Shock absorption and noise reduction device for rail connector

The utility model discloses a shock absorption and noise reduction device for a rail interface, which comprises a sleeper, an anti-climbing support is arranged at the bottom end of the sleeper, a steel rail is mounted at one end, far away from the anti-climbing support, of the sleeper, a curved surface damping plate is arranged on one side of the steel rail, a curved surface ethylene plate is mounted on one side, far away from the steel rail, of the curved surface damping plate, and the curved surface ethylene plate is arranged on the other side of the curved surface ethylene plate. A curved-surface steel plate is installed on the side, away from the curved-surface damping plate, of the curved-surface ethylene plate, a fixing plate is installed on the side, away from the curved-surface ethylene plate, of the curved-surface steel plate, and the fixing plate and the curved-surface steel plate are connected and fixed through a first connecting block; a mounting block is mounted on the side, away from the curved