Problem
This application involves the 70t overhead crane of the Chinese manufacturer of container gantry cranes, Shanghai Heavy Industry Co. Ltd. and a 65t crane of Shanghai Zhenhua Heavy Industry Co. Energy chains were previously used for the energy supply of the trolleys of the cranes, which led to several problems, resulting in a shorter service life and increased maintenance and servicing costs. For example, high costs were incurred due to corrosion, increased friction and greater wear.
Due to the high running costs, it was decided to look for a new solution for the cable guidance. The aim was to implement an energy supply system with increased chain strength, reduced friction as well as minimized wear,
extended service life, lower noise during travel and without corrosion, and which cannot slip when running in the trough.