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可倾瓦推力轴承承载能力分析 被引量:3

Analysis on Bearing Capacity of Tilting-pad Thrust Bearing
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摘要 本文以我所自主研制的TQ900J型重载推力轴承为研究对象,建立了可倾瓦推力轴承的数学模型,以MATLAB软件为平台编写了推力轴承的计算程序,并以此预测了推力轴承的承载能力。研究表明:随着轴承推力增大,最大油膜压力和摩擦功耗增大,最小油膜厚度减小;随着轴承转速提高,最小油膜厚度和摩擦功耗增大;随着瓦块倾角增大,最大油膜压力呈现先增大后减小趋势,高压区域向着瓦块出油边移动。由此搭建了TQ900J型推力轴承试验台,开展了推力轴承性能试验,验证了该型轴承的承载能力,这为重载推力轴承的设计提供了参考。 Taking the TQ900 Jheavy load thrust bearing developed by our research institute as the research object,a mathematical model of tilting-pad thrust bearing is established.Based on the numerical calculation software MATLAB,the calculation program of tilting-pad thrust bearing is compiled,and according to that,the bearing capacity of tilting-pad thrust bearing is predicted.Research shows that:with the increase of the thrust of the tilting-pad bearing,the maximum pressure of the oil film and the friction power loss increase,and the minimum thickness of the oil film decreases;with the increase of the speed of the tilting-pad bearing,the minimum thickness of the oil film and the friction power loss increase both;with the increase of the angle of the tile,the maximum pressure of the oil film increases first and then decreases,and the high pressure area moves towards the oil outlet side of the tile.Thus,a test-bed of the TQ900 Jthrust bearing was built,and the performance test of thrust bearing has been carried out.Accordingly,the bearing capacity of the tilting-pad thrust bearing is verified,and reference is provided for the design of heavy load thrust bearing.
作者 俞翔栋 刘渊 李岳峰 程晓明 Yu Xiangdong;Liu Yuan;Li Yue feng;Cheng Xiaoming(SMDERI,Power Plant Division,Shanghai 201108,China)
出处 《传动技术》 2018年第4期24-30,共7页 Drive System Technique
关键词 推力轴承 可倾瓦 承载能力 thrust bearing tilting-pad bearing capacity
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