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微型汽车循环球式转向器设计说明书.doc

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微型汽车循环球式转向器设计说明书.doc

键入文字目录1引言.........................................................................................................................................62设计任务书.............................................................................................................................83机械转向简介.........................................................................................................................83.1转向操纵机构.....................................................................................................................93.2转向器.................................................................................................................................94转向系的设计要求.................................................................................................................95机械式转向器方案分析.......................................................................................................105.1齿轮齿条式.......................................................................................................................105.2循环球式...........................................................................................................................125.3蜗杆滚轮式、蜗杆指销式...............................................................................................136计算设计说明书...................................................................................................................136.1转向器的效率...................................................................................................................136.2转向器类型、结构特点与效率.......................................................................................146.3转向器的结构参数与效率...............................................................................................147传动比的变化特性...............................................................................................................157.1转向系传动比...................................................................................................................157.2力传动比与转向系角传动比的关系...............................................................................167.3转向系的角传动比...........................................................................................................167.4转向器角传动比及其变化规律.......................................................................................168齿轮齿条转向器变速比工作原理.......................................................................................178.1转向器角传动比的选择...................................................................................................179转向系计算载荷的确定.......................................................................................................1810转向梯形结构方案分析.....................................................................................................1910.1整体式转和梯形.............................................................................................................1910.2断开式转向梯形.............................................................................................................1911转向系统零部件参数.......................................................................................................2012转向系统发展趋势...........................................................................................................2112.1现代汽车转向装置的设计趋势.....................................................................................2112.2现代汽车转向装置的发展趋势.....................................................................................2213设计小结.............................................................................................................................2414标准化审查报告.................................................................................................................2414.1产品图样的审查.............................................................................................................2414.2产品技术文件的审查.....................................................................................................2514.3标准件的使用情况.........................................................................................................2514.4审查结论.........................................................................................................................2515使用说明书.........................................................................................................................25结论......................................................................................................错误未定义书签。参考文献................................................................................................................................1致谢......................................................................................................错误未定义书签。键入文字毕业设计说明书中文摘要微型汽车循环球式转向器设计摘要汽车工业的快速发展和市场竞争的需求极大地促进了汽车电子技术的应用和发展,而汽车电子技术本身的创新和进步也为汽车产业的发展提供了技术保证,并为汽车向电子化、智能化、网络化和多媒体方向发展创造了条件。汽车电子技术的发展正在改变着汽车的传统结构和扩展着汽车的功能。在设计中分析了现在常见的转向器结构形式,根据设计需要采用循环球式转向器。但是整个系只是简单的机械连接,仅仅从理论上实现了汽车的转向。关键词方向盘转向系转向器毕业设计说明书外文摘要TheautomotiveDesignformechanicalsteeringsystemAbstractWiththerapiddevelopmentofautomobileindustry,thedemandformarketcompetitionhasgreatlyfacilitated,theapplicationofautomotiveelectronictechnologyanddevelopmentofautomotiveelectronic.Technology、innovationandprogressareaswellasthedevelopmentoftheautomobileindustryprovidestechnicalguaranteeforthecartotheelectronic,intelligentandnetworkandmultimediatechnologiestocreatetheconditionsfordevelopment.Thedevelopmentofautomotiveelectronictechnologyischangingthetraditionalstructureofthecarandexpandingthefunctionsofthecar.Inthedesignanalysisofthestructureisnowacommonformofsteeringgear,accordingtothedesignrequiretheuseofcirculatingballsteeringgear.ButsimplytheentireDepartmentofmechanicalconnection,onlyintheorytheachievementofacarsteering。KeywordsSteeringwheelSteeringSystemSteeringGear

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