Gear-shifting hub driving motor

The invention provides a gear-shifting hub driving motor, and belongs to the technical field of clutches. According to the gear-shifting hub driving motor, the problem that the structural types of centrifugal clutchs of existing gear-shifting hub driving motors are insufficient is solved. A centrifugal clutch of the gear-shifting hub driving motor comprises a driving piece and a driven piece arranged outside the driving piece in a sleeving mode. The driving piece is internally provided with centrifugal bodies capable of sliding in the radial direction of the driving piece, and first springs enabling the centrifugal body to reset. Transmission plates capable of sliding in the circumferential direction of the driving piece are arranged on one or more sides of the driving piece. A plurality of wedge grooves evenly distributed in the circumferential direction of the driving piece are formed in the outer side face of the driving piece. Each wedge groove is internally provided with a rollingcolumn and a limiting co