風(fēng)力機軸承的有限元分析本科畢業(yè)論文

1、0目錄中文摘要...............................................................1英文摘要...............................................................21引言................................................................31.1課題研究背景....

2、................................................31.2風(fēng)電軸承簡介....................................................41.3自動調(diào)心滾子軸承及風(fēng)力發(fā)電機主軸軸承研究.........................51.4本文主要研究內(nèi)容.................................................

3、72軸承分析應(yīng)用概述....................................................82.1有限元分析技術(shù)基礎(chǔ)概念..........................................82.2ANSYS軟件簡介..................................................103接觸分析...............................

4、............................123.1概述............................................................123.2一般接觸分類....................................................123.3ANSYS接觸分析功能..............................................

5、133.4面面的接觸分析.................................................154軸承接觸分析.......................................................174.1軸承的導(dǎo)入......................................................174.2軸承的有限元動態(tài)接觸分析..............

6、.........................184.2.1劃分網(wǎng)格...................................................184.2.2創(chuàng)建接觸對.................................................184.2.3施加邊界條件和載荷.........................................194.2.4計算結(jié)果分析..

7、.............................................204.3理論計算及驗證.................................................254.3.1Hertz接觸理論............................................25總結(jié)..................................................

8、................28致謝..................................................................29參考文獻..............................................................302Abstract：Bearingsaretheimpantcomponentpartsinthedrivetrainofthe

9、windturbinesoitisextremelyessentialtocarryonstructuraloptimizationdesignperfmanceanalysis.Checkoutalotofinfmationonbearingsanalysisfwindbearingshasmadecertainunderstingtotheanemometergearoperationalfact.Asfthesituationby

10、fcedefmationoftheshaftwindturbinespindlebearingsmusthavegoodselfaligingpropertiesthusaligningrollerbearingsasthemainspindlebearings.Inthispaperonthebasisof1.5MWwindturbinespindlebearingdesignparametersthedoublerowspheric

11、alrollerbearingwereexptedfromtheSolidwksofthethreedimensionaldrawingsoftwarethenimptedintotheANSYS.ThenusingANSYSanalysisitsstaticfce.Simulatethewholebearingaswellastheinnerouterringsofthebearingactualstressconditionsres

12、ultsofitsstressclould.Thestressintensityiscomparedondifferentmeshingpointsthestressdistributionisidentified.Theresearchresulthassomereferencevalueontheimprovementtheoptimizationdesignofthebearing.Keywds：WindPowerGenerati