WD70型全回转架梁起重机的设计

摘要

介绍了一种用于钢桁架桥梁杆件架设施工的架梁起重机.详细叙述了该起重机的桥型特点、架设难点和解决方法,阐述了架梁起重机的结构形式、变坡原理、整机纵移机构、起升机构、支顶、后锚固及电气控制系统.%The paper introduces a girder erecting crane for erection construction of steel truss bridge bars, details the bridge type, erection difficulties, and the solutions, and describes the crane's structural type, slope climbing mechanism, longitudinal moving mechanism, hoisting mechanism, support top, rear anchoring and electrical control system.