推进器流道的制造方法、推进器流道和推进器

By setting an arc-shaped plate between the propeller channel and the hull plate and welding it, the problems of high construction difficulty and stress concentration in the embedded propeller channel welding were solved, achieving higher construction efficiency and smoother channel.

CN120735916BActive Publication Date: 2026-07-17CSSC HUANGPU WENCHONG SHIPBUILDING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CSSC HUANGPU WENCHONG SHIPBUILDING CO LTD
Filing Date
2025-08-26
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the existing technology, the welding construction of embedded propeller channels is difficult and labor-intensive, and stress concentration is prone to occur, making it difficult to guarantee smoothness and construction quality.

Method used

An arc-shaped plate is installed between the main body of the propeller channel and the outer plate of the hull. The curvature of the arc-shaped plate is determined according to the curvature of the connection point. The plate is then bent and welded to the propeller channel and the outer plate of the hull to reduce the amount of welding and grinding work and to avoid welding at locations with significant curvature changes.

Benefits of technology

It reduces construction difficulty, decreases stress concentration at welded joints, improves the smoothness of the flow channel and welding quality, and simplifies the construction process.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明涉及船舶技术领域,具体公开了一种推进器流道的制造方法、推进器流道和推进器,推进器流道的制造方法包括:在推进器流道主体与船体外板之间设置弧形板,弧形板朝向推进器流道的内部凹陷,根据推进器流道与船体外板连接处的曲率确定弧形板的曲率;对弧形板进行弯折,使弧形板沿推进器流道的尾部的外缘延伸;将弧形板的两侧分别与推进器流道主体和船体外板焊接。设置弧形板连接推进器流道主体和船体外板,在保证推进器流道内部光滑的同时,取代了圆钢,从而无需进行额外的堆焊,对应的减少了由于堆焊带来的打磨工作量,并且焊接位置未设置在曲率明显变化的位置,从而减少焊接接头处的应力集中,并且降低施工过程中的难度。
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