Rolling type anti-collision device for highway bridge

The utility model discloses a rolling type anti-collision device for a highway bridge. The rolling type anti-collision device comprises a substrate, a plurality of connecting pieces and a support plate, wherein each connecting piece comprises a shaft sleeve and a movable rod; an opening is formed in the left end of each shaft sleeve; the movable rods movably penetrate through the right ends of the shaft sleeves, and are arranged in the shaft sleeves; springs are also arranged in the shaft sleeves; the support plate is fixed on the substrate through the connecting pieces which are arranged with one above another; upper and lower panels are symmetrically fixed on the right lateral surface of the support plate; a rolling wheel is arranged between the panels; a rotating shaft is fixedly arranged in middle of the rolling wheel in a penetration manner; bearings are fixedly connected between the panels and the support plate; the rolling wheel is connected to the bearings through the rotating shaft; a through hole which the rolling wheel can enter is formed in the support plate in the penetration manner. According to the rolling type anti-collision device, an errant vehicle can be well guided and buffered, so that a traffic accident can be effectively prevented from further deteriorating.