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毕业论文 说明书 机械毕业设计

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1（二〇一一年六月本科毕业设计说明书题目：铁路货车空气控制阀主阀设计学生姓名：学院：机械学院系别：机械系专业：机械制造及其自动化班级：指导教师：内蒙古工业大学本科毕业论文2摘要货车空气制动阀作为我国当前货车制动机的主体，占据着我国铁路制动的主导地位，铁路货车空气控制阀内部腔道结构密集，空气制动原理复杂，随着列车的牵引重量和运行速度不断提高，制动技术在铁路发展中越来越重要。本文以CAXA2007三维实体设计为开发工具，对空气控制阀的列车制动系统进行认真的研究和分析，内容包括了模型制作，装配过程，以及空气控制阀原理和各部件原理，并参考眉山车辆厂研制的120阀三维模型，力求达到国内标准的空气控制阀。【关键词】：货车空气制动机控制阀内蒙古工业大学本科毕业论文3AbstractAsatruckairbrakevalvebrakevanofthemaincurrent,occupytheleadingpositionofChina'srailwaybrake,railtruckaircontrolvalvestructureoftheinternalcavity,dense,complexairbrakeprinciple,withtheweightofthetrain'stractionandspeedcontinuousimprovementinbrakingtechnologymoreandmoreimportantinrailwaydevelopment.Inthispaper,three-dimensionalsoliddesignCAXA2007developmenttool,thetrainairbrakesystemcontrolvalveforseriousresearchandanalysis,includingthemodeling,assemblyprocess,andtheaircontrolvalveprincipleandtheprinciplecomponents,andreferenceMeishanRollingStockWorksthree-dimensionalmodeldevelopedbyvalve120,andstrivetoachievethenationalstandardsofaircontrolvalve.【Keywords】:truckairbrakecontrolvalve内蒙古工业大学本科毕业论文1目录第一章铁路货车概况...........................21.1空气控制阀的发展.........................................................21.2货车转向架................................................................21.2.1转向架简介..............................................................21.2.2转向架的发展............................................................31.2.3转向架的组成............................................................41.3制动装置..................................................................4第二章铁路货车空气控制阀工作原理..............52.1充气缓解位................................................................52.2减速充气缓解位............................................................52.3常用制动位................................................................62.4制动保压位................................................................62.5紧急制动位................................................................62.6缓解阀的作用..............................................................6第三章铁路货车空气控制阀设计.................73.1设计步骤..................................................................73.1.1主阀体..................................................................73.1.1作用部..................................................................83.1.3夹心阀.................................................................103.2装配.....................................................................113.2.1作用部.................................................................113.2.2装配减速部.............................................................123.2.3装配加速缓解阀.........................................................133.2.4紧急二段阀.............................................................133.2.5装配控制铁路货车空气控制阀阀盖.........................................143.3常见故障与分析...........................................................143.3.1常见故障分析.......................................................................................................................153.3.2其他原因分析.......................................................................................................................17结论.........................................................................19参考文献.....................................................................20致谢.........................................................................21

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