Anti-collision device for underground coal mine trackless rubber-tyred vehicle

Abstract

The utility model relates to the field of underground coal mine trackless rubber-tyred vehicles, in particular to an underground coal mine trackless rubber-tyred vehicle anti-collision device which comprises a vehicle body and a main laser radar, an AEB controller is fixedly connected to the upper surface of the vehicle body, and an AEB alarm displayer is fixedly installed on the upper surface of the vehicle body; the main laser radar is arranged right in front of the vehicle body, the auxiliary laser radars are arranged on the two sides of the vehicle, when the vehicle runs, the periphery and the front of the vehicle body can be detected through the main laser radar and the auxiliary laser radars, and when the front target is smaller than the safe distance, the auxiliary laser radars are arranged on the front side and the back side of the vehicle body. Warning is carried out through the AEB alarm display, after the system carries out early warning, if a driver does not take effective measures in time, the system will automatically start emergency braking, the vehicle is decelerated to achieve the emergency braking function until the danger is removed, and the rear-end collision accident rate caused by fatigue driving, carelessness, inattention, mistaken taking of an accelerator as a brake and the like can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of trackless rubber-tyred vehicles in coal mines, and specifically relates to an anti-collision device for trackless rubber-tyred vehicles in coal mines. Background Technique

[0002] In modern large coal mines, the extensive application of trackless rubber-tyred vehicles in the underground plays an important role in modern safe, high-yield and efficient mines.

[0003] When working in the dim underground, it is inevitable that the operator cannot observe the road conditions ahead, there are certain vision blind spots, and safety accidents are likely to occur.

[0004] The anti-collision system for trackless rubber-tyred vehicles in coal mines is developed jointly with manufacturers of automatic anti-collision system solutions for road vehicles. Its components are made explosion-proof and flameproof, meeting the relevant requirements of GB / T3836, and can be used normally in explosive gas environments where the gas concentration is less than 1% and in gas outburst mines and areas with a gas concentration less than 0.5% in gas outburst areas. Its purpose is to solve safety problems such as driving collisions caused by the dim sight and vision blind spots of trackless rubber-tyred vehicles in coal mines.

[0005] Therefore, a new solution needs to be proposed to solve this problem. Content of the Utility Model

[0006] Aiming at the deficiencies and defects in the prior art in the above background technique that when the operator works underground, there are dim sight and vision blind spots.

[0007] An anti-collision device for trackless rubber-tyred vehicles in coal mines disclosed by the utility model includes a vehicle body and a main lidar. The upper surface of the vehicle body is fixedly connected with an AEB controller, the upper surface of the vehicle body is fixedly installed with an AEB alarm display, auxiliary lidars are fixedly installed on both the front and back of the vehicle body, two proportional oil valves are fixedly connected to the bottom surface of the vehicle body, an oil control module is arranged on the bottom surface of the vehicle body, and a vehicle speed sensor is fixedly installed on the bottom surface of the vehicle body.

[0008] Furthermore, a dump truck is arranged on the upper surface of the vehicle body, a mounting block is fixedly connected to the left side surface of the vehicle body, a sliding member is slidably connected to the inner wall of the mounting block, and the bottom surface of the main lidar is fixedly connected to the upper surface of the sliding member.

[0009] Furthermore, two first sliding grooves are formed in the left side surface of the mounting block, and a first sliding block is slidably connected to the inner wall of each first sliding groove. The outer surface of each first sliding block is fixedly connected to the outer surface of the sliding member.

[0010] Furthermore, a strip-shaped block is fixedly connected to the bottom surface of the mounting block. A second sliding groove is formed in the bottom surface of the strip-shaped block, and two second sliding blocks are slidably connected to the inner wall of the second sliding groove.

[0011] Furthermore, a fixing block is fixedly connected to the inner wall of the second sliding groove. A bidirectional threaded rod is rotatably connected to the inner wall of the fixing block. The inner wall of each second sliding block is threadedly connected to the outer surface of the bidirectional threaded rod.

[0012] Furthermore, a support block is fixedly connected to the upper surface of each second sliding block. A clamping block is fixedly connected to the inner wall of each support block. The outer surface of each clamping block is slidably connected to the inner wall of the corresponding first sliding block.

[0013] Furthermore, two limiting grooves are formed in the mounting block. The outer surface of the corresponding support block is slidably connected to the inner wall of each limiting groove.

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

[0015] 1. By providing components such as a main lidar, a secondary lidar, a vehicle speed sensor, a proportional oil valve, an oil control module, an AEB alarm display, and an AEB controller, the main lidar is arranged directly in front of the vehicle body, and the secondary lidar is arranged on both sides of the vehicle. When the vehicle is driving, the main and secondary lidars can detect the surrounding and front of the vehicle body. When the target in front is less than the safe distance, an alarm is given through the AEB alarm display. After the system warns, if the driver fails to take effective measures in time, the system will automatically activate emergency braking to decelerate the vehicle to achieve the emergency braking function until the danger is eliminated, which can greatly reduce the rear-end collision accident rate caused by fatigue driving, carelessness, inattention, mistaking the accelerator for the brake, etc.

[0016] 2. By providing components such as a first sliding block, a second sliding block, a bidirectional threaded rod, and a clamping block, moving the main lidar drives the sliding member to move, the sliding member drives the first sliding block to move inside the first sliding groove, rotating the bidirectional threaded rod drives the corresponding second sliding block to move, the second sliding block drives the corresponding support block to move, and the support block drives the corresponding clamping block to be connected to the first sliding block, achieving the installation effect of the sliding member, and further achieving the installation effect of the main lidar. Conversely, disassembly can be achieved, so that the device can be overhauled and maintained by quickly installing and disassembling the main lidar, preventing excessive dust accumulation inside the main lidar and affecting its service life. Description of the Drawings

[0017] The accompanying drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:

[0018] Figure 1 is a schematic three-dimensional structure diagram of the whole of the utility model;

[0019] Figure 2 is a schematic structural diagram of the connection relationship between the vehicle body and the vehicle speed sensor of the utility model;

[0020] Figure 3 is a schematic structural diagram of the connection relationship between the mounting block and the sliding member of the utility model;

[0021] Figure 4 is a schematic structural diagram of the connection relationship between the bidirectional threaded rod and the second sliding block of the utility model.

[0022] In the figure: 1. Vehicle body; 2. Mounting block; 3. Sliding member; 4. Main lidar; 5. Sub-lidar; 6. Vehicle speed sensor; 7. Proportional oil valve; 8. Oil control module; 9. AEB alarm display; 10. AEB controller; 11. Hopper; 12. First sliding groove; 13. First sliding block; 14. Strip-shaped block; 15. Second sliding groove; 16. Second sliding block; 17. Fixed block; 18. Bidirectional threaded rod; 19. Support block; 20. Clamping block; 21. Limiting groove. Detailed implementation manners

[0023] The following will disclose multiple implementation manners of the present utility model by means of illustrations. For the sake of clarity, many physical details will be described together in the following narrative. However, it should be understood that these physical details are not used to limit the present utility model. That is to say, in some implementation manners of the present utility model, these physical details are unnecessary. In addition, for the purpose of simplifying the illustrations, some conventional structures and components will be shown in a simple schematic manner in the illustrations.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4, An anti-collision device for a trackless rubber-tired vehicle in a coal mine, which includes a vehicle body 1 and a main lidar 4. The upper surface of the vehicle body 1 is fixedly connected with an AEB controller 10. The AEB controller 10 is installed on the upper surface of the vehicle body 1. Through the AEB controller 10, the vehicle speed and the distance to the obstacle can be collected, the driver's driving behavior can be judged. When an obstacle appears at a set distance and the driver does not decelerate, the driver will be prompted. If the system judges that a collision may occur, it will actively take deceleration actions. In an emergency, it will automatically control the front and rear wheel brakes. The upper surface of the vehicle body 1 is fixedly installed with an AEB alarm display 9. The AEB alarm display 9 is also installed on the upper surface of the vehicle body 1. When the vehicle is driving and the distance to the front target is less than the safe distance, the system immediately emits a warning sound through the AEB alarm display 9, and the sound and light alarm reminds the driver to take measures to avoid a collision.

[0025] Combined with Figure 1 and Figure 2 , auxiliary lidars 5 are fixedly installed on both the front and back of the vehicle body 1. The main lidar 4 is installed directly in front of the vehicle body 1, and the auxiliary lidars 5 are installed on both sides of the vehicle body 1. The maximum static detection distance of the lidar reaches 260 meters, and the distance resolution can reach 0.1 meter. Two proportional oil valves 7 are fixedly connected to the bottom surface of the vehicle body 1. The proportional oil valves 7 are installed on the vehicle body 1 as an oil circuit execution unit. When the system needs to control deceleration or braking, the AEB controller 10 controls the opening and closing size of the proportional oil valve 7 through a pulse signal, and then controls the hydraulic oil flow of the braking system to achieve deceleration or braking.

[0026] In a preferred embodiment, an oil control module 8 is provided on the bottom surface of the vehicle body 1. The oil control module 8 is installed on the vehicle body 1. A vehicle speed sensor 6 is fixedly installed on the bottom surface of the vehicle body 1, which is convenient for calibrating the vehicle speed through the vehicle speed sensor 6.

[0027] In this embodiment, a car body 1 is provided with a car hopper 11 on its upper surface. An installation block 2 is fixedly connected to the left side surface of the vehicle body 1. The installation block 2 is installed on the left side surface of the vehicle body 1 to achieve the positioning and installation effect of the installation block 2. A sliding part 3 is slidably connected to the inner wall of the installation block 2. The upper surface of the sliding part 3 is fixedly connected to the bottom surface of the main lidar 4. By fixing the sliding part 3 and connecting the main lidar 4 to the sliding part 3, the positioning effect of the main lidar 4 is achieved.

[0028] In a preferred embodiment, two first sliding grooves 12 are formed in the left side surface of the mounting block 2, and the first sliding grooves 12 are positioned by the mounting block 2. A first sliding block 13 is slidably connected to the inner wall of each first sliding groove 12. The first sliding block 13 is placed inside the corresponding first sliding groove 12, and the first sliding block 13 is limited by the contour of the first sliding groove 12. The outer surface of each first sliding block 13 is fixedly connected to the outer surface of the sliding member 3. The first sliding block 13 is connected to the corresponding sliding member 3, thereby realizing secondary limitation of the sliding member 3.

[0029] As Figure 4 shown, a strip-shaped block 14 is fixedly connected to the bottom surface of the mounting block 2. A second sliding groove 15 is formed in the bottom surface of the strip-shaped block 14. The strip-shaped block 14 is mounted on the bottom surface of the mounting block 2 to realize the positioning and mounting effect of the strip-shaped block 14. The second sliding groove 15 is positioned by the strip-shaped block 14. Two second sliding blocks 16 are slidably connected to the inner wall of the second sliding groove 15. The second sliding blocks 16 are placed inside the corresponding second sliding grooves 15 and are slidably connected to each other. The second sliding blocks 16 are limited by the second sliding groove 15.

[0030] In this embodiment, a fixing block 17 is fixedly connected to the inner wall of the second sliding groove 15. The fixing block 17 is placed on the inner wall of the second sliding groove 15 and is fixedly connected to the inner wall of the second sliding groove 15 to realize the positioning effect of the fixing block 17. A bidirectional threaded rod 18 is rotatably connected to the inner wall of the fixing block 17. The bidirectional threaded rod 18 is placed on the inner wall of the fixing block 17 and is rotatably connected to the inner wall of the fixing block 17 to realize the limiting effect of the bidirectional threaded rod 18. The inner wall of each second sliding block 16 is threadedly connected to the outer surface of the bidirectional threaded rod 18. The second sliding blocks 16 are mounted on the surface of the bidirectional threaded rod 18 and are threadedly connected to the bidirectional threaded rod 18. By rotating the bidirectional threaded rod 18, the relative movement of the two second sliding blocks 16 can be realized.

[0031] In a preferred embodiment, a support block 19 is fixedly connected to the upper surface of each second sliding block 16. The support block 19 is mounted on the upper surface of the second sliding block 16 to realize the positioning effect of the support block 19. A clamping block 20 is fixedly connected to the inner wall of each support block 19. The outer surface of each clamping block 20 is slidably connected to the inner wall of the corresponding first sliding block 13. The clamping block 20 is mounted on the inner wall of the corresponding support block 19 to realize the positioning and mounting effect of the clamping block 20. The corresponding first sliding block 13 is connected to the corresponding clamping block 20. By moving the second sliding block 16, the support block 19 can be driven to move. By the support block 19, the clamping block 20 can be driven to be connected to the first sliding block 13, thereby realizing the quick installation and disassembly effect of the main lidar 4.

[0032] In this embodiment, two limiting grooves 21 are formed inside the mounting block 2. By forming the limiting grooves 21 inside the mounting block 2, the positioning effect of the limiting grooves 21 is achieved. The inner wall of each limiting groove 21 is slidably connected to the outer surface of the corresponding support block 19. By connecting the support block 19 to the corresponding limiting groove 21, the limiting effect on the support block 19 is achieved through the limiting groove 21.

[0033] The above are only the embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. An anti-collision device for a trackless rubber-tyred vehicle in a coal mine, comprising a vehicle body (1) and a main lidar (4), characterized in that: The upper surface of the vehicle body (1) is fixedly connected with an AEB controller (10), the upper surface of the vehicle body (1) is fixedly installed with an AEB alarm display (9), the front and back surfaces of the vehicle body (1) are both fixedly installed with auxiliary lidars (5), the bottom surface of the vehicle body (1) is fixedly connected with two proportional oil valves (7), the bottom surface of the vehicle body (1) is provided with an oil control module (8), and the bottom surface of the vehicle body (1) is fixedly installed with a vehicle speed sensor (6).

2. The anti-collision device for trackless rubber-tyred vehicles in coal mines according to claim 1, characterized in that: A carriage (11) is arranged on the upper surface of the vehicle body (1), a mounting block (2) is fixedly connected to the left side surface of the vehicle body (1), a sliding member (3) is slidably connected to the inner wall of the mounting block (2), and the bottom surface of the main lidar (4) is fixedly connected to the upper surface of the sliding member (3).

3. The anti-collision device for trackless rubber-tyred vehicles in underground coal mines according to claim 2, wherein: Two first sliding grooves (12) are formed in the left side surface of the mounting block (2), a first sliding block (13) is slidably connected to the inner wall of each first sliding groove (12), and the outer surface of each first sliding block (13) is fixedly connected to the outer surface of the sliding member (3).

4. The anti-collision device for trackless rubber-tyred vehicles in underground coal mines according to claim 2, characterized in that: A strip-shaped block (14) is fixedly connected to the bottom surface of the mounting block (2), a second sliding groove (15) is formed in the bottom surface of the strip-shaped block (14), and two second sliding blocks (16) are slidably connected to the inner wall of the second sliding groove (15).

5. The anti-collision device for trackless rubber-tyred vehicles in underground coal mines according to claim 4, characterized in that: A fixed block (17) is fixedly connected to the inner wall of the second sliding groove (15), a bidirectional threaded rod (18) is rotatably connected to the inner wall of the fixed block (17), and the inner wall of each second sliding block (16) is threadedly connected to the outer surface of the bidirectional threaded rod (18).

6. The anti-collision device for trackless rubber-tyred vehicles in coal mines according to claim 4, wherein: The upper surface of each second sliding block (16) is fixedly connected with a support block (19), a clamping block (20) is fixedly connected to the inner wall of each support block (19), and the outer surface of each clamping block (20) is slidably connected to the inner wall of the corresponding first sliding block (13).

7. The anti-collision device for a trackless rubber-tyred vehicle in a coal mine according to claim 6, characterized in that: Two limiting grooves (21) are formed in the interior of the mounting block (2), and the outer surface of each support block (19) is slidably connected to the inner wall of the corresponding limiting groove (21).

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