基于LS-DYNA的VH-CATT圆柱齿轮啮合特性分析  

Analysis of meshing characteristics of VH-CATT cylindrical gear based on LS-DYNA

作　　者：宋良友 马登秋 罗德莲 魏蓉 邓孝丽 王永永 SONG Liangyou;MA Dengqiu;LUO Delian;WEI Rong;DENG Xiaoli;WANG Yongyong

机构地区：[1]遵义师范学院工学院,贵州遵义563006 [2]昆明理工大学机电工程学院,云南昆明650504

出　　处：《现代机械》2025年第2期61-66,共6页Modern Machinery

基　　金：贵州省基础研究(自然科学)(黔科合基础-ZK〔2021〕一般273);国家级大学生创新创业训练项目(202210664081)。

摘　　要：变双曲圆弧齿线(VH-CATT)圆柱齿轮作为一种新型齿轮,具有优异的啮合传动性能,因此分析其啮合特性具有重要意义。为了分析不同载荷大小和不同载荷类型对其啮合特性的影响,运用有限元分析软件LS-DYNA在不同载荷大小和不同载荷类型条件下对齿轮传动系统的啮合过程进行分析,得到该圆弧齿轮在整个啮合过程中齿面压力、等效塑性应变、等效应力和最大剪切应力的变化趋势。研究结果表明:随着载荷的增大,该圆弧齿轮啮合过程中的危险时间点逐渐靠近啮入阶段,且该圆弧齿轮即使在交变载荷条件下,仍未有明显的二次啮入冲击,具有良好的啮合性能。研究结果可为VH-CATT圆柱齿轮传动设计、制造提供一定的理论依据。As a new type of gear,the Variable-Hyperbolic-Circular-Arc-Tooth-Trace(VH-CATT)cylindrical gear has excellent meshing transmission performance,so it is of great significance to analyze its meshing characteristics.In order to analyze the influence of different load sizes and types on its meshing characteristics,this paper uses the finite element analysis software LS-DYNA to analyze the meshing process of the gear transmission system under different load sizes and types,and obtains the change trend of the tooth surface pressure,equivalent plastic strain,equivalent stress and maximum shear stress of the gear in the whole meshing process.The results show that with the increase of load,the dangerous time point in the meshing process gradually moves towards the meshing stage,and the gear has no obvious secondary meshing impact even under the condition of alternating load,which indicates good meshing performance.The research results can provide a theoretical basis for the design and manufacture of VH-CATT cylindrical gear transmission system.

关 键 词：VH-CATT圆柱齿轮 啮合特性 LS-DYNA 

分 类 号：TH122[机械工程—机械设计及理论]