What is the usefulness of the revolving center of the crane?
It consists of shell and body core, each seal between the oil to prevent oil from each other, the core of the oil channel for the annular groove.
Crane on the car turntable and get off the chassis to be 360 degrees full rotation, the center of the body is connected to get off and get on the train access mechanism.
On the train to turn, and get off can not turn, which conflict, the hydraulic pipe will be twisted winding, in order to avoid these, so there is a center of the body.
Because the car crane to get off the site is not moving, and the need to turn the car on the operation, it is necessary to turn.
The center of the truck crane is the center of the rotary joint, is connected to the car and get off the site of the key components of the hydraulic.
