Shock absorption support for highway bridge

The utility model discloses a highway bridge damping support in the technical field of highway bridge engineering, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixed box, the four corners of the top of the fixed box are rotatably connected with thread bushings through bearings, the bottoms of the thread bushings extend into the fixed box, and the inner sides of the thread bushings are in threaded insertion connection with threaded rods. The tops of the four threaded rods are fixedly connected with the same connecting plate, a driving assembly matched with the threaded sleeves is arranged in the fixing box, the top of the connecting plate is fixedly connected with a damping column, the top of the damping column is fixedly connected with a supporting plate, and a plurality of damping springs and damping assemblies are fixedly connected between the supporting plate and the connecting plate. Height adjustment is facilitated, the applicability is improved, meanwhile, gene