Planet carrier assembly

The utility model provides a planet carrier assembly which is located on the rear side of a transmission piece and the front side of a clutch hub and comprises a planet carrier body and a plurality of bosses. The planet carrier body can rotate around a rotating axis in the front-back direction. A fixing ring protruding forwards is fixedly arranged on the front side of the planet carrier body, and the circle center of the fixing ring is the rotating axis of the planet carrier body. The fixing ring can be in transmission connection with a transmission part arranged on the fixing ring in a sleeving mode so that the fixing ring can transmit power to the transmission part. The rear side face of the planet carrier body abuts against the clutch hub. The multiple bosses are arranged on the front side face of the planet carrier body and arranged along the peripheral side of the fixing ring at intervals. The front side face of the boss abuts against the rear side face of the transmission piece. In the moving process of