Vibration suppression device for straight web steel box girder bridge

The utility model discloses a vibration suppression device for a straight web steel box girder bridge, which belongs to the technical field of bridge engineering and comprises a plurality of spliced vibration suppression units. Each vibration suppression unit comprises a fixed plate; the fixing plate is connected with an assembling plate; the splicing plate is connected with an air unloading plate; two wind breaking units are arranged on the wind unloading plate; each wind breaking unit comprises a square through groove, a rotating shaft and a wind breaking plate, the wind breaking units are arranged, and when wind blows from left to right to make contact with the wind discharging plate, the upper wind breaking plate and the lower wind breaking plate are driven to rotate around the rotating shafts under the action of the wind; the wind breaking plates rotate clockwise around the rotating shafts, kinetic energy of wind is consumed, incoming wind airflow of the wind breaking plates is converted into airflow in