CN107060869B - A kind of mine explosion door pressure release plugging device - Google Patents
A kind of mine explosion door pressure release plugging device Download PDFInfo
- Publication number
- CN107060869B CN107060869B CN201710225938.7A CN201710225938A CN107060869B CN 107060869 B CN107060869 B CN 107060869B CN 201710225938 A CN201710225938 A CN 201710225938A CN 107060869 B CN107060869 B CN 107060869B
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- Prior art keywords
- explosion
- chamber
- support meanss
- fan body
- proof
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- 238000004880 explosion Methods 0.000 title claims abstract description 72
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000035939 shock Effects 0.000 abstract description 10
- 230000000254 damaging effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 230000005484 gravity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/16—Shaft covers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of mine explosion door pressure release plugging device, belong to mine explosion technical field, it is characterized in that, including explosion proof door chamber, rotary explosion-proof door, support meanss chamber, support meanss, explosion proof door chamber is arranged in explosion-proof well side wall, rotary explosion-proof door is provided with explosion proof door chamber, rotary explosion-proof door includes the first rotary shaft, reset fan body and three sealing fan bodies, it is evenly distributed around the first rotary shaft with resetting fan body to seal fan body, and can be rotated together about the first rotary shaft；Support meanss chamber is arranged in explosion-proof well side wall, is opposed and is set with the explosion proof door chamber, and bottom sets support meanss, support meanss one end evagination to explosion-proof well in support meanss chamber；The present invention is simple in construction, trouble point is few, stabilization safe for operation, pressure release just can be opened in time without external force, damaging action of the shock wave to explosion proof door is reduced to the utmost, while returnairshaft can be blocked with Rapid reset, ensures underground ventilating system normal operation.
Description
Technical field
The present invention relates to mine explosion technical field, and in particular to a kind of mine explosion door pressure release plugging device.
Background technology
In existing coal mine shaft lining downhole production, once explosion accident occurs, in order to protect main air blower not by blast impulse
The infringement of ripple, is mounted on explosion proof door.When explosion happens, explosion proof door is destroyed or flies away from explosion-proof well head, plays pressure release effect,
Need explosion proof door to reset in time simultaneously, avoid underground ventilating short-circuit, so as to which pernicious gas can not be discharged, threaten underground operators
Life security.
In the prior art frequently with umbrella Antiexplosive manhole cover, but exist Antiexplosive manhole cover it is easily rupturable and reset not in time the shortcomings that,
The patent of invention of Application No. 201310232228.9 disclose a kind of vertical ventilating shaft explosion-proof door body and using its safety relief and
The method quickly divulged information, in overlapping one upper strata that can be rotated freely umbrella shape door in lower floor's umbrella shape door body of existing explosion proof door
Body, upper strata umbrella shape door body umbrella cover are provided with rupture disk, and corresponding interval is provided with steel plate and cavity on lower floor's umbrella shape door body umbrella cover, blast
For blast by the cavity directly concussion burst piece of lower floor's door body, rupture disk rapid disruption directly communicates with air completes pressure release, keeps away
Deformation failure of door body when by intense impact is exempted from.But need artificially to can be manually rotated upper strata door body after explosion accident, make
Three cavities of the explosion-proof door body of upper strata umbrella cover alignment lower floor not being broken by the impact, with up to the purpose for recovering mine ventilation, not only
It is troublesome in poeration, and operating safety risks be present.The application for a patent for invention of Application No. 201610159746.6 discloses
A kind of mine ventilation explosion-proof well cover device, well lid lower end are connected with least three back-moving springs being evenly arranged, each to reset
The spring other end is connected with a fixture block being adapted with ring-shaped groove, and well lid center, which runs through, the torsion stretched into returnairshaft
Bar, explosion time shock wave upspring well lid, are realized quickly, accurately under the collective effect of back-moving spring and buffer spring after pressure release
Reset, can quickly realize effective closure of uphole end, but the spring that uses of the structure and umbrella-type well lid are made in shock wave
Damage deformation is highly prone under, influences the reset of Antiexplosive manhole cover, stability is poor.The practicality of Application No. 201020615016.0
New patent discloses a kind of rotary explosion-proof door, and the rotary door body of setting passes through the strength and the balance of setting by shock wave
Weight realizes the pressure release of outwarding winding of door body, and deviates the purpose for producing gravity unbalance and reaching explosion proof door reset using rotating shaft, still,
Following problems be present in the structure：When by shock wave, it is inactive state that door body, which was rotated to the upper limit position pressure release stage, and
Horizontal by certain inclination angle, the damage of door body, especially door body both ends are easily caused if now impulsive force is excessive, is easily sent out
Raw bending；In addition, pressure leak process need to by peripheral hardware balance weight and be attached thereto bracing wire, the part such as pulley, it is being rushed
The trouble point hit under ripple effect is more, and any one damages the pressure release and reset that can all influence explosion proof door.
Therefore, it is necessary to which one kind can quickly open pressure release, while the structure that can be resetted in time after pressure release is simple, trouble point
Few plugging device, further improve the processing safety of mine explosion door.
The content of the invention
In order to solve the above problems, the present invention provide it is a kind of it is simple in construction, trouble point is few, the mine of stabilization safe for operation is prevented
Quick-fried door pressure release plugging device, after blast occurs, pressure release just can be opened in time without external force, protect main air blower not by broken
It is bad, and damaging action of the shock wave to explosion proof door is reduced to the utmost, meanwhile, returnairshaft can be blocked with Rapid reset,
Ensure underground ventilating system normal operation.
The present invention is that technical scheme is used by solving its technical problem：Described mine explosion door pressure release closure dress
Put, it is characterised in that including explosion proof door chamber, rotary explosion-proof door, support meanss chamber, support meanss, explosion proof door chamber is set
Put in explosion-proof well side wall, rotary explosion-proof door is provided with explosion proof door chamber, the rotary explosion-proof door includes the first rotation
Axle, reset fan body and three sealing fan bodies, first rotary shaft are fixedly installed in explosion proof door chamber, three sealing fan bodies
Cross section surround " T " font, it be in 90 ° of angles to reset between fan body and adjacent seals fan body, and the sealing fan body is with resetting fan
Body is evenly distributed around the first rotary shaft, and the sealing fan body can rotate with resetting fan body together about the first rotary shaft；The branch
Support arrangement chamber is arranged in explosion-proof well side wall, and is opposed and set with the explosion proof door chamber, under the support meanss chamber is interior
Portion is provided with support meanss, support meanss one end evagination to explosion-proof well, and the second rotary shaft, support meanss are provided with support meanss
It can be rotated in support meanss chamber around the second rotary shaft, its anglec of rotation is not more than 45 °.
Further, the reset fan body is consistent with sealing fan body size, and the quality for resetting fan body is more than sealing fan body.
Further, the outer of the sealing fan body is tangent with the interior edge of explosion proof door chamber and explosion-proof well head respectively.
Further, the support meanss upper surface is in flat, and the end lower surface with sealing fan body inconsistent is matched somebody with somebody
Close.
Further, the support meanss can be rotated in support meanss chamber to being completely disposed in support meanss chamber
Portion.
Further, the support meanss chamber upper wall is provided with 45 ° of inclinations angle away from explosion-proof well side.
Further, second rotary shaft is fixedly installed in support meanss chamber.
Further, sealing fan body, reset fan body and the support meanss are made by high intensity antiknock steel plate.
Compared with prior art, the beneficial effects of the invention are as follows：The rotary explosion-proof door of setting is in the presence of shock wave
It can be rotated around the first rotary shaft, can quickly realize unlatching pressure release, protect main air blower not to be damaged, contrasted under inactive state
Impact, reduces damaging action of the shock wave to explosion proof door to the utmost；The heavier reset fan body being equipped with addition with
And can only on the support meanss shaken realize the fast automatic reset and closure of explosion proof door, i.e., the fast automatic reset after the completion of pressure release
Return air well head is blocked, avoids underground ventilating short-circuit conditions from occurring, ensures underground ventilating system normal operation；The present invention has structure concurrently
Simply, the advantages of stable effective, spring, balance weight without peripheral hardware etc. part, can be quick by self gravitation
Automatically reset closure, and trouble point is few.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the present invention；
Fig. 2 is A-A of the present invention to cross section structure diagram；
Fig. 3 is the partial enlarged drawing at B of the present invention.
In figure：1. explosion proof door chamber, 2. sealing fan bodies, 3. reset fan bodies, 4. first rotary shafts, 5. support meanss chambers,
6. support meanss, 7. second rotary shafts, 8. explosion-proof wells.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1-Figure 3, the invention provides a kind of mine explosion door pressure release plugging device, it is characterised in that including
Explosion proof door chamber 1, rotary explosion-proof door, support meanss chamber 5, support meanss 6, explosion proof door chamber 1 are arranged on the explosion-proof side wall of well 8
On, rotary explosion-proof door is provided with explosion proof door chamber 1, the rotary explosion-proof door includes the first rotary shaft 4, resets fan body 3
And three sealing fan bodies 2, first rotary shaft 4 are fixedly installed in explosion proof door chamber 1, three seal the transversal of fan body 2
Face surrounds " T " font, and it is in 90 ° of angles to reset between fan body 3 and adjacent seals fan body 2, and the sealing fan body 2 is with resetting fan body 3
Evenly distributed around the first rotary shaft 4, the sealing fan body 2 can rotate with resetting fan body 3 together about the first rotary shaft 4；It is described
Support meanss chamber 5 is arranged in the explosion-proof side wall of well 8, and is opposed and set with the explosion proof door chamber 1, the support meanss chamber
Bottom is provided with support meanss 6 in 5, and for support rotating explosion proof door to realize closure of the explosion proof door to explosion-proof well 8, support fills
6 one end evaginations are put to explosion-proof well 8, are provided with the second rotary shaft 7 in support meanss 6, support meanss 6 can be in support meanss chamber
Rotated in 5 around the second rotary shaft 7, its anglec of rotation is not more than 45 °.
Reset fan body 3 of the present invention is consistent with the sealing size of fan body 2, and the quality for resetting fan body 3 is more than sealing and fanned
Body 2, such rotary explosion-proof door can the accessible rotation in explosion proof door chamber 1, and can guarantee that rotary explosion-proof door to explosion-proof well 8
Plugging effect, in addition after pressure release reset fan body 3 can automatically reset under gravity.
The outer of sealing fan body 2 of the present invention is tangent with 8 mouthfuls of the interior edge and explosion-proof well of explosion proof door chamber 1 respectively.
The upper surface of support meanss 6 of the present invention is in flat, and the end lower surface with sealing fan body 2 inconsistent is matched somebody with somebody
Close.
Support meanss 6 of the present invention can be rotated in support meanss chamber 5 to being completely disposed at support meanss chamber 5
Inside, the movement locus of rotary explosion-proof door will not be hindered.
The upper wall of support meanss chamber 5 of the present invention is provided with 45 ° of inclinations angle away from the explosion-proof side of well 8, ensures support
The center of gravity of device 6 is inclined to the explosion-proof side of well 8 all the time, so as to drop back into original position by self gravitation.
Second rotary shaft 7 of the present invention is fixedly installed in support meanss chamber 5.
Sealing fan body 2, reset fan body 3 and support meanss 6 of the present invention are made by high intensity antiknock steel plate, protect
Its structure is complete when demonstrate,proving mine explosion.
The rotary explosion-proof door that the present invention is set include three sealing fan bodies 2 and one reset fan body 3, and four fan bodies around
The Rotating with Uniform of first rotary shaft 4 is distributed, and on the premise of ensureing anti-explosion door structure stability, and can ensures explosion proof door
To the plugging effect of explosion-proof well 8, and cost is minimum；If explosion proof door piece number is odd number, stability is poor, and sealing can not be protected
Card, quantity is crossed and is at most added to this, therefore four are optimal.
The present invention operation principle be：The initial position of rotary explosion-proof door of the present invention erects as shown in Fig. 2 resetting fan body 3
Directly down, three sealing fan bodies 2 are respectively at horizontally and vertically upward, and outer respectively with the interior edge of explosion proof door chamber 1 and anti-
Quick-fried 8 mouthfuls of well is tangent, and now explosion proof door keeps sealed condition and balance to explosion-proof well 8 good；When mine generation explosion time, rushing
Hit in the presence of ripple, explosion proof door makes explosion-proof well 8 be communicated with the external world, quick pressure releasing is completed, simultaneously as close along rotate counterclockwise
Seal fan body 2 and reset the rotary squeezing effect of fan body 3, support meanss 6 rotate to support meanss chamber 5, will not hinder to revolve
The movement locus of rotatable explosion proof door.After the completion of pressure release, support meanss 6 are because center of gravity is inclined to the explosion-proof side of well 8 all the time, in itself weight
Power effect under drop back into original position, due to reset the weight of fan body 3 be more than it is each sealing fan body 2, if now reset fan body 3 first as
Limit, then reset fan body 3 and drive explosion proof door to rotate clockwise under self gravitation effect, until resetting fan body 3 falls on horizontal position
Put and hold completion by support meanss 6 and reset closure；If resetting fan body 3 second or third quadrant, fan body 3 is resetted at itself
Drive explosion proof door to continue first along the right pendulum of rotate counterclockwise under Action of Gravity Field, be then rotated in a clockwise direction again initial to diagram
Position, the sealing fan body 2 for being now in horizontal level hold completion reset closure by support meanss 6；If fan body 3 is resetted the 4th
Quadrant, then reset fan body 3 and drive explosion proof door to rotate clockwise to diagram initial position under self gravitation effect, be now in
The sealing fan body 2 of horizontal level holds completion by support meanss 6 and resets closure, therefore, no matter resets what position fan body 3 is in,
Self gravitation effect can be finally relied on to be completed by sealing fan body 2 or resetting fan body 3 itself to the fast automatic multiple of explosion-proof well
Position closure.
The beneficial effects of the invention are as follows：After mine explosion, the rotary explosion-proof door of setting can in the presence of shock wave
Rotated around the first rotary shaft 4, can quickly realize unlatching pressure release, protect main air blower not to be damaged, contrast rushing under inactive state
Hit, reduce damaging action of the shock wave to explosion proof door to the utmost；The heavier reset fan body 3 that is equipped with addition and
Can only on the support meanss 6 shaken realize the fast automatic reset and closure of explosion proof door, i.e., the fast automatic reset after the completion of pressure release
Return air well head is blocked, avoids underground ventilating short-circuit conditions from occurring, ensures underground ventilating system normal operation；The present invention has structure concurrently
Simply, the advantages of stable effective, spring, balance weight without peripheral hardware etc. part, can be quick by self gravitation
Automatically reset closure, and trouble point is few.
Described above is the preferred embodiment of the present invention, but the present invention is not limited merely to above-mentioned embodiment, not
On the premise of departing from structural principle of the present invention, the present invention can be made and be suitably modified, and these improvement are intended to be included in the present invention
Protection domain within.
Claims (8)
1. a kind of mine explosion door pressure release plugging device, it is characterised in that including explosion proof door chamber（1）, rotary explosion-proof door, branch
Support arrangement chamber（5）, support meanss（6）, explosion proof door chamber（1）It is arranged on explosion-proof well（8）In side wall, explosion proof door chamber（1）It is interior
Rotary explosion-proof door is provided with, the rotary explosion-proof door includes the first rotary shaft（4）, reset fan body（3）And three sealings
Fan body（2）, first rotary shaft（4）It is fixedly installed on explosion proof door chamber（1）It is interior, three sealing fan bodies（2）Cross section enclose
Into " T " font, fan body is resetted（3）With adjacent seals fan body（2）Between be in 90 ° of angles, the sealing fan body（2）With resetting fan body
（3）Around the first rotary shaft（4）It is evenly distributed, the sealing fan body（2）With resetting fan body（3）Can be together about the first rotary shaft
（4）Rotation；The support meanss chamber（5）It is arranged on explosion-proof well（8）In side wall, and with the explosion proof door chamber（1）Opposition and
If the support meanss chamber（5）Interior bottom is provided with support meanss（6）, support meanss（6）One end evagination is to explosion-proof well（8）,
Support meanss（6）On be provided with the second rotary shaft（7）, support meanss（6）Can be in support meanss chamber（5）It is interior to be rotated around second
Axle（7）Rotation, its anglec of rotation are not more than 45 °.
2. mine explosion door pressure release plugging device according to claim 1, it is characterised in that the reset fan body（3）With
Seal fan body（2）Size is consistent, and resets fan body（3）Quality be more than sealing fan body（2）.
3. mine explosion door pressure release plugging device according to claim 1 or 2, it is characterised in that the sealing fan body（2）
Outer respectively with explosion proof door chamber（1）Interior edge and explosion-proof well（8）Mouth is tangent.
4. mine explosion door pressure release plugging device according to claim 1, it is characterised in that the support meanss（6）On
End face is in flat, and with sealing fan body（2）The inconsistent cooperation in end lower surface.
5. the mine explosion door pressure release plugging device according to claim 1 or 4, it is characterised in that the support meanss（6）
In support meanss chamber（5）It is interior to rotate to being completely disposed at support meanss chamber（5）It is internal.
6. mine explosion door pressure release plugging device according to claim 1, it is characterised in that the support meanss chamber
（5）Upper wall is away from explosion-proof well（8）Side is provided with 45 ° of inclinations angle.
7. mine explosion door pressure release plugging device according to claim 1, it is characterised in that second rotary shaft（7）
It is fixedly installed on support meanss chamber（5）It is interior.
8. mine explosion door pressure release plugging device according to claim 1, it is characterised in that the sealing fan body（2）, it is multiple
Position fan body（3）And support meanss（6）It is made by high intensity antiknock steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225938.7A CN107060869B (en) | 2017-04-08 | 2017-04-08 | A kind of mine explosion door pressure release plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225938.7A CN107060869B (en) | 2017-04-08 | 2017-04-08 | A kind of mine explosion door pressure release plugging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060869A CN107060869A (en) | 2017-08-18 |
| CN107060869B true CN107060869B (en) | 2018-03-20 |
Family
ID=59603262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710225938.7A Expired - Fee Related CN107060869B (en) | 2017-04-08 | 2017-04-08 | A kind of mine explosion door pressure release plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060869B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757035B (en) * | 2018-08-23 | 2024-01-26 | 扬州市江隆矿业设备有限公司 | Self-resetting up-down rotary type inclined shaft explosion-proof door |
| CN112502586B (en) * | 2020-10-28 | 2022-05-17 | 浙江齐嘉消防科技有限公司 | Secondary protection structure of fire door |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1184846A (en) * | 1968-03-19 | 1970-03-18 | Vladimir Nilovich Taresenko | Improvements in and relating to Devices for Shutting Vertical Shafts |
| CN101943025A (en) * | 2009-07-07 | 2011-01-12 | 兖州煤业股份有限公司 | Vertical air shaft explosion protection door capable of quickly resetting |
| CN201865530U (en) * | 2010-11-19 | 2011-06-15 | 山西晋城无烟煤矿业集团有限责任公司 | Rotary explosion-proof door |
| CN202117699U (en) * | 2011-06-20 | 2012-01-18 | 鹤壁煤电股份有限公司第三煤矿 | Air window backstop |
| CN203335112U (en) * | 2013-06-14 | 2013-12-11 | 河南理工大学 | Vertical air shaft anti-explosion door with automatic resetting function |
| CN205172635U (en) * | 2015-11-27 | 2016-04-20 | 枣庄和顺达机电设备有限公司 | Shaft is from compound explosion vent |
| CN206647125U (en) * | 2017-04-08 | 2017-11-17 | 湖南科技大学 | A kind of mine explosion door pressure release plugging device |
-
2017
- 2017-04-08 CN CN201710225938.7A patent/CN107060869B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1184846A (en) * | 1968-03-19 | 1970-03-18 | Vladimir Nilovich Taresenko | Improvements in and relating to Devices for Shutting Vertical Shafts |
| CN101943025A (en) * | 2009-07-07 | 2011-01-12 | 兖州煤业股份有限公司 | Vertical air shaft explosion protection door capable of quickly resetting |
| CN201865530U (en) * | 2010-11-19 | 2011-06-15 | 山西晋城无烟煤矿业集团有限责任公司 | Rotary explosion-proof door |
| CN202117699U (en) * | 2011-06-20 | 2012-01-18 | 鹤壁煤电股份有限公司第三煤矿 | Air window backstop |
| CN203335112U (en) * | 2013-06-14 | 2013-12-11 | 河南理工大学 | Vertical air shaft anti-explosion door with automatic resetting function |
| CN205172635U (en) * | 2015-11-27 | 2016-04-20 | 枣庄和顺达机电设备有限公司 | Shaft is from compound explosion vent |
| CN206647125U (en) * | 2017-04-08 | 2017-11-17 | 湖南科技大学 | A kind of mine explosion door pressure release plugging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107060869A (en) | 2017-08-18 |
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Effective date of registration: 20180627 Address after: 570311 Baishui Road, Xiuying District, Haikou, Hainan Province, No. 11 Patentee after: HAINAN PENGJI CIVIL AIR DEFENSE ENGINEERING Co.,Ltd. Address before: 411201 Xiangtan City, Hunan, Yuhu District Taoyuan Road Patentee before: HUNAN University OF SCIENCE AND TECHNOLOGY |
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Granted publication date: 20180320 |