CN114558402B - Mining dust device with explosion-proof function - Google Patents
Mining dust device with explosion-proof function Download PDFInfo
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- CN114558402B CN114558402B CN202210205114.4A CN202210205114A CN114558402B CN 114558402 B CN114558402 B CN 114558402B CN 202210205114 A CN202210205114 A CN 202210205114A CN 114558402 B CN114558402 B CN 114558402B
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- gear
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- outer side
- bevel gear
- disc
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- 239000000428 dust Substances 0.000 title claims abstract description 48
- 238000005065 mining Methods 0.000 title claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000003466 welding Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 208000005069 pulmonary fibrosis Diseases 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
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- 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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nozzles (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a mining dust fall device with an explosion-proof function, which relates to the technical field of mining dust fall and is used for solving the problems that the existing dust fall device can only spray dust fall for a single height and the dust fall effect is not obvious due to limited spraying range; compared with the prior art, the dust settling device can settle dust at different heights, and meanwhile, the spraying range is enlarged, so that the dust treatment effect and the dust treatment efficiency are further improved.
Description
Technical Field
The invention relates to the technical field of mine dust fall, in particular to a mine dust fall device with an explosion-proof function.
Background
Mine dust is a generic term for fine particles of solid matter produced during the production of a mine. For short, mineral dust. The coal mine can emit a large amount of dust into the air in various links such as production, storage, transportation, tunnel tunneling and the like, the harm to human bodies is serious to human health and is respiratory dust, if people inhale respiratory dust for a long time, pulmonary fibrosis lesions can be caused to suffer from pneumoconiosis, the pneumoconiosis is a miner occupational disease with great harm, under certain conditions, coal dust explosion can occur on underground coal dust, casualties and serious damage to mine equipment are caused, and serious mine disasters are caused.
The existing mining dust device can only carry out dust fall to dust with a single height, so that dust at other heights cannot be cleaned timely, and further workers cannot work in tunnels or mine holes for a long time due to the fact that dust cannot be cleaned timely, and the existing dust device can also harm the health of operators, and the spray heads of the existing spray device can only spray towards a single direction, so that the spraying range is limited, and effective treatment on dust cannot be carried out.
Therefore, we propose a mining dust device with an explosion-proof function.
Disclosure of Invention
The invention aims to provide a mining dust fall device with an explosion-proof function, which is used for solving the following problems:
the rotary drum is driven to rotate through a series of meshing transmission, the wavy sliding groove driving sliding block arranged on the outer side of the rotary drum moves up and down in the first sliding groove, the spray heads can continuously process dust at different heights at the same time, the problem that the existing dust settling device can only spray dust at a single height, the dust at different heights can be processed only by adjusting the height of the spray heads for multiple times and repeatedly spraying the dust is solved, the first disc and the second disc work cooperatively, the spray heads arranged on the top of the sliding plate realize intermittent shrinkage and expansion, the spraying range and the spraying direction of the spray heads are further increased, and the problem that the existing device can only spray dust at other positions in a mine cavity in a single direction, and therefore dust at other positions in the mine cavity cannot be effectively cleaned is solved.
The aim of the invention can be achieved by the following technical scheme:
the mining dust fall device with the explosion-proof function comprises a chassis, a motor is arranged in the chassis, a first water tank is arranged at the top of the chassis, an output end of the motor penetrates through the top of the chassis and is fixedly provided with a first gear through spot welding, the top of the chassis is movably connected with a second gear through a bearing, the second gear is symmetrically arranged, the first gear and the second gear are in meshed connection, a third gear is fixedly arranged at the top of the second gear through spot welding, and a spraying assembly and a water collecting assembly are arranged at the top of the chassis;
the spraying assembly comprises a sleeve, a fourth gear, a rotary drum, a sliding block, a rack, a fifth gear, a first bevel gear, a first connecting rod, a second bevel gear, a second connecting rod, a first disc, a second disc, a rectangular groove, an arc-shaped groove, a sliding plate and a spray head, wherein the sleeve is symmetrically fixed at the top of the chassis, the fourth gear is arranged in the sleeve, the bottom of the fourth gear is movably connected with the chassis through a bearing, the rotary drum is fixed at the top of the fourth gear through spot welding, a wavy sliding groove is formed in the outer side of the rotary drum, a first sliding groove is formed in the outer side of the sleeve, the sliding block is connected in the first sliding groove in a sliding manner, one side, close to the rotary drum, of the sliding block is matched with the wavy sliding groove, and the fourth gear is matched with the third gear through a chain, and the rack is fixedly connected to the outer side of the sleeve.
Further, the outside of slider is through bearing swing joint there being the bull stick, and the both ends of bull stick are fixedly connected with fifth gear and bevel gear respectively, fifth gear and rack meshing are connected, the bottom of slider is fixed with connecting rod one through spot welding, the top of connecting rod one is through bearing swing joint there being bevel gear two, bevel gear two and bevel gear one meshing are connected.
Further, the top fixedly connected with connecting rod two of connecting rod one, one side fixedly connected with disc one of connecting rod two, the top fixedly connected with disc two of bevel gear two, the bottom fixedly connected with quarter butt of disc one, and the bottom and the disc two of quarter butt pass through bearing swing joint, the outside equidistance of disc two leaves and is equipped with the rectangular channel, the outside equidistance of disc one leaves and is equipped with the arc wall, sliding connection has the slide in the arc wall, the bottom fixedly connected with lug of slide, and the bottom and the rectangular channel of lug cooperate, the shower nozzle is installed at the top of slide.
Further, the water collection assembly comprises a second water tank, a baffle and a filter screen, the second water tank is symmetrically arranged at the top of the chassis, the baffle is arranged in the second water tank, a second sliding groove is formed in the outer side of the baffle, a fifth gear and a bevel gear are matched with the second sliding groove, the filter screen is arranged at the top of the second water tank, and the baffle penetrates through the outer side of the filter screen and extends to the upper portion of the filter screen.
Further, the water pump is installed at the top of chassis, the one end intercommunication of water pump has outlet pipe one, and outlet pipe one's one end and first water tank intercommunication, outlet pipe one's the other end and second water tank intercommunication, the one end of water pump is connected with the shower nozzle through outlet pipe two.
Further, slider, fifth gear, bevel gear one and bevel gear two outsides are provided with explosion-proof shell, the top of chassis is connected with explosion-proof roof through bracing piece two, equal fixedly connected with butt section of thick bamboo in chassis bottom four corners, the slotted hole has been seted up in the outside of butt section of thick bamboo, the bottom of chassis sets up two horizontal poles, and the both ends of horizontal pole all are placed in the slotted hole, the outside symmetry of horizontal pole is fixed with the telescopic link, the outside cover of telescopic link is equipped with compression spring, and compression spring's both ends respectively with butt section of thick bamboo inner wall and horizontal pole fixed connection, the both ends of horizontal pole all have the gyro wheel through bearing swing joint.
Compared with the prior art, the invention has the beneficial effects that:
1. when the dust-settling device is used, the rotary drum is driven to rotate through a series of meshing transmission, so that the wavy sliding grooves formed on the outer side of the rotary drum drive the sliding blocks to move up and down in the first sliding grooves, and the upward and downward movement of the sliding blocks enables the spray heads to spray at different heights, so that the dust-settling device can process dust at different heights continuously, and the problem that the existing dust-settling device can only spray dust at a single height and can process dust at different heights only by adjusting the height of the spray heads for multiple times and repeatedly spraying is solved;
2. when the device is used, the bevel gear I drives the bevel gear II to rotate, and then drives the disc II at the top of the bevel gear II to rotate, and the rotation of the disc II can drive the lug connected with the bottom of the sliding plate to move by the rectangular groove arranged at the outer side of the disc II, so that the sliding plate is driven to slide in the arc groove, the spray head arranged at the top of the sliding plate is enabled to realize intermittent contraction and expansion, and further the spray range and the spray direction of the spray head are enlarged, so that the spray head provided by the device can longitudinally spray dust in a mine cavity in a multi-angle and large-range manner, and the problem that the existing device can only spray in a single direction, and the dust treatment effect is not obvious is solved.
Drawings
For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is a cross-sectional view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the area A of the present invention;
FIG. 3 is a top view of the overall structure of the present invention;
FIG. 4 is a side view of the overall structure of the present invention;
FIG. 5 is a schematic diagram of a first gear and second gear connection of the present invention;
fig. 6 is a schematic diagram of a rectangular slot structure according to the present invention.
Reference numerals: 1. a chassis; 2. a motor; 3. a first gear; 4. a second gear; 5. a first water tank; 6. a spray assembly; 601. a sleeve; 602. a fourth gear; 603. a rotating drum; 604. a slide block; 605. a rack; 606. a fifth gear; 607. bevel gears I; 608. a first connecting rod; 609. bevel gears II; 610. a second connecting rod; 611. a first disc; 612. a second disc; 613. rectangular grooves; 614. an arc-shaped groove; 615. a slide plate; 616. a spray head; 7. a water collection assembly; 701. a second water tank; 702. a baffle; 703. a filter screen; 8. a water pump; 9. a chain; 10. an abutting cylinder; 11. a cross bar; 12. a telescopic rod; 13. an explosion-proof top plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, the present invention provides a technical solution:
embodiment one:
in the existing mine hole for mining the mineral deposit, in the daily mining process, larger dust can be excited in the mine hole by blasting or punching, as workers need to work in the mine hole for a long time, a large amount of dust can be sucked into the mine hole by the workers during operation, and the body can be seriously damaged in the long time, so that the problem is solved, the concrete operation is as follows:
the invention is pulled by an external driving device, when the invention is pulled into a mine cavity, a motor 2 and a water pump 8 are started, the output end of the motor 2 drives a first gear 3 to rotate, the first gear 3 drives a second gear 4 and a third gear at the top of the second gear 4 to rotate, the third gear drives a fourth gear 602 to rotate through a chain 9, the fourth gear 602 drives a rotary drum 603 fixedly connected with the top of the fourth gear 602 to rotate, a wavy sliding chute arranged on the outer side of the rotary drum 603 drives a sliding block 604 to slide up and down in the first sliding chute, the outer side of the sliding block 604 is connected with a fifth gear 606 and a bevel gear 607 through a rotating rod, the fifth gear 606 is meshed and rotated on the outer side of a rack 605 arranged on the outer side of a sleeve 601, so as to drive the bevel gear 607 to rotate, the bottom of the sliding block 604 is connected with a connecting rod 608, the top of the connecting rod 608 is movably connected with a bevel gear 609 through a bearing, the top of the connecting rod 610 is fixedly connected with a first circular disc 611, the top of the second circular disc 609 is fixedly connected with a short rod 612, the bottom of the circular disc 611 is fixedly connected with a sliding block 607, and the bottom of the short rod 607 is movably connected with the top of the circular disc 612 through a sliding block 612 is further arc-shaped groove 615;
the spraying assembly 6 is arranged, the spraying heads 616 can move up and down through the cooperation of the wavy sliding grooves and the sliding blocks 604, so that dust at different heights can be sprayed by the spraying heads 616, the first disc 611 and the second disc 612 are matched, the spraying heads 616 at the tops of the sliding plates can be driven to intermittently contract and expand by the sliding plates 615, the spraying range of the spraying heads 616 is further enlarged, the spraying range of the spraying heads 616 can be enlarged while longitudinal continuous spraying is realized through the cooperation of the spraying assembly 6, and the spraying assembly 6 is provided with two groups at the top of the chassis 1, so that dust falling can be carried out on dust at different heights in a mine hole in the advancing process, and the dust falling efficiency of the mine hole can be accelerated;
embodiment two:
the water pump 8 supplies water to the spray head 616 through the water collected in the first water tank 5 and the second water tank 701, when the spray head 616 sprays in all directions, a part of water can be sprayed on the body of the invention, so that water is wasted;
embodiment III:
because the road surface in the mine tunnel is complex, in order to lighten the shaking brought by the invention in the driving process, the bottom four corners of the chassis 1 are provided with the abutting cylinders 10, the abutting cylinders 10 are internally provided with the cross rods 11, the outer sides of the cross rods 11 are provided with the telescopic rods 12, the telescopic rods 12 are matched with compression springs, so that the rolling wheels are damped when passing through the bumpy road surface, the vibration brought by the invention in the driving process of the bumpy road surface is further reduced, the top of the chassis 1 is provided with the explosion-proof top plate 13, and the outer sides of the sliding blocks 604, the fifth gears 606, the bevel gears 607 and the bevel gears 609 are provided with explosion-proof shells, so that the impact force brought by explosion in the mine tunnel is avoided, and the explosion-proof capacity of the invention is enhanced.
The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (2)
1. The utility model provides a mining dust device with explosion-proof function, includes chassis (1), its characterized in that, internally mounted of chassis (1) has motor (2), first water tank (5) are installed at the top of chassis (1), the output of motor (2) runs through the top of chassis (1) and is fixed with first gear (3) through spot welding, the top of chassis (1) is through bearing swing joint has second gear (4), and second gear (4) are the symmetry setting, first gear (3) and second gear (4) meshing are connected, the top of second gear (4) is fixed with the third gear through spot welding, the top of chassis (1) is provided with spray assembly (6) and water collecting assembly (7);
the spraying assembly (6) comprises a sleeve (601), a fourth gear (602), a rotary drum (603), a sliding block (604), a rack (605), a fifth gear (606), a bevel gear I (607), a connecting rod I (608), a bevel gear II (609), a connecting rod II (610), a disc I (611), a disc II (612), a rectangular groove (613), an arc groove (614), a sliding plate (615) and a spray head (616), wherein the top of the chassis (1) is symmetrically fixed with the sleeve (601), the fourth gear (602) is arranged in the sleeve (601), the bottom end of the fourth gear (602) is movably connected with the chassis (1) through a bearing, the top of the fourth gear (602) is fixed with the rotary drum (603) through spot welding, a wavy chute is formed in the outer side of the rotary drum (603), a first chute is formed in the outer side of the sleeve (601), one side, close to the rotary drum (603), of the sliding block (604) is matched with the wavy chute, the fourth gear (602) is matched with the third gear through a chain (9), and the outer side, close to the rotary drum (603) is fixedly connected with the rack (605);
the outer side of the sliding block (604) is movably connected with a rotating rod through a bearing, two ends of the rotating rod are respectively and fixedly connected with a fifth gear (606) and a first bevel gear (607), the fifth gear (606) is in meshed connection with the rack (605), the bottom of the sliding block (604) is fixedly provided with a first connecting rod (608) through spot welding, the top of the first connecting rod (608) is movably connected with a second bevel gear (609) through a bearing, and the second bevel gear (609) is in meshed connection with the first bevel gear (607);
the top of the first connecting rod (608) is fixedly connected with a second connecting rod (610), one side of the second connecting rod (610) is fixedly connected with a first disc (611), the top of the second bevel gear (609) is fixedly connected with a second disc (612), the bottom of the first disc (611) is fixedly connected with a short rod, the bottom of the short rod is movably connected with the second disc (612) through a bearing, the outer side of the second disc (612) is equidistantly separated from a rectangular groove (613), the outer side of the first disc (611) is equidistantly separated from a circular groove (614), a sliding plate (615) is slidably connected in the circular groove (614), the bottom of the sliding plate (615) is fixedly connected with a convex block, the bottom of the convex block is matched with the rectangular groove (613), and a spray head (616) is arranged at the top of the sliding plate (615);
the water collection assembly (7) comprises a second water tank (701), a baffle (702) and a filter screen (703), wherein the second water tank (701) is symmetrically arranged at the top of the chassis (1), the baffle (702) is arranged in the second water tank (701), a second chute is formed in the outer side of the baffle (702), a fifth gear (606) and a bevel gear I (607) are matched with the second chute, the filter screen (703) is arranged at the top of the second water tank (701), and the baffle (702) penetrates through the outer side of the filter screen (703) and extends to the upper part of the filter screen (703);
the anti-explosion device comprises a sliding block (604), a fifth gear (606), a bevel gear I (607) and a bevel gear II (609), wherein an anti-explosion shell is arranged on the outer side of the bevel gear II, the top of a chassis (1) is connected with an anti-explosion top plate (13) through a support rod II, four corners of the bottom of the chassis (1) are fixedly connected with a butt barrel (10), a slotted hole is formed in the outer side of the butt barrel (10), two cross rods (11) are arranged at the bottom of the chassis (1), two ends of each cross rod (11) are placed in the slotted hole, telescopic rods (12) are symmetrically fixed on the outer side of each cross rod (11), compression springs are sleeved on the outer side of each telescopic rod (12), two ends of each compression spring are fixedly connected with the inner wall of the butt barrel (10) and each cross rod (11) respectively, and rollers are movably connected to two ends of each cross rod (11) through bearings.
2. The mining dust fall device with the explosion-proof function according to claim 1, wherein a water pump (8) is installed at the top of the chassis (1), one end of the water pump (8) is communicated with a first water outlet pipe, one end of the first water outlet pipe is communicated with the first water tank (5), the other end of the first water outlet pipe is communicated with a second water tank (701), and one end of the water pump (8) is connected with a spray head (616) through a second water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210205114.4A CN114558402B (en) | 2022-03-02 | 2022-03-02 | Mining dust device with explosion-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210205114.4A CN114558402B (en) | 2022-03-02 | 2022-03-02 | Mining dust device with explosion-proof function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114558402A CN114558402A (en) | 2022-05-31 |
| CN114558402B true CN114558402B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210205114.4A Active CN114558402B (en) | 2022-03-02 | 2022-03-02 | Mining dust device with explosion-proof function |
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| Country | Link |
|---|---|
| CN (1) | CN114558402B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301427A (en) * | 2022-08-25 | 2022-11-08 | 合肥海检技术服务有限责任公司 | Article sterilizer capable of adjusting spraying range and adjusting method |
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| CN215520761U (en) * | 2021-08-18 | 2022-01-14 | 张泽林 | Excavating equipment for mining engineering |
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| CN114558402A (en) | 2022-05-31 |
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