Anti-sliding device for horizontal transportation of shield tunnel

Abstract

The utility model provides an anti-sliding device for horizontal transportation of a shield tunnel, and relates to the technical field of transportation equipment. Which comprises a vehicle body and a track, the vehicle body is arranged above the track, and vehicle stopping assemblies are fixedly installed on the two sides of the bottom end of the vehicle body, and is characterized in that each vehicle stopping assembly comprises a C-shaped connecting groove, the connecting groove is connected to the outer edge of the track in a sleeving mode, and slope blocks are fixedly installed at the two ends of the interior of the side, making contact with the track, of the connecting groove; and a middle plate is arranged between the two slope blocks. The electric push rod drives the moving seat to move, the wedge-shaped block can be pushed through the moving seat to slide and rise along the slope block, the wear-resisting piece is controlled to abut against the inner side of the top of the rail, and therefore the braking effect is achieved, the wedge-shaped block is pushed by friction force to be further pre-tightened with the slope block during braking, and therefore the extrusion force between the wear-resisting piece and the rail is increased; therefore, the friction stopping effect is improved, direct friction fixing is achieved, the situation of wheel sliding is effectively avoided, and the situation of vehicle sliding is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the transportation equipment technical field, concretely is a horizontal transportation anti -slip car device for shield tunnel. BACKGROUND

[0002] With the acceleration of infrastructure construction in China, more and more large-diameter shield tunnels, in large-diameter shield tunnel technology, with the shield machine forward tunneling construction, the subsequent will be followed by the placement of prefabricated components (such as π type or mouth piece) as the permanent structure of the lower lane, at present, according to its use function, the maximum axial slope design of domestic large shield tunnel reaches 4%, and such a large slope is easy to make the tunnel engineering vehicles slip, therefore, it is crucial to set anti-slip measures for the engineering vehicles in tunnel horizontal transportation.

[0003] As in the patent file with the announcement number CN220374519U, a large-diameter shield tunnel horizontal transportation anti-slip car stopping device is disclosed, which comprises a vehicle body, the bottom of the vehicle body is provided with uniformly distributed wheels, the bottom of the wheel is provided with a track, the outer side of the wheel is fixedly connected with uniformly distributed stop rods, the front and rear sides of the vehicle body are fixedly connected with stopping assemblies, and the inside of the stopping assembly is fixedly connected with a limiting assembly, and the track is provided with uniformly distributed limiting grooves on the end face of the steel plate away from the wheel; the utility model will not affect the movement of the vehicle body when the vehicle body is normally driven, the stopping assembly is in the starting state, and once it needs to stop, at this time, the first electromagnet inside the fixed frame is closed, under the action of the first spring, the magnet plate drives the connecting rod, the supporting plate and the limiting column to move to both sides, and the limiting column is clamped into the stop rod to achieve the purpose of clamping the wheel, avoiding the wheel from continuing to rotate to achieve the purpose of stopping.

[0004] In the above-mentioned prior art, the vehicle is stopped by clamping the wheel, which can stop the wheel from rolling on the track, but the wheel may still slide on the track, resulting in skidding, and the clamping column and the limiting groove are further fixed, so that the clamping column and the limiting groove do not correspond after the vehicle body stops, therefore, a new anti-slip car device for shield tunnel horizontal transportation is proposed to optimize the above-mentioned prior art. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model provides a kind of anti-slip car device for shield tunnel horizontal transportation to solve the above problems, and the specific technical scheme is as follows:

[0006] A kind of device for horizontal transportation of shield tunnel anti-slip car, including car body and track, car body is arranged in the upper of track, the bottom end of car body both sides is fixedly installed with stop car component, it is characterized in that: the stop car component includes the connecting slot of "C" type, connecting slot is sleeved at the outer edge of track, the inside of the side of connecting slot and track contact is fixedly installed with inclined block at both ends, middle plate is arranged between two inclined blocks, middle plate is fixedly connected with connecting slot, inclined block is slidably connected with wedge-shaped block at the inclined surface of inclined block, the contact surface of wedge-shaped block and track is parallel and is equipped with wear-resistant sheet, the both sides of middle plate are fixedly installed with electric push rod, the free end of electric push rod is slidably connected with wedge-shaped block.

[0007] Preferably, a moving seat is arranged between the inclined block and the middle plate, one end of the moving seat is fixedly connected with the electric push rod, and the other end is slidably connected with the wedge-shaped block.

[0008] Preferably, a limiting sliding groove perpendicular to the moving direction of the moving seat is formed on the side of the wedge-shaped block close to the moving seat, a sliding block is slidably connected in the limiting sliding groove, one end of the sliding block is fixedly installed with a connecting rod, and the connecting rod extends to the outside of the limiting sliding groove and is fixedly connected with the moving seat.

[0009] Preferably, guide rods are arranged on both sides of the middle plate and slidably connected with the moving seat.

[0010] Preferably, sliding grooves are formed on both sides of the wedge-shaped block in contact with the inner wall of the connecting slot, the sliding grooves are parallel to the inclined surface of the inclined block, and guide conditions are fixedly installed in the sliding grooves.

[0011] Preferably, an air spring is arranged at the end of the wedge-shaped block away from the moving seat, the fixed end of the air spring is fixedly connected with the connecting slot, and the extension direction of the air spring is the same as the sliding direction of the moving seat.

[0012] Preferably, a reinforcing rib is fixedly connected with the connecting slot on the outside thereof, wheels are equidistantly distributed at the bottom end of the car body, and the wheels are above the track.

[0013] Compared with the prior art, the device has the following beneficial effects:

[0014] 1、The device for horizontal transportation of shield tunnel anti-slip car drives the moving seat to move through the electric push rod, so that the wedge-shaped block can be pushed to slide and rise along the inclined block through the moving seat, the wear-resistant sheet is controlled to abut against the top inside of the track, thereby forming a brake effect, and the wedge-shaped block is further pre-tightened with the inclined block under the friction force while braking, thereby increasing the extrusion force between the wear-resistant sheet and the track, further increasing the friction stopping effect, directly rubbing and fixing, effectively avoiding the occurrence of wheel sliding, and effectively avoiding the occurrence of car slipping.

[0015] 2、The device for horizontal transportation of shield tunnel anti-slip car, through the setting of guide rod, the mobile seat is moved and is guided, thereby improving the stability of the mobile seat movement.

[0016] 3、The device for horizontal transportation of shield tunnel anti-slip car, through the cooperation of groove and guide condition, the movement of wedge-shaped block is further guided, and the movement stability of wedge-shaped block is improved.

[0017] 4、The device for horizontal transportation of shield tunnel anti-slip car, through the cooperation of connecting rod, sliding block and movable cavity, the movable connection between wedge-shaped block and mobile seat is formed, when the elastic force of gas spring cannot overcome the friction force to drive wedge-shaped block reset, wedge-shaped block can be moved reversely through the cooperation of connecting rod, sliding block and movable cavity, thereby loosening the extrusion fixation of wedge-shaped block and track. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is overall structure schematic diagram of the utility model;

[0019] Figure 2 It is structure schematic diagram of the utility model;

[0020] Figure 3 It is connecting groove connection schematic diagram of the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, car body;2, wheel;3, track;4, car stopping assembly;5, connecting groove;6, intermediate plate;7, inclined block;8, wedge-shaped block;9, wear-resistant sheet;10, electric push rod;11, mobile seat;12, gas spring;13, reinforcing rib;14, guide rod;15, sliding groove;16, guide condition;17, limit sliding groove;18, sliding block;19, connecting rod. DETAILED DESCRIPTION

[0022] The utility model will be further described with reference to the drawings.

[0023] Please refer to Figures 1-3The utility model relates to a kind of stop car assembly, including car body 1 and track 3, car body 1 is arranged on the top of track 3, the bottom end of car body 1 is fixedly installed with stop car assembly 4 on both sides, it is characterized by: stop car assembly 4 includes the connecting groove 5 of "C" type, connecting groove 5 is sleeved at the outer edge of track 3, the inside of the side of connecting groove 5 and track 3 contact is fixedly installed with inclined block 7 in both ends, middle plate 6 is arranged between two inclined blocks 7, middle plate 6 is fixedly connected with connecting groove 5, inclined block 7 is slidably connected with wedge block 8 on the inclined surface, T-shaped slide rail is fixedly connected on the inclined surface of wedge block 8, T-shaped slide groove is set on the inclined surface of inclined block 7, T-shaped slide rail is slidably connected in T-shaped slide groove, wedge block 8 and inclined block 7 form the sliding connection by the cooperation of T-shaped slide rail and T-shaped slide groove, the contact surface of wedge block 8 and track 3 is parallel with track 3 and is equipped with wear-resistant sheet 9, electric push rod 10 is fixedly installed on the both sides of middle plate 6, and electric push rod 10 is connected with power supply and switch.

[0024] The free end of electric push rod 10 is slidably connected with wedge block 8.

[0025] wedge block 8 is pushed to slide and rise along inclined block 7 by electric push rod 10, and then wear-resistant sheet 9 is controlled to press guide rail 3, so that brake effect is formed, while braking, wedge block 8 is further pre-tightened with inclined block 7 by the pushing of friction force, so that the extrusion force between wear-resistant sheet 9 and track 3 is increased, and then the friction stopping effect is increased, effectively avoiding the situation of vehicle sliding.

[0026] Please refer to Figure 3 , mobile seat 11 is arranged between inclined block 7 and middle plate 6, one end of mobile seat 11 is fixedly connected with electric push rod 10, and the other end is slidably connected with wedge block 8.

[0027] Please refer to Figure 3 , the side of wedge block 8 close to mobile seat 11 is provided with limiting slide groove 17 perpendicular to the moving direction of mobile seat 11, limiting slide groove 17 is slidably connected with sliding block 18 in the inside, one end of sliding block 18 is fixedly installed with connecting rod 19, and connecting rod 19 extends to the outside of limiting slide groove 17 and is fixedly connected with mobile seat 11.

[0028] Please refer to Figure 3 , both sides of middle plate 6 are provided with guide rod 14, and guide rod 14 is slidably connected with mobile seat 11. The stability of mobile seat 11 is improved by the setting of guide rod 14 to move.

[0029] Please refer to Figure 3The two sides of the wedge-shaped block 8 in contact with the inner wall of the connecting groove 5 are provided with sliding grooves 15 parallel to the inclined surface of the inclined block 7, and the inner wall of the connecting groove 5 is fixedly provided with guide conditions 16 inserted in the sliding grooves 15. Through the cooperation of the sliding grooves 15 and the guide conditions 16, the movement of the wedge-shaped block 8 is further guided, and the movement stability of the wedge-shaped block 8 is improved.

[0030] Please refer to Figure 3 The end of the wedge-shaped block 8 away from the moving seat 11 is provided with an air spring 12, the fixed end of the air spring 12 is fixedly connected with the connecting groove 5, and the extension direction of the air spring 12 is the same as the sliding direction of the moving seat 11. The wedge-shaped block 8 is always close to the moving seat 11, and when the moving seat 11 is pulled back by the electric push rod 10, the wedge-shaped block 8 can be reset synchronously.

[0031] Please refer to Figure 2 The outer side of the connecting groove 5 is fixedly connected with a reinforcing rib 13 matched with the connecting groove 5, and the bottom end of the vehicle body 1 is equidistantly distributed with wheels 2, and the wheels 2 are located above the track 3. Through the setting of the reinforcing rib 13, the structural strength of the connecting groove 5 is increased, and the deformation of the connecting groove 5 under stress is effectively avoided.

[0032] In use: when it is necessary to prevent hill rolling, the electric push rod 10 is started, the electric push rod 10 drives the moving seat 11 to move, and then the moving seat 11 drives the wedge-shaped block 8 along the inclined block 7, the wedge-shaped block 8 drives the wear-resistant sheet 9 to abut against the top inner side of the track 3 to form a brake effect, when the vehicle body 1 rolls on the track 3 to one side, the wedge-shaped block 8 on the corresponding side is pushed by the friction force, so that the wedge-shaped block 8 keeps sliding along the inclined block 7, so that the wear-resistant sheet 9 is subjected to greater extrusion force, thereby further improving the brake effect, thereby playing a function of preventing the vehicle from rolling, when it is not necessary to prevent the vehicle from rolling, the electric push rod 10 is retracted, thereby driving the moving seat 11 to move away from the inclined block 7, and the air spring 12 drives the wedge-shaped block 8 to move reversely and abut against the moving seat 11, thereby releasing the brake effect.

[0033] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as limiting the protection scope of the utility model in any way. Based on the explanation herein, the person skilled in the art can think of other specific embodiments of the utility model without creative labor, and these embodiments will all fall within the protection scope of the claims of the utility model.

Claims

1. A device for preventing runaway during horizontal transport in a shield tunnel, comprising a vehicle body (1) and a track (3), wherein the vehicle body (1) is positioned above the track (3), and stop components (4) are fixedly installed on both sides of the bottom end of the vehicle body (1), characterized in that: The stopping assembly (4) includes a "C"-shaped connecting groove (5), which is fitted onto the outer edge of the track (3); The connecting groove (5) has ramp blocks (7) fixedly installed at both ends on the side that contacts the track (3). An intermediate plate (6) is set between the two ramp blocks (7). The intermediate plate (6) is fixedly connected to the connecting groove (5). A wedge block (8) is slidably connected to the inclined surface of the ramp block (7). The contact surface between the wedge block (8) and the track (3) is parallel to the track (3) and a wear-resistant plate (9) is installed. Electric push rods (10) are fixedly installed on both sides of the intermediate plate (6), and the free end of the electric push rod (10) is slidably engaged with the wedge block (8).

2. The anti-slippage device for horizontal transport in shield tunnels according to claim 1, characterized in that: A movable seat (11) is provided between the ramp block (7) and the intermediate plate (6). One end of the movable seat (11) is fixedly connected to the electric push rod (10), and the other end is slidably engaged with the wedge block (8).

3. The anti-slippage device for horizontal transport in shield tunnels according to claim 2, characterized in that: The wedge block (8) has a limiting groove (17) on the side near the moving seat (11) that is perpendicular to the moving direction of the moving seat (11). A sliding block (18) is slidably connected inside the limiting groove (17). A connecting rod (19) is fixedly installed at one end of the sliding block (18). The connecting rod (19) extends to the outside of the limiting groove (17) and is fixedly connected to the moving seat (11).

4. A device for preventing runaway during horizontal transport in a shield tunnel according to claim 3, characterized in that: Guide rods (14) are provided on both sides of the intermediate plate (6), and the guide rods (14) are slidably connected to the movable seat (11).

5. A device for preventing runaway during horizontal transport in a shield tunnel according to claim 1 or 4, characterized in that: The wedge block (8) has sliding grooves (15) on both sides that are in contact with the inner wall of the connecting groove (5). The sliding grooves (15) are parallel to the inclined surface of the ramp block (7). The inner wall of the connecting groove (5) is fixedly installed with guides (16) inserted into the sliding grooves (15).

6. A device for preventing runaway during horizontal transport in a shield tunnel according to claim 5, characterized in that: A gas spring (12) is provided at the end of the wedge block (8) away from the moving seat (11). The fixed end of the gas spring (12) is fixedly connected to the connecting groove (5). The extension and retraction direction of the gas spring (12) is the same as the sliding direction of the moving seat (11).

7. A device for preventing runaway during horizontal transport in a shield tunnel according to claim 6, characterized in that: The outer side of the connecting groove (5) is fixedly connected to a reinforcing rib (13) that is compatible with it. The bottom end of the car body (1) is equidistantly distributed with wheels (2), and the wheels (2) are located above the track (3).

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