PROBLEM TO BE SOLVED: To reliably scrape dirt attached to a tail pulley of a belt conveyor provided with a work machine such as a soil improvement machine or a belt conveyor device conveying dirt as well as to an inner surface of a belt, and thereby preventing the belt conveyor from snaking.;SOLUTION: A dirt scraping device comprises: pair of brackets rotatably attached to both edges of a pulley axis; and a scraper arranged between the pair of the brackets. The scraper has a pulley cleaning section at an upper portion thereof and a belt cleaner portion at a lower portion thereof.;COPYRIGHT: (C)2013,JPO&INPIT
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