| 摘要 |
pipeline conveyance equipment used in oil industry. SUBSTANCE: apparatus has welding frame, stops, rollers, hydraulic cylinder and high-frequency current inductor mounted for reciprocation. Hydraulic cylinder is mounted in horizontal position in opposed relation to inductor. Inductor, hydraulic cylinder and stops are adjustable in vertical plane. Stop beds, hydraulic cylinder striker and working zone of inductor are made in the form of semicylinder. EFFECT: simplified construction and increased efficiency. 2 cl, 1 dwg
|
