| 摘要 |
Disclosed is a welding device. The welding device of the present invention is used to weld a first weld material having an obstacle installed on the outer wall, with a second weld material. The welding device comprises: a drive unit which runs along the outer wall of the second weld material overlapping the first weld material; a connection unit connected to the drive unit to follow the drive unit; a welding unit which is connected to the connection unit, and which welds the first weld material with the second weld material; and a support unit which is combined to the connection unit, and which is supported by the first weld material. The support unit includes an obstacle avoiding support unit, to move along the outer wall of the first weld material, while avoiding the obstacle. |
