七十年代,在矿山推广的液压凿岩机和台车,主要用于平巷或横巷掘进中的水平孔凿岩。在采矿中应用,最初仅限于房柱采矿法,因其水平的凿岩爆破方法与巷道掘进基本相同。在井下水平凿岩中推广液压凿岩台车的同时,通常用于钻凿下向垂直孔或近于垂直 In the seventies, hydraulic rock drills and trolleys popularized in mines were mainly used for horizontal hole drilling in roadways or cross-heading excavations. In the mining application, initially limited to the column and column mining method, because of its level of drilling and blasting methods and tunneling basically the same. In the horizontal drilling underground to promote hydraulic rock drill trolley at the same time, usually used to drill down to the vertical hole or near vertical