The strength calculation is safe and reliable on basis of the calculation result,which provides reasonable selection and structure optimization design for the hook on electrolysis multifunction overhead crane.

The gap between the domestically made PTM and imported one and its upgrading;

The multifunctional crane is the essential equipment in the electrolytic aluminum factory production.

This paper introduces that working principles of the soft starter,and its practical application of results in rotary agency of multifunctional crane for Aluminium electrolysis.

This paper discusses one automatic follow-up technology for the steering of multifunctional cranes,that is,in cranes where drivers need to change operation directions,when using the position signal of driver s seat to operate crane with handles,the moving directions of all the mechanisms of the crane keeps in line with the driver s direction.

The article enumerates common rail gnawing phenomena in multi-function crane,makes an analysis from the aspects of rail,wheel,and routine operating rules,provides suggestions to improve the rail gnawing in roasting multi-function crane in order to the safe and stable operation of the roasting multi-function crane.

This paper analyzes the problem of aluminum electrolysis multifunction overhead crane,presents RTCP-KY38 electronic control apparatus for tool rotation position on aluminum electrolysis multifunction overhead crane from the aspects of main feature,working principle,composition,installation and use.

The control circuit of 14 motors for multi-functional overhead crane control system of electrolysis hall of Aluminum Corp.