Steel structure arch bridge anti-seismic assembly

The utility model discloses an anti-seismic assembly of a steel structure arch bridge. The anti-seismic assembly comprises an abutment, an upper fixing plate and a lower fixing plate. The device is characterized in that a lower fixing plate is arranged on the abutment, and a concave seat is arranged at the top of the lower fixing plate; a convex base is arranged at the bottom of the upper fixing plate and inserted into a concave base, a rubber damping piece is arranged between the convex base and the concave base, and damping springs are installed outside the convex base and the concave base. A sleeve is installed at the bottom of the upper fixing plate, covers the rubber damping piece and the damping spring and extends downwards to the concave base to be spaced from the lower fixing plate. According to the device, blocks can be arranged on the outer sides of the rubber damping piece and the damping spring to block wet air, the situation that the rubber damping piece and the damping spring make contact with t