... 1. Bridge crane type 2. 50m span ... rail, transverse moving gearbox, trolley steel structure, winch, pulley block, hanging beam and connection ... installing boundary girder as well as lifting small articles to front abutment ... moving gearbox, transverse sliding rail, front connection frame, fixing device, rail clamping device, hydro-cylinder ... of motor and control cabinet with power about 130kw , connected ...