Road and bridge anti-collision protection device

The utility model relates to the technical field of road and bridge construction, and discloses a road and bridge anti-collision protection device which comprises a concrete base, installation lugs are fixedly installed at the two ends of the concrete base, a fixing frame is movably installed on the upper end face of the concrete base, and a rotating steering roller is arranged in the fixing frame. An organ cover is fixedly connected to the outer wall of the concrete base, a clamping block is fixedly mounted at the other end of the organ cover, and a mounting frame matched with the clamping block is fixedly mounted on the other side of the concrete base. According to the road and bridge anti-collision protection device, the clamping blocks are mounted in the mounting frame in a clamped mode, multiple concrete bases can be spliced, and after the concrete bases are spliced, the anti-collision protection device composed of the multiple spliced concrete bases can be matched with the height of a curve by adjusting