CN216588690U - Self-locking device for explosion-proof cover of air return vertical shaft - Google Patents
Self-locking device for explosion-proof cover of air return vertical shaft Download PDFInfo
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- CN216588690U CN216588690U CN202220153721.6U CN202220153721U CN216588690U CN 216588690 U CN216588690 U CN 216588690U CN 202220153721 U CN202220153721 U CN 202220153721U CN 216588690 U CN216588690 U CN 216588690U
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- self
- explosion
- proof cover
- vertical shaft
- base
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
A self-locking device for an air return vertical shaft explosion-proof cover comprises an air return vertical shaft explosion-proof cover arranged in the middle, a convex eave arranged outside the air return vertical shaft explosion-proof cover and a self-locking mechanism, wherein a plurality of self-locking mechanisms are arranged outside the convex eave; self-locking mechanism includes base, fixing bolt and runway groove, and the base passes through expansion bolts to be fixed in the edge of protruding eaves, and the welding of base top near one end position department has concave type piece, and one side symmetry welding of concave type piece has two angle steels, installs the cylinder between concave type piece and the angle steel, and the latch segment is installed to the one end of cylinder, the utility model discloses novel structure, the design is ingenious, is convenient for lock and open the blast proof lid of return air vertical well, and easy dress, easy-to-use, easy maintenance have stopped explosion-proof door and opened, have closed untimely phenomenon, provide reliable guarantee for mine leeward safety, have reduced personal safety risk and workman intensity of labour, have guaranteed that main ventilation blower realizes the leeward in 10 min.
Description
Technical Field
The utility model relates to a self-lock device specifically is a return air vertical explosion-proof cover self-lock device.
Background
According to the requirements of the item [ 122 ] of the coal mine safety regulation, the mine should carry out 1-time headwind exercise every year, but because the mine fan room is far away from the return air vertical shaft, when the mine is against the wind, the explosion-proof cover cannot be locked in time, under the condition, in order to improve the safety performance of equipment and reduce the personal safety risk, a self-locking device of the explosion-proof cover of the return air vertical shaft is urgently needed to be provided for solving the technical problems.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a return air vertical explosion-proof cover self-lock device, the effectual problem of mentioning in the above-mentioned technical background of having solved.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model comprises a return air vertical shaft explosion-proof cover arranged in the middle and a convex eave arranged outside the return air vertical shaft explosion-proof cover, and also comprises a self-locking mechanism, wherein a plurality of self-locking mechanisms are arranged outside the convex eave;
self-locking mechanism includes the base, expansion bolts, the gasket, the through-hole, concave type piece, the angle steel, the cylinder, the latch segment, the connecting block, fixing bolt and runway groove, the edge at protruding eaves is fixed through expansion bolts to the base, the welding of base top near one end position department has concave type piece, one side symmetry welding of concave type piece has two angle steels, install the cylinder between concave type piece and the angle steel, the latch segment is installed to the one end of cylinder, the middle part of latch segment one end is provided with the connecting block of being connected with the cylinder pole, the middle part that the base top is close to the other end has connect fixing bolt soon, fixing bolt has the certain clearance with the latch segment, the runway groove has been seted up to the latch segment corresponding fixing bolt position department.
Preferably, a plurality of reinforcing ribs are welded between the air return vertical shaft explosion-proof cover and the convex eaves.
Preferably, a gasket is sleeved between the expansion bolt and the base.
Preferably, the base is provided with a through hole at a position corresponding to the expansion bolt.
Preferably, 16mm expansion bolts are adopted as the expansion bolts, and 20mm bolts are adopted as the fixing bolts.
Preferably, the base is made of a steel plate with the thickness of 20 mm.
Has the advantages that: the utility model discloses during the installation, pass through expansion bolts with six bases and fix the edge at protruding eaves, install the cylinder again between concave type piece and angle steel, the latch segment is arranged in on the base, it has had fixing bolt soon to be located the base near one end position department in the runway groove, and fixing bolt has certain clearance with the latch segment, the connecting block is connected with the cylinder, when locking return air shaft explosion-proof cover, the cylinder stretches out and promotes the connecting block, the connecting block promotes the latch segment and removes to the left side, make the latch segment remove to the top of protruding eaves, can lock return air shaft explosion-proof cover, when loosening, the cylinder shrink stimulates the connecting block, the connecting block stimulates the latch segment and removes to the right side, break away from the protruding eaves on the return air shaft explosion-proof cover until the latch segment, can loosen the return air shaft explosion-proof cover.
The utility model discloses novel structure, it is ingenious to think about, is convenient for lock and open the explosion-proof lid of return air vertical, easy dress, easy-to-use, easy maintenance have stopped explosion-proof door and opened, close untimely phenomenon, for mine leeward safety provides reliable guarantee, has reduced personal safety risk and workman intensity of labour, has guaranteed that main blower realizes the leeward in 10 min.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the self-locking mechanism of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the locking block of the present invention;
reference numbers in the figures: 1. an explosion-proof cover of the air return vertical shaft; 2. a convex brim; 3. reinforcing ribs; 4. a self-locking mechanism; 401. a base; 402. an expansion bolt; 403. a gasket; 404. a through hole; 405. a concave block; 406. angle steel; 407. a cylinder; 408. a locking block; 409. connecting blocks; 410. fixing the bolt; 411. a runway groove.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying fig. 1-3.
The first embodiment is given by fig. 1-3, the utility model provides a self-locking device for an air return vertical shaft explosion-proof cover, which comprises an air return vertical shaft explosion-proof cover 1 arranged in the middle, a convex eave 2 arranged outside the air return vertical shaft explosion-proof cover 1, and a self-locking mechanism 4, wherein a plurality of self-locking mechanisms 4 are arranged outside the convex eave 2;
self-locking mechanism 4 includes base 401, expansion bolts 402, gasket 403, through-hole 404, concave type piece 405, angle steel 406, cylinder 407, latch segment 408, connecting block 409, fixing bolt 410 and runway groove 411, base 401 passes through expansion bolts 402 to be fixed in the edge of protruding eaves 2, base 401 top is close to one end position department welding and has concave type piece 405, one side symmetry welding of concave type piece 405 has two angle steels 406, install cylinder 407 between concave type piece 405 and the angle steel 406, latch segment 408 is installed to the one end of cylinder 407, the middle part of latch segment 408 one end is provided with the connecting block 409 of being connected with cylinder 407 pole, the middle part that base 401 top is close to the other end has connect fixing bolt 410 soon, fixing bolt 410 has certain clearance with latch segment 408, runner groove 411 has been seted up to the corresponding fixing bolt 410 position department of latch segment 408.
When in specific use: when the utility model is installed, six bases 401 are fixed at the edge of the convex eave 2 through expansion bolts 402, then the cylinder 407 is installed between the concave block 405 and the angle steel 406, the locking block 408 is arranged on the bases 401, the fixing bolt 410 is screwed at the position of the runway groove 411 close to one end of the bases 401, and the fixing bolt 410 has a certain gap with the locking block 408, the connecting block 409 is connected with the cylinder 407, when the air return vertical explosion-proof cover 1 is locked, the cylinder 407 extends out to push the connecting block 409, the connecting block 409 pushes the locking block 408 to move to the left side, so that the locking block 408 moves to the upper side of the convex eave 2, namely, the air return vertical explosion-proof cover 1 can be locked, when the air return vertical explosion-proof cover 1 is loosened, the cylinder 407 contracts to pull the connecting block 409 to move to the right side, until the locking block 408 breaks away from the convex eave 2 on the air return vertical explosion-proof cover 1, the air return vertical shaft explosion-proof cover 1 can be loosened.
Has the advantages that: the utility model discloses novel structure, it is ingenious to think about, is convenient for lock and open air return vertical explosion-proof cover 1, easy dress, easy-to-use, easy maintenance, has stopped explosion-proof door and has opened, close untimely phenomenon, for mine anti-wind safety provides reliable guarantee, has reduced personal safety risk and workman intensity of labour, has guaranteed that main blower realizes the anti-wind in 10 min.
Example two
In the first embodiment, the strength of the protruding eave 2 is insufficient, and referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that a plurality of reinforcing ribs 3 are welded between the air return vertical shaft explosion-proof cover 1 and the protruding eave 2, so that the strength of the protruding eave 2 is improved.
EXAMPLE III
In the first embodiment, the tightness between the expansion bolt 402 and the base 401 is insufficient, and referring to fig. 2, as another preferred embodiment, the difference from the first embodiment is that a gasket 403 is sleeved between the expansion bolt 402 and the base 401, so that the tightness between the expansion bolt 402 and the base 401 is improved.
Example four
Referring to fig. 2, the difference between the first preferred embodiment and the second preferred embodiment is that a through hole 404 is formed in the base 401 at a position corresponding to the expansion bolt 402, so as to facilitate the expansion bolt 402 to fix the base 401.
EXAMPLE five
The expansion bolt 402 in the first embodiment is inconvenient to use, and as another preferred embodiment, the difference from the first embodiment is that the expansion bolt 402 is a 16mm expansion bolt, and the fixing bolt 410 is a 20mm bolt, which facilitates the use of the expansion bolt 402.
EXAMPLE six
The base 401 in the first embodiment is inconvenient to use, and as another preferred embodiment, the difference from the first embodiment is that a 20mm thick steel plate is adopted for the base 401, which facilitates the use of the base 401.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a return air vertical explosion-proof cover self-lock device, includes protruding eaves (2) that the return air vertical explosion-proof cover (1) and return air vertical explosion-proof cover (1) outside that the middle part set up, its characterized in that: the eave structure is characterized by further comprising a self-locking mechanism (4), wherein a plurality of self-locking mechanisms (4) are arranged on the outer side of the eave (2);
the self-locking mechanism (4) comprises a base (401), an expansion bolt (402), a gasket (403), a through hole (404), a concave block (405), angle steel (406), an air cylinder (407), a locking block (408), a connecting block (409), a fixing bolt (410) and a runway groove (411), wherein the base (401) is fixed at the edge of the convex eave (2) through the expansion bolt (402), the concave block (405) is welded at the position close to one end of the top end of the base (401), two angle steels (406) are symmetrically welded at one side of the concave block (405), the air cylinder (407) is installed between the concave block (405) and the angle steel (406), the locking block (408) is installed at one end of the air cylinder (407), the connecting block (409) connected with a rod of the air cylinder (407) is arranged in the middle of one end of the locking block (408), the fixing bolt (410) is screwed at the middle of the top end of the base (401) close to the other end, and a certain gap is reserved between the fixing bolt (410) and the locking block (408), the locking block (408) is provided with a runway groove (411) corresponding to the position of the fixing bolt (410).
2. A self-locking device for an explosion-proof cover of a return air vertical shaft as claimed in claim 1, wherein a plurality of reinforcing ribs (3) are welded between the explosion-proof cover (1) and the convex eaves (2).
3. The self-locking device for the explosion-proof cover of the return air vertical shaft is characterized in that a gasket (403) is sleeved between the expansion bolt (402) and the base (401).
4. The self-locking device for the explosion-proof cover of the return air vertical shaft is characterized in that a through hole (404) is formed in the position, corresponding to the expansion bolt (402), of the base (401).
5. A self-locking device for an explosion-proof cover of a return air vertical shaft as claimed in claim 1, wherein the expansion bolt (402) is a 16mm expansion bolt, and the fixing bolt (410) is a 20mm bolt.
6. A self-locking device for an explosion-proof cover of a return air vertical shaft as claimed in claim 1, wherein the base (401) is made of a steel plate with the thickness of 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220153721.6U CN216588690U (en) | 2022-01-20 | 2022-01-20 | Self-locking device for explosion-proof cover of air return vertical shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220153721.6U CN216588690U (en) | 2022-01-20 | 2022-01-20 | Self-locking device for explosion-proof cover of air return vertical shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216588690U true CN216588690U (en) | 2022-05-24 |
Family
ID=81635653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220153721.6U Expired - Fee Related CN216588690U (en) | 2022-01-20 | 2022-01-20 | Self-locking device for explosion-proof cover of air return vertical shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216588690U (en) |
-
2022
- 2022-01-20 CN CN202220153721.6U patent/CN216588690U/en not_active Expired - Fee Related
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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: 20220524 |