Gravity welding device suitable for shielded metal arc welding semi-mechanized welding

The utility model relates to the field of gravity welding devices suitable for semi-mechanized welding of shielded metal arc welding, in particular to a gravity welding device suitable for semi-mechanized welding of shielded metal arc welding, which is simple in structure and convenient to operate, reduces labor intensity of workers and improves welding quality. Base placed on ground, the bottom connecting plate is connected with the base; the upper connecting plate is hinged with the bottom connecting plate; the connecting bolts penetrate through the through holes in the bottom connecting plate and the upper connecting plate; the bottom connecting plate and the upper connecting plate can rotate around the connecting bolt, the nut is screwed on the connecting bolt, the sliding rail is connected with the upper connecting plate, the sliding block is installed on the sliding rail and can freely slide on the sliding rail, the off-wall weight is installed on the sliding block, the welding tongs are installed on th