Scraper conveyor

The utility model discloses a scraper conveyer which comprises a shell, a driving chain wheel, a conveying chain, a follow-up chain wheel and a power supply motor, a synchronous rotating disc is correspondingly arranged on the position, corresponding to the shell wall of the shell, in front of the driving chain wheel, and the synchronous rotating disc and the driving chain wheel are coaxially andfixedly connected together. After the driving chain wheel rotates, the synchronous rotating disc can synchronously rotate along with the driving chain wheel, a plurality of buckle teeth are evenly distributed on the side wall of the circumference of a disc body of the synchronous rotating disc, the tooth shapes of the buckle teeth are inclined in the anticlockwise direction of the circumference ofthe synchronous rotating disc, one end of the compression spring is correspondingly arranged on the blocking protruding block, and the other end of the compression spring is arranged on the blockingprotruding block. The other