Clamp and method for repairing, positioning and pressurizing reinforcement of ultrasonic welding patch

The invention belongs to the technical field of ultrasonic welding repair, and discloses an ultrasonic welding patch repair positioning and pressurization enhancing clamp and method.The ultrasonic welding patch repair positioning and pressurization enhancing clamp comprises a base, a positioning groove is formed in the base, and a fastener used for restraining and pressurizing a repair patch is arranged in the positioning groove; the positioning groove comprises a first groove matched with a workpiece to be repaired, second grooves are formed in the two sides of the first groove respectively, and the fasteners are arranged in the second grooves. The fastener comprises supports symmetrically arranged in the two second grooves, third grooves matched with the patch to be welded are formed in the supports, cover plates are arranged at the top ends of the supports, and the bottom ends of the cover plates abut against the top faces of the patch and apply pre-pressure to the position between the patch and the workpi