Elastic support damping bearing structure for high-speed gearbox

The utility model aims to provide an elastic support damping bearing structure for a high-speed gear box, which comprises a bearing seat, an elastic support, a damping bearing outer ring and a damping bearing inner ring, the damping bearing outer ring and the bearing seat are positioned and mounted through a pin shaft, and the damping bearing inner ring and a rolling bearing are in interference fit. The rolling bearing is installed outside the rotor, the damping bearing outer ring is installed outside the damping bearing inner ring, the elastic support comprises elastic support units, the two ends of each elastic support unit are connected with the damping bearing inner ring and the damping bearing outer ring respectively, and the elastic support units are distributed in a circumferential mode. According to the utility model, the elastic supporting unit is matched with the required supporting rigidity to achieve the effect of adjusting the critical rotating speed, and is matched with the extrusion oil film da