凿岩是采矿工业中最重要的一项工作。目前,在我省县办和人民公社办的中小型矿山中,由于缺乏凿岩机械,大部分矿山的凿岩工作都是由人工进行的,这是一项非常繁重的体力劳动,而且人工凿岩的效率很低,需要占用大量的劳动力。为了减轻工人的劳动强度,提高凿岩效率和减少凿岩工作所占用的大量的劳动力,就必须在有条件的地方逐渐 Drilling is one of the most important tasks in the mining industry. At present, among the small and medium-sized mines run by the county office and the people’s commune in our province, due to the lack of drilling machines, the drilling work of most mines is carried out manually. This is a very heavy manual labor and the man-made drilling The efficiency is low, need to take up a lot of labor. In order to reduce the labor intensity of workers, increase the efficiency of rock drilling and reduce the large amount of labor occupied by rock drilling, they must gradually be prepared