Mine monorail crane vehicle anti-collision protection device

Abstract

The utility model relates to the technical field of coal mine construction underground safety, and specifically discloses a mine monorail crane trolley anti -collision protection device, which comprises: a mounting plate, the surface of the mounting plate is fixedly connected with an adjusting cavity, a bearing plate is arranged in front of the adjusting cavity, one side of the top of the bearing plate is fixedly connected with an extrusion cavity, an extrusion rod is slidably arranged in the extrusion cavity and penetrates through the extrusion cavity, one side of the surface of the extrusion rod is fixedly sleeved with an extrusion disc, one side of the extrusion disc is fixedly connected with a compression spring, one end of the extrusion rod close to the mounting plate is fixedly connected with an inclined plate, and one side of the inclined plate is fixedly connected with a sliding block; the utility model is characterized in that the adjusting cavity, the bearing plate, the hydraulic ball valve, the extrusion cavity, the inclined plate, the valve rod, the compression spring and the extrusion disc are used in combination, so that if the monorail crane trolley accidentally collides with an object during driving, the device as a whole can be suddenly stopped, and the valve rod can be automatically reset after the obstacle is removed, thereby reducing the intervention of the staff.

Description

Technical Field

[0001] This utility model belongs to the field of underground safety technology in coal mine construction, and specifically relates to a collision protection device for a mine monorail crane. Background Technology

[0002] Coal mine construction is a complex and high-risk process involving multiple key aspects, requiring comprehensive planning and strict control in terms of construction preparation, technology, safety, environmental protection, and management. Mining monorail cranes are special mining machinery that use a track suspended above the tunnel ceiling as their operating basis, driven by an explosion-proof power unit to achieve efficient transportation of materials, equipment, and personnel. During operation, monorail cranes are often subject to collisions due to external factors. Damage to these collisions can disrupt material transport, delaying work progress. Therefore, anti-collision protection devices are necessary. However, some existing anti-collision devices have certain shortcomings and require improvement.

[0003] Chinese patent CN223045721 U discloses a collision protection device for a mining monorail crane, belonging to the field of underground safety technology. The device includes two fixed supports, one at the front and one at the rear of the monorail crane. Each support has a hydraulic ball valve fixedly mounted on it. The inlet and outlet of the hydraulic ball valve are connected to a brake cylinder via hydraulic pipes. The control handle of the hydraulic ball valve is vertically positioned and fixedly connected to a contact rod. The end of the contact rod away from the control handle extends away from the monorail crane. Under impact, the contact rod moves towards the monorail crane, simultaneously actuating the control handle to open the hydraulic ball valve. This opens the brake cylinder, enabling immediate stopping and reducing the risk of accidents. The device avoids collisions and features a simple overall structure, easy installation and use, low operating costs, a simple trigger control method, faster response speed, and higher safety performance.

[0004] However, while the above-mentioned technical solution can achieve the purpose of collision avoidance, in actual use, after the collision avoidance device is triggered, the control handle needs to be manually reset. In the dark, narrow and potentially dangerous environment of underground coal mines, some monorail cranes are installed at high positions, and manual reset may be inconvenient, especially in emergency situations, which may delay the restart and operation of the monorail crane. Therefore, it needs to be improved. Utility Model Content

[0005] The purpose of this utility model is to provide a collision protection device for mining monorail cranes to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A collision avoidance protection device for a mining monorail crane includes: a mounting plate, an adjustment cavity fixedly connected to the surface of the mounting plate, a bearing plate disposed in front of the adjustment cavity, a compression cavity fixedly connected to one side of the top of the bearing plate, a compression rod slidingly passing through the inside of the compression cavity, a compression disc fixedly fitted to one side of the surface of the compression rod, a compression spring fixedly connected to one side of the compression disc, and the end of the compression spring away from the compression disc being fixedly connected to one side of the inner wall of the compression cavity, an inclined plate fixedly connected to the end of the compression rod near the mounting plate, and a sliding block fixedly connected to one side of the inclined plate.

[0008] Preferably, a hydraulic ball valve is fixedly connected to one side of the middle part of the top of the bearing plate, a valve stem is rotatably provided on one side of the hydraulic ball valve, and a hydraulic oil pipe is fixed inside the hydraulic ball valve and passes through it.

[0009] Preferably, the valve stem has a sliding groove inside, and the sliding block slides inside the sliding groove. Limiting grooves are provided on both sides of the inner wall of the sliding groove.

[0010] Preferably, limit blocks are fixedly connected to both sides of the sliding block, and the limit blocks slide inside the limit groove.

[0011] Preferably, a support block is fixedly connected to the top of the adjustment cavity, a lead screw is rotatably installed inside the support block, and a rotating block is fixedly connected to the top of the lead screw.

[0012] Preferably, the lead screw has a threaded sleeve that passes through its surface, a movable block is fixedly connected to the surface of the threaded sleeve, and one side of the bearing plate is fixedly connected to the surface of the movable block.

[0013] Preferably, guide grooves are provided on both sides of the inner wall of the adjustment cavity, and the moving block slides inside the guide grooves.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] (1) Through the automatic reset mechanism of the compression spring, after the obstacle is cleared, the compression spring pushes the extrusion plate and extrusion rod to reset, thereby driving the tilting plate and sliding block to return to their original positions, so that the valve stem automatically closes the hydraulic ball valve. This design reduces the tediousness and safety hazards of manual reset, especially in the dark, narrow and potentially dangerous environment of underground coal mines, avoiding delays or accident risks caused by reset operations, and significantly improving the operating efficiency of the monorail crane.

[0016] (2) This utility model enables workers to flexibly adjust the height of the bearing plate according to the actual installation position of the monorail crane or the roadway conditions. When the monorail crane is installed at a high position, the height of the bearing plate can be lowered by rotating the rotating block, which is convenient for maintenance and operation. When the roadway roof is low, the bearing plate can be raised to avoid collision. This adjustability not only improves the versatility of the device, but also ensures the stable operation of the anti-collision protection device in complex underground environments. Attached Figure Description

[0017] Figure 1 This is a perspective view of the present utility model;

[0018] Figure 2 This is a cross-sectional view of the extrusion chamber of this utility model;

[0019] Figure 3 This is a perspective view of the sliding block of this utility model;

[0020] In the diagram: 1. Mounting plate; 2. Adjusting chamber; 3. Bearing plate; 4. Extrusion chamber; 5. Extrusion rod; 6. Extrusion disc; 7. Compression spring; 8. Inclined plate; 9. Sliding block; 10. Hydraulic ball valve; 11. Valve stem; 12. Sliding groove; 13. Hydraulic oil pipe; 14. Support block; 15. Rotating block; 16. Lead screw; 17. Moving block; 18. Guide groove; 19. Limiting groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1:

[0023] Please see Figures 1 to 3 As shown, a collision protection device for a mining monorail crane includes a mounting plate 1. An adjustment cavity 2 is fixedly connected to the surface of the mounting plate 1. A bearing plate 3 is provided in front of the adjustment cavity 2. A compression cavity 4 is fixedly connected to one side of the top of the bearing plate 3. A compression rod 5 slides through the inside of the compression cavity 4. A compression disc 6 is fixedly sleeved on one side of the surface of the compression rod 5. A compression spring 7 is fixedly connected to one side of the compression disc 6. The end of the compression spring 7 away from the compression disc 6 is fixedly connected to one side of the inner wall of the compression cavity 4. An inclined plate 8 is fixedly connected to the end of the compression rod 5 near the mounting plate 1. A sliding block 9 is fixedly connected to one side of the inclined plate 8.

[0024] The installation plate 1 is used to fix the entire device. The installation plate 1 is pre-welded and fixed to the monorail crane. The adjustment cavity 2 is used to adjust the height of the bearing plate 3. The bearing plate 3 is used to support the structure above it. The extrusion cavity 4 is used to allow the extrusion rod 5 to slide and pass through its interior. When the extrusion rod 5 is extruded, it extrudes the extrusion disc 6. The extrusion disc 6 is slidably connected to the inner wall of the extrusion cavity 4. After the extrusion disc 6 is extruded, it extrudes the compression spring 7, compressing it. At the same time, the extrusion rod 5 moves backward, which in turn drives the inclined plate 8 to move backward, thereby causing the sliding block 9 of the inclined plate 8 to move backward.

[0025] A hydraulic ball valve 10 is fixedly connected to one side of the middle part of the top of the bearing plate 3. A valve stem 11 is rotatably provided on one side of the hydraulic ball valve 10. A hydraulic oil pipe 13 is fixed inside the hydraulic ball valve 10 and passes through it.

[0026] The hydraulic ball valve 10 is configured such that the valve stem 11 can rotate to one side. When the valve stem 11 is opened, the hydraulic ball valve 10 is in the open state. The hydraulic ball valve 10 is connected to the brake cylinder of the monorail crane's braking system via the hydraulic oil pipe 13. This technology is existing technology and will not be described in detail. When the hydraulic ball valve 10 is open, the brake cylinder is activated, achieving immediate stopping.

[0027] The valve stem 11 has a sliding groove 12 inside, and the sliding block 9 slides inside the sliding groove 12. Limiting grooves 19 are provided on both sides of the inner wall of the sliding groove 12.

[0028] The opening of the sliding groove 12 allows the sliding block 9 to slide inside it. The sliding block 9 slides inside and directly contacts the valve stem 11, causing the valve stem 11 to rotate at a certain angle, thereby opening the hydraulic ball valve 10. After the compression spring 7 returns to its original position, the squeeze rod 5 returns to its original position, causing it to pull the inclined plate 8 and the sliding block 9, thereby causing the valve stem 11 to return to its original position.

[0029] Limiting blocks are fixedly connected to both sides of the sliding block 9, and the limiting blocks slide inside the limiting groove 19.

[0030] The opening of the limiting groove 19 allows the limiting block to slide inside it, thereby making the sliding block 9 more stable when sliding.

[0031] A support block 14 is fixedly connected to the top of the adjustment cavity 2. A lead screw 16 is rotatably installed inside the support block 14. A rotating block 15 is fixedly connected to the top of the lead screw 16.

[0032] The support block 14 allows the lead screw 16 to rotate inside it, and the rotating block 15 makes it easy for the operator to rotate the lead screw 16.

[0033] A threaded sleeve is threaded through the surface of the lead screw 16, and a movable block 17 is fixedly connected to the surface of the threaded sleeve. One side of the bearing plate 3 is fixedly connected to the surface of the movable block 17.

[0034] When the lead screw 16 rotates, it drives the threaded sleeve to move up or down, which in turn causes the moving block 17 to move up or down, and then drives the bearing plate 3 to move up or down, thereby achieving the purpose of adjusting the height of the bearing plate 3.

[0035] Guide grooves 18 are provided on both sides of the inner wall of the adjustment cavity 2, and the moving block 17 slides inside the guide grooves 18.

[0036] The opening of the guide groove 18 enables the moving block 17 to play a certain guiding role when it moves.

[0037] The working principle of this utility model is as follows: The operator first fixes the mounting plate 1 to the monorail crane by welding. Then, the rotating block 15 is rotated, and the lead screw 16 rotates. When the lead screw 16 rotates, it drives the threaded sleeve on its surface to move downward. At the same time, the threaded sleeve drives the moving block 17 to move downward, thereby moving the bearing plate 3 downward. After moving to the appropriate position, when the monorail crane collides with an object during its movement, the pressing rod 5 is in contact with the object. Then, the pressing rod 5 is compressed, causing it to press the pressing disc 6. When the pressing disc 6 is compressed, it compresses the compression spring 7. Then, the other end of the pressing rod 5 drives the inclined plate 8 and the sliding block 9 to move backward. During the movement, the sliding block 9 causes the valve stem 11 to swing at a certain angle. At this time, the valve stem 11 opens the hydraulic ball valve 10, thereby activating the brake cylinder and achieving the purpose of timely stopping. After the obstacle is cleared, the compression spring 7 automatically resets, allowing the valve stem 11 to return to the initial position without the need for the operator to manually reset the valve stem 11.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A collision protection device for a mining monorail crane, characterized in that, include: Mounting plate (1), the surface of which is fixedly connected to adjustment cavity (2), a bearing plate (3) is provided in front of adjustment cavity (2), a pressing cavity (4) is fixedly connected to one side of the top of bearing plate (3), a pressing rod (5) slides through the inside of pressing cavity (4), a pressing disc (6) is fixedly sleeved on one side of the surface of pressing rod (5), a compression spring (7) is fixedly connected to one side of pressing disc (6), and the end of the compression spring (7) away from pressing disc (6) is fixedly connected to one side of the inner wall of pressing cavity (4), an inclined plate (8) is fixedly connected to one end of pressing rod (5) near mounting plate (1), and a sliding block (9) is fixedly connected to one side of inclined plate (8).

2. The anti-collision protection device for a mining monorail crane according to claim 1, characterized in that: A hydraulic ball valve (10) is fixedly connected to one side of the middle part of the top of the bearing plate (3). A valve stem (11) is rotatably provided on one side of the hydraulic ball valve (10). A hydraulic oil pipe (13) is fixed inside the hydraulic ball valve (10).

3. The anti-collision protection device for a mining monorail crane according to claim 2, characterized in that: The valve stem (11) has a sliding groove (12) inside, and the sliding block (9) slides inside the sliding groove (12). Limiting grooves (19) are provided on both sides of the inner wall of the sliding groove (12).

4. The anti-collision protection device for a mining monorail crane according to claim 3, characterized in that: Both sides of the sliding block (9) are fixedly connected to limit blocks, and the limit blocks slide inside the limit groove (19).

5. The anti-collision protection device for a mining monorail crane according to claim 1, characterized in that: A support block (14) is fixedly connected to the top of the adjustment cavity (2), and a lead screw (16) is rotatably installed inside the support block (14). A rotating block (15) is fixedly connected to the top of the lead screw (16).

6. The anti-collision protection device for a mining monorail crane according to claim 5, characterized in that: The screw (16) has a threaded sleeve through its surface, and a movable block (17) is fixedly connected to the surface of the threaded sleeve. One side of the bearing plate (3) is fixedly connected to the surface of the movable block (17).

7. A mine monorail crane anti-collision protection device according to claim 6, characterized in that: The inner wall of the adjustment cavity (2) is provided with guide grooves (18) on both sides, and the moving block (17) slides inside the guide grooves (18).

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