CN204098956U - A kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage - Google Patents
A kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage Download PDFInfo
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- CN204098956U CN204098956U CN201420385967.1U CN201420385967U CN204098956U CN 204098956 U CN204098956 U CN 204098956U CN 201420385967 U CN201420385967 U CN 201420385967U CN 204098956 U CN204098956 U CN 204098956U
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- refuge chamber
- door
- emergent detection
- door body
- emergent
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model discloses a kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage, and it is made up of door body (2), doorframe (1), wedge shape fixed block (9) and hinge (6) etc.Two Emergent detection passages (18) be parallel to each other are welded on upper observation port 3 side of described door body (2), with pump suction type Multi-parameter gas detector by docking snap joint (20) and ball valve (19) in open channel, realize the function detecting I toxic and harmful outside refuge chamber explosion proof door; For protection shock wave is to the destruction of emergent sense channel (18), welding porous protective cover (4) around Emergent detection passage (18); The function realizing double seal is coordinated by retaining mechanism and hinge (6) and doorframe (1) wedge shape fixed block (9) when closing door body (2).The function that can play antiknock, airtight, fire prevention, heat insulation, Emergent detection and rescue docking of the utility model protective door.
Description
technical field
The utility model relates to the refuge chamber airtight blast door in coal mine underground emergency facility.
background technology
The refuge chamber of current development is detect the ambient parameter outside explosion proof door, all that gas detection sensor is hung over explosion proof door outside, when accidents such as underground coal mine generation gas explosion or coal-dust explosions, hang over gas detection sensor and the communication line thereof of explosion proof door outside, very easily damaged by explosion wave thus cause gas detection sensor cisco unity malfunction, be not easy to down-hole hedging personal security and understand subsurface environment parameter in time, being unfavorable for personnel in the pit's safety exit.
Some refuge chamber airtight blast doors are due to structure design existing problems such as door body locking device gear, hinge and door body weather strips, door body exist can not open fast or close, door body is subject to gas explosion shock wave and destroys, door body airtight performance such as can not to meet the demands at the problem.
Therefore a kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage of special proposition, described airtight blast door is except the high anti-explosion design having carried out door body, outside the design of whole circle weather strip two seals and the laborsaving driven Design of the large pinion of locking device, there is gas explosion in down-hole simultaneously, during the accidents such as coal-dust explosion, if the gas detection sensor of explosion proof door outside damages, the pump suction type Multi-parameter gas detector that available refuge chamber is equipped with, by the Emergent detection passage 18 above door body 2, inside refuge chamber explosion proof door, I just can detect II ambient parameter outside refuge chamber explosion proof door easily, so that the inner hedging personnel of refuge chamber make correct judgement to the ambient parameter outside chamber, be beneficial to and make correct decision-making, for emergency management and rescue and self-help escape provide guarantee favourable in time.
summary of the invention
The problem that the utility model solves is: for colliery act of rescue chamber provides a kind of high anti-knock properties, high leakproofness have the airtight blast door of Emergent detection passage.
The technical solution of the utility model is: described seal protection door overall structure is by doorframe 1, wedge shape fixed block 9, and door body 2 and hinge 6 form; Wherein the overall structure of door body 2 is by outer layer plate 21, internal layer decoration corrosion resistant plate 22, observation port 3, porous protective cover 4, outer hand wheel 5, interior handwheel 7, the close rubber gasket 8 of Type B, hand wheel shaft 10, pinion 11, gear wheel 12, connecting rod 13, push rod 14, gangbar 15, depression bar 16, reinforcing rib 17, Emergent detection passage 18, ball valve 19 and snap joint 20 form.Its architectural feature is: do not affecting coal mine underground refuge chamber airtight blast door inner link 13, under the prerequisite of the drive motion of push rod 14 and gangbar 15, on door body 2, two Emergent detection passages 18 be parallel to each other are welded on the side of observation port 3, then be connected with ball valve 19, can ensure that the toxic and harmful of outside refuge chamber II arbitrarily cannot to enter inside refuge chamber I by Emergent detection passage 18 with the normally closed control of ball valve 19, ball valve 19 is connected with snap joint 20 so that the pump suction type Multi-parameter gas detector rapid abutting joint that is equipped with of Emergent detection passage 18 and refuge chamber.
The retaining mechanism of described airtight blast door is by the outer hand wheel 5 on door body 2, and interior handwheel 7, hand wheel shaft 10, pinion 11, gear wheel 12, connecting rod 13, push rod 14, gangbar 15, the wedge shape fixed block 9 on depression bar 16 and doorframe 1 forms.
One of the purpose of this utility model is when the accident such as gas explosion, coal-dust explosion occurs in down-hole, the pump suction type multi-parameter gas that available refuge chamber is equipped with detects portable instrument and snap joint 20 rapid abutting joint, then open ball valve 19, extracted by two Emergent detection passages 18 and detect the gaseous environment parameter of outside refuge chamber II; Also can when there is the accident such as gas or coal-dust explosion and causing refuge chamber airtight blast door to open, by described Emergent detection passage 18, the emergent docking of rescue inside and outside a body 2 can be realized, to meet the hedging personnel of inside refuge chamber I to conveying needs such as pure air, pure water, nutrient solutions, for emergency management and rescue provide grace time.
One of the purpose of this utility model is for ensureing that coal mine underground refuge chamber airtight blast door has good sealing performance, a kind of whole circle of specialized designs does not have the Type B rubber seal 8 of the flame-retardant and anti-static of joint, the natural resiliency of described flame-retardant and anti-static Type B rubber seal 8 is utilized to be embedded in the Baltimore groove matched that a body 2 mills out, under the effect of retaining mechanism and hinge 6, Type B rubber seal 8 on door body 2 forms two seals layer with the peripheral plane of doorframe 1, the negative relative produced when utilizing two seals lamination tight can realize the double seal performance inside and outside a body 2, can play airtight, fire prevention, heat insulation effect.
One of the purpose of this utility model opens and closes flexible performance for realizing refuge chamber airtight blast door, the retaining mechanism of opposite house body and the wedge shape fixed block 9 of doorframe 1 have carried out specialized designs, its retaining mechanism is characterised in that: described retaining mechanism is 1:11 by the pinion 11 on outer hand wheel 5 or interior handwheel 7 and hand wheel shaft 10 and gear wheel 12 radius ratio, and this structure and Proportionality design are one labour-saving designs the most; The wedge shape fixed block 9 of described doorframe 1, its longitudinal length is longer than lateral length, be conducive to wedge shape fixed block 9 Quick-clamped of depression bar 16 in a body 2 retaining mechanism and doorframe 1 or unclamp, also can prevent from causing the locked situation causing airtight blast door to open to occur because depression bar 16 rotated position simultaneously, be conducive to the quick hedging of personnel in the pit and escape.
accompanying drawing explanation
Fig. 1 is the front elevation drawing of refuge chamber airtight blast door.
Fig. 2 is the lateral view of refuge chamber airtight blast door.
Fig. 3 is the retaining mechanism schematic diagram of refuge chamber airtight blast door.
Fig. 4 is the sectional view of the Type B rubber seal of refuge chamber airtight blast door.
Fig. 5 is the Emergent detection channel design schematic diagram of refuge chamber anti-explosion airtight door.
In figure, 1-doorframe, 2-door body, 3-observation port, 4-many air defences guard shield, 5-outer hand wheel, 6-hinge, handwheel in 7-, 8-B type rubber seal, 9-wedge shape fixed block, 10-hand wheel shaft, 11-pinion, 12-gear wheel, 13-connecting rod, 14-push rod, 15-gangbar, 16-depression bar, 17-reinforcing rib, 18-Emergent detection passage, 19-ball valve, 20-snap joint, 21-outer layer plate, the stainless decorative steel plate of 22-, inside I-refuge chamber, outside II-refuge chamber.
detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows: described coal mine underground refuge chamber airtight blast door, it comprises the major part formations such as doorframe 1, door body 2 and hinge 6.
Described door body 2 is by outer layer plate 21, mineral wool, reinforcing rib 17, stainless composition such as decorative steel plate 22 grade, body 2 is provided with observation port 3 to door, door body 2 inner face edge mills out a circle concave groove, Type B rubber seal 8 is assembled in concave groove, inside and outside door body 2, two sides is by axle sleeve being assembled with interior handwheel 7 and outer hand wheel 5, described door body 2 outer layer plate 21 welds reinforcing rib 17, and cotton at reinforcing rib 17 neutral filling mineral, door body 2 inner face rivets stainless decorative steel plate 22.Door body 2 is connected with doorframe 1 by hinge 6.For prevent Emergent detection passage 18 be hit ripple damage, a porous protective cover 4 is welded around door body 2 Emergent detection passage 18, a ball valve 19 and a snap joint 20 is connected respectively two Emergent detection passage 18 rear ends, docking snap joint 20 after open ball valve 19, just can with outside chamber II gaseous environment effectively dock.
The feature of the retaining mechanism of described door body 2 is that interior handwheel 7 on a body 2 or outer hand wheel 5 are coaxially connected with pinion 11 by hand wheel shaft 10, by turning clockwise, interior handwheel 7 or outer hand wheel 5 drive pinion 11 to rotate, pinion 11 and gear wheel 12 pass through engaged transmission, gear wheel 12 and two, left and right push rod 14 form cam mechanism, push rod 14 and connecting rod 13, gangbar 15 constitutes linkage, linkage is final forms leverage with eight depression bars 16, the rotary motion of depression bar 16 is finally converted into by a series of transmission, depression bar 16 and the wedge shape fixed block 9 on doorframe 1 mutually extrude thus achieve eight point location retaining mechanisms of airtight blast door.Eight depression bars 16 compress Type B rubber seal 8 simultaneously, achieve the thorough seal of airtight blast door.
Wedge shape fixed block 9 on described doorframe 1, its longitudinal length is longer than lateral length, be convenient to the fast-holding of described depression bar 16 and wedge shape fixed block 9 and unclamp, play good sealing function, also can prevent from causing the locked situation causing airtight blast door to open to occur because depression bar 16 rotated position simultaneously, be conducive to the quick hedging of personnel in the pit and escape.
As shown in Figure 5: described door body 2 has two Emergent detection passages 18, when there is the accident such as gas explosion, coal-dust explosion in down-hole, if the gas detection sensor of II is because of under explosion wave or other reason damage cisco unity malfunction situation outside refuge chamber explosion proof door, available pump suction multi-parameter gas detects portable instrument and snap joint 20 rapid abutting joint, then open ball valve 19, extracted by two Emergent detection passages 18 and detect the gaseous environment parameter of outside refuge chamber II.Also can when there is the accident such as gas or coal-dust explosion and causing refuge chamber airtight blast door not open, by described Emergent detection passage 18, the emergent docking of rescue inside and outside a body 2 can be realized, be convenient to I conveyings inside refuge chamber such as pure air, pure water, nutrient solution, to meet emergency management and rescue needs.
As shown in Figure 4: for ensureing that coal mine underground refuge chamber airtight blast door has good sealing performance, a kind of whole circle of specialized designs does not have the Type B rubber seal 8 of the flame-retardant and anti-static of joint, the natural resiliency of described flame-retardant and anti-static Type B rubber seal 8 is utilized to be embedded in the Baltimore groove matched that a body 2 mills out, under the effect of retaining mechanism and hinge 6, Type B rubber seal 8 on door body 2 forms two seals layer with the peripheral plane of doorframe 1, the negative relative produced when utilizing two seals lamination tight can realize the double seal performance inside and outside a body 2, can play airtight, fire prevention, heat insulation effect.
The equipment adapted can be accepted or rejected or be changed to described refuge chamber airtight blast door according to actual needs, is also applicable to non-coal underground mine or underground construction.
Claims (4)
1., with a coal mine underground refuge chamber airtight blast door for Emergent detection passage, it is made up of door body (2), doorframe (1), wedge shape fixed block (9), hinge (6) etc.; It is characterized in that: described door body (2) is by outer layer plate (21), internal layer decoration corrosion resistant plate (22), observation port (3), porous protective cover (4), outer hand wheel (5), interior handwheel (7), the close rubber gasket of Type B (8), hand wheel shaft (10), pinion (11), gear wheel (12), connecting rod (13), push rod (14), gangbar (15), depression bar (16), reinforcing rib (17), Emergent detection passage (18), ball valve (19) and snap joint (20) form; Two Emergent detection passages (18) be parallel to each other are welded on observation port (3) side of described door body (2), Emergent detection passage (18) is connected with ball valve (19) and snap joint (20), the upper Emergent detection passage (18) of door body (2) welding porous protective cover (4) around, to prevent explosion wave to the destruction of emergent sense channel (18).
2. a kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage according to claim 1, it is characterized in that: the pump suction type multi-parameter gas be equipped with by refuge chamber detects portable instrument and snap joint (20) rapid abutting joint, then open ball valve (19), extracted by two Emergent detection passages (18) and detect the gaseous environment parameter of (II) outside refuge chamber; Form the inside and outside docking of door body (2).
3. a kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage according to claim 1, it is characterized in that: be provided with the Type B rubber seal (8) that a kind of whole circle does not have the flame-retardant and anti-static of joint, the natural resiliency of described flame-retardant and anti-static Type B rubber seal (8) is utilized to be embedded in the Baltimore groove matched that a body (2) mills out, under the effect of retaining mechanism and hinge (6), the Type B rubber seal (8) on door body (2) forms two seals layer with the peripheral plane of doorframe (1).
4. a kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage according to claim 1, it is characterized in that: retaining mechanism is by the outer hand wheel (5) on door body (2), interior handwheel (7), hand wheel shaft (10), pinion (11), gear wheel (12), connecting rod (13), push rod (14), gangbar (15), wedge shape fixed block (9) composition on depression bar (16) and doorframe (1); The wedge shape fixed block (9) of described doorframe (1), its longitudinal length is longer than lateral length, is conducive to wedge shape fixed block (9) Quick-clamped of depression bar (16) in a body (2) retaining mechanism and doorframe (1) or unclamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420385967.1U CN204098956U (en) | 2014-07-14 | 2014-07-14 | A kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420385967.1U CN204098956U (en) | 2014-07-14 | 2014-07-14 | A kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage |
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| CN204098956U true CN204098956U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420385967.1U Expired - Fee Related CN204098956U (en) | 2014-07-14 | 2014-07-14 | A kind of coal mine underground refuge chamber airtight blast door with Emergent detection passage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088667A (en) * | 2014-07-14 | 2014-10-08 | 江西省煤炭工业科学研究所 | Underground coal mine refuge chamber protective air-tight door with emergency detection channels |
| CN106652140A (en) * | 2016-12-28 | 2017-05-10 | 上海市城市排水有限公司机修安装分公司 | Dangerous zone security entrance guard device for drainage pumping station and using method of device |
| CN107288686A (en) * | 2017-07-26 | 2017-10-24 | 常州华东人防设备有限公司 | Protective airtight partition door for subway district drainage ditch device |
-
2014
- 2014-07-14 CN CN201420385967.1U patent/CN204098956U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088667A (en) * | 2014-07-14 | 2014-10-08 | 江西省煤炭工业科学研究所 | Underground coal mine refuge chamber protective air-tight door with emergency detection channels |
| CN106652140A (en) * | 2016-12-28 | 2017-05-10 | 上海市城市排水有限公司机修安装分公司 | Dangerous zone security entrance guard device for drainage pumping station and using method of device |
| CN107288686A (en) * | 2017-07-26 | 2017-10-24 | 常州华东人防设备有限公司 | Protective airtight partition door for subway district drainage ditch 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 |
Granted publication date: 20150114 Termination date: 20150714 |
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| EXPY | Termination of patent right or utility model |