CN218624325U - Self-restoring explosion door for inclined air shaft - Google Patents
Self-restoring explosion door for inclined air shaft Download PDFInfo
- Publication number
- CN218624325U CN218624325U CN202222655281.7U CN202222655281U CN218624325U CN 218624325 U CN218624325 U CN 218624325U CN 202222655281 U CN202222655281 U CN 202222655281U CN 218624325 U CN218624325 U CN 218624325U
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- China
- Prior art keywords
- door
- door leaf
- explosion vent
- frame
- support
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- 238000004880 explosion Methods 0.000 title claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 10
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 239000002817 coal dust Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 description 11
- 239000003245 coal Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Ventilation (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model discloses a from oblique ventilating shaft explosion vent of compound, including supporting the buffering frame, it is provided with three hinge means of group, three groups to support buffering frame front side top-down hinge means of group hinge means one side is rotated a door leaf of end fixedly connected with, three groups another door leaf of hinge means opposite side rotation end fixedly connected with, two the door leaf is symmetry form setting and the outside is provided with the door frame, the reposition of redundant personnel cover is installed to door frame middle standing pillar inboard, it is located door frame rear portion intermediate position and perpendicular to door frame installation to support the buffering frame. The utility model discloses an when taking place gas, coal dust explosion, open the pressure release by explosion shock wave air current impact from compound oblique ventilating shaft explosion vent, get into the natural draft state, when the fan is strikeed the production trouble by the shock wave, can keep the door leaf open, natural draft confirms that the fan is normal, when needing to restart, presses the button, closes explosion vent door fan under the drive of pneumatic cylinder.
Description
Technical Field
The utility model relates to an explosion-proof field of colliery safety especially relates to from compound oblique wind well explosion vent.
Background
The self-restoring inclined air shaft explosion-proof door is mainly used for an explosion-proof door of a coal mine inclined air shaft well mouth and is one of important safety facilities of a mine ventilation system; under normal conditions, the explosion door is in a closed state, and when the fan stops running, the explosion door can be automatically opened; when the mine is exploded, the explosion-proof door can be automatically opened to release pressure, release energy and harmful gas and protect the main fan from being damaged.
At present, the explosion vent of the coal mine inclined air shaft well head mostly adopts an old manual inclined air shaft explosion vent, and the inclined air shaft explosion vent is in a closed state for a long time after being installed and debugged. When the wind stops for maintenance, people are required to arrive at the site to open the door, and underground natural ventilation is maintained; when gas and coal dust explosion happens, the old inclined air shaft door body is weak and easy to deform; when the counter-wind exercise is performed, people need to arrive at the site to open the door, and the operation cannot be completed timely and effectively under many conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that old-fashioned oblique wind well door body is weak, yielding, can not in time, effectual completion operation under many the conditions.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a from oblique ventilating shaft explosion vent of recovery type, including supporting the buffer bay, it is provided with three hinge means of group to support buffer bay front side top-down, three groups hinge means one side rotation end fixedly connected with door leaf, three groups another door leaf of hinge means opposite side rotation end fixedly connected with, two the door leaf is the symmetry form and sets up and the outside is provided with the door frame, the reposition of redundant personnel cover is installed to door frame middle standing pillar inboard, support buffer bay position door frame rear portion intermediate position and perpendicular to door frame installation, support buffer bay bottom is the front and back symmetry form and is provided with two cooperation mount pads, has seted up the connecting hole between the wall of the lower both sides of four corners of two cooperation mount pads.
Through above-mentioned technical scheme, from compound oblique ventilating shaft explosion vent by explosion shock wave air current impact open the pressure release, get into the natural draft state, when the fan is strikeed by the shock wave and is produced the trouble, can keep the door leaf open, natural draft confirms that the fan is normal, when needs restart, presses the button, closes explosion vent door leaf under the drive of pneumatic cylinder, when the fan resumes normal work, presses the button, will restore to the throne the auto-lock support and withdraw, and the explosion vent gets into normal ventilation operating condition.
The utility model discloses further set up to: the anti-wind locking mechanism is fixedly mounted below the two outer sides of the door frame, and silica gel buffering strips are fixedly mounted at the corners of the front side wall and the rear side wall of the supporting buffering frame.
Through the technical scheme, the door frame (1) is provided with the counter-wind locking device, when a mine is subjected to counter-wind exercise, the locking device acts in opposite directions under the driving of the hydraulic cylinder to realize counter-wind locking of the explosion-proof door, meanwhile, the counter-wind locking devices on the two sides of the door frame have a manual counter-wind locking function, and under special conditions, the door leaf can be locked by manually operating the locking device.
The utility model discloses further set up to: the support buffer frame is characterized in that a reset mechanism is arranged below the support buffer frame and comprises two support frames, the two support frames are rotatably arranged on a connecting shaft of the support buffer frame, and the front ends of the two support frames are respectively connected with a door leaf on one side corresponding to the two support frames in a sliding manner.
Through above-mentioned technical scheme, support and install door leaf canceling release mechanical system on the buffer frame, door leaf canceling release mechanical system comprises pneumatic cylinder, support, and when explosion vent need be closed, by the opening of pneumatic cylinder drive door leaf canceling release mechanical system, then promote the door leaf and close.
The utility model discloses further set up to: the support buffer frame is provided with a pulley block above, two steel wire ropes are wound on a rotating wheel body of the pulley block, one ends of the two steel wire ropes are fixedly connected with a door leaf on one side corresponding to the two steel wire ropes, and the other ends of the two steel wire ropes are fixedly connected with a same balance weight.
Through the technical scheme, the upper ends of the two door leaves are provided with the steel wire ropes which are connected with the counterweight devices on the counterweight buffer frames through the pulley blocks, so that the explosion-proof door can be automatically opened for natural ventilation in the wind-stopping state.
The utility model has the advantages as follows:
the utility model discloses an when taking place gas, the coal dust explosion, from the pressure release is opened by explosion shock wave air current impact to the oblique ventilating shaft explosion vent of formula, get into the natural draft state, when the fan is strikeed the production trouble by the shock wave, can keep the door leaf open, natural draft, it is normal to confirm the fan, when needing to restart, press the button, close the explosion vent door leaf under the drive of pneumatic cylinder, when the fan resumes normal work, press the button, will reset and withdraw from the locking support, the explosion vent gets into normal ventilation operating condition.
Drawings
Fig. 1 is an overall perspective view of the present invention.
In the figure: 1. a door frame; 2. a door leaf; 3. supporting the buffer frame; 4. a hinge device; 5. balancing weight; 6. a pulley block; 7. a counter-wind locking mechanism; 8. a reset mechanism.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, the self-restoring explosion vent for an inclined air shaft comprises a supporting buffer frame 3, three groups of hinge devices 4 are arranged on the front side of the supporting buffer frame 3 from top to bottom, one rotating end of one side of each of the three groups of hinge devices 4 is fixedly connected with a door leaf 2, the other rotating end of the other side of each of the three groups of hinge devices 4 is fixedly connected with another door leaf 2, the two door leaves 2 are symmetrically arranged, the outer sides of the two door leaves 2 are provided with a door frame 1, the inner side of a middle upright post of the door frame 1 is provided with a shunt cover, the supporting buffer frame 3 is positioned in the middle position of the rear part of the door frame 1 and is arranged vertical to the door frame 1, the bottom of the supporting buffer frame 3 is symmetrically provided with two matching mounting seats in the front-back direction, seted up the connecting hole between the wall of both sides about four corners of two cooperation mount pads, from the explosion vent of formula inclined wind well is impacted by explosion shock wave air current and is opened the pressure release, get into the natural draft state, when the fan is impacted by the shock wave and is produced the trouble, can keep door leaf 2 open, natural draft, confirm that the fan is normal, when needing to restart, press the button, close explosion vent door leaf 2 under the drive of pneumatic cylinder, when the fan resumes normal work, press the button, will restore to the throne from locking support and withdraw, the explosion vent gets into normal ventilation operating condition.
As shown in fig. 1, a back wind locking mechanism 7 is respectively and fixedly installed below two outer sides of a door frame 1, silica gel buffer strips are fixedly installed at corners of front and rear side walls of a supporting buffer frame 3, a back wind locking device is installed on the door frame (1), when a mine back wind exercise is carried out, the locking devices are driven by hydraulic cylinders to act in opposite directions so as to realize back wind locking of an explosion-proof door, meanwhile, the back wind locking devices on two sides of the door frame 1 have a manual back wind locking function, and under special conditions, the door leaf 2 can be locked by manually operating the locking devices.
As shown in fig. 1, a reset mechanism 8 is arranged below the supporting buffer frame 3, the reset mechanism 8 comprises two support frames, the two support frames are rotatably installed on a connecting shaft of the supporting buffer frame 3, the front ends of the two support frames are respectively and slidably connected with a door leaf 2 on one side corresponding to the two support frames, the supporting buffer frame 3 is provided with the door leaf 2 reset mechanism 8, the door leaf 2 reset mechanism 8 comprises a hydraulic cylinder and a support, when the explosion door needs to be closed, the hydraulic cylinder drives the door leaf 2 reset support to be opened, and then the door leaf 2 is pushed to be closed.
As shown in fig. 1, a pulley block 6 is arranged above the supporting buffer frame 3, two steel wire ropes are wound on a rotating wheel body of the pulley block 6, one ends of the two steel wire ropes are fixedly connected with the door leaves 2 on one side corresponding to the two steel wire ropes, the other ends of the two steel wire ropes are fixedly connected with a balance weight 5, and the upper ends of the two door leaves 2 are provided with steel wire ropes which are connected with a balance weight 5 device on the balance weight 5 buffer frame through the pulley block 6, so that the explosion-proof door can be automatically opened for natural ventilation in the wind-out state.
The utility model discloses when using, support and install 2 canceling release mechanical system 8 of door leaf on the buffer frame 3, 2 canceling release mechanical system 8 of door leaf is by the pneumatic cylinder, the support is constituteed, when the explosion vent need be closed, reset the support by pneumatic cylinder drive door leaf 2 and open, then promote door leaf 2 and close, 2 upper ends of two door leaves have wire rope to link to each other through 5 devices of counter weight on assembly pulley 6 and the 5 buffer frames of counter weight, in order to guarantee the explosion vent under the blowing-out state, natural ventilation can be opened automatically to the explosion vent, install contrary wind locking device on door frame (1), when the mine contrary wind exercise, locking device acts on in opposite directions under the drive of pneumatic cylinder and realizes the contrary wind locking of explosion vent, 1 both sides contrary wind locking device of door frame has manual contrary wind locking function simultaneously, under the special circumstances, can manually operation locking device with door leaf 2 locking, from compound formula oblique wind well explosion vent is impacted and is opened the pressure release by explosion shock wave air current, get into the natural ventilation state, when the fan is impacted and produced the trouble by the shock wave, can keep door leaf 2 open, the natural ventilation state, confirm that the fan is normal withdrawal, press the push button of the normal work of the explosion vent under the normal ventilation, the explosion vent comes into when the explosion vent, the explosion vent returns the normal work of the explosion vent.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (7)
1. From oblique ventilating shaft explosion vent of formula, including supporting buffer frame (3), its characterized in that: three groups of hinge devices (4) are arranged on the front side of the supporting buffer frame (3) from top to bottom, one rotating end of one side of each of the three groups of hinge devices (4) is fixedly connected with one door leaf (2), and the other rotating end of the other side of each of the three groups of hinge devices (4) is fixedly connected with the other door leaf (2);
the two door leaves (2) are symmetrically arranged, the outer sides of the two door leaves are provided with door frames (1), the inner sides of the middle upright posts of the door frames (1) are provided with shunting covers, and the supporting buffer frame (3) is positioned in the middle of the rear parts of the door frames (1) and is arranged perpendicular to the door frames (1);
support cushion frame (3) bottom and be that the front and back symmetry form is provided with two cooperation mount pads, has seted up the connecting hole between the wall of both sides about four corners of two cooperation mount pads.
2. The self-healing slant blast well explosion vent according to claim 1, wherein: and a counter-wind locking mechanism (7) is fixedly arranged below each of the two outer sides of the door frame (1).
3. The self-healing slant blast well explosion vent according to claim 1, wherein: and silica gel buffer strips are fixedly arranged at the corners of the front side wall and the rear side wall of the support buffer frame (3).
4. The self-healing slant blast well explosion vent according to claim 1, wherein: and a reset mechanism (8) is arranged below the supporting buffer frame (3).
5. The self-healing slant blast well explosion vent according to claim 4, wherein: the reset mechanism (8) comprises two support frames, the two support frames are rotatably arranged on the connecting shaft of the support buffer frame (3), and the front ends of the two support frames are respectively connected with the door leaf (2) on one side corresponding to the two support frames in a sliding manner.
6. The self-healing slant blast well explosion vent according to claim 1, wherein: a pulley block (6) is arranged above the supporting buffer frame (3).
7. The self-healing oblique air shaft explosion vent of claim 6, wherein: two steel wire ropes are wound on a rotating wheel body of the pulley block (6), one ends of the two steel wire ropes are fixedly connected with the door leaf (2) on one side corresponding to the two steel wire ropes, and the other ends of the two steel wire ropes are fixedly connected with the same counterweight (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222655281.7U CN218624325U (en) | 2022-10-10 | 2022-10-10 | Self-restoring explosion door for inclined air shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222655281.7U CN218624325U (en) | 2022-10-10 | 2022-10-10 | Self-restoring explosion door for inclined air shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218624325U true CN218624325U (en) | 2023-03-14 |
Family
ID=85469527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222655281.7U Active CN218624325U (en) | 2022-10-10 | 2022-10-10 | Self-restoring explosion door for inclined air shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218624325U (en) |
-
2022
- 2022-10-10 CN CN202222655281.7U patent/CN218624325U/en active Active
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