Steel rail fixing structure

The utility model discloses a steel rail fixing structure which comprises a base, a bottom plate mechanism for supporting the bottom face of a steel rail, a supporting plate mechanism and a rail clamping mechanism. The supporting plate mechanism and the rail clamping mechanism jointly clamp the steel rail. A first supporting bottom plate of the bottom plate mechanism is fixed on the top surface of the base; the second supporting bottom plate is fixed to the middle of the top face of the first supporting bottom plate. The two buffer plates are fixed to the two length ends of the top face of the second supporting bottom plate correspondingly, and the steel rails are located on the buffer plates. The supporting plate mechanism comprises rectangular plates arranged in the length direction of the steel rail at intervals, and the rectangular plates located on the rail bottom are distributed on the two sides of the width of the steel rail. The rail clamp mechanism comprises a first rail clamp and a second rail clamp