第48卷第1期2024年1月doi:10.11832/j.issn.1000-4858.2024.01.016液压与气动ChineseHydraulics&Pneumatics恒流径向柱塞泵输出特性分析与试验Vol.48No.1January.2024王德海,杨扬凌",王二毛",杨帅",刘宝玉”,安高成(1.内蒙古第一机械集团股份有限公司科研所,内蒙古包头014010;2.太原科技大学机械工程学院,山西太原030024)摘要:基于特种装备车辆转向系统恒流量需求的背景,以优化某型恒流量径向柱塞泵输出动特性为目的,进行了恒流量机理解析及流量脉动分析优化。针对流量输出特性搭建了数学及仿真模型,并对比仿真、试验结果,以验证原理、模型的有效性。并以恒流量值、恒流量临界转速为约束条件,对流量脉动率进行了优化分析研究。结果表明:可通过该型结构实现柱塞泵恒流量功能;在输入转速大于恒流量临界转速后,随转速升高,平均流量将趋于稳定,而流量脉动将随转速升高而升高;通过优化柱塞直径、偏心距和节流口开口量,可有效降低流量脉动率5%以上。关键词:柱塞泵;优化分析;恒流量;流量脉动中图分类号:TH137;TH322文献标志码:BAnalysisandTestofOutputCharacteristicsofConstantWANGDe-hail,YANGLing',WANGEr-mao',YANGShuai',LIUBao-yu',ANGao-cheng"(1.ScientificResearchInstitution,InnerMongoliaFirstMachineryGroupCo.,Ltd.,Baotou,InnerMongolia014010;2.SchoolofMechanicalEngineering,TaiyuanUniversityofScienceandTechnology,Taiyuan,Shanxi030024)Abstract:Inthecontextoftheconstantflowdemandforthesteeringsystemofspecialequipmentvehicles,withtheaimofoptimizingtheoutputdynamiccharacteristicsofacertaintypeofconstantflowradialpistonpump,theconstantflowmechanismanalysisandflowpulsationoptimizationwerecarriedout.Amathematicalandsimulationmodelwasestablishedfortheflowoutputcharacteristics,andthesimulationandexperimentalresultswerecomparedtoverifytheeffectivenessoftheprincipleandmodel.Thentheflowpulsationratewasoptimizedandanalyzedundertheconstraintsofconstantflowrateandcriticalspeed.Theresultsindicatethat:Theconstantflowfunctioncanbeachievedthroughthisstructure;Aftertheinputspeedisgreaterthancriticalspeed,theaverageflowratewilltendtostabilizeasthespeedincreases,whiletheflowpulsationwillincrease;Flowpulsationcanbeeffectivelyreducedbymorethan5%,wi...