CN113074016B - Shock wave resistant coal mine protection device with efficient pressure relief function - Google Patents
Shock wave resistant coal mine protection device with efficient pressure relief function Download PDFInfo
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- CN113074016B CN113074016B CN202110391437.2A CN202110391437A CN113074016B CN 113074016 B CN113074016 B CN 113074016B CN 202110391437 A CN202110391437 A CN 202110391437A CN 113074016 B CN113074016 B CN 113074016B
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- threaded rod
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- air outlet
- cover
- mine
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- 239000003245 coal Substances 0.000 title claims abstract description 21
- 230000035939 shock Effects 0.000 title claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000005065 mining Methods 0.000 claims abstract description 3
- 230000001012 protector Effects 0.000 claims abstract 2
- 238000004140 cleaning Methods 0.000 claims description 31
- 238000000746 purification Methods 0.000 claims description 12
- 238000004880 explosion Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 240000005002 Erythronium dens canis Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/16—Shaft covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mining & Mineral Resources (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses an impact wave resistant coal mine protection device with high-efficiency pressure relief, which comprises a mine air outlet, wherein the mine air outlet is formed in the bottom surface of a mining area, an explosion-proof cover for protection is connected to the top of the mine air outlet in a nested manner, and a filtering and purifying port for ventilating and filtering harmful substances is formed in the explosion-proof cover at an equal angle; the sleeve cover is sleeved, attached and connected to the outer side of the top of the explosion-proof cover, a vent hole for pressure relief is correspondingly formed in the sleeve cover, and the bottom of the sleeve cover is connected to a space formed by the mounting groove; the circular ring plate is movably connected to the bottom of the inner side of the mine air outlet; and the longitudinal threaded rod is connected with the bottom of the explosion-proof cover through a symmetrical shaft and is connected with a transverse threaded rod through a bevel gear connecting piece. This shock wave type coal mine protector that shocks resistance of high-efficient pressure release can carry out quick pressure release, can filter air and debris, and clears up filterable debris, carries out automatic re-setting after the clearance finishes simultaneously.
Description
Technical Field
The invention relates to the technical field of coal mine protection devices, in particular to an impact-resistant wave type coal mine protection device capable of efficiently relieving pressure.
Background
When a coal mine in a mine is excavated, explosive products and materials can be easily exploded in the mine, and in order to prevent accidents, an impact-resistant wave type coal mine protection device with high-efficiency pressure relief can be installed at a vent of the mine, however, the existing impact-resistant wave type coal mine protection device with high-efficiency pressure relief has the following problems:
the safety explosion-proof device for coal mine ventilation disclosed by the publication number CN212716722U is driven by wind power, is energy-saving and environment-friendly, and can filter air. However, the filtered sundries are inconvenient to clean in the using process, and the filtered sundries are inconvenient to automatically reset after being cleaned.
We have therefore proposed an impact wave type coal mine protection device with efficient pressure relief to address the problems set out above.
Disclosure of Invention
The invention aims to provide an impact-resistant wave type coal mine protection device capable of efficiently relieving pressure, and aims to solve the problems that the conventional impact-resistant wave type coal mine protection device capable of efficiently relieving pressure in the market is inconvenient to clean filtered sundries and automatically resets after cleaning is finished.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-impact wave type coal mine protection device with high-efficiency pressure relief comprises a mine air outlet, a filter and purification port, wherein the mine air outlet is formed in the bottom surface of a mining area, an anti-explosion cover for protection is connected to the top of the mine air outlet in a nested mode, and the anti-explosion cover is provided with filter and purification ports for ventilating and filtering harmful substances at equal angles;
the sleeve cover is sleeved, attached and connected to the outer side of the top of the explosion-proof cover, an air vent for pressure relief is correspondingly formed in the sleeve cover, the bottom of the sleeve cover is connected to a space formed by the mounting groove, and the mounting groove is formed in the top of the mine air outlet;
the circular plate is movably connected to the bottom of the inner side of the mine air outlet and is attached to the inner wall of the mine air outlet;
and the longitudinal threaded rod is connected with the bottom of the explosion-proof cover through a symmetrical shaft, is connected with the transverse threaded rod through a bevel gear connecting piece, is symmetrically arranged at the bottom of the explosion-proof cover, and is connected with the side wall of the explosion-proof cover through an installation sleeve rod.
Preferably, the tip fixed mounting of ring plate has the connecting rod, and the connecting rod is connected in the space that erects the groove and form to erect the groove symmetry and set up in on the lateral wall of mine air exit, and the top of connecting rod is fixed with the first stay cord that is used for connecting, and the top of first stay cord is around establishing on the skewed tooth roller simultaneously, the skewed tooth roller is connected in the mounting groove, and the mounting groove sets up in the top of mine air exit to be connected with the first torsion spring that is used for reseing between skewed tooth roller and the mounting groove, and the top of skewed tooth roller is connected with the special-shaped dogtooth of meshing with it, the equal angular distribution of special-shaped dogtooth in the bottom of upper shield simultaneously for the ring plate can move the connecting rod in erecting the groove in step when shifting up, and then loosen first stay cord, and the first torsion spring on the skewed tooth roller will take place the gyration, and then drive the skewed tooth roller and rotate, skewed tooth roller will with special-shaped dogtooth intermeshing, thereby drive the upper shield and rotate in the mounting groove.
Preferably, the skewed tooth roller constitutes reciprocal rotating-structure with the mounting groove through the effect of first stay cord and first torque spring, and the meshing of skewed tooth roller and special-shaped protruding tooth drives the cover and rotates in the mounting groove for tightening up and relaxing of first stay cord will drive first torque spring and invert and reset, and then drive skewed tooth roller and carry out reciprocal rotation, thereby drive the upper shield and rotate and reset.
Preferably, the number and the position of the filtering and purifying ports formed in the explosion-proof cover correspond to those of the vent holes formed in the sleeve cover, and the sleeve cover rotates to drive the filtering and purifying ports to coincide with the vent holes, so that the vent holes and the filtering and purifying ports formed in the explosion-proof cover can be punched after the sleeve cover rotates on the explosion-proof cover, and then high pressure is unloaded.
Preferably, the top left side of ring plate is fixed with the second stay cord, and the top of second stay cord is around locating on the tip of longitudinal threaded rod to be connected with second torque spring between the lateral wall of rear end portion and the explosion-proof cover of longitudinal threaded rod, and the middle part of longitudinal threaded rod and the equal thread bush in middle part of the transverse threaded rod that connects through the awl tooth connecting piece are equipped with the cleaning brush, and the outside of cleaning brush is fixed with the gag lever post that prevents the pivoted simultaneously, the top of gag lever post is connected in the spacing groove, and the spacing groove is seted up in the bottom of explosion-proof cover, and the spacing groove is located the both sides of filtration purification mouth, and the filtration purification mouth is corresponding with the position of cleaning brush, makes the ring plate move up the back, will relax the second stay cord, and the second torque spring on the longitudinal threaded rod will take place to reset and then drive longitudinal threaded rod and rotate, will drive horizontal rotation in step through the awl tooth connecting piece after the longitudinal threaded rod rotates, and then drive the cleaning brush and carry out the clean in step to the filtration purification mouth.
Preferably, the longitudinal threaded rod drives other longitudinal threaded rods and transverse threaded rods to synchronously rotate through the second pull rope and the second torsion spring, so that a linkage structure is formed, the cleaning brush can be driven to move by the rotation of the longitudinal threaded rod and the transverse threaded rods, and after the longitudinal threaded rod rotates, the other longitudinal threaded rods and the other transverse threaded rods can be driven to rotate through the bevel gear connecting piece, so that the structure is compact, and the cleaning efficiency is high.
Preferably, the gag lever post symmetry sets up in the both sides of cleaning brush, and the cleaning brush keeps rectilinear movement through gag lever post and spacing groove for longitudinal threaded rod and horizontal threaded rod when rotating, gag lever post and the spacing groove on the cleaning brush can restrict the motion trail of cleaning brush, prevent to take place pivoted phenomenon.
Compared with the prior art, the invention has the beneficial effects that: the shock wave resistant coal mine protection device with high-efficiency pressure relief;
(1) Through the arranged filtering and purifying port, the vent hole, the connecting rod, the first stay cord, the skewed tooth roller, the first torsion spring and the special-shaped convex teeth, after the connecting rod moves in the vertical groove, the first stay cord can be loosened, the first torsion spring arranged on the skewed tooth roller can rotate to further drive the skewed tooth roller to rotate, the skewed tooth roller can drive the sleeve cover to rotate at the top of the explosion-proof cover through meshing with the special-shaped convex teeth, and then the filtering and purifying port and the vent hole are superposed, so that the inside of the air outlet of the mine can be efficiently decompressed, and harmful substances can be purified and filtered;
(2) Through the ring plate that sets up, the second stay cord, longitudinal thread pole, second torque spring, horizontal threaded rod, the cleaning brush, gag lever post and spacing groove, make the ring plate move up the back, will drive the second stay cord and relax, longitudinal thread pole will rotate under the effect of second torque spring gyration power, longitudinal thread pole rotates the back and will drive horizontal threaded rod through the awl tooth connecting piece and rotate in step, horizontal threaded rod and longitudinal thread pole rotate the back and will drive the cleaning brush and clean the debris of filtration purification mouth department, and the gag lever post can slide in the spacing groove, and then keep the rectilinear movement of cleaning brush.
Drawings
FIG. 1 is a schematic view of the overall front view structure of the present invention;
FIG. 2 is a schematic view of the structure of the filtering and purifying port and the ventilation port before operation;
FIG. 3 is a schematic top view of the vertical slot of the present invention;
FIG. 4 is a schematic view of a side view of the connection between the irregular teeth and the helical teeth roller of the present invention;
FIG. 5 is a schematic view of the connection structure of the special-shaped convex teeth and the helical tooth roller of the present invention;
fig. 6 is a bottom structural schematic view of the explosion-proof cover of the present invention.
In the figure: 1. a mine air outlet; 2. an explosion-proof cover; 3. a filtration purification port; 4. covering; 5. a vent; 6. a circular ring plate; 7. a connecting rod; 8. a vertical slot; 9. a first pull cord; 10. a skewed tooth roller; 11. mounting grooves; 12. a first torsion spring; 13. special-shaped convex teeth; 14. a second pull cord; 15. a longitudinal threaded rod; 16. a second torsion spring; 17. a bevel gear connector; 18. a transverse threaded rod; 19. installing a loop bar; 20. a cleaning brush; 201. a limiting rod; 202. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an impact-resistant wave type coal mine protection device with high-efficiency pressure relief comprises a mine air outlet 1, an explosion-proof cover 2 for protection is connected to the top of the mine air outlet 1 in a nested mode, and a filtering and purifying port 3 for ventilating and filtering harmful substances is formed in the explosion-proof cover 2 at an equal angle;
the cover 4 is sleeved, attached and connected to the outer side of the top of the explosion-proof cover 2, a vent 5 for pressure relief is correspondingly formed in the cover 4, the bottom of the cover 4 is connected to a space formed by the mounting groove 11, and the mounting groove 11 is formed in the top of the mine air outlet 1;
the circular plate 6 is movably connected to the bottom of the inner side of the mine air outlet 1 and is attached to the inner wall of the mine air outlet 1;
the longitudinal threaded rod 15 is symmetrically connected to the bottom of the explosion-proof cover 2, the transverse threaded rod 18 is connected to the longitudinal threaded rod 15 through a bevel gear connecting piece 17, the transverse threaded rod 18 is symmetrically arranged at the bottom of the explosion-proof cover 2, and the transverse threaded rod 18 is connected to the side wall of the explosion-proof cover 2 through a mounting sleeve rod 19.
A connecting rod 7 is fixedly installed at the end part of the circular ring plate 6, the connecting rod 7 is connected in a space formed by the vertical grooves 8, the vertical grooves 8 are symmetrically arranged on the side wall of the mine air outlet 1, a first pull rope 9 for connection is fixed at the top part of the connecting rod 7, meanwhile, the top part of the first pull rope 9 is wound on a skewed tooth roller 10, the skewed tooth roller 10 is connected in a mounting groove 11 in a shaft mode, the mounting groove 11 is arranged at the top part of the mine air outlet 1, a first torsion spring 12 for resetting is connected between the skewed tooth roller 10 and the mounting groove 11, the top part of the skewed tooth roller 10 is connected with a special-shaped convex tooth 13 meshed with the skewed tooth roller, meanwhile, the special-shaped convex tooth 13 is distributed at the bottom part of the sleeve cover 4 at equal angles, the skewed tooth roller 10 forms a reciprocating rotating structure with the mounting groove 11 through the action of the first pull rope 9 and the first torsion spring 12, and the meshing of the skewed tooth roller 10 and the special-shaped convex tooth 13 drives the sleeve cover 4 to rotate in the mounting groove 11, the number and the position of the filtering and purifying port 3 arranged on the explosion-proof cover 2 correspond to the number and the position of the vent 5 arranged on the sleeve cover 4, and the sleeve cover 4 drives the filtering and purifying port 3 to coincide with the vent 5 after rotating, as shown in fig. 1-5, firstly, the device is arranged at the position of the mine vent 1, when wind is discharged from the interior of the mine vent 1, the circular ring plate 6 is pushed to move upwards, the circular ring plate 6 moves upwards and simultaneously drives the connecting rod 7 to synchronously move upwards in the vertical groove 8, after the connecting rod 7 moves upwards, the first pull rope 9 fixed at the top of the connecting rod is in a relaxed state, after the first pull rope 9 is relaxed, the first torsion spring 12 which is in a reverse rotation state on the oblique toothed roller 10 rotates, the first torsion spring 12 drives the oblique toothed roller 10 to rotate, and the oblique toothed roller 10 rotates to be meshed with the special-shaped convex teeth 13, and then drive the upper shield 4 and rotate in mounting groove 11, after the upper shield 4 rotates, the blow vent 5 that its top was seted up will coincide with the position of the filtration purification mouth 3 of seting up on the explosion-proof lid 2, and then make wind discharge from blow vent 5 after filtration purification mouth 3, and then when the inside of mine air exit 1 explodes, the shock wave will drive ring plate 6 and shift up, thereby unload the high pressure of 1 inside of mine air exit, and filtration purification mouth 3 can intercept and purify some debris and harmful substance.
A second pull rope 14 is fixed on the left side of the top of the circular ring plate 6, the top of the second pull rope 14 is wound on the end part of the longitudinal threaded rod 15, a second torsion spring 16 is connected between the rear end part of the longitudinal threaded rod 15 and the side wall of the explosion-proof cover 2, a cleaning brush 20 is sleeved on the middle part of the longitudinal threaded rod 15 and the middle part of the transverse threaded rod 18 connected through a bevel gear connecting piece 17 in a threaded manner, a limiting rod 201 for preventing rotation is fixed on the outer side of the cleaning brush 20, the top of the limiting rod 201 is connected in a limiting groove 202, the limiting groove 202 is arranged at the bottom of the explosion-proof cover 2, the limiting grooves 202 are positioned on two sides of the filtering and purifying port 3, the position of the filtering and purifying port 3 corresponds to that of the cleaning brush 20, the longitudinal threaded rod 15 drives other longitudinal threaded rods 15 and the transverse threaded rod 18 to synchronously rotate through the second pull rope 14 and the second torsion spring 16, and then form the linkage structure, and the rotation of the longitudinal threaded rod 15 and the transverse threaded rod 18 will drive the cleaning brush 20 to move, the stop rod 201 is symmetrically arranged on both sides of the cleaning brush 20, and the cleaning brush 20 keeps moving linearly through the stop rod 201 and the stop slot 202, as shown in fig. 1, fig. 3 and fig. 6, the ring plate 6 will drive the second pull rope 14 to release while moving upwards, the second torsion spring 16 installed on the longitudinal threaded rod 15 and having an initial state of reverse rotation will start to reset and rotate, and then drive the longitudinal threaded rod 15 to rotate, after the longitudinal threaded rod 15 rotates, the bevel tooth connecting piece 17 will drive the rest of the longitudinal threaded rod 15 and the transverse threaded rod 18 to rotate synchronously, and then drive the four cleaning brushes 20 to move synchronously, when the cleaning brush 20 moves, the stop rod 201 fixed on the outer side thereof will move synchronously in the stop slot 202, thereby maintaining the cleaning brush 20 to move only in a straight line without a deviation.
The working principle is as follows: when the high-efficiency pressure-relief shock-resistant wave type coal mine protection device is used, as shown in fig. 1-5, firstly, the annular plate 6 moves upwards, the first stay cord 9 is loosened, the helical gear roller 10 is driven by the first torsion spring 12 to rotate, and after the helical gear roller 10 rotates, the sleeve cover 4 is driven to rotate through meshing with the special-shaped convex teeth 13, so that the vent 5 is superposed with the position of the filtering and purifying port 3 formed in the explosion-proof cover 2, and then high pressure is relieved and air is filtered;
as shown in fig. 1, 3 and 6, the circular plate 6 moves upward, the second pull rope 14 releases the longitudinal threaded rod 15 and rotates under the driving of the second torsion spring 16, and the longitudinal threaded rod 15 drives the rest of the longitudinal threaded rods 15 and the rest of the transverse threaded rods 18 to synchronously rotate through the bevel gear connecting piece 17, so that the four cleaning brushes 20 are driven to synchronously clean.
Those not described in detail in this specification are within the skill of the art.
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.
Claims (4)
1. The utility model provides a high-efficient shock wave type coal mine protector of pressure release which characterized in that: the method comprises the following steps:
the mine air outlet is formed in the bottom surface of a mining area, an anti-explosion cover for protection is connected to the top of the mine air outlet in a nested mode, and filtering and purifying ports for ventilating and filtering harmful substances are formed in the anti-explosion cover at equal angles;
the sleeve cover is sleeved, attached and connected to the outer side of the top of the explosion-proof cover, an air vent for pressure relief is correspondingly formed in the sleeve cover, the bottom of the sleeve cover is connected to a space formed by the mounting groove, and the mounting groove is formed in the top of the mine air outlet;
the circular plate is movably connected to the bottom of the inner side of the mine air outlet and is attached to the inner wall of the mine air outlet; the end part of the circular ring plate is fixedly provided with a connecting rod, the connecting rod is connected in a space formed by vertical grooves, the vertical grooves are symmetrically formed in the side wall of the mine air outlet, a first pull rope for connection is fixed at the top of the connecting rod, meanwhile, the top of the first pull rope is wound on a skewed tooth roller, the skewed tooth roller shaft is connected in a mounting groove, the mounting groove is formed in the top of the mine air outlet, a first torsion spring for resetting is connected between the skewed tooth roller and the mounting groove, the top of the skewed tooth roller is connected with special-shaped convex teeth meshed with the skewed tooth roller, and the special-shaped convex teeth are distributed at the bottom of the sleeve cover at equal angles;
the symmetrical shaft is connected to the bottom of the explosion-proof cover, the longitudinal threaded rod is connected with the transverse threaded rod through a bevel gear connecting piece, the transverse threaded rod is symmetrically arranged at the bottom of the explosion-proof cover, and the transverse threaded rod is connected to the side wall of the explosion-proof cover through a mounting sleeve rod; the top left side of ring plate is fixed with the second stay cord, and the top of second stay cord is around locating on the tip of longitudinal threaded rod to be connected with second torque spring between the rear end of longitudinal threaded rod and the lateral wall of explosion-proof cover, and the middle part of longitudinal threaded rod and the equal thread bush in middle part of the horizontal threaded rod that connects through the awl tooth connecting piece are equipped with the cleaning brush, and the outside of cleaning brush is fixed with the gag lever post that prevents the pivoted simultaneously, the top of gag lever post is connected in the spacing groove, and the spacing groove is seted up in the bottom of explosion-proof cover, and the spacing groove is located the both sides of filtration purification mouth, the filtration purification mouth is corresponding with the position of cleaning brush moreover.
2. The efficient pressure-relieving impact-resistant wave type coal mine protection device according to claim 1, wherein: the helical gear roller and the mounting groove form a reciprocating rotation structure under the action of the first pull rope and the first torsion spring, and the helical gear roller and the special-shaped convex teeth are meshed to drive the sleeve cover to rotate in the mounting groove.
3. The high efficiency pressure relieving impact wave resistant coal mine protection device of claim 1, wherein: the longitudinal threaded rod drives other longitudinal threaded rods and transverse threaded rods to synchronously rotate through a second pull rope and a second torsion spring, so that a linkage structure is formed, and the cleaning brush can be driven to move by the rotation of the longitudinal threaded rod and the transverse threaded rod.
4. The high efficiency pressure relieving impact wave resistant coal mine protection device of claim 1, wherein: the limiting rods are symmetrically arranged on two sides of the cleaning brush, and the cleaning brush keeps moving linearly through the limiting rods and the limiting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391437.2A CN113074016B (en) | 2021-04-11 | 2021-04-11 | Shock wave resistant coal mine protection device with efficient pressure relief function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391437.2A CN113074016B (en) | 2021-04-11 | 2021-04-11 | Shock wave resistant coal mine protection device with efficient pressure relief function |
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| Publication Number | Publication Date |
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| CN113074016A CN113074016A (en) | 2021-07-06 |
| CN113074016B true CN113074016B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410044A (en) * | 2011-07-14 | 2012-04-11 | 鸡西司瑞电气有限公司 | Vertical ventilating shaft explosion door capable of automatically resetting after blast release and pressure relief |
| CN103306704A (en) * | 2013-06-09 | 2013-09-18 | 山东科技大学 | Vertical ventilating shaft anti-explosion door and method for relieving pressure safely and performing ventilation quickly by using door |
| CN112049677A (en) * | 2020-08-20 | 2020-12-08 | 郑学伟 | Colliery wind well is with explosion-proof cover structure convenient to shock wave releases |
| DE102019220089A1 (en) * | 2019-12-18 | 2021-02-04 | W & S Management Gmbh & Co. Kg | Nozzle element for a jet fan and jet fan |
| CN212716722U (en) * | 2020-06-28 | 2021-03-16 | 重庆工程职业技术学院 | Safety explosion-proof device for coal mine ventilation |
-
2021
- 2021-04-11 CN CN202110391437.2A patent/CN113074016B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410044A (en) * | 2011-07-14 | 2012-04-11 | 鸡西司瑞电气有限公司 | Vertical ventilating shaft explosion door capable of automatically resetting after blast release and pressure relief |
| CN103306704A (en) * | 2013-06-09 | 2013-09-18 | 山东科技大学 | Vertical ventilating shaft anti-explosion door and method for relieving pressure safely and performing ventilation quickly by using door |
| DE102019220089A1 (en) * | 2019-12-18 | 2021-02-04 | W & S Management Gmbh & Co. Kg | Nozzle element for a jet fan and jet fan |
| CN212716722U (en) * | 2020-06-28 | 2021-03-16 | 重庆工程职业技术学院 | Safety explosion-proof device for coal mine ventilation |
| CN112049677A (en) * | 2020-08-20 | 2020-12-08 | 郑学伟 | Colliery wind well is with explosion-proof cover structure convenient to shock wave releases |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113074016A (en) | 2021-07-06 |
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