CN204552797U - A kind of mining telescopic pressure-bearing air door - Google Patents
A kind of mining telescopic pressure-bearing air door Download PDFInfo
- Publication number
- CN204552797U CN204552797U CN201520220862.5U CN201520220862U CN204552797U CN 204552797 U CN204552797 U CN 204552797U CN 201520220862 U CN201520220862 U CN 201520220862U CN 204552797 U CN204552797 U CN 204552797U
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- doorframe
- air door
- offset plate
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- scalable
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Abstract
The utility model discloses a kind of mining telescopic pressure-bearing air door, comprise the compressible fire-retardant offset plate be fixed on top and both sides country rock, doorframe is arranged at the inner side surrounding of compressible fire-retardant offset plate, and two sides doorframe installs two fan door-plates by hinge; The top of two sides doorframe and the two ends of bottom doorframe connect the scalable doorframe for playing pressure-bearing effect when surrouding rock deformation respectively.The utility model is applicable in the larger tunnel of colliery distortion, have employed high strong spring and compressible fire-retardant offset plate as the compressible bearing structure of air door, this Novel air door is by scalable doorframe, door-plate, compressible fire-retardant offset plate and spring fixed dam, high strong spring, doorframe postive stop baffle forms, the feature that original air door keeps out the wind can not only be realized, but also can play and allow pressure and be suitable for surrounding rock distortion and the function stretched up and down in left and right, be applied in the larger tunnel of deflection, can adapt with deformation of the surrounding rock in tunnel all the time, decrease inleakage, be conducive to the safe and efficient back production of mine.
Description
Technical field
The utility model relates to a kind of mining telescopic pressure-bearing air door.
Background technology
Along with continuing to increase of coal mining intensity, coal mining is inexorable trend to deep development.Along with the increase of the degree of depth, strata behaviors becomes more violent, both sides, tunnel and roof and floor deflection larger, some common air doors are caused to deform, destroy, there is the phenomenon of leaking out in a large number, and then lose its gear wind action, make coal mining produce huge potential safety hazard, too increase manual maintenance's cost of coal mining enterprise simultaneously, bring serious impact to the safe and efficient back production in colliery.Current Underground Mine air door major part is only the simple common air door of structure, cannot realize stretching.For the mine of high-ground stress, geological conditions more complicated, tunnel roof and floor and both sides deflection are comparatively large, and this just requires that air door has pressure-bearing retractility in the horizontal and vertical directions, thisly can just achieve this function by the flexible up and down pressure-bearing air door in left and right.
Utility model content
The purpose of this utility model is to solve the incompressible problem of existing mine air door in the tunnel that rock deformation is larger, a kind of mining telescopic pressure-bearing air door is provided, this air door have employed high strong spring and compressible fire-retardant offset plate as compressible bearing structure, the feature that original air door keeps out the wind can not only be realized, but also can play and allow pressure and be suitable for surrounding rock distortion and the function stretched up and down in left and right, can be widely used among the larger roadway of mine laneway deflection.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of mining telescopic pressure-bearing air door, comprise the compressible fire-retardant offset plate be fixed on top and both sides country rock, doorframe is arranged at the inner side surrounding of compressible fire-retardant offset plate, and two sides doorframe installs two fan door-plates by hinge; The top of two sides doorframe and the two ends of bottom doorframe connect the scalable doorframe for playing pressure-bearing effect when surrouding rock deformation respectively.
The top of described two sides doorframe and the two ends of bottom doorframe are provided with spring, and one end of spring is fixedly connected with doorframe, and the other end is connected with the scalable doorframe of relevant position.
Described scalable doorframe is fixed on the rock outside compressible fire-retardant offset plate, and is extend into inside compressible fire-retardant offset plate by the through hole that compressible fire-retardant offset plate is offered.
Described bottom doorframe is provided with the doorframe limiting plate that position-limiting action prevents doorframe from mutually departing from.
Described scalable doorframe comprises two steel pipes linked together by spring, can be free to slide between two steel pipes.
Compared with prior art, the utility model has following beneficial effect:
The utility model adopts scalable doorframe, scalable fire-retardant offset plate and door-plate, when country rock is under effect of stress, both sides, tunnel and roof and floor deform and act on air door, the now compressible fire-retardant offset plate generation elastic deformation in both sides and top, simultaneously each door board corner place all installs one with the scalable doorframe of fixing spring, high strong spring is subject to the acting in conjunction of fixed dam and doorframe postive stop baffle and freely extends, now both play the effect allowing and press to country rock, thus prevent air door from because of compression, damaged deformation occurring.
Further, being provided with postive stop baffle in the utility model doorframe prevents doorframe from mutually departing from.
Further, the utility model is in order to increase the scalability of spring, under the stress of spring is in pulling force effect all the time, two steel pipes can be free to slide each other in allowed band, realize pressurized with this to shorten, ensure to compress compressible fire-retardant offset plate with certain counter-force, minimizing is leaked out simultaneously.
Further, the scalable doorframe of the utility model only installs Collapsible structure at doorframe two ends, bottom and doorframe upper end, left and right, steps up the telescopic rod be parallel to each other, cause telescopic rod cannot realize stretching when preventing both sides, tunnel to be out of shape serious in the vertical direction.
Further, the compressible fire-retardant offset plate both sides of the utility model are separately fixed on doorframe and both sides, tunnel, can ensure the sealing between both sides, tunnel and doorframe, prevent from leaking out.
Accompanying drawing explanation
Fig. 1 is plane structure schematic diagram of the present utility model.
In figure: 1; Doorframe; 2; Hinge; 3; Scalable doorframe; 4; Door-plate; 5; Compressible fire-retardant offset plate; 6; Spring fixed dam; 7; High strong spring; 8; Doorframe postive stop baffle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in more detail.
See Fig. 1, the utility model comprises the compressible fire-retardant offset plate (5) be fixed on top and both sides country rock, and doorframe is arranged at the inner side surrounding of compressible fire-retardant offset plate 5, and two sides doorframe 1 installs two fan door-plates 4 by hinge 2; The top of two sides doorframe 1 and the two ends of bottom doorframe connect the scalable doorframe 3 for playing pressure-bearing effect when surrouding rock deformation respectively.The top of two sides doorframe 1 and the two ends of bottom doorframe are provided with spring 7, and one end of spring 7 is fixedly connected with doorframe, and the other end is connected with the scalable doorframe 3 of relevant position.Scalable doorframe 3 is fixed on the rock outside compressible fire-retardant offset plate 5, and is extend into inside compressible fire-retardant offset plate 5 by the through hole that compressible fire-retardant offset plate 5 is offered.Bottom doorframe is provided with the doorframe limiting plate 8 that position-limiting action prevents doorframe from mutually departing from.Scalable doorframe 3 comprises two steel pipes linked together by spring, can be free to slide between two steel pipes.
The compressible fire-retardant offset plate 5 of the utility model is fixed on country rock, is connected with doorframe 1 with scalable doorframe 3 simultaneously, and doorframe is connected together by hinge 2 and door-plate 4; Scalable doorframe 3 can move freely in space between doorframe postive stop baffle 8 and spring fixed dam 6.When surrouding rock deformation, except compressible fire-retardant offset plate 5 deforms, all there is stretcher strain in surrounding edge height strong spring 7, thus make air door reach the effect of flexible pressure-bearing under the effect of scalable doorframe 3, preventing door-plate 4 from deforming due to extruding, there is the phenomenon of leaking out in a large number in air door.
The utility model general structure mainly comprises scalable doorframe, scalable fire-retardant offset plate and door-plate, the steel pipe that scalable doorframe is linked together by spring primarily of two and the spring composition connecting them, being provided with postive stop baffle in doorframe prevents doorframe from mutually departing from, in order to increase the scalability of spring, under the stress of spring is in pulling force effect all the time, two steel pipes can be free to slide each other in allowed band, realize pressurized with this to shorten, ensure to compress compressible fire-retardant offset plate with certain counter-force, minimizing is leaked out simultaneously.Compressible fire-retardant offset plate both sides are separately fixed on doorframe and both sides, tunnel, can ensure the sealing between both sides, tunnel and doorframe, prevent from leaking out.Scalable doorframe, can adapt to the distortion on tunnel roof and floor and both sides voluntarily under action of underground, ensures to compress compressible fire-retardant offset plate with certain counter-force simultaneously, improves the sealing performance of air door.In order to increase its scalability, the spring both connecting being in tension state all the time under action of underground, and ensure that spring has enough counter-forces.Scalable doorframe only installs telescopic rod at doorframe two ends, bottom and doorframe upper end, left and right, and respectively four telescopic rod one end are fixed on both sides, tunnel and roof and floor, drift section China and foreign countries are fixed on by four scalable beams at guarantee air door, step up the telescopic rod be parallel to each other when both sides, tunnel can be prevented to be out of shape serious in the vertical direction, cause telescopic rod cannot realize stretching.
Above content is only and technological thought of the present utility model is described; protection domain of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, within the protection domain all falling into the utility model claims.
Claims (5)
1. a mining telescopic pressure-bearing air door, it is characterized in that: comprise the compressible fire-retardant offset plate (5) be fixed on top and both sides country rock, doorframe is arranged at the inner side surrounding of compressible fire-retardant offset plate (5), and two sides doorframe (1) installs two fans door-plate (4) by hinge (2); The top of two sides doorframe (1) and the two ends of bottom doorframe connect the scalable doorframe (3) for playing pressure-bearing effect when surrouding rock deformation respectively.
2. mining telescopic pressure-bearing air door according to claim 1, it is characterized in that: the top of described two sides doorframe (1) and the two ends of bottom doorframe are provided with spring (7), one end of spring (7) is fixedly connected with doorframe, and the other end is connected with the scalable doorframe (3) of relevant position.
3. want the mining telescopic pressure-bearing air door described in 1 or 2 according to right, it is characterized in that: described scalable doorframe (3) is fixed on the rock in compressible fire-retardant offset plate (5) outside, and extend into compressible fire-retardant offset plate (5) inner side by the through hole that compressible fire-retardant offset plate (5) is offered.
4. mining telescopic pressure-bearing air door according to claim 3, is characterized in that: described bottom doorframe has been provided with the doorframe limiting plate (8) that position-limiting action prevents doorframe from mutually departing from.
5. mining telescopic pressure-bearing air door according to claim 3, is characterized in that: described scalable doorframe (3) comprises two steel pipes linked together by spring, can be free to slide between two steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220862.5U CN204552797U (en) | 2015-04-13 | 2015-04-13 | A kind of mining telescopic pressure-bearing air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220862.5U CN204552797U (en) | 2015-04-13 | 2015-04-13 | A kind of mining telescopic pressure-bearing air door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204552797U true CN204552797U (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520220862.5U Expired - Fee Related CN204552797U (en) | 2015-04-13 | 2015-04-13 | A kind of mining telescopic pressure-bearing air door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204552797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339039A (en) * | 2021-06-30 | 2021-09-03 | 贵州大学 | Laborsaving air door switching device in pit |
| CN116076908A (en) * | 2023-04-05 | 2023-05-09 | 安徽艾宁机电设备有限公司 | Steam box |
-
2015
- 2015-04-13 CN CN201520220862.5U patent/CN204552797U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339039A (en) * | 2021-06-30 | 2021-09-03 | 贵州大学 | Laborsaving air door switching device in pit |
| CN113339039B (en) * | 2021-06-30 | 2023-04-25 | 贵州大学 | Labor-saving underground air door switching device |
| CN116076908A (en) * | 2023-04-05 | 2023-05-09 | 安徽艾宁机电设备有限公司 | Steam box |
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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: 20150812 Termination date: 20160413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |