Rotation-method viscosity measurement device

The invention discloses a rotation-method viscosity measurement device. The rotation-method viscosity measurement device comprises a windshield cover, a motor, a rotating shaft, a metal hang spring, a connecting piece, a rotary piece and a proximity switch, the rotating shaft, metal hang spring and connecting piece are connected with the output shaft of the motor in sequence, a damping oil vessel is arranged on the rotating shaft or between the rotating shaft and the metal hang spring, and at least two damping rods are arranged between the damping oil vessel and the connecting piece; one end of each damping rod is fixed on the lateral surface of the connecting piece while the other end is provided with a damping piece, and the damping pieces are suspended in the damping oil vessel. The rotation-method viscosity measurement device is featured with fast measurement head synchronization speed and high measurement result precision.