CN211081946U - Shutter device after opening of underground air door - Google Patents
Shutter device after opening of underground air door Download PDFInfo
- Publication number
- CN211081946U CN211081946U CN201921822507.XU CN201921822507U CN211081946U CN 211081946 U CN211081946 U CN 211081946U CN 201921822507 U CN201921822507 U CN 201921822507U CN 211081946 U CN211081946 U CN 211081946U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- air door
- shaft sleeve
- axle sleeve
- deformed
- 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.)
- Active
Links
Images
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model discloses a shutter device after air door is opened in pit, which comprises an axle sleeve, axle sleeve fixed mounting is in the bottom of shutter, the inboard swing joint of axle sleeve has the blocking connecting rod, the outside fixedly connected with dead lever of axle sleeve, block the outside of connecting rod and install lock nut. This door stopping device after air door opens in pit, in the use, stop the connecting rod through rotating and stop and release the air door can, can be fixed with the air door leaf after opening, ensure that safety such as vehicle passes through, wholly draw materials portably, simple structure compares with other fixing device, can be safe, effectual fix the air door leaf, adapts to often has the air door that interim such as vehicle passes through.
Description
Technical Field
The utility model relates to a mine safety technical field specifically is a shutter device after air door opens in pit.
Background
The mine comprises coal mine, metal mine, non-metal mine, building material mine, chemical mine and the like. Mine size (also known as capacity) is usually expressed in terms of annual or daily production. The annual output is the quantity of ores produced by the mine every year, and in the production process of the mine, the mining operation not only consumes most manpower and material resources and occupies most funds, but also is the production link with the largest potential for reducing the mining cost. The main approach for reducing the excavation cost is to improve the labor productivity and the product quality and reduce the material consumption.
A large number of air doors are arranged in the underground ventilation system management, wherein the air doors comprise horizontal push air doors which are opened in the same direction, and due to the fact that the opening direction is opposite to the air flow direction, when vehicles and the like pass through temporarily, the door leaves are difficult to fix under the action of the air flow, and the problems that the vehicles and the like cannot pass through or the air doors are damaged by collision are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shutter device after air door is opened in pit to having set up a large amount of air doors among the ventilation system management in the pit of proposing among the solution above-mentioned background art, wherein containing the flat push air door of opening to same direction, owing to open direction and wind flow opposite direction, when vehicle etc. temporarily passes through, it is fixed with the door leaf to be difficult to under the wind flow effect, causes the problem that vehicle etc. can not pass through or hit bad air door.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shutter device after air door opens in pit, includes the axle sleeve, axle sleeve fixed mounting is in the bottom of shutter, the inboard swing joint of axle sleeve has the blocking connecting rod, the outside fixedly connected with dead lever of axle sleeve, blocking the outside of connecting rod and installing lock nut.
Preferably, the shaft sleeve is a hollow steel pipe, an internal thread is arranged on the inner side of the shaft sleeve, and the shaft sleeve is welded at the upper side of the fixing rod.
Preferably, the blocking connecting rod is formed by welding three deformed steels, wherein two deformed steels are perpendicular to each other, the two perpendicular deformed steels are connected through welding of the third deformed steel, the two perpendicular deformed steels are ninety degrees different from each other, an external thread is arranged in the middle of the blocking connecting rod, and the shaft sleeve is connected with the blocking connecting rod in a threaded manner.
Preferably, the fixing rod is made of deformed steel bars, and the lower end of the fixing rod is fixed in the roadway bottom plate.
Preferably, the rubber sleeve is fixedly installed on the outer side of the vertical part at the two ends of the blocking connecting rod, and the outer side of the rubber sleeve is provided with an anti-skid convex strip.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the door stop device after the underground air door is opened, in the using process, the air door is stopped and released by rotating the stopping connecting rod, the door leaf of the opened air door can be fixed, and vehicles and the like can be ensured to pass safely;
2. this shutter device after air door opens in pit, whole simple and convenient of drawing materials, simple structure compares with other fixing device, can be safely, effectually fix the air door leaf, adapts to often have the air door that the vehicle etc. passes through temporarily.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the shaft sleeve structure of the present invention;
fig. 3 is a schematic view of the structure of the blocking connecting rod of the present invention.
In the figure: 1. a shaft sleeve; 2. a blocking link; 3. fixing the rod; 4. locking the nut; 5. an internal thread; 6. an external thread; 7. a rubber sleeve; 8. a stop door.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a shutter device after air door opens in pit, includes axle sleeve 1, blocks connecting rod 2, dead lever 3, lock nut 4, internal thread 5, external screw thread 6, gum cover 7 and shutter 8, and 1 fixed mounting of axle sleeve has the inboard swing joint of blocking connecting rod 2 in the bottom of shutter 8, and axle sleeve 1's inboard swing joint has the dead lever 3 of blocking, and lock nut 4 is installed in the outside of blocking connecting rod 2.
Further, axle sleeve 1 is hollow steel pipe, and the inboard of axle sleeve 1 is provided with the internal thread, and axle sleeve 1 welds in dead lever 3 upside position, and the length of axle sleeve 1 is 0.2 m.
Further, block connecting rod 2 and be formed by three screw-thread steel welding, three screw-thread steel's length is 0.22m, wherein two liang of verticalities of two screw-thread steel, two vertically screw-thread steel pass through third screw-thread steel welded connection, and two liang of vertically screw-thread steel become ninety degrees of different faces, block that connecting rod 2 middle part is provided with external screw thread 6, axle sleeve 1 and block connecting rod 2 threaded connection.
Further, the fixing rod 3 is made of deformed steel bar, the lower end of the fixing rod 3 is fixed in a roadway bottom plate, and the length of the fixing rod 3 is 0.25 m.
Furthermore, rubber sleeves 7 are fixedly installed on the outer sides of the vertical portions at the two ends of the blocking connecting rod 2, and anti-skid convex strips are arranged on the outer sides of the rubber sleeves 7.
The working principle is as follows: firstly, a fixing rod 3 with the length of 0.25m is made of deformed steel bar, an operator holds an electric drill to construct a hole with the depth of 0.15m in a roadway bottom plate behind an air door fan, the lower part of the fixing rod 3 is nailed into the hole to be fixed, a shaft sleeve 1 with the length of 0.2m is made of a hollow steel pipe with the diameter larger than that of the deformed steel bar, a blocking connecting rod 2 is made of three deformed steel bars with the length of 0.22m, before the manufacturing, one of the deformed steel bars penetrates through the shaft sleeve 1, the other two deformed steel bars are welded at two ends of the deformed steel bar in the shaft sleeve 1, the deformed steel bars at the two ends are ninety degrees in different surfaces, one end of the shaft sleeve 1 connected with the blocking connecting rod 2 is welded at the upper part of the fixing rod 3, the welding position is clung to the ground, in the using process, the air door is blocked and released by rotating the blocking connecting rod 2, compare with other fixing device, can fix air door leaf safely, effectual, adapt to often have the air door that vehicles etc. passed through temporarily.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a shutter device after air door opens in pit, includes the axle sleeve, its characterized in that: the shaft sleeve is fixedly installed at the bottom of the stop door, the inner side of the shaft sleeve is movably connected with a blocking connecting rod, the outer side of the shaft sleeve is fixedly connected with a fixing rod, and a locking nut is installed on the outer side of the blocking connecting rod.
2. The device of claim 1, wherein the device comprises: the shaft sleeve is a hollow steel pipe, the inner side of the shaft sleeve is provided with internal threads, and the shaft sleeve is welded at the upper side position of the fixed rod.
3. The device of claim 1, wherein the device comprises: the stop connecting rod is formed by welding three deformed steels, wherein two deformed steels are perpendicular to each other, two perpendicular deformed steels are connected through welding a third deformed steel, the two perpendicular deformed steels are ninety degrees different from each other, an external thread is arranged in the middle of the stop connecting rod, and the shaft sleeve is connected with the stop connecting rod in a threaded manner.
4. The device of claim 1, wherein the device comprises: the fixing rod is made of deformed steel bars, and the lower end of the fixing rod is fixed in the roadway bottom plate.
5. The device of claim 1, wherein the device comprises: the outer sides of the vertical parts at the two ends of the blocking connecting rod are fixedly provided with rubber sleeves, and the outer sides of the rubber sleeves are provided with anti-skidding convex strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921822507.XU CN211081946U (en) | 2019-10-28 | 2019-10-28 | Shutter device after opening of underground air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921822507.XU CN211081946U (en) | 2019-10-28 | 2019-10-28 | Shutter device after opening of underground air door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211081946U true CN211081946U (en) | 2020-07-24 |
Family
ID=71641610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921822507.XU Active CN211081946U (en) | 2019-10-28 | 2019-10-28 | Shutter device after opening of underground air door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211081946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846917A (en) * | 2021-09-29 | 2021-12-28 | 煤炭科学技术研究院有限公司 | Door shield |
-
2019
- 2019-10-28 CN CN201921822507.XU patent/CN211081946U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846917A (en) * | 2021-09-29 | 2021-12-28 | 煤炭科学技术研究院有限公司 | Door shield |
| CN113846917B (en) * | 2021-09-29 | 2022-11-29 | 煤炭科学技术研究院有限公司 | Door shield |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211081946U (en) | Shutter device after opening of underground air door | |
| CN203641670U (en) | U-shaped fixing device for pipe hanger | |
| CN207039152U (en) | A kind of simple cable threading apparatus universal wheel | |
| CN203485077U (en) | Wrench | |
| CN205089090U (en) | Waterproof rotatory lock of shelter rack | |
| CN203347256U (en) | Tool type small opening protection device | |
| CN203497902U (en) | Protective door bolt | |
| CN211647409U (en) | Adjustable fast-assembling faces limit guard member | |
| CN210685458U (en) | Turnover type elevator shaft protection barrier device | |
| CN204281006U (en) | Locking construction elevator door gear | |
| CN210599063U (en) | Coal mine stop valve normal unlocking lock | |
| CN209369388U (en) | A kind of self-closing protective door for elevator shaft | |
| CN203769702U (en) | Novel orifice protection device | |
| CN202611743U (en) | Adjustable air brattice for mines | |
| CN217376943U (en) | Construction elevator floor guard gate mounting structure | |
| CN205805490U (en) | Water under high pressure blowout hookup | |
| CN204960659U (en) | Liftable threshold backing plate | |
| CN217518129U (en) | Connecting and fixing device for shear wall outer frame | |
| CN211036751U (en) | Deceleration strip mounting structure | |
| CN215681748U (en) | Drag chain convenient to dress line | |
| CN216811755U (en) | Self-discharging pressure impact-resistant air door | |
| CN207892388U (en) | A kind of coal mine auxiliary shaft cage tank door safety lock | |
| CN204941115U (en) | Service channel safety door quick closure safety lock | |
| CN109236306A (en) | The Safety Redundancy mechanism and its installation method for preventing normal pressure removable cutting tool from falling off | |
| CN215108987U (en) | Air locking duct device for coal mine and pressure equalizing facility provided with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |