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小型手扶式清雪车设计说明书.doc

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小型手扶式清雪车设计说明书.doc

哈尔滨工业大学华德应用技术学院毕业设计(论文)I摘要我国北方冬季时间长降雪量大,如果不及时清除积雪,将严重影响交通安全,给人们日常生活带来诸多不便。多功能清雪车的研制,有重要的实用价值,对国民经济的发展有重要意义。清雪车清雪能力的强弱很大程度上取决于清雪装置性能的好坏,所以深入研究清雪装置的结构和性能是非常必要的。用于清除浮雪的装置主要为螺旋集雪装置,一般与高速旋转的风机、抛雪筒联合使用。雪被螺旋集雪装置收集并通过风机旋转带动从抛雪筒抛到路边或者运雪车上,节省了收集雪的时间,清雪效率较高。本文基于对积雪的物理机械特性分析,提出机械式除雪的几种方案,并针对离心扬雪式除雪机构,分别对除雪机构中的螺旋集雪机构和离心排雪机构的工作原理进行分析,在理论分析的基础上得出结论。关键词清雪车螺旋集雪离心扬雪哈尔滨工业大学华德应用技术学院毕业设计(论文)IIAbstractWinterlastsforalongtimeinthecoldareasofnorthernChina.Agreatamountofsnowfallsthereeachyear.Therefore,iftheaccumulatedsnowcannotberemovedandcleanedintime,itwillseverelyaffectthesafetyofthetransportationandbringoutalotofinconveniencestothepeoplesdailylife.Themanufactureofthemultifunctionalsnowmovingmachinewillbefoundofimportantandpracticalvalueinforminggoodtransportationandhygieneenvironmentinwinter.Thesnowclearingcapacityofthesnowremoverdependsonthepropertiesofsnowclearingdevice,soitisnecessarytostudythestructureandpropertiesofsnowclearingdevicedeeply.Thedevicemainlyusedforclearingfloatingsnowisspiralsnowcollection,whichisgenerallyusedwithhighspeedrotatingfanandsnowthrowingcylinder.Snowiscollectedbyspiralsnowcollectionandthrewtoroadsideorsnowtruckthroughsnowthrowingcylinderdrivenbyrotatingfan,whichcansavetime,andtheefficiencyishigh.Thethesisworksoutabasicprojectonthemultifunctionalnowmovingmachinethroughthestudyofthephysicsmechanicalharactersofthesnow.ItlaysgreatemphasisonthestudyofCommunitythrowingsnowmachine.KeywordsSnowRemoveMachineHelixCollectsnowCommunitythrowingsnow.哈尔滨工业大学华德应用技术学院毕业设计(论文)III目录摘要...............................................................IAbstract.............................................................II目录.............................................................III第1章绪论.........................................................11.1选题的意义..........................................................................................................11.2扬雪机国内外的发展..........................................................................................21.3小型手扶式清雪车简介......................................................................................41.4小型手扶式清雪车的结构及原理......................................................................41.5本章小结..............................................................................................................5第2章总体方案设计.................................................62.1设计车体..............................................................................................................62.2动力系统设计......................................................................................................62.3传动系统设计......................................................................................................72.3.1传动方案的设计........................................................................................72.3.2传动系统的设计........................................................................................82.4本章小结............................................................................................................10第3章各系统设计..................................................113.1原动机的选用....................................................................................................113.2变速箱的设计....................................................................................................113.3集雪器的设计....................................................................................................123.4抛雪器的设计....................................................................................................143.5抛雪器性能参数的分析计算............................................................................163.6机器性能参数计算............................................................................................193.7本章小结............................................................................................................20第4章三维造型设计和二维工程图的绘制.............................214.1ProE简介............................................................................................................214.2proIE参数设计的优点.......................................................................................214.3ProIE零件的3D实体建模................................................................................224.4proE导件的装配组合.......................................................................................254.5二维工程图的绘制............................................................................................274.6本章小结............................................................................................................27第5章校核.....................................................285.1齿轮校核............................................................................................................285.2键的校核............................................................................................................31哈尔滨工业大学华德应用技术学院毕业设计(论文)IV5.3轴承校核............................................................................................................325.4轴的校核............................................................................................................33第6章应用前景分析...............................................366.1技术经济分析....................................................................................................366.2成本核算............................................................................................................36致谢..............................................................39参考文献............................................................40结论..............................................................41附录1译文..........................................错误未定义书签。附录2英文参考资料................................................44

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