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六、液压凿岩机的使用当前,液压凿岩机的使用范围和使用量都在不断的扩大和增多。起初,液压凿岩机主要应用于大型隧道的快速掘进中。例如,1970年～1975年间,欧洲阿尔卑斯山脉开凿的九条大型隧道中,有七条采用液压凿岩机凿岩。装在多机台车上,配用液压凿岩机制造厂生产的整套液压动力机组、电一液控制装置、散热器和自动控制装置。与此同时,有些凿岩机安装在单机台车上,用在矿山的小断面巷道掘进中,也有的用于采矿中。法国、美国、瑞典等国的一些矿山,把液压凿岩机应用于房柱法和水平分层充填法中钻凿水平炮孔。一些国家的露天采石场也采用重型液压凿岩机凿岩。还有些地下矿山用液压凿岩机钻凿扇形或环形深孔。一些新建矿山全
Sixth, the use of hydraulic rock drill At present, the use of hydraulic rock drill range and use are constantly expanding and increasing. At first, hydraulic rock drill was mainly used in fast tunneling of large tunnels. For example, from 1970 to 1975, seven of nine large tunnels excavated in the European Alps were rock drilled with hydraulic rock drills. Installed in a multi-machine trolley, equipped with hydraulic rock drilling machine manufacturer’s complete set of hydraulic power units, electric liquid control device, radiator and automatic control device. In the meantime, some rock drills are installed on single-unit trolleys for small-section tunneling in mines and some for mining. Some mines in France, the United States, Sweden and other countries used hydraulic rock drills to drill horizontal bores in house and column methods and horizontal stratification and filling methods. Open-pit quarries in some countries are also drilled with heavy hydraulic rock drills. Still other underground mines use hydraulic rock drills to drill fan-shaped or annular deep holes. Some new mines all