Big-lump-coal crushing device for medium-thickness-coal-seam face and crushing process

A technology of crushing device and large lump coal, applied in grain processing and other directions, can solve the problems of coal blockage at the unloading point of the conveyor and the inlet point of the loader, and achieve the effect of simple installation method, compact structure and simple operation.

Active Publication Date: 2015-09-30
CHINA COAL ZHANGJIAKOU COAL MINING MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The first purpose of the present invention is to provide a large coal crushing device in the medium-thick coal seam working fa...

Method used

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  • Big-lump-coal crushing device for medium-thickness-coal-seam face and crushing process
  • Big-lump-coal crushing device for medium-thickness-coal-seam face and crushing process

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Embodiment Construction

[0030] Carry out the specific embodiment of the present invention in detail below in conjunction with accompanying drawing:

[0031] Such as Figure 1 to Figure 4 As shown, the large coal crushing device in the medium-thick coal seam working face includes a fixed base 2, a rotary seat 3, a rotary shaft 4, a rocker arm 5, a vertical swing cylinder 6, a briquetting block 7, a crushing fixed frame 8, and a hydraulic hammer attitude control cylinder 9. Small connecting rod 10, crushing turret 11, full hydraulic crushing hammer 12, horizontal swing oil cylinder 13, rake bucket 14, the support plate 21 on the fixed base 2 is fixed with the working surface conveying equipment 1 through the pin shaft, and there is a gap The cable space B is convenient for the layout of hydraulic pipelines, cables, control lines and other cables at the head; One end is clamped in the arc-shaped track groove C of the pressing block 7, the other end of the horizontal swing cylinder 13 is hinged to the f...

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Abstract

The invention relates to the mining and conveying field of a fully-mechanized coal mining face of an underground coal mine, in particular to a big-lump-coal crushing device for a medium-thickness-coal-seam face and a crushing process, and solves the problem that the unloading point of a face conveyor and the entry point of a reversed loader are blocked by big lump coal. The big-lump-coal crushing device comprises a fixed base, a revolving seat, a revolving shaft, a rocker arm, a vertical swinging oil cylinder, a pressing block, a crushing fixing frame, a hydraulic hammer attitude control oil cylinder, a small connecting rod, a crushing rotating frame, a fully-hydraulic crushing hammer, a horizontal swinging oil cylinder and a scraper bucket, wherein the fully-hydraulic crushing hammer can be adjusted in the horizontal direction, the vertical direction, the fore-and-after direction, the crushing angle and the like, and the scraper bucket can be flexibly mounted and dismounted according to requirements of the face. The crushing process adopts the optimal crushing angle to respectively crush still big lump coal and moving big lump coal, and has a relatively high crushing efficiency. The big-lump-coal crushing device is compact in structure and simple to operate, can reduce the labor intensity of workers, and effectively meets the quick-mining and quick-pushing objective demand of the fully-mechanized coal mining face of a coal mine.

Description

Technical field: [0001] The invention relates to the mining and conveying field of fully mechanized mining working faces in underground coal mines, in particular to a bulk coal crushing device for working faces of medium-thick coal seams. Background technique: [0002] In the mining face of medium-thick coal seam, with the increase of mining height and mine pressure, large pieces of coal fall off frequently, and even large pieces of coal fall off in pieces. Large pieces of coal falling into the conveyor chute not only affect the normal transportation of the coal flow, but also when it reaches the conveyor head, it is difficult to unload at the unloading point of the conveyor, even if it is unloaded to the reloader, it is difficult to enter the reloader entry point In the box-type conveying trough at the place, it is easy to cause serious blockage in the fan-shaped area at the intersection of the working surface and the trough, and even be forced to stop. At present, the pro...

Claims

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Application Information

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IPC IPC(8): B02C1/14B02C25/00B02C23/00
Inventor 张建军毕伟王宁高雷邵彩虹张得宁孙鹭胡南
Owner CHINA COAL ZHANGJIAKOU COAL MINING MACHINERY
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