Steel cofferdam structure and method for repairing pier of torrential river

The invention provides a rapid river pier repairing steel cofferdam structure and a repairing method. The rapid river pier repairing steel cofferdam structure comprises piers, cofferdams are arranged on the two sides of the piers, a lifting part is arranged between the two cofferdams, each cofferdam comprises a first steel plate and a second steel plate, a connecting block is arranged at the joint of the first steel plate and the second steel plate, and a locking bolt is arranged on the outer side of each connecting block. The first steel plate and the second steel plate are connected through a connecting block and fixedly connected through a locking bolt, supporting columns are fixedly installed at the bottoms of the first steel plate and the second steel plate, a limiting plate is fixedly installed on one side of the supporting column at the bottom of the first steel plate, and a fixing base is fixedly installed on one side of the supporting column at the bottom of the second steel plate. And fixing holes a