Gear and rack type bridge large-displacement telescopic device

• Main Authors: LIU JUN, CHEN YUNZE, XIA JUNYONG, CHEN HONGCHUN, YU LANG, FAN SHAOGUO, HU JINGTAO, XU JIANHUA, LONG SHUNHAI, XU XIJIANG, LIANG JUNSONG, JIANG RUIQIU, YANG CHUNPING, LUO XINGWEN
• Format: Patent
• Language: Chinese; English
• Published: 07.08.2020
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; OR VIADUCTS; PERMANENT WAY; PERMANENT-WAY TOOLS

The invention discloses a gear and rack type bridge large-displacement telescopic device. The device comprises two groups of base assemblies which are mounted at the end parts of two butt-joint bridges in a one-to-one correspondence manner, bridge connecting end fixed sleepers which are fixed between a group of base components bridged and fixed on the same bridge and arranged perpendicular to therailway steel rail; two joists which are arranged in parallel with a railway steel rail, are buckled on the bridge connecting end fixed sleepers of two butted bridges and are respectively arranged ontwo sides of the railway steel rail; movable sleepers which are arranged perpendicular to railway steel rails, connected to the two joists in a buckled mode and arranged between the bridge connectingend fixed sleepers of the two butt-joint bridges, and the gear and rack telescopic assemblies are connected between the bridge connecting end fixed sleepers and the movable sleepers on the same side.By means of the scheme, the