Pasture crushing device for livestock breeding

The utility model discloses a livestock breeding pasture crushing device in the technical field of livestock breeding, which comprises a crushing cylinder, supporting legs are uniformly arranged at the bottom of the crushing cylinder, lower motors are connected to the left and right of the bottom of the crushing cylinder, and lower rotating rods are fixedly connected to the lower motors. A first mounting hole is longitudinally formed in the position, corresponding to the lower rotating rod, of the bottom of an inner cavity of the crushing cylinder in a penetrating mode, an inner cavity of the first mounting hole is fixedly connected with a first bearing matched with the lower rotating rod, the U-shaped outer frame is welded and fixed to the side, away from the feeding device, of the crushing cylinder, and a discharging hole is formed in the position, corresponding to the movable door, of the inner wall of the crushing cylinder in a penetrating mode; according to the livestock breeding forage grass smashing de