Design and Analysis of Retractable Fin Stabilizer with Embedded Fin
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摘要: 设计了具有嵌套式鳍翼的减摇鳍装置,此装置由转鳍机构、收放鳍机构、嵌套式鳍翼、固定装置组成。转鳍机构和收放鳍机构能够精确地实现鳍翼的摇摆与收放;为了减小船体上鳍箱的开口,采用了大鳍翼嵌套小鳍翼的结构形式;在减摇鳍正常工作时,为了防止因误操作引起减摇鳍装置的破坏,设计了固定机构来固定鳍壳上的转盘。使用Pro/E工程软件对减摇鳍装置的工作过程进行了运动学分析。结果表明:设计的减摇鳍装置能够精确地实现所需的鳍角运动,嵌套式鳍翼相对整体式鳍翼而言,能减小1/5左右的鳍箱开口。Abstract: A new kind of retractable fin stabilizer mechanism with embedded fin is designed.The mechanismincludes rotating fin mechanism, retractable fin mechanism, embedded fin and fixing mechanism.By using thismechanism, the rotating mechanism and the retractable mechanism can implement rocking motion and retractablemotion precisely.The configuration of a big fin wraping a small fin is adopted to reduce the opening size of shipbody.A fixing mechanism, installed on the surface of the fin stabilizer, is designed in order to keep fin in the rightplace when it works properly.The working process of fin stabilizer mechanism is simulated kinematicly usingPro/E, the results show that the required motion of fin stabilizer mechanism can be achieved accurately.Comparedwith integral fin, the embedded fin can reduce the opening size of ship body by about 1/5.
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Key words:
- airfoils /
- angle of attack /
- computer simulation /
- design
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