Products & Services

Tunnel Portal Gantry Crane is major equipment for shield method construction, which is used for lifting the duct pieces and lithosols at the initial well head. This kind of gantry crane is normally double girder gantry crane, which is composed of gantry, carne travel mechanism, trolley, waste flip institution, suspended beam and electric equipment. It is easily and flexibly operated, safe and reliable, stably qualified, of low labor strength, and high work efficiency, which is perfectly applicable for tunnel construction.