CN213914714U - Screening plant for coal mining - Google Patents
Screening plant for coal mining Download PDFInfo
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- CN213914714U CN213914714U CN202022282414.1U CN202022282414U CN213914714U CN 213914714 U CN213914714 U CN 213914714U CN 202022282414 U CN202022282414 U CN 202022282414U CN 213914714 U CN213914714 U CN 213914714U
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Abstract
The utility model belongs to the technical field of coal mining, especially, for a screening plant is adopted in coal mining, to current coal mine screening plant single structure, can not carry out the multistage screening to the colliery, the easy jam sieve mesh in colliery leads to the problem at the bottom of the screening efficiency, the scheme is put forward now, and it includes the top side fixed mounting of base has the box, and the equal fixed mounting in bottom side four corners of base has four landing legs, the first fixed plate of outside fixedly connected with of box, the bottom bolted connection of first fixed plate has the motor, the right-hand member of fixedly connected with pivot on the output shaft of motor, and the left end of pivot extends to the inside of box and rotates and install on the left side inner wall of box, the outside fixedly connected with auger of pivot, one side slidable mounting of box has the guide arm. The utility model has the advantages of reasonable design, easy operation can realize the separation to the different ranks in colliery, and has avoided the problem that the colliery screening in-process blockked up the sieve mesh.
Description
Technical Field
The utility model relates to a coal mining technical field especially relates to a screening plant for coal mining.
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 seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal 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. The vast majority of coal mines in China belong to underground coal mines.
The coal mine needs screening in the process of mining, the existing coal mine screening device is single in structure, multi-level screening can not be carried out on the coal mine, the coal mine is easy to block a screen hole, and screening efficiency is caused to be low, so that the screening device for coal mining is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current colliery screening plant single structure, can not carry out the multistage screening to the colliery, the colliery blocks up the sieve mesh easily, leads to the shortcoming at the bottom of the screening efficiency, and the screening plant for coal mining who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a screening device for coal mining comprises a base, wherein a box body is fixedly installed on the top side of the base, four support legs are fixedly installed on four corners of the bottom side of the base, a first fixing plate is fixedly connected to the outer side of the box body, a motor is connected to the bottom of the first fixing plate through a bolt, a rotating shaft is fixedly connected to the right end of an output shaft of the motor, the left end of the rotating shaft extends into the box body and is rotatably installed on the inner wall of the left side of the box body, an auger is fixedly connected to the outer side of the rotating shaft, a guide rod is slidably installed on one side of the box body, one end of the guide rod extends to the outer side of the box body and is fixedly provided with a first limiting plate, the other end of the guide rod extends into the box body and is fixedly provided with a first sieve frame, a first sieve plate is fixedly installed on the inner side of the first sieve frame, the bottom end of a vertical shaft is rotatably installed on the top of the base, and a second bevel gear is fixedly installed on the top end of the vertical shaft and the outer side of the output shaft of the motor, two second bevel gears are meshed, a first cam is fixedly installed on the outer side of the vertical shaft, the first cam is in rolling connection with one side of a first limiting plate, a first vertical plate and a second vertical plate are fixedly installed on the inner walls of the front side and the rear side of the box body, the bottom of the second vertical plate is fixedly installed at the top of the base, first sliding grooves are formed in the inner side of the second vertical plate and the inner wall of one side of the box body respectively, a same second screen frame is slidably installed in the two first sliding grooves, a second screen plate is fixedly installed on the inner side of the second screen frame, the aperture of the second screen plate is smaller than that of the first screen plate, a connecting rod is fixedly installed at the bottom of the second screen plate, a second limiting plate is fixedly installed at the bottom of the connecting rod, a transverse shaft is rotatably installed on one side of the box body, a first bevel gear is fixedly installed at one end of the transverse shaft and the, and a second cam is fixedly arranged on the outer side of the transverse shaft and is in rolling connection with the bottom of the second limiting plate.
Preferably, a third sliding groove is formed in the inner wall of the top of the box body, the top side of the first screen frame is connected into the third sliding groove in a sliding mode, a second sliding groove is formed in the bottom of the first screen frame, and the top side of the first vertical plate is connected into the second sliding groove in a sliding mode to prevent the first screen frame from falling off.
Preferably, the welding has first swash plate and second swash plate on the inner wall of box, one side of first swash plate and one side fixed connection of first riser, and one side fixed connection of second swash plate is in the top side of base, and second bank of screens, first swash plate and second swash plate are the slope setting, the whereabouts of the colliery of being convenient for.
Preferably, one side fixed mounting that box and first limiting plate are close to each other has a plurality of springs, can realize reciprocating motion about first limiting plate, and the first sieve of being convenient for sieves the colliery.
Preferably, the feed inlet has been seted up to the top inboard of box, and two discharge gates have been seted up to one side of box, and the collection mouth has been seted up to the inboard of base, and the transport vechicle has been placed to the below of base, the transportation in the colliery of being convenient for.
Preferably, the slide opening has been seted up to one side of first bank of screens, and pivot sliding connection is in the slide opening, and first bank of screens all sets up to U type structure with first sieve, increases the contact range of colliery and auger, improves colliery screening efficiency.
In the utility model, the shaft drives the auger to rotate spirally, the auger sends a coal mine with a larger aperture than the first sieve plate to the first inclined plate, then the coal mine with a smaller aperture than the first sieve plate falls on the second sieve plate through the first inclined plate slide-out discharge port to complete the first-stage separation, the coal mine with a smaller aperture than the first sieve plate falls on the second sieve plate, the second sieve plate moves up and down, the coal mine with a larger aperture than the second sieve plate is sent to the second inclined plate, then the coal mine with a smaller aperture than the second sieve plate falls into the material transporting vehicle through the collecting port through the second inclined plate slide-out discharge port to complete the second-stage separation, and the third-stage separation is completed;
in the utility model, the first sieve plate can reciprocate left and right, and the second sieve plate can reciprocate up and down, so that the blockage of the sieve pores by the coal mine in the sieving process is avoided;
the utility model has the advantages of reasonable design, easy operation can realize the separation to the different ranks in colliery, and has avoided the problem that the colliery screening in-process blockked up the sieve mesh.
Drawings
Fig. 1 is a schematic structural diagram of a screening device for coal mining according to the present invention;
FIG. 2 is a schematic structural view of a cross section A-A of a screening device for coal mining according to the present invention;
fig. 3 is a schematic structural diagram of a part B of a screening device for coal mining according to the present invention;
fig. 4 is a schematic perspective view of a second frame and a second sieve plate of the screening device for coal mining according to the present invention;
fig. 5 is the utility model provides a three-dimensional structure schematic diagram of first bank of screens, first sieve and second spout of screening plant for coal mining.
In the figure: 1. a base; 2. a box body; 3. a first fixing plate; 4. a motor; 5. a rotating shaft; 6. a first screen frame; 7. a first screen deck; 8. a packing auger; 9. a guide bar; 10. a first limit plate; 11. a first cam; 12. a vertical axis; 13. a second fixing plate; 14. a second vertical plate; 15. a first chute; 16. a second screen frame; 17. a second screen deck; 18. a second limiting plate; 19. a second cam; 20. a horizontal axis; 21. a first bevel gear; 22. a second bevel gear; 23. a spring; 24. a first vertical plate; 25. a second chute; 26. a third chute; 27. a first sloping plate; 28. a second swash plate.
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. 1-5, a screening device for coal mining comprises a base 1, a box body 2 is fixedly installed on the top side of the base 1, four support legs are fixedly installed on four corners of the bottom side of the base 1, a first fixing plate 3 is fixedly connected to the outer side of the box body 2, a motor 4 is connected to the bottom of the first fixing plate 3 through a bolt, the right end of a rotating shaft 5 is fixedly connected to an output shaft of the motor 4, the left end of the rotating shaft 5 extends into the box body 2 and is rotatably installed on the inner wall of the left side of the box body 2, a packing auger 8 is fixedly connected to the outer side of the rotating shaft 5, a guide rod 9 is slidably installed on one side of the box body 2, one end of the guide rod 9 extends to the outer side of the box body 2 and is fixedly installed with a first limiting plate 10, the other end of the guide rod 9 extends into the box body 2 and is fixedly installed with a first screen frame 6, a first screen plate 7 is fixedly installed on the inner side of the first screen frame 6, the bottom end of a vertical shaft 12 is rotatably installed on the top of the base 1, the top end of the vertical shaft 12 and the outer side of the output shaft of the motor 4 are both fixedly provided with second bevel gears 22, the two second bevel gears 22 are meshed, the outer side of the vertical shaft 12 is fixedly provided with a first cam 11, the first cam 11 is in rolling connection with one side of a first limit plate 10, the inner walls of the front side and the rear side of the box body 2 are fixedly provided with a first vertical plate 24 and a second vertical plate 14, the bottom of the second vertical plate 14 is fixedly arranged at the top of the base 1, the inner side of the second vertical plate 14 and the inner wall of one side of the box body 2 are both provided with a first sliding chute 15, the two first sliding chutes 15 are internally provided with the same second screen frame 16 in a sliding way, the inner side of the second screen frame 16 is fixedly provided with a second screen plate 17, the aperture of the second screen plate 17 is smaller than the aperture of the first screen plate 7, the bottom of the second screen plate 17 is fixedly provided with a connecting rod, the bottom end of the connecting rod is fixedly provided with a second limit plate 18, one side of the box body 2 is rotatably provided with a transverse shaft 20, one end of the horizontal shaft 20 and the outer side of the vertical shaft 12 are fixedly provided with first bevel gears 21, the two first bevel gears 21 are meshed, the other end of the horizontal shaft 20 is rotatably arranged on one side of the second vertical plate 14, the outer side of the horizontal shaft 20 is fixedly provided with a second cam 19, and the second cam 19 is in rolling connection with the bottom of the second limiting plate 18.
The inner wall of the top of the box body 2 is provided with a third chute 26, the top side of the first sieve frame 6 is slidably connected in the third chute 26, the bottom of the first sieve frame 6 is provided with a second chute 25, the top side of the first vertical plate 24 is slidably connected in the second chute 25 to prevent the first sieve frame 6 from falling off, the inner wall of the box body 2 is welded with a first inclined plate 27 and a second inclined plate 28, one side of the first inclined plate 27 is fixedly connected with one side of the first vertical plate 24, one side of the second inclined plate 28 is fixedly connected with the top side of the base 1, the second sieve frame 16, the first inclined plate 27 and the second inclined plate 28 are obliquely arranged to facilitate the falling of a coal mine, one side of the box body 2, which is close to the first limit plate 10, is fixedly provided with a plurality of springs 23 to realize the left-right reciprocating motion of the first limit plate 10, so that the first sieve plate 7 is convenient to sieve, the inner side of the top of the box body 2 is provided with a feed inlet, one side of the box body 2 is provided with two discharge outlets, the collection mouth has been seted up to base 1's inboard, and the dumper has been placed to base 1's below, and the transportation in the colliery of being convenient for, the slide opening has been seted up to one side of first bank of screens 6, and 5 sliding connection in the slide opening of pivot, first bank of screens 6 all set up to U type structure with first sieve 7, increase colliery and auger 8's contact range, improve colliery screening efficiency.
The utility model discloses in, when using: the coal mine to be screened is added into the screening device through a feeding hole arranged on the inner side of the top of the box body 2, a motor 4 is started, an output shaft of the motor 4 drives a rotating shaft 5 to rotate, then the rotating shaft 5 drives an auger 8 to rotate in a spiral mode, the auger 8 sends the coal mine with the aperture larger than that of a first sieve plate 7 to a first inclined plate 27, then the auger 8 slides out of a discharging hole through the first inclined plate 27 to complete first-stage separation, at the moment, a vertical shaft 12 is driven to rotate through two meshed second bevel gears 22, then the vertical shaft 12 drives a first cam 11 to rotate, the first cam 11 drives a first limiting plate 10 to reciprocate left and right, the first limiting plate 10 simultaneously drives a first sieve frame 6 and the first sieve plate 7 fixedly arranged on the inner side of the first sieve frame 6 to move left and right through a guide rod 9, so that the coal mine with the aperture smaller than that of the first sieve plate 7 falls onto an inclined second sieve plate 17, at the moment, the two meshed first bevel gears 21 drive a transverse shaft 20 to rotate, the cross shaft 20 drives the second cam 19 to rotate, the second cam 19 drives the second limiting plate 18 to reciprocate up and down, the second limiting plate 18 drives the second sieve frame 16 and the second sieve plate 17 to move up and down through the connecting rod, a coal mine with a diameter larger than that of the second sieve plate 17 is sent to the second inclined plate 28, then the coal mine with a diameter smaller than that of the second sieve plate 17 slides out of the discharge hole through the second inclined plate 28 to complete secondary separation, the coal mine with a diameter smaller than that of the second sieve plate 17 drops into the material transporting vehicle through the collection hole at the moment, and tertiary separation is completed.
Claims (6)
1. The utility model provides a screening plant for coal mining, including base (1), a serial communication port, the top side fixed mounting of base (1) has box (2), the equal fixed mounting in bottom side four corners of base (1) has four landing legs, the outside fixedly connected with first fixed plate (3) of box (2), the bottom bolted connection of first fixed plate (3) has motor (4), the right-hand member of fixedly connected with pivot (5) on the output shaft of motor (4), the left end of pivot (5) extends to the inside of box (2) and rotates and install on the left side inner wall of box (2), the outside fixedly connected with auger (8) of pivot (5), one side slidable mounting of box (2) has guide arm (9), the one end of guide arm (9) extends to the outside of box (2) and fixed mounting has first limiting plate (10), the other end of guide arm (9) extends to the inside of box (2) and fixed mounting has first bank of screens (6), the inner side of the first sieve frame (6) is fixedly provided with a first sieve plate (7), the top of the base (1) is rotatably provided with the bottom end of a vertical shaft (12), the top end of the vertical shaft (12) and the outer side of an output shaft of a motor (4) are respectively and fixedly provided with a second bevel gear (22), the two second bevel gears (22) are meshed with each other, the outer side of the vertical shaft (12) is fixedly provided with a first cam (11), the first cam (11) is in rolling connection with one side of a first limiting plate (10), the inner walls of the front side and the rear side of the box body (2) are respectively and fixedly provided with a first vertical plate (24) and a second vertical plate (14), the bottom of the second vertical plate (14) is fixedly arranged at the top of the base (1), the inner side of the second vertical plate (14) and the inner wall of one side of the box body (2) are respectively provided with a first chute (15), and the two first chutes (15) are internally and slidably provided with the same second sieve frame (16), the inboard fixed mounting of second bank of screens (16) has second sieve (17), the aperture of second sieve (17) is less than the aperture of first sieve (7), the bottom fixed mounting of second sieve (17) has the connecting rod, connecting rod bottom fixed mounting has second limiting plate (18), one side of box (2) is rotated and is installed cross axle (20), the one end of cross axle (20) and the equal fixed mounting in the outside of vertical axis (12) have first conical gear (21), two first conical gear (21) mesh mutually, the other end of cross axle (20) is rotated and is installed in one side of second riser (14), the outside fixed mounting of cross axle (20) has second cam (19), the bottom roll connection of second cam (19) and second limiting plate (18).
2. A screening device for coal mining according to claim 1, wherein the top inner wall of the box body (2) is provided with a third sliding groove (26), the top side of the first screen frame (6) is slidably connected in the third sliding groove (26), the bottom of the first screen frame (6) is provided with a second sliding groove (25), and the top side of the first vertical plate (24) is slidably connected in the second sliding groove (25).
3. The screening device for coal mining according to claim 1, wherein a first inclined plate (27) and a second inclined plate (28) are welded on the inner wall of the box body (2), one side of the first inclined plate (27) is fixedly connected with one side of the first vertical plate (24), one side of the second inclined plate (28) is fixedly connected with the top side of the base (1), and the second screen frame (16), the first inclined plate (27) and the second inclined plate (28) are all obliquely arranged.
4. A screening device for coal mining as claimed in claim 1 wherein a plurality of springs (23) are fixedly mounted to the side of the box (2) adjacent the first retainer plate (10).
5. The screening device for coal mining according to claim 1, wherein a feed inlet is formed in the inner side of the top of the box body (2), two discharge outlets are formed in one side of the box body (2), a collection outlet is formed in the inner side of the base (1), and a material conveying vehicle is placed below the base (1).
6. A screening apparatus for coal mining as claimed in claim 1, wherein one side of the first screen frame (6) is provided with a slide hole, the rotating shaft (5) is slidably connected in the slide hole, and the first screen frame (6) and the first screen plate (7) are both arranged in a U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282414.1U CN213914714U (en) | 2020-10-14 | 2020-10-14 | Screening plant for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282414.1U CN213914714U (en) | 2020-10-14 | 2020-10-14 | Screening plant for coal mining |
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| Publication Number | Publication Date |
|---|---|
| CN213914714U true CN213914714U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022282414.1U Active CN213914714U (en) | 2020-10-14 | 2020-10-14 | Screening plant for coal mining |
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| CN (1) | CN213914714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602591A (en) * | 2022-04-15 | 2022-06-10 | 周慰 | Coal mine crushing device convenient to use for long time |
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2020
- 2020-10-14 CN CN202022282414.1U patent/CN213914714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602591A (en) * | 2022-04-15 | 2022-06-10 | 周慰 | Coal mine crushing device convenient to use for long time |
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