Search

CN-122007015-A - Coal shale shaker sieve belt cleaning device

CN122007015ACN 122007015 ACN122007015 ACN 122007015ACN-122007015-A

Abstract

The invention relates to the technical field of maintenance of mining equipment, and discloses a cleaning device for a screen plate of a coal vibrating screen, which comprises a cleaning box and a screen plate body, wherein a supporting table for supporting the screen plate body is arranged in the cleaning box, a movable plate is arranged in the cleaning box in a sliding manner, a plugging piece for plugging the bottom of a screen hole of the screen plate body is arranged on the surface of the movable plate, the plugging piece comprises a baffle plate arranged at the top of the movable plate, the baffle plate is connected with the movable plate through a plurality of electric push rods, the cleaning device and the plugging piece are respectively arranged above and below the screen plate body, and when the baffle plate is close to or tightly attached to the bottom of the screen plate body, the water flow for flushing the screen plate body by the cleaning device can prolong the time of staying in the screen hole, and the cleaning device further comprises a driving assembly for driving the movable plate to reciprocate in the cleaning box. The invention can improve the cleaning efficiency of the screen plate of the vibrating screen.

Inventors

  • LI CHAO
  • ZHOU WEI
  • XIA SHUWEI
  • JIN LIANG
  • SUN ZIQIANG
  • Niu Xinbin
  • ZHENG GUOTAO
  • ZHOU ZHUPING
  • LI XIAOFEI
  • LI WEI
  • HAN YOULI

Assignees

  • 淮北矿业股份有限公司
  • 安徽理工大学

Dates

Publication Date
20260512
Application Date
20251222

Claims (8)

  1. 1. The utility model provides a coal shale shaker sieve belt cleaning device, includes washs case (1) and sieve plate body (12), washs inside saddle (11) that are used for bearing sieve plate body (12) that are provided with of case (1), a serial communication port, it has movable plate (2) to slide in case (1), movable plate (2) surface is provided with the shutoff piece that is used for shutoff sieve plate body (12) sieve mesh bottom, the shutoff piece is including setting up in baffle (21) at movable plate (2) top, baffle (21) link to each other with movable plate (2) through a plurality of electric push rods (211), still include the cleaning module that is used for washing sieve plate body (12), cleaning module and shutoff piece divide to locate the upper and lower of sieve plate body (12); When the baffle plate (21) is close to or closely attached to the bottom of the sieve plate body (12), water flow of the cleaning assembly for flushing the sieve plate body (12) can prolong the time of staying in the sieve holes; the cleaning device also comprises a driving component for driving the moving plate (2) to reciprocate in the cleaning box (1).
  2. 2. The coal vibrating screen plate cleaning device according to claim 1, wherein the blocking piece comprises a baffle plate (21) arranged at the top of the movable plate (2), the baffle plate (21) is connected with the movable plate (2) through a plurality of electric push rods (211), a plurality of conical blocks (212) matched with screen holes of the screen plate body (12) are arranged at the bottom of the baffle plate (21), and conical grooves matched with the conical blocks (212) are formed in the surface of the baffle plate (21).
  3. 3. The device for cleaning the sieve plate of the coal vibrating screen according to claim 2, wherein the conical groove is internally provided with a spiral groove (213).
  4. 4. The device for cleaning the sieve plate of the coal vibrating screen according to claim 1, wherein the cleaning assembly comprises a fixed plate (22) fixedly connected to one side of the baffle plate (21), a supporting plate (221) is arranged on the surface of the fixed plate (22), a plurality of spray pipes (222) are arranged on the surface of the supporting plate (221), the spray openings of the spray pipes (222) face the direction of the sieve plate body (12), and the spray pipes (222) are connected with external water pumping equipment through water conveying pipes (223).
  5. 5. The coal shale shaker sieve belt cleaning device of claim 4, wherein spray tube (222) articulates in backup pad (221) surface, just backup pad (221) surface sliding connection has synchronizing plate (23), synchronizing plate (23) surface has seted up a plurality of movable slots (231) with spray tube (222) adaptation, spray tube (222) surface fixedly connected with slider (232) with movable slot (231) adaptation, synchronizing plate (23) one end rotation is connected with adjusting bolt (233), adjusting bolt (233) and backup pad (221) threaded connection.
  6. 6. The device for cleaning the sieve plate of the coal vibrating screen according to claim 4, wherein the supporting plate (221) is rotatably connected to the surface of the fixed plate (22), and the hinge joint of the supporting plate (221) and the fixed plate (22) is in damping rotation connection.
  7. 7. The device for cleaning the sieve plate of the coal vibrating screen according to claim 1, wherein the driving assembly comprises a driving motor (312) fixedly connected to one side of the cleaning box (1), rollers (311) are arranged at the output end of the driving motor (312) and the inner wall of the cleaning box (1), belts (31) are connected to the surfaces of the two rollers (311) in a transmission mode, and a connecting plate (3) connected with the belts (31) is fixedly connected to the surface of the movable plate (2).
  8. 8. The coal vibrating screen plate cleaning device according to claim 1, wherein a water outlet (13) communicated with the inside of the cleaning box (1) is arranged on one side of the cleaning box.

Description

Coal shale shaker sieve belt cleaning device Technical Field The invention relates to the technical field of maintenance of mining equipment, in particular to a cleaning device for a screen plate of a coal vibrating screen. Background The vibrating screen for coal mine is a core device in the coal washing and selecting processing process, and is used for bearing the key process tasks of classification, dehydration, desliming, medium removal and the like, a screen plate is used as a working surface which is directly contacted with materials, composite dirt formed by mixing fine coal powder, viscous argillaceous, mineral salts, media and the like can be inevitably remained in operation, the screen plate is cleaned regularly and effectively, and the vibrating screen is a necessary link for ensuring the continuous and stable operation of the vibrating screen and maintaining the benefit of the whole washing and selecting production line. At present, to shale shaker sieve jam problem, the most commonly adopted in the trade is the high-pressure water jet flushing scheme, but because remaining coal dirt texture is sticky, adhesive force is strong in the sieve mesh, and then, when adopting the water spray mode to wash, because the sieve mesh itself is an open structure that link up from top to bottom, the rivers pass through the speed is faster, be difficult to form effectual detention and pressure accumulation when passing through, this leads to the time of remaining in the sieve mesh of rivers extremely short, and the velocity of flow is although high static pressure on the filth is lower, make rivers be difficult to fully infiltrate, permeate and tear the mud that adheres to the sieve mesh inner wall, be unfavorable for the improvement of sieve cleaning efficiency. Disclosure of Invention The invention aims to provide a cleaning device for a screen plate of a coal vibrating screen, which aims to solve the problems of the background technology. The invention provides a cleaning device for a screen plate of a coal vibrating screen, which comprises a cleaning box and a screen plate body, wherein a supporting table for supporting the screen plate body is arranged in the cleaning box, a movable plate is arranged in the cleaning box in a sliding manner, a plugging piece for plugging the bottom of a screen hole of the screen plate body is arranged on the surface of the movable plate, the plugging piece comprises a baffle plate arranged at the top of the movable plate, the baffle plate is connected with the movable plate through a plurality of electric push rods, and the cleaning device further comprises a cleaning assembly for flushing the screen plate body, and the cleaning assembly and the plugging piece are respectively arranged above and below the screen plate body; when the baffle is close to or closely attached to the bottom of the sieve plate body, the water flow of the cleaning assembly for flushing the sieve plate body can prolong the time of staying in the sieve holes; The cleaning device also comprises a driving component for driving the moving plate to reciprocate in the cleaning box. Preferably, the plugging piece comprises a baffle arranged at the top of the movable plate, the baffle is connected with the movable plate through a plurality of electric push rods, a plurality of conical blocks matched with sieve holes of the sieve plate body are arranged at the bottom of the baffle, and conical grooves matched with the conical blocks are formed in the surface of the baffle. Preferably, a spiral groove is formed in the conical groove. Preferably, the cleaning assembly comprises a fixed plate fixedly connected to one side of the baffle, a supporting plate is arranged on the surface of the fixed plate, a plurality of spray pipes are arranged on the surface of the supporting plate, spray openings of the spray pipes face the direction of the screen plate body, and a plurality of spray pipes are connected with external water pumping equipment through water delivery pipes. Preferably, the spray pipe is hinged on the surface of the support plate, the surface of the support plate is slidably connected with a synchronizing plate, a plurality of movable grooves matched with the spray pipe are formed in the surface of the synchronizing plate, the surface of the spray pipe is fixedly connected with a sliding block matched with the movable grooves, one end of the synchronizing plate is rotatably connected with an adjusting bolt, and the adjusting bolt is in threaded connection with the support plate. Preferably, the supporting plate is rotatably connected to the surface of the fixed plate, and the hinge part of the supporting plate and the fixed plate is in damping rotation connection. Preferably, the driving assembly comprises a driving motor fixedly connected to one side of the cleaning box, rollers are arranged at the output end of the driving motor and the inner wall of the cleaning box, the surfaces of the two rollers