Coal mine underground environment monitor

Abstract

The utility model relates to the technical field of underground monitoring, in particular to a coal mine underground environment monitor which comprises a fixing seat, the bottom of the fixing seat is fixedly connected with a machine body, a lifting plate is arranged below the machine body, the middle of the top of the lifting plate is fixedly connected with a detection head, and the right side of the interior of the machine body is fixedly connected with a fan. A fixing frame is fixedly connected to the lower portion of the left side of the outer wall of the machine body, a transmission box is fixedly connected to the bottom of the lifting plate, a controller is fixedly connected to the front side of the transmission box, a rotating mechanism is arranged in the fixing frame, and a lifting mechanism is arranged in the transmission box. According to the utility model, the rotary replacement of the filter screen and the lifting pushing of the detection head are realized, and the cleanliness and convenience of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of underground monitoring, in particular to an underground coal mine environment monitor. Background Art

[0002] With the development of my country's coal mining industry and the improvement of people's safety awareness in the mine, more and more attention is paid to the monitoring of various data in the coal mining process of the mine. Various variables in the mine, such as oxygen concentration, carbon monoxide concentration and underground temperature value, reflect the safety of the underground environment and are the key indicators of monitoring. The underground environment is monitored in real time through gas monitors.

[0003] Existing devices mainly detect underground environment through gas sensors, such as the existing coal mine underground environment monitor, the structure of which is patented as CN219672693U and includes a monitor housing, a monitoring tube embedded in the inner cavity of the monitor housing, an air suction device fixedly installed inside the monitoring tube, and a dust filter fixedly installed on the air inlet end of the monitoring tube. This application can filter through the dust filter, and avoids the problem that the existing monitoring device lacks filtering equipment, and the dust raised by mining in the shaft is easily attached to the monitoring end of the gas sensor with the flowing air, affecting the monitoring results of the gas sensor, but the device still has room for optimization.

[0004] The existing devices mainly fix the filter and other components at the air inlet, which makes it difficult for some devices to rotate and replace the filter at the air inlet, resulting in inconvenience in cleaning the outer wall of the filter. At the same time, some devices mainly fix the detection head and other components inside the body, which makes it difficult for some devices to drive the detection head out of the body, resulting in inconvenience in maintenance operations on the detection head, reducing the working efficiency and practicality of the device. Therefore, in order to solve the above problems, a coal mine underground environment monitor is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide an underground coal mine environment monitor to solve the problem that the existing devices in the prior art mentioned in the above background technology mainly fix the components such as the filter at the air inlet, which makes it difficult for some devices to rotate and replace the filter at the air inlet, resulting in inconvenience in cleaning the outer wall of the filter; at the same time, some devices mainly fix the components such as the detection head inside the machine body, which makes it difficult for some devices to drive the detection head out of the machine body, resulting in inconvenience in maintenance operations on the detection head.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal mine underground environment monitor, comprising a fixed seat, the bottom of the fixed seat is fixedly connected to a body, a lifting plate is provided below the body, a detection head is fixedly connected to the middle of the top of the lifting plate, a fan is fixedly connected to the right side of the body, a fixed frame is fixedly connected to the lower left side of the outer wall of the body, a transmission box is fixedly connected to the bottom of the lifting plate, and a controller is fixedly connected to the front side of the transmission box;

[0007] A rotating mechanism is provided inside the fixed frame, and the rotating mechanism includes a first motor, and the right side of the first motor is fixedly connected to the left side of the fixed frame. A lifting mechanism is provided inside the transmission box, and the lifting mechanism includes a second motor, and the left side of the second motor is fixedly connected to the middle part of the right side of the transmission box.

[0008] Preferably, a rotating shaft is fixedly connected to the right side of the first motor, the right end of the rotating shaft passes through a fixing frame and is fixedly connected to a first bevel gear, and a second bevel gear is meshingly connected above the first bevel gear.

[0009] Preferably, the inner wall of the second bevel gear is fixedly connected to a rotating frame, the inner wall limiting sleeve of the rotating frame is arranged in the middle part of the outer wall of the machine body, and the interior of the rotating frame is fixedly connected to a filter screen.

[0010] Preferably, a transmission shaft is fixedly connected to the middle portion of the left side of the second motor, and the left end of the transmission shaft passes through a transmission box and is fixedly connected to a third bevel gear.

[0011] Preferably, the left side of the third bevel gear is meshedly connected with a fourth bevel gear, the inner wall of the fourth bevel gear is fixedly connected with a transmission worm, and both ends of the transmission worm are movably connected to the inner wall of the transmission box.

[0012] Preferably, both sides of the outer wall of the transmission worm are meshingly connected with a transmission worm wheel, the inner wall of the transmission worm wheel is fixedly connected with a transmission screw, and the bottom end of the transmission screw is movably connected to the bottom of the inner wall of the transmission box.

[0013] Preferably, the top end of the transmission screw passes through the lifting plate and is sleeved with a fixed screw barrel, and the top end of the fixed screw barrel is fixedly connected to the inner top end of the body.

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

[0015] 1. The utility model realizes rotation replacement of the filter screen by rotating the first motor, the rotating shaft, the first bevel gear, the second bevel gear, the rotating frame and the filter screen in the rotating mechanism, and starts the first motor through the controller to drive the rotating shaft and the first bevel gear to rotate in a limited position, and the first bevel gear is engaged to drive the second bevel gear, the rotating frame and the filter screen to rotate in a limited position, so that some devices can rotate and replace the filter screen at the air inlet, which is convenient for the fan to clean the dust on the outer wall of the filter screen, thereby improving the cleanliness and practicality of the device.

[0016] 2. The utility model uses the second motor, transmission shaft, third bevel gear, fourth bevel gear, transmission worm, transmission worm wheel, transmission screw and fixed screw barrel in the lifting mechanism. The second motor is started by the controller to drive the transmission shaft and the third bevel gear to limit rotation. The meshing of the third bevel gear drives the fourth bevel gear and the transmission worm to limit rotation. The meshing of the transmission worm drives the transmission worm wheel and the transmission screw to limit rotation, so that the transmission screw drives the lifting plate, the transmission box and the detection head to slide up and down, realizing the lifting and pushing of the detection head, so that part of the device can drive the detection head out of the body, which is convenient for maintenance operations on the detection head, and improves the convenience and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front side perspective view of the structure of the utility model;

[0018] Figure 2 It is a side sectional stereoscopic view of the structure of the utility model;

[0019] Figure 3 It is a front view cross-sectional stereoscopic diagram of the local structure of the fixing frame and the rotating mechanism of the utility model;

[0020] Figure 4 It is a side sectional stereoscopic view of the local structure of the transmission box and the lifting mechanism of the utility model.

[0021] In the figure: 11, fixed seat; 12, machine body; 13, lifting plate; 14, detection head; 15, fan; 16, fixed frame; 17, transmission box; 18, controller; 2, rotating mechanism; 21, first motor; 22, rotating shaft; 23, first bevel gear; 24, second bevel gear; 25, rotating frame; 26, filter; 3, lifting mechanism; 31, second motor; 32, transmission shaft; 33, third bevel gear; 34, fourth bevel gear; 35, transmission worm; 36, transmission worm wheel; 37, transmission screw; 38, fixed screw barrel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , an embodiment provided by the utility model:

[0024] The coal mine underground environment monitor comprises a fixing seat 11, the bottom of the fixing seat 11 is fixedly connected to a body 12, a lifting plate 13 is arranged below the body 12, a detection head 14 is fixedly connected to the middle of the top of the lifting plate 13, a fan 15 is fixedly connected to the right side of the inside of the body 12, a fixing frame 16 is fixedly connected to the lower left side of the outer wall of the body 12, a transmission box 17 is fixedly connected to the bottom of the lifting plate 13, and a controller 18 is fixedly connected to the front side of the transmission box 17;

[0025] A rotating mechanism 2 is provided inside the fixed frame 16, and the rotating mechanism 2 includes a first motor 21. The right side of the first motor 21 is fixedly connected to the left side of the fixed frame 16, and the right side of the first motor 21 is fixedly connected to a rotating shaft 22. The right end of the rotating shaft 22 passes through the fixed frame 16 and is fixedly connected to a first bevel gear 23. The upper part of the first bevel gear 23 is meshed and connected with a second bevel gear 24. Through this design, the first motor 21 drives the rotating shaft 22 and the first bevel gear 23 to rotate in a limited position, and the inner wall of the second bevel gear 24 is fixedly connected to a rotating frame 25. The inner wall limiting sleeve of the rotating frame 25 is arranged in the middle part of the outer wall of the body 12, and the interior of the rotating frame 25 is fixedly connected with a filter screen 26. Through this design, the first bevel gear 23 is meshed to drive the second bevel gear 24, the rotating frame 25 and the filter screen 26 to rotate in a limited position.

[0026] A lifting mechanism 3 is provided inside the transmission box 17, and the lifting mechanism 3 includes a second motor 31. The left side of the second motor 31 is fixedly connected to the middle part of the right side of the transmission box 17. The middle part of the left side of the second motor 31 is fixedly connected to a transmission shaft 32. The left end of the transmission shaft 32 passes through the transmission box 17 and is fixedly connected to a third bevel gear 33. Through this design, the second motor 31 drives the transmission shaft 32 and the third bevel gear 33 to rotate in a limited position. The left side of the third bevel gear 33 is meshedly connected to a fourth bevel gear 34. The inner wall of the fourth bevel gear 34 is fixedly connected to a transmission worm 35. The two ends of the transmission worm 35 are movably connected to the inner wall of the transmission box 17. Through this design, the third bevel gear 33 is realized. The meshing of the gear 33 drives the fourth bevel gear 34 and the transmission worm 35 to limit the rotation. The transmission worm 35 is meshed with a transmission worm wheel 36 on both sides of the outer wall. The inner wall of the transmission worm wheel 36 is fixedly connected with a transmission screw 37. The bottom end of the transmission screw 37 is movably connected to the bottom of the inner wall of the transmission box 17. Through this design, the transmission worm 35 is meshed to drive the transmission worm wheel 36 and the transmission screw 37 to limit the rotation. The top end of the transmission screw 37 passes through the lifting plate 13 and is sleeved with a fixed screw barrel 38. The top end of the fixed screw barrel 38 is fixedly connected to the inner top of the body 12. Through this design, the transmission screw 37 drives the lifting plate 13 and the transmission box 17 to slide up and down along the inner wall of the fixed screw barrel 38.

[0027] Working principle: When the filter 26 needs to be rotated and replaced, the first motor 21 is first started through the controller 18. The first motor 21 drives the rotating shaft 22 to rotate in a limited position, and the rotating shaft 22 drives the first bevel gear 23 to rotate synchronously. The first bevel gear 23 engages and drives the second bevel gear 24 to rotate. The second bevel gear 24 drives the rotating frame 25 to rotate in a limited position, and the rotating frame 25 drives the filter 26 to rotate synchronously, so that the filter 26 at the air inlet moves to the air outlet, thereby realizing the rotation replacement operation of the filter 26.

[0028] When it is necessary to lift and push the detection head 14, first start the second motor 31 through the controller 18, the second motor 31 drives the transmission shaft 32 to limit the rotation, the transmission shaft 32 drives the third bevel gear 33 to rotate synchronously, the third bevel gear 33 engages to drive the fourth bevel gear 34 to rotate, the fourth bevel gear 34 drives the transmission worm 35 to limit the rotation, the transmission worm 35 engages to drive the transmission worm wheel 36 to rotate synchronously, the transmission worm wheel 36 drives the transmission screw 37 to limit the rotation, the transmission screw 37 is restricted by the fixed screw barrel 38, so that the transmission screw 37 drives the lifting plate 13, the transmission box 17 and the detection head 14 to slide up and down, thereby realizing the lifting and pushing operation of the detection head 14, and the operation ends here.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A coal mine underground environment monitor, comprising a fixing seat (11), characterized in that: The bottom of the fixing seat (11) is fixedly connected to a body (12); a lifting plate (13) is provided below the body (12); a detection head (14) is fixedly connected to the middle of the top of the lifting plate (13); a fan (15) is fixedly connected to the right side of the inside of the body (12); a fixing frame (16) is fixedly connected to the lower left side of the outer wall of the body (12); a transmission box (17) is fixedly connected to the bottom of the lifting plate (13); and a controller (18) is fixedly connected to the front side of the transmission box (17); A rotating mechanism (2) is provided inside the fixed frame (16), the rotating mechanism (2) comprising a first motor (21), the right side of the first motor (21) being fixedly connected to the left side of the fixed frame (16), and a lifting mechanism (3) is provided inside the transmission box (17), the lifting mechanism (3) comprising a second motor (31), the left side of the second motor (31) being fixedly connected to the middle of the right side of the transmission box (17).

2. The coal mine underground environment monitor according to claim 1, characterized in that: A rotating shaft (22) is fixedly connected to the right side of the first motor (21); the right end of the rotating shaft (22) passes through the fixing frame (16) and is fixedly connected to a first bevel gear (23); and a second bevel gear (24) is meshingly connected to the top of the first bevel gear (23).

3. The coal mine underground environment monitor according to claim 2, characterized in that: The inner wall of the second bevel gear (24) is fixedly connected to a rotating frame (25), the inner wall limit sleeve of the rotating frame (25) is arranged in the middle of the outer wall of the machine body (12), and the interior of the rotating frame (25) is fixedly connected to a filter screen (26).

4. The coal mine underground environment monitor according to claim 1, characterized in that: A transmission shaft (32) is fixedly connected to the middle portion of the left side of the second motor (31); the left end of the transmission shaft (32) passes through the transmission box (17) and is fixedly connected to a third bevel gear (33).

5. The coal mine underground environment monitor according to claim 4, characterized in that: The left side of the third bevel gear (33) is meshingly connected with a fourth bevel gear (34), the inner wall of the fourth bevel gear (34) is fixedly connected with a transmission worm (35), and both ends of the transmission worm (35) are movably connected to the inner wall of the transmission box (17).

6. The underground coal mine environment monitor according to claim 5, characterized in that: The outer walls of the transmission worm (35) are meshingly connected with a transmission worm wheel (36), the inner wall of the transmission worm wheel (36) is fixedly connected with a transmission screw (37), and the bottom end of the transmission screw (37) is movably connected to the bottom of the inner wall of the transmission box (17).

7. The underground coal mine environment monitor according to claim 6, characterized in that: The top end of the transmission screw rod (37) passes through the lifting plate (13) and is sleeved with a fixed screw barrel (38), and the top end of the fixed screw barrel (38) is fixedly connected to the inner top end of the machine body (12).

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