Welding device for electrical engineering

The utility model relates to the technical field of welding devices, and discloses an electrical engineering welding device which comprises a base, four sets of supporting columns are installed at the upper end of the base, first guide rails are connected to the upper sides of the supporting columns on the left side and the right side respectively, and first gantry linear walking devices are arranged on the upper sides of the first guide rails respectively. Second guide rails are connected to the upper sides of the two first gantry linear walking devices, second gantry linear walking devices are installed on the lower sides of the second guide rails, and first acting boxes are connected to the lower sides of the second gantry linear walking devices. According to the scheme, by arranging the first motor, the first rotating rod, the second motor, the second rotating rod, the first connecting plate, the third rotating rod, the second connecting plate, the connecting column, the third motor, the fourth rotating r