论文部分内容阅读
南京战斗机械厂、长沙矿山研究院根据一机部矿字(242)号文精神及三部竖井掘进机械化科研会战“红安会议”要求,承担了YGZ70型导轨式独立回转凿岩机的研制任务。该机于1976年8月完成设计,于1977年4月由南京战斗机械厂试制出样机20台。经厂内调试各主要参数达到设计要求后,于1977年11月14日首先在煤炭部邯邢煤炭建设
Nanjing Fighting Machinery Factory and Changsha Mining Research Institute undertook the research and development tasks of the YGZ70 rail-mounted independent rotary rock drill according to the spirit of No.1 Mine ID (242) and the requirements of “Hongan Meeting” of three shaft excavation mechanization research battles. The aircraft in August 1976 to complete the design, in April 1977 by the Nanjing Combat Machinery Plant trial prototype 20. After the factory commissioning of the main parameters to meet the design requirements, on November 14, 1977 first in the Ministry of Coal Handan Xing coal construction