Brake device of mining belt conveyor

The utility model discloses a brake device of a mining belt conveyor, and relates to the technical field of conveyors. Comprising two lifting arms, the two lifting arms are arranged on the left and right, mounting plates are fixedly mounted on the upper surfaces of the lifting arms, first telescopic mechanisms are mounted on the lower surfaces of the mounting plates and located on the opposite faces of the left and right lifting arms, and first sliding blocks are mounted on the lower surfaces of the first telescopic mechanisms through first fixing mechanisms; a first rectangular box is fixedly installed between the left first sliding block and the right first sliding block, a scraping mechanism is arranged on the upper surface of the first rectangular box, and a rectangular opening allowing the first sliding blocks to be installed is formed in the suspension arm; the scraping mechanism and the brake pad clamp and fix the lower side rubber belt of the conveyor, the clamping force is adjusted, the rubber belt c