CN210995194U

CN210995194U - Screening plant for coal mining

Info

Publication number: CN210995194U
Application number: CN201921675230.2U
Authority: CN
Inventors: 刘文利; 上官志云; 丁帅华; 张宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-14
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to the technical field of coal mining, in particular to a screening device for coal mining, which comprises a base plate, wherein supporting plates are welded on two sides of the top of the base plate, a transverse plate is welded on the top of the supporting plates, a fixed block is welded on the left side of the top of the transverse plate, a motor is bolted on the top of the fixed block, fixed plates are welded on two sides of the top of the base plate and on the right side of the fixed block, a screen frame is rotatably connected between the two fixed plates through a rotating shaft, and the top and the bottom of the inner wall of the screen frame are both; the utility model discloses a set up diaphragm, motor, fixed plate, reel, first filter and second filter, solved traditional screen cloth and can be blockked up by the cinder problem at the screening in-process, possess and to rock the screen cloth when screening, prevent that the screen cloth from blockking up, influence the advantage of screening, through adopting dual filtration, can carry out tertiary screening to the colliery, increased work efficiency, the practicality is strong, is worth promoting.

Description

Screening plant for coal mining

Technical Field

The utility model relates to a coal mining technical field specifically is a screening plant is adopted in 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, and when a coal seam is far from the ground surface, coal mining is generally selected to an underground excavation roadway, which is the underground coal mine, and when the coal seam is very close to the ground surface, coal mining is generally selected to directly strip a surface soil layer, which is the opencast coal mine. The vast majority of coal mines in China belong to underground coal mines.

Generally need sieve the colliery after the coal mine stone exploitation, go out the cinder screen, but the screen cloth that uses at present often can be blockked up by the cinder at the screening in-process, and when the screening, great colliery then can occupy the area of screen cloth in addition, influences the efficiency of screening, for this reason, we propose a screening plant for coal mine exploitation for solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screening plant is adopted in coal mining possesses and to rock the screen cloth when screening, prevents that the screen cloth from blockking up the advantage that influences the screening, has solved traditional screen cloth and can be blockked up by the cinder in screening process problem.

In order to achieve the above object, the utility model provides a following technical scheme: a screening device for coal mining comprises a bottom plate, wherein supporting plates are welded on two sides of the top of the bottom plate, a transverse plate is welded on the top of the supporting plates, a fixed block is welded on the left side of the top of the transverse plate, a motor is bolted on the top of the fixed block, fixed plates are welded on two sides of the top of the bottom plate and positioned on the right side of the fixed block, a screen frame is rotatably connected between the two fixed plates through a rotating shaft, clamping grooves are formed in the top and the bottom of the inner wall of the screen frame, a first filter plate and a second filter plate are respectively clamped on the inner side of the screen frame from top to bottom through the clamping grooves, an output shaft of the motor is bolted on a connecting rod through a shaft connector, a transmission rod is sleeved on the surface of the connecting rod, a rotating rod is welded at the front end of the bottom of the left side of the screen frame, and a slag discharge hopper corresponding to the position of the slag discharge port is welded at the bottom of the transverse plate.

Preferably, the first filter plate has a filter pore size of 4 to 6 cm, and the second filter plate has a filter mesh pore size of 1.5 to 3 cm.

Preferably, the front of reel rotates through the pivot and is connected with the frame door, the welding of the positive left side of reel has the socket, the through-hole that the cooperation socket used is seted up in the front of frame door, and the inside joint of socket has the bolt.

Preferably, the slag collecting box corresponding to the slag discharging hopper is placed at the top of the bottom plate, and positioning blocks are welded at the top of the bottom plate and positioned on two sides of the slag collecting box.

Preferably, pulleys are bolted to four corners of the bottom plate, and self-locking devices are mounted on the pulleys.

Preferably, the left side of the fixing block is bolted with a handrail, and the top of the handrail is bonded with a non-slip mat.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up diaphragm, motor, fixed plate, reel, first filter and second filter, solved traditional screen cloth and can be blockked up by the cinder problem at the screening in-process, possess and to rock the screen cloth when screening, prevent that the screen cloth from blockking up, influence the advantage of screening, through adopting dual filtration, can carry out tertiary screening to the colliery, increased work efficiency, the practicality is strong, is worth promoting.

Drawings

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

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is a front cross-sectional view of the screen frame of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a transverse plate; 4. a fixed block; 5. a motor; 6. a fixing plate; 7. a screen frame; 8. a first filter plate; 9. a second filter plate; 10. a connecting rod; 11. a transmission rod; 12. a rotating rod; 13. a slag discharge hopper; 14. a frame door; 15. a slag collection box; 16. a pulley; 17. a handrail.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a screening device for coal mining comprises a base plate 1, wherein support plates 2 are welded on two sides of the top of the base plate 1, a transverse plate 3 is welded on the top of the support plates 2, a fixed block 4 is welded on the left side of the top of the transverse plate 3, a motor 5 is bolted on the top of the fixed block 4, fixed plates 6 are welded on two sides of the top of the base plate 1 and on the right side of the fixed block 4, a screen frame 7 is rotatably connected between the two fixed plates 6 through a rotating shaft, clamping grooves are respectively formed in the top and bottom of the inner wall of the screen frame 7, a first filter plate 8 and a second filter plate 9 are respectively clamped on the inner side of the screen frame 7 from top to bottom through the clamping grooves, an output shaft of the motor 5 is bolted with a connecting rod 10 through a shaft connector, a transmission rod 11 is sleeved on the surface of the connecting rod 10, the row's cinder notch has been seted up at the top of diaphragm 3 and the bottom that is located reel 7, the bottom welding of diaphragm 3 has the sediment fill 13 of corresponding row's cinder notch position, through setting up diaphragm 3, including a motor, an end cap, a controller, and a cover plate, fixed plate 6, reel 7, first filter 8 and second filter 9, the problem that traditional screen cloth can be blockked up by the cinder at the screening in-process has been solved, it can rock the screen cloth when screening to possess, prevent the screen cloth and block up, influence the advantage of screening, through adopting dual filtration, can carry out tertiary screening to the colliery, and the work efficiency is increased, therefore, the clothes hanger is strong in practicability, and is worthy.

In this embodiment, the first filter plate 8 has a filter pore size of 4 to 6 cm, and the second filter plate 9 has a filter mesh pore size of 1.5 to 3 cm, so that the pressure caused by one filter mesh is reduced and the screening efficiency is increased by double filtration.

In this embodiment, the front of reel 7 is rotated through the pivot and is connected with frame door 14, and the welding of the positive left side of reel 7 has the socket, and the through-hole that the cooperation socket used is seted up in the front of frame door 14, and the inside joint of socket has the bolt, and frame door 14 can conveniently open reel 7 for first filter 8 and second filter 9 can extract, are convenient for collect the colliery.

In this embodiment, the corresponding collection sediment case 15 in sediment fill 13 position is placed and row to the top of bottom plate 1, and the top of bottom plate 1 and the both sides welding that are located collection sediment case 15 have the locating piece, can conveniently collect the cinder through collection sediment case 15, can fix a position the position of collection sediment case 15 through the locating piece, prevent that collection sediment case 15 does not correspond with sediment fill 13 positions when placing, cause the cinder to spill and leak.

In this embodiment, the pulleys 16 are bolted to four corners of the bottom plate 1, the self-locking device is installed on the pulleys 16, and the pulleys 16 are arranged, so that the device can be moved conveniently, and the practicability of the device is improved.

In this embodiment, the left side of the fixing block 4 is bolted with a handrail 17, the top of the handrail 17 is bonded with a non-slip mat, and the device can be conveniently pushed by the handrail 17 and the non-slip mat, so as to bring convenience to users.

The working principle is as follows: before use, the device is pushed to a designated working area through the pulley 16 and the handrail 17, then the motor 5 is turned on, the output shaft of the motor 5 rotates to drive the connecting rod 10 to rotate, the connecting rod 10 continuously pulls and pushes the rotating rod 12 through the transmission rod 11 in the rotating process to drive the rotating rod 12 to do reciprocating arc motion, so that the screen frame 7 does reciprocating swing motion through the fixing plate 6, the mined coal mine is put into the screen frame 7 from the top, the coal mine is firstly filtered by the first filter plate 8 after entering the screen frame 7 and then filtered by the second filter plate 9, when the coal mine is positioned at the tops of the first filter plate 8 and the second filter plate 9, the coal mine is driven to move in the screen frame 7 all the time due to reciprocating swing of the screen frame 7, and compared with linear reciprocating motion of some screening devices, the action force given to the coal mine by the reciprocating swing motion is larger, and screening of the coal mine is more convenient, the colliery is screening the in-process, great colliery can be retained at the top of first filter 8, medium colliery can be retained at the top of second filter 9, and less cinder then can be through arranging the cinder notch and arrange sediment fill 13 and get into album sediment case 15, extract the bolt at last, open frame door 14, steadily take out first filter 8 and second filter 9 from the draw-in groove, can collect the colliery after screening, and album sediment case 15 then collects the cinder, it is convenient to collect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screening plant for coal mining, includes bottom plate (1), its characterized in that: the novel screen frame is characterized in that supporting plates (2) are welded on two sides of the top of the bottom plate (1), transverse plates (3) are welded on the top of the supporting plates (2), fixed blocks (4) are welded on the left sides of the tops of the transverse plates (3), motors (5) are bolted on the tops of the fixed blocks (4), fixed plates (6) are welded on two sides of the top of the bottom plate (1) and positioned on the right sides of the fixed blocks (4), a screen frame (7) is connected between the two fixed plates (6) in a rotating mode through a rotating shaft, clamping grooves are formed in the top and the bottom of the inner wall of the screen frame (7), a first filter plate (8) and a second filter plate (9) are respectively clamped on the inner side of the screen frame (7) from top to bottom through the clamping grooves, connecting rods (10) are bolted on output shafts of the motors (5) through shaft couplers, transmission rods (11) are sleeved on the surfaces, the utility model discloses a slag discharge device, including transfer line (11), connecting rod (10), the top of diaphragm (3) is located the bottom of reel (7) and has been seted up the slag discharge mouth, the bottom welding of diaphragm (3) has slag discharge fill (13) corresponding with slag discharge mouth position, the transfer line (11) keep away from a pot head of connecting rod (10) and establish the surface of bull stick (12).

2. A screening apparatus for coal mining as claimed in claim 1, wherein: the filter pore size of the first filter plate (8) is 4-6 cm, and the filter mesh pore size of the second filter plate (9) is 1.5-3 cm.

3. A screening apparatus for coal mining as claimed in claim 1, wherein: the front of reel (7) is rotated through the pivot and is connected with frame door (14), the positive left side welding of reel (7) has the socket, the through-hole that the cooperation socket used is seted up in the front of frame door (14), and the inside joint of socket has the bolt.

4. A screening apparatus for coal mining as claimed in claim 1, wherein: the slag collecting box (15) corresponding to the slag discharging hopper (13) is placed at the top of the bottom plate (1), and positioning blocks are welded at the top of the bottom plate (1) and positioned on two sides of the slag collecting box (15).

5. A screening apparatus for coal mining as claimed in claim 1, wherein: pulleys (16) are bolted at four corners of the bottom plate (1), and self-locking devices are installed on the pulleys (16).

6. A screening apparatus for coal mining as claimed in claim 1, wherein: the left side of the fixed block (4) is bolted with a handrail (17), and the top of the handrail (17) is bonded with an anti-skid pad.