摘要
通过对游梁式抽油机对接式连杆下接头连接螺栓的失效分析,指出了采用双螺母防松时,将薄型螺母放置在外侧是不恰当的。
Through the failure analysis of connecting bolt of down rod, it points out that it is not correct to put the thinner nut outer side if the double nut anti-loose method is adopted.
出处
《石油矿场机械》
2007年第1期44-45,共2页
Oil Field Equipment
关键词
抽油机
螺栓
失效
连接
pumping unit
bolt
failure
connection
