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KQX120型切削潜孔两用钻机是宣化风动机械厂研制的新产品。该机系全液压传动高效能履带自行式中型钻机,主要用于以中软岩为主的矿山、建材、煤炭、冶金和国防露天工程中钻凿孔径为120毫米的垂直或倾斜炮孔,其深度最大为44米。该机在河北省邯郸水泥厂石灰石矿进行了工业性试验,累计切削钻孔3200米、潜孔钻孔250米,平均台班效率89.7米,最高台班效率达140.4米。 1987年5月15日至16日在河北省邯郸市召开了鉴定会。鉴定委员会成员听取了设计、试
KQX120 Cutting DTH dual-purpose drilling machine is Xuanhua Fengdong Machinery Factory developed new products. The machine is fully hydraulic transmission high-performance crawler self-drilling medium-sized drilling rig, mainly used in soft rock-based mines, building materials, coal, metallurgy and defense open-air engineering drilling vertical or inclined bore 120 mm hole depth The maximum is 44 meters. The machine in Handan, Hebei Province, limestone mine cement factory conducted an industrial test, a total of 3200 m drilling holes, hole 250 m diameter drill hole, the average efficiency of 89.7 m, the highest efficiency of 140.4 m. From May 15 to May 16, 1987, an appraisal meeting was held in Handan, Hebei Province. Accreditation Board members heard the design, try