載重汽車主減速器及差速器設(shè)計(jì)說明書.doc

載重汽車主減速器及差速器設(shè)計(jì)目錄1緒論.錯(cuò)誤!未定義書簽。2設(shè)計(jì)任務(wù)書.-2-3設(shè)計(jì)計(jì)算說明書.-3-3.1主減速器的結(jié)構(gòu)形式的選擇.-3-3.1.1主減速器的齒輪類型選擇.-3-3.1.2主減速器的減速形式選擇.-5-3.1.3主減速器主、從動(dòng)雙曲面齒輪的支承型式.-7-3.2主減速器基本參數(shù)的選擇與計(jì)算載荷的確定.-9-3.2.1車輪滾動(dòng)半徑和主減速比的確定：.-9-3.2.2主減速器齒輪計(jì)算載荷的確定.-10-3.2.3主減速器齒輪基本參數(shù)的確定.-12-3.3主要計(jì)算.-17-3.3.1單位齒長(zhǎng)上的圓周力.-17-3.3.2輪齒的彎曲強(qiáng)度計(jì)算.-18-3.3.3輪齒的接觸強(qiáng)度計(jì)算.-19-3.4主減速器軸承的計(jì)算.-20-3.4.1雙曲面齒輪的軸向力和徑向力計(jì)算.-21-3.5主減速器齒輪的材料及熱處理.-22-3.6差速器總成的設(shè)計(jì).-23-3.6.1差速器結(jié)構(gòu)形式選擇.-24-3.6.2差速器齒輪主要參數(shù)選擇.-25-3.6.3差速器齒輪強(qiáng)度計(jì)算.-28-4使用說明書.-29-4.1主要參數(shù).294.2主減速器及差速器工作原理.294.3潤(rùn)滑使用及維修.305標(biāo)準(zhǔn)審查報(bào)告.305.1產(chǎn)品圖樣的審查.305.2產(chǎn)品技術(shù)文件的審查.-31-5.3標(biāo)注件的使用情況.-31-5.4審查結(jié)論.-32-結(jié)論.-32-參考文獻(xiàn).-33-致謝.-34-載重汽車主減速器及差速器設(shè)計(jì)摘要：汽車主減速器及差速器是汽車后橋的主要部件之一，其基本的功用是增大由傳動(dòng)軸或直接由變速器傳來(lái)的轉(zhuǎn)矩，再將轉(zhuǎn)矩分配給左右驅(qū)動(dòng)車輪，并使左右驅(qū)動(dòng)車輪具有汽車行駛運(yùn)動(dòng)所要求的差速功能。同時(shí)，驅(qū)動(dòng)橋還要承受作用于路面和車架或承載車身之間的鉛垂力、縱向力、橫向力及其力矩。其質(zhì)量、性能的好壞直接影響整車的安全性、經(jīng)濟(jì)性、舒適性、可靠性。本文參考了東風(fēng)EQ1090E載重汽車驅(qū)動(dòng)橋，在論述載重汽車汽車驅(qū)動(dòng)橋運(yùn)行機(jī)理的基礎(chǔ)上，提練出了在驅(qū)動(dòng)橋設(shè)計(jì)中應(yīng)掌握的滿足汽車行駛的平順性和通過性、降噪技術(shù)的應(yīng)用及零件的標(biāo)準(zhǔn)化、部件的通用化、產(chǎn)品的系列化等三大關(guān)鍵技術(shù)；闡述了汽車驅(qū)動(dòng)橋的基本原理并進(jìn)行了系統(tǒng)分析；根據(jù)經(jīng)濟(jì)、適用、舒適、安全可靠的設(shè)計(jì)原則和分析比較，確定了載重汽車驅(qū)動(dòng)橋結(jié)構(gòu)形式、布置方法、主減速器總成、差速器總成的結(jié)構(gòu)型式；并對(duì)主要零部件進(jìn)行了強(qiáng)度校核，完善了主減速器及差速器的整體設(shè)計(jì)。通過本課題的研究，開發(fā)設(shè)計(jì)出適用于裝置大功率發(fā)動(dòng)機(jī)載重汽車的單級(jí)驅(qū)動(dòng)橋產(chǎn)品，確保設(shè)計(jì)的載重汽車驅(qū)動(dòng)橋經(jīng)濟(jì)、實(shí)用、安全、可靠。關(guān)鍵詞：載重汽車；主減速器；差速器；設(shè)計(jì)DifferentialdesignofthemaingearandtruckAbstractAutomotivefinaldriveandrearaxledifferentialisoneofthemaincomponents,itsbasicfunctionistoincreasethedriveshaftortransmissioncamedirectlyfromthetorque,thentorquedistributiontotheleftandrightdrivewheels,andtodrivethewheelswiththecardrivingaroundtherequireddifferentialmovementcapabilities.Meanwhile,thedriveaxlemustbeartheeffectonthebodysurfaceandtheframeorbetweentheverticalloadforce,longitudinalforce,lateralforceandtorque.Itsquality,performance,adirectimpactonvehiclesafety,economy,comfortandreliability.ThisreferencetotheeastEQ1090Etruckdriveaxle,inhisdiscussionofautomotivedriveaxletruckrunningmechanism,basedontheextractionofabridgedesigninthedrivershouldhavetomeetthecomfortandvehicledrivingthroughsex,noisereductiontechnologyandstandardizationofparts,componentsoftheuniversal,theproductseriessuchasthethreekeytechnologies；describesthebasicprinciplesofautomotivedriveaxleandasystematicanalysis；basedoneconomic,suitable,comfortable,safeandreliabledesignprinciplesandanalysisandcomparisonidentifiedthetruckdriverbridgestructure,layoutmethods,themaingearassembly,thedifferentialassemblystructure；andstrengthcheckofmajorcomponentsweretoimprovethefinaldriveandtheoveralldesignofdifferential.Throughthisresearchproject,designedtodevelophigh-powerengineonthedeviceforsingle-stagedriveaxletruckproduc