FIELD: pipeline constriction.
SUBSTANCE: device comprises load-bearing stringer made of U-shaped clamp mounted in the trench below the pipeline. The ends of the stringer are provided with yokes, and the stringer is provided with the thrust for the pipeline and expandable thrusts to bear against the bottom of the trench. The sides of the stringer are provided with thrusts to bear against the wall of the trench. The device is mounted so that the bottom part of the yokes and the thrust bear on the pipeline. The top parts of the yokes are secured to the bottom parts. The stringer is set in rotation around the axis of the pipeline and is positioned under the pipeline. The yokes are secured to the pipeline, the thrusts are expanded and bear on the bottom of the trench and on the trench walls.
EFFECT: expanded functional capabilities.
1 dwg
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