Damping device of steering axle

The utility model discloses a damping device of steering axle, which comprises a connecting shaft (4) and a joint sphere (3). The inner circle of the joint sphere (3) is sleeved on the connecting shaft (3). The joint sphere is equipped on the connecting shaft (4) while one end is positioned by a positioning retaining ring (1) and the other end is positioned by a clamping retaining ring (5). The connecting shaft (4) can be connected with a vehicle frame. An elastic member (6) is fixedly sleeved to the outer circle of the joint sphere (3) through a bearing end cover (9). The bearing end cover (9) can be connected with the steering axle. The damping device of steering axle has the following advantages: low manufacturing cost, buffered impact of the steering axle to the connecting shaft and the vehicle frame, convenient assembling and convenient maintenance.