Torsional moment measurement on bucket wheel shaft of giant machine

Abstract

Bucket wheel loading at the present time (torsional moment on wheel shaft, peripheral cutting force) is determined from electromotor incoming power or reaction force measured on gearbox hinge. Both methods together are weighted by steel construction absorption of driving units and by inertial forces of motor rotating parts. In the article is described direct method of the torsional moment measurement, which eliminates mentioned unfavourable impacts except absorption of steel construction of bucket wheel itself.