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。
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.
八十年代初先后研制成功了定柱式旋臂起重机、壁柱式旋臂起重机，并取得了国家实用新型专利证书。
The early eighties have successfully developed a set of crane column Arm, Arm type cranes, and achieved a national utility model patent.
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