PIPELINE BUILDING MACHINE

摘要

FIELD: transport engineering; equipment for building mainlines, transportation of pipe lengths, welding of pipe butts in trench. SUBSTANCE: pipe laying equipment and welding set are mounted on base tractor equipped with electric traction motor and power generator controlled by tractor control system. Welding set has welding station and welding current control unit. Switching device provides selection of welding duty or pipe transfer duty. EFFECT: enlarged operating capabilities. 2 dwgi