FIELD: water-development works; devices for securing bearing pillars in apertures of self-raising floating platforms. SUBSTANCE: device has body 5 with uprights 6 and 7 with bearing nut 10 located between them. Brought into nut 10 is locking member made in form of screw 11 having bearing surfaces 13 and 14 located on either side from its threaded portion 12 and engageable with surfaces of holes 8 and 9 in uprights 6 and 7; contact with surface of hole 9 is effected through bush 18. EFFECT: reduced usage of materials; enhanced reliability. 4 dwg
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