Safety protection device for mining main roadway vehicle

By designing a multi-stage spring buffer system, the problem of inertial impact on drivers and passengers during overspeed braking of mine roadway cars was solved, achieving the dispersion and absorption of inertial impact force and providing more comprehensive safety protection.

CN223720888UActive Publication Date: 2025-12-26SHANXI HEQU JINSHEN CIYAOGOU COAL IND CO LTD
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Patent Information

Application Number
CN202520056637.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-26
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing safety protection devices for mine main roadway cars can cause discomfort or injury to drivers and passengers due to inertial impact during overspeed braking, especially at high speeds where seat belt locking may cause impact injuries.

Method used

Design a multi-stage spring buffer system, including components such as a slide bar, a C-shaped plate, a fixed column, and a limit bar, to reduce the injury to drivers and passengers from inertial impacts through multi-stage buffering and dispersion of impact force.

Benefits of technology

It effectively reduces the inertial impact force on drivers and passengers when the vehicle stops suddenly, providing comprehensive safety protection and avoiding discomfort and potential injury caused by inertial forward lurch.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety protection device for a mining main roadway truck, which relates to the technical field of mining main roadway trucks and comprises a first fixing frame, a supporting rod is fixedly mounted on the inner side wall of the first fixing frame, a second fixing frame is fixedly mounted at the end of the side, away from the first fixing frame, of the supporting rod, and sliding rods are slidably mounted at the two ends, away from the supporting rod, of the second fixing frame. A C-shaped plate is slidably mounted at the position, located in the second fixing frame, of the sliding rod, a third spring is fixedly mounted on the inner wall of the C-shaped plate, a third fixing ring is fixedly mounted at the end, away from the C-shaped plate, of the third spring, and the third fixing ring is fixedly mounted on the outer wall of the sliding rod. According to the utility model, through the design of the multi-stage spring, the multi-stage buffering of inertial impact force is realized, the impact force can be gradually absorbed and dispersed, the injury to a driver and passengers is effectively reduced, and more comprehensive and effective safety protection is provided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine large roadway car, concretely is a mine large roadway car safety device. BACKGROUND

[0002] In the mining process, as the key transport tool, the safety and stability of the large roadway car are directly related to the production efficiency of the mining area and the personal safety of the staff, but in the actual operation environment, due to the complex roadway conditions, the variable road conditions and the driving habits of the driver, the large roadway car overspeed driving occurs from time to time, this overspeed behavior not only violates the safety regulations, but also easily causes traffic accidents, which seriously threatens the safety of the mining area.

[0003] In view of this problem, at present, a variety of mine large roadway car safety devices have appeared on the market, which aims to improve the safety of vehicle driving through technical means, one of the safety protection mechanisms is to install the unhooking mechanism and the blocking rope system at the tail of the vehicle, realize the automatic braking when overspeed, when the large roadway car driving speed exceeds the preset safety threshold, the unhooking mechanism will respond quickly, unhooking action occurs and hooks the pre-set blocking rope, in the moment of hooking, the interaction between the unhooking mechanism and the blocking rope will produce a stopping force, reduce the speed, so as to effectively avoid the occurrence of traffic accidents.

[0004] But when the unhooking mechanism hooks the blocking rope and produces the stopping force, the personnel in the cab often produces a certain inertia forward, this action not only may cause the driver to feel uncomfortable, but also may trigger the effect to the safety belt locking device, if the speed is too fast, the stopping force is too large, the safety belt may cause certain impact injury to the driver in the process of instantaneous locking.

[0005] Therefore, the present application is proposed. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of mine large roadway car safety device to solve the problems in the above background.

[0007] In order to solve the above technical problems, the utility model provides a mine large roadway car safety protection device, fixed frame one is internally fixed with the support, the one side end portion of support away from fixed frame one is fixed with fixed frame two, the both ends of fixed frame two away from support are slidably installed with slide rod, the inside of slide rod in fixed frame two is slidably installed with C type board, the inner wall of C type board is fixed with spring three, the one end of spring three away from C type board is fixed with fixed ring three, fixed ring three is fixed on the outer wall of slide rod, the outer wall of one end of slide rod away from C type board is fixed with fixed ring two, the end of fixed ring two is fixed with spring two, the one end of spring two away from fixed ring two is fixed with fixed ring one, the inner wall of fixed frame two away from fixed ring two is fixed on the inner wall of fixed frame two.

[0008] Further, the inner side wall of the fixed frame one away from the support is fixed with a fixed column one, the one end of the fixed column one away from the fixed frame one is fixed with a spring one, the one end of the spring one away from the fixed column one is fixed with a top plate one, the inner side wall of the fixed frame one away from the fixed column one is fixed with a fixed column two, the one end of the fixed column two away from the fixed frame one is fixed with a spring four, the one end of the spring four away from the fixed frame one is fixed with a top plate two.

[0009] Further, the inner wall of the support is provided with a sliding groove one, the one end of the sliding groove one close to the fixed frame one is fixed with a spring five, the one end of the spring five away from the fixed frame one is fixed with a blocking column.

[0010] Further, the top of the fixed frame two is fixed with a limiting rod, and the limiting rod is internally provided with a sliding groove two.

[0011] Further, the top of the C type board is fixed with a fixed block, the top of the fixed block is fixed with a cushion, the end of the cushion is fixed with a rotating shaft, the outer wall of the rotating shaft is rotatably installed with a backrest, and the top of the backrest is slidably installed with a headrest.

[0012] Further, the bottom side end of the cushion is fixed with a sliding block, and the sliding block is internally fixed with a fixed rod.

[0013] Further, the bottom of the fixed frame one is fixed with a floor, and the side wall of the floor is fixed with a door.

[0014] Compared with the prior art, the utility model has the advantages that: through the design of multiple springs, multiple buffering of inertial impact force is realized, impact force can be gradually absorbed and dispersed, the harm to the driver and passenger is effectively reduced, and more comprehensive and effective safety protection is provided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1It is a buffering device structure schematic view of a mine large roadway car safety protection device;

[0016] Figure 2 It is a buffering device section structure schematic view of a mine large roadway car safety protection device;

[0017] Figure 3 It is a front structure schematic view of a mine large roadway car safety protection device;

[0018] Figure 4 It is a seat cushion bottom structure schematic view of a mine large roadway car safety protection device.

[0019] In the figure: 1, car door; 2, fixed frame one; 3, seat cushion; 4, pivot; 5, backrest; 6, headrest; 7, floor; 8, support rod; 9, fixed frame two; 10, C-shaped plate; 11, fixed column one; 12, spring one; 13, top plate one; 14, sliding rod; 15, fixed ring one; 16, spring two; 17, fixed ring two; 18, blocking column; 19, sliding groove one; 20, spring three; 21, spring four; 22, top plate two; 23, fixed column two; 24, spring five; 25, sliding block; 26, fixed rod; 27, fixed ring three; 28, sliding groove two; 29, limiting rod; 30, fixed block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figure 1 - Figure 4 The present application provides a technical solution: a mine large roadway car safety protection device, which comprises a fixed frame one 2, a support rod 8 is fixedly installed on the inner side wall of the fixed frame one 2, a fixed frame two 9 is fixedly installed on the side end of the support rod 8 away from the fixed frame one 2, a sliding rod 14 is slidingly installed on both ends of the fixed frame two 9 away from the support rod 8, a C-shaped plate 10 is slidingly installed inside the fixed frame two 9, a spring three 20 is fixedly installed on the inner wall of the C-shaped plate 10, a fixed ring three 27 is fixedly installed on the outer wall of the sliding rod 14, a fixed ring two 17 is fixedly installed on the outer wall of the sliding rod 14 away from the C-shaped plate 10, a spring two 16 is fixedly installed on the end of the fixed ring two 17, a fixed ring one 15 is fixedly connected to the end of the spring two 16 away from the fixed ring two 17, and the fixed ring one 15 is fixedly installed on the inner wall of the fixed frame two 9 away from the side wall of the fixed ring two 17.

[0022] It should be noted that: through the multi-stage spring, multi-stage buffering of the inertial impact force is realized, when the vehicle suddenly stops, the driver and passengers are forward due to inertia, the springs can gradually absorb and disperse the impact force, effectively reducing the harm to the driver and passengers;

[0023] Further, the combination of the C-shaped plate 10 and the slide rod 14 ensures the flexibility of the seat cushion 3 when it is impacted, so that it can move to a certain extent along the direction of the impact force, thereby reducing the impact.

[0024] Please refer to Figure 1 - Figure 2 The utility model provides a technical scheme: a mine main roadway car safety protection device, including fixed frame one 2 far away from the inner side wall fixed mounting of support 8 has fixed column one 11, fixed column one 11 far away from the one end fixed connection of fixed frame one 2 has spring one 12, spring one 12 far away from the one end fixed connection of fixed column one 11 has top plate one 13, fixed frame one 2 far away from the inner side wall fixed mounting of fixed column two 23, fixed column two 23 far away from the one end fixed connection of fixed frame one 2 has spring four 21, spring four 21 far away from the one end fixed connection of fixed frame one 2 has top plate two 22.

[0025] It should be noted that: through the fixed column one 11 and the fixed column two 23 respectively connected spring one 12 and spring four 21, form double buffering system, when the vehicle suddenly stops, the two springs can respectively absorb and disperse the impact force from different directions, so as to provide more comprehensive and effective protection.

[0026] Please refer to Figure 2 The utility model provides a technical scheme: a mine main roadway car safety protection device, including the inner wall of support 8 is set with sliding slot one 19, sliding slot one 19 is close to the one end fixed mounting of fixed frame one 2 has spring five 24, spring five 24 far away from the one end fixed connection of fixed frame one 2 has fender column 18.

[0027] It should be noted that: when C-shaped plate 10 moves under the action of inertia forward, fender column 18 will be subjected to the thrust from C-shaped plate 10, at this time, spring five 24 as a buffer element, can absorb and disperse this part of impact force, so as to slow down the moving speed of C-shaped plate 10, further reduce the impact on the driver and passengers.

[0028] Please refer to Figure 1 The utility model provides a technical scheme: a mine main roadway car safety protection device, including fixed frame two 9 top fixed mounting has limit rod 29, and the inside of limit rod 29 is set with sliding slot two 28.

[0029] Please refer to Figure 1 - Figure 3The utility model provides a technical scheme: a mine large roadway car safety protection device, including the fixed block 30 is fixedly installed in C type board 10 top, the fixed block 30 top is fixedly installed with the cushion 3, the cushion 3 end is fixedly installed with the pivot 4, the pivot 4 outer wall is rotatably installed with the backrest 5, the backrest 5 top is slidably installed with the headrest 6.

[0030] Need to explain is: through the cooperation of limiting rod 29 and sliding slot two 28, the movement range of cushion 3 can be effectively limited, prevents its exceeding preset safety limit.

[0031] Please refer to Figure 4 The utility model provides a technical scheme: a mine large roadway car safety protection device, including the fixed block 30 is fixedly installed in C type board 10 top, the fixed block 30 top is fixedly installed with the cushion 3, the cushion 3 end is fixedly installed with the pivot 4, the pivot 4 outer wall is rotatably installed with the backrest 5, the backrest 5 top is slidably installed with the headrest 6.

[0032] Need to explain is: through the cooperation of limiting rod 29 and sliding slot two 28, the movement range of cushion 3 can be effectively limited, prevents its exceeding preset safety limit.

[0033] Please refer to Figure 3 The utility model provides a technical scheme: a mine large roadway car safety protection device, including the fixed block 30 is fixedly installed in C type board 10 top, the fixed block 30 top is fixedly installed with the cushion 3, the cushion 3 end is fixedly installed with the pivot 4, the pivot 4 outer wall is rotatably installed with the backrest 5, the backrest 5 top is slidably installed with the headrest 6.

[0034] Working principle: when the mine large roadway car is intercepted by the blocking rope because of overspeed, the vehicle will suddenly slow down, at this time, due to inertia, the driver will rush forward, at this time, C type board 10 moves forward together with cushion 3, sliding rod 14 will first contact top plate two 22, top plate two 22 exerts pressure on spring four 21, spring four 21 starts to be compressed and accumulates energy, along with C type board 10 continues to move forward, after the compression of spring four 21 reaches a certain degree, will start to release the elastic force reversely, push sliding rod 14 and C type board 10 to move in the opposite direction, the outer wall of C type board 10 will contact the blocking column 18 of the inner wall of support rod 8, the blocking column 18 will have a certain buffering effect under the action of spring five 24, further slows down the moving speed of C type board 10, when C type board 10 passes blocking column 18, will be stopped against top plate one 13, top plate one 13 is connected with fixed column one 11 through spring one 12, at this time, spring one 12 also starts to be compressed and accumulates energy, then reversely releases the elastic force after reaching a certain degree, and the elastic force of spring four 21 jointly acts, further slows down and disperses the impact force produced by the driver due to inertia rush forward, in the whole process, the repeated compression and release of spring, and the buffering effect of blocking column 18 to C type board 10, jointly constitute an effective energy absorption and dispersion system, this system can significantly weaken the inertia rush force of the driver when the vehicle stops suddenly, thereby protecting their safety.

Claims

1. A mine roadway vehicle safety protection device comprising a fixed frame one (2), characterized in that: The inner side wall of the fixed frame one (2) is fixedly installed with a supporting rod (8), one end of the supporting rod (8) away from the fixed frame one (2) is fixedly installed with a fixed frame two (9), both ends of the fixed frame two (9) away from the supporting rod (8) are slidingly installed with sliding rods (14), the sliding rods (14) are slidingly installed with C-shaped plates (10) inside the fixed frame two (9), the inner wall of the C-shaped plate (10) is fixedly installed with a spring three (20), one end of the spring three (20) away from the C-shaped plate (10) is fixedly installed with a fixed ring three (27), the fixed ring three (27) is fixedly installed on the outer wall of the sliding rod (14), one end of the sliding rod (14) away from the C-shaped plate (10) is fixedly installed with a fixed ring two (17), the end of the fixed ring two (17) is fixedly installed with a spring two (16), one end of the spring two (16) away from the fixed ring two (17) is fixedly connected with a fixed ring one (15), the side wall of the fixed ring one (15) away from the fixed ring two (17) is fixedly installed on the inner wall of the fixed frame two (9).

2. A mine roadway vehicle safety protection device as claimed in claim 1, characterized in that: The inner side wall of the fixed frame one (2) away from the supporting rod (8) is fixedly installed with a fixed column one (11), one end of the fixed column one (11) away from the fixed frame one (2) is fixedly connected with a spring one (12), one end of the spring one (12) away from the fixed column one (11) is fixedly connected with a top plate one (13), the inner side wall of the fixed frame one (2) away from the fixed column one (11) is fixedly installed with a fixed column two (23), one end of the fixed column two (23) away from the fixed frame one (2) is fixedly connected with a spring four (21), one end of the spring four (21) away from the fixed frame one (2) is fixedly connected with a top plate two (22).

3. A mine roadway vehicle safety protection device as claimed in claim 1, characterized in that: The inner wall of the supporting rod (8) is provided with a sliding groove one (19), one end of the sliding groove one (19) close to the fixed frame one (2) is fixedly installed with a spring five (24), one end of the spring five (24) away from the fixed frame one (2) is fixedly connected with a blocking column (18).

4. A mine roadway vehicle safety protection device as claimed in claim 1, characterized in that: The top of the fixed frame two (9) is fixedly installed with a limiting rod (29), the limiting rod (29) is provided with a sliding groove two (28) inside.

5. A mine roadway vehicle safety protection device as claimed in claim 1, characterized in that: The top of the C-shaped plate (10) is fixedly installed with a fixed block (30), the top of the fixed block (30) is fixedly installed with a cushion (3), the end of the cushion (3) is fixedly installed with a rotating shaft (4), the outer wall of the rotating shaft (4) is rotatably installed with a backrest (5), the top of the backrest (5) is slidingly installed with a headrest (6).

6. A mine roadway vehicle safety protection device as claimed in claim 5 wherein: The bottom side end of the cushion (3) is fixedly installed with a sliding block (25), the inner wall of the sliding block (25) is fixedly installed with a fixed rod (26).

7. A mine roadway vehicle safety protection device as claimed in claim 1, characterized in that: The bottom of the fixed frame one (2) is fixedly installed with a floor (7), the side wall of the floor (7) is fixedly installed with a door (1).