It has four mechanical shifts, and its speed could be adjusted by hydraulic pressure with steplessspeedchange.
它有四个主要的机械位移,其速度可以调整,由液压压力与无级调速改变。
2
The winch adopted valve-controlled proportional speed regulation hydraulic drive and PLC control to realize steplessspeedchange of the winch drum and coordinating control of the cable layer.
管线绞车采用阀控比例调速液压驱动、LC控制,实现了卷筒的无级变速和排缆器的协调控制。
3
Total hydraulic pressure, rear wheel drive, frequency and radiation conversion, articulated direction change, two steplessspeed changes, advanced technology;