SHIP BOTTOM OVERLAP Russian patent published in 2019 - IPC B63B3/24 B63B3/14 B63B43/18 

FIELD: shipbuilding.

SUBSTANCE: invention relates to the field of shipbuilding and can be used in the construction and repair of the bottom structures of ship hulls. Proposed bottom overlap of the vessel, which contains the outer casing, the flooring of the second bottom with longitudinal ribs of the flooring of the second bottom, stringers, vertical keel, floor, longitudinal beams and reinforcing walls of floors and stringers horizontal and vertical stiffeners. Walls of the floors, stringers and vertical keel are made of composite parts from replaceable deformable and non-replaceable parts. In the lower parts of the vertical keel, the walls of the floors and stringers, there are elements of structural protection, made in the form of hydraulic cylinders equipped with pressure-relief devices.

EFFECT: in the case of landing of the ship in the ground, the deformation of the second bottom flooring and damage to the foundations of the main and auxiliary mechanisms are prevented, the maintainability of the bottom overlap increases.

1 cl, 4 dwg