Improvement in orbital movement equipment for the automatic welding of medium- and large-diameter pipe

摘要

Equipment comprising welding units 12-12a each of which is provided with opposing wheels 14 which engage and run along a track 11 supported by rods 20 with arcuate openings, a toothed motor pinion 15 for driving the unit supported by a tilting support subjected to fluid-dynamic actuator means, a tilting welding torch 17 supported by a support which tilts about an axis perpendicular to the base 19 of the unit and a welding rod feed member 18 for the torch comprising a traction wheel which rotates about an axis parallel and adjacent to the torch supporting axis. IMAGE