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CN-122014249-A - Coal-winning machine carries foam dust device that contains two foaming valve pieces

CN122014249ACN 122014249 ACN122014249 ACN 122014249ACN-122014249-A

Abstract

The invention discloses a coal mining machine-mounted foam dust fall device with double foaming valve blocks, which comprises a shell, an angle adjusting mechanism, a foam generating mechanism and a foam spraying mechanism, wherein the shell is rotationally connected to a coal mining machine head through a connecting assembly, the angle adjusting mechanism is installed on the coal mining machine, one end of the angle adjusting mechanism is rotationally connected with the shell, the foam generating mechanism comprises a feed box, two groups of foaming assemblies and a material absorbing assembly, the material absorbing assembly is connected with the feed box, the foam spraying mechanism comprises a left foam spraying assembly and a right foam spraying assembly, the left foam spraying assembly is arranged at a cutting roller at the right end of the coal mining machine, a telescopic arm is installed at the right end of the shell, and the right foam spraying assembly is installed on the telescopic arm. The invention can quickly adsorb dust particles, greatly reduce the dust concentration of a coal mining operation site, reduce the harm of dust to the health of operators, avoid the hidden danger of dust explosion and ensure the safety of underground operation.

Inventors

  • ZHANG LINGFENG
  • GUO DAI
  • HU TAO
  • ZHANG BIN
  • XU WEIPENG
  • DENG XIN
  • WANG GUANG
  • LIU KAI
  • HU JUN
  • ZHANG XIAOYONG
  • Jia Siran

Assignees

  • 天地上海采掘装备科技有限公司
  • 中煤科工集团上海有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (9)

  1. 1. The utility model provides a coal-winning machine that contains two foaming valve pieces carries foam dust device which characterized in that includes: the shell (1) is rotationally connected to the coal mining machine head through a connecting component; The angle adjusting mechanism is arranged on the coal mining machine, one end of the angle adjusting mechanism is rotationally connected with the shell (1), and the angle adjusting mechanism is used for adjusting the angle of the shell (1); The foam generation mechanism comprises a feed box (2), two groups of foaming components and a material sucking component, wherein the material sucking component is arranged in the shell (1), the feed box (2) is arranged on the side wall of the shell (1), the two groups of foaming components are arranged in the shell (1), the material sucking component is connected with the feed box (2), the foaming components are connected with a compressed air pipeline (3), and the two groups of foaming components are connected with the material sucking component; The foam injection mechanism comprises a left foam injection assembly and a right foam injection assembly, wherein the left foam injection assembly is arranged at a cutting roller at the right end of the coal mining machine, a telescopic arm is arranged at the right end of the shell (1), the right foam injection assembly is arranged on the telescopic arm, and the left foam injection assembly and the right foam injection assembly are respectively connected with two groups of foaming assemblies.
  2. 2. The coal mining machine on-board foam dust fall device with the double foaming valve blocks according to claim 1, wherein the connecting assembly comprises a supporting seat (4), the supporting seat (4) is fixed on a coal mining machine head, the supporting seat (4) is rotatably connected with a connecting seat (5) through a first pin shaft assembly, the connecting seat (5) is fixedly connected with the shell (1) through a second pin shaft assembly, and a guard plate assembly (6) is installed on the outer wall of the shell (1).
  3. 3. The coal mining machine-mounted foam dust settling device with the double foaming valve blocks according to claim 1, wherein the angle adjusting mechanism comprises a supporting plate (7), the supporting plate (7) is fixed on a machine head of the coal mining machine, an oil cylinder (8) is rotationally connected to the supporting plate (7), a connecting lug (9) is fixedly connected to the bottom of the shell (1), and an output end of the oil cylinder (8) is rotationally connected with the connecting lug (9) through a third pin shaft assembly.
  4. 4. The coal mining machine-mounted foam dust settling device with double foaming valve blocks according to claim 1, wherein the foaming assembly comprises a foaming valve block (10), the foaming valve block (10) is arranged in the shell (1), an air inlet end of the foaming valve block (10) is connected with the compressed air pipeline (3), and a water inlet of the foaming valve block (10) is connected with the suction assembly through a water supply pipe.
  5. 5. The coal mining machine on-board foam dust fall device with the double foaming valve blocks according to claim 4, wherein the material sucking assembly comprises a material sucking valve block (11), the material sucking valve block (11) is installed in the shell (1), and the material sucking valve block (11) is connected with the foaming valve block (10).
  6. 6. The coal mining machine on-board foam dust suppression device with double foaming valve blocks according to claim 4, wherein the left foam injection assembly comprises a left foam nozzle seat (12), the left foam nozzle seat (12) is installed on a coal mining machine head and is arranged corresponding to a cutting drum at the left end of the coal mining machine head, and the left foam nozzle seat (12) is connected with one group of foaming valve blocks (10).
  7. 7. The coal mining machine on-board foam dust fall device with the double foaming valve blocks according to claim 4, wherein the right foam injection assembly comprises a right foam nozzle seat (13), the right foam nozzle seat (13) is installed on the telescopic arm, the right foam nozzle seat (13) is connected with the other group of the foaming valve blocks (10) through a rubber tube assembly, and the right foam nozzle seat (13) is arranged corresponding to a cutting roller at the right end of a coal mining machine head.
  8. 8. The coal mining machine on-board foam dust fall device with the double foaming valve blocks according to claim 5, wherein the output end of the material sucking valve block (11) is connected with a connecting pipe (14), one end of the connecting pipe (14) is connected with one group of the foaming valve blocks (10), an elbow (15) is installed on the connecting pipe (14), and the elbow (15) is connected with the other group of the foaming valve blocks (10) through a hose.
  9. 9. The foam dust suppression device for a coal mining machine with dual foaming valve blocks as recited in claim 4, wherein a filter (16) assembly is mounted on the water supply pipe.

Description

Coal-winning machine carries foam dust device that contains two foaming valve pieces Technical Field The invention relates to the technical field of dust treatment of coal mining machines, in particular to a coal mining machine-mounted foam dust settling device with double foaming valve blocks. Background In the fully-mechanized coal mining face operation of a mine, a large amount of dust is generated when the drum shearer cuts coal, so that the physical health of operators is seriously endangered, the normal operation of equipment and the production safety of the mine are also influenced, and therefore, the dust fall technology is a key link in the coal mining operation. The traditional coal mining machine adopts an external spray dust falling mode, but the external spray dust falling mode has the defects that a nozzle is easy to be blocked by dust, the maintenance difficulty is high, large-flow water flow is required to be continuously supplied, water resource waste is caused, equipment corrosion and corrosion can be caused, meanwhile, the water content of coal is greatly increased, the coal quality is influenced, in addition, the wetting ability of water mist to coal dust is weak, the dust falling efficiency is low, and the underground operation environment is further deteriorated. In order to improve the dust settling effect, the existing foam dust settling technology is gradually applied, but has the obvious defects that the device is large in size and large in occupied space, layout and operation of other equipment are restricted in a limited operation space of a mine, the fusion installation difficulty with a coal mining machine is high, the coal mining machine needs to be modified greatly, the installation complexity and the engineering quantity are increased, the foam injection distance is short, the underground environment of the mine is severe, the device is easy to damage and fail, the maintenance cost and the workload are increased obviously, meanwhile, the existing foam dust settling device also has the problems that the water pressure requirement is high, a spray head is easy to damage and the like, and the actual requirement of high-efficiency dust settling of a fully-mechanized mining working face is difficult to meet. Disclosure of Invention The invention aims to provide a coal mining machine-mounted foam dust settling device with double foaming valve blocks, which solves the problems in the prior art. In order to achieve the purpose, the invention provides the scheme that the coal mining machine-mounted foam dust settling device with the double foaming valve blocks comprises: The shell is rotationally connected to the head of the coal mining machine through the connecting component; The angle adjusting mechanism is arranged on the coal mining machine, one end of the angle adjusting mechanism is rotationally connected with the shell, and the angle adjusting mechanism is used for adjusting the angle of the shell; The foam generation mechanism comprises a feed box, two groups of foaming components and a material sucking component, wherein the material sucking component is arranged in the shell, the feed box is arranged on the side wall of the shell, the two groups of foaming components are arranged in the shell, the material sucking component is connected with the feed box, the foaming components are connected with a compressed air pipeline, and the two groups of foaming components are connected with the material sucking component; The foam injection mechanism comprises a left foam injection assembly and a right foam injection assembly, wherein the left foam injection assembly is arranged at a cutting roller at the right end of the coal mining machine, a telescopic arm is arranged at the right end of the shell, the right foam injection assembly is arranged on the telescopic arm, and the left foam injection assembly and the right foam injection assembly are respectively connected with two groups of foaming assemblies. According to the coal mining machine-mounted foam dust fall device with the double foaming valve blocks, the connecting assembly comprises the supporting seat, the supporting seat is fixed on the coal mining machine head, the connecting seat is rotationally connected to the supporting seat through the first pin shaft assembly, the connecting seat is fixedly connected with the shell through the second pin shaft assembly, and the guard plate assembly is arranged on the outer wall of the shell. According to the coal mining machine-mounted foam dust fall device with the double foaming valve blocks, the angle adjusting mechanism comprises the supporting plate, the supporting plate is fixed on the coal mining machine head, the supporting plate is rotationally connected with the oil cylinder, the bottom of the shell is fixedly connected with the connecting lug, and the output end of the oil cylinder is rotationally connected with the connecting lug through the third pin shaft assembly.