Steering control device of motor vehicle

The utility model discloses a steering control device of a motor vehicle. The steering control device of the motor vehicle comprises an executing mechanism which is arranged on a frame of the motor vehicle and used for controlling deflecting directions of wheels, the steering control device of the motor vehicle further comprises a driving mechanism and a deflecting angle detecting mechanism, wherein the driving mechanism is arranged on the frame and used for driving the motor vehicle to steer, and the deflecting angle detecting mechanism is connected with the driving mechanism and used for generating deflecting angle signals of the wheels under the control of the driving mechanism to enable the executing mechanism to control the wheels to deflect at corresponding angles. According to the steering control device of the motor vehicle, a plane four-connecting-bar mechanism is minimized, the mechanical structure of the overall device is simple and practicable, the motor vehicle is controlled to steer through electronization, the degree of automation of the device is high, and control is accurate.