CN220705768U

CN220705768U - Gas concentration detection device

Info

Publication number: CN220705768U
Application number: CN202320796312.2U
Authority: CN
Inventors: 刘营营
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2024-04-02
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a gas concentration detection device, which comprises a device body, wherein a protective frame is arranged on the surface of the device body, a flow guide adjusting mechanism is arranged at the top end of the device body, the flow guide adjusting mechanism comprises an exhaust fan, a corrugated pipe and an electric lifting column, the exhaust fan is fixedly arranged at the top end of the device body, one end of the exhaust fan is connected with the corrugated pipe in a clamping way, the electric lifting column is symmetrically and fixedly arranged at the top end of the device body, air can be conveniently extracted into the device, the extraction position can be adjusted, and a supporting and extending mechanism is arranged at the bottom end of the protective frame.

Description

Gas concentration detection device

Technical Field

The utility model relates to the technical field of coal mine safety monitoring, in particular to a gas concentration detection device.

Background

The coal mine is an area where coal resources are mined in a mining area rich in coal, is generally divided into an underground coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be mined into an underground mining roadway, the underground coal mine is generally selected to be mined by directly stripping off an earth surface soil layer when the coal seam is very close to the ground surface, and the open pit coal mine is used for mining, gas is flushed out from surrounding rocks of a roadway, the coal seam, the goaf and the like in the coal mine mining process, and the flushed gas not only endangers the life health of underground workers, but also can cause serious safety accidents, so that timely, effective and convenient detection of the gas concentration of a working face has unusual significance. In the process of coal mine gas concentration detection, a gas concentration detector is generally used for automatically detecting the gas concentration produced by a coal mine in the process of mining, so that the concentration detection related data is displayed on a display screen arranged on the gas concentration detector, and therefore, the Chinese patent discloses a gas concentration detection early warning device for coal mine mining, which is provided with a 202222854416.2 application number, through a rotating handle, and is matched with a rotating rod, an adjusting block, a bearing, a limiting sliding groove, a limiting sliding block and a lifting plate, the gas concentration detector can be stably driven to move downwards and shrink into a forehead cavity of a protective cover, the whole device can be protected through the protective cover, and the safety of the device is improved.

Although the application satisfies user's user demand to a certain extent, still there is certain defect in the in-service use, and specific problem is as follows, and the device is when using, is inconvenient to adjust the position of device to lead to the device to only can detect the gas concentration in the air of a certain extent, not only reduced the device and detected the efficiency of gas concentration, put the problem that the skew appears in the easy detection effect that leads to in a position in addition.

Disclosure of Invention

The utility model provides a gas concentration detection device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the gas concentration detection device comprises a device body, wherein a protective frame is arranged on the surface of the device body, a flow guiding and adjusting mechanism is arranged at the top end of the device body, and the flow guiding and adjusting mechanism comprises an exhaust fan, a corrugated pipe and an electric lifting column;

the device comprises a device body, and is characterized in that an exhaust fan is fixedly arranged at the top end of the device body, one end of the exhaust fan is connected with a corrugated pipe in a clamping mode, electric lifting columns are symmetrically and fixedly arranged at the top end of the device body, air can be conveniently extracted into the device, and the extraction position can be adjusted;

the bottom end of the protective frame is provided with a support extension mechanism, and the support extension mechanism comprises a connecting column, a connecting circular plate and a support block;

the protection frame bottom welded connection has the spliced pole, spliced pole surface sliding connection has the connection plectane, the inside even sliding connection of connection plectane has the supporting shoe, can be convenient for support to can prolong the supporting position.

Preferably, the diversion adjusting mechanism further comprises a support column, a collecting box, a pipeline and a wind scooper;

the device comprises a device body, and is characterized in that support columns are uniformly and fixedly arranged at the top end of the device body, a collector box is fixedly connected between the four support columns, pipelines are symmetrically embedded and arranged at the bottom end of the collector box, and a wind scooper is connected with the other end of the corrugated pipe in a clamping manner.

Preferably, the support extension mechanism further comprises a bolt, an adjusting frame and a sliding block;

the surface of the connecting circular plate is uniformly connected with bolts through threads, two ends of the connecting circular plate are symmetrically and fixedly provided with adjusting frames, and sliding blocks are symmetrically and movably connected inside the adjusting frames.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. through water conservancy diversion adjustment mechanism, can be convenient for carry out the extraction with the air to inside the device to improved the device and detected the efficiency of gas concentration, and can adjust the extraction position, be convenient for detect the gas concentration of different positions department, and then detect the application scope through the device.

2. Through supporting extension mechanism, can be convenient for support the device when placing to improved the device and detected the stability when air, and can prolong the supporting position, thereby further improve the device and detect the stability when air.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a diversion adjustment mechanism of the present utility model;

fig. 3 is a schematic structural view of the support extension mechanism of the present utility model.

Reference numerals in the drawings: 1. a device body; 2. a protective frame;

3. a diversion adjusting mechanism; 301. a support column; 302. a header; 303. a pipe; 304. an exhaust fan; 305. a bellows; 306. an electric lifting column; 307. a wind scooper;

4. a support extension mechanism; 401. a connecting column; 402. a connecting circular plate; 403. a bolt; 404. an adjusting frame; 405. a slide block; 406. and a supporting block.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-3, the utility model provides a technical scheme, namely a gas concentration detection device, which comprises a device body 1, wherein a protective frame 2 is arranged on the surface of the device body 1, a diversion adjusting mechanism 3 is arranged at the top end of the device body 1, and the diversion adjusting mechanism 3 comprises an exhaust fan 304, a corrugated pipe 305 and an electric lifting column 306;

the top end of the device body 1 is fixedly provided with an exhaust fan 304, the input end of the exhaust fan 304 is electrically connected with the output end of an external power supply, the other end of the exhaust fan 304 is internally connected with a collecting box 302, gas is conveniently led into the collecting box 302, one end of the exhaust fan 304 is connected with a corrugated pipe 305 in a clamping way, the top end of the device body 1 is symmetrically and fixedly provided with an electric lifting column 306, the input end of the electric lifting column 306 is electrically connected with the output end of the external power supply, and the electric lifting column 306 is fixedly connected with the collecting box 302, so that the position of the electric lifting column 306 is conveniently fixed;

the diversion adjusting mechanism 3 further comprises a support column 301, a collecting box 302, a pipeline 303 and a wind scooper 307;

support columns 301 are uniformly and fixedly arranged at the top end of the device body 1, a collecting box 302 is fixedly connected between the four support columns 301, pipelines 303 are symmetrically embedded and arranged at the bottom ends of the collecting boxes 302, the other ends of the pipelines 303 are connected with the device body 1, gas is conveniently pumped into the device body 1, a wind scooper 307 is connected with the other ends of the corrugated pipes 305 in a clamping mode, and the wind scooper 307 is fixedly connected with two electric lifting columns 306, so that the position of the wind scooper 307 is conveniently fixed.

When the device is used, the device body 1 is placed at a required position, then the exhaust fan 304 at the top end of the collecting box 302 is started, so that the exhaust fan 304 operates, the exhaust fan 304 drives the air guide cover 307 to enable external air to enter the air guide cover 307, then the air enters the corrugated pipe 305 along the inside of the air guide cover 307, is led into the collecting box 302 supported by the support column 301 through the exhaust fan 304 along the inside of the corrugated pipe 305, enters the pipeline 303 along the inside of the pipeline 303 through the inside of the collecting box 302, and enters the surface of the device body 1, so that the efficiency of the device for detecting the gas concentration is improved, the electric lifting column 306 is started, the electric lifting column 306 operates, drives the air guide cover 307 to move, drives the corrugated pipe 305 to stretch when the air guide cover 307 moves, and then stops operating the electric lifting column 306 after the air guide cover 307 moves to the required position, the gas concentration at different positions is detected conveniently, and the application range of the device for detecting the gas concentration is further provided.

The bottom end of the protective frame 2 is provided with a support extension mechanism 4, and the support extension mechanism 4 comprises a connecting column 401, a connecting circular plate 402 and a support block 406;

the bottom end of the protection frame 2 is welded and connected with a connecting column 401, the surface of the connecting column 401 is connected with a connecting circular plate 402 in a sliding manner, and a supporting block 406 is uniformly connected in the connecting circular plate 402 in a sliding manner.

The support extension mechanism 4 further comprises a bolt 403, an adjusting frame 404 and a slider 405;

the surface of the connecting circular plate 402 is uniformly connected with a bolt 403 through threads, the bolt 403 is connected with the inside of the connecting column 401 through threads, the position of the connecting column 401 is convenient to limit, the two ends of the connecting circular plate 402 are symmetrically and fixedly provided with an adjusting frame 404, the inside of the adjusting frame 404 is symmetrically and movably connected with a sliding block 405, and the sliding block 405 is connected with the adjusting frame 404 through a bolt, so that the position of the sliding block 405 is convenient to position.

During the use, connect between spliced pole 401 and the connection plectane 402 with protection frame 2 bottom, then rotate bolt 403, make bolt 403 enter into spliced pole 401 inside through the connection plectane 402, thereby fix the position of device body 1, thereby the stability of the device when detecting the air has been improved, remove the inside slider 405 of adjusting frame 404, make slider 405 remove, drive supporting shoe 406 remove when slider 405 removes, stop removing slider 405 after removing the required position department with supporting shoe 406, fix the position of slider 405 through the bolt, can prolong the supporting position, thereby the stability of the device when detecting the air is further improved.

Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a gas concentration detection device, includes device body (1), device body (1) surface mounting has protection frame (2), its characterized in that: a flow guiding and adjusting mechanism (3) is arranged at the top end of the device body (1), and the flow guiding and adjusting mechanism (3) comprises an exhaust fan (304), a corrugated pipe (305) and an electric lifting column (306);

an exhaust fan (304) is fixedly arranged at the top end of the device body (1), a corrugated pipe (305) is connected with one end of the exhaust fan (304) in a clamping mode, and electric lifting columns (306) are symmetrically and fixedly arranged at the top end of the device body (1);

a support extension mechanism (4) is arranged at the bottom end of the protective frame (2), and the support extension mechanism (4) comprises a connecting column (401), a connecting circular plate (402) and a support block (406);

the protective frame is characterized in that a connecting column (401) is welded at the bottom end of the protective frame (2), a connecting circular plate (402) is connected to the surface of the connecting column (401) in a sliding mode, and supporting blocks (406) are uniformly connected to the inner portion of the connecting circular plate (402) in a sliding mode.

2. The gas concentration detection apparatus according to claim 1, wherein the diversion adjustment mechanism (3) further comprises a support column (301), a header (302), a pipe (303), and a wind scooper (307);

the device comprises a device body (1), wherein support columns (301) are uniformly and fixedly arranged at the top end of the device body (1), a collecting box (302) is fixedly connected between the four support columns (301), pipelines (303) are symmetrically embedded and arranged at the bottom end of the collecting box (302), and a wind scooper (307) is connected to the other end of a corrugated pipe (305) in a clamping mode.

3. A gas concentration detection apparatus according to claim 2, wherein the other end of the pipe (303) is connected to the apparatus body (1), and the other end of the suction fan (304) is connected to the inside of the header (302).

4. The gas concentration detection apparatus according to claim 2, wherein the electric lifting columns (306) and the current collector (302) are fixedly connected, and the wind scooper (307) is fixedly connected with the two electric lifting columns (306).

5. The gas concentration detection apparatus according to claim 1, wherein the support extension mechanism (4) further comprises a bolt (403), an adjustment frame (404), and a slider (405);

the surface of the connecting circular plate (402) is uniformly connected with bolts (403) through threads, two ends of the connecting circular plate (402) are symmetrically and fixedly provided with adjusting frames (404), and sliding blocks (405) are symmetrically and movably connected inside the adjusting frames (404).

6. The gas concentration detection apparatus according to claim 5, wherein the bolt (403) is screwed to the inside of the connecting column (401), and the slider (405) is screwed to the adjusting frame (404).