摘要
本文所述专用套筒扳手的研制和应用,解决了员工紧固抽油机曲柄销子冕形螺帽操作时间长,安全可靠性低的难题。
This paper describes the development and application of one special socket spanner to solve the issues of long time and reliability of fastening crown nut for crank pins of pumping unit.
出处
《石化技术》
CAS
2015年第9期88-,共1页
Petrochemical Industry Technology
关键词
保养
紧固
冕形螺帽
套筒扳手
安全
maintenance
fastening
crown nut
socket wrench
safety
