一、概述液压凿岩机是七十年代初开始发展起来的一种新型矿山采掘工具。经过多年来的不断改进和提高,已在国外冶金、煤炭、交通等工业部门得到推广和应用。据有关资料介绍,它和风动凿岩机相比,具有以下显著优点:(1)动力省。消耗动力仅为同类型风动凿岩机的1/4～1/5,而且动力单一,本需要配备空压机和庞大的管路设备; First, an overview Hydraulic rock drill is the beginning of the seventies began to develop a new type of mining tools. After years of continuous improvement and improvement, in foreign metallurgy, coal, transportation and other industrial sectors have been promoted and applied. According to the relevant information, it has the following significant advantages compared with the pneumatic rock drill: (1) power province. Power consumption is only the same type of pneumatic rock drill 1/4 to 1/5, and a single power, the need to be equipped with air compressor and a huge pipeline equipment;