A method for optimizing the transition area of a ship's stem round bar and outer plate

By adjusting the relative position and welding method of the round steel and the outer plate, the transition area between the round steel and the outer plate of the ship's bow was optimized, solving the problem of unsmooth transition design, improving the ship's appearance and water flow efficiency, and enhancing the accuracy and economy of construction.

CN119262221BActive Publication Date: 2025-10-24GUANGZHOU SHIPYARD INTERNATIONAL LTD
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Patent Information

Application Number
CN202411073821.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-10-24
Estimated Expiration
2044-08-07

AI Technical Summary

Technical Problem

In existing technologies, the transition area between the round steel of the bow column and the outer plate of ships is not smoothly designed, which affects the aesthetics and increases water flow resistance, resulting in reduced ship operating efficiency and economy.

Method used

By adjusting the relative position and welding position of the outer plate and the round steel, the round steel is smoothly transitioned to the outer plate at different heights. Nodes are designed to match the ship's outer plate profile. Customized templates and baselines are used for precise docking. Full penetration welding or single-sided welding with backing is employed to ensure a smooth connection between the round steel and the outer plate.

Benefits of technology

This achieves a smooth transition between the round steel and the outer plate, reduces water flow resistance, improves the appearance quality and structural efficiency of the ship's bow, and enhances construction precision and economy.

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Abstract

The application belongs to the technical field of shipbuilding, and particularly relates to a method for optimizing the transition area of a round steel and an outer plate of a bow column of a ship. The method comprises the following steps: a round steel is designed and installed at the bow of the ship, so that the round steel is clamped by the outer plates on both sides; the relative position and the welding position of the outer plates and the round steel are adjusted at different height positions of the ship, so that the round steel is smoothly connected with the outer plates at the upper and lower ends thereof; a node is designed in the cross-sectional view of each height position of the round steel, so that the round steel protrudes to match the outer plate line of the ship; the upper and lower ends of the round steel are gradually connected with the outer plates; a wooden mold is made according to the data provided by the node, which is used for checking the shape and data on site; and a plurality of reference lines are designed and positioned, which correspond to the reference lines of the ship body. The method improves the aesthetic appearance of the bow column of the ship, reduces the water flow resistance, and improves the economy of the ship operation.
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