FIELD: pipeline engineering.
SUBSTANCE: device comprises base, vertical stands, and stops secured to the stands and made of four plates arranged in pairs and provided with bevels diverging downward. The stops are additionally provided with U-shaped screws secured to the transverse shelves of the stops. The base is mounted on the trench slope for permitting vertical movements with respect to the axis of the pipeline.
EFFECT: expanded functional capabilities.
3 dwg
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