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1、机械电气工程学院本科毕业论文指导教师:完成日期:摘要新疆种植打瓜产量占全国种植打瓜总产量的75%左右,打瓜已成为我区主要的经济作物之一。随着人工收获的成本的增加,打瓜的机械化收获已成为必然趋势。打瓜收获机械的研究设计显得格外重要。本文从介绍打瓜收获机械发展现状入手,分析国内外打瓜收获机械工作原理及优缺点等,结合对木地区的实际情况,以打瓜推瓜集条为设计对象,重点设计双向螺旋辗式打瓜推瓜装置。本文首先介绍了些打瓜收获机械及其工作原理,对其各自的特点、优缺点进行了总结。进一步对几种典型的集条装置进行深入分析、对比,再结合木地区的实际现状,确立打瓜集条的总体设计方案。之
2、后根据实际的设计参数,设计出双向螺旋馄打瓜推瓜装置的核心部件。即螺旋辘组件设计、机架的设计和传动系统的设计。最后使用Solidwoeks软件对设计的方案进行三维建模。育•观立体的展现设计方案。最终对其核心部件进行强度校核。本文的强度校核主要从所给的设计参数出发,对变速齿轮箱输出轴的强度、机架的强度和螺旋叶片的强度进行校核,使所设计的机具能够满足实际使用要求,同吋又能够不浪费材料。本文最后对此次设计进行了总结。关键词:双向螺旋辘;打瓜集条;机架;AbstractXinjiangplantingmelonproductionaccountsforaboutplant
3、ingmeloncountry'stotaloutputof75%,melonhasbecomeoneofthemajorcashcropsinourregion.Withtheincreaseofthecostofharvesting,melonmechanizedharvestinghasbecomeaninevitabletrend.Melonharvestingmachineryresearchdesignisparticularlyimportant.Thispaperdescribesthedevelopmentstatusdozenmelonhar
4、vestingmachinery,analyzingdomesticandmelonharvestingmachineryworksandtheadvantagesanddisadvantages,combinedwiththeactualsituationintheregiontopushmelonmelonsstripesetforthedesignoftheobject,focusingontwo-waydesignspiralrollplaypushmelonmelonmeans.Thispaperintroducessomemelonharvestin
5、gmachineryandhowitworks,itsowncharacteristics,advantagesanddisadvantagesaresummarized.Furtherseveraltypicalsetofstripmeansin-depthanalysis,comparison,andthencombinedwiththeactualstatusoftheregion,theestablishmentofmelonsetoftheoveralldesign.Aftertheactualdesignparameters,designatwo-w
6、ayspiralcoremembermelonmelonmeanspushingroller.Thatspiralrollerassemblydesign,chassisdesignanddrivesystemdesignFinally,usingSolidworkssoftwareforthedesignofthree-dimensionalmodelingprogram.Intuitivethree-dimensionaldisplaydesign.Ultimatestrengthcheckitscorecomponents.Thisarticlefromt
7、hestrengthcheckofthedesignparametersofthegivenpointofview,thestrengthoftheoutputshaftofthegearbox,chassisstrengthandintensityofthehelicalbladetobechecked,sothattheequipmentcanbedesignedtomeetthepracticalrequirements,butalsobeabletodonotwastematerial.Finally,thispapersummarizesthedesi
8、gn.Keywords: