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1、摘要汽車(chē)后橋是汽車(chē)的主要部件2—,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(chē)輪,并使左右驅(qū)動(dòng)車(chē)輪具有汽不行駛運(yùn)動(dòng)所耍求的差速功能:同時(shí),驅(qū)動(dòng)橋述要承受作用于路面和車(chē)架或承載車(chē)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(chē)的安全性,經(jīng)濟(jì)性、舒適性、可靠性。本文認(rèn)真地分析參考了江淮HF15015卡車(chē)驅(qū)動(dòng)橋以及韓國(guó)現(xiàn)代468號(hào)驅(qū)動(dòng)橋,在論述汽車(chē)驅(qū)動(dòng)橋運(yùn)行機(jī)理的棊礎(chǔ)上,提練出了在驅(qū)動(dòng)橋設(shè)計(jì)中應(yīng)拿握的滿(mǎn)足汽車(chē)行駛的平順性和通過(guò)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
2、術(shù);闡述了汽車(chē)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,確定了商用汽車(chē)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、橋殼及半軸的結(jié)構(gòu)型式;并對(duì)制動(dòng)器以及主要零部件進(jìn)行了強(qiáng)度校核,完善了驅(qū)動(dòng)橋的整體設(shè)計(jì)。通過(guò)本課題的研究,開(kāi)發(fā)設(shè)計(jì)出適用于裝直大馬力發(fā)動(dòng)機(jī)重型貨車(chē)的單級(jí)驅(qū)動(dòng)橋產(chǎn)品,確保設(shè)計(jì)的商用車(chē)驅(qū)動(dòng)橋經(jīng)濟(jì)、實(shí)用、安全、可靠。關(guān)鍵詞:商用汽車(chē);驅(qū)動(dòng)橋;主減速器;香速器AbstractDriveaxleisoneofthemostimportantpartsofautomobile?Thefuncti
3、onistoincreasethetorquefromdriveshaftorfromtransmissiondirectly,andthendistributeittoleftandrightwheelswhichhavethedifferentialabilityautomobileneededwhendriving.Andthedriveaxlehastosupporttheverticalforce,longitudinalforce,horizontalforceandtheirmomentsbetweenroadandframeor
4、body?Itsqualityandperformancewillaffectthesecurity,economic,comfortabilityandreliability.ThisarticleanalyzesandreferstothedriveaxleofJianghuaiHF15015truckandthe468driveaxleofHyundaiseriously.Throughthestudyofthistopic,wecandesignthesingledrivingaxledevicesthatapplytotheheavy
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6、nofparts,componentsoftheuniversal,Productssuchastheserializationthatweshouldmastertomeet,itdescribesandhasasystematicanalysisonthebasicprinciplesofviecledriveaxle.Accordingtothedesignprinciplesandanalysisandcomparisonofeconomy,application,comfortability,safetyandreliability、
7、theheavytruckdriveaxlestructure,layoutways,andthefinaldriveassembly,differentialassembly,thebridgecaseandaxlestructurecanbedetermined;andthestrengthcheckingofbrakeparts,aswellasmajorcomponentsimprovesoveralldesignofthedrivingaxle.Throughthestudyofthistopic,wccandesignthesing
8、ledriveaxledevicesthatapplytotheheavytruckwithhigh-poweredengine,andmakesur