Public road bridge roof beam roll formula buffer stop

The utility model discloses a public road bridge roof beam roll formula buffer stop, including base plate, a plurality of connecting device and backup pad, the backup pad through the connecting device fixed connection that sets up from top to bottom on the base plate, be fixed with two horizontal guardrails that are the longitudinal symmetry and set up on the backup pad right flank, the equidistance is provided with many vertically support posts with it between the horizontal guardrail of longitudinal symmetry setting, the series connection of impartial interval has a plurality of roll formulas anticollision pearl on every support post, all is provided with the base that buries in the basement bottom backup pad and the base plate. The utility model discloses a be provided with a plurality of roll formulas anticollision pearl for the buffering ability of hitting of whole public road bridge roof beam improves greatly, because roll formula anticollision pearl can roll after receiving the striking in succession, the impact that receives that has weakened reduces the impact to upper and lower horizontal guardrail and duo gen support post promptly, also can play a good guide effect to the vehicle simultaneously to the further deterioration of traffic accident has been restrained.