CN209742954U - Dust collection device for coal face - Google Patents
Dust collection device for coal face Download PDFInfo
- Publication number
- CN209742954U CN209742954U CN201920162189.2U CN201920162189U CN209742954U CN 209742954 U CN209742954 U CN 209742954U CN 201920162189 U CN201920162189 U CN 201920162189U CN 209742954 U CN209742954 U CN 209742954U
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- rod
- hole
- explosion
- water tank
- dust
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Abstract
the utility model discloses a coal face dust extraction, including the dust extraction body, the dust extraction body includes bottom plate and fixed mounting water tank on the bottom plate, the top fixed mounting of water tank has explosion-proof fan, and in explosion-proof fan's air outlet extended to the water tank, explosion-proof fan air intake connection had the one end of ventilation hose, the one end of ventilation hose's other end fixedly connected with connecting pipe, and the other end fixed mounting of connecting pipe has the toper air-collecting cover, one side of water tank is equipped with the bracing piece of fixed mounting at the bottom plate top, and the top of bracing piece is articulated mutually with the bottom of connecting pipe, the slip cover is equipped with the horizontal pole on the bracing piece, and the rectangular hole has been seted up. The utility model discloses simple structure, convenient operation is convenient for adjust the inclination of toper wind-collecting cover according to actual need, reaches the absorption efficiency that improves lower and higher dust on the working face, and increase dust absorption scope satisfies the user demand.
Description
Technical Field
The utility model relates to a dust collecting equipment technical field especially relates to a coal face dust extraction.
Background
the fully mechanized coal mining face is the most main dust producing point of a modern mine, high-concentration dust generated when coal bodies are crushed seriously threatens the physical and mental health of operating personnel and the safety production of the mine, therefore, coal cutting of a coal mining machine is the most important of dust prevention work of the mechanized fully mechanized coal mining face, the existing dust collection device of the coal mining face consists of a bottom plate and a water tank fixed at the top of the bottom plate, an explosion-proof fan is fixedly installed at the top of the water tank, an air outlet of the explosion-proof fan extends into the water tank, an air inlet of the explosion-proof fan is connected with one end of a ventilation hose, the other end of the ventilation hose is fixedly connected with a conical air collection cover, when the dust collection device is used, the explosion-proof fan is started, the explosion-proof fan pumps air to the air collection cover through the ventilation hose, so that dust flying on the working face is sucked into the explosion-proof fan along with, the secondary flying is avoided, and the arrangement of the wind collecting cover effectively improves the absorption treatment of dust.
In the prior art, the dust collection device for the coal face still has certain defects, and the dust collection range is limited because the inclination angle of the wind collection cover is not convenient to adjust according to actual needs, and the dust at the higher position and the dust at the lower position cannot be effectively absorbed, so that the dust collection device for the coal face is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a dust suction device for a coal face.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A dust suction device for a coal face comprises a dust suction device body, wherein the dust suction device body comprises a bottom plate and a water tank fixedly arranged on the bottom plate, an explosion-proof fan is fixedly arranged at the top of the water tank, an air outlet of the explosion-proof fan extends into the water tank, an air inlet of the explosion-proof fan is connected with one end of a ventilation hose, the other end of the ventilation hose is fixedly connected with one end of a connecting pipe, a conical air-collecting cover is fixedly arranged at the other end of the connecting pipe, a supporting rod fixedly arranged at the top of the bottom plate is arranged at one side of the water tank, the top of the supporting rod is hinged with the bottom of the connecting pipe, a cross rod is slidably sleeved on the supporting rod, a rectangular hole is formed in the top of the cross rod and is slidably connected with the supporting rod, two fixing seats are, the utility model discloses a mounting structure of air-conditioning system, including horizontal pole, mounting groove, plectane movable sleeve, bracing piece, servo motor, connecting rod, rectangular hole, fixed mounting, the mounting groove that top and bottom are the opening setting is seted up to one side that the horizontal pole is close to toper wind-collecting cover, and rotates on one side inner wall of mounting groove and install the plectane, and plectane movable sleeve establishes on the locating lever, first through-hole has been seted up to one side of bracing piece, and fixed mounting has servo motor on the bottom inner wall of first through-hole, and the welding has the screw rod in servo motor's the output, and the top of screw rod rotates the installation with the top inner wall of first through-hole, the thread bush is equipped with the connecting rod on the screw rod.
Preferably, the second through-hole has been seted up at the top of plectane, and the locating lever is located the second through-hole, and the ball groove has all been seted up to the both sides of locating lever, and it has two first balls all to nest on the both sides inner wall of second through-hole, lies in the lateral wall rolling contact in two first balls with one side and the ball groove that corresponds.
Preferably, a pin shaft is welded on one side of the circular plate, a first round hole is formed in the inner wall of one side of the mounting groove, a first bearing is fixedly sleeved in the first round hole, and an inner ring of the first bearing is fixedly sleeved on the outer side of the pin shaft.
Preferably, the top of the connecting rod is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw.
Preferably, a second bearing is welded on the inner wall of the top of the first through hole, and an inner ring of the second bearing is fixedly sleeved with the outer side of the screw rod.
Preferably, a second round hole is formed in the top of the limiting rod, a third bearing is fixedly sleeved in the second round hole, and an inner ring of the third bearing is fixedly sleeved on the outer side of the screw rod.
Compared with the prior art, the beneficial effects of the utility model are that:
The anti-explosion fan is started through a ventilation hose and a conical air collecting cover, dust is sucked into the anti-explosion fan along with air flow, and is blown into a water tank through an air outlet of the anti-explosion fan, when dust at a lower part is sucked, the servo motor is started in a forward direction, the servo motor drives the screw to rotate, the screw rotates to drive the connecting rod to move downwards, the connecting rod drives the circular plate to move downwards through the transverse rod, the circular plate drives four first balls to roll in corresponding ball grooves respectively and extrude the positioning rod, so that the positioning rod moves and drives the conical air collecting cover to rotate downwards through the two fixing seats, and the conical air collecting cover drives the connecting pipe to rotate at the top end of the supporting rod, at the moment, the inclination angle of the conical air collecting cover is changed, so that the inclination angle of the conical air collecting cover can be adjusted according to actual needs, and the dust collection range is enlarged.
The utility model discloses simple structure, convenient operation is convenient for adjust the inclination of toper wind-collecting cover according to actual need, reaches the absorption efficiency that improves lower and higher dust on the working face, and increase dust absorption scope satisfies the user demand.
Drawings
Fig. 1 is a schematic structural view of a coal face dust suction device provided by the utility model;
Fig. 2 is a schematic sectional view of a part a of a coal face dust suction device provided by the utility model;
Fig. 3 is a schematic view of a partial sectional structure B of a coal face dust suction device provided by the present invention.
In the figure: 1 explosion-proof fan, 2 toper wind-collecting housing, 3 connecting pipes, 4 bracing pieces, 5 first through-holes, 6 horizontal poles, 7 rectangular holes, 8 fixing bases, 9 locating levers, 10 mounting grooves, 11 plectanes, 12 first ball, 13 screw rods, 14 connecting rods, 15 servo motor, 16 gag lever posts, 17 second through-holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a coal face dust collector comprises a dust collector body, the dust collector body comprises a bottom plate and a water tank fixedly mounted on the bottom plate, an explosion-proof fan 1 is fixedly mounted at the top of the water tank, an air outlet of the explosion-proof fan 1 extends into the water tank, an air inlet of the explosion-proof fan 1 is connected with one end of a ventilation hose, the other end of the ventilation hose is fixedly connected with one end of a connecting pipe 3, a tapered air-collecting cover 2 is fixedly mounted at the other end of the connecting pipe 3, a supporting rod 4 fixedly mounted at the top of the bottom plate is arranged at one side of the water tank, the top of the supporting rod 4 is hinged with the bottom of the connecting pipe 3, a cross rod 6 is slidably sleeved on the supporting rod 4, a rectangular hole 7 is formed at the top of the cross rod 6, the rectangular hole, and one side of the two fixing seats 8 close to each other is fixedly provided with the same positioning rod 9, one side of the cross rod 6 close to the conical air collecting cover 2 is provided with a mounting groove 10 with an opening at the top and the bottom, one side inner wall of the mounting groove 10 is rotatably provided with a circular plate 11, the circular plate 11 is movably sleeved on the positioning rod 9, one side of the support rod 4 is provided with a first through hole 5, the bottom inner wall of the first through hole 5 is fixedly provided with a servo motor 15, the output of the servo motor 15 is welded with a screw 13, the top end of the screw 13 is rotatably mounted with the top inner wall of the first through hole 5, the screw 13 is screwed with a connecting rod 14, two ends of the connecting rod 14 are respectively welded with the two side inner walls of the rectangular hole 7, the two side inner walls of the first through hole 5 are fixedly provided with the same limiting rod 16, the limiting rod 16 is, the explosion-proof fan 1 is started through the cooperation of the explosion-proof fan 1, the conical wind-collecting cover 2, the connecting pipe 3, the supporting rod 4, the first through hole 5, the cross rod 6, the rectangular hole 7, the fixing seats 8, the positioning rod 9, the mounting groove 10, the circular plate 11, the first ball 12, the screw 13 and the connecting rod 14 with the servo motor 15, the explosion-proof fan 1 is pumped through the ventilation hose and the conical wind-collecting cover 2, dust is sucked into the explosion-proof fan 1 along with air flow and is blown into the water tank through the air outlet of the explosion-proof fan 1, when dust at the lower part is collected, the servo motor 15 is started in the forward direction, the servo motor 15 drives the screw 13 to rotate, the screw 13 can drive the connecting rod 14 to move downwards, the connecting rod 14 drives the circular plate 11 to move downwards through the cross rod 6, the circular plate 11 drives the four first balls 12 to respectively roll in the corresponding ball grooves and extrude the positioning rod 9, so that the positioning rod 9, toper wind-collecting cover 2 drives connecting pipe 3 and rotates on the top of bracing piece 4, and the inclination of toper wind-collecting cover 2 changes this moment for can adjust the inclination of toper wind-collecting cover 2 according to actual need, increase dust absorption scope, the utility model discloses simple structure, convenient operation is convenient for adjust the inclination of toper wind-collecting cover 2 according to actual need, reaches the absorption efficiency that improves lower and higher dust on the working face, and increase dust absorption scope satisfies the user demand.
in the utility model, a second through hole 17 is arranged on the top of a circular plate 11, a positioning rod 9 is positioned in the second through hole 17, ball grooves are arranged on both sides of the positioning rod 9, two first balls 12 are nested on both inner walls of the second through hole 17, two first balls 12 positioned on the same side are in rolling contact with the side walls of the corresponding ball grooves, a pin shaft is welded on one side of the circular plate 11, a first round hole is arranged on one inner wall of a mounting groove 10, a first bearing is fixedly sleeved in the first round hole, the inner ring of the first bearing is fixedly sleeved with the outer side of the pin shaft, a threaded hole is arranged on the top of a connecting rod 14, the threaded hole is in threaded connection with a corresponding screw 13, a second bearing is welded on the inner wall of the top of the first through hole 5, the inner ring of the second bearing is fixedly sleeved with the outer side of the screw 13, a second round hole is arranged on the top of a limiting, the inner ring of the third bearing is fixedly sleeved with the outer side of a screw 13, the explosion-proof fan 1, a conical air-collecting hood 2, a connecting pipe 3, a support rod 4, a first through hole 5, a cross rod 6, a rectangular hole 7, a fixing seat 8, a positioning rod 9, a mounting groove 10, a circular plate 11, a first ball 12, the screw 13 and a connecting rod 14 are matched with a servo motor 15, the explosion-proof fan 1 is started, the explosion-proof fan 1 is pumped by a ventilation hose and the conical air-collecting hood 2, dust is sucked into the explosion-proof fan 1 along with airflow and is blown into a water tank through an air outlet of the explosion-proof fan 1, when dust at a lower part is sucked, the servo motor 15 is started in the forward direction, the servo motor 15 drives the screw 13 to rotate, the screw 13 can drive the connecting rod 14 to move downwards, the connecting rod 14 drives the circular plate 11 to move downwards through the cross rod 6, the circular plate 11 drives four first balls 12, make locating lever 9 remove and drive toper wind-collecting housing 2 through two fixing bases 8 and rotate downwards, toper wind-collecting housing 2 drives connecting pipe 3 and rotates on the top of bracing piece 4, and the inclination of toper wind-collecting housing 2 changes this moment for can adjust the inclination of toper wind-collecting housing 2 according to actual need, increase dust absorption scope, the utility model discloses simple structure, convenient operation is convenient for adjust the inclination of toper wind-collecting housing 2 according to actual need, reaches the absorption efficiency that improves lower and higher dust on the working face, and increase dust absorption scope satisfies the user demand.
The working principle is as follows: starting the explosion-proof fan 1, the explosion-proof fan 1 performing air extraction through the ventilation hose and the conical air-collecting cover 2, so that dust flying on a working surface is sucked into the explosion-proof fan 1 along with air flow, and then blown into the water tank through an air outlet of the explosion-proof fan 1, and is adhered to water in the water tank to avoid flying again, when dust at a lower part is sucked, the servo motor 15 is started in a forward direction, an output shaft of the servo motor 15 drives the screw rod 13 to rotate, under the action of a threaded hole, the screw rod 13 rotates to drive the connecting rod 14 to move downwards, the connecting rod 14 drives the cross rod 6 to slide downwards on the supporting rod 4, the cross rod 6 drives the circular plate 11 to move downwards through the pin shaft, the circular plate 11 drives the four first balls 12 to extrude the positioning rod 9 downwards, meanwhile, the first balls 12 rotate in corresponding ball grooves, under the action of extrusion force, the positioning rod 9 moves and drives the, fixing base 8 drives toper wind-collecting cover 2 and rotates downwards, toper wind-collecting cover 2 drives connecting pipe 3 and rotates on the top of bracing piece 4, the inclination of toper wind-collecting cover 2 changes this moment, when adjusting suitable inclination, stop servo motor 15 alright, make the inclination that can adjust toper wind-collecting cover 2 according to actual need, can effectually carry out the dust absorption to the dust of lower department, carry out the dust absorption during operation to the dust of higher, only need reverse start servo motor 15, can drive toper wind-collecting cover 2 tilt up, the dust absorption scope is wide.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A coal face dust collector comprises a dust collector body, wherein the dust collector body comprises a bottom plate and a water tank fixedly mounted on the bottom plate, an explosion-proof fan (1) is fixedly mounted at the top of the water tank, an air outlet of the explosion-proof fan (1) extends into the water tank, an air inlet of the explosion-proof fan (1) is connected with one end of a ventilation hose, the other end of the ventilation hose is fixedly connected with one end of a connecting pipe (3), and the other end of the connecting pipe (3) is fixedly mounted with a conical air collecting cover (2), and is characterized in that a supporting rod (4) fixedly mounted at the top of the bottom plate is arranged on one side of the water tank, the top of the supporting rod (4) is hinged with the bottom of the connecting pipe (3), a cross rod (6) is slidably sleeved on the supporting rod (4), a rectangular hole (7) is formed in the top of the cross, the bottom of one side, close to the support rod (4), of the conical air collecting cover (2) is fixedly provided with two fixing seats (8), one side, close to each other, of the two fixing seats (8) is fixedly provided with the same positioning rod (9), one side, close to the conical air collecting cover (2), of the transverse rod (6) is provided with a mounting groove (10) with the top and the bottom both provided with openings, a circular plate (11) is rotatably arranged on the inner wall of one side of the mounting groove (10), the circular plate (11) is movably sleeved on the positioning rod (9), one side of the support rod (4) is provided with a first through hole (5), a servo motor (15) is fixedly arranged on the inner wall of the bottom of the first through hole (5), a screw rod (13) is welded on the output of the servo motor (15), the top end of the screw rod (13) is rotatably arranged with the inner wall of the top, and the both ends of connecting rod (14) weld with the both sides inner wall of rectangular hole (7) mutually respectively, and fixed mounting has same gag lever post (16) on the both sides inner wall of first through-hole (5), and gag lever post (16) are located the below of horizontal pole (6), gag lever post (16) rotate the cover and establish on screw rod (13).
2. the coal face dust collection device according to claim 1, wherein a second through hole (17) is formed in the top of the circular plate (11), the positioning rod (9) is located in the second through hole (17), ball grooves are formed in two sides of the positioning rod (9), two first balls (12) are nested on inner walls of two sides of the second through hole (17), and the two first balls (12) located on the same side are in rolling contact with side walls of the corresponding ball grooves.
3. The dust collector for the coal mining working face according to claim 1, wherein a pin shaft is welded on one side of the circular plate (11), a first round hole is formed in the inner wall of one side of the mounting groove (10), a first bearing is fixedly sleeved in the first round hole, and an inner ring of the first bearing is fixedly sleeved on the outer side of the pin shaft.
4. A coal face dust extraction device according to claim 1, characterized in that the top of the connecting rod (14) is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw (13).
5. A coal face dust collector according to claim 1, characterized in that a second bearing is welded on the top inner wall of the first through hole (5), and the inner ring of the second bearing is fixedly sleeved with the outer side of the screw rod (13).
6. The coal face dust collection device according to claim 1, wherein a second round hole is formed in the top of the limiting rod (16), a third bearing is fixedly sleeved in the second round hole, and an inner ring of the third bearing is fixedly sleeved with the outer side of the screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920162189.2U CN209742954U (en) | 2019-01-23 | 2019-01-23 | Dust collection device for coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920162189.2U CN209742954U (en) | 2019-01-23 | 2019-01-23 | Dust collection device for coal face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209742954U true CN209742954U (en) | 2019-12-06 |
Family
ID=68708443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920162189.2U Expired - Fee Related CN209742954U (en) | 2019-01-23 | 2019-01-23 | Dust collection device for coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209742954U (en) |
-
2019
- 2019-01-23 CN CN201920162189.2U patent/CN209742954U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20220123 |