Bridge AIFB support with space damping self-repairing function

The utility model discloses a bridge AIFB support with a space damping self-repairing function, belongs to the technical field of bridge damping, and aims to solve the problem that an existing bridge damping structure cannot achieve active damping. The AIFB support comprises a base, a vertical damping adjusting piece, a supporting bottom plate, an X-direction damping shock absorber, an X-direction adjusting plate, a Y-direction damping shock absorber and a Y-direction adjusting plate from bottom to top. Under the condition of small vector displacement, the X-direction adjusting plate and the Y-direction adjusting plate start to move freely in a reciprocating mode to offset X-direction seismic displacement and Y-direction seismic displacement respectively, and the vibration amplitude of the box girder is reduced; under the large vector displacement condition, the upper computer adjusts the X-direction damping shock absorber and the Y-direction damping shock absorber to reciprocate in the direction opposite to