Electrically-driven mixer truck upper part with stress balance structure

The utility model provides an electrically-driven mixer truck upper part with a stress balance structure, and belongs to the technical field of mixer trucks. The device comprises a stirring tank and an electric driving mechanism connected with the stirring tank, the electric driving mechanism comprises a disc type motor, the disc type motor is connected with the stirring tank through a reduction gearbox, and the disc type motor is fixed on the reduction gearbox through a connecting flange. The stirring tank is obliquely arranged, the output shaft of the disc type motor, the output shaft of the reduction gearbox and the axis of the stirring tank coincide, and a stress balance mechanism is further arranged between the reduction gearbox and the disc type motor. The stress balance mechanism can share part of stress at the upper end of the connecting surface of the reduction gearbox and the disc type motor, so that the stress at the upper and lower ends of the connecting surface is in a balanced state, and the ser