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斗式装岩机在国外采矿工业中,已成为井下机械化装岩的主要工具。由于它具有结构紧凑、能装各种块度岩石、能在弯道工作、造价低、服务年限较长等优点,在世界上应用最为广泛。据统计:苏联、西德、法国等国斗式装岩机均占井下装岩机总数的80％以上。斗式装岩机的缺点是生产能力较低。通常,小断
Bucket rock loader machine in foreign mining industry, has become the main tool downhole rock mechanized equipment. Because of its compact structure, can hold a variety of pieces of rock, can work in corners, low cost, longer service life, etc., the most widely used in the world. According to statistics: the Soviet Union, West Germany, France and other country bucket-mounted rock machines are accounted for more than 80% of the total number of underground rock loader. The disadvantage of bucket rock loader is its low productivity. Usually, small break