I本科畢業(yè)設計(論文)題目：高效風能增速機系別：機電信息系專業(yè)：機械設計制造及其自動化班級：學生：學號：指導教師：2013年5月II摘要隨著化石燃料的日益減少，能源問題已成為關系國民經(jīng)濟發(fā)展和人類生存的重要問題，對可再生能源的開發(fā)和利用迫在眉睫。風能是一種干凈的、儲量非常豐富的可再生能源，它不會隨著其本身的轉(zhuǎn)化和利用而減少，可以說是一種取之不盡、用之不竭的能源。由于風力發(fā)電其環(huán)境效益好，風電場建設周期短，占地面積小，廣泛受到各國的關注，我國也正在大力研究風力發(fā)電技術。本文主要做了以下幾方面的工作：首先，確定增速箱的機械結構。采用一級行星加上兩級圓柱齒輪傳動綜合行星齒輪傳動的小型化和圓柱齒輪的大傳動比，按照所給定的工作環(huán)境變量確定齒輪副參數(shù)和傳動部件的結構其次，利用回差分析理論分析側(cè)隙對回差的影響和齒輪傳動中可能出現(xiàn)的三類回差來源（齒輪本身的固有誤差，裝置誤差，其它誤差），并詳細計算了各級傳動中的回差的大小，檢驗結構精度分配的正確性，提出減小回差的措施。應用三維軟件Pro/E建立增速系統(tǒng)模型，利用ANSYS有限元軟件對關鍵零件進行強度分析。關鍵詞：風力發(fā)電；增速系統(tǒng)；行星傳動；回差；接觸分析IIAbstractWiththefossilfuelisreduced,theenergyissuehasbecomethedevelopmentofnationaleconomyandtheimportantproblemsofhumansurvival,developmentandutilizationofrenewableenergyimminent.Windenergyisaclean,abundantreservesofrenewableenergy,itwillnotbereducedwithitsowntransformationanduse,canbesaidtobeaninexhaustible,beinexhaustibleenergy.Becauseofitsenvironmentalbenefitsofwindpower,windfarmconstructioncycleshort,coversanareaofsmall,widelyconcernedbythewholeworld,ourcountryalsoistostudythewindpowergenerationtechnology.Thispaperhasdonethefollowingwork:first,determinethemechanicalstructureofthespeedincreasingbox.Largetransmissionadoptsminiaturizationandcylindricalgearplanetarypluscomprehensiveplanettwocylindricalgeartransmissiongearratio,accordingtothegivenworkenvironmentvariablesdeterminethegearparametersandthetransmissionpartstructuresecondly,usingthereturndifferenceanalysispossibleeffectsofbacklashonthereturndifferenceandgearinthethreekindsoferrorsources(inherenterror,theerrorofgeardevice,othererrors),anddetailedcalculationsofthelevelsoftransmissionofthereturndifferencesize,validatethestructureaccuracyallocation,isproposedtodecreasetheerrormeasures.Applicationof3DsoftwarePro\/Etoestablishthegrowthmodelofthesystem,analyzethestrengthofkeypartsbyusingthefiniteelementsoftwareANSYS.Keywords：windpowergenerationsystem；growth；planetarytransmission；hysteresis；contactanalysisIII目錄摘要.......................................................................................................IIAbstract....................................................................................................II目錄......................................................................................................III1緒論.......................................................................................................11.1課題背景.............................................................................................................11.2研究的目的和意義.............................................................................................11.3風力發(fā)電在國內(nèi)外的研究現(xiàn)狀.........................................................................11.3.1國外風力發(fā)電機的發(fā)展現(xiàn)..........................................................................11.3.2我國風力發(fā)電現(xiàn)狀......................................................................................21.4風力發(fā)電機系統(tǒng).................................................................................................31.4.1風力發(fā)電機簡介..........................................................................................31.5風力發(fā)電機的結構簡介.....................................................................................31.6風力發(fā)電機增速系統(tǒng)簡介.................................................................................41.7課題研究的主要內(nèi)容.........................................................................................42增速裝置的結構設計..........................................................................62.1傳動方案的確定.................................................................................................62.23Z（II）型行星齒輪增速器裝置設計...............................................................82.3設計計算.............................................................................................................82.3.1選取行星齒輪傳動的傳動類型和傳動簡圖..............................................82.3.2配齒計算......................................................................................................82.3.3初步計算齒輪的主要參數(shù)..........................................................................92.3.4嚙合參數(shù)計算..............................................................................................92.3.5幾何尺寸計算............................................................................................122.3.6裝配條件的計算........................................................................................142.3.7傳動效率的計算........................................................................................152.3.8結構設計....................................................................................................162.3.9齒輪強度驗算............................................................................................193齒輪傳動的回差分析...........................................................................243.1側(cè)隙與回差的關系及來源...............................................................................243.1.1側(cè)隙的分類................................................................................................243.1.2不同側(cè)隙的關系........................................................................................25IV3.3本章小結...........................................................................................................264中心輪和行星輪齒面接觸分析........................................................274.1齒輪接觸有限元算法.......................................................................................274.2接觸分析...........................................................................................................284.2.1齒輪接觸有限元模型................................................................................284.2.2齒輪副齒面接觸應力求解........................................................................294.2.3ABAQUS三維接觸分析結果....................................................................294.3本章小結...........................................................................................................305總結.....................................................................................................32參考文獻..................................................................................................33致謝.......................................................................................................34