轻、中卡制动器综合性能试验台的研究

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1、合肥工业大学硕士学位论文轻、中卡制动器综合性能试验台的研究姓名：盛军申请学位级别：硕士专业：机械电子工程指导教师：谢峰20071001ResearchontheGeneralPerformanceTestRigforBrakesoftheLightTrucksandtheMiddleTrucksAbstractThebrakingpcrformanceisoneofthecrucialfactorsofensuringthedrivingsecurityendimprovingthedrivingperformaIlce．T

2、hebigtrafficaccidentsalwaysrelatestothetoolongstoppingdistanceandthesideslipthathappensduringtheemergentstopping．So，thebrakingperformanceistheimportantguaranteeofthesafedriving．Thebrakesarethekeydeviceswhichrestrictthemovementofvehidesdirectly,andthemostimportantsa

3、feparts．So，thebrakingperformanceisparticularlycrucial．Testingthebrakes，checkingtheassembly,andestimatingthegeneralperformancehavebecomethecrucialstepofimprovingthebrakingperformance．So，itisverynecessarytodevelopahndoftestfigswhichhavegoodsimulationperformanceandhig

4、htestingaccuracy．Accordingtothenationalbraketestingstandardandtheperformancerequirements，thesingleheadinertiatestrigforbrakesisresearchedinthispaper．Thistestrigload谢mthemechanicalinertiaandCansimulatestheinertiawhichthetestingitemsrequiredthroughadjustingtheflywhee

5、ls．Thistestrigisapplicabletothedrumanddiskbrakesdrivenwimairorliquidonthelightormiddletrucks．Thedesignonthetestrigisthecoreofthispaper．Firstly,thetheoryofbrakedesignandthepropertyofeachbrakearedetailedintroduced．Secondly,thekeypointsoftestingthebrakingperformancear

6、eknownafterresearchingthefactorswhichinfluencesit．Thirdly,theshortageofournationalbraketestingstandardisfoundbycomparingwiththeforeigntestingstandard，andseveralsuggestionsareproposedforstandardestablishing．Thesignificanceofthetestdataareanalyzedattheend．Keywords：Br

7、akeBrakingPerformanceFlywheelInertiaSimulation3图1．1图2．1图2．2图2．3图2．4图2．5图2．6图2．7图2．8图2．9图3。l图3．2图3．3图3．4图3．5图3．6图3．7图4．1图4．2图4．3图4．4图4．5图5．1图5．2图5．3图6．1图6．2图6．3图6．4图6．5图6．6插图清单CarlSchenckAG试验台结构简图⋯⋯⋯⋯⋯⋯⋯⋯3制动器的主要结构型式⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯7鼓式制动器原理及参数图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯8盘式制动器原理图⋯⋯⋯⋯⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯9汽车制动时的质量转移⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯10道奇轿车前、后轮制动器温升情况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11车轮在制动时的受力情况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯12制动器制动力、地面制动力与踏板力的关系⋯⋯⋯13某载货汽车的I曲线和§线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯