It consists of the girders ,trolley and electric equipment etc .The bridge is welded structure of box -type girder ,individual drives are adopted for traveling mechanism on each end of the crane .all movements of the crane are controlled from the cabin .

• 本起重机由桥架、小车、电气设备等到部分组成，桥架采用箱型双梁焊接结构，大车运行机构采用分别驱动，全部机构均在操场室内操纵。