CN204283496U - A kind of coal mine roadway quick blocking air bag - Google Patents
A kind of coal mine roadway quick blocking air bag Download PDFInfo
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- CN204283496U CN204283496U CN201420725975.6U CN201420725975U CN204283496U CN 204283496 U CN204283496 U CN 204283496U CN 201420725975 U CN201420725975 U CN 201420725975U CN 204283496 U CN204283496 U CN 204283496U
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Abstract
Coal mine roadway quick blocking air bag comprises the air bag group be made up of outer air bag and interior air bag, and outer air bag at least comprises two interior blister cavities, is provided with double-deck spill and takes refuge groove, arrange interior air bag in all the other in blister cavities in one of them in blister cavities; Interior air bag comprises upper chamber, flat spherical air chamber and lower chamber from top to bottom successively, and be respectively equipped with gas generator in upper chamber, flat spherical air chamber and lower chamber, gas generator is connected with gauge tap.The utility model structure is simple, easy and simple to handle, reaction and quick action, automaticity is high, effectively can weaken casualties that gas explosion, coal and gas prominent and floods accident cause and underground equipment damages, elimination or control gas blast, coal and gas prominent and floods accident, on the impact in other tunnels, prevent the generation of colliery serious disasters and accidents, realize the safety in production in colliery; And device cost of manufacture is low, is easy to carry and moves, insulating is good, and the fireballing feature of shutoff, meets the requirement of safe and efficient shutoff.
Description
Technical field
The utility model belongs to underground coal mine plugging device technical field, particularly a kind of coal mine roadway quick blocking air bag for taking precautions against coal mine gas from explosion, coal and gas prominent and floods.
Background technology
At present, the colliery of China is based on pit mining.In process of production, there are the five large mine disasters such as floods, fire, gas, mine dust and top board.
China is that mine is subject to floods to endanger one of the most serious country, according to statistics: the mine threatened by water damage at present has 222 places, account for more than 48% of State owned coal mine mine sum, threaten more serious mine to have 171 places by water damage, other 51 place's mines have the possibility of gushing water at any time.Simultaneously, gas is also one of principal element threatening China's coal-mine safety in production, gas explosion, coal and gas prominent be the disaster in current colliery, all can cause a large amount of casualtiess and huge economic loss every year, great, especially big gas accident does not occur over just the small-size coal mine in place, small towns, and state-owned large-scale In Modern Mine also happens occasionally.Therefore, prevention Gas Disaster, to reduction coal mining accident, ensures that the healthy and sustainable development of coal industry is significant.
Traditional precautionary measures are: the shutoff of the upper and lower two ends of fully-mechanized mining working is adopt woven bag filling broken coal mostly, then piles walling body and carries out shutoff.In the process that work plane constantly advances, the shutoff body of wall of this kind of form is immovable, therefore, needs the shutoff work constantly repeating fully-mechanized mining working two ends.In coal production process, the work that heap builds shutoff body of wall is not only taken a lot of work, waste material, and the labour intensity of workman is very large, and operating efficiency is extremely low; Further, it is large that the body of wall inleakage built piled by employing Coal sack, very easily causes upper and lower corner gas excess, and bring very large hidden danger to safety in production, safety factor is low.
Utility model content
The purpose of this utility model be to provide a kind of structure simple, be convenient to mobile, that automaticity is high and safe and reliable coal mine roadway quick blocking air bag.
For achieving the above object, the technical solution of the utility model is: a kind of coal mine roadway quick blocking air bag, comprises the air bag group be made up of outer air bag and interior air bag, air bag group is connected with gauge tap; Described outer air bag at least comprises two interior blister cavities, is provided with double-deck spill and takes refuge groove, arrange interior air bag in all the other in blister cavities in one of them in blister cavities; Described interior air bag comprises upper chamber, flat spherical air chamber and lower chamber from top to bottom successively, and be respectively equipped with gas generator in upper chamber, flat spherical air chamber and lower chamber, gas generator is connected with gauge tap.
Described outer air bag comprises four interior blister cavities, is provided with double-deck spill and takes refuge groove in the interior blister cavities of one end, is respectively arranged with interior air bag in its excess-three in blister cavities.
Safety valve is respectively equipped with in described upper chamber, flat spherical air chamber and lower chamber; Tracing positioner is provided with in interior air bag.
Described gauge tap comprises hand switch and inductive switch, and hand switch is connected with gas generator respectively with inductive switch.
Described interior air bag is made up of nylon fiber layer, the rubber layer being sprayed on nylon fiber layer inside and the antifriction fireprotection layer that is sprayed on nylon fiber layer outside; Outer air bag is made up of high strength ceramics fibrage.
Compared with prior art, advantage of the present utility model is:
1, the utility model comprises the air bag group be made up of outer air bag and interior air bag, and air bag group is connected with gauge tap, described outer air bag at least comprises two interior blister cavities, is provided with double-deck spill and takes refuge groove, arrange interior air bag in all the other in blister cavities in one of them in blister cavities, described interior air bag comprises upper chamber from top to bottom successively, flat spherical air chamber and lower chamber, upper chamber, gas generator is respectively equipped with in flat spherical air chamber and lower chamber, gas generator is connected with gauge tap, its structure is simple, coal mine gas from explosion can be widely used in, in the improvement of coal and gas prominent and floods etc., both Frequent Accidents area can be positioned over, also can move arbitrarily in tunnel as requested, easy and simple to handle, reaction and quick action, automaticity is high, effectively can weaken gas explosion, the casualties that coal and gas prominent and floods accident cause and underground equipment damage, eliminate or control gas blast, coal and gas prominent and floods accident are on the impact in other tunnels, casualties can be reduced to greatest extent, for the quality time is got in mine emergency rescue, prevent the generation of colliery serious disasters and accidents, realize the safety in production in colliery, and device cost of manufacture is low, is easy to carry and moves, insulating is good, and the fireballing feature of shutoff, meets the requirement of safe and efficient shutoff.
2, interior air bag comprises upper chamber, flat spherical air chamber and lower chamber from top to bottom successively, the first half of flat spherical air chamber and the latter half lay respectively in upper chamber and lower chamber, and flat spherical air chamber can make interior air bag bear active force from front to a greater extent.
3, gauge tap comprises hand switch and inductive switch, and hand switch is connected with gas generator respectively with inductive switch, and inductive switch can respond to trouble-signal rapidly, and passes to gas generator, makes gas generator carry out work rapidly; If inductive switch breaks down, can manually switch activated gas generator, double shield, safe and reliable.
4, in interior air bag, be provided with tracing positioner, accurate positioning, can be rescue and authentic communication is provided; Safety valve is respectively equipped with in upper chamber, flat spherical air chamber and lower chamber, can when upper chamber, flat spherical air chamber and lower chamber pressurized be excessive, automatically open and be exhausted pressure release, to weaken the injury that external force inner bladder causes, when pressure reduces to a certain extent, safety valve cuts out, and interior air bag pressurized effectively can be prevented excessive and explode.
5, interior air bag is made up of nylon fiber layer, the rubber layer being sprayed on nylon fiber layer inside and the antifriction fireprotection layer that is sprayed on nylon fiber layer outside, can bear larger shock wave; Outer air bag is made up of high strength ceramics fibrage, can bear higher temperature and larger friction.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of air bag group in Fig. 1;
Fig. 3 is the left view of Fig. 2.
Detailed description of the invention
Coal mine roadway quick blocking air bag as shown in Figure 1, Figure 2 and Figure 3, it comprises the air bag group 8 be made up of outer air bag 7 and interior air bag 6, outer air bag 7 comprises four interior blister cavities, is provided with double-deck spill and takes refuge groove 12 in the interior blister cavities of right-hand member, is respectively arranged with interior air bag 6 in its excess-three in blister cavities.
Interior air bag 6 comprises upper chamber 9, flat spherical air chamber 10 and lower chamber 11 from top to bottom successively, the first half of flat spherical air chamber 10 and the latter half lay respectively in upper chamber 9 and lower chamber 11, and flat spherical air chamber 10 can make interior air bag 6 bear active force from front to a greater extent.Gas generator 5 is respectively equipped with in upper chamber 9, flat spherical air chamber 10 and lower chamber 11, gas generator 5 is connected with gauge tap, gauge tap comprises hand switch 2 and inductive switch 1, hand switch 2 is connected with gas generator 5 respectively with inductive switch 1, inductive switch 1 can respond to trouble-signal rapidly, and pass to gas generator 5, make gas generator 5 carry out work rapidly; If inductive switch 1 breaks down, manually gas generator 5 can be started, double shield by switch 2, safe and reliable.
Tracing positioner 3 is provided with in interior air bag 6, safety valve 4 is respectively equipped with in upper chamber 9, flat spherical air chamber 10 and lower chamber 11, can when upper chamber 9, flat spherical air chamber 10 and lower chamber 11 pressurized be excessive, safety valve 4 automatically can be opened and be exhausted pressure release, to weaken the injury that external force inner bladder 6 causes, when pressure reduces to a certain extent, safety valve 4 cuts out, and interior air bag 6 pressurized effectively can be prevented excessive and explode.
In the utility model, interior air bag 6 is made up of nylon fiber layer, the rubber layer being sprayed on nylon fiber layer inside and the antifriction fireprotection layer that is sprayed on nylon fiber layer outside, can bear larger shock wave; Outer air bag 7 is made up of high strength ceramics fibrage, can bear higher temperature and larger friction.
In the present embodiment, gas generator 5 comprises sodium nitride oxidizer and compressed nitrogen, and the burning of sodium nitride oxidizer generates nitrogen stream, discharges compressed nitrogen simultaneously, interior air bag 6 fast aeration is expanded; Double-deck spill takes refuge groove 12 completely according to the specification installation space size of country for down-hole survival capsule requirement, and is provided with simple and easy breathing equipment, ensures that personnel breathe.
The utility model uses the course of work to be: the main distribution place 1, needing to understand the accidents such as coal and non-coal blast in mine, outstanding, floods, installation the utility model the tunnel 13 of place where the accident occurred point in; 2, when a fault occurs, induced signal is passed to gas generator 5 by inductive switch 1, and gas generator 5 produces gas rapidly, make interior air bag 6 inflation, when inductive switch 1 is malfunctioning, uses hand switch 2 to start gas generator 5, gas generator 5 is normally worked; 3, when gas explosion is to air bag effect, air bag group 8 is by cushioning layer by layer, and the pressure release of interior air bag 6 and whole device move under external force, successively weaken the injury that blast produces, and effectively shutoff pernicious gas etc. spread to greater room, play and effectively stop protective effect; 4, simultaneously, the double-deck spill that workman in danger can enter outer air bag 7 one end is taken refuge in groove 12, thus prevents from being subject to direct injury, when the ambient pressure end-on dangerous section people person causes danger, safety valve 4 is opened, and slowly releases gas, when pressure reduces to a certain extent, safety valve 4 cuts out; 5, tracing positioner 3 sends positional information, waits for rescue.
Claims (5)
1. a coal mine roadway quick blocking air bag, is characterized in that, comprises the air bag group be made up of outer air bag and interior air bag, air bag group is connected with gauge tap; Described outer air bag at least comprises two interior blister cavities, is provided with double-deck spill and takes refuge groove, arrange interior air bag in all the other in blister cavities in one of them in blister cavities; Described interior air bag comprises upper chamber, flat spherical air chamber and lower chamber from top to bottom successively, and be respectively equipped with gas generator in upper chamber, flat spherical air chamber and lower chamber, gas generator is connected with gauge tap.
2. coal mine roadway quick blocking air bag as claimed in claim 1, it is characterized in that, described outer air bag comprises four interior blister cavities, is provided with double-deck spill and takes refuge groove in the interior blister cavities of one end, is respectively arranged with interior air bag in its excess-three in blister cavities.
3. coal mine roadway quick blocking air bag as claimed in claim 1 or 2, is characterized in that, be respectively equipped with safety valve in described upper chamber, flat spherical air chamber and lower chamber; Tracing positioner is provided with in interior air bag.
4. coal mine roadway quick blocking air bag as claimed in claim 3, it is characterized in that, described gauge tap comprises hand switch and inductive switch, and hand switch is connected with gas generator respectively with inductive switch.
5. coal mine roadway quick blocking air bag as claimed in claim 4, is characterized in that, described interior air bag is made up of nylon fiber layer, the rubber layer being sprayed on nylon fiber layer inside and the antifriction fireprotection layer that is sprayed on nylon fiber layer outside; Outer air bag is made up of high strength ceramics fibrage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725975.6U CN204283496U (en) | 2014-11-28 | 2014-11-28 | A kind of coal mine roadway quick blocking air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725975.6U CN204283496U (en) | 2014-11-28 | 2014-11-28 | A kind of coal mine roadway quick blocking air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283496U true CN204283496U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420725975.6U Expired - Fee Related CN204283496U (en) | 2014-11-28 | 2014-11-28 | A kind of coal mine roadway quick blocking air bag |
Country Status (1)
| Country | Link |
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| CN (1) | CN204283496U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114125A (en) * | 2015-07-29 | 2015-12-02 | 上海隧道工程有限公司 | Tunnel airbag air filling device and tunnel airbag air filling method |
| CN106555610A (en) * | 2016-11-17 | 2017-04-05 | 北京科技大学 | A kind of driving face in coal mine Gas Outburst baffle system |
| CN106677818A (en) * | 2016-11-01 | 2017-05-17 | 西安科技大学 | Detachable and portable escape device |
| CN109869183A (en) * | 2019-04-01 | 2019-06-11 | 施阿丹 | A kind of coal mine floods intelligence rescue device and application method |
| CN110043315A (en) * | 2019-05-30 | 2019-07-23 | 西安科技大学 | A kind of mine catastrophe region rapid sealing device and method with impact resistance |
| CN110107354A (en) * | 2019-05-30 | 2019-08-09 | 安徽建筑大学 | A kind of quick self-built movable water lock gate wall of tunnelling gushing water |
| CN110985098A (en) * | 2020-01-02 | 2020-04-10 | 中国矿业大学(北京) | Anti-explosion multi-bag quick-sealing air bag and using method thereof |
| CN111425254A (en) * | 2020-04-30 | 2020-07-17 | 山东科技大学 | Folding and unfolding type arch tunnel plugging device |
| CN113006864A (en) * | 2021-03-30 | 2021-06-22 | 徐州中国矿大岩土工程新技术发展有限公司 | Coal mine goaf bag type filling device |
-
2014
- 2014-11-28 CN CN201420725975.6U patent/CN204283496U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114125A (en) * | 2015-07-29 | 2015-12-02 | 上海隧道工程有限公司 | Tunnel airbag air filling device and tunnel airbag air filling method |
| CN106677818A (en) * | 2016-11-01 | 2017-05-17 | 西安科技大学 | Detachable and portable escape device |
| CN106555610A (en) * | 2016-11-17 | 2017-04-05 | 北京科技大学 | A kind of driving face in coal mine Gas Outburst baffle system |
| CN109869183A (en) * | 2019-04-01 | 2019-06-11 | 施阿丹 | A kind of coal mine floods intelligence rescue device and application method |
| CN110043315A (en) * | 2019-05-30 | 2019-07-23 | 西安科技大学 | A kind of mine catastrophe region rapid sealing device and method with impact resistance |
| CN110107354A (en) * | 2019-05-30 | 2019-08-09 | 安徽建筑大学 | A kind of quick self-built movable water lock gate wall of tunnelling gushing water |
| CN110043315B (en) * | 2019-05-30 | 2024-03-12 | 西安科技大学 | Rapid sealing device and method for mine disaster area with impact resistance |
| CN110985098A (en) * | 2020-01-02 | 2020-04-10 | 中国矿业大学(北京) | Anti-explosion multi-bag quick-sealing air bag and using method thereof |
| CN111425254A (en) * | 2020-04-30 | 2020-07-17 | 山东科技大学 | Folding and unfolding type arch tunnel plugging device |
| CN111425254B (en) * | 2020-04-30 | 2021-07-23 | 山东科技大学 | Folding and unfolding type arch tunnel plugging device |
| CN113006864A (en) * | 2021-03-30 | 2021-06-22 | 徐州中国矿大岩土工程新技术发展有限公司 | Coal mine goaf bag type filling device |
| CN113006864B (en) * | 2021-03-30 | 2023-09-29 | 徐州中矿岩土技术股份有限公司 | Coal mine goaf bag type filling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150422 Termination date: 20211128 |