CN101943025A - Vertical air shaft explosion protection door capable of quickly resetting - Google Patents
Vertical air shaft explosion protection door capable of quickly resetting Download PDFInfo
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- CN101943025A CN101943025A CN2009100160989A CN200910016098A CN101943025A CN 101943025 A CN101943025 A CN 101943025A CN 2009100160989 A CN2009100160989 A CN 2009100160989A CN 200910016098 A CN200910016098 A CN 200910016098A CN 101943025 A CN101943025 A CN 101943025A
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Abstract
The invention discloses a vertical air shaft explosion protection door/cover capable of quickly resetting, belonging to a coal mine ventilation safety facility. The vertical air shaft explosion protection door is mainly composed of a door body 2, a heavy punch part, an inverted ventilation lock catch device and an oiling small shaft, wherein multiple groups of heavy punch assemblies of the heavy punch part are variable quality tank heavy punch assemblies 4 or variable quality tanks 19, and the variable quality tank heavy punch assemblies 4 or the variable quality tanks 19 are connected with the explosion protection door body 2 by a steel wire rope 7 and a pulley block 8; the variable quality tanks 19 are liquid storage tanks and are connected with a water supply by a water inlet and outlet pipe 13; and water reserve in the variable quality tanks is increased or reduced to replace the action of increasing or reducing the number of the weight, thus controlling the weight of the heavy punch assembly. The explosion protection door is also provided with the quick inverted ventilation lock catch device 1 and a stable synchronous elevator mechanism. The explosion protection door adopts mechanical operation to realize remote monitoring of the latch and the reset of the explosion protection door, changes outdoor operation into indoor operation, has the advantages of high resetting and latching speed, time and labour saving and safe operation, lightens physical work and improves the coal mine ventilation safety.
Description
Technical field
The present invention relates to the upright ventilating shaft explosion proof door of coalmine ventilation safety device, particularly a kind of can resetting fast and the upright ventilating shaft explosion proof door that resets fast of snap close.Upright ventilating shaft explosion proof door claims upright ventilating shaft Explosion-proof cap again.
Background technology
Upright ventilating shaft explosion proof door is the critical facility of coalmine ventilation safety.Its effect is: 1. when the down-hole in a single day gas or coal-dust explosion take place, opened automatically by the percussion of high-pressure gas wave, avoid damaging with the protection main fan.2. under normal circumstances, explosion-proof door closure is airtight at upright ventilating shaft well head, prevents distinguished and admirable short circuit.3. when the main fan machine halt trouble takes place, increase weight group weight, the pull-up explosion proof door reaches the 1.5m design height, opens wide the ventilating shaft well head, realizes natural ventilation.4. when inverted ventilation: need inverted ventilation as the down-hole breaking out of fire, the inverted ventilation locking device should be in locked position, and the door body is pushed down and locked, and self is not rotatable.
The upright ventilating shaft explosion proof door of prior art mainly by explosion-proof every body 2, weight assembly 4 ', inverted ventilation locker 1 ' and oiling The Small Well four parts form, as shown in Figure 1, 2.Flame proof tank 3 is communicated with through pipeline with the oiling The Small Well, plays the water seal effect.Existing upright ventilating shaft explosion proof door uses the problem that exists as follows:
1. explosion proof door can't reset or reset difficulty: this method of operating by dismounting and installation weight quantity, adjustment weight group and explosion-proof every body weight relation can make sense theoretically.But, but exist the following many obstacles that can't go beyond at the scene in the practical operation.
1. rise to 1.5m height when explosion proof door, well head opens wide on the ventilating shaft, and mine utilizes natural ventilation pressure to ventilate, personnel above the ventilating shaft mouth or near high-rise working, easily produce frightenedly, have potential safety hazard.
2. generally more than 2.0m, personnel are operation aloft, has hidden danger apart from ground level for the weight group.
3. every generally about 50Kg of movement weight mass weight, and must be symmetrically from two groups or four groups of weight assemblies, take off simultaneously, otherwise will cause explosion-proof every body to tilt, there are operating difficulties and the many problems of personnel selection.
The snap close explosion proof door consuming time many, to take personnel many:
Former explosion proof door inverted ventilation locker 1 ' as shown in Figure 3; By being positioned at outer peripheral eight briquettings 2 of explosion proof door ' and pre-embedded bolt 3 ' form.When blower fan runs well, eight briquettings 2 of inverted ventilation locker ' should be in the position of not withholding a body and tighten up not free rotation.Only when inverted ventilation, just withhold a body and locking.
When back lass, need by manually eight briquettings 2 ' mention to revolve being turn 90 degrees, an end is pressed on the body 2, and the other end is pressed on the slab that is embedded in the borehole wall, again with pre-embedded bolt 3 ' tighten.Prepare personnel under the situations such as deficiency or bad weather, the operation of snap close explosion proof door is consuming time many.According to measuring and calculating: do not having under effective personnel's preparation, the snap close operation reached more than 3 minutes, therefore incured loss through delay the inverted ventilation time, can not finish the inverted ventilation operation sometimes in 10 minutes.
Explosion proof door can not be steadily, synchronization lifting: in actual motion, owing to be subjected to factor affecting such as extraneous wind-force, wire rope frictional force, explosion proof door crudy, explosion proof door rises and landing can not guarantee steadily and synchronously, jam and crooked takes place easily.
Summary of the invention
In order to overcome existing upright ventilating shaft explosion proof door reset operation difficulty, many, many, the slow-footed weak point of personnel selection consuming time, the invention provides a kind of upright ventilating shaft explosion proof door that resets fast, can realize mechanically actuated and Long-distance Control that explosion proof door resets, speed is fast, time and labour saving, handling safety, alleviate manual labor.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
The upright ventilating shaft explosion proof door that resets fast is made up of door body, weight part, inverted ventilation locker and oiling The Small Well etc.The weight part is made up of array weight assembly, and every group of weight assembly walked around assembly pulley by wire rope respectively and be connected with the door body.Its weight assembly adopts rotten measuring tank weight assembly or rotten measuring tank.Rotten measuring tank weight assembly is the composite member of rotten measuring tank and balancing weight.Rotten measuring tank or claim fluid reservoir, by water inlet pipe and water outlet pipe with add water for it and be connected with the water supply installation that discharges water.After the rotten measuring tank topped up with water, the gross weight of weight assembly＞door body weight, after rotten measuring tank has been put water, the gross weight of weight assembly＜door body weight.
The present invention solves the problems of the technologies described above the technical scheme that is adopted can also be:
The inverted ventilation locker of the upright ventilating shaft explosion proof door that resets fast is made of electric pushrod or hydraulic push rod, depression bar, deflector roll etc.When electronic or hydraulic push rod stretched out, the depression bar hinged with push rod was under the horizontally-guided of last lower guide roll, with the wedge interlock on the door body.When electronic or hydraulic push rod was withdrawn, depression bar and wedge broke away from.The depression bar front end can be installed pressure roller and cooperate with wedge.
The upright ventilating shaft explosion proof door that resets is fast established steady synchronization lifting mechanism; This mechanism divides by array elevating mechanism, every group by lifting wire rope, lifting pulley group, series cylinder or electric pushrod constitute synchronously.
The invention has the beneficial effects as follows:
1. utilize the method for pondage replacement increase and decrease balancing weight quantity in the allochromatic metamorphism measuring tank, make the manually-operated that originally is difficult to finish, become the mechanically actuated that easily to finish; Reduced operative employee's labour intensity, reduced the meaningless blowing-out time that increases because of manually-operated, eliminated, greatly improved the mine ventilation safety owing to the main fan long potential safety hazard that causes of idle time.Explosion proof door is resetted fast, and can be implemented in the remote monitoring in the main ventilation machine room, replace field operation, avoid factors such as bad weather, night lighting, distance that explosion proof door is resetted and the influence of snap close operation with in-house operation.
2. replace artificial snap close with mechanical inverted ventilation locker, reduce operating time and personnel, for timely inverted ventilation gains time.The pressure roller of locker and voussoir volume are little, in light weight, the tight snap close of interlock is effective.
3. steadily synchronous lifting device can guarantee the steady lifting of explosion proof door, prevents jam and crooked.
Description of drawings
Fig. 1 be existing upright ventilating shaft explosion proof door the structural representation front view, be A '-A ' sectional view.
Fig. 2 is the structural representation vertical view of existing upright ventilating shaft explosion proof door.
Fig. 3 be existing upright ventilating shaft explosion proof door inverted ventilation locker structural representation, be I ' zoomed-in view.
Fig. 4 be the upright ventilating shaft explosion proof door of the present invention the structural representation front view, be the A-A sectional view.
Fig. 5 is the structural representation vertical view of the upright ventilating shaft explosion proof door of the present invention.
Fig. 6 be rotten measuring tank weight assembly structural representation master sectional view, be the I zoomed-in view.
Fig. 7 is the formation schematic diagram of the pumping plant of upright ventilating shaft explosion proof door.
Fig. 8 is the water circulation system figure of rotten measuring tank.
Fig. 9 is the hydraulic scheme of double rod cylinder.
Figure 10 be the wire rope cutting ferrule structural representation, be the II zoomed-in view.
Figure 11,12 is respectively the schematic diagram that the inverted ventilation locker is in reset mode, snap close state.
Among the figure: 1-inverted ventilation locker, the explosion-proof every body of 2-, 3-flame proof tank, the 4-measuring tank weight assembly that goes bad, the 5-double rod cylinder, the 6-pumping plant, the 7-wire rope, the 8-assembly pulley, the 9-lifting wire rope, 10-lifting pulley group, the 11-pulley bracket, 12-passes in and out oil pipe, the 13-water inlet pipe and water outlet pipe, the 14-coupling head, the 15-pull bar, 16-balancing weight or movement weight mass, the 17-connecting rod, the 18-gas vent, rotten measuring tank of 19-or fluid reservoir, the 20-intake-outlet, the 21-one way valve, the 22-suction pump, the 23-electric butterfly valve, the 24-hydraulic pump, the 25-water tank, the 26-small pump, the 27-electric butterfly valve, the 28-fuel tank, the 29-motor, the 30-rope cramp, the 31-rig thimbler, the 32-electric pushrod, the 33-depression bar, the 34-deflector roll, the 35-pressure roller, the 36-wedge, 37-base and support; 1 '-former inverted ventilation locker, 2 '-briquetting, 3 '-pre-embedded bolt, 4 '-former weight assembly.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
The structure of the upright ventilating shaft explosion proof door that resets fast in the present invention shown in Fig. 4,5.It mainly is made up of explosion-proof every body 2, weight part, inverted ventilation locker 1 and oiling The Small Well four parts; It is improved explosion proof door on existing upright ventilating shaft explosion proof door basis.Explosion-proof every body 2 and oiling The Small Well are with original identical; Door body 2 is walked around assembly pulley 8 and is connected with the weight assembly by wire rope 7; Assembly pulley 8 is installed on the pulley bracket 11.The weight assembly of weight part and wire rope 7 thereof, assembly pulley 8 have four groups, and symmetry is distributed on ventilating shaft well head periphery.The oiling The Small Well is communicated with flame proof tank 3 by L shaped pipeline, by oiling The Small Well supplementing water or oil, plays the water seal effect.
In order to realize that explosion proof door resets and snap close and the steadily requirement of synchronization lifting fast, improves, and has increased the steady synchronization lifting mechanism of explosion proof door explosion proof door weight part, inverted ventilation locker.
One. the quick resetting means of explosion proof door and steady synchronization lifting mechanism:
1. the quick resetting means of explosion proof door: principle is that the balancing weight of former weight assembly is changed into rotten measuring tank, is fluid reservoir, plus-minus balancing weight quantity is converted to the mode that changes liquid quality in the fluid reservoir, thereby has realized the remote control of weight assembly weight.
The structure of rotten measuring tank weight assembly 4 shown in Figure 6.It is made up of balancing weight 16 and rotten measuring tank 19 two parts.Balancing weight 16 is last, and rotten measuring tank 19 is following.Rotten measuring tank 19 is connected the bottom surface of balancing weight 16 by the connecting rod 17 at top.
Balancing weight 16 is by 15 series connection of the pull bar in its centre bore.There is coupling head 14 pull bar 15 upper ends, by coupling head 14, wire rope cutting ferrule, are connected with wire rope 7.Pull bar 15 lower ends have nut to fix.
With rotten measuring tank weight assembly 4 substitute former weight assemblies 4 ', its quality is divided into two parts: 1. fixed mass part: balancing weight 16 and fluid reservoir 19 own wts; 2. variable mass part: variable amount of water in the fluid reservoir 19.By changing the water yield that adds in the fluid reservoir 19, can change the weight of rotten measuring tank weight assembly 4.Like this,, be converted to the mode that changes liquid weight in the fluid reservoir, promptly realize the adjustment of weight assembly weight is controlled with mechanical means with the quantity of plus-minus movement weight mass.Under normal circumstances, each fluid reservoir 19 storage full water, the gross weight of rotten measuring tank weight assembly 4 is greater than the weight of explosion-proof every body 2.Each fluid reservoir 19 has been put water, and the gross weight of rotten measuring tank weight assembly 4 is less than the weight of door body 2.
The weight assembly only without balancing weight 16, also can be realized above-mentioned purpose with rotten measuring tank 19, but the weight appropriate mix of need will go bad measuring tank 19 and door body 2.
The water supply installation of the fluid reservoir 19 in pumping plant 6 shown in Fig. 7,8 or title water circulation system.The adding of fluid reservoir 19, the equipment of discharging water mainly contains small pump 26, suction pump 22, electric butterfly valve 23 and 27, water tank 25 etc., and they connect and compose the water supply installation of fluid reservoir by pipeline.The water inlet pipe and water outlet pipe 13 that is connected with fluid reservoir intake-outlet 20 is divided into two-way: the one tunnel through suction pump 22, electric butterfly valve 23, and water receiving case 25 is for fluid reservoir 19 adds water; Another road is through electric butterfly valve 27, small pump 26, and water receiving case 25 is for fluid reservoir 19 discharges water.Water tank 25 is through stop valve water receiving source.Fluid reservoir 19 adds water and the change weight that discharges water by water supply installation, thereby realizes the adjustment of rotten measuring tank weight assembly 4 weight.
2. the steady synchronization lifting mechanism of explosion proof door:, prevent jam and crooked in order to guarantee the steadily requirement of synchronization lifting of explosion proof door.Set up the steady synchronization lifting mechanism of explosion proof door at the explosion proof door periphery.
The composition of the steady synchronization lifting mechanism of explosion proof door shown in Figure 4.It is made up of four groups of elevating mechanisms, and every group is made of lifting wire rope 9, lifting pulley group 10, double rod cylinder 5 etc.Lifting wire rope 9 one ends are connected on explosion-proof every body 2, and the other end is walked around lifting pulley group 10, are connected with the piston rod of double rod cylinder 5.Double rod cylinder 5 is connected with pumping plant 6 by turnover oil pipe 12.Lifting pulley group 10 is contained on the same pulley bracket 11 with assembly pulley 8, and is positioned at the below of assembly pulley 8.
The formation of the hydraulic power unit of the steady synchronization lifting mechanism of explosion proof door in the pumping plant 6 shown in Figure 7.It is made of hydraulic pump 24, one way valve 21, turnover oil pipe 12 etc.This hydraulic power unit is combined into pumping plant 6 with the water circulation system of fluid reservoir.
The hydraulic system of the steady synchronization lifting mechanism double rod cylinder of explosion proof door shown in Figure 9.The liquid inlet and outlet of four double rod cylinders 5, order series connection successively, total feed tube of series loop, main drain pipe road and hydraulic pump 24, four one way valves 21 are connected.Hydraulic pump 24 is driven by motor 29.Four one way valve 21 1 termination liquid in-out pipes, other end connected tank 28.By 29 rotatings of control motor, change the supply opening of hydraulic pump 24, the piston rod synchronization telescope of four double rod cylinders 5 of control, and then control four lifting wire ropes 9 and propose sliding door body 2 liftings synchronously.Adopt double rod cylinder can improve the flexible precision of piston rod, guarantee that explosion proof door rises and the synchronism and the stability of landing.Double rod cylinder 5 also can adopt the single-piston rod oil cylinder of synchronous series connection, or electric pushrod substitutes.
The structure of wire rope cutting ferrule shown in Figure 10.It is made of rope cramp 30, rig thimbler 31; Be connected with the connection ear by bearing pin.Being connected of the coupling head 14 of wire rope 7 and door a body 2, pull bar 15, lifting wire rope 9 is connected with a body 2, double rod cylinder piston rod, all adopts this wire rope cutting ferrule.
Two. the quick inverted ventilation locker of explosion proof door: for solve the artificial snap close of explosion proof door conciliate snap close consuming time many, speed slow, take the problem more than the personnel, changes former inverted ventilation locker into electronic or hydraulic pressure.
Shown in Figure 11,12 fast the structure and the snap close thereof of inverted ventilation locker, two states resets.Illustrated explosion proof door inverted ventilation locker 1 is made up of electric pushrod 32, depression bar 33, deflector roll 34, pressure roller 35, wedge 36, base and support 37 etc.The push rod of electric pushrod 32 and depression bar 33 are hinged, and depression bar 33 upper and lowers have deflector roll 34 horizontally-guideds.Depression bar 33 front ends have pressure roller 35, and wedge 36 is welded on the body 2.Base and support 37 provide fixed bearing for electric pushrod 32, deflector roll 34 etc.
When mine needs inverted ventilation, when requiring explosion proof door to be in the snap close state, starts electric pushrod 32 and stretch out, promote depression bar 33, the pressure roller 35 of depression bar 33 front ends and corresponding wedge 36 interlocks make explosion proof door be in the snap close state.When needs are removed the snap close state, start electric pushrod 32 and shrink, pulling depression bar 33, pressure roller 35 breaks away from wedge 36 on the door body, stops automatically after making explosion proof door be in reset mode.
Mode is pulled in the rotation of former inverted ventilation locker changed into succinct rectilinear motion snap close mode, be convenient to make the snap close operation of explosion proof door to realize mechanically actuated, can also increase the function of remote monitoring, replace field operation with in-house operation, avoid factors such as bad weather, night lighting, distance that explosion proof door is resetted and the influence of snap close operation.By test, just can finish the snap close and the unlocking operation of explosion proof door in the 5s.
Upright ventilating shaft explosion proof door control method:
1. when gas and dust explosion took place, explosion proof door can freely be risen by enormous impact power.
2. shut down when main fan, control device receives stopping signal, discharges fluid reservoir part water and alleviates weight group weight, starts synchronous series cylinder pull-up explosion proof door then to the 1.5m height, realizes natural ventilation.
3. possess the start condition when main fan, control device control bleeds off water in the fluid reservoir, makes variable jar weight group weight less than explosion proof door weight, starts synchronous series cylinder then and transfers explosion proof door and put in place.
4. after the main fan operation is normal, in fluid reservoir, add water, recover stand-by state.
5. when the needs inverted ventilation, start electric pushrod and stretch out, make pressure roller and wedge interlock, explosion proof door be in the snap close state.When inverted ventilation finishes, start electric pushrod and return, explosion proof door is removed the snap close state.
Claims (5)
1. a upright ventilating shaft explosion proof door that resets fast comprises a body (2), weight part, inverted ventilation locker and oiling The Small Well; The weight part is made up of array weight assembly, and every group of weight assembly walked around assembly pulley (8) respectively by wire rope (7), is connected with door body (2); It is characterized in that: said weight assembly is rotten measuring tank weight assembly (4) or rotten measuring tank (19); Rotten measuring tank weight assembly (4) is the composite member of rotten measuring tank (19) and balancing weight (16); Rotten measuring tank (19) or claim fluid reservoir, by water inlet pipe and water outlet pipe (13) with add water for it and be connected with the water supply installation that discharges water; After rotten measuring tank (19) topped up with water, the weight of the gross weight of weight assembly＞door body (2), after rotten measuring tank (19) has been put water, the weight of the gross weight of weight assembly＜door body (2).
2. the upright ventilating shaft explosion proof door that resets fast according to claim 1 is characterized in that: the inverted ventilation locker (1) of said explosion proof door comprises electric pushrod (32) or hydraulic push rod, depression bar (33), deflector roll (34); The push rod of electric pushrod (32) or hydraulic push rod and depression bar (33) are hinged, the deflector roll (34) of promising its horizontally-guided of upper and lower of depression bar (33); When push rod stretched out, depression bar (33) was gone up corresponding wedge (36) with door body (2) and is in interlocking pattern; When pusher retracted, depression bar (33) is in disengaged position with wedge (36).
3. the upright ventilating shaft explosion proof door that resets fast according to claim 2 is characterized in that: the front end of said depression bar (33), promptly with an end of wedge (36) interlock, pressure roller (35) is arranged.
4. the upright ventilating shaft explosion proof door that resets fast according to claim 1 is characterized in that: said door body (2) has steady synchronization lifting mechanism; This mechanism is made up of the array elevating mechanism, and every group of elevating mechanism comprises lifting wire rope (9), lifting pulley group (10) and synchronous series cylinder or electric pushrod; Lifting wire rope (9) one ends are connected with door body (2), and the other end is walked around lifting pulley group (10), is connected with the piston rod of synchronous series cylinder or the push rod of electric pushrod; The liquid inlet and outlet of each synchronous series cylinder is by pipeline order series connection successively.
5. the upright ventilating shaft explosion proof door that resets fast according to claim 4 is characterized in that: said synchronous series cylinder is the double rod cylinder (5) of connecting synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100160989A CN101943025A (en) | 2009-07-07 | 2009-07-07 | Vertical air shaft explosion protection door capable of quickly resetting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100160989A CN101943025A (en) | 2009-07-07 | 2009-07-07 | Vertical air shaft explosion protection door capable of quickly resetting |
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| CN101943025A true CN101943025A (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100160989A Pending CN101943025A (en) | 2009-07-07 | 2009-07-07 | Vertical air shaft explosion protection door capable of quickly resetting |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155250A (en) * | 2011-01-27 | 2011-08-17 | 山西潞安环保能源开发股份有限公司 | Self-reset explosion-proof door |
| CN102392686A (en) * | 2011-11-04 | 2012-03-28 | 煤炭科学研究总院 | Lifting buffering self-restoring anti-explosive door of vertical shaft |
| CN102562140A (en) * | 2012-02-23 | 2012-07-11 | 周荣刚 | Disaster reduction control system of explosion door of underground return air main roadway |
| CN104074544A (en) * | 2014-06-18 | 2014-10-01 | 河南理工大学 | Vertical air shaft double-door type explosion-proof system |
| CN104564146A (en) * | 2015-01-07 | 2015-04-29 | 西安钧泰环保设备工程有限公司 | Variable mass system of vertical air shaft explosion door and control method thereof |
| CN105251416A (en) * | 2015-11-04 | 2016-01-20 | 成都鲁晨新材料科技有限公司 | Explosion-proof high-pressure kettle |
| 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 |
| CN107060869A (en) * | 2017-04-08 | 2017-08-18 | 湖南科技大学 | A kind of mine explosion door pressure release plugging device |
| CN108343461A (en) * | 2017-07-10 | 2018-07-31 | 山东科技大学 | Mine main ventilator Antiexplosive manhole cover |
| CN109026136A (en) * | 2018-09-14 | 2018-12-18 | 宁波合力伟业消防科技有限公司 | Tunnel escape manhole mounting structure and tunnel escape well |
| CN109046611A (en) * | 2018-09-01 | 2018-12-21 | 辽宁石油化工大学 | A kind of explosion-protection equipment for hammer mill |
| CN109826506A (en) * | 2019-04-03 | 2019-05-31 | 河南大有能源股份有限公司跃进煤矿 | A kind of vertical Explosion-proof cap inverted ventilation forced locking device |
| CN112177184A (en) * | 2020-11-11 | 2021-01-05 | 陈琇 | Explosion-proof factory building pressure release equipment |
| CN114542185A (en) * | 2022-02-25 | 2022-05-27 | 兖矿能源集团股份有限公司兴隆庄煤矿 | Automatic lifting system for explosion-proof cap of air shaft of coal mine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001355400A (en) * | 2000-04-04 | 2001-12-26 | National Institute Of Advanced Industrial & Technology | Soundproof door |
| CN1811133A (en) * | 2005-12-31 | 2006-08-02 | 沙同庆 | Explosion-proof door locking device for coal mine air-shaft |
| CN200948997Y (en) * | 2006-09-27 | 2007-09-19 | 李敦彦 | Hydrodynamic lifting elevator |
-
2009
- 2009-07-07 CN CN2009100160989A patent/CN101943025A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001355400A (en) * | 2000-04-04 | 2001-12-26 | National Institute Of Advanced Industrial & Technology | Soundproof door |
| CN1811133A (en) * | 2005-12-31 | 2006-08-02 | 沙同庆 | Explosion-proof door locking device for coal mine air-shaft |
| CN200948997Y (en) * | 2006-09-27 | 2007-09-19 | 李敦彦 | Hydrodynamic lifting elevator |
Non-Patent Citations (1)
| Title |
|---|
| 杨联合; 刘云涛: "中央风井防爆井盖配重的选择计算及应用", 《矿山压力与顶板管理》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155250A (en) * | 2011-01-27 | 2011-08-17 | 山西潞安环保能源开发股份有限公司 | Self-reset explosion-proof door |
| CN102392686A (en) * | 2011-11-04 | 2012-03-28 | 煤炭科学研究总院 | Lifting buffering self-restoring anti-explosive door of vertical shaft |
| CN102562140A (en) * | 2012-02-23 | 2012-07-11 | 周荣刚 | Disaster reduction control system of explosion door of underground return air main roadway |
| CN104074544A (en) * | 2014-06-18 | 2014-10-01 | 河南理工大学 | Vertical air shaft double-door type explosion-proof system |
| CN104074544B (en) * | 2014-06-18 | 2017-03-29 | 河南理工大学 | Vertical ventilating shaft Double door type explosion protection system |
| CN104564146A (en) * | 2015-01-07 | 2015-04-29 | 西安钧泰环保设备工程有限公司 | Variable mass system of vertical air shaft explosion door and control method thereof |
| CN105251416A (en) * | 2015-11-04 | 2016-01-20 | 成都鲁晨新材料科技有限公司 | Explosion-proof high-pressure kettle |
| 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 |
| CN107060869A (en) * | 2017-04-08 | 2017-08-18 | 湖南科技大学 | A kind of mine explosion door pressure release plugging device |
| CN107060869B (en) * | 2017-04-08 | 2018-03-20 | 湖南科技大学 | A kind of mine explosion door pressure release plugging device |
| CN108343461A (en) * | 2017-07-10 | 2018-07-31 | 山东科技大学 | Mine main ventilator Antiexplosive manhole cover |
| CN109046611A (en) * | 2018-09-01 | 2018-12-21 | 辽宁石油化工大学 | A kind of explosion-protection equipment for hammer mill |
| CN109026136A (en) * | 2018-09-14 | 2018-12-18 | 宁波合力伟业消防科技有限公司 | Tunnel escape manhole mounting structure and tunnel escape well |
| CN109826506A (en) * | 2019-04-03 | 2019-05-31 | 河南大有能源股份有限公司跃进煤矿 | A kind of vertical Explosion-proof cap inverted ventilation forced locking device |
| CN109826506B (en) * | 2019-04-03 | 2023-09-22 | 河南大有能源股份有限公司跃进煤矿 | Automatic locking device for vertical shaft explosion-proof cover anti-wind |
| CN112177184A (en) * | 2020-11-11 | 2021-01-05 | 陈琇 | Explosion-proof factory building pressure release equipment |
| CN112177184B (en) * | 2020-11-11 | 2022-09-02 | 陈琇 | Explosion-proof factory building pressure release equipment |
| CN114542185A (en) * | 2022-02-25 | 2022-05-27 | 兖矿能源集团股份有限公司兴隆庄煤矿 | Automatic lifting system for explosion-proof cap of air shaft of coal mine |
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Application publication date: 20110112 |