摘要
为了研究液压链条张紧器的动力学性能,文章通过引入变化的体积模量,建立了考虑油液混气比和可压缩性的张紧器动力学数学模型;提出将能量耗散率和最大阻尼力作为评价指标,运用AVL Excite-TD软件进行动力学仿真以验证数学模型的正确性;最后研究了油液混气比和张紧器油液体积对其动力学性能的影响。研究结果表明,通过合理设计油液混气比、张紧器高压腔体积及其调节装置能显著提高液压链条张紧器的动力学性能。
In order to study the dynamic performance of the hydraulic chain tensioner, a varying bulk modulus was introduced and the dynamic mathematical model of the tensioner considering the air ratio and compressibility of the hydraulic oil was established. Then, taking the energy dissipation efficiency and peak damping force as two evaluation indicators, the dynamic simulation was conducted by using the AVL Excite TD software to verify the correctness of the established model. Finally, the influence of the air ratio of hydraulic oil and the volume of the tensioner on the dynamic performance of the tensioner was studied. The research results indicate that a rational design of the air ratio of hydraulic oil, the volume of high pressure chamber and the adjuster of the tensioner can effectively improve the dynamic performance of the hydraulic chain tensioner.
出处
《合肥工业大学学报（自然科学版）》
CAS
CSCD
北大核心
2016年第5期586-591,共6页
Journal of Hefei University of Technology：Natural Science
基金
安徽省科技攻关计划资助项目(1301022056)
合肥工业大学产学研校企合作资助项目(11-646)
关键词
液压链条张紧器
动力学性能
能量耗散率
混气油液
体积模量
hydraulic chain tensioner
dynamic performance
energy dissipation efficiency
aerated oil
bulk modulus
