CN205349425U - Mine gas safety monitoring device - Google Patents
Mine gas safety monitoring device Download PDFInfo
- Publication number
- CN205349425U CN205349425U CN201620055543.8U CN201620055543U CN205349425U CN 205349425 U CN205349425 U CN 205349425U CN 201620055543 U CN201620055543 U CN 201620055543U CN 205349425 U CN205349425 U CN 205349425U
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- Prior art keywords
- bellows
- monitoring device
- gas
- safety monitoring
- collecting chamber
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Abstract
The utility model relates to a coal mining safety device field. Aim at provides a convenient to use's mine gas safety monitoring device. The utility model provides a: a mine gas safety monitoring device, includes gas collecting chamber, last air inlet and the gas outlet of setting up of gas collecting chamber sets up the gas boring and surveying ware in the gas collecting chamber. The air inlet is connected with the one end of bellows, the other end extensible of bellows is to top of roadway portion and set up the connecting piece at this end. Air inlet department sets up the draught fan. The utility model discloses not only can be accurate the gas density of detection top of roadway portion, the installation and maintenance of being convenient for simultaneously. The staff no longer need carry out the installation of gas boring and surveying ware with the help of instruments of ascending a height such as double ladders, and this is labour saving and time saving undoubtedly, also great reduction the potential safety hazard of ascending a height and causing.
Description
Technical field
This utility model relates to coal mining security appliance field, is specifically related to mine gas supervising device.
Background technology
Gas is the accompanying gas in coal generation process, is mainly composed of methane.Gas is the first killer of coal mining, and in the great serious accident of China's coal-mine, the accident that gas explosion causes accounts for 70%.In recent years, along with the raising of shaft production Mechanization Level, a lot of mining areas have had been enter into deep mining, and gas emission sharply increases.
Lighter in weight due to gas, it will usually be gathered in top, tunnel, so " safety regulations in coal mine " regulation, gas detector should be suspended on distance top board above tunnel and be not more than 300mm, and distance tunnel sidewall is not less than the position of 200mm.For the problems referred to above, prior art mainly has two kinds of settling modes, the first: it is gas detector is suspended on the supporting mesh of top board, anchor cable, but adopt in this way, when installation and removal, staff all needs to climb up by ladder to climb down, and this not only wastes time and energy, and there is certain potential safety hazard.The second: be when the roadway support stage starts, gas detector is suspended on hydraulic support and makes it rise to top, tunnel when hydraulic support opens with hydraulic support, but hydraulic support plays the effect of supporting roof, can not arbitrarily lift, therefore, when period needs to adjust or safeguard, staff need nonetheless remain for ascending a height by ladder.It is badly in need of a kind of gas density that can effectively detect top, tunnel at present, again the convenient gas-monitoring equipment used.
Summary of the invention
The purpose of this utility model is in that to provide a kind of mine gas safety monitoring device easy to use.
For achieving the above object, this utility model be the technical scheme is that a kind of mine gas safety monitoring device, including air collecting chamber, described air collecting chamber arranges air inlet and gas outlet, arranges gas detector in air collecting chamber.Described air inlet is connected with one end of bellows, and the other end of described bellows may extend to top, tunnel and arranges connector at this end, and described air inlet place arranges air-introduced machine.
Preferably, described bellows outer surface arranges soft fibrous layer, and described soft fibrous layer is made up of fluffy textile fabric.
Preferably, described bellows is from the one end near air inlet to the other end from large to small.
Preferably, described bellows end arranges funnelform air inlet disk.
Preferably, described air collecting chamber is arranged on base, and described base lower surface arranges universal wheel.
Preferably, described air collecting chamber outer surface arranges audible-visual annunciator, and described audible-visual annunciator is connected with gas detector, described gas detector and control centre's wireless connections.
Preferably, described base arranges reel.
Preferably, described bellows is uniformly arranged multiple connector.
The beneficial effects of the utility model embody a concentrated reflection of, and can not only accurately detect the gas density at top, tunnel, simultaneously facilitate installation and safeguard.Particularly, staff has only to this utility model is placed on the region that need to detect, then by after bellows bending or stretching so that it is extend to top, tunnel.The air sample at top, tunnel can be evacuated to plenum chamber by air-introduced machine, and gas detector has only to that the gas in plenum chamber carries out detection just can accurately detect the gas density at top, tunnel.Compared to the prior art, it is no longer necessary to carry out the installation of gas detector by ascending tools such as double ladders, this is time saving and energy saving undoubtedly, the potential safety hazard that also greatly reducing ascends a height causes.When gas detector needs repair and maintenance, staff has only to be operated at low level.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is scheme of installation of the present utility model；
Fig. 3 is the structural representation of bellows.
Detailed description of the invention
In conjunction with a kind of mine gas safety monitoring device shown in Fig. 1-3, including air collecting chamber 1, described air collecting chamber 1 is used for collecting gas, and air collecting chamber 1 arranges air inlet 2 and gas outlet 3, arranging gas detector 4 in air collecting chamber 1, gas detector 4 is for detecting the gas density in air collecting chamber 1.Described air inlet 2 is connected with one end of bellows 5, the other end of described bellows 5 may extend to top, tunnel and arranges connector 51 at this end, described connector 51 can be prefabricated at the hook of its outer surface, link etc. in bellows 5 process segment, it is also possible to is that at bellows 5 outer surface and wire binding is bent into hook-shaped, ring-type.Bellows 5 generally selects the good plastic film capicitor of moulding ability, can also be outside bellows 5, set up auxiliary body to promote the performance of its plastic deformation, such as tying up a steel wire along its length to strengthen its moulding ability outside bellows 5, the size of steel wire is arranged according to the size of bellows 5.The length of described bellows 5 is adjusted according to the height in tunnel.Described air inlet 2 place arranges air-introduced machine 6, and the outlet side of described air-introduced machine 6 is towards air collecting chamber 1, it is possible to being pumped by the air sample at top, tunnel to air collecting chamber 1, the driver part of usual air-introduced machine 6 adopts low power fire-proof motor.
In use, first this utility model is moved to place to be measured by staff, then bellows 5 is bent and is stretched, carries out moulding to it.Then, making the end of bellows 5 be positioned at top, tunnel, in moulding process, be usually and first bent by the root of bellows 5, namely bellows 5 bottom shown in Fig. 2 first bends.Then end is carried out moulding, namely the top of the bellows 5 shown in Fig. 2, then again by root righting, make the end of bellows 5 be placed exactly in top, tunnel, and make connector 51 be hooked on the parts such as the supporting mesh at top, tunnel, anchor cable.
Further, it is possible to arranging soft fibrous layer 7 as shown in Figure 3 at described bellows 5 outer surface, described soft fibrous layer 7 is made up of fluffy textile fabric.Textile fabric is usually woven into tubular by described soft fibrous layer 7, and is set in outside bellows 5；Can certainly be being compounded in outside bellows 5 as shown in Figure 3.Owing to the crag surface in tunnel is rougher, soft fibrous layer 7 a degree of can stick to crag surface, is specifically referred to the magic tape structure of clothes.Described bellows 5 can be respectively provided with soft fibrous layer 7 by whole outer surface, naturally it is also possible to is arrange one section of soft fibrous layer 7 at bellows 5 outer surface every one section.Furthermore it is also possible to described bellows 5 is set near one end of air inlet 2 to other end shape from large to small.Such bellows 5 is owing to end size is little, lighter in weight, it is possible to improve its moulding ability further.Described bellows 5 end can also arrange funnelform air inlet disk 8, and the opening of usual air inlet disk 8 is downward, it is simple to stopping that impurity falls into bellows 5, certain described air inlet disk 8 is generally additionally provided with dust-filtering net.
When, after bellows 5 installation, now air-introduced machine 6 is opened and just can be sucked by sample gas, and detect its concentration by gas detector 4.Air-introduced machine 6 can be normally opened, it is also possible to is interrupted and opens, and this is accomplished by selecting according to on-the-spot practical situation.In order to promote performance of the present utility model further, described air collecting chamber 1 outer surface arranges audible-visual annunciator 10, and described audible-visual annunciator 10 is connected with gas detector 4, described gas detector 4 and control centre's wireless connections.If be detected that gas density too high, then audible-visual annunciator 10 is reported to the police, remind staff, and just detect data transmission to control centre achieve, analyze.So that when gas density is abnormal, it is possible to quickly make reply.Can also arranging bypass line on described bellows 5, described bypass line is connected by three-way valve with bellows 5.The end of bypass line is generally arranged at low level, and so by the switching of three-way valve, the gas density of high-low-position just can all be detected by gas detector 4.
When work surface needs to advance, due to this utility model small in volume, it is possible to directly carry to next detection position.If certainly some occasion need to use larger in size time, it is also possible to being arranged on base by described air collecting chamber 1, described base lower surface arranges universal wheel 9, utilizes universal wheel 9 to push this device and moves.Now owing to the size of bellows 5 itself increases to some extent, just can be uniformly arranged multiple connector 51 on described bellows 5, if tunnel sidewall has anchor cable or the supporting mesh etc. of protrusion, then connector 51 can adopt the form of hook, is hung over by hook on the sidewall of tunnel.If tunnel sidewall is smooth, it does not have the point of hook, connector 51 can be just U-shaped clamp, utilizes U-shaped clamp to block bellows 5, is then fixed in wall by U-shaped clamp.Certainly can also is that other have the parts of similar functions.Further, described base arranges reel 11.After use completes, bellows 5 can be rolled by reel 11.
Claims (8)
1. a mine gas safety monitoring device, it is characterized in that: include air collecting chamber (1), described air collecting chamber (1) arranges air inlet (2) and gas outlet (3), gas detector (4) is set in air collecting chamber (1)；Described air inlet (2) is connected with one end of bellows (5), and the other end of described bellows (5) may extend to top, tunnel and arranges connector (51) at this end；Described air inlet (2) place arranges air-introduced machine (6).
2. mine gas safety monitoring device according to claim 1, it is characterised in that: described bellows (5) outer surface arranges soft fibrous layer (7), and described soft fibrous layer (7) is made up of fluffy textile fabric.
3. mine gas safety monitoring device according to claim 2, it is characterised in that: described bellows (5) is from the one end near air inlet (2) to the other end from large to small.
4. mine gas safety monitoring device according to claim 3, it is characterised in that: described bellows (5) end arranges funnelform air inlet disk (8).
5. mine gas safety monitoring device according to claim 4, it is characterised in that: described air collecting chamber (1) is arranged on base, and described base lower surface arranges universal wheel (9).
6. mine gas safety monitoring device according to claim 5, it is characterized in that: described air collecting chamber (1) outer surface arranges audible-visual annunciator (10), described audible-visual annunciator (10) is connected with gas detector (4), described gas detector (4) and control centre's wireless connections.
7. mine gas safety monitoring device according to claim 6, it is characterised in that: described base arranges reel (11).
8. mine gas safety monitoring device according to claim 7, it is characterised in that: described bellows (5) is uniformly arranged multiple connector (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055543.8U CN205349425U (en) | 2016-01-21 | 2016-01-21 | Mine gas safety monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055543.8U CN205349425U (en) | 2016-01-21 | 2016-01-21 | Mine gas safety monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349425U true CN205349425U (en) | 2016-06-29 |
Family
ID=56176793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620055543.8U Expired - Fee Related CN205349425U (en) | 2016-01-21 | 2016-01-21 | Mine gas safety monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205349425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590743A (en) * | 2018-05-25 | 2018-09-28 | 河北工程大学 | A kind of gas boring and surveying device |
-
2016
- 2016-01-21 CN CN201620055543.8U patent/CN205349425U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590743A (en) * | 2018-05-25 | 2018-09-28 | 河北工程大学 | A kind of gas boring and surveying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20170121 |