成都理工大学工程技术学院毕业论文明杆楔式单闸板闸阀设计作者姓名:邵雷专业名称:机械工程及自动化指导教师:郑才国讲师成都理工大学工程技术学院学位论文诚信承诺书本人慎重承诺和声明:1.本人已认真学习《学位论文作假行为处理办法》(中华人民共和国教育部第34号令)、《成都理工大学工程技术学院学位论文作假行为处理实施细则(试行)》(成理工教发〔2013〕30号)文件并已知晓教育部、学院对论文作假行为处理的有关规定,知晓论文作假可能导致作假者被取消学位申请资格、注销学位证书、开除学籍甚至被追究法律责任等后果。2.本人已认真学习《成都理工大学工程技术学院毕业设计指导手册》,已知晓学院对论文撰写的内容和格式要求。3.本人所提交的学位论文(题目:明杆楔式单闸板闸阀设计),是在指导教师指导下独立完成,本人对该论文的真实性、原创性负责。若论文按有关程序调查后被认定存在作假行为,本人自行承担相应的后果。承诺人(学生签名):201年月日注:学位论文指向我校申请学士学位所提交的本科学生毕业实习报告、毕业论文和毕业设计报告。明杆楔式单闸板闸阀设计-I-摘要阀门的使用在现代化生产中十分重要,其身影在人类的生产生活中随处可见。阀门的研究能够带动人类经济生产,在各类生产系统中极大的提高经济效益,节约能源。如何正确设计和选用阀门是实现阀门的密封性能、调节性能、实用性能、安全性能和流通性能的关键所在。在阀门设计过程中,要对各种参数进行严格的核对验算,需要将各种相关因素考虑其中,比如介质温度、压力、腐蚀性等做到科学严谨。阀门主体、零件的也要做到科学选材,以免造成不必要的经济损失和浪费。设计的过程中需要边计算边绘图,通过设计计算确定阀门各个部件的数据,然后在CAD上画出零件图,做到各部件数据合理。通过严格设计计算,阀门能对管道中的介质进行正常开启闭合控制,没有介质的内泄外漏,能与相应管道设备配合使用,方才设计合格。关键词:生产系统正确设计科学选材数据合理明杆楔式单闸板闸阀设计-II-AbstractTheuseofthevalveinthemodernindustrialproductionisveryimportant,itsfigureintheproductionofhumanlifeeverywhere.Theresearchofvalvecandrivetheeconomicproductionofhuman,andcangreatlyimprovetheeconomicbenefitandsaveenergyinallkindsofproductionsystem..Howtodesignandchoosethevalveisthekeytoachievethevalvesealingperformance,regulationperformance,practicalperformance,safetyandperformanceofthekey.Inthevalvedesignprocess,toavarietyofparametersstrictlycheckedandchecked,theneedtoconsiderallkindsoffactors,suchasmediatemperature,pressure,corrosionandsoscientificrigor.Valvebody,partsofthescientificselectionshouldbescientific,soasnottocauseunnecessaryeconomiclossesandwaste.Thedesignoftheprocessneedstodrawtheedgeofthecalculation,throughthedesignandcalculationofthevalvepartsofthedata,andthendrawapartdiagramontheCAD,sothatthedataisreasonableforeachcomponent.Throughtherigorouscalculationanddesign,thevalvecanopenthemediumofthepipelinenormallyopentheclosurecontrol,withouttheleakageofthemediuminsidethemedium.Keywords:Productionsystem,Correctdesign,Scientificselection,Datareasonable明杆楔式单闸板闸阀设计-III-目录摘要.................................................................................................................IAbstract.........................................................................................................II目录..............................................................................................................III前言................................................................................................................1一、设计任务..............................................................................................2二、确定阀门的主体材料..........................................................................4三、明杆楔式单闸板闸阀设计..................................................................53.1承压件设计......................................................................................73.1.1承压件材料............................................................................83.1.2承压件壁厚............................................................................83.2密封副设计......................................................................................93.2.1密封副材料............................................................................93.2.2密封副的总作用力和比压的计算........................................93.3阀体与阀盖连接型式和密封面结构的确定................................113.4阀杆设计........................................................................................123.4.1阀杆材料..............................................................................133.4.2阀杆总轴向力计算..............................................................133.4.3阀杆扭应力计算..................................................................163.4.4阀杆弯曲应力的校核..........................................................173.5闸板设计........................................................................................193.5.1闸板材料..............................................................................203.5.2闸板厚度计算......................................................................203.6中法兰设计....................................................................................213.6.1中法兰材料..........................................................................213.6.2中法兰计算..........................................................................213.6.3中法兰垫片计算..................................................................223.6.4螺栓设计计算......................................................................233.6.5弯曲应力计算......................................................................243.7阀盖设计........................................................................................253.7.1阀盖材料..............................................................................25明杆楔式单闸板闸阀设计-IV-3.7.2阀盖壁厚计算......................................................................263.8支架设计计算................................................................................263.8.1支架材料..............................................................................273.8.2弯曲应力计算......................................................................273.9阀杆螺母的设计..................