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| 减速器弧齿锥齿轮动态啮合疲劳强度研究 | |
| 引用本文： | 李 源,韩 旭,叶南海,袁杰红. 减速器弧齿锥齿轮动态啮合疲劳强度研究[J]. 湖南大学学报(自然科学版), 2010, 37(6): 32-35 |
| 作者姓名： | 李 源 韩 旭 叶南海 袁杰红 |
| 作者单位： | 1. 湖南大学,汽车车身先进设计制造国家重点实验室,湖南,长沙,410082;国防科学技术大学,指挥军官基础教育学院,湖南,长沙,410072 2. 湖南大学,汽车车身先进设计制造国家重点实验室,湖南,长沙,410082 3. 国防科学技术大学,指挥军官基础教育学院,湖南,长沙,410072 |
| 基金项目： | 国家杰出青年基金资助项目，国家自然科学基金资助项目，高校博士学科点专项基金资助项目 |
| 摘 要： | 以某型直升机尾减速器的弧齿锥齿轮副为研究对象,基于其非线性有限元接触分析模型,在一个啮合周期内,对该齿轮副进行了连续动态啮合过程的仿真,研究了该型轮齿的动态啮合齿面接触和齿根弯曲疲劳性能.啮合过程仿真得到的齿面接触和齿根弯曲应力的变化规律符合轮齿实际动态啮合规律.疲劳过程仿真得到了疲劳寿命分布云图并判断出轮齿疲劳破坏主要发生在齿根受压侧的倒角区域,进而得到了经渗碳处理前后齿根疲劳破坏节点位置的疲劳寿命值. |
| 关 键 词： | 疲劳强度 弧齿锥齿轮 动态啮合 齿面接触 齿根弯曲 |
Study of the Fatigue Strength of the Dynamic Meshing of the Spiral Bevel Gears of Reducer |
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| LI Yuan,HAN Xu,YE Nan-hai and YUAN Jie-hong. Study of the Fatigue Strength of the Dynamic Meshing of the Spiral Bevel Gears of Reducer[J]. Journal of Hunan University(Naturnal Science), 2010, 37(6): 32-35 | |
| Authors: | LI Yuan HAN Xu YE Nan-hai YUAN Jie-hong |
| Affiliation: | LI Yuan1,2,HAN Xu1,YE Nan-hai1,YUAN Jie-hong2(1.State Key Laboratory of Advanced Design and Manufacture for Vehicle Body,Hunan Univ,Changsha,Hunan 410082,China,2.College of Basic Education for Commanding Officers,National Univ of Defense Technology,Hunan 410072,China) |
| Abstract: | An accurate nonlinear contact analysis model was established by using finite element method for a pair of spiral bevel gears of the tail reducer of a helicopter.Based on this model,dynamic meshing simulation was carried out in a meshing period.The performance of tooth contact fatigue and tooth root bending fatigue was studied.The regular pattern indicating the variety of tooth surface contact stress and tooth root bending stress with different meshing positions was presented.Then this paper analyzed the con... |
| Keywords: | fatigue strength spiral bevel gears dynamic meshing strength tooth surface contact tooth root bending |
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