新建铁路秦 (皇岛 )沈 (阳 )客运专线 ,采用大体积大吨位双线整孔箱梁设计 ,梁体长 2 4ｍ、宽 12 4ｍ、高 2ｍ、重 5 2 0ｔ,使用我国原有架桥机已无法运输架设。为此 ,从意大利引进集吊装、运输、架梁于一体的轮胎式运架一体机进行架梁施工 ,由运架机吊运梁、轮胎走行、下导梁 The new railway Qin (Huangdao) Shen (Yang) Passenger Dedicated Line is designed with large-volume and large tonnage double-girder entire box girder. The girder body length is 24m, width 12 4m, height 2m, weight 5200t. Has been unable to transport erection. To this end, from Italy, the introduction of lifting, transportation, racking in one of the integration of tire-type aircraft rack girder construction, lifting by the aircraft girder, tire walking, the next guide beam