Loading and unloading transport vehicle

The loading and unloading transport vehicle comprises a push-pull rod, a base, rollers and idler wheels, the base comprises a rectangular frame and a connecting bottom plate, the multiple rollers are horizontally arranged between a left side plate and a right side plate of the rectangular frame, and the two ends of each roller are rotationally connected with the middle of the left side plate and the middle of the right side plate respectively; mounting plates are arranged at the lower ends of the four corners of the rectangular frame, and rolling wheels are arranged on the mounting plates; the push-pull rod is connected with the rear wall face of a rear side plate of the rectangular frame, and an avoiding notch is formed in a front side plate of the rectangular frame. The two ends of the connecting bottom plate are perpendicularly connected with the lower portion of the left side plate and the lower portion of the right side plate respectively, at least two adjusting mechanisms are arranged on the connecting