碟簧力学性能试验及仿真分析
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摘要
针对外径28mm的C系列碟簧,利用微机控制电子试验机进行静力加载试验,得到碟簧不同工况下的载荷-位移特性曲线.基于ABAQUS有限元软件,建立了相应碟簧的有限元模型,进行不同位移载荷下的数值模拟计算,利用实验数据对数值计算结果进行检验并修正,修正后模型的计算结果与实测结果吻合良好.在此基础上,对开发的非标开槽碟簧建立有限元模型,计算得出了不同开槽位置和不同开槽方式下碟簧的载荷-位移特性曲线和刚度-位移曲线,系统分析了不同开槽位置和开槽方式对碟簧载荷变化范围、刚度变化速率、刚度变化幅度、负刚度区域大小和最大等效应力的影响.本研究对非标开槽碟簧的设计和作为负刚度元件在减隔振装置上的应用具有一定的参考价值.
The load-displacement characteristic curves of C-series disc spring with outside diameter of 28 mm under different working conditions were obtained by static loading test with microcomputer controlled electronic testing machine.Based on the ABAQUS finite element software,the finite element model of disc spring was established and the numerical simulation was carried out under different displacement loads.The numerical models were tested and modified using the experimental data.The modified model agreed well with the measured results.On this basis,the finite element model of non-standard grooved disc spring was established,and the load-displacement characteristic curve and stiffness-displacement curve of the disc spring under different slot positions and different slots were calculated.The effects of different slotting positions and slotting modes on the disc spring load variation range,stiffness change rate,stiffness variation range,negative stiffness zone size and maximum equivalent stress were analyzed.This study has a certain reference value for the design of non-standard grooved disc spring and the application of negative stiffness element on the vibration isolation device.
The load-displacement characteristic curves of C-series disc spring with outside diameter of 28 mm under different working conditions were obtained by static loading test with microcomputer controlled electronic testing machine.Based on the ABAQUS finite element software,the finite element model of disc spring was established and the numerical simulation was carried out under different displacement loads.The numerical models were tested and modified using the experimental data.The modified model agreed well with the measured results.On this basis,the finite element model of non-standard grooved disc spring was established,and the load-displacement characteristic curve and stiffness-displacement curve of the disc spring under different slot positions and different slots were calculated.The effects of different slotting positions and slotting modes on the disc spring load variation range,stiffness change rate,stiffness variation range,negative stiffness zone size and maximum equivalent stress were analyzed.This study has a certain reference value for the design of non-standard grooved disc spring and the application of negative stiffness element on the vibration isolation device.
引文
[1]王英浩,李文斌,王川云,等.基于有限元的航天器用碟形弹簧优化设计[J].导弹与航天运载技术,2013(6):51-55.WANG Yinghao,LI Wenbin,WANG Chuanyun,et al.Optimum design of disc spring for spacecraft based on finite element analysis[J].Missiles and Space Vehicles,2013(6):51-55.(In Chinese)
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[15]王英浩,李文斌,王川云,等.基于有限元的航天器用碟形弹簧优化设计[J].导弹与航天运载技术,2013,329(6):51-55.WANG Yinghao,LI Wenbin,WANG Chuanyun,et al.Optimal design of disc spring for spacecraft based on finite element analysis[J].Missiles and Space Vehicles,2013,329(6):51-55.(In Chinese)
[16]徐道临,周杰,周加喜,等.碟形橡胶准零刚度隔振器的设计和特性分析[J].湖南大学学报(自然科学版),2015,42(8):22-28.XU Daolin,ZHOU Jie,ZHOU Jiaxi,et al.Design and analysis of a disc rubber vibration isolator with quasi-zero-stiffness characteristic[J].Journal of Hunan University(Natural Sciences),2015,42(8):22-28.(In Chinese)
[17]邢佶慧,黄河,张家云,等.碟形弹簧力学性能研究[J].振动与冲击,2015,34(22):167-172.XING Jiehui,HUANG He,ZHANG Jiayun,et al.Mechanical properties of disc springs[J].Journal of Vibration and Shock,2015,34(22):167-172.(In Chinese)
[18]GB/1972-2005碟形弹簧[S].北京:中国国家标准化管理委员会,2005.GB/1972-2005Disc spring[S].Beijing:China National Standardization Administration Committee,2005.(In Chinese)
[2]孙培明,魏协奔,陈树钦.变刚度碟形弹簧减振器在冲床上的应用[J].锻压技术,2013,38(4):74-77.SUN Peiming,WEI Xieben,CHEN Shuqin.Application of variable stiffness damper with disc spring to punch[J].Forging&Stamping Technology,2013,38(4):74-77.(In Chinese)
[3]黄河.三维复合隔震支座的碟形弹簧试验与应用研究[D].北京:北京交通大学土木建筑工程学院,2013.HUANG He.Mechanical performance test of disc springs and application analysis of three-dimensional seismic isolation bearing[D].Beijing:School of Civil Engineering,Beijing Jiao Tong University,2013.(In Chinese)
[4]牛福,任旭东,孟令帅,等.一种准零刚度隔振缓冲器设计机理与应用研究[J].医疗卫生装备,2015,36(5):34-36.NIU Fu,REN Xudong,MENG Lingshuai,et al.Design mechanism and application of quasi-zero stiffness isolator[J].Chinese Medical Equipment Journal,2015,36(5):34-36.(In Chinese)
[5]孟令帅.新型准零刚度隔振器的设计和特性研究[D].天津:中国人民解放军军事医学科学院,2015.MENG Lingshuai.Design and characteristics analysis of the novel quasi-zero stiffness isolator[D].Tianjin:Military Medical Academy of Chinese People's Liberation Army,2015.(In Chinese)
[6]鄂加强,陈燕,李振强,等.兆瓦级风力发电机组偏航系统主动偏航特性分析[J].湖南大学学报(自然科学版),2014,41(1):57-62.E Jiaqiang,CHEN Yan,LI Zhenqiang,et al.Characteristic analysis of the active yaw system for the megawatt-class wind turbine[J].Journal of Hunan University(Natural Sciences),2014,41(1):57-62.(In Chinese)
[7]OZAKI S,TSUDA K,TOMINAGA J.Analyses of static and dynamic behavior of coned disk springs:Effects of friction boundaries[J].Thin-Walled Structures,2012,59:132-143.
[8]PATANGTALO W,AIMMANEE S,CHUTIMA S.A unified analysis of isotropic and composite Belleville springs[J].Thin-Walled Structures,2016,109:285-295.
[9]FAWAZI N,YOON J H,OH J E,et al.Geometric design of a slotted disc spring for a prescribed load-displacement function[C]//ASME 2010International Mechanical Engineering Congress and Exposition.American Society of Mechanical Engineers,2010:741-752.
[10]FAWAZI N,LEE J Y,OH J E.A load-displacement prediction for a bended slotted disc using the energy method[J].Proceedings of the Institution of Mechanical Engineers,Part C:Journal of Mechanical Engineering Science,2011:0954406211430046.
[11]廖日东,左正兴.飞行器结构分离用碟形弹簧大变形弹塑性有限元分析[J].兵工学报,2006,27(4):702-707.LIAO Ridong,ZUO Zhengxing.Large deformation elastoplastic FEM analysis of a nonstandard disc spring used in separation of aerocrafts[J].Acta Armamentaria,2006,27(4):702-707.(In Chinese)
[12]孙利民,王晓波,施力.组合碟簧的刚度研究[J].郑州大学学报(工学版),2007,28(3):117-120.SUN Limin,WANG Xiaobo,SHI Li.Research on stiffness of combination disk spring[J].Journal of Zhengzhou University(Engineering Science),2007,28(3):117-120.(In Chinese)
[13]武锐,高建和,吴焕.基于有限元的碟簧静刚度研究[J].机械工程师,2010(8):57-59.WU Ri,GAO Jianhe,WU Huan.Studies on static stiffness of disc spring based on the finite element technique[J].Mechanical Engineer,2010(8):57-59.(In Chinese)
[14]张智裕,周北岳,周勇.蝶形弹簧特性随机有限元分析[J].机械研究与应用,2011(2):7-9.ZHANG Zhiyu,ZHOU Beiyue,ZHOU Yong.Properties analysis of disk spring by PDT[J].Mechanical Research&Application,2011(2):7-9.(In Chinese)
[15]王英浩,李文斌,王川云,等.基于有限元的航天器用碟形弹簧优化设计[J].导弹与航天运载技术,2013,329(6):51-55.WANG Yinghao,LI Wenbin,WANG Chuanyun,et al.Optimal design of disc spring for spacecraft based on finite element analysis[J].Missiles and Space Vehicles,2013,329(6):51-55.(In Chinese)
[16]徐道临,周杰,周加喜,等.碟形橡胶准零刚度隔振器的设计和特性分析[J].湖南大学学报(自然科学版),2015,42(8):22-28.XU Daolin,ZHOU Jie,ZHOU Jiaxi,et al.Design and analysis of a disc rubber vibration isolator with quasi-zero-stiffness characteristic[J].Journal of Hunan University(Natural Sciences),2015,42(8):22-28.(In Chinese)
[17]邢佶慧,黄河,张家云,等.碟形弹簧力学性能研究[J].振动与冲击,2015,34(22):167-172.XING Jiehui,HUANG He,ZHANG Jiayun,et al.Mechanical properties of disc springs[J].Journal of Vibration and Shock,2015,34(22):167-172.(In Chinese)
[18]GB/1972-2005碟形弹簧[S].北京:中国国家标准化管理委员会,2005.GB/1972-2005Disc spring[S].Beijing:China National Standardization Administration Committee,2005.(In Chinese)