apparatus for assembling and supporting platform for the steel structure of a lanu00e7age bridge combining with arrow.

摘要

the invention is directed to a device on the platform to the support assembly and the frame lanu00e7age composite steel bridge with arrow.it is determined by the setting of a teflon plate (11) on a metal plate (14), comprising a rubber sheet (13), a single shift to the metal frame of the lanu00e7age bridge along the curve of the arrow.the sliding piece is placed on a metal support (6) fixed to the floor, which is used for assembly and welding of the bridge girders.