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《Journal of Naval University of Engineering》 2017-03
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Impact analysis of shafting alignment of integrated vibration isolation system of thrust bearing in ships

HE Jiang-yang;HE Lin;XU Wei;Inst. of Noise and Vibration,Naval Univ. of Engineering;National Key Laboratory on Ship Vibration & Noise;  
Based on integrated vibration isolation system(IVIS)of thrust bearing in ships,the coupling alignment model of IVIS and marine shafting is established.And combined with a certain marine shafting′s parameters,the influence on shafting alignment of radial displacement of thrust bearing under different marine working conditions is analyzed.The results show that the thrust bearing′s radial displacement of IVIS would greatly change the load state of bearings,and the void phenomenon would appear at extreme conditions.So the axial installation position of the base of thrust bearing on the floating raft should be close to the center of rotation of IVIS.Meanwhile the exploratory development on the adaptability of existing shafting scheme is carried out,and it is founded that the improved scheme of shafting could accommodate 0.55 mm radial displacement of thrust bearing after the cold and hot deformation of bearings.
【Fund】: 国家自然科学基金资助项目(51303209);; 湖北省自然科学基金资助项目(2014CFB223)
【CateGory Index】: U664.21
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