Method for suppressing vibration of iron core and coil

The invention belongs to the technical field of transformers, and relates to a method for suppressing vibration of an iron core and a coil, the lower surface of a coil lower pressing plate is connected with a fixed connecting plate of an iron core lower clamping piece through a lower clamping piece foot pad, and the upper surface of a coil upper pressing plate is connected with a fixed connecting plate of an iron core upper clamping piece through an upper clamping piece foot pad; the clamping piece foot pad comprises a foot pad boss, a nitrile rubber plate, a NOMEX paperboard and a spring; a plurality of positioning bowl structures and positioning nails are arranged on a strip-shaped steel plate of the iron core upper clamping piece, and the positioning bowl structures are filled with nitrile rubber plates and NOMEX paperboards; a damping positioning nail structure is arranged on the lower side of a cover plate, epoxy resin is filled in a positioning bowl structure, an oil tank cover is assembled, a steel col