冲击式破碎机设计说明书.doc

1摘要冲击式破碎机是广泛运用于特硬、中硬及磨蚀性物料的粗碎与细碎作业的高效破碎机械设备。在设计初，先查阅资料，了解了冲击式破碎机在国内外的现状。然后按照破碎机的一般设计步骤进行了以下设计：破碎机总体方案确定及主轴等主要零件结构参数的计算和选择；破碎机工作参数的计算；破碎机结构设计；破碎机的受力分析和主要零部件的强度校核。最后完成破碎机装配图，主要部件及零件图，设计说明书一份。关键词：冲击式破碎机；传送带；叶轮；轴2AbstractTheimpactcrusheriswidelyusedinspecialhard,hardandabrasivematerials,roughbrokenandmechanicalcrushingoperationsefficiencyimpactcrusher.Throughthisgraduationproject,tostudyontheconsolidationofbookknowledge.Earlyinthedesign,toinspecttheinformationabouttheimpactcrusherathomeandabroad.Thenfollowtheimpactcrusherofthegeneraldesignstepsofthefollowingdesign:theoverallplanofimpactcrusherandcalculationandchoiceofthemainshaftandtheothermajorpartstodeterminestructuralparameters；thecalculationofimpactcrusherworkingparameters；impactcrusherstructuraldesign；checkofthestressanalysisandstrengthofmajorcomponents.Finallycompleteaassemblydrawingsofimpactcrusher,partsdiagram,thedesignofapaper.Keywords:impactcrusher；conveyorbelt；impeller；shaft3目录摘要ABSTRACT第1章绪论11.1选题背景11.2国内外发展现状21.3历史发展过程与未来发展方向3第2章破碎机的总体方案设计52.1冲击式破碎机的总体方案设计52.2冲击式破碎机的结构72.3冲击式破碎机的工作原理92.4冲击式破碎机的特点102.5冲击式破碎机的主要部件112.5.1叶轮122.5.2反击板13第3章破碎机的结构设计与计算153.1破碎机主要工作参数的确定153.1.1冲击速度的确定153.1.2冲击时间的确定153.1.3电机功率的确定163.1.4叶轮结构参数的确定163.2破碎机主要零件设计及其参数的选定183.2.1多楔带设计183.2.2主轴设计203.2.3轴承设计223.2.4键的选择与校核243.2.5反击板设计243.2.6螺栓强度校核2543.3机架设计263.3.1机架的类型、材料及制造方法选择263.3.2机架结构的设计27第4章破碎机的安装和维护304.1冲击式破碎机的安装、调整与试运转说明304.1.1设备的安装304.1.2设备的调整304.1.3机器的试转314.2冲击式破碎机的使用与维护要求31结论34致谢35参考文献365CONTENTSAbstractChapter1Introduction11.1Researchbackground11.2DevelopmentStatus21.3Thehistoricaldevelopmentandfuturedevelopmentdirection3Chapter2Crushingmachineoverallplandesign52.1Impactcrusherdesignargument52.2Impactcrushersstructure72.3Impactcrusherworkingprinciple92.4Impactcrusherfeatures102.5MaincomponentsoftheimpactcrusherProfile112.5.1Impeller122.5.2Thecounterattackplate13Chapter3Crusherstructuredesignandcalculation153.1Impactcrushermainworkingparametersoftheselectedcounterboard153.1.1Impactvelocity153.1.2Todeterminetheimpactoftime153.1.3MotorPower163.1.4Impellerstructuralparameters163.2Partsanditsparameterselection183.2.1Multiwedgebeltdesign183.2.2Spindledesign203.2.3Bearingdesign223.2.4Thekeychoiceandverification24