Comparing with several grain scrapers on the market and find that there are some defects between them. A new grain scraper is developed. This new kind of grain scraper adopts spiral and promoting the combination of strong structure and the production can reach to 120t/h.This new grain scraper overcome the current existing shortcomings and the insufficiency of grain scraper on the market. At the same time this new grain scraper solve the problem of winding the scraper with hemp rope and impacting perforated ventilation duct and equipment on the ground, which greatly improve the efficiency and life span of grain scraper.