Bottom cleaning device for conveyor belt of stacker-reclaimer

The utility model relates to a bottom cleaning device for a conveyor belt of a stacker-reclaimer, which comprises a belt scraper used for scraping off materials attached to the bottom of a belt; the fixed part of the guide mechanism is fixedly connected with the inner side wall of the belt hole of the cross beam at the head part of the stacker-reclaimer, and the movable part of the guide mechanismis fixedly connected with the belt scraper; the scraping plate driving mechanism is used for driving the belt scraping plate to reciprocate along the guide mechanism; the two material collecting binsare used for collecting scraped materials and located on the two sides of a cross beam belt hole in the head portion of the stacker-reclaimer correspondingly; and the secondary scraping mechanism isused for scraping off the materials attached to the belt scraping plate and pouring the materials into the material collecting bin. The belt scraping plate reciprocates along the slide way, materialsattached to the bottom of th