Fin stabilizer for ship

Abstract

The invention belongs to the technical field of fin stabilizers and particularly relates to a fin stabilizer for a ship. The fin stabilizer comprises a fin wing hinged to a hull. A hydraulic device is arranged on the hull, the output end of the hydraulic device is connected with the fin wing, a cavity is formed in the fin wing, the cavity is filled with an air bag capable of being completely attached to the inner wall of the fin wing, multiple inner elastic protrusions are arranged on the air bag, inner positioning grooves matched with the inner elastic protrusions are arranged on the fin wing, an upper elastic protective layer is arranged on the upper surface of the fin wing, a lower elastic protective layer is arranged on the lower surface of the fin wing, the inner surface of the upper elastic protective layer and the inner surface of the lower elastic protective layer are both provided with multiple outer elastic protrusions, outer positioning grooves matched with the outer elastic protrusions are formed in the fin wing, and sealing structures are arranged between the upper elastic protective layer and the fin wing and between the lower elastic protective layer and the fin wing respectively. The fin stabilizer has the advantages that the air bag is arranged in the fin wing, the size of the fin wing is adjusted by adjusting the size of the air bag, and the adjusting mode is simple.

Description

technical field [0001] The invention belongs to the technical field of fin stabilizers, in particular to a fin stabilizer for ships. Background technique [0002] When a ship encounters wind and waves during navigation, it will sway. The swaying of the ship will reduce the seaworthiness of the ship, damage the hull structure, affect the normal operation of equipment and instruments, and cause cargo displacement or impact damage. Passengers and crew will be dizzy, and it may affect the combat effectiveness of combat ships. In order to reduce the sway of the ship, many colleagues have conducted in-depth research. At present, the solution with better effect is to install fin stabilizers on the bilge of the ship to control The device outputs a control signal to control the position of the stabilizer fins in the water by measuring the angle of the ship's sway, combined with the ship's speed and other factors. However, the marine stabilizer fins in the prior art are all fixed str...

AI Technical Summary

Problems solved by technology

[0004] Although the above solution solves the shortcomings of the existing technology to a certain extent, the size of the stabilizer fin cannot be adjusted, and the overall design is not reasonable enough

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