Bridge construction sliding rail

The utility model discloses a bridge construction sliding rail which comprises a sliding rail base, sliding rail limiting grooves are formed in the positions, close to the edges of the outer surfaces of the two sides, of the upper surface of the sliding rail base, limiting blocks are movably installed in the sliding rail limiting grooves, and construction sliding rails are fixedly installed on the upper surfaces of the limiting blocks. A connector limiting groove is formed in the front surface of the sliding rail base, a connecting groove is formed in the rear surface of the sliding rail base, and a limiting groove is formed in the position, located on the upper surface of the sliding rail base, of one side of the connecting groove. The threaded supporting column can be driven to rotate through the rotary knob, the anti-skid supporting legs are driven to move, and therefore the overall inclination angle of the sliding rail base can be finely adjusted, the spherical connector and the connecting ball cage are m