Telescoping of the boom is carried out through telescoping cylinder and steel cable, and all booms telescope simultaneously.
吊臂的伸缩是通过伸缩油缸和钢丝绳进行,各伸缩臂同步伸缩。
2
By simulating and optimizing of pouring position and cylinder variation, the theory of positional autocontrol of distributor boom is presented in this thesis.
The conventional method to determine the loading position on the hydraulic cylinder of main and auxiliary boom of weight-lifting attachment on excavator is qualitative analysis.