One-way multi-stage bridge damping metal damper

The utility model discloses a one-way multistage bridge damping metal damper which comprises a transverse bridge direction metal damper damping device and a longitudinal bridge direction movable device, the transverse bridge direction metal damper damping device comprises an upper seat plate, a lower seat plate and a metal damping element, and the metal damping element comprises a first-stage metal damping plate and a metal damping assembly. The first-stage metal damping plates are located on the two sides of the metal damping assembly, and the first-stage metal damping plates, the upper seat plate and the lower seat plate form a rigid framework constraint system; the metal damping assembly comprises a connecting block and a plurality of groups of second-stage metal damping plates, the second-stage metal damping plates, the lower seat plate and the connecting block form a rigid framework constraint system, the bottom surface of the upper seat plate and the limiting stop block form an upper seat plate groove,