FIELD: electricity.
SUBSTANCE: device may be used for control of stop valves in main oil pipelines. Electric drive contains manual doubler and provides self-breaking to outlet link. This is achieved by the fact that electric drive contains double-stage reduction gear, in which as first stage worm gear is used with casing that has the possibility of unfixing and serves as rotating element of manual doubler.
EFFECT: simplification of electric drive design.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ELECTRIC DRIVE OF PIPELINE VALVES WITH MANUAL OVERRIDE | 2022 |
|
RU2797329C1 |
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RU2323380C2 |
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RU2213890C2 |
| SINGLE-TURN ELECTRIC DRIVE | 2021 |
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RU2763381C1 |
| PNEUMATIC DRIVE WITH HAND-OPERATED DOUBLING APPARATUS AND PNEUMATIC DAMPER | 1993 |
|
RU2053428C1 |
