What does tower crane jacking up mean?
First of all, the boom and trim balance arm, unlock the top are connected with a lifting sleeve frame with the standard section, start lifting system, lifting jack will superstructure.Jiangsu Zhendong port machinery manufacturing heavy port machinery is a professional manufacturer of mechanism
Jack beam and the lifting sleeve frame is connected with the movable claw beam under the fulcrum can fall in the tower body section on the top step.
Attached tower crane upper work structure and the lifting sleeve frame connected to the lifting sleeve frame is installed on the lifting jack.
