Repair welding structure for welding

The utility model relates to a repair welding structure for welding, which comprises a workbench, four adjusting structures are arranged in an inner cavity of the workbench, a fixing plate is arranged in the inner cavity of the workbench, the bottom of the fixing plate is fixedly connected with a repair welding machine, and each adjusting structure comprises a first motor fixedly connected with the workbench. An output shaft of the first motor is fixedly connected with a first belt wheel, four second belt wheels are arranged in an inner cavity of the workbench, the surfaces of the first belt wheel and the second belt wheels are in transmission connection with a first belt, and the surface of the first belt is fixedly connected with a moving block. The adjusting mechanism has the advantage of being high in flexibility, in the actual using process, the adjusting mechanism can drive the repair welding machine to conduct multi-angle and height adjustment so as to adapt to different repair welding positions and sh