Tool car for maintenance of expressway tunnel

Abstract

The utility model relates to the technical field of expressway tunnel maintenance, in particular to a tool car for expressway tunnel maintenance. Comprising a working vehicle, a telescopic table top, a power mechanism and multiple sets of supporting mechanisms. The telescopic table board is mounted above a trailer bucket of the working vehicle; the power mechanism is installed on the operation vehicle and used for driving the telescopic table top to ascend, descend and rotate. The multiple sets of supporting mechanisms are all installed at the bottom end of the telescopic table top. According to the technical scheme, the telescopic table top capable of ascending, descending and rotating is arranged, so that all point positions on the inner wall of the tunnel can be conveniently maintained, vehicles do not need to be moved, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed tunnel maintenance, in particular to a tool vehicle for high-speed tunnel maintenance. Background Technique

[0002] With the rapid development of urban and rural highway construction in China, the number of urban overpasses and intercity expressways increases significantly every year, which effectively promotes the development of the national economy. If damage occurs during the use of high-speed tunnels and cannot be repaired in time, it will cause traffic jams or traffic accidents, and the impact is immeasurable.

[0003] When carrying out maintenance work on the inner wall of the tunnel, the operator drives the maintenance vehicle to travel along the internal road of the tunnel. Since the width of the vehicle is much smaller than the width of the tunnel, when maintaining the inclined side of the tunnel top, the vehicle needs to be moved, and the operation is rather cumbersome, and the maintenance efficiency is reduced. Content of the Utility Model

[0004] The purpose of the utility model is to propose a tool vehicle for high-speed tunnel maintenance aiming at the problems existing in the background technique.

[0005] The technical solution of the utility model, a tool vehicle for high-speed tunnel maintenance, includes:

[0006] A work vehicle;

[0007] A telescopic tabletop, which is installed above the trailer bucket of the work vehicle;

[0008] A power mechanism installed on the work vehicle for driving the telescopic tabletop to lift and rotate;

[0009] Multiple groups of support mechanisms, and multiple groups of support mechanisms are all installed at the bottom end of the telescopic tabletop.

[0010] Preferably, a deceleration mechanism is installed at the rear side of the work vehicle. The deceleration mechanism includes a mounting frame, a mounting shaft, a rubber deceleration belt and a first servo motor. Among them, the mounting frame is installed at the rear side of the work vehicle, the mounting shaft is rotatably arranged on the mounting frame, the first servo motor is installed on the mounting frame and its output shaft is connected to the mounting shaft, and the rubber deceleration belt is wound around the mounting shaft.

[0011] Preferably, a number of rubber burrs are arranged on the surface of the rubber deceleration belt.

[0012] Preferably, the telescopic tabletop includes a first lifting table, a second lifting table, and a power assembly. The first lifting table is slidably connected to the second lifting table. The power assembly includes a third servo motor, a threaded rod, and a threaded sleeve. The third servo motor is installed at the bottom end of the first lifting table, the threaded rod is installed on the output shaft of the third servo motor, the threaded sleeve is connected to the end of the second lifting table, and the threaded sleeve is threadedly connected to the threaded rod. A guide rod is connected to the outer end of the second lifting table, and a fixed block is provided on the first lifting table. The fixed block is slidably arranged on the guide rod.

[0013] Preferably, the power mechanism includes a first scissor lift mechanism, a turntable, a speed reducer, and a second servo motor. Among them, the first scissor lift mechanism is installed on the work vehicle, the turntable is installed at the top of the first scissor lift mechanism, a motor bracket is provided at the bottom end of the turntable, the speed reducer and the second servo motor are both installed on the motor bracket, the output shaft of the second servo motor is connected to the input shaft of the speed reducer, and the output shaft of the speed reducer is connected to the first lifting table.

[0014] Preferably, fences are provided on both the first lifting table and the second lifting table. Telescopic sliding rods are connected to both sides between the two fences. The telescopic sliding rod includes a first sliding rod and a second sliding rod. The first sliding rod and the second sliding rod are respectively connected to the fences on both sides, and the first sliding rod is slidably connected to the second sliding rod. A sliding base is slidably arranged between the two telescopic sliding rods. A telescopic support rod is installed on the sliding base. The telescopic support rod includes a sleeve and a movable rod. The sleeve is vertically arranged on the sliding base, the bottom end of the movable rod is slidably arranged inside the sleeve, a wing bolt is threadedly connected to the sleeve, and a transparent umbrella is installed at the top end of the movable rod.

[0015] Preferably, the support mechanism includes a second scissor lift mechanism, a support, and a plurality of rollers. The second scissor lift mechanism is installed at the bottom end of the second lifting table, the support is installed at the bottom end of the second scissor lift mechanism, and a plurality of rollers are installed on the support.

[0016] Preferably, a display screen is installed at the rear side of the telescopic tabletop.

[0017] Compared with the prior art, the present utility model has the following beneficial technical effects: In this technical solution, by providing a telescopic tabletop that can be lifted and rotated, it is convenient to perform maintenance work on each point position on the inner wall of the tunnel without moving the vehicle, and its practicability is relatively strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 and Figure 2 are both structural schematic diagrams of the present utility model.

[0019] Figure 3 is a structural schematic diagram of the bottom end of the telescopic tabletop in the present utility model.

[0020] Reference numerals: 1, work vehicle; 2, first lifting platform; 3, second lifting platform; 4, enclosure; 51, first sliding rod; 52, second sliding rod; 6, sliding base; 7, transparent umbrella; 8, first scissor lift mechanism; 9, second scissor lift mechanism; 10, support; 11, roller; 121, sleeve; 122, movable rod; 13, wing bolt; 14, display screen; 15, mounting bracket; 16, rubber speed bump; 17, first servo motor; 18, turntable; 19, motor bracket; 20, speed reducer; 21, second servo motor; 22, third servo motor; 23, threaded rod; 24, guide rod; 25, fixed block; 26, threaded sleeve. Detailed implementation manners

[0021] Embodiment 1

[0022] As Figures 1 - 3 shown, a tool vehicle for high-speed tunnel maintenance proposed in this embodiment includes a work vehicle 1, a telescopic tabletop, a power mechanism, and multiple groups of support mechanisms.

[0023] The telescopic tabletop is installed above the trailer bucket of the work vehicle 1. The telescopic tabletop includes a first lifting platform 2, a second lifting platform 3, and a power component. The first lifting platform 2 is slidably connected to the second lifting platform 3. The power component includes a third servo motor 22, a threaded rod 23, and a threaded sleeve 26. The third servo motor 22 is installed at the bottom end of the first lifting platform 2. The threaded rod 23 is installed on the output shaft of the third servo motor 22. The threaded sleeve 26 is connected to the end of the second lifting platform 3. The threaded sleeve 26 is threadedly connected to the threaded rod 23. A guide rod 24 is connected to the outer end of the second lifting platform 3. A fixed block 25 is provided on the first lifting platform 2. The fixed block 25 is slidably arranged on the guide rod 24. By setting the third servo motor 22, the rotation direction of the threaded rod 23 can be adjusted, and then the threaded sleeve 26 can be driven to move along its length direction. The threaded sleeve 26 drives the second lifting platform 3 to move, thereby realizing the length adjustment of the telescopic tabletop.

[0024] The power mechanism is installed on the work vehicle 1 and is used to drive the telescopic tabletop to lift and rotate. The power mechanism includes a first scissor lift mechanism 8, a turntable 18, a speed reducer 20, and a second servo motor 21. Among them, the first scissor lift mechanism 8 is installed on the work vehicle 1. The turntable 18 is installed at the top end of the first scissor lift mechanism 8. A motor bracket 19 is provided at the bottom end of the turntable 18. The speed reducer 20 and the second servo motor 21 are both installed on the motor bracket 19. The output shaft of the second servo motor 21 is connected to the input shaft of the speed reducer 20. The output shaft of the speed reducer 20 is connected to the first lifting platform 2.

[0025] Multiple sets of support mechanisms are all installed at the bottom end of the telescopic tabletop. The support mechanism includes a second scissor lift mechanism 9, a support 10, and multiple rollers 11. The second scissor lift mechanism 9 is installed at the bottom end of the second lifting platform 3, the support 10 is installed at the bottom end of the second scissor lift mechanism 9, and multiple rollers 11 are all installed on the support 10. By means of the provided support mechanism, the extended telescopic tabletop can be supported to improve the stability of the telescopic tabletop.

[0026] Fences 4 are provided on both the first lifting platform 2 and the second lifting platform 3. The provision of the fences 4 can prevent the operator from falling off the telescopic tabletop. Telescopic slide rods are connected to both sides between the two fences 4. The telescopic slide rod includes a first slide rod 51 and a second slide rod 52. The first slide rod 51 and the second slide rod 52 are respectively connected to the fences 4 on both sides, and the first slide rod 51 is slidably connected to the second slide rod 52. A sliding base 6 is slidably arranged between the two telescopic slide rods. A telescopic support rod is installed on the sliding base 6. The telescopic support rod includes a sleeve 121 and a movable rod 122. The sleeve 121 is vertically arranged on the sliding base 6, the bottom end of the movable rod 122 is slidably arranged inside the sleeve 121, a wing nut 13 is threadedly connected to the sleeve 121, and a transparent umbrella 7 is installed at the top end of the movable rod 122. During the maintenance work, the operator's head is always placed below the transparent umbrella 7, which can prevent the operator's head from being injured by crushed stones.

[0027] A display screen 14 is installed at the rear side of the telescopic tabletop. The provided display screen 14 can serve as a warning to the following vehicle.

[0028] When performing maintenance work on the inclined side of the tunnel top, the telescopic tabletop is driven to rotate by means of the provided speed reducer 20 and the second servo motor 21, so that the telescopic tabletop rotates to be perpendicular to the trailer bucket of the work vehicle 1. The length of the telescopic tabletop can be adjusted by means of the provided power assembly. The operator can walk on the telescopic tabletop, and the height of the telescopic tabletop can be adjusted by means of the provided first scissor lift mechanism 8, so that maintenance work can be carried out on various position points of the tunnel inner wall, and its practicability is strong.

[0029] Embodiment 2

[0030] As Figure 1As shown in the figure, a tool vehicle for high-speed tunnel maintenance proposed in this embodiment, compared with the first embodiment, in this embodiment, a deceleration mechanism is installed at the rear side of the work vehicle 1. The deceleration mechanism includes a mounting frame 15, a mounting shaft, a rubber deceleration belt 16, and a first servo motor 17. Among them, the mounting frame 15 is installed at the rear side of the work vehicle 1, the mounting shaft is rotatably arranged on the mounting frame 15, the first servo motor 17 is installed on the mounting frame 15 and its output shaft is connected to the mounting shaft, and the rubber deceleration belt 16 is wound around the mounting shaft; several rubber burrs are provided on the surface of the rubber deceleration belt 16; before reaching the maintenance operation point position, first start the first servo motor 17 to work to drive the mounting shaft to rotate, so as to realize the unwinding work of the rubber deceleration belt 16. When a vehicle breaks into the rear side of the work vehicle 1, the provided rubber deceleration belt 16 can play a role in deceleration, avoiding or reducing the occurrence of accidents, and its safety is relatively high.

[0031] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to this. Various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art to which the present invention pertains.

Claims

1. A tool vehicle for high-speed tunnel maintenance, characterized in that, Comprising: A work vehicle (1); A telescopic tabletop, which is installed above the trailer bucket of the work vehicle (1); A power mechanism installed on the work vehicle (1) for driving the telescopic tabletop to lift and rotate; Multiple groups of support mechanisms, all of which are installed at the bottom end of the telescopic tabletop.

2. The tool vehicle for high-speed tunnel maintenance according to claim 1, characterized in that, A deceleration mechanism is installed at the rear side of the work vehicle (1). The deceleration mechanism includes a mounting frame (15), a mounting shaft, a rubber deceleration belt (16), and a first servo motor (17). Among them, the mounting frame (15) is installed at the rear side of the work vehicle (1), the mounting shaft is rotatably arranged on the mounting frame (15), the first servo motor (17) is installed on the mounting frame (15) and its output shaft is connected to the mounting shaft, and the rubber deceleration belt (16) is wound around the mounting shaft.

3. The tool vehicle for high-speed tunnel maintenance according to claim 2, characterized in that, A number of rubber burrs are provided on the surface of the rubber deceleration belt (16).

4. The tool vehicle for high-speed tunnel maintenance according to claim 1, wherein, The telescopic tabletop includes a first lifting platform (2), a second lifting platform (3), and a power assembly. The first lifting platform (2) is slidably connected to the second lifting platform (3). The power assembly includes a third servo motor (22), a threaded rod (23), and a threaded sleeve (26). The third servo motor (22) is installed at the bottom end of the first lifting platform (2), the threaded rod (23) is installed on the output shaft of the third servo motor (22), the threaded sleeve (26) is connected to the end of the second lifting platform (3), and the threaded sleeve (26) is threadedly connected to the threaded rod (23); a guide rod (24) is connected to the outer end of the second lifting platform (3), and a fixed block (25) is provided on the first lifting platform (2), and the fixed block (25) is slidably arranged on the guide rod (24).

5. The tool vehicle for high-speed tunnel maintenance according to claim 4, characterized in that, The power mechanism includes a first scissor lift mechanism (8), a turntable (18), a speed reducer (20), and a second servo motor (21). Among them, the first scissor lift mechanism (8) is installed on the work vehicle (1), the turntable (18) is installed at the top end of the first scissor lift mechanism (8), a motor support (19) is provided at the bottom end of the turntable (18), the speed reducer (20) and the second servo motor (21) are both installed on the motor support (19), the output shaft of the second servo motor (21) is connected to the input shaft of the speed reducer (20), and the output shaft of the speed reducer (20) is connected to the first lifting platform (2).

6. The utility vehicle for high-speed tunnel maintenance according to claim 4, characterized in that, Enclosures (4) are provided on both the first lifting platform (2) and the second lifting platform (3). Telescopic sliding rods are connected to both sides between the two enclosures (4). The telescopic sliding rods include a first sliding rod (51) and a second sliding rod (52). The first sliding rod (51) and the second sliding rod (52) are respectively connected to the enclosures (4) on both sides, and the first sliding rod (51) is slidably connected to the second sliding rod (52). A sliding base (6) is slidably arranged between the two telescopic sliding rods. A telescopic support rod is installed on the sliding base (6). The telescopic support rod includes a sleeve (121) and a movable rod (122). The sleeve (121) is vertically arranged on the sliding base (6), the bottom end of the movable rod (122) is slidably arranged inside the sleeve (121), and a wing nut (13) is threadedly connected to the sleeve (121). A transparent umbrella (7) is installed at the top end of the movable rod (122).

7. The tool vehicle for high-speed tunnel maintenance according to claim 1, wherein, The support mechanism includes a second scissor lift mechanism (9), a support (10), and a plurality of rollers (11). The second scissor lift mechanism (9) is installed at the bottom end of the second lifting platform (3), the support (10) is installed at the bottom end of the second scissor lift mechanism (9), and the plurality of rollers (11) are all installed on the support (10).

8. The utility vehicle for high-speed tunnel maintenance according to claim 1, wherein, A display screen (14) is installed at the rear side of the telescopic tabletop.

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