CN114251117B - Coal mining dustproof system and application method thereof - Google Patents
Coal mining dustproof system and application method thereof Download PDFInfo
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- CN114251117B CN114251117B CN202111583220.8A CN202111583220A CN114251117B CN 114251117 B CN114251117 B CN 114251117B CN 202111583220 A CN202111583220 A CN 202111583220A CN 114251117 B CN114251117 B CN 114251117B
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- 239000003245 coal Substances 0.000 title claims abstract description 32
- 238000005065 mining Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 101
- 238000009423 ventilation Methods 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 4
- 230000001846 repelling effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 11
- 230000033228 biological regulation Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
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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
- E21F5/20—Drawing-off or depositing dust
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- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dust-proof system for coal mining, which comprises a base, wherein a plurality of supports are fixed at the bottom of the base, an air box is fixed at the upper end of the base, a filter screen is fixed on the inner wall of the air box, a main fan and a reinforcing fan which are communicated with the inside of the air box are embedded in the base, two symmetrically arranged dust discharging grooves are formed in the side wall of the air box, a baffle is connected to the inner walls of the two dust discharging grooves through torsion springs in a rotating mode, and a collecting groove which is communicated with the two dust discharging grooves in a corresponding mode is formed in the upper end of the base. The advantages are that: when the dust volume is continuous great in the air current, the electric connection piece will switch on to start the reinforcing fan, improve holistic ventilation speed, and then guarantee air quality, the base is at pivot rotation in-process, does the upper and lower shake of a small margin, thereby can reduce the pile up intensity of filter screen surface dust through the shake of self, make the dust on filter screen surface can not block up and die, strike off that can be better.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a dust-proof system for coal mining and a use method thereof.
Background
The coal mine is an area for mining coal resources in a mining area rich in coal, is generally divided into an underground coal mine and an open pit coal mine, when the coal seam is far away from the ground surface, coal is generally mined in a tunnel in suspension, when the coal seam is very close to the ground surface, the coal is generally mined by directly stripping off the surface soil layer, and when the coal mine mining machinery works, ventilation equipment such as a fan is needed to ensure air quality, and the safety is prevented from being influenced by excessive dust in the air;
when current fan ventilation dust removal, will a large amount of dust direct discharge to the external space easily, lead to the external environment extremely poor, and the dust gets into inside a large amount of fans, causes the inside heat dissipation of fan to become poor, life reduces, and simple filtration can't guarantee effectual ventilation dust removal effect to current equipment can't be according to the timely adjustment ventilation state of dust content, consequently ventilation dust removal effect is relatively poor.
Disclosure of Invention
The invention aims to solve the problem of poor dust removal effect in the prior art, and provides a dust prevention system for coal mining and a use method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a colliery exploitation dustproof system, includes the base, the bottom of base is fixed with a plurality of supports, the upper end of base is fixed with the bellows, the inner wall of bellows is fixed with the filter screen, the inside of base inlay be equipped with the inside main fan and the enhancement fan of switch-on of bellows, the dust exhaust groove that two symmetries set up has been seted up to the lateral wall of bellows, two the inner wall in dust exhaust groove all rotates through the torsional spring and is connected with the baffle, the collecting vat that corresponds the switch-on with two dust exhaust grooves has been seted up to the upper end of base, the lateral wall of bellows is fixed with the motor, the output shaft of motor is fixed with the lead screw, the lead screw runs through the lateral wall of bellows, the lateral wall threaded connection of lead screw has the slider, the bottom of slider is fixed with the closing plate, the bottom of closing plate is fixed with the dust removal shovel, the inside of bellows is equipped with the clearance strengthening mechanism, the lateral wall of bellows is fixed with the regulation and control case, the inside of regulation and control case is equipped with regulation and control mechanism, the bottom of base is equipped with shake dust removal mechanism.
In the above-mentioned colliery exploitation dustproof system, clearance strengthening mechanism is including being fixed in two electric rings that connect of bellows inner wall, the upper end of base runs through and rotates and be connected with the pivot, the upper end of pivot is fixed with the flabellum, the circumference lateral wall of pivot is fixed with the bull stick, the expansion groove has been seted up to the lateral wall of bull stick, the inner wall in expansion groove has the pole through connecting spring coupling, the equal sliding connection of lateral wall of pole and two electric rings connects.
In the above-mentioned coal mining dust-proof system, shake dust removal mechanism includes two bracing pieces, two the lateral wall of bracing piece all is fixed with carries on the board, two carry on the upper end of board all be fixed with vibration spring jointly with the bottom of base, two the lateral wall of bracing piece is fixed with the suspension board jointly, the upper end of suspension board is fixed with two and repels the piece, the lower extreme of pivot runs through the base and welds a plurality of commentaries on classics pieces, commentaries on classics piece and the piece that repels is the electro-magnet and mutually repulses after the circular telegram.
In the coal mining dustproof system, the bottom of the supporting rod is provided with the thread groove, the inner wall of the thread groove is connected with the screw rod in a threaded mode, the sucker is fixed at the bottom of the screw rod, and the roller is fixed at the bottom of the support.
In the coal mining dustproof system, the adjusting and controlling mechanism comprises a pumping cavity and an air collecting cavity which are arranged in the adjusting and controlling box, the screw rod penetrates through the side wall of the adjusting and controlling box and extends into the pumping cavity, a rotating strip is fixed on the circumferential side wall of one section of the screw rod, which is positioned in the pumping cavity, a piston plate is connected to the bottom of the pumping cavity through a pumping spring, and the piston plate and the rotating strip are permanent magnets and mutually repulsed when being close to each other.
In the coal mining dustproof system, the bottom of the air pumping cavity is provided with the air inlet hole in a penetrating mode, the bottom of the air collecting cavity is provided with the air outlet hole in a penetrating mode, the side wall of the air pumping cavity is provided with the air charging hole communicated with the inside of the air collecting cavity in a penetrating mode, the inner wall of the air collecting cavity is connected with the sliding plate in a sliding mode, and the inner wall of the air collecting cavity is fixedly provided with the two power receiving pieces.
The application method of the coal mining dust-proof system comprises the following steps:
step one: the screw rod is contracted, the equipment is rapidly transferred through the rolling of the roller wheels, the equipment is moved to an air suction position, and then the main fan is started to perform effective ventilation;
step two: starting a motor to drive a screw rod to rotate, and further enabling a sliding block to reciprocate, so that a dust removing shovel reciprocates to scratch and remove dust on a filter screen, the filter screen is ensured to be clean, and dust in a collecting tank is cleaned at regular time;
step three: the dust is more, at first strengthen the rotational speed of motor, realize the quick powerful to the dust, when the dust is serious, start the enhancement fan, carry out high-speed enhancement ventilation, realize that the air dust content reduces fast.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the screw rod is contracted, the equipment is rapidly transferred through the rolling of the roller, the movement is convenient, and when the equipment is placed, the screw rod is rotated to extend out, so that the sucking disc is grounded, the support at the bottom is effective and stable, the equipment is prevented from random rolling and shifting, and the equipment is stably placed;
2. in the invention, before the dust removing shovel contacts the baffle, the sealing plate enters the dust discharging groove, so that the dust discharging groove is isolated from the inside of the air box, then the dust removing shovel moves to push the baffle to deflect, and then the accumulated dust on the surface of the dust removing shovel can enter the collecting groove along the dust discharging groove, and the dust is stably transferred in the whole process, so that the interception ventilation capacity of the filter screen is ensured;
3. in the invention, when the dust in the air is larger, the output power of the motor is increased, the rotating speed is increased, so that the rotating speed of the screw rod is increased, the moving speed of the sliding block and the dust removing shovel is increased, the dust removing speed is improved, and the effective and rapid dust removal can be realized when the dust is relatively more;
4. in the invention, when the dust amount in the air flow is continuously large, the power-on sheet is connected, so that the reinforcing fan is started, the overall ventilation speed is improved, the air quality is further ensured, and the base is dithered up and down in a small amplitude in the rotating process of the rotating shaft, so that the stacking strength of dust on the surface of the filter screen can be reduced through the dithering of the base, the dust on the surface of the filter screen can not be blocked, and the dust can be scraped better.
Drawings
FIG. 1 is a schematic diagram of a dust prevention system for coal mining according to the present invention;
FIG. 2 is a half cross-sectional view of a dust protection system for coal mining in accordance with the present invention;
FIG. 3 is a top view of a dust suppression system for coal mining in accordance with the present invention;
FIG. 4 is a schematic structural view of a control box portion in a dust prevention system for coal mining according to the present invention;
fig. 5 is a schematic structural view of an electric connection ring part in a dust-proof system for coal mining.
In the figure: 1 base, 2 support, 3 bellows, 4 filter screens, 5 main fans, 6 reinforcing fans, 7 dust discharge grooves, 8 baffle plates, 9 motors, 10 screw rods, 11 sliding blocks, 12 sealing plates, 13 dust removal shovels, 14 regulation and control boxes, 15 electric connection rings, 16 collecting grooves, 17 rotating shafts, 18 fan blades, 19 rotating rods, 20 telescopic grooves, 21 connecting springs, 22 electric connection rods, 23 rotating blocks, 24 vibration springs, 25 carrying plates, 26 supporting rods, 27 hanging plates, 28 repulsive blocks, 29 thread grooves, 30 screw rods, 31 sucking discs, 32 rollers, 33 pumping chambers, 34 air collecting chambers, 35 rotating rods, 36 pumping springs, 37 piston plates, 38 air inlet holes, 39 exhaust holes, 40 sliding plates, 41 electric connection plates and 42 air charging holes.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1-5, a coal mining dust-proof system, including base 1, the bottom of base 1 is fixed with a plurality of supports 2, the upper end of base 1 is fixed with bellows 3, the inner wall of bellows 3 is fixed with filter screen 4, the inside of base 1 inlays and is equipped with main fan 5 and the reinforcing fan 6 with the inside switch-on of bellows 3, two dust exhaust groove 7 of symmetry setting have been seted up to the lateral wall of bellows 3, the inner wall of two dust exhaust groove 7 all is connected with baffle 8 through the torsional spring rotation, baffle 8 cuts off dust exhaust groove 7, collecting vat 16 that corresponds the switch-on with two dust exhaust groove 7 has been seted up to the upper end of base 1, the lateral wall of bellows 3 is fixed with motor 9, the output shaft of motor 9 is fixed with lead screw 10, lead screw 10 is reciprocating lead screw, the lateral wall that lead screw 10 runs through bellows 3, the lateral wall threaded connection of lead screw 10 has slider 11, the bottom of slider 11 is fixed with closing plate 12, the bottom of closing plate 12 is fixed with dust removal shovel 13, dust removal shovel 13 offsets with filter screen 4 surface, the inside of 3 is equipped with reinforcing mechanism, the lateral wall of 3 is fixed with regulation and control box 14, the inside of bellows 14 is equipped with the regulation and control mechanism, the bottom of bellows 14 is equipped with regulation and control mechanism, the bottom 1 is equipped with the regulation and control mechanism.
The clearance strengthening mechanism is including being fixed in two electric rings 15 that connect of bellows 3 inner wall, the upper end of base 1 runs through and rotates and be connected with pivot 17, the upper end of pivot 17 is fixed with flabellum 18, the circumference lateral wall of pivot 17 is fixed with bull stick 19, expansion groove 20 has been seted up to the lateral wall of bull stick 19, the inner wall of expansion groove 20 is connected with electric pole 22 through connecting spring 21, electric pole 22 and the lateral wall of two electric rings 15 all sliding connection, electric pole 22 is with two electric rings 15 electric switch-on, and electric pole 22 stretches out expansion groove 20 more and then the access resistance of two electric rings 15 is bigger, the lower output of motor 9, the rotational speed is less.
The shaking dust removing mechanism comprises two supporting rods 26, wherein carrying plates 25 are fixed on the side walls of the two supporting rods 26, vibrating springs 24 are fixed on the upper ends of the two carrying plates 25 and the bottom of the base 1 together, hanging plates 27 are fixed on the side walls of the two supporting rods 26 together, two repellent blocks 28 are fixed on the upper ends of the hanging plates 27, a plurality of rotating blocks 23 penetrate through the base 1 and are welded on the lower end of the rotating shaft 17, and the rotating blocks 23 and the repellent blocks 28 are electromagnets and repel each other after being electrified; the screw groove 29 has been seted up to the bottom of bracing piece 26, and the inner wall threaded connection of screw groove 29 has screw rod 30, and the bottom of screw rod 30 is fixed with sucking disc 31, and the bottom of support 2 is fixed with gyro wheel 32.
The regulating mechanism comprises a pumping cavity 33 and an air collecting cavity 34 which are arranged in the regulating box 14, the screw rod 10 penetrates through the side wall of the regulating box 14 and extends into the pumping cavity 33, a rotating bar 35 is fixed on the circumferential side wall of one section of the screw rod 10 positioned in the pumping cavity 33, the bottom of the pumping cavity 33 is connected with a piston plate 37 through a pumping spring 36, the piston plate 37 is in sealing sliding connection with the inner wall of the pumping cavity 33, and the piston plate 37 and the rotating bar 35 are permanent magnets and mutually repel each other when being close to each other.
The bottom of the air pumping cavity 33 is provided with an air inlet 38 in a penetrating way, the bottom of the air collecting cavity 34 is provided with an air outlet 39 in a penetrating way, the side wall of the air pumping cavity 33 is provided with an air charging hole 42 communicated with the inside of the air collecting cavity 34 in a penetrating way, the inner wall of the air collecting cavity 34 is connected with a sliding plate 40 in a sliding way, the sliding plate 40 is connected with the inner wall of the air collecting cavity 34 in a sealing sliding way, the inner wall of the air collecting cavity 34 is fixedly provided with two electric connecting pieces 41, and the air inlet 38 and the inside of the air charging hole 42 are both provided with one-way valves.
The application method of the coal mining dust-proof system comprises the following steps:
step one: the screw 30 is contracted, the rapid transfer of the equipment is realized through the rolling of the roller 32, the equipment is moved to an air draft position, then the main fan 5 is started to perform effective ventilation, and when the equipment is placed, the screw 30 is rotated to extend out, so that the sucker 31 is grounded, the support at the bottom is effective and stable, and random rolling and displacement of the equipment are avoided;
step two: starting a motor 9 to drive a screw rod 10 to rotate, and further enabling a sliding block 11 to reciprocate, so that a dust removing shovel 13 reciprocates to finish scraping and dust removing of a filter screen 4, cleanliness of the filter screen 4 is guaranteed, dust in a collecting tank 16 is cleaned regularly, when the dust removing shovel 13 moves into a dust discharging tank 7, more dust is accumulated on the surface, before the dust removing shovel 13 contacts a baffle plate 8, a sealing plate 12 enters the dust discharging tank 7, so that the dust discharging tank 7 is isolated from the inside of a bellows 3, then the dust removing shovel 13 moves to push the baffle plate 8 to deflect, and then accumulated dust on the surface of the dust removing shovel 13 can enter the collecting tank 16 along the dust discharging tank 7, dust is stably transferred in the whole process, and interception ventilation capacity of the filter screen 4 is guaranteed;
step three: the dust is more, the rotating speed of the motor 9 is enhanced, the dust is fast and powerful, when the dust is serious, the reinforcing fan 6 is started to perform high-speed reinforced ventilation, the dust content of the air is fast reduced, the fan blade 18 is driven to rotate by the airflow of the airflow, so that the rotating shaft 17 rotates, the rotating rod 19 continuously rotates, the connecting spring 21 is stretched by the electric pole 22 under the action of centrifugal force, the telescopic groove 20 is greatly stretched out, when the dust in the air is large, the dust accumulation speed on the surface of the filter screen 4 is fast, the ash removal speed is slow, the airflow passing through the filter screen 4 is reduced, the rotating speed of the fan blade 18 is reduced, the electric pole 22 is retracted into the telescopic groove 20 to a certain extent, the access resistance value of the electric ring 15 is reduced, the output power of the motor 9 is increased, the rotating speed of the lead screw 10 is increased, the moving speed of the sliding block 11 and the dust removing shovel 13 is increased, the dust scraping speed is increased, and the effective and fast dust removal can be still performed when the dust is relatively more.
When the screw rod 10 rotates, the rotating rod 35 is driven to rotate, the rotating rod 35 intermittently repels the piston plate 37, external air is sucked in through the air inlet hole 38 by combining the air pumping spring 36, the air collecting cavity 34 is filled with air through the air filling hole 42, when the screw rod 10 rotates at a constant speed, the air flow can be timely discharged through the air outlet hole 39, when the screw rod 10 rotates at a high speed, the air outlet hole 39 is slower in air discharging speed, the sliding plate 40 is driven to move upwards by air pressure, and finally, the two electric connection pieces 41 are electrically connected, so that when the dust amount in the air flow is continuously large, the electric connection pieces 41 are connected, the reinforced fan 6 is started, the integral ventilation speed is improved, and the air quality is ensured;
in the rotating process of the rotating shaft 17, the rotating block 23 rotates along with the rotating shaft, and is intermittently close to the repelling block 28, so that the rotating block 23 can be intermittently driven by magnetic force to push the base 1 to move upwards, and the base 1 is slightly dithered up and down in the rotating process of the rotating shaft 17, so that the stacking strength of dust on the surface of the filter screen 4 can be reduced through self dithering, the dust on the surface of the filter screen 4 can not be blocked, and the dust can be scraped better.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The utility model provides a coal mining dust protection system, includes base (1), its characterized in that, the bottom of base (1) is fixed with a plurality of supports (2), the upper end of base (1) is fixed with bellows (3), the inner wall of bellows (3) is fixed with filter screen (4), the inside of base (1) inlay have with main fan (5) and the enhancement fan (6) of bellows (3) inside switch-on, two dust exhaust groove (7) of symmetry setting have been seted up to the lateral wall of bellows (3), two the inner wall of dust exhaust groove (7) all is connected with baffle (8) through the torsional spring rotation, collecting vat (16) of corresponding switch-on with two dust exhaust groove (7) have been seted up to the upper end of base (1), the lateral wall of bellows (3) is fixed with motor (9), the output shaft of motor (9) is fixed with lead screw (10), the lateral wall threaded connection of lead screw (10) runs through the lateral wall of bellows (3), the lateral wall of lead screw (11) is fixed with slider (12), the bottom of slider (11) is fixed with closing plate (12), closing plate (13) are fixed with the inside of bellows (3) has the closing plate (14), the bottom of the base (1) is provided with a shaking dust removing mechanism;
the cleaning and reinforcing mechanism comprises two electric connection rings (15) fixed on the inner wall of the bellows (3), the upper end of the base (1) is connected with a rotating shaft (17) in a penetrating and rotating mode, the upper end of the rotating shaft (17) is fixedly provided with fan blades (18), the circumferential side wall of the rotating shaft (17) is fixedly provided with a rotating rod (19), the side wall of the rotating rod (19) is provided with a telescopic groove (20), the inner wall of the telescopic groove (20) is connected with an electric connection rod (22) through a connecting spring (21), the electric connection rod (22) is in sliding connection with the side walls of the two electric connection rings (15), the electric connection rod (22) stretches the connecting spring (21) under the action of centrifugal force to greatly extend out of the telescopic groove (20), and the electric connection rod (22) is electrically connected with the two electric connection rings (15), the larger the connection resistance value of the electric connection rod (22) is, the lower the output power of the motor (9) is, and the rotating speed is lower;
the shaking dust removing mechanism comprises two supporting rods (26), wherein carrying plates (25) are respectively fixed on the side walls of the two supporting rods (26), vibrating springs (24) are respectively and jointly fixed on the upper ends of the two carrying plates (25) and the bottom of a base (1), hanging plates (27) are jointly fixed on the side walls of the two supporting rods (26), two repelling blocks (28) are fixedly arranged at the upper ends of the hanging plates (27), a plurality of rotating blocks (23) penetrate through the base (1) and are welded at the lower ends of rotating shafts (17), and the rotating blocks (23) and the repelling blocks (28) are electromagnets and repel each other after being electrified;
the regulating mechanism comprises a pumping cavity (33) and an air collecting cavity (34) which are arranged inside a regulating box (14), the screw rod (10) penetrates through the side wall of the regulating box (14) and extends into the pumping cavity (33), a rotating strip (35) is fixed on the circumferential side wall of one section of the screw rod (10) positioned inside the pumping cavity (33), a piston plate (37) is connected to the bottom of the pumping cavity (33) through a pumping spring (36), and the piston plate (37) and the rotating strip (35) are permanent magnets and are mutually repelled when being close to each other.
2. The coal mining dust prevention system according to claim 1, wherein a thread groove (29) is formed in the bottom of the supporting rod (26), a screw (30) is connected to the inner wall of the thread groove (29) in a threaded mode, a sucker (31) is fixed to the bottom of the screw (30), and a roller (32) is fixed to the bottom of the support (2).
3. The coal mining dustproof system according to claim 1, wherein an air inlet hole (38) is formed in the bottom of the air pumping cavity (33) in a penetrating mode, an air outlet hole (39) is formed in the bottom of the air collecting cavity (34) in a penetrating mode, an air charging hole (42) communicated with the inside of the air collecting cavity (34) is formed in the side wall of the air pumping cavity (33) in a penetrating mode, a sliding plate (40) is connected to the inner wall of the air collecting cavity (34) in a sliding mode, and two electricity connecting pieces (41) are fixed to the inner wall of the air collecting cavity (34).
4. A method of using a dust protection system for coal mining according to any one of claims 1 to 3, comprising the steps of:
step one: the screw (30) is contracted, the equipment is rapidly transferred through the rolling of the roller (32), the equipment is moved to an air suction position, and then the main fan (5) is started to perform effective ventilation;
step two: starting a motor (9) to drive a screw rod (10) to rotate, and further enabling a sliding block (11) to reciprocate, so that a dust removing shovel (13) reciprocates to scratch and remove dust on a filter screen (4), the filter screen (4) is ensured to be clean, and dust in a collecting tank (16) is cleaned at regular time;
step three: the dust is more, at first strengthen the rotational speed of motor (9), realize the quick powerful to the dust, when the dust is serious, start reinforcing fan (6), carry out high-speed enhancement ventilation, realize that the air dust content reduces fast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111583220.8A CN114251117B (en) | 2021-12-22 | 2021-12-22 | Coal mining dustproof system and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111583220.8A CN114251117B (en) | 2021-12-22 | 2021-12-22 | Coal mining dustproof system and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114251117A CN114251117A (en) | 2022-03-29 |
| CN114251117B true CN114251117B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111583220.8A Active CN114251117B (en) | 2021-12-22 | 2021-12-22 | Coal mining dustproof system and application method thereof |
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| CN115121437A (en) * | 2022-08-29 | 2022-09-30 | 南通励远安全用品有限公司 | Latex labor protection glove impregnation device with accelerated setting function |
| CN116404838B (en) * | 2023-04-13 | 2023-10-27 | 江苏华源防爆电机有限公司 | Permanent magnet synchronous driving motor capable of enhancing driving force |
| CN117027911B (en) * | 2023-09-11 | 2024-02-06 | 邯郸市博鑫机械设备有限公司 | KCSY mining pneumatic liquid-feeding type orifice dust removing device |
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| JPH08218799A (en) * | 1995-02-09 | 1996-08-27 | Kajima Corp | Dust collector for tunnel construction work |
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| CN109869181A (en) * | 2019-04-18 | 2019-06-11 | 代连朋 | A kind of dust removing down-hole of coal mine device |
| CN210889385U (en) * | 2019-09-19 | 2020-06-30 | 侯智杰 | Coal mine electromechanical equipment for coal mining |
| CN111535846B (en) * | 2020-06-22 | 2022-04-26 | 于晓晓 | Method capable of stabilizing wind flow for tunnel construction |
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