起重量达 60 0 t的 JQ60 0型箱梁迈步式架桥机 ,近日由武汉工程机械研究所和山海关桥梁厂联合研制成功 ,这项由中国自主开发的重大技术装备达到了国际先进水平。山海关桥梁厂积极吸纳国际同类设备最先进的技术 ,采用的一机可架设多种梁型、全自动遥控、变频调速、横移功能等主 The JQ60 0-type box-girder step erecting machine with a capacity of 60 0 t has recently been successfully developed by Wuhan Engineering Machinery Research Institute and Shanhaiguan Bridge Factory. The major technical equipment independently developed by China has reached the international advanced level. Shanhaiguan bridge plant actively absorb the most advanced technology of similar equipment in the world, the use of a machine can be erected a variety of beam type, automatic remote control, frequency control, horizontal transfer function, etc.