CN112727530A - Auxiliary device for coal mine operation - Google Patents
Auxiliary device for coal mine operation Download PDFInfo
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- CN112727530A CN112727530A CN202011501813.0A CN202011501813A CN112727530A CN 112727530 A CN112727530 A CN 112727530A CN 202011501813 A CN202011501813 A CN 202011501813A CN 112727530 A CN112727530 A CN 112727530A
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- dust
- box body
- area
- shaft
- screen
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention relates to the technical field of coal mine dust fall. The auxiliary device for coal mine operation comprises a movable box body, wherein an inlet and an outlet are formed in the box body, a fixed plate is arranged in the box body, the box body is divided into a dust suction area and a dust fall area by the fixed plate, the dust suction area is communicated with the inlet, and the dust fall area is communicated with the outlet; a through hole and a dust falling pipe are arranged on the fixing plate, the dust falling pipe is communicated with the through hole, and the dust falling pipe is positioned in the dust falling area; a negative pressure mechanism for introducing air in the well into the dust collection area is arranged in the dust collection area; still include the dust fall mechanism that carries out the dust fall to the intraductal air of dust fall and handle. The limited and moist problem in causing the well easily of scope of present dust fall mode dust fall has mainly been solved to this scheme.
Description
Technical Field
The invention relates to the technical field of coal mine dust fall.
Background
In coal mining, because the influence of operations such as drilling and chiseling can produce a lot of dusts in the well, these dusts fly in the air, just are inhaled the respiratory track by the staff very easily to cause harm to the human body, so carry out the dust fall to the mine in coal mining and handle very necessary.
At present, the dust fall treatment is generally to install a spray head in a mine tunnel and carry out dust fall through water mist; in the actual operation process, the range of adopting such dust fall mode dust fall on the one hand is limited, influences the dust fall effect, and on the other hand still can cause the interior moisture of well easily, influences staff's walking.
Disclosure of Invention
The invention aims to provide an auxiliary device for coal mine operation, which solves the problems that the existing dust fall mode is limited in dust fall range and moisture in a well is easily caused.
In order to achieve the above object, the basic scheme of the invention is as follows: an auxiliary device for coal mine operation comprises a movable box body, wherein an inlet and an outlet are formed in the box body, a fixing plate is arranged in the box body, the box body is divided into a dust suction area and a dust fall area by the fixing plate, the dust suction area is communicated with the inlet, and the dust fall area is communicated with the outlet; the dust settling pipe is communicated with the through hole and is positioned in the dust settling area; a negative pressure mechanism for introducing air in the well into the dust suction area is arranged in the dust suction area; still include the dust fall mechanism that carries out the dust fall to the intraductal air of dust fall and handle.
The advantages of the basic scheme are: according to the scheme, air in the well is introduced into the dust absorption area through the negative pressure mechanism, the air enters the dust fall pipe through the through hole, and the dust fall mechanism is used for performing dust fall treatment on the air, so that pure air is discharged through the outlet; compared with the prior art, the scheme collects the air with dust and introduces the air into the box body for uniform dust-settling treatment, ensures the comprehensiveness and effectiveness of the dust-settling treatment, and avoids the position limitation of the dust-settling treatment of the atomizing head in the prior art; in addition, the whole dust fall process is carried out in the box body, so that the moisture in the well is effectively avoided, and the walking smoothness of workers is guaranteed.
Further, the negative pressure mechanism comprises a motor fixedly connected in the box body and a round shaft which is symmetrically and rotatably connected on the fixing plate by taking the motor as a center, a rotating shaft is arranged on an output shaft of the motor, and a driving gear is arranged on the rotating shaft; a belt is sleeved between one circular shaft and the rotating shaft, and a driven gear meshed with the driving gear is arranged on the other circular shaft; and the two circular shafts are provided with negative pressure blades which are positioned in the dust suction area.
Through the arrangement, the output shaft of the motor drives the rotating shaft to rotate anticlockwise, the rotating shaft drives the driving gear to rotate anticlockwise, and the rotating shaft drives the round shaft above the rotating shaft to rotate anticlockwise through the belt; the circular shaft below the circular shaft is driven to rotate clockwise by the meshing of the driving gear and the driven gear; the two circular shafts drive the negative pressure blades to introduce air with dust in the well into the dust suction area, and the air enters the dust settling pipe through the through hole.
Furthermore, the two circular shafts penetrate through the fixing plate and extend into the dust falling area; the dust falling mechanism comprises dust falling parts which are symmetrically arranged in a dust falling area by taking a dust falling pipe as a center, wherein each dust falling part comprises a first screen plate, a plurality of first sector gears fixedly connected to a circular shaft and a plurality of sliding holes formed in the dust falling pipe; a rack meshed with the first sector gear is connected in the sliding hole in a sliding mode, a first spring is arranged between the rack and the dust falling pipe, and the rack is fixedly connected with the first screen plate; and the water guide part acts on the first screen plate.
Through the arrangement, during the rotation of the circular shaft, the circular shaft drives the first sector gear to rotate, the first sector gear is meshed with the rack to drive the rack to move towards the dust falling pipe, and the first spring is compressed; when the first sector gear is not meshed with the rack, the rack is reversely reset under the action of the first spring, so that the reciprocating motion of the rack is realized; because the rotation directions of the upper round shaft and the lower round shaft are opposite, the upper rack and the lower rack are continuously switched between opposite movement and movement in opposite directions.
When the upper rack and the lower rack move oppositely, the two first net plates move oppositely to enable the telescopic screen to contract; when the upper rack and the lower rack move in opposite directions, and when the upper rack and the lower rack move in opposite directions, the two first net plates move in opposite directions, so that the telescopic screen is expanded, and the shaking of the telescopic screen is realized.
During the contraction and expansion of the telescopic screen, clear water acts on the first screen plate through the water diversion part, so that the spraying action area of the clear water is enlarged under the action of the first screen plate, namely more dust acts in the dust falling pipe and on the telescopic screen plate, and the dust falling treatment is realized; during the dust settling treatment, dust is combined with water to form a mixture, and the mixture can be filtered through a telescopic screen; in addition, the mixture can be prevented from blocking the telescopic screen by shaking the telescopic screen; through the anti-blocking treatment to the telescopic screen, dust in longer and more stable filtered air is facilitated, the dust falling time is prolonged, and the dust falling stability is also improved.
Further, a plurality of guide grooves are formed in the first screen plate, the telescopic screen mesh slides in the guide grooves, and a second spring is arranged between the telescopic screen mesh and the guide grooves; the first screen plate is hinged with a linkage arm, and the free end of the linkage arm is hinged with the telescopic screen.
Through the arrangement, when the racks above and below move in opposite directions, the two first net plates move in opposite directions, so that the telescopic screen contracts and resets under the action of the second spring, namely the telescopic screen moves leftwards, and the moving direction of the telescopic screen is opposite to the flowing direction of air.
When the upper rack and the lower rack move in opposite directions, the two first net plates move in opposite directions, so that the telescopic screen is opened, and the shaking of the telescopic screen is realized; in addition, during the stretching of the telescopic screen, the telescopic screen is limited by the linkage arm to move in the guide groove, namely the telescopic screen moves rightwards, and the moving direction of the telescopic screen is the same as the flowing direction of air; and moreover, a triangular structure is formed by the telescopic screen, the linkage arm and the first screen plate, so that the stability of the structure is improved.
During the dust settling treatment in the dust settling pipe, the telescopic screen can be prevented from being blocked by the mixture through the shaking of the telescopic screen; in addition, when the telescopic screen moves leftwards, the movement direction of the telescopic screen is opposite to the flow direction of air, so that the action strength of the air acting on the telescopic screen can be enhanced, and the anti-blocking effect of the telescopic screen is further enhanced; in addition, during the telescopic screen moves to the right, the telescopic screen can endow the mixture on the surface of the telescopic screen with rightward movement inertia, and under the action of wind power, the separation of the mixture and the telescopic screen is facilitated, so that the anti-blocking effect of the telescopic screen is enhanced.
Further, the water diversion part comprises a water tank fixedly connected in the box body, a plurality of auxiliary blocks fixedly connected in the box body and a negative pressure hole formed in the rack, the water tank is connected with a plurality of corrugated pipes, and the corrugated pipes are communicated with the negative pressure hole; the auxiliary block is connected with the negative pressure hole in a sliding mode, and one end, far away from the auxiliary block, of the negative pressure hole is arranged towards the first screen plate.
Through the arrangement, when the rack above and the rack below move oppositely, the position of the auxiliary block in the negative pressure hole changes during the movement of the rack, namely the auxiliary block is far away from the dust-falling pipe, so that negative pressure is generated in the negative pressure hole, namely clean water in the water tank is sucked into the negative pressure hole through the corrugated pipe.
When the rack above and the rack below move in opposite directions, the position of the auxiliary block in the negative pressure hole changes, namely the auxiliary block is close to the dust falling pipe, so that air flow is generated in the negative pressure hole, and the air flow pushes clean water in the negative pressure hole to be sprayed out to act on the first screen plate.
Furthermore, an inclined second screen plate is arranged in the dust settling area, and the second screen plate is located between the dust settling pipe and the outlet.
Through the arrangement, the second screen plate can further filter the air, so that the mixture is collected into the box body, and the environmental pollution is avoided.
Further, a collecting tank is arranged at the bottom of the box body and is positioned between the dust falling pipe and the second screen plate; a driving bevel gear is arranged on the circular shaft, the bottom of the box body is rotatably connected with a first linkage shaft, a second linkage shaft and a guide wheel, and a driven bevel gear with a driving gear meshed with the driving bevel gear is arranged on the first linkage shaft; a second sector gear meshed with the driving gear is arranged on the second coupling shaft, and a steel wire rope is wound on and fixedly connected with the second coupling shaft; the second screen plate is provided with an inclined groove, a scraper abutting against the second screen plate is connected in the inclined groove in a sliding mode, and a third spring is arranged between the scraper and the inclined groove; the free end of the steel wire rope bypasses the guide wheel and is fixedly connected with the scraper.
Through the arrangement, after the mixture is subjected to anti-blocking treatment, the mixture can move rightwards continuously under the action of the airflow, and is shielded by the second screen plate, so that the mixture stays on the left side of the second screen plate, and pure air is discharged through the second screen plate and the outlet. During rotation of the circular shaft, the circular shaft drives the driving bevel gear to rotate, the driven bevel gear rotates through meshing of the driving bevel gear and the driven bevel gear, and then the first linkage shaft rotating shaft is driven, and the first linkage shaft drives the driving gear to rotate; when the driving gear is meshed with the second sector gear, the second sector gear drives the second linkage shaft to rotate; the second linkage shaft pulls the steel wire rope and winds the steel wire rope, so that the steel wire rope pulls the scraper to slide in the inclined groove, the mixture on the second screen plate is scraped by the scraper and pushed into the collecting groove to be collected, and the third spring is stretched.
When the driving gear is not meshed with the second sector gear, the scraper resets upwards under the action of the third spring, and the scraper pulls the second linkage shaft to rotate reversely through the steel wire rope to reset. And after the dust fall treatment is completed, the baffle is taken down from the recovery hole, so that the mixture in the collecting tank is convenient to clear.
Drawings
FIG. 1 is a front sectional view of an embodiment of an auxiliary device for coal mine operation according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an enlarged view of fig. 1 at B.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the dust collection device comprises a box body 1, an inlet 2, an outlet 3, a fixing plate 4, a dust suction area 5, a dust fall area 6, a through hole 7, a dust fall pipe 8, a motor 9, a round shaft 10, a driving gear 11, a belt 12, a driven gear 13, a negative pressure blade 14, a first screen plate 15, a first sector gear 16, a telescopic screen 17, a rack 18, a first spring 19, a second spring 20, a linkage arm 21, a water tank 22, an auxiliary block 23, a negative pressure hole 24, a corrugated pipe 25, a second screen plate 26, a collecting tank 27, a driving bevel gear 28, a first linkage shaft 29, a second linkage shaft 30, a driving gear 31, a driven bevel gear 32, a second sector gear 33, a steel wire rope 34, a scraper 35, a third spring 36 and a guide wheel 37.
Examples
Substantially as shown in figures 1, 2 and 3: an auxiliary device for coal mine operation comprises a box body 1, wherein the bottom of the box body 1 is provided with a running wheel, and the box body 1 is driven to move to a destination through the running wheel; an inlet 2 and an outlet 3 are formed in the box body 1, the inlet 2 is positioned on the left side of the box body 1, and the outlet 3 is positioned on the right side of the box body 1; a fixed plate 4 is fixedly connected in the box body 1, the box body 1 is divided into a dust absorption area 5 and a dust fall area 6 by the fixed plate 4, the dust absorption area 5 is communicated with the inlet 2, and the dust fall area 6 is communicated with the outlet 3. The fixing plate 4 is provided with a through hole 7, and the through hole 7 is in a necking shape from left to right, namely the width of the through hole 7 is gradually reduced from left to right for accelerating the flowing speed of air; a dust falling pipe 8 is fixedly connected to the fixing plate 4, the dust falling pipe 8 is communicated with the through hole 7, and the dust falling pipe 8 is located in the dust falling area 6.
A negative pressure mechanism for introducing air in the well into the dust suction area 5 is arranged in the dust suction area 5; the negative pressure mechanism comprises a motor 9 fixedly connected in the box body 1 and a round shaft 10 which is vertically and symmetrically connected on the fixing plate 4 in a rotating mode by taking the motor 9 as a center, a rotating shaft is fixedly connected on an output shaft of the motor 9, and a driving gear 11 is fixedly connected on the rotating shaft; a belt 12 is sleeved between the upper round shaft 10 and the rotating shaft, and a driven gear 13 meshed with the driving gear 11 is fixedly connected to the lower round shaft 10; the two circular shafts 10 are fixedly connected with negative pressure blades 14, and the negative pressure blades 14 are positioned in the dust suction area 5.
The dust settling device also comprises a dust settling mechanism for settling dust in the air in the dust settling pipe 8, and the two circular shafts 10 penetrate through the fixed plate 4 and extend into the dust settling area 6; the dust falling mechanism comprises dust falling parts which are symmetrically arranged in the dust falling area 6 by taking the dust falling pipe 8 as a center, the dust falling parts comprise first screen plates 15, a plurality of first sector gears 16 fixedly connected to the circular shaft 10 and a plurality of sliding holes formed in the dust falling pipe 8, the first screen plates 15 are positioned in the dust falling pipe 8, a telescopic screen 17 is arranged between the two first screen plates 15, and the telescopic screen 17 has elasticity; a plurality of guide grooves are formed in each of the two first screen plates 15, the telescopic screen 17 slides in the guide grooves, and a second spring 20 is fixedly connected between the telescopic screen 17 and the guide grooves; the first screen plate 15 is hinged with a linkage arm 21, and the free end of the linkage arm 21 is hinged with a telescopic screen 17. In the initial state, the retractable screen 17 is in the open state, and the second spring 20 is extended; a rack 18 meshed with the first sector gear 16 is connected in the sliding hole in a sliding mode, a first spring 19 is fixedly connected between the rack 18 and the dustfall pipe 8, and the rack 18 is fixedly connected with the first screen plate 15.
The water diversion part acts on the first screen plate 15 and comprises a water tank 22 fixedly connected in the box body 1, a plurality of auxiliary blocks 23 fixedly connected in the box body 1 and a negative pressure hole 24 arranged on the rack 18, the water tank 22 is fixedly connected with a plurality of corrugated pipes 25, the corrugated pipes 25 are fixedly connected with the rack 18, the corrugated pipes 25 are communicated with the negative pressure hole 24, and the corrugated pipes 25 can follow the rack 18; in this embodiment, the water tank 22 is communicated with a water inlet pipe passing through the tank body 1, and the water inlet pipe is in threaded connection with a sealing plate; when the device is applicable, adding a certain amount of clear water into the water tank 22 through the water inlet pipe, and sealing the water inlet pipe through the sealing plate after the adding is finished; the auxiliary block 23 is connected with the negative pressure hole 24 in a sliding mode, one end, far away from the auxiliary block 23, of the negative pressure hole 24 is arranged towards the first screen plate 15, and one end, far away from the auxiliary block 23, of the negative pressure hole 24 is in a necking shape.
An inclined second screen plate 26 is fixedly connected in the dust falling area 6, and specifically comprises: the second net plate 26 is obliquely arranged downwards from right to left, and the second net plate 26 is positioned between the dustfall pipe 8 and the outlet 3. A collecting groove 27 is formed in the bottom of the box body 1, and the collecting groove 27 is located between the dust settling pipe 8 and the second screen plate 26; a recovery hole communicated with the collecting tank 27 is formed in the box body 1, and a baffle is connected to the recovery hole in a threaded manner; a driving bevel gear 28 is fixedly connected to the lower circular shaft 10, the bottom of the box body 1 is rotatably connected with a first linkage shaft 29, a second linkage shaft 30 and a guide wheel 37, the first linkage shaft 29, the second linkage shaft 30 and the guide wheel 37 are all positioned in the dust falling area 6, and a driven bevel gear 32 with a driving gear 31 meshed with the driving bevel gear 28 is fixedly connected to the first linkage shaft 29; a second sector gear 33 meshed with the driving gear 31 is fixedly connected to the second coupling shaft 30, and a steel wire rope 34 is wound and fixedly connected to the second coupling shaft 30; the second screen plate 26 is provided with an inclined groove, a scraping plate 35 used for scraping the mixture of the dust and the water on the second screen plate 26 into the collecting groove 27 is connected in the inclined groove in a sliding manner, the scraping plate 35 is abutted against the second screen plate 26, and a third spring 36 is fixedly connected between the scraping plate 35 and the inclined groove; the free end of the wire rope 34 is fixedly connected with the scraper 35 by passing through the guide wheel 37.
The specific implementation process is as follows:
when in use, the box body 1 is driven to move to a destination by the running wheels; the motor 9 is driven, an output shaft of the motor 9 drives the rotating shaft to rotate anticlockwise, the rotating shaft drives the driving gear 11 to rotate anticlockwise, and the rotating shaft drives the round shaft 10 above the rotating shaft to rotate anticlockwise through the belt 12; the driving gear 11 is meshed with the driven gear 13 to drive the circular shaft 10 below to rotate clockwise; two circular shafts 10 drive negative pressure blades 14 to introduce air with dust in the well into the dust suction area 5, and the air enters the dust falling pipe 8 through the through hole 7, so that the dust in the air is adhered to the telescopic screen 17.
During the rotation of the round shaft 10, the round shaft 10 drives the first sector gear 16 to rotate, the rack 18 is driven to move towards the dust falling pipe 8 through the meshing of the first sector gear 16 and the rack 18, and the first spring 19 is compressed; when the first sector gear 16 is not meshed with the rack 18, the rack 18 is reversely reset under the action of the first spring 19, so that the reciprocating motion of the rack 18 is realized; because the upper circular shaft 10 and the lower circular shaft 10 rotate in opposite directions, the upper rack 18 and the lower rack 18 are continuously switched between opposite movement and opposite movement.
When the upper rack 18 and the lower rack 18 move oppositely, the two first net plates 15 move oppositely, so that the telescopic screen 17 contracts, the telescopic screen 17 is reset under the action of the second spring 20, namely the telescopic screen 17 moves leftwards, and the moving direction of the telescopic screen 17 is opposite to the flowing direction of air; during the movement of the rack 18, the position of the auxiliary block 23 in the negative pressure hole 24 changes, that is, the auxiliary block 23 is away from the dustfall pipe 8, so that a negative pressure is generated in the negative pressure hole 24, that is, clean water in the water tank 22 is sucked into the negative pressure hole 24 through the bellows 25.
When the upper rack 18 and the lower rack 18 move in opposite directions, the position of the auxiliary block 23 in the negative pressure hole 24 changes, namely the auxiliary block 23 is close to the dust falling pipe 8, so that air flow is generated in the negative pressure hole 24, the air flow pushes clean water in the negative pressure hole 24 to be sprayed and act on the first screen plate 15, the spraying action area of the clean water is enlarged under the action of the first screen plate 15, namely more dust acts on the dust falling pipe 8 and the telescopic screen 17, and therefore dust falling treatment is achieved; during the dust settling treatment, the dust is combined with water to form a mixture, and the mixture can be filtered through the telescopic screen 17; therefore, the scheme collects the air with dust and introduces the air into the box body 1 for uniform dust-settling treatment, so that the comprehensiveness and effectiveness of the dust-settling treatment are ensured; in addition, the whole dust fall process is carried out in the box body 1, so that the moisture in the well is effectively avoided, and the walking smoothness of workers is guaranteed.
When the upper rack 18 and the lower rack 18 move in opposite directions, the two first net plates 15 move in opposite directions, so that the telescopic screen 17 is expanded, and the shaking of the telescopic screen 17 is realized; in addition, during the stretching of the telescopic screen 17, the telescopic screen 17 is limited by the linkage arm 21 to move in the guide groove, namely the telescopic screen 17 moves rightwards, and the moving direction of the telescopic screen 17 is the same as the air flowing direction; in addition, the telescopic screen 17, the linkage arm 21 and the first screen 15 form a triangular structure, so that the stability of the structure is improved.
During the dust settling treatment in the dust settling pipe 8, the telescopic screen 17 can be prevented from being blocked by the mixture through the shaking of the telescopic screen 17; in addition, during the leftward movement of the retractable screen 17, the movement direction of the retractable screen 17 is opposite to the flow direction of the air, so that the action strength of the air acting on the retractable screen 17 can be enhanced, and the anti-blocking effect of the retractable screen 17 can be further enhanced; in addition, during the rightward movement of the telescopic screen 17, the telescopic screen 17 can give a rightward movement inertia to the mixture on the surface of the telescopic screen 17, and under the action of wind power, the separation of the mixture and the telescopic screen 17 is facilitated, so that the anti-blocking effect of the telescopic screen 17 is enhanced; through the anti-blocking treatment of the telescopic screen 17, the dust in the air can be filtered more permanently and more stably, so that the dust settling time is prolonged, and the dust settling stability is improved; in addition, the intermittent spraying of the clean water on the first screen 15 can also avoid the blockage of the first screen 15.
After the mixture is subjected to the anti-clogging treatment, the mixture will continue to move to the right under the action of the airflow, and the mixture is shielded by the second screen plate 26, so that the mixture stays at the left side of the second screen plate 26, and pure air is discharged through the second screen plate 26 and the outlet 3. During the rotation of the circular shaft 10, the circular shaft 10 drives the driving bevel gear 28 to rotate, the driven bevel gear 32 rotates through the meshing of the driving bevel gear 28 and the driven bevel gear 32, and then the first linkage shaft 29 is driven to rotate, and the first linkage shaft 29 drives the driving gear 31 to rotate; when the driving gear 31 is engaged with the second sector gear 33, the second sector gear 33 drives the second coupling shaft 30 to rotate; the second linkage shaft 30 pulls the wire rope 34 and winds the wire rope 34, so that the wire rope 34 pulls the scraper 35 to slide in the inclined groove, the mixture on the second net plate 26 is scraped by the scraper 35 and pushed to the collecting groove 27 to be collected, and the third spring 36 is stretched.
When the driving gear 31 is not meshed with the second sector gear 33, the scraper 35 is reset upwards under the action of the third spring 36, and the scraper 35 pulls the second linkage shaft 30 to rotate reversely through the wire rope 34 to reset. After the dust fall treatment is completed, the baffle plate is taken down from the recovery hole, so that the mixture in the collecting tank 27 can be conveniently removed.
The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides an auxiliary device for coal mine operation which characterized in that: the dust collection box comprises a movable box body, wherein an inlet and an outlet are formed in the box body, a fixed plate is arranged in the box body, the box body is divided into a dust collection area and a dust fall area by the fixed plate, the dust collection area is communicated with the inlet, and the dust fall area is communicated with the outlet; the dust settling pipe is communicated with the through hole and is positioned in the dust settling area; a negative pressure mechanism for introducing air in the well into the dust suction area is arranged in the dust suction area; still include the dust fall mechanism that carries out the dust fall to the intraductal air of dust fall and handle.
2. An auxiliary device for coal mine operation according to claim 1, wherein: the negative pressure mechanism comprises a motor fixedly connected in the box body and a circular shaft which is symmetrically and rotatably connected on the fixed plate by taking the motor as a center, a rotating shaft is arranged on an output shaft of the motor, and a driving gear is arranged on the rotating shaft; a belt is sleeved between one circular shaft and the rotating shaft, and a driven gear meshed with the driving gear is arranged on the other circular shaft; and the two circular shafts are provided with negative pressure blades which are positioned in the dust suction area.
3. An auxiliary device for coal mine operation according to claim 2, wherein: the two circular shafts penetrate through the fixing plate and extend into the dust falling area; the dust falling mechanism comprises dust falling parts which are symmetrically arranged in a dust falling area by taking a dust falling pipe as a center, wherein each dust falling part comprises a first screen plate, a plurality of first sector gears fixedly connected to a circular shaft and a plurality of sliding holes formed in the dust falling pipe; a rack meshed with the first sector gear is connected in the sliding hole in a sliding mode, a first spring is arranged between the rack and the dust falling pipe, and the rack is fixedly connected with the first screen plate; and the water guide part acts on the first screen plate.
4. An auxiliary device for coal mine operation as defined in claim 3, wherein: the first screen plate is provided with a plurality of guide grooves, the telescopic screen mesh slides in the guide grooves, and a second spring is arranged between the telescopic screen mesh and the guide grooves; the first screen plate is hinged with a linkage arm, and the free end of the linkage arm is hinged with the telescopic screen.
5. An auxiliary device for coal mine operation as defined in claim 4, wherein: the water diversion part comprises a water tank fixedly connected in the box body, a plurality of auxiliary blocks fixedly connected in the box body and a negative pressure hole formed in the rack, the water tank is connected with a plurality of corrugated pipes, and the corrugated pipes are communicated with the negative pressure hole; the auxiliary block is connected with the negative pressure hole in a sliding mode, and one end, far away from the auxiliary block, of the negative pressure hole is arranged towards the first screen plate.
6. An auxiliary device for coal mine operation as defined in claim 5, wherein: and an inclined second screen plate is arranged in the dust settling area and is positioned between the dust settling pipe and the outlet.
7. An auxiliary device for coal mine operation as defined in claim 6, wherein: a collecting tank is arranged at the bottom of the box body and is positioned between the dust falling pipe and the second screen plate; a driving bevel gear is arranged on the circular shaft, the bottom of the box body is rotatably connected with a first linkage shaft, a second linkage shaft and a guide wheel, and a driven bevel gear with a driving gear meshed with the driving bevel gear is arranged on the first linkage shaft; a second sector gear meshed with the driving gear is arranged on the second coupling shaft, and a steel wire rope is wound on and fixedly connected with the second coupling shaft; the second screen plate is provided with an inclined groove, a scraper abutting against the second screen plate is connected in the inclined groove in a sliding mode, and a third spring is arranged between the scraper and the inclined groove; the free end of the steel wire rope bypasses the guide wheel and is fixedly connected with the scraper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501813.0A CN112727530B (en) | 2020-12-18 | 2020-12-18 | Auxiliary device for coal mine operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501813.0A CN112727530B (en) | 2020-12-18 | 2020-12-18 | Auxiliary device for coal mine operation |
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| CN112727530A true CN112727530A (en) | 2021-04-30 |
| CN112727530B CN112727530B (en) | 2022-08-19 |
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