中高风压潜孔钻机在中深孔凿岩中的试验应用

Testing Application of High and Medium Wind Pressure Down-hole Drill in Long and Medium Hole Drilling

对现有中深孔凿岩设备存在的问题进行了分析 ,论述了研制结构简单、造价低廉、使用方便的中深孔凿岩设备的必要性 ,介绍了QZG80A中高风压潜孔钻机的技术参数、结构特点及工作原理 ,通过对使用效果和经济效益分析 。

WT5'BZ] The existing problems in the present long and medium hole drilling equipment are analysed and the necessity of developing the equipment characterised by simple structure,low cost and convenient operation is expounded.The technical parameters,structureal characteristics and working principles of QZG80A high and medium wind pressure downhole drill are presented.Based on the analysis of its applicatiion results and economical benefits,its application prospect in underground metal mines is described.