Positioning device for rolling brush of large snow sweeper

The utility model discloses a positioning device for a rolling brush of a large-scale snow sweeper, which relates to the technical field of snow sweepers and comprises a fixed guide rail arranged at the bottom of the rolling brush and three fixed seats mounted on the fixed guide rail, and a plurality of reinforcing limiting blocks respectively corresponding to preset mounting positions of a rolling brush side support and a rolling brush middle positioning plate are fixed on the fixed guide rail. The fixing base abuts against the reinforcing limiting block and is fixed to the fixing guide rail through a bolt. The fixing seats are provided with shaft holes, and the shaft holes of the three fixing seats are coaxially arranged. Wherein one fixing seat is fixedly connected with the rolling brush middle positioning plate, and the other two fixing seats are tightly connected with the rolling brush side supports respectively. According to the utility model, the problems of low installation efficiency and poor qualifi