机械式自动垂直钻具执行机构内部流场规律研究
马超群,张凯,柴麟,刘宝林,周琴

Research on internal flow field law of mechanical automatic vertical drilling tool actuator
Chao-qun MA,Kai ZHANG,Lin CHAI,Bao-lin LIU,Qin ZHOU
图5 新型执行机构的工作原理示意
Fig.5 Schematic diagram of working principle of new actuator