新型长年LM37型金刚石岩心钻机是美国长年公司从1981年起实施“机械化拧卸钻杆全液压金刚石岩心钻机”计划的成果，在澳大利亚各种钻进条件下经过两年的广泛试验，已达到预定目的。该钻机具有使用可靠和易于维修的特点，拟在1985年投放国际市场。LM37钻机（外貌见图1）主要用于坑道金刚石岩 New long-term LM37-type diamond core drilling rig is the United States from 1981, the United States long-term implementation of the “mechanized unscrewing drill full hydraulic diamond core drilling rig” program results, a variety of drilling conditions in Australia after two years of extensive testing, has To achieve the intended purpose. The rig is reliable, easy to service and will be launched internationally in 1985. LM37 rig (appearance shown in Figure 1) is mainly used for tunnel diamond rock