Silage feeding device and harvester

The utility model provides a silage feeding device and a harvester. The silage feeding device comprises a machine frame. The driving gear box is arranged at the side part of the rack; the floating roller part is arranged at the upper part in the rack and is connected with the driving gear box; the fixed roller part is arranged at the bottom of the floating roller part, and the fixed roller part is connected with the driving gear box; the deflection assembly is movably connected to the first end of the rack, and under the condition that the silage feeding device encounters obstacles in the operation process, the deflection assembly deflects towards the two sides of the first end to avoid the obstacles. According to the silage feeding device, through cooperation of the floating roller part, the fixed roller part and the driving gear box, the gear transmission mode is low in fault rate and high in transmission efficiency, maintenance is convenient, and the operation stability is guaranteed; when the silage feedi