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CGJ—2型双机液压平巷凿岩台车是由华铜铜矿和北京矿冶研究院研制的。1973年11月由冶金部,一机部在鞍山联合召开矿山穿孔设备会议上,确定广泛试用。于1975年3～6月分别在河北龙烟铁矿、山东莱芜铁矿,吉林天宝山铜铅矿和云锡老厂锡矿四个矿山先后进行了工业试验。对产品的结构,机械性能和制造质量进行了考核。8月份在龙烟铁矿进行了鉴定。鉴定认为该台车研制基本上是成功的,结构比较合理,性能较好,能满足中小型矿山巷道掘进的凿岩要求,可以定型,经局部修改完善后,进行批量生产。
CGJ-2 double hydraulic swing drilling rig is developed by Huacai Copper Mine and Beijing Institute of Mining and Metallurgy. November 1973 by the Ministry of Metallurgy, a machine in Anshan joint mine piercing equipment meeting, to determine a wide range of trial. From March to June 1975, we conducted industrial tests in four mines, namely Longyan Iron Mine in Hebei Province, Laiwu Iron Mine in Shandong Province, Jilin Tianbaoshan Copper Lead Mine and Yunxi Old Factory Tin Mine. The structure of the product, mechanical properties and manufacturing quality assessment. August in Longyan iron ore were identified. It is concluded that this trolley has basically been developed successfully. Its structure is reasonable and its performance is good. It can meet the rock drilling requirements of roadway excavation in medium and small sized mines, and can be shaped. After partial modification, it is mass-produced.