Automatic fire extinguishing device for mining carrying vehicle
By installing automatic fire extinguishing devices on mining trucks and controlling the fire with electronic control valves and fire-fighting medium, the problem of open flames and combustion hazards in mining trucks in mining cave environments is solved, and the safety of coal mine production and fire extinguishing efficiency are improved.
Patent Information
- Application Number
- CN202422527972.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-10-18
AI Technical Summary
When existing mining trucks work in mine caves and underground tunnel environments, the open flame and combustion hazard levels are high due to special environments, which affects the safety of coal mine production.
An automatic fire extinguishing device is designed, including installing fire extinguishing sprinklers, electronically controlled valves, fire extinguishing tanks and connecting pipes on the main body of the mining truck. The fire extinguishing sprinkler is controlled through the electric control valve. The fire extinguishing medium is input to the fire extinguishing sprinkler from the connecting pipe, so as to achieve large-scale spraying to control the fire.
Effectively control open flames and combustion on the surface of the main body of the mining truck, avoid the spread of fire, improve the safety of coal mine production, and improve the efficiency of the device through a convenient fire fighting fire extinguishing tank replacement mechanism.
Smart Images

Figure CN223026593U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mine production safety, in particular to an automatic fire extinguishing device for mine transport vehicles. Background Technique
[0002] When carrying out coal mine production and mining operations, it usually involves the handling and transportation of coal mines and their production equipment. Mine transport vehicles are used to transport coal, ore, or related production equipment in mines. With the development of society, the functions of mine transport vehicles have become more comprehensive, greatly improving the work efficiency of coal mine production operations.
[0003] For example, patent number CN202358108U, a hydraulic support transport vehicle for coal mines, is provided with a U-shaped frame. Driving mechanisms are arranged outside the left and right side plates of the U-shaped frame. A pallet for loading hydraulic supports is arranged in the U-shaped notch of the U-shaped frame. The front end of the pallet is hinged to the root of the U-shaped frame. A pallet lifting mechanism is arranged between the rear part of the pallet and the left and right side plates of the U-shaped frame. A lifting and pulling assembly and a pushing assembly for hydraulic supports are arranged at the root of the U-shaped frame. The lifting cylinder raises and lowers the rear part of the pallet, facilitating loading and unloading. The lifting and pulling assembly for the hydraulic support serves to pull the hydraulic support onto the pallet. The pushing assembly serves to push the hydraulic support off the pallet. When transporting, the hydraulic support is placed on the pallet for easy fixation, increasing the safety and reliability of transportation. It can also transport other large underground components.
[0004] Existing mine transport vehicles usually work in environments such as mine caves and underground roadways. Due to the particularity of their working environment, the risk level caused by open flames and combustion in mine transport vehicles is higher, greatly affecting the safety of coal mine production. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the utility model provides an automatic fire extinguishing device for mine transport vehicles to solve the problem that existing mine transport vehicles usually work in environments such as mine caves and underground roadways. Due to the particularity of their working environment, the risk level caused by open flames and combustion in mine transport vehicles is higher, greatly affecting the safety of coal mine production mentioned in the above background technique.
[0006] To achieve the above object, the utility model is realized by the following technical solutions: An automatic fire extinguishing device for a mine transport vehicle, including a mine transport vehicle body, an installation frame is fixedly installed at the rear side of the upper end of the mine transport vehicle body, a fire extinguishing nozzle is fixedly installed at the upper end of the installation frame, an electric control valve is arranged on the surface of the fire extinguishing nozzle, an installation cavity is opened at the rear side inside the mine transport vehicle body, a fire extinguishing tank connecting seat is fixedly installed at the lower end of the installation cavity, a connecting pipe is fixedly connected to the left end of the fire extinguishing tank connecting seat, a fire fighting extinguishing tank is arranged inside the installation cavity, a cover plate is arranged at the upper end of the installation cavity, a jack is opened at the rear end of the cover plate, a movable groove is opened at the side of the cover plate at the rear end of the installation cavity, a plug rod is sleeved inside the movable groove, a connecting ring is fixedly installed on the surface of the plug rod, and a return spring is sleeved on the surface of the plug rod at the rear side of the connecting ring.
[0007] Preferably, the installation frame is designed in a U-shaped structure, and the end of the connecting pipe away from the fire extinguishing tank connecting seat extends to the outside of the installation cavity and is connected to the fire extinguishing nozzle.
[0008] Preferably, the fire fighting extinguishing tank is slidably connected to the installation cavity, and the fire fighting extinguishing tank is detachably connected to the fire extinguishing tank connecting seat.
[0009] Preferably, an elastic extrusion pad is fixedly installed at the upper end of the fire fighting extinguishing tank, and the cover plate is in fit connection with the elastic extrusion pad.
[0010] Preferably, the front side of the cover plate is rotatably connected to the mine transport vehicle body, and the front end of the plug rod extends to the outside of the movable groove and is connected with the jack in a plug-in manner.
[0011] Preferably, the rear end of the plug rod extends to the outside of the movable groove, and an anti-slip sleeve is fixedly installed on the surface, and the connecting ring is slidably connected to the movable groove.
[0012] Preferably, one end of the return spring is fixedly connected to the connecting ring, and the other end of the return spring is fixedly connected to the movable groove. Beneficial effects
[0013] The utility model provides an automatic fire extinguishing device for a mine transport vehicle. Compared with the prior art, the following beneficial effects are achieved:
[0014] 1. For the open fire and combustion conditions on the mine transport vehicle body, the electric control valve is used to control the fire extinguishing nozzle, so that the fire extinguishing medium in the fire fighting extinguishing tank is input into the fire extinguishing nozzle from the connecting pipe, and then sprayed in a large area onto the surface of the mine transport vehicle body, which is convenient for timely controlling and extinguishing the fire, avoiding the rapid spread of the fire, and thus triggering more serious coal mine production safety accidents, which is beneficial to improving the safety of coal mine production.
[0015] 2. For the automatic fire extinguishing device used in mining handling vehicles, after the fire extinguishing tank is used, pull the insertion rod to make the insertion rod away from the insertion hole, which is convenient for unlocking, flip and open the cover plate, so as to cooperate with the groove on the elastic extrusion pad to take out the fire extinguishing tank, then send a new fire extinguishing tank into the installation cavity, dock and install it with the fire extinguishing tank connection seat, and finally close the cover plate. The reset spring drives the insertion rod to move back to the insertion hole to lock the cover plate, and the fitting and extrusion of the elastic extrusion pad can ensure the stable connection of the fire extinguishing tank inside the installation cavity, which is beneficial to improving the convenience of the fire extinguishing tank replacement work. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0017] Figure 2 is a structural schematic diagram of the installation cavity of the present utility model;
[0018] Figure 3 is a structural schematic diagram of the fire extinguishing tank of the present utility model;
[0019] Figure 4 is a structural schematic diagram of the insertion rod of the present utility model.
[0020] In the figure: 1. Mining handling vehicle body; 2. Installation frame; 3. Fire extinguishing nozzle; 4. Electric control valve; 5. Installation cavity; 6. Fire extinguishing tank connection seat; 7. Connecting pipe; 8. Fire extinguishing tank; 9. Cover plate; 10. Insertion hole; 11. Activity groove; 12. Insertion rod; 13. Connecting ring; 14. Reset spring; 15. Elastic extrusion pad. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0022] Please refer to Figures 1-4, the present utility model provides a technical solution: an automatic fire extinguishing device for a mine transport vehicle, including a mine transport vehicle body 1. A mounting frame 2 is fixedly installed at the rear side of the upper end of the mine transport vehicle body 1. A fire extinguishing nozzle 3 is fixedly installed at the upper end of the mounting frame 2. An electric control valve 4 is arranged on the surface of the fire extinguishing nozzle 3. An installation cavity 5 is opened at the rear side inside the mine transport vehicle body 1. A fire extinguishing tank connecting seat 6 is fixedly installed at the lower end of the installation cavity 5. A connecting pipe 7 is fixedly connected to the left end of the fire extinguishing tank connecting seat 6. A fire extinguishing tank 8 is arranged inside the installation cavity 5. The mounting frame 2 is designed in a U-shaped structure. One end of the connecting pipe 7 away from the fire extinguishing tank connecting seat 6 extends outside the installation cavity 5 and is connected to the fire extinguishing nozzle 3. The fire extinguishing tank 8 is slidably connected to the installation cavity 5 and is detachably connected to the fire extinguishing tank connecting seat 6. An elastic extrusion pad 15 is fixedly installed at the upper end of the fire extinguishing tank 8. The cover plate 9 is attached to the elastic extrusion pad 15. For the open fire and combustion conditions on the mine transport vehicle body 1, the electric control valve 4 is used to control the fire extinguishing nozzle 3, so that the fire extinguishing medium in the fire extinguishing tank 8 is input into the fire extinguishing nozzle 3 through the connecting pipe 7, and then sprayed onto the surface of the mine transport vehicle body 1 in a large area, which is convenient for timely controlling and extinguishing the fire, avoiding the rapid spread of the fire, and thus triggering more serious coal mine production safety accidents, which is beneficial to improving the safety of coal mine production;
[0023] A cover plate 9 is arranged at the upper end of the installation cavity 5. A jack 10 is opened at the rear end of the cover plate 9. An activity groove 11 is opened at the side of the rear end of the installation cavity 5 and at the side of the cover plate 9. A plug rod 12 is sleeved inside the activity groove 11. A connecting ring 13 is fixedly installed on the surface of the plug rod 12. A return spring 14 is sleeved on the surface of the plug rod 12 at the rear side of the connecting ring 13. The front side of the cover plate 9 is rotatably connected to the mine transport vehicle body 1. The front end of the plug rod 12 extends outside the activity groove 11 and is inserted and connected to the jack 10. The rear end of the plug rod 12 extends outside the activity groove 11, and an anti-slip sleeve is fixedly installed on the surface. The connecting ring 13 is slidably connected to the activity groove 11. One end of the return spring 14 is fixedly connected to the connecting ring 13, and the other end of the return spring 14 is fixedly connected to the activity groove 11. When the fire extinguishing tank 8 is used, the plug rod 12 is pulled to make the plug rod 12 away from the jack 10, which is convenient for unlocking. The cover plate 9 is flipped open, so as to cooperate with the groove on the elastic extrusion pad 15 to take out the fire extinguishing tank 8. Then a new fire extinguishing tank 8 is sent into the installation cavity 5 and docked and installed with the fire extinguishing tank connecting seat 6. Finally, the cover plate 9 is closed, and the return spring 14 is used to drive the plug rod 12 to move back to the jack 10 to realize the locking of the cover plate 9, and the fitting extrusion of the elastic extrusion pad 15 can ensure the stable connection of the fire extinguishing tank 8 inside the installation cavity 5, which is beneficial to improving the convenience of the replacement work of the fire extinguishing tank 8.
[0024] During operation, for the open fire and combustion occurring on the mining vehicle body 1, the electric control valve 4 is used to control the fire extinguishing nozzle 3, so that the fire extinguishing medium in the fire extinguishing tank 8 is input into the fire extinguishing nozzle 3 through the connecting pipe 7, and then sprayed over a large area on the surface of the mining vehicle body 1, facilitating timely control and elimination of the fire, avoiding rapid spread of the fire, and thus preventing more serious coal mine production safety accidents. After the fire extinguishing tank 8 is used, the insertion rod 12 is pulled to make the insertion rod 12 move away from the insertion hole 10, facilitating unlocking. The cover plate 9 is flipped open, and then the fire extinguishing tank 8 is taken out by cooperating with the groove on the elastic extrusion pad 15. Then a new fire extinguishing tank 8 is sent into the installation cavity 5 and docked and installed with the fire extinguishing tank connecting seat 6. Finally, the cover plate 9 is closed, and the reset spring 14 drives the insertion rod 12 to move back to the insertion hole 10 to lock the cover plate 9, and the fitting and extrusion of the elastic extrusion pad 15 can ensure the stable connection of the fire extinguishing tank 8 inside the installation cavity 5.
[0025] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.
Claims
1. An automatic fire extinguishing device for a mining transport vehicle, comprising a mining transport vehicle body (1), characterized in that: A mounting frame (2) is fixedly mounted on the rear side of the upper end of the mining transport vehicle body (1), a fire extinguishing nozzle (3) is fixedly mounted on the upper end of the mounting frame (2), an electric control valve (4) is arranged on the surface of the fire extinguishing nozzle (3), a mounting cavity (5) is opened on the rear side of the interior of the mining transport vehicle body (1), a fire extinguishing tank connecting seat (6) is fixedly mounted on the lower end of the mounting cavity (5), a connecting pipe (7) is fixedly connected to the left end of the fire extinguishing tank connecting seat (6), and the interior of the mounting cavity (5) is provided with a fire extinguishing tank connecting seat (6). A fire extinguishing tank (8) is arranged at the top of the installation cavity (5), a cover plate (9) is arranged at the upper end of the installation cavity (5), a plug hole (10) is arranged at the rear end of the cover plate (9), a movable groove (11) is arranged at the rear end of the installation cavity (5) and located on the side of the cover plate (9), an insert rod (12) is sleeved inside the movable groove (11), a connecting ring (13) is fixedly installed on the surface of the insert rod (12), and a return spring (14) is sleeved on the surface of the insert rod (12) and located at the rear end of the connecting ring (13).
2. The automatic fire extinguishing device for a mining transport vehicle according to claim 1, characterized in that: The mounting frame (2) is designed as a U-shaped structure, and the end of the connecting pipe (7) away from the fire extinguisher tank connecting seat (6) extends to the outside of the mounting cavity (5) and is connected to the fire extinguishing nozzle (3).
3. The automatic fire extinguishing device for a mining transport vehicle according to claim 2, characterized in that: The fire extinguishing tank (8) is slidably connected to the installation cavity (5), and the fire extinguishing tank (8) is detachably connected to the fire extinguishing tank connecting seat (6).
4. The automatic fire extinguishing device for a mining transport vehicle according to claim 3, characterized in that: An elastic compression pad (15) is fixedly mounted on the upper end of the fire extinguishing tank (8), and the cover plate (9) is fittedly connected to the elastic compression pad (15).
5. The automatic fire extinguishing device for mining transport vehicles according to claim 4, characterized in that: The front side of the cover plate (9) is rotatably connected to the mining truck body (1), and the front end of the insertion rod (12) extends to the outside of the movable groove (11) and is connected to the insertion hole (10) by a latch.
6. The automatic fire extinguishing device for mining transport vehicles according to claim 5, characterized in that: The rear end of the insertion rod (12) extends to the outside of the movable groove (11), and an anti-slip sleeve is fixedly mounted on the surface; the connecting ring (13) is slidably connected to the movable groove (11).
7. The automatic fire extinguishing device for a mining transport vehicle according to claim 6, characterized in that: One end of the return spring (14) is fixedly connected to the connecting ring (13), and the other end of the return spring (14) is fixedly connected to the movable groove (11).
Citation Information
Patent Citations
Hydraulic support van for coal mine
CN202358108U