Unpowered pyramid grid material distribution device for squat silo

An unpowered pyramid grid material distribution device for a squat silo comprises a discharge hopper fixed inside a silo top, a turn-back chute fixed inside a silo wall, an inclined chute connected with the discharge hopper and the turn-back chute, a chute buffer box, a branch chute and a pressure door, and is characterized in that a material distribution chute connected with the inclined chute is arranged under the discharge hopper; the top end of the material distribution articulated chute is provided with a material distribution articulated chute feed port corresponding to the discharge hopper; an electric gate valve is arranged on the material distribution articulated chute; a material buffer box is arranged at the lower end of the material distribution articulated chute; a pyramid grid material distribution box is arranged at the lower end of the material buffer box, and a plurality of material distribution openings with pressure doors are formed in the pyramid grid material distribution box; and the pyr