门式起重机

门式起重机
门式起重机适用于露天仓库或铁路沿线进行一般的装卸及起重机搬运作业。
起重机由桥架、大车运行机构、小车、电气设备等组成。架桥采用箱形焊接结构，大车运行机构采用分别驱动。全部机构均在操纵室内操纵。起重机导电形式分电缆和滑触线两种，订货时任选一种。

gantry cranes with hook are available for general service, such as loading, unloading, lifting and transferring work in outdoor storage or railways．
It consists of four main parts, namely, the bridge structure, the travelling mechanism, the trolley and the electric equipment, The bridge is welded structure of box-type girder；individual drives are adopted for travelling mechanism on each end of the crane．AIl movements of the crane are controlled by the cabin．Either rigid shapes of steeI (angles or tees) or flexible insulated cable shalI be selected to be utilized as runway conductors and proposed in the order by the purchaser．