CN115400936A

CN115400936A - Coal mine screening equipment for coal mining

Info

Publication number: CN115400936A
Application number: CN202211225995.2A
Authority: CN
Inventors: 徐子佳; 赵云武; 张奇; 李海超; 宋辉; 苏志闯; 谷勇; 李大鹏; 赵飞; 朱向婉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-11-29

Abstract

The invention discloses coal mine screening equipment for coal mining, which comprises a base, wherein a shaking mechanism is arranged on the base, a collecting mechanism and a tilting mechanism are arranged on the shaking mechanism, a support is arranged on the tilting mechanism, a screening drum is rotatably connected onto the support, a feeding pipe is arranged on the screening drum, a drum cover is arranged on the side surface of the screening drum, an adjusting mechanism is arranged on the screening drum, an anti-blocking mechanism is arranged in the screening drum, and a rotating mechanism is arranged on the support. The coal mine screening device has the advantages that the shaking mechanism is arranged, the purpose of improving the coal mine screening efficiency is achieved, the collection mechanism is arranged and matched with the shaking mechanism, the purpose of collecting coal blocks is achieved, and the coal blocks and coal ash are convenient to separate.

Description

Coal mine screening equipment for coal mining

Technical Field

The invention belongs to the technical field of coal mines, and particularly relates to coal mine screening equipment 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 layer is far away from the ground surface, a tunnel is usually dug to the underground to mine the 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. The vast majority of coal mines in China belong to underground coal mines.

The coal mine screening equipment that current coal mining adopted exists following problem at the in-process that uses, the screen cloth general structure that the coal mine screening equipment used is comparatively fixed, the sieve mesh size can't be adjusted as required, the flexibility is relatively poor, and the screening equipment is piling up owing to the colliery at the in-process that uses, the in-process of screening need consume the manpower and tile, screening efficiency is not high, simultaneously at the in-process of screening, the sieve mesh blocks up easily, thereby influence the screening, for this reason, provide a coal mine screening equipment that coal mining adopted.

Disclosure of Invention

The invention aims to provide coal mine screening equipment for coal mining, which solves the problems that the size of a screen hole of the coal mine screening equipment for coal mining cannot be adjusted, the screening efficiency is low, and the screen hole is easy to block.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a colliery screening installation that coal mining adopted, includes the base, be equipped with rocking mechanism on the base, be equipped with collection mechanism and tilt mechanism on the rocking mechanism, the last support that is equipped with of tilt mechanism, it is connected with the filter cylinder to rotate on the support, be equipped with the inlet pipe on the filter cylinder, the side of filter cylinder is equipped with the cover, be equipped with adjustment mechanism on the filter cylinder, be equipped with in the filter cylinder and prevent blockking up the mechanism, be equipped with slewing mechanism on the support.

Preferably, the rocking mechanism comprises a first hinged seat, the first hinged seat is fixedly installed on the base, the first hinged seat is connected with an accepting plate in a rotating mode, one side of the accepting plate is provided with a roller, the base is provided with a spring and a first motor, one end of the spring is fixedly connected with the accepting plate, a rotating shaft end of the first motor is provided with a rotating disc, and a lifting rod is arranged on the rotating disc.

Preferably, the collecting mechanism comprises a first box body, the first box body is arranged on the bearing plate, a second box body is inserted into the first box body, and a filter screen is arranged in the second box body.

Preferably, the tilting mechanism includes articulated seat of second and cylinder, the equal fixed mounting of the articulated seat of cylinder and second is on accepting the board, the articulated seat of second is connected with the leg joint, the bottom of support is equipped with the bar frame, the tailpiece of the piston rod of cylinder is equipped with and accepts the frame, the inner wall of accepting the frame is equipped with the gag lever post, the inner wall sliding connection of gag lever post and bar frame.

Preferably, the adjusting mechanism comprises an outer cylinder, the outer cylinder is rotatably connected to the surface of the screening cylinder, a through hole is formed in the outer cylinder, the through hole is consistent with the aperture of a sieve mesh of the screening cylinder, a second motor is arranged on the screening cylinder, a first gear is arranged at a rotating shaft end of the second motor, a first gear ring is arranged on the outer cylinder, and the first gear is meshed with the first gear ring.

Preferably, the rotating mechanism comprises a third motor, the third motor is fixedly mounted on the support, a second gear is arranged at the rotating shaft end of the third motor, a second gear ring is arranged on the screening cylinder, and the second gear is meshed with the second gear ring.

Preferably, prevent blockking up the mechanism and include the connecting rod, connecting rod fixed mounting is in the side of support, it is connected with the circle roller to rotate on the connecting rod, the one end of circle roller is run through and is extended to in the screening cylinder, be equipped with the clearance post on the circle roller, be equipped with the outer lane ring gear on the circle roller, the left side of screening cylinder is equipped with the inner circle ring gear, outer lane ring gear meshes with the inner circle ring gear mutually.

Compared with the prior art, the invention has the beneficial effects that:

1. the coal mine screening device is provided with the shaking mechanism, so that the purpose of improving the coal mine screening efficiency is achieved, the collecting mechanism is arranged and matched with the shaking mechanism, so that the purpose of collecting coal blocks is achieved, and the coal blocks and coal ash are convenient to separate.

2. The invention achieves the aim of adjusting the inclination of the screening cylinder by arranging the inclination mechanism, is beneficial to the coal blocks in the screening cylinder to slide out of the screening cylinder, achieves the aim of adjusting the size of the exposed screen holes by arranging the adjusting mechanism, and is beneficial to the screening of coal mines.

3. The rotating mechanism is arranged to drive the screening drum to rotate, the shaking mechanism is matched to facilitate screening of a coal mine, and the anti-blocking mechanism is matched to clean the screening holes to prevent the screening holes from being blocked and influencing screening.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side view of the screen cartridge of the present invention;

FIG. 3 is a cross-sectional view of a first case of the present invention;

FIG. 4 is a schematic view of a carrier according to the present invention;

fig. 5 is a cross-sectional view of the round roller of the present invention.

In the figure: 1. a base; 21. a first motor; 22. a first hinge mount; 23. a spring; 24. a turntable; 25. a bearing plate; 26. lifting the rod; 27. a roller; 31. a cylinder; 32. a receiving frame; 33. a limiting rod; 34. a second handover is performed; 35. a bar frame; 41. a second box body; 42. a first case; 43. filtering with a screen; 5. a screening cylinder; 51. a feed pipe; 52. a cylinder cover; 61. a first motor; 62. a first gear; 63. a first ring gear; 64. an outer cylinder; 65. a through hole; 71. a third motor; 72. a second ring gear; 73. a second gear; 8. a support; 91. a connecting rod; 92. a round roller; 93. cleaning the column; 94. an outer ring gear ring; 95. and an inner ring gear ring.

Detailed Description

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a coal mine screening apparatus for coal mining, comprising a base 1, a shaking mechanism is arranged on the base 1, and the purpose of improving the coal mine screening efficiency is achieved by arranging the shaking mechanism, the shaking mechanism is provided with a collecting mechanism and a tilting mechanism, and the purpose of collecting coal briquettes is achieved by arranging the collecting mechanism, so that the coal briquettes and the coal ash can be conveniently separated, and the tilting mechanism is arranged to achieve the purpose of adjusting the inclination of the screening cylinder 5, so that the coal briquettes in the screening cylinder 5 can slide out of the screening cylinder 5, and the tilting mechanism is provided with a bracket 8, and the bracket 8 is arched, and is rotatably connected with the screening cylinder 5 on the bracket 8, and is provided with a screen hole on the cylinder wall, and the feeding pipe 51 is arranged on the screening cylinder 5, and a cylinder cover 52 is arranged on the side surface of the screening cylinder 5, and an adjusting mechanism is arranged on the screening cylinder 5, so that the purpose of adjusting the size of adjusting the screen hole is achieved by arranging the adjusting mechanism, so that the screening cylinder 5 is driven by the rotating mechanism, and the anti-blocking purpose of the coal mine screening cylinder 5 is facilitated.

Referring to fig. 1 and 3, the shaking mechanism includes a first hinge seat 22, the first hinge seat 22 is fixedly installed on the base 1, a receiving plate 25 is rotatably connected to the first hinge seat 22, a roller 27 is disposed on one side of the receiving plate 25, the roller 27 is disposed to support a lifting rod 26 to lift the receiving plate 25, so as to reduce friction, a spring 23 and a first motor 21 are disposed on the base 1, the spring 23 is disposed to connect the receiving plate 25 and the base 1, one end of the spring 23 is fixedly connected to the receiving plate 25, a rotating disc 24 is disposed at a rotating shaft end of the first motor 21, the first motor 21 is disposed to drive the rotating disc 24 to rotate counterclockwise, the lifting rod 26 is disposed on the rotating disc 24, the number of the lifting rods 26 is three, and the lifting rod 26 is disposed under the driving of the first motor 21 and under the limit of the spring 23, so as to drive the receiving plate 22 to perform water tank pivoting motion around the first hinge seat 22.

Referring to fig. 1 and 3, the collecting mechanism includes a first box 42, the first box 42 is disposed on the receiving plate 25, the top end of the first box 42 is open, coal ash is convenient to collect by disposing the first box 42, a second box 41 is inserted into the first box 42, a filter screen 43 is disposed in the second box 41, the bottom end of the top end of the second box 41 is open, and coal briquette and coal ash are convenient to separate by disposing the second box 41 with the filter screen 43 under the action of the shaking mechanism.

Referring to fig. 1 and 4, the tilting mechanism includes a second hinge seat 34 and a cylinder 31, the cylinder 31 and the second hinge seat 34 are both fixedly mounted on the receiving plate 25, the second hinge seat 34 is rotatably connected to the support 8, the second hinge seat 34 is provided to facilitate rotation of the support 8, a bar-shaped frame 35 is provided at the bottom end of the support 8, the bar-shaped frame 35 is provided to facilitate sliding of the limiting rod 33, a piston rod end of the cylinder 31 is provided with the receiving frame 32, the receiving frame 32 is U-shaped, the inner wall of the receiving frame 32 is provided with the limiting rod 33, the limiting rod 33 is cylindrical, and the limiting rod 33 is slidably connected to the inner wall of the bar-shaped frame 35.

Referring to fig. 1 and 2, the adjusting mechanism includes an outer cylinder 64, two ends of the outer cylinder 64 are provided with openings, the outer cylinder 64 is sleeved on the outer surface of the screen cylinder 5, the outer cylinder 64 is rotatably connected to the surface of the screen cylinder 5, through holes 65 are formed in the outer cylinder 64, the through holes 65 are identical to the mesh apertures of the screen cylinder 5, and are convenient to cross the meshes of the screen cylinder 5 by providing the through holes 65, so as to adjust the sizes of the meshes, a second motor 61 is provided on the screen cylinder 5, the second motor 61 is fixedly connected to the screen cylinder 5, the second motor 61 has a forward and reverse rotation function, a first gear 62 is provided at a rotating shaft end of the second motor 61, a first gear ring 63 is provided on the outer cylinder 64, the first gear 62 is engaged with the first gear ring 63, and the outer cylinder 64 is driven to rotate along the surface of the screen cylinder 5 by the second motor 61, so as to adjust the sizes of the meshes.

Referring to fig. 1 and 2, the rotating mechanism includes a third motor 71, the third motor 71 is provided to drive a second gear 73 to rotate, the third motor 71 is fixedly mounted on the bracket 8, a second gear 73 is provided at a rotating shaft end of the third motor 71, a second gear ring 72 is provided on the screening cylinder 5, the second gear 73 is meshed with the second gear ring 72, and the second gear 73 and the second gear ring 72 are provided to drive the screening cylinder 5 to rotate when the third motor 71 works, so as to facilitate the screening work of the coal mine.

Referring to fig. 1, 2 and 5, the anti-clogging mechanism includes a connecting rod 91, the connecting rod 91 is L-shaped, the connecting rod 91 is fixedly mounted on a side surface of the bracket 8, the connecting rod 91 is rotatably connected with a circular roller 92, one end of the circular roller 92 penetrates through and extends into the screening cylinder 5, a cleaning column 93 is arranged on the circular roller 92, the cleaning column 93 is arranged to facilitate cleaning of a screen hole of the screening cylinder 5, an outer ring gear 94 is arranged on the circular roller 92, an inner ring gear 95 is arranged on a left side of the screening cylinder 5, the outer ring gear 94 is meshed with the inner ring gear 95, and the outer ring gear 94 and the inner ring gear 95 are arranged to drive the circular roller 92 to rotate when the screening cylinder 5 rotates.

The working principle of the scheme is as follows: the coal mine is added into the screening cylinder 5 through the feeding pipe 51, then the feeding pipe 5 is covered, the left side of the support 8 is lifted through the air cylinder 31, so that the coal blocks in the screening cylinder 5 move to the screening cylinder 5 with the screen holes, the first motor 24 and the third motor 71 are started, the first motor 24 drives the lifting rod 26 on the rotary table 24 to perform circular motion, when the lifting rod 26 is in contact with the roller 27, one end of the bearing plate 25 is driven to move upwards, when the lifting rod 26 leaves the roller 27, the bearing plate 25 falls back to the original position under the action of the spring 23, and in the motion process, the bearing plate 25 drives the screening cylinder 5 to shake up and down, so that the purpose of improving the screening efficiency of the coal mine is achieved.

Meanwhile, the third motor 71 drives the second gear 73 to rotate, the second gear 73 is meshed with the second gear ring 72, the screening cylinder 5 is driven to rotate, the screening cylinder 5 drives a coal mine to perform turning motion, and screening of the coal mine is performed, in the rotating process of the screening cylinder 5, the outer ring gear ring 94 is meshed with the inner ring gear ring 95 to drive the round roller 92 to rotate, when the round roller 92 rotates, the screen holes are cleaned through the cleaning teeth 93 to prevent screen holes of the screening cylinder 5 from being blocked, in the screening process of the coal mine, coal briquettes and coal ash fall into the second box body 41 through the screen holes, due to the fact that the filter screen 43 is arranged in the second box body 41 and is matched with the shaking mechanism, the purpose of separating the coal briquettes and the coal ash is achieved, and the coal ash falls into the first box body 42 through the filter screen 43.

When the size of the sieve mesh needs to be adjusted, the second motor 61 is started, the second motor 61 drives the first gear 62 to rotate, the first gear 62 is meshed with the first gear ring 63, the first gear ring 63 is driven to rotate, the first gear ring 63 drives the outer barrel 64 to rotate, when the outer barrel 64 rotates, the through hole 65 on the outer barrel 64 and the sieve mesh coincidence part on the screening barrel 5 are changed, the purpose of adjusting the size of the exposed sieve mesh is achieved, the coal mine screening is facilitated, after the coal mine screening is finished, the barrel cover 52 is opened, the screening barrel 5 is lifted through the air cylinder 3 until the left side of the screening barrel 5 moves to the corresponding height, and the coal blocks in the screening barrel 5 can slide out of the screening barrel 5 conveniently.

Claims

1. The utility model provides a colliery screening installation that coal mining adopted, includes base (1), its characterized in that: the automatic filter screen is characterized in that a shaking mechanism is arranged on the base (1), a collecting mechanism and an inclining mechanism are arranged on the shaking mechanism, a support (8) is arranged on the inclining mechanism, a screening cylinder (5) is connected to the support (8) in a rotating mode, an inlet pipe (51) is arranged on the screening cylinder (5), a cylinder cover (52) is arranged on the side face of the screening cylinder (5), an adjusting mechanism is arranged on the screening cylinder (5), a blocking-preventing mechanism is arranged in the screening cylinder (5), and a rotating mechanism is arranged on the support (8).

2. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: rock the mechanism and include first articulated seat (22), first articulated seat (22) fixed mounting is on base (1), it is connected with and accepts board (25) to rotate on first articulated seat (22), one side of accepting board (25) is equipped with gyro wheel (27), be equipped with spring (23) and first motor (21) on base (1), the one end and the board (25) fixed connection of accepting of spring (23), the pivot end of first motor (21) is equipped with carousel (24), be equipped with on carousel (24) and lift pole (26).

3. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the collecting mechanism comprises a first box body (42), the first box body (42) is arranged on the bearing plate (25), a second box body (41) is inserted into the first box body (42), and a filter screen (43) is arranged in the second box body (41).

4. A coal mine screening apparatus for coal mining according to claim 1, wherein: the tilting mechanism comprises a second hinged seat (34) and an air cylinder (31), wherein the air cylinder (31) and the second hinged seat (34) are fixedly mounted on the bearing plate (25), the second hinged seat (34) is rotatably connected with the support (8), the bottom end of the support (8) is provided with a bar-shaped frame (35), the piston rod end of the air cylinder (31) is provided with a bearing frame (32), the inner wall of the bearing frame (32) is provided with a limiting rod (33), and the limiting rod (33) is slidably connected with the inner wall of the bar-shaped frame (35).

5. A coal mine screening apparatus for coal mining according to claim 1, wherein: adjustment mechanism includes urceolus (64), urceolus (64) rotate to be connected in the surface of filter cylinder (5), through-hole (65) have been seted up on urceolus (64), through-hole (65) are unanimous with the mesh aperture of filter cylinder (5), be equipped with second motor (61) on filter cylinder (5), the pivot end of second motor (61) is equipped with first gear (62), be equipped with first ring gear (63) on urceolus (64), first gear (62) mesh with first ring gear (63).

6. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the rotating mechanism comprises a third motor (71), the third motor (71) is fixedly installed on the support (8), a second gear (73) is arranged at the rotating shaft end of the third motor (71), a second gear ring (72) is arranged on the screening cylinder (5), and the second gear (73) is meshed with the second gear ring (72).

7. A coal mine screening apparatus for coal mining according to claim 1, wherein: prevent blockking up mechanism includes connecting rod (91), connecting rod (91) fixed mounting is in the side of support (8), it is connected with circle roller (92) to rotate on connecting rod (9), the one end of circle roller (92) is run through and is extended to in screening cylinder (5), be equipped with clearance post (93) on circle roller (92), be equipped with outer lane ring gear (94) on circle roller (92), the left side of screening cylinder (5) is equipped with inner circle ring gear (95), outer lane ring gear (94) mesh mutually with inner circle ring gear (95).