Beijing North Zhongyi Heavy Machinery Co., Ltd. : Basic Structure of Truck Crane (1)
Description：Truck crane is mainly composed of lifting, amplitude, rotary, lifting arm and car chassis. With the ....
Truck crane is mainly composed of lifting, amplitude, rotary, lifting arm and car chassis. With the development of hydraulic technology, electronic industry, high strength steel and automobile industry, the development of truck crane has been promoted. Since the heavy, long work preparation time mechanical transmission truck crane has been replaced by hydraulic truck crane. The hydraulic system of hydraulic truck crane adopts hydraulic pump, quantitative or variable motor to achieve lifting rotation, amplitude, lifting arm and leg expansion and can be single or combined action. The motor is protected from overheating and has safety devices to prevent erroneous operation. Large tonnage hydraulic truck crane selection of multi-gear pump, confluence can also achieve the acceleration of the above actions. Automatic overload safety valve, buffer valve and hydraulic lock are provided in the hydraulic system to prevent the accidents caused by overload or stall and sudden rupture of tubing during crane operation. The truck crane is equipped with a range indicator and a height limit device to prevent overload or overextension, and the roller and pulley are provided with a device to prevent the wire rope from jumping.
This article is organized by Beijing North Zhongyi Heavy Machinery Co., Ltd
