毕业设计论文

编号：毕业设计说明书题目：水草清理装置水下机构的设计学院：机电工程学院专业：机械设计制造及其自动化学生姓名：学号：指导教师：职称：题目类型：理论研究实验研究工程设计工程技术研究软件开发2010年5月24日桂林电子科技大学毕业设计（论文）报告用纸摘要针对河道、水塘等水域具有航道窄、面积小，一般的大型水草收割机难以实现水草收割的现状，本文设计了一种结构紧凑，机构传动平稳，效率高，适合在中小尺度水域作业的小型水草收割机。论文概述了水草收割机的发展背景、研究现状及分类；完成了水草收割机水下部分的机构设计，主要包括清除机构和定位机构；阐述了前置往复式切割器和旋转式升降台的总体设计方案、工作原理、参数计算以及试验校核；同时，为了防止二次污染，本文还另外设计了水草回收装置，通过传送带将水草运回船体；按照任务要求完成了装置总装图与各主要零部件图的绘制；最后，通过Solidworks软件的动画仿真验证了机构设计的合理性。结果表明：所设计的小型水草收割机具有结构合理、紧凑，适应性强，切割效率高等优点。这种新型的水草收割机可在水下实现切割，捡拾、传送一体化连续作业方式，能够达到清除泛滥的水草，净化水质的目的。总的来说，是一种较为理想的水草收获机具。关键词：小型水草收割机；水下机构设计；动画仿真桂林电子科技大学毕业设计（论文）报告用纸AbstractWaterssuchasrivers,pondsaregenerallywithnarrowwaterwayandsmallarea,sogenerallargeaquaticweedharvesterscanhardlyharvesthydrophytes.Toeliminatethecurrentphenomenon,smalleraquaticweedharvesterisdesignedinthispaper.Ithascompactstructure,smoothtransmissionandhighefficiency，atthesametime，itissuitableforworkinginthesmallandmediumwaters.Thisarticlesummarizesthedevelopmentbackground,researchstatusandclassificationoftheaquaticweedharvester.；themechanismdesignofunderwaterpartoftheaquaticweedharvesters,includingclearorganizationandpositioningmechanism,iscompleted；thepaperdescribestheoveralldesign,workingprinciple,parametercalculationandexperimentalcheckoffrontreciprocatingcutterandrotatinglift；meanwhile,inordertopreventsecondarypollution,thepaperalsodesignsoftherecoveryagencies,theaquaticweedswillbeshippedbacktothehullthroughtheconveyorbelt；what’smore,thestudyalsofinishestheworkofthemaindeviceassemblypartsdrawing.Finally,thispaper’ssimulationresultprovestherationalityofthedesignwiththeanimationofthesoftwareSolidworks.Theresultsshowthat:thesmalleraquaticweedharvesterhasmanyadvantagesofreasonableandcompactstructrue,highadaptabilityandhighefficiencytoharvesting.Thenewaquaticweedharvesterscanrealizecontinuousintegrationmodesuchasharvesting,collectingandtransmitingunderwater.Itcanachievethegoaltoclearthefloodhydrophytesandtopurifywaterquality.Inall,itisanidealmachineofharvestingaquaticweeds.Keywords：smallaquaticweedharvester；underwatermechanismdesign；animatedsimulation桂林电子科技大学毕业设计（论文）报告用纸目录引言.......................................................................................................................11绪论.................................................................................................................11.1课题研究背景.....................................................................................................................11.2水草收割机的发展过程.....................................................................................................21.3水草收割机分类及特点.....................................................................................................21.3.1根据切割器工作方式划分..............................................................................................21.3.2根据切割器在船体的安装位置分..................................................................................31.3.3根据作业方式分..............................................................................................................31.3.4根据作业对象划分..........................................................................................................31.4水下机构的典型特点.........................................................................................................31.5课题研究的目的及意义.....................................................................................................42水下机构的方案选择及总体结构设计.........................................................52.1水下机构的方案选择.........................................................................................................52.2机构总体设计.....................................................................................................................53清除机构的设计.............................................................................................63.1切割器概述.........................................................................................................................63.2往复式切割器的构造及类型.............................................................................................73.2.1往复式切割器的构造......................................................................................................73.2.2往复式切割器的类型....................................................................................................103.3往复式切割器的驱动机构及原理...................................................................................103.3.1驱动机构的选择............................................................................................................103.3.2驱动机构的工作原理....................................................................................................113.3.3驱动机构的设计............................................................................................................113.4往复式切割器的调整.......................................................................................................134定位机构的设计...........................................................................................134.1定位机构的组成........................................................