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CN-224208549-U - Dustproof structure for coal mine screening equipment

CN224208549UCN 224208549 UCN224208549 UCN 224208549UCN-224208549-U

Abstract

The application provides a dustproof structure for coal mine screening equipment, and belongs to the technical field of coal mine screening. This dustproof construction for coal mine screening installation includes clearance subassembly and dust removal subassembly, first screen cloth and second screen cloth can improve screening precision, the motor can drive two screws and rotate, screw rotation can drive two scraper blade piece first screen cloth and second screen cloth surfaces and remove, on the one hand can clear up the colliery that adheres to first screen cloth and second screen cloth surface, prevent to block up first screen cloth and second screen cloth, the other side can push out first screen cloth and second screen cloth surface with the colliery that does not screen, can reduce the overflow of buggy through the protection casing, cooperation rose box, fan and dust hood can absorb the buggy, can play dirt-proof effect, and then the convenience is clear up the wet sticky coal on first screen cloth and second screen cloth surface, buggy raise dust influences the surrounding environment ‌ when can prevent the colliery screening simultaneously, thereby the practicality is improved.

Inventors

  • LI QINGLONG
  • CONG RIDONG
  • PEI JIANXIN
  • YANG XIAOLONG
  • ZHANG TAO
  • GUO YU
  • WANG YONGHONG
  • MA TIANYU

Assignees

  • 国家电投集团内蒙古白音华煤电有限公司露天矿

Dates

Publication Date
20260508
Application Date
20250603

Claims (7)

  1. 1. The utility model provides a dustproof construction for coal mine screening equipment which characterized in that includes The cleaning assembly (100), the cleaning assembly (100) comprises a screening box (110), a supporting frame (120), a first screen (130), a second screen (140), a screw (150), a motor (160) and scraping pieces (170), wherein the supporting frame (120) is fixedly connected inside the screening box (110), the first screen (130) and the second screen (140) are fixedly connected to one side of the supporting frame (120), two screws (150) are rotatably connected with the screening box (110), the motor (160) is fixedly connected to one side of the screening box (110), the motor (160) is in transmission connection with the two screws (150), the two scraping pieces (170) are in threaded connection with the two screws (150), and the two scraping pieces (170) are in contact with the first screen (130) and the second screen (140); The dust removal assembly (200), dust removal assembly (200) include protection casing (210), rose box (220), fan (230) and suction hood (240), protection casing (210) with screening case (110) fixed connection, rose box (220) with protection casing (210) fixed connection, fan (230) fixed connection in rose box (220) one end, suction hood (240) through connection in protection casing (210) one side, suction hood (240) with rose box (220) intercommunication.
  2. 2. The dustproof structure for coal mine screening equipment according to claim 1, wherein a collecting box (111) is slidably connected inside the screening box (110), a sealing plate (112) is fixedly connected to one side of the collecting box (111), and a handle (113) is fixedly connected to one side of the sealing plate (112).
  3. 3. A dust-proof structure for coal mine screening apparatus as claimed in claim 1, wherein one end of the screening box (110) is provided with two discharge ports (114) corresponding to the first screen (130) and the second screen (140).
  4. 4. A dust-proof structure for coal mine screening apparatus as claimed in claim 1, wherein two limit rods (115) are fixedly connected to the inside of the screening box (110).
  5. 5. The dustproof structure for coal mine screening equipment according to claim 1, wherein one end of the screw (150) is fixedly connected with a first gear (151), the output end of the motor (160) is fixedly connected with a second gear (161), and the second gear (161) is meshed with the first gear (151).
  6. 6. The dust-proof structure for coal mine screening equipment according to claim 4, wherein the scraping member (170) comprises a screw plate (171), a scraping plate (172), a connecting block (173) and bolts (174), the screw plate (171) is in threaded connection with the screw rod (150), the screw plate (171) is in sliding connection with the limit rod (115), the scraping plate (172) is in contact with the screw plate (171), two connecting blocks (173) are fixedly connected with the scraping plate (172), two connecting blocks (173) are in sliding connection with the screw plate (171), two bolts (174) are in through connection with one side of the two connecting blocks (173), and two bolts (174) are in threaded connection with the screw plate (171).
  7. 7. The dust-proof structure for coal mine screening equipment according to claim 1, wherein the filter box (220) comprises a box body (221), a lifting plate (222), a first filter plate (223) and a second filter plate (224), the lifting plate (222) is in contact with the box body (221), the first filter plate (223) and the second filter plate (224) are fixedly connected with the lifting plate (222), and the first filter plate (223) and the second filter plate (224) are in sliding connection with the box body (221).

Description

Dustproof structure for coal mine screening equipment Technical Field The application relates to the technical field of coal mine screening, in particular to a dustproof structure for coal mine screening equipment. Background Coal mines are areas where mankind is mining coal resources in coal-rich mining areas, and are generally classified into underground coal mines and open pit coal mines. When the coal seam is far from the earth surface, coal is generally selected to be extracted from underground mining roadways, which is an underground coal mine. When the distance between the coal seam and the ground surface is very short, the earth surface soil layer is generally stripped directly to excavate coal, and the coal is an open pit coal mine. When the coal mining, need sieve the coal mine stone of equidimension through screening equipment, like the screening equipment for the coal mining of chinese patent application number CN202121790686.0, including screening equipment, base, handle and four square posts, the base is located the bottom of screening equipment, the handle is located the front side of screening equipment, square post is located the both sides at screening equipment top, top left side square post's surface cover is equipped with the accessory plate, the rear side fixedly connected with filter screen of accessory plate. According to the utility model, the clamping structure is arranged, the movable rod is pulled leftwards, the limiting plate is driven to move leftwards while the movable rod is pulled leftwards, the elastic spring is driven to contract while the limiting plate is driven to move leftwards, the top auxiliary rod is driven to move leftwards while the auxiliary rod is driven to move leftwards, the filter screen can be taken down, the auxiliary plate of the filter screen is sleeved on the surface of the square column during installation, the movable rod is loosened, and the filter screen is fixed by means of the force of the elastic spring, so that the filter screen can be conveniently replaced. However, the scheme still has certain defects that firstly, the filter screen relies on gravity or mechanical vibration to passively remove slag, mud-like caking is easy to form when wet sticky coal is encountered, frequent manual cleaning is needed, the blocking risk is increased, and secondly, the surrounding environment ‌ is influenced by dust rising of coal dust during coal mine screening of the open type screening equipment, so that the practicability is reduced. Disclosure of utility model In order to make up for the defects, the application provides a dustproof structure for coal mine screening equipment, which aims to improve the problems that a filter screen in the related art relies on gravity or mechanical vibration to passively remove slag, mud-like caking is easy to form when wet sticky coal is encountered, frequent manual cleaning is needed, the blocking risk is increased, and the surrounding environment ‌ is influenced by dust rising of coal dust during coal mine screening of open type screening equipment, so that the practicability is reduced. The embodiment of the application provides a dustproof structure for coal mine screening equipment, which comprises a cleaning assembly and a dust removing assembly. The cleaning assembly comprises a screening box, a supporting frame, a first screen, a second screen, a screw rod, a motor and scraping pieces, wherein the supporting frame is fixedly connected to the inside of the screening box, the first screen and the second screen are fixedly connected to one side of the supporting frame, the two screening boxes are rotatably connected with the screw rod, the motor is fixedly connected to one side of the screening box, the motor is connected with the two screw rods, the two scraping pieces are connected with the two screw rods in a threaded manner, the two scraping pieces are contacted with the first screen and the second screen, the dust removing assembly comprises a protective cover, a filter box, a fan and a dust hood, the protective cover is fixedly connected with the screening box, the filter box is fixedly connected with one end of the filter box, the dust hood is in penetrating connection with one side of the protective cover, and the dust hood is communicated with the filter box. In a specific embodiment, the screening box is slidably connected with a collecting box, one side of the collecting box is fixedly connected with a sealing plate, and one side of the sealing plate is fixedly connected with a handle. In the realization process, the coal mine which can be screened through the collecting box is collected, and the collecting box is conveniently taken out from the inside of the screening box through the handle. In a specific embodiment, one end of the screening box is provided with two discharge ports corresponding to the first screen and the second screen. In the implementation process, the discharge hole is arranged to faci