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【正文】 asy to install. 4, can act as Shearer orbit. 5, can reverse run, easy to deal with the accident at the end of chain. 6, fluid can be the fulcrum of the preceding night stand. Disadvantages: 1, noload power consumption of a greater power for the total about 30%. 2, not longdistance transmission. 3, prone to swap chain, jumped the accident chain. 4, consumption of steel and more costs. Scraper conveyer with large fully mechanized face equipment supporting the use of the hydraulic support, shearer, pletion of the work face coal mining machine mining under the coal transport, transport to the subsequent transport equipment on the task, and to provide the corresponding connection means. The scraper conveyor and M
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