CN211370480U

CN211370480U - Coal mine underground gas extraction monitoring device

Info

Publication number: CN211370480U
Application number: CN201922390820.7U
Authority: CN
Inventors: 许国胜; 范晓杰; 李回贵; 关金锋
Original assignee: Guizhou University of Engineering Science
Current assignee: Guizhou University of Engineering Science
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-28
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a coal mine underground gas extraction monitoring device, which comprises a top plate, wherein screw rods are inserted into two sides of the top plate, the lower ends of the two screw rods are respectively provided with a rotating block, a lifting device is arranged on the top plate and between the two screw rods, the lower end of the lifting device is provided with a connecting rod, one end of the connecting rod, which is far away from the lifting device, is provided with an installation block, two sides of the installation block are respectively provided with an alarm, the upper end of one side of the installation block is provided with a camera, one side of the camera and one side of the installation block are provided with a lighting lamp, one side of the installation block, which is below the camera and the lighting lamp and is arranged below the installation block is provided with a methane sensor, the upper end of the screw rod is in a conical structure, the inner side of the top plate is provided with a threaded hole which is matched with the screw rod, one side of the camera and, one end of the first fixed plate is provided with a first movable frame.

Description

Coal mine underground gas extraction monitoring device

Technical Field

The utility model relates to a supervisory equipment technical field particularly, relates to a colliery is gas drainage monitoring device for in pit.

Background

At present, gas monitoring and control are important basic works of coal mine safety production, and are one of important protective measures for preventing major accidents such as ventilation, gas and the like from happening in a mine and guaranteeing safety production. The methane sensor in the gas monitoring system is the most common gas extraction monitoring device. At present, the weight of gas in a coal mine is light, the gas is usually collected at the top of a roadway, so that the methane sensor is very inconvenient to hang and disassemble, the methane sensor is easy to fall off due to the fact that networking ropes are not firmly bound, and the height of the methane sensor cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to above not enough, provide a colliery is gas drainage monitoring device for in pit, solve the problem that above-mentioned background art provided.

The technical scheme of the utility model is realized like this:

the utility model provides a colliery is gas drainage monitoring device for pit, includes the roof, the both sides of roof all alternate and are equipped with the screw rod, and are two sets of the lower extreme of screw rod all is equipped with rotatory piece, just be located two sets of on the roof be equipped with elevating gear between the screw rod, elevating gear's lower extreme is equipped with the connecting rod, the connecting rod is kept away from elevating gear's one end is equipped with the installation piece, the both sides of installation piece all are equipped with the alarm, one side upper end of installation piece is equipped with the camera, one side of camera just is located one side of installation piece is equipped with the light, the camera reaches the below of light just is located one side of installation piece is equipped with the methane sensor.

Preferably, the upper end of the screw rod is in a conical structure, and a threaded hole matched with the screw rod is formed in the inner side of the top plate.

Preferably, one side of the camera and the illuminating lamp is provided with a transparent protective cover.

Preferably, the lifting device comprises a first fixed plate, a second fixed plate and a sliding chute, the first fixed plate, the second fixed plate and the upper end of the sliding chute are connected with the lower end of the top plate, a first movable frame is arranged at one end of the first fixed plate, a first movable shaft is arranged at one end of the second fixed plate in an inserting mode, a second movable frame is arranged at one end of the first movable shaft, a motor is arranged at the other end of the first movable shaft, and a limiting groove is formed in the inner side of the first movable frame and the inner side of the second movable frame.

Preferably, a first sliding block matched with the limiting groove is arranged on the inner side of the first movable frame, a second sliding block matched with the limiting groove is arranged on the inner side of the second movable frame, a third sliding block matched with the sliding groove is arranged on the inner side of the sliding groove, and one side of the third sliding block is connected with one end of the connecting rod.

Preferably, the first sliding block, the second sliding block and the third sliding block are connected through a rotating shaft, and the first movable frame is connected with the first fixed plate through a second movable shaft.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect: the utility model discloses not only can accurately detect tunnel top gas concentration everywhere, be convenient for simultaneously install and maintain. Specifically speaking, the staff only need will the utility model discloses place in the region that needs the detection, then adjust elevating gear's height can, reduced the potential safety hazard that the ascending height caused, when gas detector need overhaul the maintenance, the staff only need operate at the low level can.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the overall structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lifting device according to an embodiment of the present invention.

In the figure:

1. a top plate; 2. a screw; 3. rotating the block; 4. a lifting device; 5. a connecting rod; 6. mounting blocks; 7. an alarm; 8. a camera; 9. an illuminating lamp; 10. a methane sensor; 11. a transparent protective cover; 12. a first fixing plate; 13. a second fixing plate; 14. a chute; 15. a first movable frame; 16. a first movable shaft; 17. a second movable frame; 18. a motor; 19. a limiting groove; 20. a first sliding block; 21. a second sliding block; 22. a third sliding block; 23. a rotating shaft; 24. and a second movable shaft.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention will be further explained with reference to the drawings and the specific embodiments.

An embodiment, as shown in fig. 1, according to the utility model discloses a colliery is gas drainage monitoring device for pit, including roof 1, roof 1's both sides all alternate and are equipped with screw rod 2, and are two sets of the lower extreme of screw rod 2 all is equipped with rotatory piece 3, just be located two sets of on roof 1 be equipped with elevating gear 4 between the screw rod 2, elevating gear 4's lower extreme is equipped with connecting rod 5, connecting rod 5 keeps away from elevating gear 4's one end is equipped with installation piece 6, installation piece 6's both sides all are equipped with alarm 7, one side upper end of installation piece 6 is equipped with camera 8, one side of camera 8 just is located one side of installation piece 6 is equipped with light 9, camera 8 reaches the below of light 9 just is located one side of installation piece 6 is equipped with methane sensor 10.

In the second embodiment, as shown in fig. 1, the upper end of the screw rod 2 is in a conical structure, a threaded hole matched with the screw rod 2 is formed in the inner side of the top plate 1, and a transparent protective cover 11 is arranged on one side of the camera 8 and one side of the illuminating lamp 9.

In a third embodiment, as shown in fig. 2, the lifting device 4 includes a first fixed plate 12, a second fixed plate 13, and a sliding chute 14, the upper ends of the first fixed plate 12, the second fixed plate 13, and the sliding chute 14 are all connected to the lower end of the top plate 1, a first movable frame 15 is disposed at one end of the first fixed plate 12, a first movable shaft 16 is inserted into one end of the second fixed plate 13, a second movable frame 17 is disposed at one end of the first movable shaft 16, a motor 18 is disposed at the other end of the first movable shaft 16, and a limiting groove 19 is disposed on the inner sides of the first movable frame 15 and the second movable frame 17.

In a fourth embodiment, as shown in fig. 2, a first sliding block 20 matched with the limiting groove 19 is arranged on the inner side of the first movable frame 15, a second sliding block 21 matched with the limiting groove 19 is arranged on the inner side of the second movable frame 17, a third sliding block 22 matched with the sliding groove 14 is arranged on the inner side of the sliding groove 14, one side of the third sliding block 22 is connected with one end of the connecting rod 5, the first sliding block 20, the second sliding block 21 and the third sliding block 22 are connected through a rotating shaft 23, and the first movable frame 15 is connected with the first fixing plate 12 through a second movable shaft 24.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, according to a specific working principle, the upper end of the screw rod 2 is inserted into the top of the well, the top plate 1 is fixed to the top of the well, the screw rod 2 is driven to rotate through the rotating block 3, so that the fixing is firmer, the inside of the well can be photographed and illuminated through the arrangement of the camera 8 and the illuminating lamp 9, the methane sensor 10 is arranged to detect gas inside the well, when the concentration exceeds the standard, the alarm 7 gives an alarm, when the height of the mounting block 6 needs to be adjusted, the motor 18 is driven to work through the external control switch, so that the movable shaft I16 is driven to rotate, the movable frame II 17 is driven to move, the movable frame II 17 drives the slide II 21 to move on the limiting groove 19, because the slide II 21 is connected with the slide I20 and the slide III 22 through the rotating shaft 23, and the slide I20 moves in the limiting groove 19 in the movable frame I15, the third sliding block 22 moves in the sliding groove 14, and then the third sliding block 22 drives one end of the connecting rod 5 to move up and down, so that the height adjustment of the mounting block 6 is completed.

Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. A coal mine underground gas extraction monitoring device is characterized by comprising a top plate (1), the two sides of the top plate (1) are respectively provided with a screw (2) in an inserting way, the lower ends of the two groups of screw (2) are respectively provided with a rotating block (3), a lifting device (4) is arranged on the top plate (1) and between the two groups of screw rods (2), a connecting rod (5) is arranged at the lower end of the lifting device (4), an installation block (6) is arranged at one end of the connecting rod (5) far away from the lifting device (4), the two sides of the mounting block (6) are both provided with an alarm (7), the upper end of one side of the mounting block (6) is provided with a camera (8), an illuminating lamp (9) is arranged on one side of the camera (8) and one side of the mounting block (6), the camera (8) and the lower part of the illuminating lamp (9) are provided with a methane sensor (10) on one side of the mounting block (6).

2. The gas extraction monitoring device for the underground coal mine according to claim 1, wherein the upper end of the screw rod (2) is of a conical structure, and a threaded hole matched with the screw rod (2) is formed in the inner side of the top plate (1).

3. The gas extraction monitoring device for the underground coal mine according to claim 1, wherein a transparent protective cover (11) is arranged on one side of the camera (8) and one side of the illuminating lamp (9).

4. The coal mine underground gas extraction monitoring device according to claim 1, wherein the lifting device (4) comprises a first fixed plate (12), a second fixed plate (13) and a sliding chute (14), the upper ends of the first fixed plate (12), the second fixed plate (13) and the sliding chute (14) are connected with the lower end of the top plate (1), a first movable frame (15) is arranged at one end of the first fixed plate (12), a first movable shaft (16) is inserted into one end of the second fixed plate (13), a second movable frame (17) is arranged at one end of the first movable shaft (16), a motor (18) is arranged at the other end of the first movable shaft (16), and limiting grooves (19) are formed in the inner sides of the first movable frame (15) and the second movable frame (17).

5. The coal mine underground gas extraction monitoring device according to claim 4, wherein a first sliding block (20) matched with the limiting groove (19) is arranged on the inner side of the first movable frame (15), a second sliding block (21) matched with the limiting groove (19) is arranged on the inner side of the second movable frame (17), a third sliding block (22) matched with the sliding groove (14) is arranged on the inner side of the sliding groove (14), and one side of the third sliding block (22) is connected with one end of the connecting rod (5).

6. The gas extraction monitoring device for the underground coal mine according to claim 5, wherein the first sliding block (20), the second sliding block (21) and the third sliding block (22) are connected through a rotating shaft (23), and the first movable frame (15) and the first fixed plate (12) are connected through a second movable shaft (24).