Hydraulic mechanical waste rock blocking device of crossheading belt conveyor

The utility model provides a hydraulic mechanical waste rock blocking device of a crossheading belt conveyor, which belongs to the technical field of coal mine electromechanics and comprises a waste rock blocking plate and a belt supporting assembly. The gangue blocking plate is mounted above the upper belt through the mounting frame; the belt supporting assembly is installed below the upper belt. The gangue blocking plate is connected with the top of the mounting frame through a telescopic oil cylinder I; the belt supporting assembly comprises a rectangular fixed bottom frame, a rectangular movable top frame, a hinge rod and a telescopic oil cylinder II. The four hinge rods are located at the four corners of the rectangular fixed bottom frame respectively, the top ends are hinged to the rectangular movable top frame, and the bottom ends are hinged to the rectangular fixed bottom frame. The two telescopic oil cylinders II are obliquely and symmetrically arranged on the two sides of the middle line of the uppe