The standardpipe rack configuration for this drill consists of a long pipe cradle that is fastened to a pair of parallelogram- type swing arms.
本钻机的标准管架配置由一个长管道托架组成,该托架被固定在两个平行四边形的旋臂上。
2
On the basis of the structure of homemade standardpipe union joint, a new handy union joint, which can be easily reassembled and no special tool applied, is designed.