FIELD: lifting of sunken objects.
SUBSTANCE: invention relates to lifting of sunken objects by application of external lifting forces. Disclosed is a system for lifting sunken objects, including barge-sites, hoisting devices, made in form of hydraulic jacks installed on barges-sites, support beams installed under sunken object, at that, barge-sites are combined into groups of required carrying capacity and are equipped with sponsons welded to their sides facing the lifted object, hydraulic jacks are installed vertically on decks of sponsons of barge-sites so that cargo-carrying connections pass vertically, and on decks of barge-sites on the side of opposite sides there installed are detachable ballast tanks-counterweights separated into compartments, which are filled with water during lifting of sunken object.
EFFECT: invention simplifies and reduces the cost of the structure of the system for lifting sunken objects, provides removal of the sunken object to the surface, which simplifies its installation into the transport dock, and increases reliability of lifting.
1 cl, 5 dwg
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Authors
Dates
2020-11-02—Published
2018-02-07—Filed