Coal mine safety monitoring device
By installing an elastic bracket and a non-woven membrane structure at the end of the gas detector's inlet pipe, the problem of decreased detection accuracy caused by dust coverage is solved, enabling efficient and safe monitoring in dusty environments and avoiding downtime for equipment cleaning.
Patent Information
- Application Number
- CN202520044052.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2035-01-09
AI Technical Summary
When existing coal mine safety monitoring equipment is used in dusty environments, dust can easily cover the sensors, leading to a decrease in detection accuracy. Furthermore, the cleaning process requires shutdown and disassembly, which affects the safety monitoring effect.
An elastic support structure is installed at the end of the air inlet pipe of the gas detector, and a non-woven fabric membrane is wrapped around it. The non-woven fabric membrane filters dust, and the vibration of the elastic support automatically shakes off the dust, preventing dust from entering the instrument.
It effectively protects the internal components of the gas detector, maintains detection accuracy, avoids downtime for cleaning, and ensures the effectiveness of safety monitoring in coal mine roadways.
Smart Images

Figure CN223523789U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coal mine safety, specifically relates to a coal mine safety monitoring device. BACKGROUND
[0002] Coal mine is the region rich in coal resources, usually divided into underground coal mine and open coal mine, underground coal mine needs to excavate roadway to underground to mine coal, sets up coal conveyor, walking passage, ventilation device, lighting device etc. in the roadway, and the roadway in coal mine also contains mixed gas.
[0003] The mixed gas in the roadway of coal mine generally contains oxygen, carbon monoxide, methane and the like, and the methane is flammable and explosive gas, which is dangerous, the ventilation device continuously extracts the gas in the roadway outward to maintain the safety of the gas environment in the roadway, and the air environment in the roadway is generally monitored by a safety monitoring device to ensure the safety of the environment in the roadway, so that the staff can be reminded in time if the concentration of harmful gas is too high, but the existing monitoring device still has some problems in actual use, the gas inlet of the gas detection instrument generally lacks a protective structure, the air in the roadway of coal mine generally contains dust, and the dust is sucked into the instrument and covers the sensor and other elements, so that the detection accuracy of the gas detection instrument is lower and lower, the detection effect becomes worse with the increase of use time, and the internal cleaning of the gas detection instrument needs to be stopped and disassembled, which is not conducive to the safety of coal mine. UTILITARIAN CONTENT
[0004] The utility model aims at providing a coal mine safety monitoring device to solve the above problems in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A coal mine safety monitoring device, comprising a gas detection instrument, one side of the gas detection instrument is provided with an air inlet pipe, one end of the air inlet pipe is connected with an elastic support, the elastic support comprises a conduit, one end of the conduit is connected with a spring, one end of the spring is connected with an outer cover, and the outer wall of the outer cover is wrapped with a non-woven fabric film.
[0007] Preferably, the end of the outer cover is fixedly provided with a mounting pipe, the outer wall of the mounting pipe is provided with a clamping block, and the inner wall of the end of the spring close to the outer cover is clamped with the outer wall of the clamping block.
[0008] Preferably, the top of the gas detection instrument is fixedly provided with a fixed seat, the top of the fixed seat is fixedly provided with a secondary connecting seat, one side of the secondary connecting seat is provided with a primary connecting seat, the surface of the primary connecting seat is provided with a pin hole, the side of the secondary connecting seat close to the primary connecting seat is provided with a bolt that matches the pin hole, and the primary connecting seat and the secondary connecting seat are provided with a fastening bolt.
[0009] Preferably, one side of the gas detector is provided with a battery, an outer wall of the battery is provided with a mounting seat, a top end of the mounting seat is provided with a plug shaft, one side of the main connecting seat is provided with a socket, and a side wall of the socket is provided with a plug slot.
[0010] Preferably, a rear surface of the main connecting seat is fixed with a support arm, one end of the support arm is connected with a connecting arm, a top end of the connecting arm is provided with a rotating base, a top of the rotating base is connected with a suspension arm, and a top end of the suspension arm is connected with a main threaded pipe.
[0011] Preferably, both ends of the main threaded pipe are connected with a suspension assembly, the suspension assembly comprises a support pipe, an end of the support pipe is connected with a secondary threaded pipe, an end of the secondary threaded pipe is provided with a support plate, and an outer wall of the suspension assembly is provided with a support device.
[0012] Preferably, one side of the gas detector is further provided with a fixing rod, an end of the fixing rod is connected with a shaft seat, one side of the shaft seat is provided with a motor, an output shaft end of the motor is connected with a rotating disc, and an outer wall of the rotating disc is provided with a rotating rod.
[0013] In the above technical solution, the technical effects and advantages of the utility model are provided:
[0014] By arranging the elastic support structure at the end of the gas detector, wrapping the non-woven fabric film outside the elastic support structure, filtering the dust in the air in the coal mine tunnel through the non-woven fabric film, and blocking the dust in the air outside the gas detector, the dust cannot pollute the electrical elements inside the gas detector, so that the gas detector can be protected, the inside of the gas detector does not need to be disassembled and cleaned, the user can shake the elastic support from the outside, the elastic support can drive the non-woven fabric on the surface to vibrate, dust can be shaken off automatically, the air inlet pipe is not blocked, and the monitoring effect of the gas detector can be ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the installation of the utility model;
[0018] Figure 3This is a schematic diagram of the suspension mechanism and gas detector of this utility model;
[0019] Figure 4 for Figure 3 Enlarged view of section A in the middle;
[0020] Figure 5 This is a perspective view of the gas detector of this utility model;
[0021] Figure 6 This is a schematic diagram of the structure of the fixed rod and elastic bracket of this utility model;
[0022] Figure 7 This is a perspective view of the elastic support of this utility model;
[0023] Figure 8 This is a schematic diagram of the structure of the outer cover of this utility model;
[0024] Figure 9 This is a schematic diagram of the structure of the outer cover and non-woven membrane of this utility model.
[0025] Explanation of reference numerals in the attached figures:
[0026] 1. Support device; 2. Suspension assembly; 3. Gas detector; 4. Main threaded pipe; 5. Support pipe; 6. Secondary threaded pipe; 7. Support plate; 8. Suspension arm; 9. Rotating base; 10. Connecting arm; 101. Support arm; 11. Mounting seat; 12. Battery; 13. Insert shaft; 14. Socket; 15. Slot; 16. Main connecting seat; 17. Secondary connecting seat; 18. Fastening bolt; 19. Pin; 20. Fixing seat; 21. Air inlet pipe; 22. Fixing rod; 23. Elastic bracket; 231. Conduit; 232. Outer cover; 2321. Mounting pipe; 2322. Locking block; 233. Spring; 234. Non-woven fabric membrane; 24. Shaft seat; 25. Motor; 26. Turntable; 27. Rotating rod. Detailed Implementation
[0027] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0028] This utility model provides, for example Figure 1 - Figure 9 The coal mine safety monitoring device shown includes a gas detector 3. An air inlet pipe 21 is provided on one side of the gas detector 3. One end of the air inlet pipe 21 is connected to an elastic support 23. The elastic support 23 includes a conduit 231. One end of the conduit 231 is connected to a spring 233. One end of the spring 233 is connected to an outer cover 232. The outer wall of the outer cover 232 is wrapped with a non-woven fabric membrane 234.
[0029] The end of the outer cover 232 is fixed with a mounting pipe 2321, the outer wall of the mounting pipe 2321 is provided with a clamping block 2322, and the spring 233 is clamped with the outer wall of the clamping block 2322; after the clamping block 2322 is clamped with the spring 233, the spring 233 is fixed with the clamping block 2322, thereby facilitating the connection between the spring 233 and the mounting pipe 2321, and ensuring the stable connection between the outer cover 232 and the spring 233.
[0030] In this embodiment, specifically, one end of the conduit 231 is inserted into the air inlet pipe 21 and wrapped with adhesive tape, the gap between the air inlet pipe 21 and the conduit 231 is sealed by the adhesive tape, the problem that the gas containing dust enters the gap and then enters the air inlet pipe 21 is avoided, the non-woven fabric film 234 is wrapped outside the outer cover 232, the non-woven fabric film 234 has the function of filtering dust, and the dust is prevented from entering the gas detector 3, the extension end of the non-woven fabric film 234 also wraps the spring 233, the spring 233 is wrapped outside by the adhesive tape, and the non-woven fabric film 234 outside the spring 233 is wrapped, the gas passes through the non-woven fabric film 234, then passes through the conduit 231, and finally passes through the air inlet pipe 21 to enter the gas detector 3.
[0031] The gas detector 3 is a prior art, and can monitor the methane concentration, oxygen concentration and carbon monoxide concentration in the coal mine tunnel, so as to ensure the environmental safety in the coal mine tunnel.
[0032] As shown in Figure 1 - Figure 5 The top of the gas detector 3 is fixed with a fixed seat 20, the top of the fixed seat 20 is fixed with a secondary connecting seat 17, one side of the secondary connecting seat 17 is provided with a primary connecting seat 16, the surface of the primary connecting seat 16 is provided with a pin hole, one side of the secondary connecting seat 17 close to the primary connecting seat 16 is provided with a latch 19 matched with the pin hole, and the primary connecting seat 16 and the secondary connecting seat 17 are provided with a fastening bolt 18; the latch 19 on one side of the secondary connecting seat 17 is inserted into the pin hole on one side of the primary connecting seat 16 by hand, and then the primary connecting seat 16 and the secondary connecting seat 17 are fixed and connected together by the fastening bolt 18, so as to connect the gas detector 3 with the primary connecting seat 16, thereby facilitating the suspension installation of the gas detector 3.
[0033] As shown in Figure 3 One side of the gas detector 3 is provided with a storage battery 12, one side of the outer wall of the storage battery 12 is provided with a mounting seat 11, the top end of the mounting seat 11 is provided with a plug shaft 13, one side of the primary connecting seat 16 is provided with a socket 14, and the side wall of the socket 14 is provided with a slot 15.
[0034] The battery 12 provides power for the gas detector 3 and other electrical devices of the present application. During installation of the battery 12, the mounting seat 11 is suspended below the socket 14 by inserting the plug shaft 13 into the plug slot 15, one side of the battery 12 is attached to the side wall of the mounting seat 11, and the other side is attached to the outer wall of the gas detector 3.
[0035] As shown in Figure 3 and Figure 4 , the rear surface of the main connecting seat 16 is fixed with a support arm 101, one end of the support arm 101 is connected with a connecting arm 10, the top end of the connecting arm 10 is provided with a rotating base 9, the top of the rotating base 9 is connected with a suspension arm 8, and the top end of the suspension arm 8 is connected with a main threaded pipe 4;
[0036] Both ends of the main threaded pipe 4 are connected with a suspension assembly 2, the suspension assembly 2 includes a support pipe 5, the end of the support pipe 5 is connected with a secondary threaded pipe 6, the end of the secondary threaded pipe 6 is provided with a support plate 7, and the outer wall of the suspension assembly 2 is provided with a support device 1;
[0037] During installation of the coal mine safety monitoring device of the present application, the ends of the two support pipes 5 are connected by screwing at both ends of the main threaded pipe 4, the other end of the two support pipes 5 is connected with the secondary threaded pipe 6 by screwing, and then the main threaded pipe 4, the support pipe 5 and the secondary threaded pipe 6 are placed horizontally below the support device 1, the support plate 7 at the end of the secondary threaded pipe 6 is attached to the inner wall of the support device 1, and the support pipe 5 is combined with the main threaded pipe 4 into an extension rod, which is elongated by rotating the support pipe 5, so as to press the support plate 7, thereby facilitating the suspension of the suspension assembly 2 below the support device 1;
[0038] The suspension arm 8 is suspended below the main threaded pipe 4, the gas detector 3 is manually pushed, the gas detector 3 drives the fixed seat 20, the secondary connecting seat 17, the main connecting seat 16 and the support arm 101, the support arm 101 drives the connecting arm 10 to rotate, and the gas detector 3 can be adjusted during rotation of the connecting arm 10, which is convenient for the staff to check the gas detector 3.
[0039] As shown in Figure 5 - Figure 9As shown, one side of the gas detector 3 is further provided with a fixing rod 22, the end of the fixing rod 22 is connected with an axle seat 24, one side of the axle seat 24 is provided with a motor 25, the output shaft end of the motor 25 is connected with a rotating disc 26, the outer wall of the rotating disc 26 is provided with a rotating rod 27, specifically, in the process of cleaning the dust on the surface of the non-woven fabric film 234, after starting the motor 25, the rotating disc 26 is driven to rotate by the output shaft of the motor 25, the rotating disc 26 drives the rotating rod 27 to rotate, the end of the rotating rod 27 is a sphere, the sphere collides with the non-woven fabric film 234 in the process of rotating with the rotating rod 27, the non-woven fabric film 234 is driven to vibrate by the collision, the elastic support 23 is vibrated at the same time, the spring 233 is vibrated, under the elastic action of the spring 233, the elastic support 23 continuously shakes, and the non-woven fabric film 234 on the surface of the elastic support 23 shakes, the non-woven fabric film 234 shakes and continuously vibrates, the dust on the surface of the non-woven fabric film 234 flies in the air and separates from the non-woven fabric film 234, the purpose of cleaning the dust on the surface of the non-woven fabric film 234 is achieved.
[0040] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the present application.
Claims
1. A coal mine safety monitoring device comprising a gas detector (3), characterised in that: One side of the gas detector (3) is provided with an air inlet pipe (21), one end of the air inlet pipe (21) is connected with an elastic support (23), the elastic support (23) comprises a conduit (231), one end of the conduit (231) is connected with a spring (233), one end of the spring (233) is connected with an outer cover (232), the outer wall of the outer cover (232) is wrapped with a non-woven fabric film (234).
2. The coal mine safety monitoring device according to claim 1, characterized in that: The end of the outer cover (232) is fixedly connected with a mounting pipe (2321), the outer wall of the mounting pipe (2321) is provided with a clamping block (2322), and one end of the spring (233) is clamped with the outer wall of the clamping block (2322).
3. The coal mine safety monitoring device of claim 1, wherein: The top of the gas detector (3) is fixedly connected with a fixing seat (20), the top of the fixing seat (20) is fixedly connected with a secondary connecting seat (17), one side of the secondary connecting seat (17) is provided with a primary connecting seat (16), the surface of the primary connecting seat (16) is provided with a pin hole, one side of the secondary connecting seat (17) is provided with a latch (19) matched with the pin hole, and the primary connecting seat (16) and the secondary connecting seat (17) are provided with a fastening bolt (18).
4. The coal mine safety monitoring device of claim 3, wherein: One side of the gas detector (3) is provided with a storage battery (12), one side of the outer wall of the storage battery (12) is provided with a mounting seat (11), the top end of the mounting seat (11) is provided with a plug shaft (13), one side of the primary connecting seat (16) is provided with a socket (14), and the side wall of the socket (14) is provided with a plug groove (15).
5. The coal mine safety monitoring device of claim 3, wherein: The rear surface of the primary connecting seat (16) is fixedly connected with a supporting arm (101), one end of the supporting arm (101) is connected with a connecting arm (10), the top end of the connecting arm (10) is provided with a rotating base (9), the top of the rotating base (9) is connected with a suspension arm (8), and the top end of the suspension arm (8) is connected with a primary threaded pipe (4).
6. The coal mine safety monitoring device of claim 5, wherein: Both ends of the primary threaded pipe (4) are connected with a suspension assembly (2), the suspension assembly (2) comprises a supporting pipe (5), the end of the supporting pipe (5) is connected with a secondary threaded pipe (6), the end of the secondary threaded pipe (6) is provided with a supporting plate (7), and the outer wall of the suspension assembly (2) is provided with a supporting device (1).
7. The coal mine safety monitoring device of claim 1, wherein: One side of the gas detector (3) is also provided with a fixing rod (22), the end of the fixing rod (22) is connected with a shaft seat (24), one side of the shaft seat (24) is provided with a motor (25), the output shaft of the motor (25) is connected with a rotating disc (26), and the outer wall of the rotating disc (26) is provided with a rotating rod (27).