CN204283473U - A kind of new type mining Antiexplosive manhole cover - Google Patents
A kind of new type mining Antiexplosive manhole cover Download PDFInfo
- Publication number
- CN204283473U CN204283473U CN201420313724.7U CN201420313724U CN204283473U CN 204283473 U CN204283473 U CN 204283473U CN 201420313724 U CN201420313724 U CN 201420313724U CN 204283473 U CN204283473 U CN 204283473U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- well lid
- lid cover
- well
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a kind of new type mining Antiexplosive manhole cover, comprise the first well lid cover plate and the second well lid cover plate, the below of the first well lid cover plate and the second well lid cover plate is provided with two pieces and supports body of wall, these two pieces support the both sides that body of wall is arranged in parallel in well head, first well lid cover plate is overlapped on two pieces of same sides supporting body of wall, second well lid cover plate is overlapped on two pieces of another sides supporting body of wall, the bottom of the first well lid cover plate and the second well lid cover plate is rotatably connected on well head respectively by bearing one, first well lid cover plate contacts with the top of the second well lid cover plate, the first back-moving spring is provided with between the first well lid cover plate and well head, the second back-moving spring is provided with between the second well lid cover plate and well head.The utility model mine anti-explosion well lid can discharge explosion energy in time, protection blower fan not damage by the shock wave of gas accident; Can reset in time under the screen resilience effect of back-moving spring after Antiexplosive manhole cover shock wave, to ensure that mine ventilation system is reliable and stable.
Description
Technical field
The utility model relates to a kind of new type mining Antiexplosive manhole cover.
Background technology
Present coal mine return air vertical generally uses hat type Explosion-proof cap, and the airtight cap of its construction comprise circular, counter-balanced carriage, balancing weight, liquid airproof groove and sealing fluid form, and entirety is a round cap being buckled on vertical shaft head.When gas explosion accident occurs in down-hole, Explosion-proof cap can discharge the shock wave energy of blast in time; During back lass, Antiexplosive manhole cover can be fixed in time, carries out back lass.
But existing Antiexplosive manhole cover is owing to can not avoid the frontal energy of shock wave, easily damage by powerful impact air-flow, or fly away from well head, well lid is difficult to return to original position in time, cause ventilation system to recover more difficult, cannot ensure that the ventilation of mine is reliable and stable.If well lid flies away from original position or distortion, then need to employ crane and just can complete the work recovering well lid, cause major safety risks to recovery mine ventilation system immediately; And, when back lass, fixing more difficult.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of new type mining Antiexplosive manhole cover.
The technical solution that the utility model adopts is:
A kind of new type mining Antiexplosive manhole cover, comprise the first well lid cover plate and the second well lid cover plate, the below of the first well lid cover plate and the second well lid cover plate is provided with two pieces and supports body of wall, the shape supporting body of wall is triangle, these two pieces support the both sides that body of wall is arranged in parallel in well head, first well lid cover plate is overlapped on two pieces of same sides supporting body of wall, second well lid cover plate is overlapped on two pieces of another sides supporting body of wall, the bottom of the first well lid cover plate is rotatably connected on well head by bearing one, the bottom of the second well lid cover plate is rotatably connected on well head by another bearing one, first well lid cover plate contacts with the top of the second well lid cover plate, the first back-moving spring is provided with between the first well lid cover plate and well head, the second back-moving spring is provided with between the second well lid cover plate and well head.
Preferably, control still the inverted ventilation of close contact can be fixed in the top that described mine anti-explosion well lid also comprises the top and the second well lid cover plate controlling the first well lid cover plate under inverted ventilation condition, described inverted ventilation is fixed control and is comprised connecting rod, the bottom of connecting rod is rotationally connected by bearing two and well head, the top of connecting rod is connected with the first branch and the second branch, first branch is flexibly connected with the first well lid cover plate, and the second branch is flexibly connected with the second well lid cover plate.
Preferably, be all connected by snap close between described first branch with the first well lid cover plate, between the second branch with the second well lid cover plate.
Preferably, between the first well lid cover plate and the second well lid cover plate, be provided with sealing subtract and rush rubber pad.
Preferably, at well head, place is also provided with gag lever post, and gag lever post is made up of Steel material, and outer cover has protecting against shock rubber sleeve.
Advantageous Effects of the present utility model is:
(1) the utility model mine anti-explosion well lid can discharge explosion energy in time, protection blower fan not damage by the shock wave of gas accident; Can reset in time under the screen resilience effect of back-moving spring after Antiexplosive manhole cover shock wave, to ensure that mine ventilation system is reliable and stable;
(2) the utility model mine anti-explosion well lid fixes by inverted ventilation that control is airtight is fixed on well head, has good sealing, when down-hole breaking out of fire accident, can fix well lid in time, easily, implements inverted ventilation function;
(3) the utility model mine anti-explosion manhole cover structure is simple, light, is convenient to install.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
Fig. 1 is structural principle schematic diagram of the present utility model;
Fig. 2 is the structural representation of snap close;
Fig. 3 is top view of the present utility model.
In figure: 1-first well lid cover plate, 2-second well lid cover plate, 3-supports body of wall, 4-well head, 5-bearing one, 6-first sealing subtracts rushes rubber pad, 7-first back-moving spring, 8-second back-moving spring, 9-inverted ventilation fixes control, 901-connecting rod, 902-first branch, 903-second branch, 10-bearing two, 11-snap close, 12-gag lever post, 13-second sealing subtracts rushes rubber pad.
Detailed description of the invention
By reference to the accompanying drawings, a kind of new type mining Antiexplosive manhole cover, comprise the first well lid cover plate 1 and the second well lid cover plate 2, the below of the first well lid cover plate 1 and the second well lid cover plate 2 is provided with two pieces and supports body of wall 3, the shape supporting body of wall 3 is triangle, and these two pieces support the both sides that body of wall 3 is arranged in parallel in well head 4.First well lid cover plate 1 is overlapped on two pieces of limits, left side supporting body of wall, second well lid cover plate 2 is overlapped in two pieces of right edge supporting body of wall, the bottom of the first well lid cover plate 1 is rotatably connected on well head by bearing 1, the bottom of the second well lid cover plate 2 is rotatably connected on well head by another bearing 1, first well lid cover plate 1 contacts with the top of the second well lid cover plate 2, between contact surface, be provided with the first sealing subtract and rush rubber pad 6, to strengthen sealing effectiveness.Between the first well lid cover plate 1 and well head, be provided with the first back-moving spring 7, between the second well lid cover plate 2 and well head, be provided with the second back-moving spring 8.
As to further improvement of the utility model, above-mentioned mine anti-explosion well lid also comprises inverted ventilation and fixes control 9, and the top in order to the top and the second well lid cover plate 2 that control the first well lid cover plate 1 still can close contact under inverted ventilation condition.Inverted ventilation is fixed control 9 and is comprised connecting rod 901, the bottom of connecting rod 901 is rotationally connected by bearing 2 10 and well head, the top of connecting rod 901 is connected with the first branch 902 and the second branch 903, connecting rod 901 with the first branch 903 of branch 902, second for integral type is connected, all by snap close 11 loose joint between the first branch 902 and the first well lid cover plate 1, between the second branch 903 and the second well lid cover plate 2.
Further, be also provided with gag lever post 12 at well head place, gag lever post 12 is made up of Steel material, and outer cover has protecting against shock rubber sleeve.Gag lever post 12 point two arrangement is put, lay respectively at the both sides of well head, row's gag lever post wherein on the left of well head is used for playing position-limiting action to the first well lid cover plate 1, another row's gag lever post on the right side of well head is used for playing position-limiting action to the second well lid cover plate 2, and two row's gag lever posts are respectively for preventing corresponding well lid cover plate from occurring the situation that flip angle is excessive.
Further, support the first well lid cover plate 1, second well lid cover plate 2 and two pieces and to be provided with the second sealing between body of wall 3 and to subtract and rush rubber pad 13, the second sealing subtracts rushes rubber pad 13 and can play cushioning effect when sealing function and the first well lid cover plate and the second well lid cover plate reset.
The course of work of the present utility model is roughly as follows:
Under normal condition, the first well lid cover plate 1 and the second well lid cover plate 2 are all overlapped on and support on body of wall 3, and when blasting in well, the first well lid cover plate 1 and the second well lid cover plate 2 are raised under shock wave, in time release well implode energy.After fault offset completes, the first well lid cover plate 1 and the second well lid cover plate 2 reset respectively under the effect of the first back-moving spring 7 and the second back-moving spring 8.When needs back lass, need first inverted ventilation to be fixed control 9 to be fixedly connected with by snap close 11 with the first well lid cover plate 1, second well lid cover plate 2 respectively, now the first well lid cover plate 1, second well lid cover plate 2 close contact, and with supporting body of wall 3 together by wellhead sealing, can inverted ventilation operation be carried out.
The part do not addressed in aforesaid way is taked or uses for reference prior art to realize.
It should be noted that, under the instruction of this manual, any equivalents done by those skilled in the art, or obvious variant, all should within protection domain of the present utility model.
Claims (4)
1. a new type mining Antiexplosive manhole cover, it is characterized in that: comprise the first well lid cover plate and the second well lid cover plate, the below of the first well lid cover plate and the second well lid cover plate is provided with two pieces and supports body of wall, the shape supporting body of wall is triangle, these two pieces support the both sides that body of wall is arranged in parallel in well head, first well lid cover plate is overlapped on two pieces of same sides supporting body of wall, second well lid cover plate is overlapped on two pieces of another sides supporting body of wall, the bottom of the first well lid cover plate is rotatably connected on well head by bearing one, the bottom of the second well lid cover plate is rotatably connected on well head by another bearing one, first well lid cover plate contacts with the top of the second well lid cover plate, the first back-moving spring is provided with between the first well lid cover plate and well head, the second back-moving spring is provided with between the second well lid cover plate and well head, control still the inverted ventilation of close contact can be fixed in the top also comprising the top and the second well lid cover plate controlling the first well lid cover plate under inverted ventilation condition, described inverted ventilation is fixed control and is comprised connecting rod, the bottom of connecting rod is rotationally connected by bearing two and well head, the top of connecting rod is connected with the first branch and the second branch, first branch is flexibly connected with the first well lid cover plate, and the second branch is flexibly connected with the second well lid cover plate.
2. a kind of new type mining Antiexplosive manhole cover according to claim 1, be is characterized in that: be all connected by snap close between described first branch with the first well lid cover plate, between the second branch with the second well lid cover plate.
3. a kind of new type mining Antiexplosive manhole cover according to claim 1, is characterized in that: between the first well lid cover plate and the second well lid cover plate, be provided with sealing subtract and rush rubber pad.
4. a kind of new type mining Antiexplosive manhole cover according to claim 1, it is characterized in that: at well head, place is also provided with gag lever post, gag lever post is made up of Steel material, and outer cover has protecting against shock rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313724.7U CN204283473U (en) | 2014-06-13 | 2014-06-13 | A kind of new type mining Antiexplosive manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313724.7U CN204283473U (en) | 2014-06-13 | 2014-06-13 | A kind of new type mining Antiexplosive manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283473U true CN204283473U (en) | 2015-04-22 |
Family
ID=52866645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420313724.7U Expired - Fee Related CN204283473U (en) | 2014-06-13 | 2014-06-13 | A kind of new type mining Antiexplosive manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604598A (en) * | 2016-03-21 | 2016-05-25 | 华北理工大学 | Anti-explosion well lid device used for mine ventilation |
| CN105840823A (en) * | 2016-05-16 | 2016-08-10 | 江苏久维压力容器制造有限公司 | Vertical-type pressure container |
| CN106759507A (en) * | 2016-12-15 | 2017-05-31 | 南京恒威防护设备有限公司 | A kind of intelligently realizing explosion-proof and venting of dust explosion cover plate assembly that people's air defense design is taken into account for piping lane |
-
2014
- 2014-06-13 CN CN201420313724.7U patent/CN204283473U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604598A (en) * | 2016-03-21 | 2016-05-25 | 华北理工大学 | Anti-explosion well lid device used for mine ventilation |
| CN105840823A (en) * | 2016-05-16 | 2016-08-10 | 江苏久维压力容器制造有限公司 | Vertical-type pressure container |
| CN105840823B (en) * | 2016-05-16 | 2018-06-19 | 江苏久维压力容器制造有限公司 | A kind of vertical pressure vessel |
| CN106759507A (en) * | 2016-12-15 | 2017-05-31 | 南京恒威防护设备有限公司 | A kind of intelligently realizing explosion-proof and venting of dust explosion cover plate assembly that people's air defense design is taken into account for piping lane |
| CN106759507B (en) * | 2016-12-15 | 2019-04-23 | 南京恒威防护设备有限公司 | A kind of intelligently realizing explosion-proof and venting of dust explosion cover plate assembly for taking into account people's air defense design for piping lane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204283473U (en) | A kind of new type mining Antiexplosive manhole cover | |
| CN207265511U (en) | Electromagnetism opens aeration type rain-proof electric power cabinet | |
| CN204199729U (en) | Steel structure protective screening on a kind of building operations frame | |
| CN205172635U (en) | Shaft is from compound explosion vent | |
| CN108810222A (en) | A kind of mobile phone with dust-proof shock-absorbing function | |
| CN203669910U (en) | Anti-explosion well lid | |
| CN204352421U (en) | Portable fire prevention sandbox | |
| CN202731965U (en) | Controllable pressure relief wind tube | |
| CN206961457U (en) | A kind of outdoor LED display screen | |
| CN205830420U (en) | Anticollision hay mover | |
| CN202866584U (en) | Magnetic preload type automatic opening and closing explosion door | |
| CN207122580U (en) | A kind of water proof and dust proof seal assembly and pivoting support | |
| CN104154378A (en) | Water hammer arrestor aid | |
| CN204311941U (en) | A kind of cave body protective door of taking refuge with auxiliary door | |
| CN203476379U (en) | Automatic return trigger mechanism of spare explosion-proof manhole cover of mine air shaft | |
| CN210484166U (en) | Wear-proof fan structure for air source heat pump | |
| CN204258351U (en) | A kind of electric vehicle quick charge stake | |
| CN202431293U (en) | Portable explosion-proof shaft cover for coal mine return-air vertical shaft | |
| CN106677822B (en) | A kind of rock drift blasting is anti-to collapse device | |
| CN202273698U (en) | Mine side-turning explosion-proof cover for return air shafts | |
| CN204568047U (en) | A kind of vent window closing appliance | |
| CN213397844U (en) | Comprehensive sampling device for environmental air particulate matters | |
| CN219530679U (en) | Tripod head lighting device | |
| CN204609924U (en) | A kind of mine anti-explosion well lid adjusting device | |
| CN204571480U (en) | Building operations is with swinging wind-proof type protective guard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150422 Termination date: 20160613 |