Pillar jib cranes to use more electric chain hoist hoisting mechanism and operating as a body, less use of wire rope electric hoist and chain hoist.
柱式悬臂起重机多采用环链电动葫芦作为起升机构和运行机构，较少采用钢丝绳电动葫芦和手拉葫芦。
2
With structural design of the hoistjib, analysis and calculation are made in such aspects as material, type of the box type section, and the local stability of the web plate.