搜索
汽车专业毕业论文---答辩通过极具参考价值本论文材料仅供参考学习，疑问可咨询文档贡献者。摘要汽车的设计与生产涉及到许多的领域，其独有的安全性、经济性、舒适性等众多指标，也对设计提出了更高的要求。汽车制动系统是汽车行驶的一个重要主动安全系统，其性能的好坏对汽车的行驶安全有着重要影响。随着汽车的行驶速度和路面情况复杂程度的提高，更加需要高性能，长寿命的制动系统。鉴于制动系统的重要性，本次设计的主要内容就是运输车辆中的制动器，从制动系的功用及设计的要求出发，依据给定的设计参数，进行了方案论证。对各种形式的制动器的优缺点进行了比较后，在前盘后鼓得基础上改为前后都是盘式制动器，保持制动力分配系数的稳定，改善了汽车的制动稳定性，简化了汽车的制动装置，减轻了整车质量，从而提高了汽车在行驶过程中的安全性与稳定性。选择了简单液压驱动机构和双管路系统，选用了间隙自动调节装置，采用比例阀作为制动力的调节装置。关键词：制动钳;制动盘;制动轮缸;制动衬片汽车专业毕业论文---答辩通过极具参考价值本论文材料仅供参考学习，疑问可咨询文档贡献者。AbstractAutomobiledesignandproductionareinvolvedinmanyfields,itsuniquesafety,economy,comfortandsomanyindicators,alsoraisedtallerrequirementtothedesign.Automobilebrakingsystemisanimportantvehicleactivesafetysystem,anditsperformancedependsoncarhasanimportantinfluenceonroadsafety.Asthevehicleofthespeedandpavementsituationwascomplexdegreerise,morerequirehigh-performance,longlifeofbrakesystem.Inviewoftheimportanceofbrakesystem,thedesignofthemaincontentisatransportvehicles,thebrakefrombrakesystemfunctionanddesign,accordingtotherequirementofdesignparameters,giventheschemecomparison.Onallformsofbraketheiradvantagesanddisadvantagesarediscussed,basedonHouGuhaveinQianPaninsteadofbeforeandafterarediscbrakes,maintainbrakingforcedistributioncoefficient,improvesthestabilityofthebrakingstabilityandsimplifytheautomobilebrakingdevice,reducethevehiclequality,therebyimprovingthecarwhiledrivingintheprocessofsecurityandstability.Chooseasimplehydraulicdrivingmechanismanddoublepipelinesystem,choseclearanceautomaticadjustingdevice,proportionalvalveasbrakeforceadjustingdeviceKeywords:brakedisc；Brakewheelcylinder;Brakecaliper;Brakingfacingsformulations汽车专业毕业论文---答辩通过极具参考价值本论文材料仅供参考学习，疑问可咨询文档贡献者。目录摘要....................................................................................................................IAbstract............................................................................................................II第1章绪论.....................................................................................................11.1汽车工业在国民经济中的地位..........................................................11.2汽车制动系概述.................................................................................21.3设计的意义.........................................................................................4小结.............................................................................................................5第2章制动器设计方案的论证和选择..........................................................62.1制动器设计要求................................................................................62.2制动器设计的一般原则.....................................................................82.3制动器方案分析................................................................................92.4制动驱动机构的选择........................................................................92.5制动管路的选择..............................................................................102.6鼓式制动器与盘式制动器的比较分析...........................................122.7制动器间隙自动调整装置...............................................................16小结...........................................................................................................16第3章制动系的主要参数及其选择............................................................173.1制动力与制动力分配系数................................................................173.2同步附着系数...................................................................................203.3制动器的制动力矩...........................................................................213.4利用附着系数与制动效率................................................................22小结...........................................................................................................24第4章制动器的设计计算...........................................................................254.1原始数据及主要技术参数................................................................254.2盘式制动器主要参数的确定............................................................254.3制动力矩与盘的压力。....................................................................274.4制动轮缸直径的计算.......................................................................284.5紧急制动时踏板力的计算................................................................284.6制动踏板行程的计算.......................................................................28小结...........................................................................................................29汽车专业毕业论文---答辩通过极具参考价值本论文材料仅供参考学习，疑问可咨询文档贡献者。第五章制动器主要零部件结构设计与强度计算..........................................305.1制动盘...............................................................................................305.2制动钳...............................................................................................305.3制动块...............................................................................................305.4摩擦材料...........................................................................................315.5制动器的热容量和温升的核算........................................................315.6强度校核........................................