the first platform is arranged on the side of the main support frame close to the ground, the second platform is arranged on the side of the main support frame away from the ground, and the first A ladder is arranged between the platform and the second platform; a slewing support mechanism is arranged on the first platform, and the slewing support mechanism is used for rotational connection with the remediation trolley.

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 the side of the main platform mechanism away from the ground and the third platform; the first auxiliary platform The platform assembly is arranged between the first platform and the second platform, and the second auxiliary platform is arranged on the side of the main support frame away from the ground.

Optionally, a horizontal compensation mechanism is arranged between the base platform and the bearing mechanism.

A method of using the above-mentioned tunnel work platform vehicle, comprising the following steps:

After the tunnel work platform vehicle arrives at the designated construction position, fix the bearing mechanism on the track;

Set up a support mechanism so that the support mechanism is supported on the ground;

Rotate the main platform mechanism to make the main platform mechanism cross the tunnel;

Expand the folding platform mechanism.

The present disclosure also provides a tunnel maintenance train, including the above-mentioned tunnel work platform vehicle.

Compared with the prior art, the technical solutions provided by the embodiments of the present disclosure have the following advantages:

In the tunnel working platform vehicle and its use method, and the tunnel maintenance train provided by the present disclosure, a base platform including a body part and a support mechanism is provided on the bearing mechanism, so that the main body platform of the foldable working platform is connected with the body part in rotation, thereby Realize the rotation of the folding working platform in the tunnel; the supporting mechanism can be supported on the ground after the bearing mechanism is parked to reduce the load of the bearing mechanism; the folding platform mechanism of the folding working platform, when the main platform mechanism rotates to cross the tunnel It will be a multi-layer work platform to meet construction needs. The tunnel work platform vehicle has a high degree of integration and mechanization, can walk on the track, and can be quickly deployed and recovered at the designated construction location, avoiding the tediousness of temporarily building a simple work platform, reducing labor costs, and reducing traffic closures. Time; the tunnel working platform vehicle has a small cross-section when it is folded, which meets the railway transportation limit, and meets the construction requirements of the full-section of the tunnel after it is unfolded.

Description of drawings

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

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the accompanying drawings that are required to be used in the description of the embodiments or the prior art will be briefly introduced below. In other words, on the premise of no creative labor, other drawings can also be obtained from these drawings.

1 is a schematic diagram of a tunnel maintenance train according to an embodiment of the disclosure;

FIG. 2 is a schematic diagram of the folding working platform according to the embodiment of the present disclosure;

3 is a partial schematic diagram of the tunnel working platform vehicle according to the embodiment of the disclosure;

4 is a schematic diagram of a tunnel working platform vehicle in a tunnel according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of the unfolding of the folding working platform in the tunnel according to the embodiment of the present disclosure;

FIG. 6 is a side view of the folding working platform according to the embodiment of the present disclosure unfolding in the tunnel;

FIG. 7 is a schematic diagram of unfolding the folding working platform on a sloped rail according to an embodiment of the present disclosure.

Among them, 1. Bearing mechanism; 2. Basic platform; 21. Body part; 22. Supporting mechanism; 23. Horizontal compensation mechanism; 3. Folding working platform; 31. Main platform mechanism; 311. First platform; 312. Second platform; 313, main support frame; 32, folding platform mechanism; 321, third platform; 322, first auxiliary platform assembly; 323, second auxiliary platform assembly; 33, slewing support mechanism; 34, lifting platform; 35, Protection mechanism; 4. Tractor; 5. Truck-mounted crane; 6. Material truck.

Detailed ways

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

Many specific details are set forth in the following description to facilitate a full understanding of the present disclosure, but the present disclosure can also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only a part of the embodiments of the present disclosure, and Not all examples.

2 to 4 , a tunnel working platform vehicle provided by an embodiment of the present disclosure includes a carrying mechanism 1 , a basic platform 2 and a foldable working platform 3 ; the basic platform 2 includes a body portion 21 and a support mechanism 22 . The body portion 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; On one side, the foldable working platform 3 includes a main platform mechanism 31 and a folding platform mechanism 32 , the main platform mechanism 31 is rotatably connected with the body portion 21 , and the folding platform mechanism 32 is arranged on the main platform mechanism 31 .

In this tunnel work platform vehicle, by setting the base platform 2 including the body part 21 and the support mechanism 22 on the bearing mechanism 1, the main body platform of the folding work platform 3 is connected with the body part 21 for rotation, so as to realize the folding work. The rotation of the platform 3 in the tunnel; the supporting mechanism 22 can be supported on the ground after the bearing mechanism 1 is parked to reduce the load of the bearing mechanism 1; After crossing the tunnel, it unfolds into a multi-layer working platform to meet the construction needs.

By adopting the above-mentioned tunnel work platform vehicle with high degree of integration and mechanization, the foldable work platform 3 can be carried on the track, and can be quickly deployed and recovered at the designated construction position, avoiding the tediousness of temporarily building a simple work platform and reducing the cost of Labor costs, reducing the time of traffic closures.

Optionally, the above-mentioned bearing mechanism 1 adopts a railway standard flat car, which can carry the folding working platform 3 to walk on the railway track; walking on the road.

In some embodiments, the support mechanism 22 is provided with feet, and a universal joint is provided between the support mechanism 22 and the feet. Specifically, 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 and ensure a sufficient contact area with the ground. Preferably, the above-mentioned universal joint can adopt a multi-layer flat hinge structure.

In some embodiments, the support mechanism 22 includes a plurality of legs; preferably, each leg can independently expand and contract perpendicular to the tunnel extension direction, and the length of each leg is variable to adapt to different working conditions the bottom surface. Specifically, the basic platform 2 can adapt to the working conditions with a maximum longitudinal slope of 30‰ and a maximum superelevation of 175mm.

In some embodiments, the main platform mechanism 31 is provided with a first support member, and the first support member is used for abutting on the carrying mechanism 1 when the tunnel working platform vehicle is in a drivable state. Preferably, when the tunnel working platform vehicle is in a drivable state, the main platform mechanism 31 and the carrying mechanism 1 are fixed by cables. Preferably, the first support member is a retractable column structure, and a plurality of first support members are dispersedly arranged between the main platform mechanism 31 and the carrying mechanism 1 to support the main platform mechanism 31 and ensure the entire foldable working platform 3 stability.

In some embodiments, the main platform mechanism 31 is provided with a slewing support mechanism 33 , and the slewing support mechanism 33 is connected with the body portion 21 . Optionally, the above-mentioned slewing support mechanism 33 may adopt a slewing support shaft; preferably, the slewing support shaft is fixedly arranged on the body portion 21, and the main platform mechanism 31 is rotatably matched with the slewing support shaft.

In some embodiments, the slewing support mechanism 33 and the first support are both arranged on the surface of the main platform mechanism 31 facing the base platform 2 ; the slewing support mechanism 33 and the first support are respectively arranged at the first end of the main platform mechanism 31 and the second end. Specifically, the slewing support mechanism 33 can not only rotate and cooperate with the main body platform mechanism 31, but also can support the main body platform mechanism 31; therefore, the slewing support mechanism 33 and the first support member respectively support the first end and the second end of the main body platform mechanism 31. It can not only ensure the stability of the main platform mechanism 31 , but also can reduce the first support member and reduce the self-weight of the folding working platform 3 .

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

5 to 7, in some embodiments, the main platform mechanism 31 includes a first platform 311, a second platform 312 and a main support frame 313; the first platform 311 is disposed on the side of the main support frame 313 close to the ground , the second platform 312 is arranged on the side of the main support frame 313 away from the ground, a ladder is arranged between the first platform 311 and the second platform 312; the first platform 311 is provided with a slewing support mechanism 33, and the slewing support mechanism 33 is used for It is rotatably connected with the remediation trolley. Preferably, the edges of the first platform 311 and the second platform 312 are respectively hinged with a first extension board and a second extension board, and the first extension board and the second extension board are used to enlarge the first platform 311 and the second extension board after they are unfolded. The area of the second platform 312 . Specifically, since the main platform mechanism is a fixed structure, personnel and implements can be accommodated between the first platform 311 and the second platform 312 . In more detail, the foldable working platform 3 also includes a foldable ladder for connecting the third platform 32122 with the main platform mechanism 1 after the working platform is unfolded.

In some embodiments, the folding platform mechanism 32 includes a platform support, a third platform 321, a first auxiliary platform assembly 322 and a second auxiliary platform assembly 323, and the platform support is connected to the side of the main platform mechanism away from the ground and the third platform Between the platforms 321; 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 of the main support frame 313 away from the ground. In more detail, the foldable working platform 3 further includes a foldable ladder for connecting the third platform 321 with the main platform mechanism after the working platform is unfolded. Preferably, the third platform 321 includes two third platform 321 plates and two main support frames 313, and the two third platform 321 plates are symmetrically arranged with respect to the central axis of the main support frame 313 in the length direction; The ends are hinged with the third platform 321 plate and the main support frame 313, respectively. Specifically, the above-mentioned third platform 321 plate and platform support can be turned to the side of the main platform mechanism, and during transportation, the third platform 321 plate and platform support are suspended on both sides of the main platform mechanism. Preferably, a locking mechanism is provided at the hinge joint between the platform support member, the third platform 321 plate and the main support frame 313 , for fixing the hinge during construction, so as to avoid instability of the third platform 321 during construction. Specifically, the second auxiliary platform assembly 323 includes a second auxiliary platform plate, and when the folding platform mechanism 32 is unfolded, the vertical distance between the second auxiliary platform plate and the second platform 312 is smaller than the vertical distance between the third platform 321 and the second platform 312 . Specifically, the above-mentioned first auxiliary platform assembly 322 and second auxiliary platform assembly 323 can make up for the excessive height difference between the first platform 311, the second platform 312 and the third platform 321, so that the platform can be closer to the inner wall of the tunnel, So as to facilitate construction.

In some embodiments, a horizontal compensation mechanism 23 is provided between the base platform 2 and the carrying mechanism 1 . Specifically, the horizontal compensation mechanism 23 is used to keep the base platform 2 horizontal when the rail at the parking position of the rectification trolley is inclined at a certain slope, thereby ensuring that the working platform is in a horizontal position so as not to affect the construction quality. Preferably, the horizontal compensation mechanism 23 includes a support member and a pin shaft, and the pin shaft connects the body portion 21 and the support member; a side of the support member close to the body portion 21 is provided with a first inclined surface and a second inclined surface, the first inclined surface and the second inclined surface Symmetrical with respect to the axis of the pin shaft; the side of the support away from the body portion 21 is used for connecting with the flat carriage. Optionally, the level compensation mechanism 23 includes a plurality of hydraulic cylinders, and the plurality of hydraulic cylinders are dispersedly arranged between the body portion 21 and the rectification trolley, and each hydraulic cylinder can be extended and retracted with different lengths to keep the body portion 21 horizontal.

In some embodiments, the collapsible work platform 3 also includes a lift platform 34 . Specifically, the lifting platform 34 is provided on one side of the unfolded working platform, and is driven by a motor for conveying materials between the working platform and the ground.

In some embodiments, the foldable working platform 3 further includes a detachable annular ladder, the annular ladder is a spliced structure, and the annular ladder is used to be arranged around the unfolded working platform coaxially with the tunnel. Specifically, when the working platform is fully unfolded, the construction personnel can connect the circular ladder section by section along the outer circumference of the working platform, and the circular ladder can be used to transport materials and supplies required for construction.

In some embodiments, the foldable working platform 3 further includes a protective mechanism 35, and the protective mechanism 35 is used to be arranged on the edge of each layer of the unfolded working platform to ensure the safety of construction personnel. In more detail, the protective mechanism 35 can be detachably connected with 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 protective mechanism 35 can be a guardrail and a safety One end of the safety rope is used to set it on the guardrail, and the other end is used to bind the construction personnel.

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

After the tunnel work platform vehicle arrives at the designated construction position, fix the bearing mechanism 1 on the track;

A support mechanism 22 is provided so that the support mechanism 22 is supported on the ground;

Rotate the main platform mechanism 31 to make the main platform mechanism 31 traverse the tunnel;

The folding platform mechanism 32 is unfolded.

Below in conjunction with a specific embodiment, the use method of the above-mentioned tunnel working platform vehicle will be described, and the deployment of the tunnel working platform vehicle includes the following steps:

First, transport the tunnel working platform truck to the designated construction location, remove the chain-mounted tractor 4, material truck 6, etc., install iron shoes, and fix the bearing mechanism 1 on the track; after leveling the foundation platform 2, place the support The mechanism 22 is supported on the ground; then, the main platform mechanism 31 is rotated to make the main platform mechanism 31 traverse the tunnel, and a second support is set. At this time, the first platform 311 and the second platform 312 can be put into construction use; Three platforms 321 , a first auxiliary platform assembly 322 and a second auxiliary platform assembly 323 , and the lifting platform 34 and the circular ladder are installed, and finally the protective mechanism 35 is installed.

The retraction of the tunnel work platform vehicle includes the following steps:

First, the protective mechanism 35 is retracted, the lifting platform 34 and the circular ladder are removed; then, the third platform 321, the first auxiliary platform assembly 322 and the second auxiliary platform assembly 323 are folded; after the second support is retracted, the main platform mechanism is rotated 31. Make the lower surface of the main platform mechanism 31 face the bearing mechanism 1 and support the first support; after connecting the tractor 4 and the material vehicle 6, drive away from the construction site.

As shown in FIG. 1 , in some embodiments of the present disclosure, a tunnel maintenance train is also provided, including the above-mentioned tunnel working platform vehicle. Specifically, a tractor 4 is also included, and the tractor 4 is connected with the carrying mechanism 1 . Preferably, a truck mounted crane 5 and a material truck 6 are also included. In more detail, the tractor 4 is used to provide power traction, and the tractor 4 is connected to the carrying mechanism 1 for transporting the collapsible working platform 3 , and the carrying mechanism 1 for transporting materials and the truck-mounted crane 5 in sequence; The order of 1 can be adjusted as needed. The above-mentioned tunnel maintenance trains can be either railway trains or road trains. In addition to being used for tunnel maintenance, they can also be used to build or maintain structures such as bridges and steel frames 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", "inside", "outside", etc. Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the embodiments of the present disclosure and simplifying the description, rather than indicating or implying that the structure or device referred to must have a particular orientation, be constructed and operate in a particular orientation , and therefore should not be construed as a limitation on the embodiments of the present disclosure.

It should be noted that, in this document, relational terms such as "first" and "second" etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is no such actual relationship or sequence between entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present disclosure, so that those skilled in the art can understand or implement 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 implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure is not intended to be limited to the embodiments described 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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