Self-locking type anti-vibration pad and track anti-vibration fastener

The utility model belongs to the technical field of rail vibration reduction, and particularly relates to a self-locking vibration reduction pad and a rail vibration reduction fastener, the self-locking vibration reduction pad comprises an under-rail backing plate, an upper rigid backing plate, a middle elastic backing plate and a lower rigid backing plate, the self-locking vibration reduction pad is characterized by further comprising at least two clamping fasteners, the clamping fasteners comprise upper clamping fasteners and lower clamping fasteners, and the upper clamping fasteners and the lower clamping fasteners are arranged on the upper clamping fasteners and the lower clamping fasteners respectively. The lower buckle is rigidly connected to the lower rigid base plate, the lower buckle penetrates through the upper rigid base plate and the middle elastic base plate, the upper buckle and the lower buckle are connected in a rotating and clamping mode and used for locking the upper rigid base plate, the mi