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时间:2019-02-25
《对于不同温况点下铝合金液压阀岛溢流阀性能的测试研究》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、第9期机械设计与制造2012年9月MachineryDesign&Manufacture129文章编号:1001—3997(2012)09—0129—03不同温况点下铝合金液压阀岛溢流阀性能的测试研究术曹文琴朱海燕向毅3(’华东交通大学机电学院,南昌330013)(华东交通大学轨道交通学院,南昌330013)(。美的制冷设备有限公司,佛山528301)TestResearchonPerformanceoftheAIumirTum—AlloyHydraulicValveTerminaIReliefValveundertheDi
2、fferentTemperatureConditionPointsCAOWen-qin,ZHUHai-yan:,XIANGYi(SchoolofMechanicalandElectricalEngineering,EastChinaJiaotongUniversity,Nanchang330013,China)(~SchoolofRailwayTracksandTransportation,EastChinaJiaotongUniversity,Nanchang330013,China)(MideaRefrigeration
3、EquipmentCo.,Ltd,Foshan528301,China)●^-一^p^p^^●十”^●十^^十^量十^●十^十■H呻^l十^l十I‘+‘‘‘‘●一,l【摘要】为测试铝合金阀岛溢流阀的性能在(一50140)~T能否满足使用要求,根据铝合金;}液压阀岛系统结构和工作原理,并在分析其试验要求的基础上构建了阀岛溢流阀测试平台总体结构。{l将整个阀岛置于能够调温的高低温柜内,通过在(一50140)oC的温况下对阀岛溢流阀的动态特性进行测2}试,分析测试的动态特性曲线,得出测试的结果:液压阀岛在设定的测试温度范围内均能正
4、常调压,无外渗{l漏现象;液压阀岛溢流阀在(一5020)~C的温度下工作时其响应稍为缓慢,但压力稳定可调能正常工作;2}在(一21~79)oC温况下工作时其响应与(80~140)℃温况下基本没有差异。液压阀岛电磁阀在(一50—79)~C《l温况下能正常换向,在(80~140)。(=温况下却不能。2}关键词:阀岛;溢流阀;温况;测试;特性曲线《i【Abstract】ordertotestwhethertheperformauceofthealuminum-alloyhydraulicvalveterminali}reliefv
5、alvecanmeetthedemandsornotunclerconditionsofhigh&lowteroperaturebetween(一50-{1.140)~C,accordingtoitsstructureandworkingprinciple,thegeneralstructureofvalveterminalteststand2}∞establishedbasedonanalyzingitstestrequirements.eentirevalveterminalwasputinthehigh—low《lte
6、mperaturecabinetthatthetemperaturecanbeadjusted,bywhichthedynamiccharacteristicsofthevalvei}terminalWastestedunclert^econditionof(一50—140)c(=,andthenthetestdynamiccharacteristiccurves《!wereanalyzedandCandrawthetestresultsthatthehydraulicvalveterminalcanregulatepres
7、surenormallyl;underthesettemperatureenvironmentwithoutleakagephenomenon;theresponsespeedofthehydraulic《}aleeterminalrelie厂valveisslightlyslowinlowtemperaturebetween(一50-一20)clC,butitspressureisstj}bleand耐ustable,andvanworknormally;theresponsespeedalmosthasnodiffere
8、ncebetween(一21~79)~C{}a,u/(80—140)~Cworkingconditions.electromagneticvalvevanreversenormallyundertheconditionbe—l;tween(一50—79)c【=,6can'tunder(80
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