FIELD: transportation.
SUBSTANCE: invention relates to pipeline transport and can be used to secure pipelines from surfacing during operation. Anchor for fixation of pipeline includes two opening blades with ledges, movably connected in lower part by means of high-strength axis, extracted inventory rod with holes for ledges of expanding blades, as well as a rope, wherein the opening blades have a semi-cylindrical shape with upper edges in the form of sharpened oblique cuts, in the lower part they are made in the form of semi-cones equipped with reinforcing L-shaped elements and spiral plates and forming in the folded form a cylindrical head.
EFFECT: increased structural reliability and bearing capacity of the anchor, provision of guaranteed opening of the anchor at the specified depth.
1 cl, 8 dwg
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Authors
Dates
2020-02-28—Published
2019-03-27—Filed