Chain scraper conveyor

A new art scraper chain conveyor, which comprises a frame, a drive chain and a slave chain equipped on the two ends of the frame, a scraper chain circled around the frame. A tighten device is also provided with the end of slave chain of the frame. The improvement of the utility model lies in: a. An outer alloy sleeve is equipped on the axle hole of the scraper chain in the said scraper chain device, an inner alloy sleeve is provided with the pin axle; b. A tightening spring is provided with the rear of the adjustable screw in the said tightening device; The utility model solves the problem of quick abrasion of connection pin axle, frequent adjustment and replacement tightening device existed in the original scraper conveyor, which is extensively applied in metallurgy, coal, chemistry, power and architecture etc industry, which is ideal device for chamotte material at palletizing plant and steel plant in the steel industry.