PAGE-24-本科学生毕业设计双层畜禽运输车的改装设计院系名称：汽车与交通工程学院专业班级：车辆工程B07-2班学生姓名：祝庆贺指导教师：苏清源职称：副教授黑龙江工程学院二○一一年六月TheGraduationThesisforBachelor'sDegreeDesignofDoubleLivestockTransportersModifiedCandidate：ZhuQingheSpecialty：VehicleengineeringClass：B07-2Supervisor：AssociateProf.SuQingyuanHeilongjiangInstituteofTechnology2011-06·Harbin黑龙江工程学院本科生毕业设计PAGEII摘要随着我国国民经济的发展，人民生活水平的提高。人们对禽类、肉类制品的需求量急剧增加。而畜禽的养殖场地远离市区，这样就需要将鲜活畜、禽运输到指定地点。因此畜禽运输车的市场需求量也较大。为了能够同时运输禽类和中大型动物，满足消费者和养殖业者的需要，并且从大幅度的提高运输效率、降低运输成本、减少运输途中的货损和货差，提高运输的安全性和减少污染保护环境的方面考虑，设计制造双层畜禽运输车成为专用汽车发展道路上的一项重要任务。首先分析了现在畜禽运输车的现状和不足之处，明确了双层畜禽运输车的主要优点。在此基础上，通过对整体方案的分析选择、举升机构的计算校核、液压系统的选择与设计、辅助装置的选择与设计及对整车的性能分析，利用CAD软件绘制出二维图形。最后设计出的双层畜禽运输车能够满足工艺合理、小批量加工容易、成本低、可靠性高的加工和使用要求。关键词：双层；运输；畜禽；改装；设计ABSTRACTAlongwiththedevelopmentofournationaleconomyandimprovementofpeople'slivingstandard.Peopleonthepoultry,meatproductsdemandhasincreaseddramatically.Andlivestockandpoultrybreedingsitesawayfromdowntown,soitneedstofreshlivestockandpoultrytransportationtothedesignatedplace.Sothemarketdemandoflivestocktransportersbiggeralso.Inordertocansimultaneouslytransportpoultryandmedium-largeanimals,meettheneedsofconsumersandaquaculture,andthosefromthelargescaleenhancementtransportationefficiencyandreducethetransportationcost,reducetransitgoodsdamageandpoor,improvetransportsafetyandreducepollutionofenvironmentalprotectionintoconsideration,designandmanufactureofspecialcarsdoublelivestocktransportersbecomethedevelopmentpathisanimportanttask.Firstanalyzedthestatusandlivestocktransportersnowdeficiency,clearthedoublelivestocktransporters’mainadvantage.Onthisbasis,throughtheanalysisoftheoverallschemeselection,thecalculationofliftingmechanismofdynamicrigidity,theselectionanddesignofhydraulicsystem,auxiliarydevicesselectionanddesignofthevehicleandtheperformanceanalysis,useCADsoftwarerenderingthe2dgraphics.Finallydesigneddoublelivestocktransporterscanmeetthetechnologicalreasonable,smallbatcheasyproce