毕业设计（论文）-秸秆粉碎机的设计

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1、毕业设计说明书中文摘要全套设计，QQ秸秆粉碎机的设计摘要保护性耕作是国际农业技术发展的重要趋势，秸秆还田技术是机械化保护性耕作中关键的一项技术。使用机械化秸秆还田技术可以有效地解决农忙期间争农时、争劳力的矛盾，有力推动秸秆还田的农业全程机械化进程，避免由于焚烧秸秆产生的环境污染。本着一机多用、降低生产成本的原则，研制了既能满足玉米秸秆、又能单独实现旋耕作业的新型玉米秸秆还田机。(1)在对秸秆粉碎及灭茬基本理论分析的基础上，提出多功能玉米秸秆还田机总体结构设计方案。采用卧式结构，主要由悬挂装置、变速箱、秸秆粉碎机构、等组成。拖拉机输出动力经万

2、向节传递给变速箱，变速箱一轴经齿轮、链轮两级增速后，带动粉碎刀辊工作。(2)设计了新型变速箱，实现了秸秆粉碎的作业，结构简单，一机多用。主要由锥齿轮传动等组成。利用从动齿轮的离合来实现粉碎、旋耕动力的分离与结合，从而分别完成秸秆粉碎与旋耕单项作业，实现一机多用之功能。关键词变速箱；秸秆粉碎机；甩刀；结构及工作原理-37-毕业设计说明书外文摘要ThehydrauliccylinderheaddrillingfixturedesignAbstractTheprotectioncultivationisthemostimportantintern

3、ationalagriculturaltechnologydevelopmenttendency.Thesmashedstrawtechnologyisoneessentialtechnologyofthemechanizedprotectioncultivation.Usingsmashedstrawmachinescalleffectivelysolvetheproblemsthatstrivingfortimeandlabourduringthebusyingfarmingtime，andCanmaketheagriculturale

4、ntiremechanizationcome幻truth.Italsocallavoidenvkonmentpollutioncausedbystrawsettingonfire.Accordingtomulti-functionandreducingproductionCOst,multi—functionsmashedstrawmachineWaSdeveloped.ItnotonlyCansmashst“1wtogetherwiththestubbleandputitbacktothefarmlandtoincreasethenutr

5、ientoncetimebutalsoCanaccordingtoOurpracticalnecessitytochooserotarytillingsinglefunction.(1)OnthebasicofstudyingtheelementarytheoryofsmaShingstraw，theintegralstructuredesignplanofmulti-functionmachineWaSintroduced.Themachineismainlycomposedofhanngsystem，gearbox，belttransm

6、issionsystem，stalk-soilreturningroller,rotarytillerroller,anddepthlimitroller.Poweristransmittedfromthetractorshafttothe-37-poweroutputgearbox.Oneshaftofthegearboxisacceleratedbybothbevelgearsandstraptransmission.Andthenitdrivesthestalk—smashingknivesrevolvingquickly.Anoth

7、erismovedbythebevelgearsandstrapwheeltodrivetherotarytillerworking.(2)Theinnovativepointisthedesignofnewgearbox，whichhasrealizedthecompositeworkorsinsleworkofsmashingstraw，stubbleandrotarytillageforthefirsttime.Itmakesonemachinehastwouses.Thegearboxismainlycomposedofbevelg

8、ears，pokingfork，clutch，andbearings.Usingtheseparationorunionbetweentheclutchandgears，thes