CN202055865U - Safety air bag automatic plugging device of mine anti-explosion well cover - Google Patents
Safety air bag automatic plugging device of mine anti-explosion well cover Download PDFInfo
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- CN202055865U CN202055865U CN2011201767050U CN201120176705U CN202055865U CN 202055865 U CN202055865 U CN 202055865U CN 2011201767050 U CN2011201767050 U CN 2011201767050U CN 201120176705 U CN201120176705 U CN 201120176705U CN 202055865 U CN202055865 U CN 202055865U
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Abstract
The utility model discloses a device which can rapidly and automatically plug by utilizing an air bag after a mine anti-explosion well cover is impacted and opened by underground explosion, in particular to a safety air bag automatic plugging device of a mine anti-explosion well cover, which comprises a folding air bag, wherein the folding air bag is placed in a folding air bag cavern chamber at one side of a shaft wall under the anti-explosion well cover, the opening of the folding air bag cavern chamber is communicated with the interior of a well, the folding air bag is connected with an air compressor outside the cavern chamber through an air delivery tube, the air compressor is connected with a power supply controller through a power supply cable, the power supply controller is connected with an induction device arranged on the anti-explosion well cover through an induction signal cable, a pressure sensor is arranged in the folding air bag and is connected with the power supply controller through a signal line, and a supporting steel net is fixedly arranged in the shaft positioned under the folding air bag. The device disclosed by the utility model can quickly plug the shaft by the air bag after the mine anti-explosion well cover is impacted and opened by the underground explosion, so that the normal underground ventilation can be ensured; and the structure is simple, and the effect is good.
Description
Technical field
The utility model belongs to the mine safety equipment technical field, is specifically related to a kind of mine explosion well lid and is washed open the device that the fast automatic shutoff of air bag is adopted in the back by the well shooting shock wave.
Background technology
At present, avoiding being damaged when explosion wave arrives in order to protect main air blower in all collieries up to standard of China, all is required to install explosion proof door, lid.It is used to barrier wells downstream and surface air when normal the ventilation, prevent distinguished and admirable short circuit, guarantees that ventilation system is normal.When in a single day gas or dust explosion accident took place in the down-hole, the gas shock that explosion proof door is exploded was opened, thereby air blast directly is discharged into surface air, played the release effect, prevented that main ventilation fan from causing damage because of air blast impacts; When main ventilation fan is out of service, can open explosion proof door, ventilate to utilize natural ventilation pressure.Relevant regulations is also arranged: " the air-out well head of main ventilation fan is housed, explosion proof door should be installed in " safety regulations in coal mine ".Explosion proof door must not be less than the basal area of air-out well head, and over against the wind direction of upcast shaft ", " inclined shaft also should install explosion proof door, air door additional ".Therefore, now explosion proof door, cover at home all penetrations and promotions in the colliery, become essential product.But in case blast, the shock wave of generation will be opened explosion proof door, lid, and the main air blower ventilation system is leaked out, distinguished and admirable disorder, and mine inner ventilation effect reduces greatly, or even distinguished and admirable short circuit, and the down-hole is calm.And the zone of blasting is owing to reasons such as blast, burnings, will produce a large amount of toxic and harmfuls, comprise the CO that can make us poisons is choked to death, the people there are hydrogen sulfide, sulfur dioxide, nitrogen oxide and the various cigarette ash dust etc. of intense stimulus effect, the workman are caused death in a large amount of smog poisoning of extremely short time internal cause if can not carry out available ventilation this moment; For windy well colliery, this air draft well becomes downcast because of other ventilating shaft effect, and the toxic and harmful of generation is to the diffusion of other ventilating shafts, the more personnel's of harm safety, even can cause the zone of other ventilating shaft services to be subjected to the harm of explosion accident; If can not effectively ventilate in the short time of back in blast for the first time, gas bearing capacity can gather moment, dust can not get the available ventilation dilution after explosion wave is kicked up, gather in a large number and be suspended in the middle of the air, the danger of gas and coal dust subsequent explosion very likely can take place after running into naked light to reach the explosion limit condition, this will make the staff under the mine thoroughly lose the chance of saving oneself and fleeing from, and also can cause huge injury to the secondary personnel that rescue in going into.If can auto-closing at the back air door of for the first time blasting, Explosion-proof cap, just can in time discharge gas, dust, avoid once more or repeatedly exploding and suffocating, catastrophic effect is reduced greatly.
The structure of present explosion-proof well lid, after in a single day existence is pushed open by powerful explosion wave, can not be closed once more at short notice, cause distinguished and admirable short circuit, the down-hole forms windless condition, and toxic and harmful can not in time obtain dilution and further gather, poison, cause subsequent explosion, make troubles, cause the condition of a disaster to enlarge to the disaster relief.Therefore, after mine ventilating shaft explosion proof door was destroyed, the shutoff explosion proof door was unlikely to distinguished and admirable short circuit rapidly, and the significant and application prospects of disaster relief chance is striven in the normal ventilation after the catastrophe of assurance mine.
Cause the ventilation system short circuit problem in order to tackle the explosion-proof well lid in blast back after destroyed, also carried out part Study both at home and abroad, improve accordingly, auto-closing equipment is carried out a series of conception and hypothesis as structure to explosion-proof well lid.The closed facility of the spacing self-return of well lid that mainly comprises comrade LiangBing Fu of Shanxi Xishan Mineral Administration conception, its basic principle is to install the explosion proof door anti-derail unit additional, bearing height is added to 1.5 times of former height, and installs a wire rope guard in support, top and play the anticreep effect.Explosion proof door after the improvement, since bearing height increase anticreep effect with the wire rope guard, when gas (coal dust) explosion time takes place in the down-hole, explosion proof door will rise along track, and be difficult for derailing too early, the position-limiting action of wire rope guard in addition, explosion proof door can very fast resetting, and help mine and return wind immediately or recover normal and ventilate.But the powerful shock wave of well shooting also might cause the braced structures distortion, and explosion proof door can't reset.
Another explosion-proof door locking device for coal mine air-shaft device, its basic principle is that the guiding device of Explosion-proof cap opens and closes Explosion-proof cap can only to prolong the wellbore centre line and moves both vertically, the stopping means of Explosion-proof cap is made up of outer ring, relief spring and inner ring, final position for the Explosion-proof cap rising, the automatic closing device of Explosion-proof cap, form by extension spring, safety belt and coiler, be installed on the borehole wall of pit shaft, and link to each other with Explosion-proof cap.After moving both vertically owing to Explosion-proof cap can only prolong the wellbore centre line, be raised to highest order under the drag effect of stopping means such as relief spring, extension spring, blast back by safety belt and coiler Explosion-proof cap is resetted again.Also having a kind of conception is to install a steel rings additional in the installation site of explosion proof door, and its design is at the air-out well head one circle shaped steel to be installed, and explosion proof door is installed on the shaped steel, and the centre seals with rubber tile.Rubber tile is fixed on the explosion proof door with pressing plate.Explosion proof door is outer installs 3 guide rails, is 120 ° of distributions, makes explosion proof door along guide rail movement, on the position of limiting, the Lift of explosion proof door is controlled.There is structural deterioration in this method and reset issues fast too.These devices solve or provide a kind of thinking of dealing with problems to a certain extent, but actual application value and feasibility remain actual investigation.
Inquired about and literature search through patent by the rapid plugging method after washing open about other mine explosion doors, all find the achievement relevant with this research.
Summary of the invention
The purpose of this utility model is a quick-recovery and cause distinguished and admirable short circuit problem soon after being washed open by the well shooting shock wave at existing coal mine explosion-proof well lid, and the air bag automatic plugging apparatus after a kind of mine explosion well lid is washed open by the well shooting shock wave is provided.
The utility model is to realize above-mentioned purpose by the following technical solutions: this mine explosion well lid air bag automatic plugging apparatus, and after being used for the mine explosion well lid and being washed open or destroy by the well shooting shock wave, shutoff well head automatically; It comprises a folded airbag, and this folded airbag is positioned in the folded airbag chamber of well bore wall one side under the explosion-proof well lid, UNICOM in the opening of folded airbag chamber and the well; Folded airbag is connected by the outer air compressor of air delivery pipe and chamber, and air compressor is connected with power-supply controller of electric by electricity cable, and power-supply controller of electric is connected by the induction installation that induced signal cable and is installed on the explosion-proof well lid; Be provided with a pressure sensing receiver in folded airbag, the pressure sensing receiver is connected with power-supply controller of electric by holding wire; Be installed with a support steel mesh in the pit shaft under being in folded airbag, area after folded airbag is inflating expanded size satisfies can be full of cross section in the whole pit shaft, and the length that connects folded airbag and Air Compressor carrier pipe satisfies and can move on the support steel mesh after making folded airbag inflating expanded.
For ease of expansion easily behind the airbag aeration, described folded airbag chamber is mouthful little shape of imperial palace.
The utility model is after explosion-proof well lid is washed open or destroyed by the well shooting shock wave, can use air bag shutoff pit shaft rapidly, avoid the mine air short circuit and the mine down-hole to occur calm, ensure that the down-hole normally ventilates, thereby reduce the personnel in the pit because of poisonous gas poisoning or the injures and deaths of suffocating and bringing.The utility model apparatus structure is simple, and cost is low, is easy to safeguard, and is effective.
Description of drawings
Fig. 1 is the integral installation structural representation of the utility model embodiment.
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view.
Fig. 3 is the elevational schematic view of the folded airbag among the utility model embodiment after inflating expanded.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Referring to Fig. 1, present embodiment comprises folded airbag 7, folded airbag 7 is positioned in the folded airbag chamber 14 of well bore wall one side under the explosion-proof well lid, UNICOM in the opening of folded airbag chamber 14 and the well, and, for ease of expansion easily behind the airbag aeration, the folded airbag chamber is mouthful little shape of imperial palace, as shown in Figure 2.Folded airbag 7 is connected by the outer air compressor 5 of air delivery pipe 6 and chamber, and air compressor 5 is connected with power-supply controller of electric 4 by electricity cable 9, and power-supply controller of electric 4 is connected with external power source by electricity cable 9.Power-supply controller of electric 4 is connected with induction installation 2 on being installed on explosion-proof well lid 1 by induced signal cable 3.Referring to Fig. 3, in folded airbag 7, be provided with a pressure sensing receiver 16, pressure sensing receiver 16 is connected with power-supply controller of electric 4 by holding wire 17.Be installed with a support steel mesh 8 in the pit shaft under being in folded airbag 7, area size after folded airbag 7 is inflating expanded satisfies can be full of cross section in the whole pit shaft, the length that connects folded airbag 7 and the air delivery pipe 6 of air compressor 5 satisfies can move to after making folded airbag 7 inflating expanded and supports on the steel mesh 8, as shown in Figure 3, the inflating expanded rear gasbag of 15 expressions among the figure.Among Fig. 1, Fig. 2, Fig. 3, the counterweight of 10 expression mine explosion well lids, 11 expression wire rope, 12 expression well bore walls, 13 expression encapsulants.
The course of work of the present utility model is: under coal mine explosion time takes place, the explosion wave that produces is washed explosion-proof well lid 1 open, induction installation 2 is given power-supply controller of electric 4 signals by induced signal cable 3, power-supply controller of electric 4 gives air compressor 5 power supplies, air compressor 5 gives folded airbag 7 inflations by air delivery pipe 6, air delivery pipe coils for 6 one sections, the extensible shaft in wall place that wants, the inflation rear gasbag launches along supporting steel mesh 8, until being full of whole pit shaft, when the pressure in the inflating expanded rear gasbag 15 surpasses setting value, pressure sensor 16 is given power-supply controller of electric 4 signals by holding wire 17, air compressor 5 stops, when the pressure in the inflating expanded rear gasbag 15 was lower than setting value, pressure sensor 16 was given power-supply controller of electric 4 signals by holding wire 17, starts air compressor 5 air feed, keep the pressure that launches in the rear gasbag, the sealing performance of the air bag after guaranteeing to launch.Air bag after the expansion can intercept because the distinguished and admirable short circuit of explosion-proof well lid 1 after being washed open by the well shooting shock wave.Situation behind the airbag deployment as shown in Figure 3.
Claims (2)
1. mine explosion well lid air bag automatic plugging apparatus, after being used for the mine explosion well lid and being washed open or destroy by the well shooting shock wave, shutoff well head automatically; It is characterized in that: it comprises a folded airbag, and this folded airbag is positioned in the folded airbag chamber of well bore wall one side under the explosion-proof well lid, UNICOM in the opening of folded airbag chamber and the well; Folded airbag is connected by the outer air compressor of air delivery pipe and chamber, and air compressor is connected with power-supply controller of electric by electricity cable, and power-supply controller of electric is connected by the induction installation that induced signal cable and is installed on the explosion-proof well lid; Be provided with a pressure sensing receiver in folded airbag, the pressure sensing receiver is connected with power-supply controller of electric by holding wire; Be installed with a support steel mesh in the pit shaft under being in folded airbag, area after folded airbag is inflating expanded size satisfies can be full of cross section in the whole pit shaft, and the length that connects folded airbag and Air Compressor carrier pipe satisfies and can move on the support steel mesh after making folded airbag inflating expanded.
2. mine explosion well lid air bag automatic plugging apparatus according to claim 1 is characterized in that: described folded airbag chamber is mouthful little shape of imperial palace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201767050U CN202055865U (en) | 2011-05-30 | 2011-05-30 | Safety air bag automatic plugging device of mine anti-explosion well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201767050U CN202055865U (en) | 2011-05-30 | 2011-05-30 | Safety air bag automatic plugging device of mine anti-explosion well cover |
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| CN202055865U true CN202055865U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201767050U Expired - Lifetime CN202055865U (en) | 2011-05-30 | 2011-05-30 | Safety air bag automatic plugging device of mine anti-explosion well cover |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410552A (en) * | 2013-08-23 | 2013-11-27 | 山西汾西矿业（集团）有限责任公司设备修造厂 | Automatic resetting device for spare anti-explosion well lid of mining air well |
| CN103670494A (en) * | 2013-12-06 | 2014-03-26 | 平安煤矿瓦斯治理国家工程研究中心有限责任公司 | Collection device of coal mine ventilation air methane |
| CN103953382A (en) * | 2014-04-22 | 2014-07-30 | 扬州市江隆矿业设备有限公司 | Pressure releasing automatic reset air shaft anti-explosion cover |
| CN105484793A (en) * | 2015-12-18 | 2016-04-13 | 中国人民解放军理工大学 | Rapid plugging device for air-raid shelter roof |
| CN106761884A (en) * | 2015-11-19 | 2017-05-31 | 成都九十度工业产品设计有限公司 | A kind of new type explosion proof manhole lid device |
| CN110067587A (en) * | 2019-05-28 | 2019-07-30 | 河南理工大学 | Self-resetting vertical shaft explosion door system and explosion-proof method |
| CN112074651A (en) * | 2018-03-02 | 2020-12-11 | 海帕波兰有限责任公司 | Airlock with air holes for vacuum train system |
| CN113153413A (en) * | 2021-04-29 | 2021-07-23 | 焦作大学 | Automatic spraying wave-absorbing system for air guide cave of coal mine air shaft |
-
2011
- 2011-05-30 CN CN2011201767050U patent/CN202055865U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410552A (en) * | 2013-08-23 | 2013-11-27 | 山西汾西矿业（集团）有限责任公司设备修造厂 | Automatic resetting device for spare anti-explosion well lid of mining air well |
| CN103670494A (en) * | 2013-12-06 | 2014-03-26 | 平安煤矿瓦斯治理国家工程研究中心有限责任公司 | Collection device of coal mine ventilation air methane |
| CN103670494B (en) * | 2013-12-06 | 2015-11-11 | 平安煤矿瓦斯治理国家工程研究中心有限责任公司 | A kind of collection device of coal mine ventilation air methane |
| CN103953382A (en) * | 2014-04-22 | 2014-07-30 | 扬州市江隆矿业设备有限公司 | Pressure releasing automatic reset air shaft anti-explosion cover |
| CN103953382B (en) * | 2014-04-22 | 2015-12-23 | 扬州市江隆矿业设备有限公司 | Pressure release type automatically resets ventilating shaft Explosion-proof cap |
| CN106761884A (en) * | 2015-11-19 | 2017-05-31 | 成都九十度工业产品设计有限公司 | A kind of new type explosion proof manhole lid device |
| CN105484793A (en) * | 2015-12-18 | 2016-04-13 | 中国人民解放军理工大学 | Rapid plugging device for air-raid shelter roof |
| CN112074651A (en) * | 2018-03-02 | 2020-12-11 | 海帕波兰有限责任公司 | Airlock with air holes for vacuum train system |
| CN110067587A (en) * | 2019-05-28 | 2019-07-30 | 河南理工大学 | Self-resetting vertical shaft explosion door system and explosion-proof method |
| CN110067587B (en) * | 2019-05-28 | 2023-08-15 | 河南理工大学 | Vertical shaft explosion door system capable of automatically resetting and explosion-proof method |
| CN113153413A (en) * | 2021-04-29 | 2021-07-23 | 焦作大学 | Automatic spraying wave-absorbing system for air guide cave of coal mine air shaft |
| CN113153413B (en) * | 2021-04-29 | 2023-06-30 | 焦作大学 | Automatic spraying wave-absorbing system for wind tunnel wind guiding tunnel of coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HU'NAN CHUXIANG CONSTRUCTION ENGINEERING CO., LTD. Free format text: FORMER OWNER: HUNAN SCI-TECH UNIV. Effective date: 20121023 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 411201 XIANGTAN, HUNAN PROVINCE TO: 410114 CHANGSHA, HUNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121023 Address after: 410114 Hunan province Changsha Tianxin District Xin Mei Road No. 102 Patentee after: Hunan Chu Xiang Construction Engineering Co., Ltd. Address before: 411201 Xiangtan, Yuhu District, Hunan stone pier No. 2 Patentee before: Hunan Sci-Tech Univ. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 410114 Hunan province Changsha Tianxin District Xin Mei Road No. 102 Patentee after: Hunan Chuxiang Construction Engineering Group Co., Ltd. Address before: 410114 Hunan province Changsha Tianxin District Xin Mei Road No. 102 Patentee before: Hunan Chu Xiang Construction Engineering Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |
|
| CX01 | Expiry of patent term |