我国冲击反循环桩孔钻机现状与发展

Status Quo and Trend of Percussive Reverse Circulation Pile Hole Drill Rigs in China

简要介绍了国内外冲击反循环钻机的情况 ,通过代表机型 ,着重介绍了不同冲击方式的冲击反循环钻机的性能特点 。

Percussive reverse circulation drill rigs at home and abroad are briefly introduced with the emphasis put on the features of percussive reverse circulation drill rigs with different percussive modes through representative versions. Some opinions and proposals are raised on the trend of percussive reverse circulation drill rigs and the works to be done.