Energy-saving chain scraper conveyor

The utility model discloses an energy-saving chain scraper conveyor which comprises a rack, a chain plate for driving materials to move and transport, a chain transmission mechanism capable of driving the chain plate to move and a driving mechanism for providing power for the chain transmission mechanism are arranged on the rack, and a tensioning mechanism capable of tensioning a chain in the chain transmission mechanism is further arranged on the rack. A rolling mechanism capable of reducing friction force generated in the moving process of the chain in the chain transmission mechanism is further arranged on the machine frame. According to the energy-saving chain plate conveyor, through the supporting beams parallel to the conveying line and the rolling wheels arranged on the chain plates, part of sliding friction force generated when the first chain moves originally is converted into rolling friction force, so that the friction force needing to be overcome when materials with the same mass are conveyed by t