Track holding self-tightening device of inclined shaft transport vehicle

Abstract

The utility model discloses a rail holding self-tightening device of an inclined shaft transport vehicle, and relates to the technical field of inclined shaft transport devices. The device further comprises a self-tightening assembly. The self-tightening assembly comprises a sliding block, a fixed plate, a tension spring, a rope, a pushing plate, a self-tightening block, a movable plate, a sliding plate, a rack and a gear. The sliding block and the movable plate are slidably connected to the lower side of the transfer cart, the sliding block is located between the two guide rails, and the movable plate is located outside the two guide rails; self-tightening blocks are fixed to the sides, facing the guide rails, of the sliding blocks and the movable plates. The tension spring is fixed between the fixed plate and the sliding plate; the sliding plate and the pushing plate are fixedly connected through a rope, and a traction rope is fixed to the other side of the pushing plate. The pushing plate is slidably connected between the sliding blocks. The movable plate and the sliding block are connected through a rack and a gear; when a traction cable is broken, the transport vehicle can be prevented from being out of control and falling down along an inclined shaft, the transport vehicle can be stably stopped on a rail during braking, and safety accidents caused by rollover and sliding of the transport vehicle are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inclined shaft transport device, especially to a kind of inclined shaft transport car rail-holding self-tightening device. BACKGROUND

[0002] Inclined shaft transport car is the safety equipment specially used for mine inclined shaft to transport personnel, its main function is to transport staff in inclined shaft, ensure the safety of lifting personnel, inclined shaft transport car is usually hauled by winch, can stably transport personnel in inclined shaft.

[0003] Inclined shaft transport car will appear broken rope phenomenon when running, leading to transport car out of control, causing the occurrence of safety production accident, the brake effect of the existing inclined shaft transport car rail-holding self-tightening device is poor, and it is easy to overturn when braking, leading to the sliding and rolling of transport car, causing more serious safety accident. INVENTION CONTENTS

[0004] The inclined shaft transport car rail-holding self-tightening device provided by the embodiment of the application solves the problem that the transport car will appear broken rope phenomenon when running in the prior art, leading to transport car out of control, the brake effect of the existing inclined shaft transport car rail-holding self-tightening device is poor, and it is easy to overturn when braking, leading to the sliding and rolling of transport car, causing more serious safety accident, and realizes that when the traction cable breaks, the transport car can be prevented from falling down the inclined shaft out of control, and the transport car can be stably stopped on the track when braking, avoiding the occurrence of safety accident caused by the side slipping of transport car.

[0005] The embodiment of the application provides an inclined shaft transport car rail-holding self-tightening device, which comprises a transport car assembly, the transport car assembly comprises a transport car, a guide rail, a traction rope and a moving wheel;

[0006] Further comprising a self-tightening assembly;

[0007] The self-tightening assembly comprises a sliding block, a fixed plate, a tension spring, a rope, a push plate, a self-tightening block, a movable plate, a sliding plate, a rack and a gear;

[0008] The sliding block and the movable plate are respectively slidably connected to the lower side of the transport car, the sliding block is located between the two guide rails, and the movable plate is located outside the two guide rails;

[0009] The sliding block and the movable plate are respectively slidably connected to the lower side of the transport car, the sliding block is located between the two guide rails, and the movable plate is located outside the two guide rails;

[0010] The tension spring is provided with a plurality of tension springs, the tension spring is fixed between the fixed plate and the sliding plate, and the sliding plate is slidably connected to the lower side of the transport car;

[0011] The sliding plate and the push plate are fixedly connected through the rope, and the traction rope is fixed to the other side of the push plate;

[0012] The pushing plate is slidingly connected between the sliding blocks, and the contact surface between the pushing plate and the sliding blocks is an inclined surface.

[0013] The activity plate and the sliding block are connected through a rack and pinion.

[0014] Further, the bottom of the transport vehicle is fixed with two spring pins.

[0015] The spring pins are respectively located between the activity plate and the sliding block.

[0016] The two ends of the spring pin respectively abut against the side walls of the activity plate and the sliding block.

[0017] Further, the fixed plate is fixed with a fixed rod, and the sliding plate is fixed with a movable rod.

[0018] The fixed rod is a hollow cylindrical rod.

[0019] The movable rod is slidingly and fixedly connected in the fixed rod.

[0020] The tension spring is sleeved on the fixed rod.

[0021] Further, the bottom of the transport vehicle is provided with two pairs of T-shaped grooves, and the sliding blocks and the activity plate are slidingly connected in the T-shaped grooves.

[0022] The activity plate and the sliding block are fixed with a connecting rod.

[0023] The connecting rod is a T-shaped rod.

[0024] The activity plate and the sliding block are fixed in the T-shaped groove at the bottom of the transport vehicle through the connecting rod.

[0025] Further, the activity plate and the sliding block are fixed with two pairs of racks on the adjacent two sides.

[0026] The gear is rotatably fixed at the bottom of the transport vehicle.

[0027] The gear is located between the two racks, and the gear and the rack are engaged.

[0028] Further, the fixed plate is a rectangular plate, and the fixed plate is fixedly connected to the lower side of the transport vehicle.

[0029] The fixed plate is located between the two moving wheels.

[0030] The shape and size of the sliding plate and the fixed plate are the same.

[0031] Further, the bottom of the transport vehicle is fixed with a fixed buckle.

[0032] The fixed buckle is provided with a through circular hole, and the traction rope passes through the circular hole in the fixed buckle.

[0033] The traction rope is fixed on the pushing plate through a lock buckle;

[0034] The two ends of the rope are fixed on the sliding plate and the pushing plate through lock buckles.

[0035] Further, grooves are arranged on the contact surfaces of the pushing plate and the sliding block;

[0036] A pair of pulleys are rotatably connected in the grooves on the two sides of the pushing plate respectively;

[0037] The pulleys are in contact with the groove bottoms on the side walls of the sliding block.

[0038] Further, a baffle is fixed on the sliding block;

[0039] The baffle is located at the two ends of the inclined edge of the sliding block, and is used for limiting the moving range of the pushing plate.

[0040] Further, the self-tightening blocks are a plurality of rectangular blocks;

[0041] The self-tightening blocks are fixedly connected on the sliding block and the movable plate through bolts respectively;

[0042] A rubber layer is fixedly attached on the contact surfaces of the self-tightening blocks and the guide rail.

[0043] One or more technical solutions provided in the embodiments have at least the following technical effects or advantages:

[0044] When the traction rope suddenly breaks, the pushing plate is moved by the tension spring, the pushing plate pushes the sliding block to move close to the guide rail, and the sliding block drives the movable plate to move close to the guide rail through the gear and rack, so that the self-tightening blocks clamp the guide rail, effectively solving the poor braking effect of the rail-holding self-tightening device of the transport vehicle when the traction rope breaks, and the transport vehicle is prone to overturning during braking, causing the transport vehicle to slide and roll down, causing more serious safety accidents, and further realizing the prevention of the transport vehicle from falling down the inclined shaft out of control, and the stable stopping of the transport vehicle on the track during braking, avoiding the occurrence of safety accidents caused by the side overturning and sliding of the transport vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0045] Figure 1 It is a transport vehicle bottom structure schematic view of the rail-holding self-tightening device of the inclined shaft transport vehicle.

[0046] Figure 2 It is a movable plate and sliding block connection relationship structure schematic view of the rail-holding self-tightening device of the inclined shaft transport vehicle.

[0047] Figure 3 It is a movable rod and fixed rod connection relationship structure schematic view of the rail-holding self-tightening device of the inclined shaft transport vehicle.

[0048] Figure 4 Figure 1 is a schematic diagram of the connection relationship structure of the pushing plate and the sliding block of the rail-holding self-tightening device of the inclined shaft transport vehicle of the present application;

[0049] Figure 5 Figure 2 is a schematic diagram of the connection relationship structure of the self-tightening block and the sliding block of the rail-holding self-tightening device of the inclined shaft transport vehicle of the present application;

[0050] Figure 6 Figure 3 is a schematic diagram of the connection relationship structure of the spring pin and the transport vehicle of the rail-holding self-tightening device of the inclined shaft transport vehicle of the present application;

[0051] Figure 7 Figure 4 is a schematic diagram of the connection relationship structure of the connecting rod and the transport vehicle of the rail-holding self-tightening device of the inclined shaft transport vehicle of the present application.

[0052] In the figure: 100, transport vehicle assembly; 101, transport vehicle; 102, guide rail; 103, traction rope; 105, fixed buckle; 106, moving wheel; 107, connecting rod; 108, pulley;

[0053] 200, self-tightening assembly; 201, sliding block; 202, fixed plate; 203, tension spring; 204, rope; 205, pushing plate; 206, self-tightening block; 207, movable plate; 208, sliding plate; 209, rack; 210, spring pin; 211, baffle; 212, fixed rod; 213, movable rod; 214, support plate; 215, gear. DETAILED DESCRIPTION

[0054] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which preferred embodiments of the present application are shown. The present application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and fully convey the scope of the application to those skilled in the art.

[0055] It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.

[0056] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0057] AsFigures 1 to 7 As shown, the application provides a kind of inclined shaft transport car derailment self-tightening device, including transport car assembly 100, transport car assembly 100 includes transport car 101, guide rail 102, traction rope 103 and moving wheel 106, transport car 101 moves on guide rail 102, traction rope 103 is used to pull transport car 101 movement, moving wheel 106 is located at the bottom of transport car 101, moving wheel 106 and guide rail 102 contact;It also includes self-tightening assembly 200;Self-tightening assembly 200 includes sliding block 201, fixed plate 202, tension spring 203, rope 204, push plate 205, self-tightening block 206, movable plate 207, sliding plate 208, rack 209 and gear 215;Sliding block 201 and movable plate 207 are slidably connected at the lower side of transport car 101 respectively, sliding block 201 is located between two guide rails 102, movable plate 207 is located outside two guide rails 102;Sliding block 201 and movable plate 207 are fixed with self-tightening block 206 towards the side of guide rail 102, self-tightening block 206 is located on both sides of guide rail 102, when traction rope 103 breaks, self-tightening block 206 and guide rail 102 are attached to make transport car 101 stop moving on guide rail 102;Tension spring 203 is provided with a plurality of, tension spring 203 is fixed between fixed plate 202 and sliding plate 208, sliding plate 208 is slidably connected at the lower side of transport car 101;Sliding plate 208 and push plate 205 are fixedly connected by rope 204, the other side of push plate 205 is fixed with traction rope 103, when transport car 101 moves, traction rope 103 pulls push plate 205, push plate 205 is pulled longer by rope 204 Tension spring 203, when traction rope 103 breaks, under the action of tension spring 203, sliding plate 208 slides at the bottom of transport car 101, and pull push plate 205 sliding by rope 204;Push plate 205 is slidably connected between sliding block 201, the contact surface of push plate 205 and sliding block 201 is inclined surface, when push plate 205 slides, it will push two sides sliding block 201 towards guide rail 102, so that self-tightening block 206 on moving block and guide rail 102 contact;At the same time, movable plate 207 and sliding block 201 are connected by rack 209 and gear 215, when sliding block 201 moves towards guide rail 102, movable plate 207 will also move towards guide rail 102, in turn make self-tightening block 206 on movable plate 207 and sliding block 201 From both sides of guide rail 102 clamp guide rail 102.

[0058] Preferably, two spring pins 210 are fixed at the bottom of the transport vehicle 101; the spring pins 210 are respectively located between the movable plate 207 and the sliding block 201; the two ends of the spring pins 210 respectively abut against the side walls of the movable plate 207 and the sliding block 201; when the traction rope 103 pulls the transport vehicle 101 to move normally, the push plate 205 is located at the front end, at this time, the sliding block 201 and the movable plate 207 are fixed at a position away from the guide rail 102 under the action of the spring pins 210, thereby avoiding the self-tightening blocks 206 on the sliding block 201 and the movable plate 207 from contacting the guide rail 102 in the normal driving state of the transport vehicle 101.

[0059] Preferably, the spring of the spring pin 210 is located at the middle position, the push rods at the two ends of the spring pin 210 simultaneously contact the sliding block 201 and the movable plate 207, so that the distance between the sliding block 201 and the movable plate 207 and the guide rail 102 remains the same, when the traction rope 103 breaks, the self-tightening blocks 206 on both sides of the guide rail 102 can provide the same pressure when clamping the guide rail 102, so as to ensure that the transport vehicle 101 does not lose balance when braking due to the different forces applied by the self-tightening blocks 206 on both sides to the guide rail 102, and the transport vehicle 101 remains stable when braking.

[0060] Preferably, a fixed rod 212 is fixed on the fixed plate 202, and a movable rod 213 is fixed on the sliding plate 208; the fixed rod 212 is a hollow cylindrical rod; the movable rod 213 is slidably and fixedly connected in the fixed rod 212; the tension spring 203 is sleeved on the fixed rod 212; when the transport vehicle 101 normally drives, the traction rope 103 pulls the push plate 205 to move to the front end, the push plate 205 pulls the sliding plate 208 to slide through the rope 204, and the tension spring 203 is elongated, the movable rod 213 located on the sliding plate 208 slides out of the fixed rod 212, and the movable rod 213 and the fixed rod 212 support the tension spring 203; when the traction rope 103 breaks, the tension spring 203 resets under the action of its own elastic force, and pulls the push plate 205 to move through the rope 204.

[0061] Preferably, two pairs of T-shaped grooves are formed at the bottom of the transport vehicle 101, and the sliding block 201 and the movable plate 207 are slidably connected in the T-shaped grooves; the sliding block 201 and the movable plate 207 are fixed with a connecting rod 107, and the connecting rod 107 is a T-shaped rod; the sliding block 201 and the movable plate 207 are fixed in the T-shaped grooves at the bottom of the transport vehicle 101 through the connecting rod 107, so that the sliding block 201 and the movable plate 207 can slide at the bottom of the transport vehicle 101 and can be fixed at the bottom of the transport vehicle 101.

[0062] Preferably, two pairs of racks 209 are fixed on the adjacent sides of the movable plate 207 and the sliding block 201; the gear 215 is rotatably fixed at the bottom of the transport vehicle 101; the gear 215 is located between the two racks 209, and the gear 215 and the racks 209 are in engagement; when the sliding block 201 moves towards the guide rail 102, the rack 209 located on the sliding block 201 drives the gear 215 to rotate, and the gear 215 and the rack 209 on the movable plate 207 are in engagement, so that the rack 209 on the movable plate 207 drives the movable plate 207 to move towards the guide rail 102.

[0063] Preferably, the pushing plate 205 is an isosceles trapezoidal plate, the pushing plate 205 is located at the middle position of the bottom of the transport vehicle 101, and the sliding block 201 is two trapezoidal blocks which are symmetrically arranged on the two sides of the pushing plate 205.

[0064] Preferably, the fixed plate 202 is a rectangular plate, the fixed plate 202 is fixedly connected to the lower side of the transport vehicle 101; the fixed plate 202 is located between the two moving wheels 106; the sliding plate 208 and the fixed plate 202 are the same in shape and size, and the fixed plate 202 and the sliding plate 208 are used for fixing the tension spring 203.

[0065] Preferably, the number of the tension spring 203 can be set to 5-7, and the tension spring 203 is arranged and fixed on the fixed plate 202 and the sliding plate 208; in the case that the traction rope 103 is broken and the transport vehicle 101 carries a large load, the tension spring 203 can provide sufficient pulling force to move the pushing plate 205, and the self-tightening block 206 on the movable plate 207 and the sliding block 201 can clamp the guide rail 102, so that the transport vehicle 101 can stop on the guide rail 102 in the inclined shaft.

[0066] Preferably, the fixed buckle 105 is fixed at the bottom of the transport vehicle 101; the fixed buckle 105 is provided with a through circular hole, and the traction rope 103 passes through the circular hole of the fixed buckle 105; when the traction rope 103 is pulled to move the transport vehicle 101, the fixed buckle 105 can fix the traction rope 103 to avoid the left and right swinging of the traction rope 103.

[0067] Preferably, the traction rope 103 is fixed on the pushing plate 205 through a lock buckle, and the traction rope 103 and the pushing plate 205 are connected and fastened by twisting the bolt on the lock buckle, so as to prevent the traction rope 103 from being disconnected at the connection with the pushing plate 205; the two ends of the rope 204 are fixed on the sliding plate 208 and the pushing plate 205 through a lock buckle, so as to make the two ends of the rope 204 and the sliding plate 208 and the pushing plate 205 more firmly connected, and prevent the rope 204 from being separated at the connection with the sliding plate 208 and the pushing plate 205.

[0068] Preferably, the pushing plate 205 and the sliding block 201 are provided with grooves on the contact surface; a pair of pulleys 108 are rotatably connected to the grooves on both sides of the pushing plate 205; the pulleys 108 are in contact with the bottom of the groove on the side wall of the sliding block 201, so that the pushing plate 205 and the sliding block 201 can be in the same plane; when the pushing plate 205 moves, the pulleys 108 on the pushing plate 205 will roll in the groove on the side wall of the sliding block 201, thereby reducing the friction when the sliding block 201 and the pushing plate 205 contact.

[0069] Preferably, a groove is formed in the middle of the bottom of the transport vehicle 101, and the pushing plate 205 is slidingly connected in the groove; the pushing plate 205 is pulled to slide in the groove by the traction rope 103 and the rope 204, so as to avoid shaking of the pushing plate 205 when sliding.

[0070] Preferably, a plurality of threaded holes are formed in the support plate 214, and the support plate 214 is fixedly connected to the sliding block 201 by bolts, so as to facilitate replacement of support plates of different sizes, and different numbers of self-tightening blocks 206 can be installed on support plates 214 of different sizes.

[0071] Preferably, the number of self-tightening blocks 206 on both sides of the guide rail 102 is the same, and the number of self-tightening blocks 206 fixed on the support plate 214 and the movable plate 207 is 5-8; in the state of carrying heavy objects, the self-tightening blocks 206 can provide sufficient friction when they are in contact with the side wall of the guide rail 102, so as to stop the transport vehicle 101 on the guide rail 102.

[0072] Preferably, the sliding block 201 is fixed with a baffle 211; the baffle 211 is located at both ends of the inclined edge of the sliding block 201, and the baffle 211 is used to limit the movement range of the pushing plate 205, so that the movement range of the pushing plate 205 is limited on the inclined edge of the sliding block 201.

[0073] Preferably, the self-tightening block 206 is a plurality of rectangular blocks; the self-tightening blocks 206 are fixedly connected to the sliding block 201 and the movable plate 207 by bolts; a rubber layer is fixedly attached to the contact surface between the self-tightening block 206 and the guide rail 102, which can increase the friction between the self-tightening block 206 and the guide rail 102; when the self-tightening block 206 is in contact with the guide rail 102 on both sides, the transport vehicle 101 can be stopped on the guide rail 102 and will not slide down the slope.

[0074] The inclined shaft transport vehicle rail-holding self-tightening device of the embodiment of the present application can be used in actual use:

[0075] When the traction rope 103 breaks, the sliding plate 208 moves towards the fixed plate 202 under the pulling force of the tension spring 203, the sliding plate 208 drives the pushing plate 205 to move towards the fixed plate 202 through the rope 204, the pushing plate 205 moves to push the sliding blocks 201 on both sides to move towards the guide rail 102, the gear rack 209 on the sliding blocks 201 drives the gear 215 to rotate, and then the gear 215 drives the gear rack 209 on the movable plate 207 to move, so that the movable plate 207 moves towards the guide rail 102, and then the self-tightening blocks 206 fixed on the movable plate 207 and the sliding blocks 201 simultaneously move towards the guide rail 102, the friction force between the self-tightening blocks 206 and the guide rail 102 makes the transport trolley 101 stop on the guide rail 102, and the forces applied by the self-tightening blocks 206 on the guide rail 102 on both sides are the same, so that the transport trolley 101 can keep stable when braking.

[0076] The preferred embodiments of the utility model are described above, and the utility model is not limited to the above. Those skilled in the art can make various changes and modifications to the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A self-tightening device for a slope transportation vehicle, comprising a transportation vehicle assembly (100), the transportation vehicle assembly (100) comprising a transportation vehicle (101), guide rails (102), a traction rope (103) and a moving wheel (106); further comprising a self-tightening assembly (200); the self-tightening assembly (200) comprising a sliding block (201), a fixed plate (202), a tension spring (203), a rope (204), a pushing plate (205), a self-tightening block (206), a movable plate (207), a sliding plate (208), a rack (209) and a gear (215); the sliding block (201) and the movable plate (207) are respectively slidably connected to the lower side of the transportation vehicle (101), the sliding block (201) is located between the two guide rails (102), and the movable plate (207) is located outside the two guide rails (102); the sliding block (201) and the movable plate (207) are both fixed with the self-tightening block (206) on the side facing the guide rail (102); the tension spring (203) is provided in plurality, the tension spring (203) is fixed between the fixed plate (202) and the sliding plate (208), and the sliding plate (208) is slidably connected to the lower side of the transportation vehicle (101); the sliding plate (208) and the pushing plate (205) are fixedly connected through the rope (204), and the pushing plate (205) is fixed with the traction rope (103) on the other side; the pushing plate (205) is slidably connected between the sliding blocks (201), and the contact surface between the pushing plate (205) and the sliding block (201) is an inclined surface; the movable plate (207) and the sliding block (201) are connected through the rack (209) and the gear (215). characterized in that two spring pins (210) are fixed to the bottom of the transportation vehicle (101); the spring pins (210) are respectively located between the movable plate (207) and the sliding block (201); the spring pins (210) are respectively abutted on the side walls of the movable plate (207) and the sliding block (201). a fixed rod (212) is fixed to the fixed plate (202), and a movable rod (213) is fixed to the sliding plate (208); the fixed rod (212) is a hollow cylindrical rod; the movable rod (213) is slidably and fixedly connected in the fixed rod (212); the tension spring (203) is sleeved on the fixed rod (212). two pairs of T-shaped grooves are formed in the bottom of the transportation vehicle (101), and the sliding block (201) and the movable plate (207) are slidably connected in the T-shaped grooves; 2. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 1, characterized in that a connecting rod (107) is fixed to the movable plate (207) and the sliding block (201); the connecting rod (107) is a T-shaped rod; the movable plate (207) and the sliding block (201) are fixed in the T-shaped grooves in the bottom of the transportation vehicle (101) through the connecting rod (107).

3. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 1, characterized in that two pairs of racks (209) are fixed to the adjacent sides of the movable plate (207) and the sliding block (201); the gear (215) is rotatably fixed to the bottom of the transportation vehicle (101). ​ ​ 4. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 2, characterized in that ​ ​ ​ ​ 5. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 1, characterized in that ​ ​ The gear (215) is located between two racks (209), the gear (215) and the rack (209) are engaged.

6. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 3, characterized in that The fixed plate (202) is a rectangular plate, and the fixed plate (202) is fixedly connected to the lower side of the conveying trolley (101). The fixed plate (202) is located between the two side moving wheels (106). The sliding plate (208) and the fixed plate (202) are the same in shape and size.

7. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 1, characterized in that The conveying trolley (101) is fixed with a fixed buckle (105) at the bottom. A through circular hole is formed in the fixed buckle (105), and the traction rope (103) passes through the circular hole in the fixed buckle (105). The traction rope (103) is fixed on the push plate (205) by a lock buckle. The both ends of the rope (204) are fixed on the sliding plate (208) and the push plate (205) by lock buckles.

8. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 1, characterized in that The push plate (205) and the sliding block (201) are provided with grooves on the contact surfaces. A pair of pulleys (108) are rotatably connected in the grooves on the both sides of the push plate (205). The pulleys (108) are in contact with the groove bottoms on the side walls of the sliding block (201).

9. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 8, characterized in that The sliding block (201) is fixed with a baffle (211). The baffle (211) is located at the two ends of the inclined edge of the sliding block (201), and the baffle (211) is used for limiting the movement range of the push plate (205).

10. A derailment self-tightening device for an inclined shaft transport vehicle according to claim 1, characterized in that The self-tightening blocks (206) are a plurality of rectangular blocks. The self-tightening blocks (206) are fixedly connected to the sliding block (201) and the movable plate (207) by bolts respectively. A rubber layer is attached and fixed on the contact surface between the self-tightening blocks (206) and the guide rail (102).

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