CN209212279U - A kind of explosion-proof door locking device for coal mine air-shaft - Google Patents
A kind of explosion-proof door locking device for coal mine air-shaft Download PDFInfo
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- CN209212279U CN209212279U CN201822097082.2U CN201822097082U CN209212279U CN 209212279 U CN209212279 U CN 209212279U CN 201822097082 U CN201822097082 U CN 201822097082U CN 209212279 U CN209212279 U CN 209212279U
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- proof door
- fixed
- explosion
- sleeve
- plate
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Abstract
The utility model discloses a kind of explosion-proof door locking device for coal mine air-shaft, including installing base, the installation base is equipped with the first opening, first opening is equipped with explosion proof door, the upper end of the installation base is equipped with hoisting device, the upper end of the installation base is respectively fixed with four bottom plates for one week, the upper end side of the bottom plate is fixed with fixed plate, one end of the fixed plate is rotatably connected to pressing plate, the lower end side of the pressing plate is contradicted in the upper end side of explosion proof door, the upper end of the bottom plate is fixed with first sleeve, the lower end of the pressing plate is rotatably connected to second sleeve, through equipped with gag lever post on one end side wall of the first sleeve, one end of the gag lever post extends in first sleeve.The utility model solves the problems, such as that explosion proof door is inconvenient to lock, conveniently manually adjusts, protect the safety of explosion proof door by improvements over the prior art, has the effect of buffering decompression, avoids the mobile dislocation of explosion proof door, easy to operate.
Description
Technical field
The utility model relates to coal mine explosion-proof gate technique field more particularly to a kind of explosion-proof door locking device for coal mine air-shaft.
Background technique
The majority of China's coal-mine ventilation at present is exhaust ventilation, and ventilating system is pull-out type.Mine accident is exploded in order to prevent
Wave destroys chief ventilators, and the explosion-proof well head on straight-through ground is arranged in front of ventilating shaft.The well head is under normal negative pressure ventilation condition
Well head is covered with explosion proof door, to prevent leak-stopping wind.Once underground is exploded, blast impulse blast can wash explosion proof door open, in this way
It is prevented that shock wave damages chief ventilators.When explosion occurs for underground or generation fire generation pernicious gas is gushed out, according to
Positive pressure forced ventilation is changed into sometimes for inverted ventilation is carried out, by negative pressure extraction-type ventilation in disaster place.
When coal mine is normally divulged information, for the free gland of explosion proof door on well head, locker not compresses explosion proof door.In underground
Explosion time occurs, blast impulse blast can wash explosion proof door release open, protect ventilating shaft chief ventilators not by impact failure.Work as well
Issue the disasters such as calamity of lighting a fire, gas, in order to rescue underground be murdered personnel when, it is sometimes desirable to inverted ventilation.Ventilating shaft explosion-proof door in order to prevent
It is opened by the distinguished and admirable drum of inverted ventilation and causes Air escape branch, influence reverse-wind effect, it is necessary to compressed explosion proof door, existing pressing device structure is multiple
It is miscellaneous, it is complicated for operation, for this purpose, we have proposed a kind of explosion-proof door locking device for coal mine air-shaft to solve the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of coal mine air-shaft proposed is anti-
Quick-fried door locking device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of explosion-proof door locking device for coal mine air-shaft, including installation base, the installation base is equipped with the first opening, described
First opening is equipped with explosion proof door, and the upper end of the installation base is equipped with hoisting device, the upper end of the installation base one week
Four bottom plates are respectively fixed with, the upper end side of the bottom plate is fixed with fixed plate, and one end of the fixed plate is rotatably connected to
The lower end side of pressing plate, the pressing plate is contradicted in the upper end side of explosion proof door, and the upper end of the bottom plate is fixed with first sleeve, institute
The lower end for stating pressing plate is rotatably connected to second sleeve, runs through on one end side wall of the first sleeve and is equipped with gag lever post, the limit
One end of position bar extends in first sleeve, and the other end of the gag lever post runs through one end of second sleeve and extends to second set
In cylinder, the both ends of the gag lever post are respectively and fixedly provided with block, and bottom in the second sleeve is fixed there are two the first spring, and two
One end of first spring is fixed on the block in second sleeve, and one end that the gag lever post is located in first sleeve is arranged
There is second spring, the fixed plate is equipped with the second opening, and second opening is equipped with limiting device.
Preferably, the limiting device includes the push rod for being mounted on gag lever post side, and one end of the push rod runs through second
It is open and extends to the side of fixed plate, the push rod is equipped with limit hole, and second opening is equipped with through-hole, the through-hole
Interior to run through equipped with inserted link, one end of the inserted link extends in limit hole.
Preferably, the hoisting device includes being fixed on installation one week four support rod in base upper end, the support rod
Upper end be fixed with mounting plate, the lower end side installation of the mounting plate is wound with drawing on two pulleys there are two pulley jointly
Rope, one end of the drawstring are fixed with load-carrying block, and the other end of the drawstring is fixed on explosion proof door.
Preferably, the upper end two sides of the support rod are respectively and fixedly provided with support plate, and one end of two support plates is separately fixed at
The lower end two sides of mounting plate.
Preferably, the push rod is equipped with anti-skid chequer.
Preferably, rubber layer is coated on the pressing plate.
Compared with prior art, the utility model has the beneficial effects that
1, by the cooperation of load-carrying block, drawstring, mounting plate and explosion proof door, the movement of explosion proof door is assisted, explosion proof door is avoided to move
Dynamic dislocation, solving the problems, such as that explosion proof door is overweight is inconvenient to move, and has achieved the purpose that facilitate adjusting explosion proof door position, structure letter
It is single, it is time saving and energy saving；
It is 2, mobile by push rod band dynamic pressure plate by the cooperation of first sleeve, second sleeve, pressing plate, push rod and gag lever post,
Explosion proof door is compressed, solves the problems, such as that explosion proof door is inconvenient to lock, facilitates manual compression, protects the safety of explosion proof door, and
Facilitate bumper and absorbing shock；
In conclusion the utility model solves the problems, such as that explosion proof door is inconvenient to lock by improvements over the prior art,
It conveniently manually adjusts, protects the safety of explosion proof door, have the effect of buffering decompression, avoid the mobile dislocation of explosion proof door, it is easy to operate.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of explosion-proof door locking device for coal mine air-shaft structural schematic diagram；
Fig. 2 be the utility model proposes a kind of explosion-proof door locking device for coal mine air-shaft explosion proof door top view；
Fig. 3 be the utility model proposes a kind of explosion-proof door locking device for coal mine air-shaft anti-explosion door structure schematic diagram；
Fig. 4 be the utility model proposes a kind of explosion-proof door locking device for coal mine air-shaft A at schematic enlarged-scale view.
In figure: 1 installation base, 2 explosion proof doors, 3 drawstrings, 4 support plates, 5 mounting plates, 6 pulleys, 7 load-carrying blocks, 8 support rods, 9
Pressing plate, 10 inserted links, 11 blocks, 12 fixed plates, 13 second sleeves, 14 push rods, 15 bottom plates, 16 gag lever posts, 17 first springs, 18
Second spring, 19 first openings, 20 first sleeves, 21 second openings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of explosion-proof door locking device for coal mine air-shaft, including installation base 1, installation base 1 are equipped with first
Opening 19 facilitates installation explosion proof door 2, and explosion proof door 2 is equipped at the first opening 19, and the upper end of installation base 1 is equipped with hoisting device,
The upper end of installation base 1 is respectively fixed with four bottom plates 15 for one week, and the upper end side of bottom plate 15 is fixed with fixed plate 12, fixed
One end of plate 12 is rotatably connected to pressing plate 9, plays the role of locking explosion proof door 2, rubber layer is coated on pressing plate 9, increases friction
Power, and explosion proof door 2 is protected not to be damaged, the lower end side of pressing plate 9 are contradicted in the upper end side of explosion proof door 2, bottom plate 15 it is upper
End is fixed with first sleeve 20, and the lower end of pressing plate 9 is rotatably connected to second sleeve 13, runs through on one end side wall of first sleeve 20
Equipped with gag lever post 16, one end of gag lever post 16 is extended in first sleeve 20, and the other end of gag lever post 16 runs through second sleeve 13
One end and extend in second sleeve 13, gag lever post 16, which facilitates, drives second sleeve 13 mobile, is pressed with dynamic pressure plate 9
Tightly, the both ends of gag lever post 16 are respectively and fixedly provided with block 11, and the bottom in second sleeve 13 is fixed, and there are two the first springs 17, play
The effect of bumper and absorbing shock, one end of two the first springs 17 are fixed on the block 11 in second sleeve 13, gag lever post 16
One end in first sleeve 20 is arranged with second spring 18, and pressing plate 9 is protected not to be destroyed, and the opening of explosion proof door 2 is avoided to cause
Impact, has the function of buffering decompression, and fixed plate 12 is equipped with the second opening 21, limiting device, solution are equipped at the second opening 21
Explosion proof door 2 of having determined is inconvenient to the problem of locking, and facilitates manual compression.
In the utility model, limiting device includes the push rod 14 for being mounted on 16 side of gag lever post, and push rod 14 is equipped with anti-skidding
Line, one end of push rod 14 is through the second opening 21 and extends to the side of fixed plate 12, and push rod 14 is equipped with limit hole, and second
Opening 21 is equipped with through-hole, runs through in through-hole and is equipped with inserted link 10, and one end of inserted link 10 extends in limit hole, plays fixed work
With explosion proof door 2 is locked in guarantee.
In the utility model, hoisting device includes being fixed on installation 1 upper end of base, one week four support rod 8, support rod 8
Upper end two sides be respectively and fixedly provided with support plate 4, one end of two support plates 4 is separately fixed at the lower end two sides of mounting plate 5, plays
Stablize the effect of support, the upper end of support rod 8 is fixed with mounting plate 5, and the lower end side of mounting plate 5 is installed there are two pulley 6,
Drawstring 3 is wound on two pulleys 6 jointly, one end of drawstring 3 is fixed with load-carrying block 7, and the other end of drawstring 3 is fixed on explosion proof door
On 2, solving the problems, such as that explosion proof door 2 is overweight is inconvenient to move, and has achieved the purpose that facilitate adjusting 2 position of explosion proof door.
In the utility model, in use, then user can be utilized by the way that explosion proof door 2 to be mounted in installation base 1
One week load-carrying block 7 pulls drawstring 3 to determine the stabilization of 2 position of explosion proof door, when needing mobile, can exert a force simultaneously to carry out
It is mobile, dislocation when explosion proof door 2 is rushed to open is also avoided, when needing inverted ventilation, needs to compress explosion proof door 2, by by one
Then the push rod 14 in week, which presses down, drives gag lever post 16 mobile, play the role of damping, buffering using the first spring 17, then band
Dynamic second sleeve 13 moves down, and band dynamic pressure plate 9 compresses explosion proof door 2, is then fixed push rod 14 using inserted link 10, into
Row stablizes inverted ventilation, protects human-body safety, and second spring 18 can play the role of buffering decompression when explosion proof door is opened, and prevent
The impact of explosion proof door 2 causes the damage of device.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of explosion-proof door locking device for coal mine air-shaft, including installation base (1), it is characterised in that: set on the installation base (1)
Have the first opening (19), be equipped with explosion proof door (2) at first opening (19), the upper end of installation base (1), which is equipped with, hangs
The upper end of lifting device, installation base (1) is respectively fixed with four bottom plates (15), the upper end side of the bottom plate (15) for one week
It is fixed with fixed plate (12), one end of the fixed plate (12) is rotatably connected to pressing plate (9), the lower end side of the pressing plate (9)
It contradicts in the upper end side of explosion proof door (2), the upper end of the bottom plate (15) is fixed with first sleeve (20), the pressing plate (9)
Lower end is rotatably connected to second sleeve (13), through equipped with gag lever post (16), institute on one end side wall of the first sleeve (20)
The one end for stating gag lever post (16) extends in first sleeve (20), and the other end of the gag lever post (16) runs through second sleeve (13)
One end and extend in second sleeve (13), the both ends of the gag lever post (16) are respectively and fixedly provided with block (11), described second set
There are two the first spring (17) for bottom fixation in cylinder (13), and one end of two the first springs (17) is fixed on positioned at second sleeve
(13) on the block (11) in, the gag lever post (16) is located at one end in first sleeve (20) and is arranged with second spring (18),
The fixed plate (12) is equipped with the second opening (21), is equipped with limiting device at second opening (21).
2. a kind of explosion-proof door locking device for coal mine air-shaft according to claim 1, which is characterized in that the limiting device includes
It is mounted on the push rod (14) of gag lever post (16) side, one end of the push rod (14) through the second opening (21) and extends to fixation
The side of plate (12), the push rod (14) are equipped with limit hole, and second opening (21) is equipped with through-hole, passes through in the through-hole
It is equipped with inserted link (10), one end of the inserted link (10) extends in limit hole.
3. a kind of explosion-proof door locking device for coal mine air-shaft according to claim 1, which is characterized in that the hoisting device includes
Installation one week four support rod (8) in base (1) upper end are fixed on, the upper end of the support rod (8) is fixed with mounting plate (5),
There are two the lower end side installations of the mounting plate (5) pulley (6), is wound with jointly drawstring (3) on two pulleys (6), described
One end of drawstring (3) is fixed with load-carrying block (7), and the other end of the drawstring (3) is fixed on explosion proof door (2).
4. a kind of explosion-proof door locking device for coal mine air-shaft according to claim 3, which is characterized in that the support rod (8)
Upper end two sides are respectively and fixedly provided with support plate (4), and one end of two support plates (4) is separately fixed at the lower end two sides of mounting plate (5).
5. a kind of explosion-proof door locking device for coal mine air-shaft according to claim 2, which is characterized in that set on the push rod (14)
There is anti-skid chequer.
6. a kind of explosion-proof door locking device for coal mine air-shaft according to claim 1, which is characterized in that wrapped on the pressing plate (9)
It is covered with rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097082.2U CN209212279U (en) | 2018-12-14 | 2018-12-14 | A kind of explosion-proof door locking device for coal mine air-shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097082.2U CN209212279U (en) | 2018-12-14 | 2018-12-14 | A kind of explosion-proof door locking device for coal mine air-shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212279U true CN209212279U (en) | 2019-08-06 |
Family
ID=67464443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822097082.2U Expired - Fee Related CN209212279U (en) | 2018-12-14 | 2018-12-14 | A kind of explosion-proof door locking device for coal mine air-shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-12-14 CN CN201822097082.2U patent/CN209212279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20191214 |