1．简介 JSHB50180型公路架桥机除能架设 50 m大跨度钢筋混凝土或预应力混凝土梁片外,还能架设50 m以下中小跨度的直交或斜交桥。本机最大起质量为180 t,架设最大跨度50m,是目前国内跨度最大的一种架桥机。本架桥机除具有整机吊梁横移及整机步履纵移的特点外,还具有双向架设作业、曲线与斜交桥梁的架设等特 1. Brief introduction JSHB50180 highway erecting machine in addition to erection of 50 m long-span reinforced concrete or prestressed concrete beam, but also erection of 50 m below the short-span of the cross or cross the bridge. The maximum capacity of this machine is 180 t, erecting the largest span of 50m, is currently the largest span of a bridge machine. In addition to the characteristics of the whole crane crane traversing and machine walking longitudinal shift, but also has a two-way erection of the bridge, the curve and the construction of special bridges