FIELD: hydraulic engineering.
SUBSTANCE: invention relates to hydraulic engineering, specifically to deep-well gates, designed to close pressure water lines. Borehole inter-pool gate comprises float 2, in form of two hexagonal pyramids, fixed by lever 3 to rotational axis 4. Rotational axis 4 is fixed in abutment piers of water passage 1 with possibility of vertical turn of float 2. External part of float 2 is equipped with transverse annular plate 5 with possibility of adjoining in closed position to side walls of water passage 1 on side of upper pond. Annular plate 5 on side of one vertex of hexagonal pyramid comprises tension cable 7, passed through unit 8, fixed in lower part at inlet of water passage 1. Annular plate 5 with float 2 comprises additional flexible link 9, fixed from above on side of upper pond, and guide plate 10, fixed to vertex of pyramid on mark above maximum water level before water passage 1.
EFFECT: technical result is improved reliability and durability of gate.
3 cl, 2 dwg
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