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一、概述GJD-1500型钻机是动力头式回转、冲击反循环钻机。由地矿部勘探技术研究所和地矿部张家口探矿机械厂共同研制。1983年初,国家经委和地矿部下达研制任务。研制组提交设计方案后,在1983年9月和1984年2月,由地矿部科学技术司和地矿部探矿工程装备工业公司主持,召开了两次地矿部内外十多个单位参加的方案审定会,并通过方案审定会纪要。1985年7月试制出样机、钻具和配套的泥浆循环净化系统。1985年11月—1986年1月,广东省公路工程处第一工程队,在广东省番禺县珠江下游洛溪大桥五号墩
First, an overview GJD-1500-type drilling rig is power head slewing, impact reverse circulation drilling rig. By the Ministry of Geology and Mineral Exploration Institute of Technology and the Ministry of Geology Zhangjiakou prospecting Machinery Factory jointly developed. In early 1983, the State Economic Commission and the Ministry of Geology and Minerals issued a research task. After the design team submitted the design proposal, in September 1983 and February 1984, by the Department of Geology and Minerals Science and Technology and the Ministry of Geology and Mineral Resources Exploration and Production Equipment Industry Corporation presided over the two held a number of units within and outside the Ministry of Mines to participate Program validation meeting, and approved by the program summary. July 1985 trial prototype, drilling tools and supporting mud circulation purification system. November 1985 - January 1986, Guangdong Provincial Highway Engineering Department of the first engineering team in Panyu, Guangdong Province, lower Pearl River Luoxi Bridge Pier 5