欢迎来到天天文库
浏览记录
ID:32364994
大小:1.31 MB
页数:6页
时间:2019-02-03
《双向压扭联轴器滞环颤振补偿技术研究》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、2015年6月农业机械学报第46卷第6期doi:10.6041/j.issn.10001298.2015.06.050双向压扭联轴器滞环颤振补偿技术研究1111,211刘国文李胜阮健江海兵申屠胜男孔晨菁(1.浙江工业大学特种装备制造与先进加工技术教育部重点实验室,杭州310014;2.衢州学院机械工程学院,衢州324000)摘要:提出一种针对2D电液比例方向阀的双向压扭联轴器的设计方案,用球型滚轮传递运动,将楔形件的直线运动转换为阀芯的旋转运动,同时放大输出转矩和2D阀芯的扭转角度。建立了压扭联轴器的动力学方程,用相平面法研究了
2、其颤振补偿间隙特性,采用颤振补偿技术降低压扭联轴器的滞环,达到消除间隙的效果。在建立数学模型和制作样机的基础上,对楔形件直线运动与阀杆旋转角度之间的关系进行了仿真和实验,仿真分析与实验结果基本吻合,实验结果表明:采用颤振补偿技术可有效降低因间隙产生的滞环;颤振幅值为间隙量50%时,滞环约为37%,颤振幅值大于间隙量时,滞环小于2%。关键词:压扭联轴器相平面分析滞环特性颤振补偿中图分类号:TH137文献标识码:A文章编号:10001298(2015)06034906DitherCompensationTechnologyfor
3、HysteresisofBidirectionThrustTorsionCoupling1111,211LiuGuowenLiShengRuanJianJiangHaibingShentuShengnanKongChenjing(1.KeyLaboratoryofE&M,MinistryofEducation,ZhejiangUniversityofTechnology,Hangzhou310014,China2.CollegeofMechanicalEngineering,QuzhouUniversity,Quzhou32400
4、0,China)Abstract:Anoveldesignprojectofbidirectionthrusttorsioncouplingwasputforwardfor2Delectrohydraulicproportionaldirectionalvalvebyusingsphericalroller,thewedgeslinearmotioncouldbetranslatedintospoolsrotarymotion,andtheoutputtorqueand2Dspoolstorsionanglecouldbe
5、amplified.Onthebasisofthemathematicalmodel,thedynamiccharacteristicofthrusttorsioncouplingandthehysteresischaracteristicsduetobacklashwereanalyzedbyusingphaseplaneanalysismethod.Thebacklashwasovercomebyusingdithercompensationtechnologyandtheeffectforeliminatingtheback
6、lashwasachieved.Basedonthemathematicalmodelandtheprototype,therelationshipbetweenlinearmotionofthewedgeandrotationangulardisplacementofthespoolwasresearchedandsimulated.Simulationandexperimentalresultswereconsistent.Experimentalresultsshowedthatthehysteresisofbacklashc
7、ouldbereducedefficientlybyusingdithercompensationtechnology,thehysteresiswasabout37%asditheramplitudewashalfofbacklash,anditcouldbecontrolledbelow2%,asditheramplitudewasbeyondthebacklash.Bidirectionthrusttorsioncouplingcouldbeusedinthe2Delectrohydraulicproportionald
8、irectionalvalveandtheamplificationofthedisplacementcouldberealized.Keywords:ThrusttorsioncouplingPhaseplaneanalysisH
此文档下载收益归作者所有