High outburst mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism
By installing thermal imaging sensors and reinforced sleeve structures at the coal pillar working face, the spontaneous combustion of coal pillars can be monitored in real time and responded to quickly, thus solving the safety hazard of spontaneous combustion of coal pillars and improving the safety and adaptability of the coal pillar working face.
Patent Information
- Application Number
- CN202422967700.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-03
AI Technical Summary
When the coal pillar working face node separation protection mechanism is in operation, there is a safety hazard because the coal pillar is flammable and may spontaneously combust.
A coal spontaneous combustion node separation and protection mechanism for coal pillar recovery working face in high-outburst mines was designed. The mechanism uses thermal imaging sensors to monitor the coal pillar in real time, and the signal transmission module alarms and buzzers to indicate the alarm. Pulling the pull ring opens the protective barrier to retrieve the fire extinguisher. The coal pillar is reinforced by a reinforced sleeve and crossbar structure to accommodate different heights.
It enables timely detection and rapid response to coal pillar spontaneous combustion accidents, enhances the all-round monitoring and safety of the node separation protection mechanism, and improves the adaptability and safety of equipment use.
Smart Images

Figure CN223781485U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of coal mining, especially to high outburst mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism. BACKGROUND
[0002] When coal mining, in order to safety, the part not mined in the mining face is left, that is, the coal pillar, which is an important standard to measure the mining rate of a mining area and an important index of coal safety production, the operation space of the coal pillar working face is usually small, because the space of the coal pillar area is limited, the coal pillar working face has important significance in coal mining, through scientific planning and reasonable layout, the coal recovery rate and the production efficiency of the mine can be effectively improved.
[0003] For example, patent number (CN118309464A) discloses a narrow coal pillar protection device capable of effectively controlling the stability of the narrow coal pillar on the temporary support side of the gob-side entry driving, so as to ensure the safe and efficient mining of the underground working face, a narrow coal pillar protection device, comprising anchor rods, gaskets, nuts, reinforcing mechanisms and docking mechanisms, the anchor rods are two, the gaskets are slidably connected to the front parts of the anchor rods, the nuts are rotatably connected to the front sides of the gaskets, the nuts are threadedly connected with the adjacent anchor rods, the reinforcing mechanisms are arranged between the anchor rods, and the docking mechanisms are arranged on the reinforcing mechanisms, the vertical I-beams and the horizontal I-beams are combined through the alignment of the first alignment grooves and the second alignment grooves, and the vertical I-beams and the horizontal I-beams are installed in the temporary support side roadway in a staggered manner through the anchor rods, so as to effectively control the stability of the narrow coal pillar on the temporary support side of the gob-side entry driving, and ensure the safe and efficient mining of the underground working face.
[0004] At present, the coal pillar working face node separation protection mechanism mainly plays a role in protecting the coal pillar and improving the stability of the coal pillar, but the coal pillar itself is a combustible material, and may be self-ignited, so there are still some safety hazards.
[0005] Therefore, in view of the above-mentioned safety hazards of the coal pillar working face node separation protection mechanism during work, because the coal pillar itself is a combustible material and may be self-ignited, a high outburst mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism can be designed. UTILITY MODEL CONTENTS
[0006] In order to overcome the problem of safety hazards of the coal pillar working face node separation protection mechanism during work, because the coal pillar itself is a combustible material and may be self-ignited.
[0007] The utility model discloses a technical scheme for: high and protruding mine coal pillar working face coal spontaneous combustion node separation protection mechanism, including reinforcing sleeve pole, the front end fixed mounting of reinforcing sleeve pole has the stand, the inside of stand is provided with fire extinguisher, the front end of stand is provided with guardrail, the right -hand member fixed mounting of guardrail has locking plug ring, the right -hand member fixed mounting of stand has connecting sleeve, the inside of connecting sleeve is provided with locking plug rod, the surface fixed mounting of locking plug rod has connecting ring, the surface of locking plug rod is located the upper end of connecting ring and is sleeved with return spring, the upside of stand right -hand member is provided with thermal imaging sensor, the inside of reinforcing sleeve pole is provided with reinforcing adjusting rod, the upper end fixed mounting of reinforcing adjusting rod extending to the outside of reinforcing sleeve pole has reinforcing upper cross bar, the lower end fixed mounting of reinforcing sleeve pole has reinforcing lower cross bar, the upside of reinforcing sleeve pole front section is provided with threaded rod, the rear end fixed mounting of threaded rod extending to the inside of reinforcing sleeve pole has extrusion fixed block.
[0008] Preferably, the thermal imaging sensor can monitor the coal pillar in real time, the signal transmission module can send an alarm signal to the terminal, and the buzzer can prompt the surrounding staff. Pulling the pull ring can drive the locking plug rod away from the locking plug ring, facilitating the opening of the guardrail and the removal of the fire extinguisher to solve the coal pillar spontaneous combustion accident. The return spring and the connecting ring can restore the initial state of the locking plug rod, facilitating repeated operation and use. The reinforcing sleeve rod and the reinforcing adjusting rod can adjust the height of the node separation protection mechanism to adapt to the height of the coal pillar. The handle and the threaded rod can extrude the fixed block to tightly extrude the locking reinforcing adjusting rod. The mounting hole can fix the protection mechanism. The reinforcing sleeve rod, the reinforcing adjusting rod, the reinforcing upper cross bar and the reinforcing lower cross bar can reinforce the coal pillar.
[0009] Preferably, the guardrail is rotatably connected with the stand, the guardrail has a U-shaped structure, and the lower end of the locking plug rod extends to the outside of the connecting sleeve and is connected with the locking plug ring.
[0010] Preferably, the locking plug rod and the connecting sleeve are sleeved with each other, the upper end of the locking plug rod extends to the outside of the connecting sleeve and is fixedly installed with a pull ring, and the connecting ring is slidably connected with the connecting sleeve.
[0011] Preferably, one end of the return spring is fixedly connected with the connecting sleeve, and the other end of the return spring is fixedly connected with the connecting ring.
[0012] Preferably, the left side of the upper end of the stand is fixedly installed with a buzzer, and the right side of the upper end of the stand is fixedly installed with a signal transmission module.
[0013] Preferably, the reinforcing sleeve rod and the reinforcing adjusting rod are sleeved with each other, and mounting holes are formed in the left and right sides of the reinforcing upper cross bar and the reinforcing lower cross bar.
[0014] Preferably, the front end of the threaded rod extends to the outside of the reinforcing sleeve rod and is fixedly installed with a handle, and the threaded rod is threadedly connected with the reinforcing sleeve rod.
[0015] The utility model discloses the beneficial effect of:
[0016] This high protruding mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism, through thermal imaging sensor real -time monitoring coal pillar, utilize signal transmission module to terminal alarm signal, cooperate with the buzzer around the staff of hinting simultaneously, the coal pillar spontaneous combustion accident of being convenient for in time discovery, by pulling the pull ring upwards, make the locking plug rod far away from locking insert ring, the protection fence of being convenient for opening, the fire extinguisher of quick taking out solves the coal pillar spontaneous combustion accident, be favorable to the all -round monitoring of node separation protection mechanism to coal pillar, cooperate with emergency fire extinguishing device barrier control spontaneous combustion accident simultaneously, improve the safety of equipment use, pull the reinforcement adjustment rod, the height of reinforcement upper cross bar is adjusted to make it adapt to the height of coal pillar, utilize the screw rod and drive extrusion fixed block tight extrusion locking reinforcement adjustment rod, finally through mounting hole fixed protection mechanism, be favorable to the adaptability of coal pillar node separation protection mechanism, the coal pillar working face of being convenient for protection different height. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 The utility model discloses a high protruding mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism three -dimensional structure schematic Figure 1 ;
[0018] Figure 2 The utility model discloses a high protruding mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism three -dimensional structure schematic Figure 2 ;
[0019] Figure 3 The utility model discloses a high protruding mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism three -dimensional structure schematic
[0020] Figure 4 The utility model discloses a high protruding mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism three -dimensional structure schematic
[0021] Figure 5 The utility model discloses a high protruding mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism three -dimensional structure schematic
[0022] Mark explanation: 1, reinforcement sleeve rod, 2, placement rack, 3, fire extinguisher, 4, protection fence, 5, locking insert ring, 6, connecting sleeve, 7, locking plug rod, 8, connecting ring, 9, return spring, 10, thermal imaging sensor, 11, reinforcement adjustment rod, 12, reinforcement upper cross bar, 13, reinforcement lower cross bar, 14, screw rod, 15, extrusion fixed block, 16, pull ring, 17, buzzer, 18, signal transmission module, 19, mounting hole, 20, handle. DETAILED DESCRIPTION
[0023] The utility model will be further explained in connection with the drawings and examples.
[0024] Referring to Figures 1-5 The utility model provides a kind of embodiment: high protruding coal mine recovery coal pillar working face coal spontaneous combustion node separation protection mechanism, including reinforcing sleeve rod 1, reinforcing sleeve rod 1's front end is fixedly installed with placing rack 2, the inside of placing rack 2 is provided with fire extinguisher 3, the front end of placing rack 2 is provided with guardrail 4, the right end of guardrail 4 is fixedly installed with locking ring 5, the right end of placing rack 2 is fixedly installed with connecting sleeve 6, the inside of connecting sleeve 6 is provided with locking rod 7, locking rod 7's surface is fixedly installed with connecting ring 8, the surface of locking rod 7 is located the upper end of connecting ring 8 and is sleeved with reset spring 9, the upside of placing rack 2 right end is provided with thermal imaging sensor 10, the inside of reinforcing sleeve rod 1 is provided with reinforcing adjusting rod 11, reinforcing adjusting rod 11's upper end extends to the outside of reinforcing sleeve rod 1 and is fixedly installed with reinforcing upper cross bar 12, the lower end of reinforcing sleeve rod 1 is fixedly installed with reinforcing lower cross bar 13, the upside of reinforcing sleeve rod 1 front section is provided with threaded rod 14, the rear end of threaded rod 14 extends to the inside of reinforcing sleeve rod 1 and is fixedly installed with extrusion fixed block 15.
[0025] Referring to Figures 1-4 In the embodiment, guardrail 4 is rotationally connected with placing rack 2, guardrail 4 is designed in U-shaped structure, the lower end of locking rod 7 extends to the outside of connecting sleeve 6 and is connected with locking ring 5, locking rod 7 and connecting sleeve 6 are mutually sleeved, the upper end of locking rod 7 extends to the outside of connecting sleeve 6 and is fixedly installed with pull ring 16, connecting ring 8 is slidingly connected with connecting sleeve 6, one end of reset spring 9 is fixedly connected with connecting sleeve 6, the other end of reset spring 9 is fixedly connected with connecting ring 8, buzzer 17 is fixedly installed on the left side of the upper end of placing rack 2, signal transmission module 18 is fixedly installed on the right side of the upper end of placing rack 2, coal pillar is monitored in real time by thermal imaging sensor 10, when detecting spontaneous combustion heat source, alarm signal is sent to terminal by signal transmission module 18, while cooperating with buzzer 17 to prompt surrounding staff, spontaneous combustion accident of coal pillar is facilitated to be found in time, by pulling pull ring 16 upwards, locking rod 7 is away from locking ring 5, guardrail 4 is facilitated to be opened, fire extinguisher 3 is taken out quickly to solve coal pillar spontaneous combustion accident, it is favorable to enhance the all-round monitoring of node separation protection mechanism to coal pillar, while cooperating with emergency fire extinguishing device to block control spontaneous combustion accident, improve the safety of equipment use.
[0026] Referring to Figure 1 , Figure 2 and Figure 5In the embodiment, the reinforcing sleeve rod 1 and the reinforcing adjusting rod 11 are sleeved with each other, the left and right sides of the reinforcing upper cross rod 12 and the reinforcing lower cross rod 13 are provided with mounting holes 19, the front end of the threaded rod 14 is fixedly installed outside the reinforcing sleeve rod 1 with a rotating handle 20, the threaded rod 14 is threadedly connected with the reinforcing sleeve rod 1, the protection mechanism is preliminarily fixed on the coal pillar through the mounting holes 19 at the upper end of the reinforcing lower cross rod 13, and the reinforcing adjusting rod 11 is pulled, so that the height of the reinforcing upper cross rod 12 is adjusted to adapt to the height of the coal pillar, after adjustment, the rotating handle 20 is rotated, the extrusion fixing block 15 is driven by the threaded rod 14 to tightly extrude and lock the reinforcing adjusting rod 11, the fixing of the height of the protection mechanism is completed, and finally the protection mechanism is secondarily fixed through the mounting holes 19 of the reinforcing upper cross rod 12, which is favorable for improving the adaptability of the coal pillar node separation protection mechanism and facilitating the protection of the coal pillar working face with different heights.
[0027] In the working process, the coal pillar is monitored in real time by the thermal imaging sensor 10, when a spontaneous combustion heat source is detected, an alarm signal is sent to the terminal by the signal transmission module 18, and the surrounding workers are prompted by the buzzer 17, so that the coal pillar spontaneous combustion accident can be discovered in time, the locking plug rod 7 is away from the locking plug ring 5 by pulling the pull ring 16 upwards, the protective fence 4 is opened, the fire extinguisher 3 is quickly taken out to solve the coal pillar spontaneous combustion accident, the protection mechanism is preliminarily fixed on the coal pillar through the mounting holes 19 at the upper end of the reinforcing lower cross rod 13, and the reinforcing adjusting rod 11 is pulled, so that the height of the reinforcing upper cross rod 12 is adjusted to adapt to the height of the coal pillar, after adjustment, the rotating handle 20 is rotated, the extrusion fixing block 15 is driven by the threaded rod 14 to tightly extrude and lock the reinforcing adjusting rod 11, the fixing of the height of the protection mechanism is completed, and finally the protection mechanism is secondarily fixed through the mounting holes 19 of the reinforcing upper cross rod 12.
[0028] Through the above steps, the coal pillar is monitored in real time by the thermal imaging sensor 10, an alarm signal is sent to the terminal by the signal transmission module 18, and the surrounding workers are prompted by the buzzer 17, so that the coal pillar spontaneous combustion accident can be discovered in time, the locking plug rod 7 is away from the locking plug ring 5 by pulling the pull ring 16 upwards, the protective fence 4 is opened, the fire extinguisher 3 is quickly taken out to solve the coal pillar spontaneous combustion accident, and the coal pillar spontaneous combustion accident is blocked and controlled, so that the problem that the coal pillar working face node separation protection mechanism still has certain safety hazards due to the spontaneous combustion of the coal pillar itself in the working process is solved.
Claims
1. A coal spontaneous combustion node separation and protection mechanism for coal pillar recovery working face in high-risk coal mines, comprising a reinforcing sleeve (1), characterized in that: A mounting bracket (2) is fixedly installed at the front end of the reinforcing sleeve (1). A fire extinguisher (3) is installed inside the mounting bracket (2). A guardrail (4) is installed at the front end of the mounting bracket (2). A locking ring (5) is fixedly installed at the right end of the guardrail (4). A connecting sleeve (6) is fixedly installed at the right end of the mounting bracket (2). A locking rod (7) is installed inside the connecting sleeve (6). A connecting ring (8) is fixedly installed on the surface of the locking rod (7). A return spring is sleeved on the upper end of the connecting ring (8) on the surface of the locking rod (7). 9) A thermal imaging sensor (10) is provided on the upper side of the right end of the placement frame (2). A reinforcing adjustment rod (11) is provided inside the reinforcing sleeve rod (1). The upper end of the reinforcing adjustment rod (11) extends to the outside of the reinforcing sleeve rod (1) and a reinforcing upper crossbar (12) is fixedly installed. A reinforcing lower crossbar (13) is fixedly installed at the lower end of the reinforcing sleeve rod (1). A threaded rod (14) is provided on the upper side of the front section of the reinforcing sleeve rod (1). A compression fixing block (15) is fixedly installed at the rear end of the threaded rod (14) extending to the inside of the reinforcing sleeve rod (1).
2. The coal spontaneous combustion node separation and protection mechanism for the coal pillar recovery working face in high-risk coal mines according to claim 1, characterized in that: The guardrail (4) is rotatably connected to the placement rack (2). The guardrail (4) has a U-shaped structure design. The lower end of the locking rod (7) extends to the outside of the connecting sleeve (6) and is connected to the locking ring (5) pin.
3. The coal spontaneous combustion node separation and protection mechanism for the working face of a high-outburst mine coal pillar as described in claim 2, characterized in that: The locking rod (7) and the connecting sleeve (6) are sleeved together. The upper end of the locking rod (7) extends to the outside of the connecting sleeve (6) and a pull ring (16) is fixedly installed. The connecting ring (8) is slidably connected to the connecting sleeve (6).
4. The coal spontaneous combustion node separation and protection mechanism for coal pillar recovery working face in high-risk coal mines according to claim 3, characterized in that: One end of the return spring (9) is fixedly connected to the connecting sleeve (6), and the other end of the return spring (9) is fixedly connected to the connecting ring (8).
5. The coal spontaneous combustion node separation and protection mechanism for the coal pillar recovery working face in a high-outburst mine according to claim 1, characterized in that: A buzzer (17) is fixedly installed on the left side of the upper end of the placement rack (2), and a signal transmission module (18) is fixedly installed on the right side of the upper end of the placement rack (2).
6. The coal spontaneous combustion node separation and protection mechanism for the coal pillar recovery working face in a high-outburst mine according to claim 1, characterized in that: The reinforcing sleeve (1) and the reinforcing adjusting rod (11) are sleeved together, and mounting holes (19) are provided on both the left and right sides of the reinforcing upper crossbar (12) and the reinforcing lower crossbar (13).
7. The coal spontaneous combustion node separation and protection mechanism for coal pillar recovery working face in high-risk coal mines according to claim 6, characterized in that: The front end of the threaded rod (14) extends to the outside of the reinforcing sleeve (1) and is fixedly installed with a handle (20). The threaded rod (14) is threadedly connected to the reinforcing sleeve (1).
Citation Information
Patent Citations
Narrow coal pillar protection device
CN118309464A