Device for changing moving direction of hydraulic piston rod of stepping type sintering machine car pusher

A device for changing the moving direction of a hydraulic cylinder piston rod of a stepping type sintering machine car pusher is characterized in that a hydraulic cylinder body is arranged in a hydraulic cylinder mounting frame of the car pusher, the hydraulic cylinder body is a double-piston hydraulic cylinder and is provided with a left end piston rod and a right end piston rod, and a left end fixed pulley assembly is arranged at the position, close to the boundary of a concrete base, of the left end piston rod; a mounting plate is arranged on the concrete base, a left-end guide wheel assembly is arranged on the mounting plate, cart rods are arranged on the left-end guide wheel assembly and penetrate through a cross beam to be symmetrically arranged on the two sides of the cross beam, a left-end steel wire rope is arranged on the cross beam, and the other end of the left-end steel wire rope is wound around a left-end fixed pulley to be fixed to a left-end piston rod; according to the utility model, the fixe