【摘要】 论述了新型手持式气动钻机的技术方案和主要技术指标及其工作原理,介绍了该钻机的结构特点及性能检验和工业性试验情况。钻机的研制成功为煤矿实施防突孔和校检孔等一些浅孔施工提供了可靠的安全装备。更多还原

【Abstract】 Discusses technique structure,major technique parameter and the working principle of the new penumatic hand-drilling machine and describes its structural feature,performance test and industrial test.The successful development of this drilling machine provided reliable safety equipment for drilling shallow engineering hole such as outburst-prevention holes and flank holes in coal mine.更多还原