A8-244翻译-电牵引采煤机的技术现状和发展趋势-15页中英word.docVIP

中国矿业大学2007届本科生毕业设计（论文） 第  PAGE 16 页 英文原文 The Technical Situation and Development Trend of Electrical Haulage Shearers Abstract： In this paper，the technical development history and technical situation of electrical haulage shearersfor thin seam of China are reviewed，and the main technical parameters，general structure，serialization anddevelopment trend of such sheares are introduced． Keywords： thin seam；shearer；electrical haulage；multi—motor driving；transverse arrangement German Eickhoff company and American JOY company, the mid 70s in 20 centuries develops a direct current to lead to adopt coal machine one after another.Henceforth, each mainly adopted coal machine a research a manufacturing a company to all lead to adopt coal machine to carry on to the electricity in the world a great deal of of study a development.80The age expected to appear alternate current to lead to adopt coal machine behind.90Age, the big power electricity which develops to gather electronics, micro-electronics, information management and calculator intelligence technique in the integral whole leads to adopt coal machine, like the LS series of American JOY company, British Long-Airdox the Electra, SL series of the company, the EDW, SL series of German Eickhof company, three wells in Japan three pond creation the MCLE-DR of series etc. the electricity lead to adopt coal machine.The electricity leads to adopt coal machine good and dependable sex with its function parameter Gao, automation degree Gao, operation convenience, supervision protection and examination the function perfect and economic performance Gao Deng3s advantage be quickly expanded an usage. 1 The foreign electricity leads long to adopt the coal machine development general situation 1.1German Eickhof company After 1976 developped successful direct current to lead to adopt coal machine, it was basic to stopped a liquid to press to lead a development research of adopt the coal machine and continu