The utility model provides a rotation type piezoelectric harvester, belongs to new forms of energy technical field, including guide arm, quality piece, driving gear, actuating mechanism and frame, theguide arm lower extreme passes through bearing fixed connection, guide arm upper end and quality piece flange joint with fixed base plate, driving gear sleeve establishes on the guide arm and throughshop bolt and guide arm fixed connection, actuating mechanism includes driven gear, piston axle and piezoelectric harvester, it is epaxial at the piston that driven gear passes through the fix with screw, and driven gear and driving gear intermeshing constitute T -shaped shaft bevel gear, the piston axle is the step shaft, and the piston axle passes through the bearing and is connected with the frame, piezoelectric harvester assembly is epaxial at the piston, and piezoelectric harvester and piston hub connection department are provided with the sealing washer, the utility model discloses a rotation type piezoelectric harvester has compensatied current piezoelectricity prisoner can the structure can not directly can convert rotating machinery into electric energy not enough, simple structure, and the output of finite volume's great energy is convenient for realize by design simple to operate.