According to the problem that the welding seam of the main winchdrum structure is easy to crack, this article analyzes the cause and puts forward efficient measures of reducing it's ouurrence.
根据主井绞车滚筒结构的开焊情况,分析了开焊的因素,提出了减少开焊的措施。
2
The winch adopted valve-controlled proportional speed regulation hydraulic drive and PLC control to realize stepless speed change of the winchdrum and coordinating control of the cable layer.