Scraper conveyor for coal mine

The invention discloses a scraper conveyor for a coal mine, and belongs to the technical field of scraper conveyors. Coal is put above a coal conveyor belt, a second driving motor is started to drivea main rotating shaft to rotate, the main rotating shaft drives a driving rotating cylinder to rotate, the driving rotating cylinder drives the coal conveyor belt to move, a width-adjustable scraper assembly and an auxiliary adjusting plate assembly are driven by the coal conveyor belt to move to achieve the coal conveying function, a linkage adjusting assembly is driven by a starting side fixingplate driving assembly to move, a supporting assembly is pushed by the linkage adjusting assembly to enable a sliding block of the supporting assembly to slide on the inner side of a limiting slidinggrooved, and then a second side fixing plate and the first side fixing plate move so as to drive the width-adjustable scraper assembly and the auxiliary adjusting plate assembly to be adjusted, so that the scraper conveyor is s