Mixer drum driving device

摘要

A mixer drum driving device comprising a mixer drum rotatably mounted in the frame of a mixer truck and a drive source that drives the rotation of the mixer drum, said device being provided with a rotating electric motor that serves as the drive source and drives the rotation of the mixer drum, a power source that supplies electricity to the rotating electric motor, and a generator that uses the rotation of the mixer drum to generate power and charge the power source.