Indoor crane
As versatile as the various indoor crane designs are, their areas of application are just as varied. The advantages of the energy chain over other cable or power supply systems are particularly evident under adverse operating conditions. Suitable for both trolley drive and crane drive, heavy-duty energy chains, with and without integrated skate wheels, can master even the most difficult operating conditions.
In the case of indoor cranes, the main power supply is usually provided via busbar systems and data transmission via wireless data systems. A drum solution (motor-driven or spring balancer) is generally used for large or harbour crane systems. Information about the drum solution can be found in the article with the title: Harbour / Large Crane Main Power and Data Supply.
The search for the best-suited cable guidance system for indoor crane applications under the influence of aggressive chemicals is a challenge. The specially developed chemically resistant igumid EG+ plastic is used both for the energy chain and for the plastic guide trough. The material’s very low total moisture absorption, which grants great resistance to aggressive chemicals, is decisive.
Energy chain systems offer a space-saving alternative for cable guidance on the slewing gear. By means of a round guide trough, the chain is guided, mounted on its side. In this way, rotation angles of up to 540° and rotation speeds of up to 360°/s can be achieved.
The cable guide problem can be solved with an energy chain on indoor cranes with two trolleys as well. But two trolleys must not always be the reason for a reverse energy chain application.