CN113522435A - Underground variable-diameter negative pressure dust collection crusher for coal mine and using method thereof - Google Patents
Underground variable-diameter negative pressure dust collection crusher for coal mine and using method thereof Download PDFInfo
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- CN113522435A CN113522435A CN202110885959.8A CN202110885959A CN113522435A CN 113522435 A CN113522435 A CN 113522435A CN 202110885959 A CN202110885959 A CN 202110885959A CN 113522435 A CN113522435 A CN 113522435A
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- 239000000428 dust Substances 0.000 title claims abstract description 41
- 239000003245 coal Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 230000009467 reduction Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000001603 reducing effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 230000005574 cross-species transmission Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses an underground variable-diameter negative-pressure dust collection crusher for a coal mine and a using method thereof. The underground material crushing device can be used for crushing underground materials, and is realized by rolling through the two crushing wheels, the crushing efficiency is high, and the crushing wheels are driven by the speed reduction driving mechanism of the crushing wheels, so that the rotating speed of the crushing wheels can be reduced, and the crushing force of crushing is improved; be provided with two negative pressure dust absorption mechanisms, can carry out the negative pressure dust absorption to the casing both sides, can provide the water conservancy diversion to the raise dust that produces, avoid the raise dust to spill over, it is dustproof effectual, avoid causing the injury to operating personnel.
Description
Technical Field
The invention relates to a crusher and a using method thereof, in particular to an underground variable-diameter negative pressure dust collection crusher for a coal mine and a using method thereof, and belongs to the technical field of crusher application.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines; when the coal bed is far away from the ground surface, a tunnel is excavated to the underground to mine coal, which is a mineworker coal mine; when the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine.
When an underground coal mine needs to be mined, a crusher is generally needed to crush the underground coal mine, so that the volume of the material is reduced; when the existing crusher is used, raised dust is easy to generate, and the damage to operators is large. Therefore, the underground variable-diameter negative pressure dust suction crusher for the coal mine and the using method thereof are provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems and provide a downhole variable-diameter negative pressure dust suction crusher for a coal mine and a using method thereof.
The invention realizes the purpose through the following technical scheme, and the underground variable-diameter negative pressure dust absorption crusher for the coal mine comprises a shell, wherein two support frames are fixedly arranged on two sides of the shell, a closed blanking bearing moving platform is arranged at the bottom of the shell and comprises a bearing plate, elastic bearing wheels are arranged at four corners of the bottom of the bearing plate, a positioning frame is fixedly arranged at the top of the bearing plate, a sealing gasket is fixedly arranged at the top of the positioning frame, and a charging box is arranged in the positioning frame;
two rotating shafts are rotatably arranged in the shell, crushing wheels are fixedly sleeved on the two rotating shafts, a crushing inter-groove is formed between the two crushing wheels, and a crushing wheel speed reduction driving mechanism is fixedly arranged on the front surface of the shell;
the both sides of casing all are provided with negative pressure dust absorption mechanism, one side fixed intercommunication of negative pressure dust absorption mechanism has the takeover, takeover one end and casing fixed intercommunication, the tip fixed mounting of takeover has dustproof wire netting.
Preferably, the support frame is composed of a connecting rod, a supporting rod, a base and a reinforcing rib plate, the connecting rod is vertically and fixedly connected with the top end of the supporting rod, the bottom end of the supporting rod is fixedly connected with the base, and the reinforcing rib plate is fixedly installed between the connecting rod and the shell.
Preferably, the elastic bearing wheel comprises a caster wheel, a groove and a spring, the groove is formed in the bottom of the bearing plate, the spring is fixedly installed in the groove, the top of the caster wheel is embedded with the groove, and the top of the caster wheel is fixedly connected with the bottom end of the spring.
Preferably, the top of the crushing wheel is provided with two first guide plates, the two first guide plates are fixedly connected with the inner wall of the shell, and a feeding chute is formed between the two first guide plates.
Preferably, the bottom of the crushing wheel is provided with two second material guide plates, the two second material guide plates are fixedly connected with the inner wall of the shell, and a discharge chute is formed between the two second material guide plates.
Preferably, broken wheel reduction actuating mechanism includes safety cover and the second motor of fixed mounting in safety cover one side, the internal rotation of safety cover installs the worm that two symmetries set up, and through the connecting axle rigid coupling between two worms, worm wheel and pivot are fixed to be cup jointed, and worm wheel and worm meshing, the output shaft and the worm one end fixed connection of second motor.
Preferably, negative pressure dust absorption mechanism comprises standpipe, seal closure, negative pressure fan and high efficiency filter, the standpipe is connected with the takeover, the bottom and the seal closure threaded connection of standpipe, negative pressure fan fixed mounting is on the top of standpipe, high efficiency filter fixed mounting is in the inside of standpipe.
Preferably, the negative pressure fan comprises shell, mount, first motor and centrifugal impeller, mount fixed mounting is inside the shell, first motor fixed mounting is in the mount middle part, the output shaft of first motor and centrifugal impeller middle part fixed cup joint.
Preferably, a plurality of anti-skidding grooves are uniformly formed in the outer ring of the sealing cover.
Preferably, the underground variable-diameter negative pressure dust suction crusher for the coal mine is a use method of the underground variable-diameter negative pressure dust suction crusher for the coal mine, and the use method comprises the following steps:
firstly, feeding, wherein workers pour materials through the top of the shell and enter between the two crushing wheels through a feeding chute under the guidance of a first material guide plate;
secondly, crushing the materials, wherein after the materials enter, the second motor drives the worm to rotate, and the two rotating shafts are driven through the speed reducing action of the worm wheel and the worm, so that the two crushing wheels rotate together to crush the materials, and the crushed materials are guided by the second guide plate and leave from the discharge chute;
thirdly, negative pressure is used for dust prevention, the first motor drives the centrifugal impeller to rotate, so that negative pressure is generated, raised dust in the shell enters the connecting pipe through the dustproof wire mesh, then enters the vertical pipe, is gathered, falls to the bottom of the vertical pipe, is blocked through the high-efficiency filter, and is prevented from entering the negative pressure fan, and the protection effect is achieved;
fourthly, replacing the charging box, enabling the crushed materials to fall into the charging box for gathering, moving the charging box through a trundle by pushing the positioning frame when the charging box is full, taking out the charging box to replace a new charging box, pushing the charging box into the bottom of the shell again to receive the materials, providing pressure for the positioning frame through a spring when receiving the materials, matching the shell, clamping a sealing washer and improving the sealing between the two parts;
and fifthly, maintenance, namely after the device is used, the bottom of the vertical pipe can be opened by unscrewing the sealing cover, dust can be discharged, cleaning is carried out, and after cleaning, the sealing cover is screwed up and closed.
The invention has the beneficial effects that:
1. the underground crusher for the coal mine and the using method thereof can be used for crushing underground materials, the crushing is realized by rolling through the two crushing wheels, the crushing efficiency is high, the crushing wheels are driven by the speed reduction driving mechanism of the crushing wheels, the rotating speed of the crushing wheels can be reduced, and the crushing force of the crushing is improved;
2. the underground crusher for the coal mine and the using method thereof are provided with the two negative pressure dust collection mechanisms, so that negative pressure dust collection can be carried out on two sides of the shell, flow guide can be provided for generated raised dust, the raised dust is prevented from overflowing, the dustproof effect is good, and the injury to operators is avoided;
3. the underground crusher for the coal mine and the using method of the underground crusher for the coal mine bear the load of the charging box through the closed blanking bearing moving platform, the charging box is convenient to move and replace, and when the underground crusher is placed at the bottom of the shell, pressure can be provided through the elastic bearing wheels, so that the sealing washer is clamped, the sealing performance is improved, and the overflow of dust at the bottom of the shell is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing according to the present invention;
FIG. 3 is a schematic view of a negative pressure fan according to the present invention;
fig. 4 is a schematic view of the internal structure of the protective cover of the present invention.
In the figure: 1. the device comprises a shell, 2, a connecting rod, 3, a supporting rod, 4, a base, 5, a reinforcing rib plate, 6, a connecting pipe, 7, a vertical pipe, 8, a sealing cover, 9, a negative pressure fan, 901, a shell, 902, a fixing frame, 903, a first motor, 904, a centrifugal impeller, 10, a protective cover, 11, a second motor, 12, a bearing plate, 13, a positioning frame, 14, a caster, 15, a rotating shaft, 16, a dustproof wire netting, 17, a charging box, 18, a spring, 19, a crushing wheel, 20, a first material guide plate, 21, a second material guide plate, 22, a high-efficiency filter, 23, a worm, 24, a connecting shaft, 25, a worm wheel, 26 and a sealing gasket.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, an underground variable-diameter negative pressure dust-collecting crusher for a coal mine comprises a housing 1, two support frames are fixedly mounted on both sides of the housing 1, a closed blanking bearing moving platform is arranged at the bottom of the housing 1, the closed blanking bearing moving platform comprises a bearing plate 12, elastic bearing wheels are mounted at four corners of the bottom of the bearing plate 12, a positioning frame 13 is fixedly mounted at the top of the bearing plate 12, a sealing gasket 26 is fixedly mounted at the top of the positioning frame 13, and a charging box 17 is arranged inside the positioning frame 13;
two rotating shafts 15 are rotatably mounted in the shell 1, crushing wheels 19 are fixedly sleeved on the two rotating shafts 15, a crushing intermediate groove is formed between the two crushing wheels 19, and a crushing wheel speed reduction driving mechanism is fixedly mounted on the front surface of the shell 1;
the both sides of casing 1 all are provided with negative pressure dust absorption mechanism, the fixed intercommunication in one side of negative pressure dust absorption mechanism has takeover 6, take over 6 one end and the fixed intercommunication of casing 1, the tip fixed mounting of takeover 6 has dustproof wire netting 16.
The support frame is composed of a connecting rod 2, a supporting rod 3, a base 4 and a reinforcing rib plate 5, the connecting rod 2 is vertically and fixedly connected with the top end of the supporting rod 3, the bottom end of the supporting rod 3 is fixedly connected with the base 4, and the reinforcing rib plate 5 is fixedly arranged between the connecting rod 2 and the shell 1 to play a role of supporting, so that the shell 1 is overhead; the elastic bearing wheel comprises a caster wheel 14, a groove and a spring 18, the groove is formed in the bottom of the bearing plate 12, the spring 18 is fixedly installed in the groove, the top of the caster wheel 14 is embedded with the groove, the top of the caster wheel 14 is fixedly connected with the bottom end of the spring 18, the caster wheel can move, and elasticity can be provided for the bearing plate 12 through the spring 18; the top of the crushing wheel 19 is provided with two first material guide plates 20, the two first material guide plates 20 are fixedly connected with the inner wall of the shell 1, a feeding chute is formed between the two first material guide plates 20, and the feeding chute is used for feeding materials; the bottom of the crushing wheel 19 is provided with two second material guide plates 21, the number of the second material guide plates 21 is two, the two second material guide plates 21 are fixedly connected with the inner wall of the shell 1, a discharge chute is formed between the two second material guide plates 21, and the discharge chute is used for discharging crushed materials; the crushing wheel speed reduction driving mechanism comprises a protective cover 10 and a second motor 11 fixedly installed on one side of the protective cover 10, two worms 23 which are symmetrically arranged are rotatably installed inside the protective cover 10, the two worms 23 are fixedly connected through a connecting shaft 24, the worm wheel 25 is fixedly sleeved with the rotating shaft 15, the worm wheel 25 is meshed with the worms 23, an output shaft of the second motor 11 is fixedly connected with one end of each worm 23, and the crushing wheel speed reduction driving mechanism can drive the crushing wheel 19 and crush materials; the negative pressure dust collection mechanism is composed of a vertical pipe 7, a sealing cover 8, a negative pressure fan 9 and a high efficiency filter 22, wherein the vertical pipe 7 is connected with a connecting pipe 6, the bottom end of the vertical pipe 7 is in threaded connection with the sealing cover 8, the negative pressure fan 9 is fixedly installed at the top end of the vertical pipe 7, and the high efficiency filter 22 is fixedly installed inside the vertical pipe 7 and can generate negative pressure to collect dust; the negative pressure fan 9 is composed of a shell 901, a fixing frame 902, a first motor 903 and a centrifugal impeller 904, wherein the fixing frame 902 is fixedly installed inside the shell 901, the first motor 903 is fixedly installed in the middle of the fixing frame 902, an output shaft of the first motor 903 is fixedly sleeved with the middle of the centrifugal impeller 904, and the negative pressure fan 9 can generate air flow to form negative pressure; a plurality of anti-slip grooves are uniformly formed in the outer ring of the sealing cover 8, the anti-slip grooves improve the friction force of holding, and the sealing cover 8 can rotate conveniently.
A downhole variable-diameter negative pressure dust suction crusher for a coal mine is a use method of the downhole variable-diameter negative pressure dust suction crusher for the coal mine, and the use method comprises the following steps:
firstly, feeding, wherein a worker pours materials through the top of the shell 1 and enters between the two crushing wheels 19 through a feeding chute by the guidance of a first material guide plate 20;
secondly, crushing the materials, wherein after the materials enter, the second motor 11 drives the worm 23 to rotate, and the two rotating shafts 15 are driven through the speed reducing action of the worm wheel 25 and the worm 23, so that the two crushing wheels 19 rotate together to crush the materials, and the crushed materials are guided by the second guide plate 21 to leave from the discharge chute;
thirdly, negative pressure is used for dust prevention, the first motor 903 drives the centrifugal impeller 904 to rotate, so that negative pressure is generated, raised dust in the shell 1 enters the connecting pipe 6 through the dust-proof wire mesh 16, then enters the vertical pipe 7, is gathered, falls to the bottom of the vertical pipe 7, is blocked through the high-efficiency filter 22, and is prevented from entering the negative pressure fan 9, and the protection effect is achieved;
fourthly, the charging box 17 is replaced, the crushed materials fall into the charging box 17 to be gathered, when the charging box is full, the positioning frame 13 is pushed to move through the trundles 14, the charging box 17 is taken out to be replaced by a new charging box 17, the charging box is pushed into the bottom of the shell 1 again to be charged, when the charging is carried out, pressure is provided for the positioning frame 13 through the springs 18, the shell 1 is matched, the sealing gaskets 26 are clamped, and sealing between the charging box and the charging box is improved;
and fifthly, maintenance, after the device is used, the bottom of the vertical pipe 7 can be opened by unscrewing the sealing cover 8, dust can be discharged, cleaning is carried out, and after cleaning, the sealing cover 8 is screwed up for sealing.
It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a but, reducing negative pressure dust absorption breaker in pit for colliery which characterized in that: the blanking device comprises a shell (1), two support frames are fixedly mounted on two sides of the shell (1), a closed blanking bearing moving platform is arranged at the bottom of the shell (1), the closed blanking bearing moving platform comprises a bearing plate (12), elastic bearing wheels are mounted at four corners of the bottom of the bearing plate (12), a positioning frame (13) is fixedly mounted at the top of the bearing plate (12), a sealing washer (26) is fixedly mounted at the top of the positioning frame (13), and a charging box (17) is arranged inside the positioning frame (13);
two rotating shafts (15) are rotatably mounted in the shell (1), crushing wheels (19) are fixedly sleeved on the two rotating shafts (15), a crushing intermediate groove is formed between the two crushing wheels (19), and a crushing wheel speed reduction driving mechanism is fixedly mounted on the front surface of the shell (1);
the both sides of casing (1) all are provided with negative pressure dust absorption mechanism, the fixed intercommunication in one side of negative pressure dust absorption mechanism has takeover (6), takeover (6) one end and the fixed intercommunication of casing (1), the tip fixed mounting of takeover (6) has dustproof wire netting (16).
2. The underground variable-diameter negative pressure suction crusher for the coal mine according to claim 1, wherein: the support frame comprises a connecting rod (2), a supporting rod (3), a base (4) and a reinforcing rib plate (5), wherein the connecting rod (2) is fixedly connected with the top end of the supporting rod (3) vertically, the bottom end of the supporting rod (3) is fixedly connected with the base (4), and the reinforcing rib plate (5) is fixedly arranged between the connecting rod (2) and the shell (1).
3. The underground variable-diameter negative pressure suction crusher for the coal mine according to claim 1, wherein: the elastic bearing wheel comprises a caster (14), a groove and a spring (18), the groove is formed in the bottom of the bearing plate (12), the spring (18) is fixedly installed in the groove, the top of the caster (14) is embedded with the groove, and the top of the caster (14) is fixedly connected with the bottom end of the spring (18).
4. The underground variable-diameter negative pressure suction crusher for the coal mine according to claim 1, wherein: the top of the crushing wheel (19) is provided with two first material guide plates (20), the two first material guide plates (20) are fixedly connected with the inner wall of the shell (1), and a feeding chute is formed between the two first material guide plates (20).
5. The underground variable-diameter negative pressure suction crusher for the coal mine according to claim 1, wherein: the bottom of the crushing wheel (19) is provided with two second material guide plates (21), the number of the second material guide plates (21) is two, the two second material guide plates (21) are fixedly connected with the inner wall of the shell (1), and a discharge chute is formed between the two second material guide plates (21).
6. The underground variable-diameter negative pressure suction crusher for the coal mine according to claim 1, wherein: broken wheel reduction actuating mechanism includes second motor (11) of safety cover (10) and fixed mounting in safety cover (10) one side, the inside rotation of safety cover (10) installs worm (23) that two symmetries set up, and through connecting axle (24) rigid coupling between two worm (23), worm wheel (25) and pivot (15) are fixed to be cup jointed, and worm wheel (25) and worm (23) meshing, the output shaft and worm (23) one end fixed connection of second motor (11).
7. The underground variable-diameter negative pressure suction crusher for the coal mine according to claim 1, wherein: negative pressure dust absorption mechanism comprises standpipe (7), seal closure (8), negative pressure fan (9) and high efficiency filter (22), standpipe (7) are connected with takeover (6), the bottom and seal closure (8) threaded connection of standpipe (7), negative pressure fan (9) fixed mounting is on the top of standpipe (7), high efficiency filter (22) fixed mounting is in the inside of standpipe (7).
8. The downhole variable-diameter vacuum suction crusher for coal mines as set forth in claim 7, wherein: the negative pressure fan (9) is composed of a shell (901), a fixing frame (902), a first motor (903) and a centrifugal impeller (904), the fixing frame (902) is fixedly installed inside the shell (901), the first motor (903) is fixedly installed in the middle of the fixing frame (902), and an output shaft of the first motor (903) is fixedly sleeved with the middle of the centrifugal impeller (904).
9. The underground variable-diameter negative pressure suction crusher for the coal mine according to claim 1, wherein: and a plurality of anti-skidding grooves are uniformly formed in the outer ring of the sealing cover (8).
10. A downhole variable-diameter vacuum suction crusher for a coal mine according to claims 1-9 resulting in a method of using a downhole variable-diameter vacuum suction crusher for a coal mine, characterized by: the using method comprises the following steps:
firstly, feeding, wherein a worker pours materials through the top of the shell (1) and enters between the two crushing wheels (19) through a feeding chute by the guidance of a first material guide plate (20);
secondly, crushing the materials, wherein after the materials enter, the second motor (11) drives the worm (23) to rotate, the two rotating shafts (15) are driven through the speed reduction action of the worm wheel (25) and the worm (23), so that the two crushing wheels (19) rotate together to crush the materials, and the crushed materials are guided by the second guide plate (21) and leave from the discharge chute;
thirdly, negative pressure is used for dust prevention, the first motor (903) drives the centrifugal impeller (904) to rotate, so that negative pressure is generated, raised dust in the shell (1) enters the connecting pipe (6) through the dust-proof wire netting (16), then enters the vertical pipe (7), is gathered and falls to the bottom of the vertical pipe (7), is separated through the high-efficiency filter (22), and is prevented from entering the negative pressure fan (9) to play a role in protection;
fourthly, the charging box (17) is replaced, the crushed materials fall into the charging box (17) to be gathered, when the charging box is full, the positioning frame (13) is pushed to move through the caster (14), the charging box (17) is taken out to be replaced with a new charging box (17), the charging box is pushed into the bottom of the shell (1) again to receive the materials, when the receiving materials are carried out, the spring (18) provides pressure for the positioning frame (13), the shell (1) is matched, the sealing washer (26) is clamped, and sealing between the positioning frame and the charging box is improved;
and fifthly, maintenance, wherein after the device is used, the bottom of the vertical pipe (7) can be opened by unscrewing the sealing cover (8), dust can be discharged, cleaning is carried out, and after cleaning, the sealing cover (8) is screwed up and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110885959.8A CN113522435A (en) | 2021-08-03 | 2021-08-03 | Underground variable-diameter negative pressure dust collection crusher for coal mine and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110885959.8A CN113522435A (en) | 2021-08-03 | 2021-08-03 | Underground variable-diameter negative pressure dust collection crusher for coal mine and using method thereof |
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| CN113522435A true CN113522435A (en) | 2021-10-22 |
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| CN202110885959.8A Pending CN113522435A (en) | 2021-08-03 | 2021-08-03 | Underground variable-diameter negative pressure dust collection crusher for coal mine and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134744A (en) * | 2021-12-09 | 2022-03-04 | 邵阳佰龙竹木有限责任公司 | Bamboo wood waste material crushing and pulping device |
| CN114917993A (en) * | 2022-04-05 | 2022-08-19 | 河南焦煤能源有限公司古汉山矿 | Multifunctional crushing device with dust suppression protection special for underground coal mine excavation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114917993A (en) * | 2022-04-05 | 2022-08-19 | 河南焦煤能源有限公司古汉山矿 | Multifunctional crushing device with dust suppression protection special for underground coal mine excavation |
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