Anti-derailment rail transport flat car

The utility model provides an anti-derailment rail transportation flat car which comprises a car body, two driving wheels are symmetrically arranged at the bottom of the front end of the car body, two auxiliary wheels are symmetrically arranged at the bottom of the tail end of the car body, a control device is fixed to the top of the car body, and under the action of clamps, a bidirectional electric push rod is started to drive the clamps to be clamped and fixed to the two sides of a rail. Compared with the prior art, the steering mechanism drives the driving wheels on the inner side of the right-angle track to rotate, then the driving wheels are fixed to the track, steering of the other set of driving wheels is carried out by taking the driving wheels as the rotating point, and the auxiliary wheels are separated from the track through the lifting mechanism in the process; the universal wheels make contact with the ground to assist steering movement of the vehicle body, and after the two driving wheels and th