TPEE弹性元件与楔形机构组合式缓冲器的运动分析  

Kinematic Analysis of Draft Gear Combined TPEE Elastic Elements with Wedge Mechanism

作　　者：魏延刚[1] 张媛 司马娅轩 王睿嘉 宋亚昕 宋海超 李维忠 张慧斌 WEI Yangang;ZHANG Yuan;SIMA Yaxuan;WANG Ruijia;SONG Yaxin;SONG Haichao;LI Weizhong;ZHANG Huibin(School of Mechanical Engineering,Dalian Jiaotong University,Dalian 116028,China;Beijing Duobang Huike Railway Vehicle Equipment Technology Limited Company,Beijing 101100,China;Baotou West Locomotive Depot of Hohhot Bureau Group CO.,Ltd,Baotou 014011,China)

机构地区：[1]大连交通大学机械工程学院,辽宁大连116028 [2]北京多邦汇科轨道车辆装备技术有限公司,北京101100 [3]呼和浩特局集团有限公司包头西机务段,内蒙古自治区包头014011

出　　处：《大连交通大学学报》2020年第6期63-69,共7页Journal of Dalian Jiaotong University

基　　金：辽宁省教育厅科学研究计划资助项目(L2015099)。

摘　　要：热塑性聚酯弹性体TPEE元件的良好吸振能力和物理化学性能使其正广泛应用于铁路货车缓冲器和其它机械缓冲器中,为了进一步提高缓冲器的缓冲性能,发明了一种TPEE弹性元件与楔形机构组合式缓冲器,根据TPEE弹性元件缓冲器的静压实验获得的力和位移关系曲线,结合运动学基本原理,分析了这种新型缓冲器主要元件的受力、位移和摩擦损耗,对缓冲器的效率和能量吸收率进行了研究,给出缓冲器吸收率的计算方法并推导出相关公式,针对某一应用工况和条件给出了算例,为新型缓冲器的研发提供了的参考.A new draft gear combined TPEE elastic elements with wedge mechanism is invented to enhance the performance of the draft gears.Combined with kinematic principle,the displacement,force and friction loss of the main parts and the efficiencies and energy absorptivity of the new draft gear are studied,and the calculation method and the formula of energy absorptivity are offered according to the curve relation between force and displacement from static pressure test of draft gear with TPPEE elastic elements and the example under a certain work case and condition is given.The presented study offers a reference to design and manufacture of the new draft gear.

关 键 词：TPEE 楔形机构 运动学 缓冲器 

分 类 号：U270.3[机械工程—车辆工程]