| 摘要 |
The invention relates to a steering system for at least one trailing or leading axle of a vehicle, comprising: a steering angle sensor for measuring a steering angle of wheels of a leading axle of the vehicle; a driving speed sensor for measuring a driving speed of the vehicle; an electric motor (1.2) that drives a hydraulic pump (2); a working cylinder (11) for steering the wheels of the trailing axle, which is joined to the hydraulic pump (2); a control device (1.1) which determines a trailing angle of wheels on the trailing axle of the vehicle, using the data of the steering angle sensor and the driving speed sensor, and which controls the electric motor in a corresponding manner, wherein the working cylinder (11) has a centre position borehole (1.3) via which hydraulic fluid can be emitted from the working cylinder (11), and a piston seals the centre position borehole (11.3) in the straight position of the wheels of the trailing axle, wherein the working cylinder (11) is connected to return valves (10 and 10.1), via which hydraulic fluid can flow back into a tank (6), wherein the centre position borehole (11.3) of the working cylinder (11) is connected to a centre position valve (12), via which hydraulic fluid can flow back into a tank (6), and wherein the return valves (10 and 10.1) and the centre position valve (12) are in the form of a poppet valve. |
