Top cover power device

The utility model provides a top cover power device, which belongs to the technical field of vehicle auxiliary devices and comprises a driving mechanism, a transmission shaft, a bearing seat, a chainwheel and a support part. The driving mechanism is fixed on the front plate; the transmission shaft is fixedly connected with the driving mechanism; the bearing seat is used for fixing the transmission shaft on the front plate; the chain wheels are fixed at two ends of the transmission shaft and positioned outside the bearing seats; one end of the supporting piece is rotationally connected with the transmission shaft, and the other end of the supporting piece is used for being clamped and fixed to the front plate. According to the top cover power device, the supporting piece is installed on the outer side of the chain wheel, one end of the supporting piece is rotationally connected with the transmission shaft, and the other end is clamped and fixed with the front plate. When the transmission shaft is subjected to