1) take a stretch on pipe
拉长钻杆定卡点
2) draught link anchorage
拉杆固定点
3) drill pipe elevator
钻杆吊卡
1.
After an analysis of the 3D stress field on a Model CD350 drill pipe elevator, the stress intensity factors(SIFs) of the surface corner crack with different depths and shapes on the critical section are worked out by the finite element displacement method, and the pattern of variation of SIFs along the front of the crack is presented.
对ＣＤ３５０钻杆吊卡三维应力场进行了分析，进而采用有限元位移法求解危险截面处不同深度和不同形状表面角裂纹的应力强度因子。
5) drill adapter
钻杆卡头
6) pipe becoming stuck
钻杆被卡
补充资料：拉杆
（～儿）①安装在机械或建筑物上起牵引作用的杆形构件，如自行车闸上的长铁棍。②由不同直径的管状物套接而成的杆，能拉长或缩短：～支架ㄧ～天线。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条