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

Abstract

The present invention provides a tunnel working platform vehicle and a method for using the same, and a tunnel maintenance train, which relate to the technical field of tunnel construction equipment, including a bearing mechanism, a basic platform, and a foldable working platform; by arranging a basic platform including a main body and a supporting mechanism on the bearing mechanism, the main platform of the foldable working platform is connected to the main body through rotation, so that the foldable working platform can be rotated in the tunnel; the supporting mechanism can be supported on the ground after the bearing mechanism is parked, reducing the load of the bearing mechanism; the foldable platform mechanism is unfolded into a multi-layer working platform that meets the construction requirements after the main platform mechanism is rotated to cross the tunnel. The tunnel working platform vehicle can travel on the track and can be quickly unfolded and recovered at the construction location, avoiding the tediousness of building a simple working platform, reducing labor costs, and reducing traffic closure time; the platform has a small cross-section after being folded, meeting the railway transportation limit, and meets the full-section construction requirements of the tunnel after being unfolded.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel construction equipment, and in particular to a tunnel working platform vehicle and a use method thereof, and a tunnel maintenance train. Background Art

[0002] With the rapid development of high-speed railways, tunnels will suffer from diseases of varying degrees due to years of disrepair, which poses serious hazards. The cross-section of high-speed double-track tunnels is relatively large, and the maintenance window time is relatively short. Due to problems such as exposed cables and process interference in the tunnel, the use of large-scale mechanized equipment cannot adapt to on-site working conditions. In the existing technology, tunnel renovation generally uses a disassembled and assembled simple work platform, which is assembled after the tunnel is blocked, then moved to the work point, and all facilities are dismantled before the tunnel is opened. Building the platform requires a lot of manpower and is extremely time-consuming. Disassembling and assembling the simple work platform for each operation is a repetitive labor, and the precious time of traffic closure is not fully utilized. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a tunnel working platform vehicle and a use method thereof, and a tunnel maintenance train.

[0004] The present disclosure provides a tunnel working platform vehicle, comprising a bearing mechanism, a base platform and a foldable working platform;

[0005] The basic platform includes a main body and a supporting mechanism, wherein the main body is connected to the carrying mechanism, and the supporting mechanism is arranged on the main body, and the supporting mechanism is used to support the carrying mechanism on the ground when the vehicle is parked;

[0006] The foldable working platform is arranged on a side of the main body away from the bearing mechanism. The foldable working platform comprises a main platform mechanism and a folding platform mechanism. The main platform mechanism is rotatably connected to the main body, and the folding platform mechanism is arranged on the main platform mechanism.

[0007] Optionally, a tractor is further included, and the tractor is connected to the carrying mechanism.

[0008] Optionally, a first support member is provided on the main platform mechanism, and when the tunnel working platform vehicle is in a drivable state, the first support member is used to abut against the bearing mechanism.

[0009] Optionally, a slewing support mechanism is provided on the main platform mechanism, and the slewing support mechanism is connected to the main body.

[0010] Optionally, the slewing support mechanism and the first support member are both arranged on the surface of the main platform mechanism facing the base platform; the slewing support mechanism and the first support member are respectively arranged at the first end and the second end of the main platform mechanism.

[0011] 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 a ladder is arranged between the first platform and the second platform; a slewing support mechanism is arranged on the first platform, and the slewing support mechanism is used to be rotatably connected to the treatment trolley.

[0012] Optionally, the folding platform mechanism includes a platform support, a third platform, a first auxiliary platform assembly and a second auxiliary platform assembly, 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 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.

[0013] Optionally, a horizontal compensation mechanism is provided between the base platform and the bearing mechanism.

[0014] A method for using the above-mentioned tunnel working platform vehicle comprises the following steps:

[0015] After the tunnel working platform vehicle arrives at the designated construction location, the bearing mechanism is fixed on the track;

[0016] Setting a support mechanism so that the support mechanism is supported on the ground;

[0017] Rotate the main platform mechanism so that the main platform mechanism spans the tunnel;

[0018] Unfold the folding platform mechanism.

[0019] The present disclosure also provides a tunnel maintenance train, comprising the above-mentioned tunnel working platform vehicle.

[0020] Compared with the prior art, the technical solution provided by the embodiments of the present disclosure has the following advantages:

[0021] The tunnel working platform vehicle and its use method, and tunnel maintenance train provided by the present disclosure, by setting a basic platform including a main body and a support mechanism on the bearing mechanism, the main platform of the foldable working platform is connected to the main body by rotation, thereby realizing the rotation of the foldable working platform in the tunnel; the support 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 foldable working platform is unfolded into a multi-layer working platform that meets the construction requirements after the main platform mechanism is rotated to cross the tunnel. The tunnel working platform vehicle has a high degree of integration and mechanization, can travel on the track, and can be quickly unfolded and recovered at the designated construction location, avoiding the tediousness of temporarily building a simple working platform, reducing labor costs, and reducing the time of traffic closure; the tunnel working platform vehicle has a small cross-section after being folded, meeting the railway transportation limit, and meets the full-section construction requirements of the tunnel after being unfolded. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] 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 present disclosure.

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0024] Figure 1 A schematic diagram of a tunnel maintenance train according to an embodiment of the present disclosure;

[0025] Figure 2 It is a schematic diagram of the foldable working platform according to the embodiment of the present disclosure;

[0026] Figure 3 It is a partial schematic diagram of the tunnel working platform vehicle according to the embodiment of the present disclosure;

[0027] Figure 4 This is a schematic diagram of the tunnel working platform vehicle in a tunnel according to an embodiment of the present disclosure;

[0028] Figure 5 It is a schematic diagram of the foldable working platform according to the embodiment of the present disclosure being unfolded in a tunnel;

[0029] Figure 6 A side view of the foldable working platform according to an embodiment of the present disclosure unfolded in a tunnel;

[0030] Figure 7 This is a schematic diagram of the foldable working platform according to an embodiment of the present disclosure being unfolded on a sloped rail.

[0031] Among them, 1. bearing mechanism; 2. basic platform; 21. main body; 22. supporting mechanism; 23. horizontal compensation mechanism; 3. folding working platform; 31. main platform mechanism; 311. first platform; 312. second platform; 313. main supporting frame; 32. folding platform mechanism; 321. third platform; 322. first auxiliary platform assembly; 323. second auxiliary platform assembly; 33. slewing supporting mechanism; 34. lifting platform; 35. protection mechanism; 4. tractor; 5. truck-mounted crane; 6. material truck. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned objectives, features and advantages of the present disclosure, the scheme 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 can be combined with each other without conflict.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present disclosure, but the present disclosure may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present disclosure, rather than all of the embodiments.

[0034] Combination Figures 2 to 4 As shown, 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 main body 21 and a supporting mechanism 22, the main body 21 is connected to the carrying mechanism 1, the supporting mechanism 22 is arranged on the main body 21, and the supporting mechanism 22 is used to support the carrying mechanism 1 on the ground when the vehicle is parked; the foldable working platform 3 is arranged on a side of the main body 21 away from the carrying mechanism 1, and 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 to the main body 21, and the folding platform mechanism 32 is arranged on the main platform mechanism 31.

[0035] In the tunnel working platform vehicle, a basic platform 2 including a main body 21 and a supporting mechanism 22 is arranged on the carrying mechanism 1, so that the main platform of the foldable working platform 3 is connected to the main body 21 for rotation, thereby realizing the rotation of the foldable working platform 3 in the tunnel; the supporting mechanism 22 can be supported on the ground after the carrying mechanism 1 is parked to reduce the load of the carrying mechanism 1; the folding platform mechanism 32 of the foldable working platform 3 is unfolded into a multi-layer working platform that meets construction needs after the main platform mechanism is rotated to cross the tunnel.

[0036] By adopting the above-mentioned tunnel working platform vehicle with high integration and mechanization, it is possible to carry the foldable working platform 3 and walk on the track, and quickly unfold and retract it at the designated construction location, thus avoiding the tediousness of temporarily building a simple working platform, reducing labor costs, and shortening the time of traffic closure.

[0037] Optionally, the above-mentioned supporting mechanism 1 adopts a standard railway flat car, which can carry the foldable working platform 3 and travel on the railway track; optionally, the above-mentioned supporting mechanism 1 adopts a highway trailer, which can carry the foldable working platform 3 and travel on the highway.

[0038] In some embodiments, a support leg is provided on the support mechanism 22, and a universal joint is provided between the support mechanism 22 and the support leg. Specifically, the universal joint is used to adjust the angle between the support mechanism 22 and the support leg so that the support leg can adapt to the slope of the construction site and ensure sufficient contact area with the ground. Preferably, the universal joint can adopt a multi-layer flat hinge structure.

[0039] In some embodiments, the support mechanism 22 includes a plurality of legs; preferably, each leg can be independently extended and retracted perpendicular to the tunnel extension direction, and the length of each leg can be varied to adapt to the bottom surface under different working conditions. Specifically, the base platform 2 can adapt to working conditions with a maximum longitudinal slope of 30‰ and a maximum superelevation of 175mm.

[0040] In some embodiments, a first support member is provided on the main platform mechanism 31, and when the tunnel working platform vehicle is in a drivable state, the first support member is used to abut against the carrying mechanism 1. 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 columnar 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 stability of the entire foldable working platform 3.

[0041] In some embodiments, a swivel support mechanism 33 is provided on the main platform mechanism 31, and the swivel support mechanism 33 is connected to the main body 21. Optionally, the swivel support mechanism 33 may adopt a swivel support shaft; preferably, the swivel support shaft is fixedly provided on the main body 21, and the main platform mechanism 31 rotates in cooperation with the swivel support shaft.

[0042] In some embodiments, the swivel support mechanism 33 and the first support member are both arranged on the surface of the main platform mechanism 31 facing the base platform 2; the swivel support mechanism 33 and the first support member are respectively arranged at the first end and the second end of the main platform mechanism 31. Specifically, the swivel support mechanism 33 can not only cooperate with the main platform mechanism 31 in rotation, but also support the main platform mechanism 31; therefore, the swivel support mechanism 33 and the first support member respectively support the first end and the second end of the main platform mechanism 31, which can not only ensure the stability of the main platform mechanism 31, but also reduce the first support member and reduce the dead weight of the foldable working platform 3.

[0043] In some embodiments, a second support is provided at the second end of the main platform mechanism 31, and when the foldable working platform 3 is unfolded, the second support is used to support the ground. Specifically, the foldable working platform 3 covers the longitudinal width of the tunnel after being unfolded, and one end of the foldable working platform 3 is supported by the base platform 2, and the other end is supported by the second support, so as to ensure the stability and strength of the foldable working platform 3 after being unfolded.

[0044] Combination Figures 5 to 7As shown, 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 arranged 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, and a ladder is arranged between the first platform 311 and the second platform 312; a slewing support mechanism 33 is arranged on the first platform 311, and the slewing support mechanism 33 is used to be rotatably connected with the treatment trolley. Preferably, the edges of the first platform 311 and the second platform 312 are respectively hinged with a first extension plate and a second extension plate, and the first extension plate and the second extension plate are used to increase the area of ​​the first platform 311 and the second platform 312 after being unfolded. Specifically, since the main platform mechanism is a fixed structure, personnel and equipment 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, which is used to connect the third platform 32122 with the main platform mechanism 1 after the working platform is unfolded.

[0045] 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, the platform support is connected between the side of the main platform mechanism away from the ground and the third platform 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 folding work platform 3 also includes a foldable ladder, which is used to connect the third platform 321 and the main platform mechanism after the work platform is unfolded. Preferably, the third platform 321 includes two third platform 321 boards and two main support frames 313, and the two third platform 321 boards are symmetrically arranged about the central axis in the length direction of the main support frame 313; the two ends of the platform support are respectively hinged to the third platform 321 board and the main support frame 313. Specifically, the above-mentioned third platform 321 board and the platform support can be flipped to the side of the main platform mechanism, and during transportation, the third platform 321 board and the platform support are suspended on both sides of the main platform mechanism. Preferably, the hinges between the platform support and the third platform 321 plate and the main support frame 313 are all provided with locking mechanisms for fixing the hinges during the construction process to prevent the third platform 321 from becoming unstable during the construction process. 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, thereby facilitating construction.

[0046] In some embodiments, a horizontal compensation mechanism 23 is provided between the base platform 2 and the supporting mechanism 1. Specifically, the horizontal compensation mechanism 23 is used to keep the base platform 2 level when the rails at the parking position of the treatment trolley are inclined at a certain slope, thereby ensuring that the working platform is in a horizontal position to avoid affecting the construction quality. Preferably, the horizontal compensation mechanism 23 includes a support member and a pin, and the pin connects the main body 21 and the support member; the side of the support member close to the main body 21 is provided with a first inclined surface and a second inclined surface, and the first inclined surface and the second inclined surface are symmetrical about the axis of the pin; the side of the support member away from the main body 21 is used to connect with the carrying flat car. Optionally, the horizontal compensation mechanism 23 includes a plurality of hydraulic cylinders, and the plurality of hydraulic cylinders are dispersedly arranged between the main body 21 and the treatment trolley, and each hydraulic cylinder can be extended and retracted to different lengths to keep the main body 21 level.

[0047] In some embodiments, the foldable working platform 3 further includes a lifting platform 34. Specifically, the lifting platform 34 is arranged on one side of the unfolded working platform, driven by a motor, and used to transport materials between the working platform and the ground.

[0048] In some embodiments, the foldable working platform 3 further includes a detachable circular ladder, which is a spliced ​​structure and is used to be coaxially arranged around the tunnel on the unfolded working platform. 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.

[0049] In some embodiments, the foldable working platform 3 further includes a protection mechanism 35, which is used to be arranged at the edge of each layer of the unfolded working platform to ensure the safety of the construction workers. In more detail, the protection 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 protection mechanism 35 can be a guardrail and a safety rope, one end of the safety rope is used to be set on the guardrail, and the other end is used to be tied to the construction workers.

[0050] In some embodiments of the present disclosure, a method for using the above-mentioned tunnel working platform vehicle is also provided, comprising the following steps:

[0051] After the tunnel working platform vehicle arrives at the designated construction location, the carrying mechanism 1 is fixed on the track;

[0052] Setting a support mechanism 22 so that the support mechanism 22 is supported on the ground;

[0053] Rotate the main platform mechanism 31 so that the main platform mechanism 31 spans the tunnel;

[0054] The folding platform mechanism 32 is unfolded.

[0055] The following is a description of the method for using the above-mentioned tunnel working platform vehicle in conjunction with a specific embodiment. The deployment of the tunnel working platform vehicle includes the following steps:

[0056] First, transport the tunnel working platform vehicle to the designated construction location, remove the tractor 4, material vehicle 6, etc. with hanging chains, install iron shoes, and fix the bearing mechanism 1 on the track; after leveling the base platform 2, support the supporting mechanism 22 on the ground; then, rotate the main platform mechanism 31 so that the main platform mechanism 31 spans the tunnel, and then set the second supporting member. At this time, the first platform 311 and the second platform 312 can be put into construction use; unfold the third platform 321, the first auxiliary platform assembly 322 and the second auxiliary platform assembly 323, and install the lifting platform 34 and the circular ladder, and finally install the protective mechanism 35.

[0057] The stowage of the tunnel working platform vehicle comprises the following steps:

[0058] First, fold up the protective mechanism 35, dismantle the lifting platform 34 and the circular ladder; then, fold the third platform 321, the first auxiliary platform assembly 322 and the second auxiliary platform assembly 323; after folding the second support member, rotate the main platform mechanism 31 so that the lower surface of the main platform mechanism 31 is opposite to the bearing mechanism 1 and supports the first support member; after connecting the tractor 4 and the material vehicle 6, drive away from the construction site.

[0059] like Figure 1 As shown, in some embodiments of the present disclosure, there is also provided a tunnel maintenance train, including the above-mentioned tunnel working platform vehicle. Specifically, it also includes a tractor 4, which is connected to the supporting mechanism 1. Preferably, it also includes a truck crane 5 and a material vehicle 6. In more detail, the tractor 4 is used to provide power traction, and the tractor 4 is sequentially connected to the supporting mechanism 1 for transporting the foldable working platform 3, the supporting mechanism 1 for transporting materials and the truck crane 5; optionally, the order of the above-mentioned supporting mechanisms 1 can be adjusted as needed. The above-mentioned tunnel maintenance train can be either a railway train or a road train. In addition to being used for tunnel maintenance, it can also be used to build or maintain structures such as bridges and steel frames erected on roads or railways.

[0060] In the description of the embodiments of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present disclosure and simplifying the description, and do not indicate or imply that the structure or device referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present disclosure.

[0061] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0062] The above description is only a specific embodiment 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 apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to the embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tunnel working platform vehicle, characterized in that: It comprises a carrying mechanism (1), a basic platform (2) and a foldable working platform (3); The basic platform (2) comprises a main body (21) and a support mechanism (22), wherein the main body (21) is connected to the supporting mechanism (1), and the support mechanism (22) is arranged on the main body (21), and the support mechanism (22) is used to support the supporting mechanism (1) on the ground when the supporting mechanism (1) is parked; The foldable working platform (3) is arranged on a side of the main body (21) away from the carrying mechanism (1), and the foldable working platform (3) comprises a main platform mechanism (31) and a foldable platform mechanism (32), the main platform mechanism (31) is rotatably connected to the main body (21), and the foldable platform mechanism (32) is arranged on the main platform mechanism (31); The main 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 a side of the main support frame (313) close to the ground, the second platform (312) is arranged on a side of the main support frame (313) away from the ground, and a ladder is arranged between the first platform (311) and the second platform (312); a slewing support mechanism (33) is arranged on the first platform (311), and the slewing support mechanism (33) is used to be rotatably connected to the treatment trolley; The folding platform mechanism (32) comprises a platform support, a third platform (321), a first auxiliary platform component (322) and a second auxiliary platform component (323); the platform support is connected between the side of the main platform mechanism away from the ground and the third platform (321); the first auxiliary platform component (322) is arranged between the first platform (311) and the second platform (312); the second auxiliary platform is arranged on the side of the main support frame (313) away from the ground.

2. The tunnel working platform vehicle according to claim 1, characterized in that: It also comprises a tractor (4), wherein the tractor (4) is connected to the supporting mechanism (1).

3. The tunnel working platform vehicle according to claim 1, characterized in that: The main platform mechanism (31) is provided with a first support member, and when the tunnel working platform vehicle is in a drivable state, the first support member is used to abut against the bearing mechanism (1).

4. The tunnel working platform vehicle according to claim 3, characterized in that: The main body platform mechanism (31) is provided with a slewing support mechanism (33), and the slewing support mechanism (33) is connected to the main body (21).

5. The tunnel working platform vehicle according to claim 4, characterized in that: The slewing support mechanism (33) and the first support member 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 member are respectively arranged at the first end and the second end of the main platform mechanism (31).

6. The tunnel working platform vehicle according to any one of claims 1 to 5, characterized in that: A horizontal compensation mechanism (23) is provided between the base platform (2) and the bearing mechanism (1).

7. A method for using the tunnel working platform vehicle according to any one of claims 1 to 6, characterized in that: The following steps are involved: After the tunnel working platform vehicle reaches the designated construction location, the carrying mechanism (1) is fixed on the track; Providing a support mechanism (22) so that the support mechanism (22) is supported on the ground; Rotating the main platform mechanism (31) so that the main platform mechanism (31) spans the tunnel; The folding platform mechanism (32) is unfolded.

8. A tunnel maintenance train, characterized in that: It comprises a tunnel working platform vehicle as described in any one of claims 1 to 6.

Images