自从法国蒙塔贝特公司的第一批液压冲击凿岩机投入市场以来,已经过去十多年了。1976年9月《矿业杂志》发表过一篇评论,介绍了当时的液压凿岩机类型和技术水平。当时评论列表说明了12家制造厂的液压凿岩机产品,后来又有5家生产这种产品,现重新列表予以介绍。普遍认为,对于一些新建露天矿、地下矿、采石场和建筑工程等,把凿岩速度和效 More than a decade has passed since the first hydraulic impact rock drill from Montaube, France, came on the market. September 1976 “Mining Magazine” published a commentary, introduced the hydraulic rock drill type and technical level. At that time, the list of commenters described the products of hydraulic rock drills at 12 manufacturing plants, followed by another 5 such products, which are now being introduced in a new list. It is generally accepted that for some new open-pit mines, underground mines, quarries and construction projects, the speed and efficiency of rock drilling