Carpooling steering control system for multiple flat transport vehicles

The utility model relates to a car-pooling steering control system for multiple flat transport vehicles, which comprises a steering wheel encoder, a mode selection switch, a programmable controller and a steering proportional valve, the steering wheel encoder is mounted below a steering wheel of a vehicle cab, the mode selection switch is mounted on an instrument switch panel of the cab, and the programmable controller is mounted on the steering proportional valve. The programmable controller is installed in an electric cabinet of a vehicle cab, the steering proportional valve controls steering of wheels, and the steering wheel encoder, the mode selection switch and the steering proportional valve are respectively connected to the programmable controller through cables. According to the utility model, parameters can be measured through various known vehicle positions, and an accurate steering mathematical model is established, so that each wheel of each vehicle obtains an accurate steering angle parameter, th