某船支承管式悬挂舵舵叶掉落原因分析及改进

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摘    要：本文以某船支承管式悬挂舵舵叶掉落为例，分析舵叶掉落的原因，提出优化改进方案，有效提高舵密封装置的密封性和锁紧装置的可靠性，减少海水渗入，为同类型舵装置的设计提供参考。

关键词：悬挂舵；密封装置；锁紧装置

中图分类号：U664.36                               文献标识码：A

Analysis on Causes of the Fall of Support Tube Hanging Rudder Blade Aboard and Improve the Installation

CHEN Change

（ Hudong-Zhonghua Shipbuilding （group） Co.， Ltd.， Shanghai 200129 ）

Abstract： This article takes the phenomenon of the falling rudder blade of a support tube hanging rudder of a ship as an example， analyzes the causes of the phenomenon of rudder blade drop， and puts forward the optimization solution， which can effectively improve the sealing performance of the rudder seal device and the reliability of the locking device， reduce the seawater infiltration， and provide reference for the design of the same type of rudder device.

Key words： Hanging Rudder; Sealing Device; Locking Device

1     前言

某船在开阔海域航行时，发现船未按照预定方向行驶，舵效差而无法正常航行。（剩余3780字）