FIELD: process engineering.
SUBSTANCE: invention relates to welding and may be used in tube butt welding at main pipelines. Swing levers are mounted at three-arm case and coupled with spider. Drive rollers are arranged at said levers. Machine drive is composed of feared motors, at least, one of them being provided with displacement transducer and brake. Hydraulic cylinder barrel is rigidly coupled with three-arm case to accommodate piston to make rod chamber communicated with accumulator and hydraulic system and piston chamber communicated with hydraulic system. Rod is coupled by sleeve with aforesaid spider.
EFFECT: decreased weight and sizes, higher reliability and efficiency.
6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FLASH WELDING SET, WELDING HEAD AND ITS TRAVEL MECHANISM | 2007 |
|
RU2323073C1 |
| MACHINE FOR CONTACT BUTT WELDING OF PIPES | 0 |
|
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|
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| APPARATUS FOR REMOVING INNER FLASH IN TUBES AFTER WELDING | 2003 |
|
RU2257989C2 |
