The gantry transport system is key equipment which is used in the electrolysis workshop and the bath overhaul workshop and solves the off-line overhaul problem of equipment such as a cathode part of an electrolysis bath and an electrolysis multifunctional unit, and is mainly used for transporting a cathode crown block and the electrolysis multifunctional unit at different positions of the electrolysis workshop and the overhaul workshop.
The gantry transport system is composed of two gantry transport vehicles and two sets of rail lifting beams, the two gantry transport vehicles are arranged in the overhaul workshop, and the rail lifting beams are respectively arranged in two electrolysis plants.