WELDING APPARATUS & METHOD

摘要

A pipe welding or weld inspection apparatus, comprising a carriage, track engagement means, drive means for propelling the carriage along a track, and adjusting means for automatic adjustment of the track engagement means to allow the apparatus to engage with a range of differently sized tracks. The automatic adjusting means advantageously allows the track engagement means to self-adjust to engage with a range of tracks having different diameters, for example.