论文部分内容阅读
设计了一种可用于伸缩式主副钻臂的回转机构，该机构采用了螺旋回转液压缸，不仅能使钻臂在一定范围内伸缩，而且还可实现３６０°的回转。
A swivel mechanism that can be used for telescopic main and auxiliary drilling arms is designed. The mechanism adopts a spiral swivel hydraulic cylinder, which can not only extend and retract the boom within a certain range, but also achieve 360 ° swivel.