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I摘要随着改革开放的不断深入，经济建设和人民生活对冷藏汽车的需求越来越来迫切，使用的覆盖面越来越来广泛，需求量也越来越来大。方便灵活的冷藏汽车在我国冷藏运输中扮演了越来越重要的角色。冷藏保温汽车是冷藏运输用的专用汽车，用来运输易腐货物和对温度有特殊要求的货物。本设计以一汽解放悍威J5M汽车二类底盘为基础，改装设计为大型冷藏汽车，该车冷藏箱通过焊接安装在副车架上。冷藏车厢既有隔热保温作用，又安装有制冷机组制冷，满足冷藏车的冷藏温度-4℃的设计要求。运输途中压缩机通过皮带由发动机驱动。关键词：冷藏运输；冷藏保温汽车；专用汽车；隔热保温；制冷机组IIABSTRACTWiththecontinuousdeepeningofreformandopeningup,economicconstructionandpeople'sgrowingdemandforrefrigeratedvehiclestopressingtousemoreandmoreextensivecoverage,demandisalsogrowingtolarge.Convenientandflexibleinourrefrigeratedtransportrefrigeratedvehiclesplayanincreasinglyimportantrole.Refrigeratedvehiclesareusedinspecialrefrigeratedtransportvehiclesusedtotransportperishablegoodsandhavespecialrequirementsonthetemperatureofthegoods.ThedesignFAWHanweiJ5Mtwotypesofchassis-basedvehicles,modifieddesignforlargerefrigeratedcars,carrefrigeratormountedbyweldingonthesubframe.Theroleofboththermalinsulationcoldstoragecompartment,andarefrigerationunitinstalledrefrigeration,refrigeratedtruckstomeetthetemperatureof-4℃refrigerationdesignrequirements.Transitthroughthebeltbytheengine-drivencompressor.Keywords：RefrigeratedTransport;Refrigeratedvehicles;SpecialVehicleDesign;Insulation;Refrigerationunit黑龙江工程学院本科生毕业设计目录摘要··············································································································IAbstract···············································································································II第1章绪论···························································································11.1改装冷藏汽车的目的和意义······································································11.2国内外现状及发展前景·············································································21.2.1国内外发展现状··············································································21.2.2冷藏汽车的发展前景·······································································31.3课题主要内容···························································································3第2章总布置方案及二类底盘参数···························································52.1整车总布置·······························································································52.2二类底盘参数···························································································52.3本章小结··································································································7第3章车厢设计···························································································83.1车厢尺寸参数的确定·················································································83.1.1车厢外廓尺寸··················································································83.1.2车厢内尺寸·····················································································83.2车厢结构与设计························································································83.2.1车厢骨架结构设计···········································································83.2.2蒙皮的设计····················································································113.2.3隔热车厢的结构型式······································································113.2.4隔热层材料选择和设计···································································123.3车厢后门、密封条的设计·········································································133.3.1车厢后门的设计·············································································133.3.2密封条的设计·················································································133.4热平衡计算······························································································143.5本章小结·······································································错误!未定义书签。第4章副车架的设计························································错误!未定义书签。4.1副车架设计····································································错误!未定义书签。4.2本章小结·······································································错误!未定义书签。第5章制冷机组的选择与布置········································错误!未定义书签。5.1蒸汽压缩式制冷装置介绍···············································错误!未定义书签。5.1.1制冷基本原理·······················································错误!未定义书签。5.1.2制冷剂·····································································错误!未定义书签。5.2制冷系统各装置的选择······················································错误!未定义书签。5.2.1冷凝器的选择···························································错误!未定义书签。5.2.2蒸发器的选择···························································错误!未定义书签。5.3制冷系统各装置的布置······················································错误!未定义书签。5.3.1冷凝器的布置···························································错误!未定义书签。5.3.2蒸发器的布置···························································错误!未定义书签。5.4本章小结···········································································错误!未定义书签。第6章锁门机构··························································································146.1车厢门锁·································································································146.2车厢门铰链························