| 内燃机车传动轴焊缝非裂纹缺陷处疲劳强度的校核——塞焊圆孔周边疲劳强度问题 |
| |
| 引用本文： | 许玢,杨延功,平学成.内燃机车传动轴焊缝非裂纹缺陷处疲劳强度的校核——塞焊圆孔周边疲劳强度问题[J].安阳工学院学报,2010,9(6):1-3,7. |
| |
| 作者姓名： | 许玢 杨延功 平学成 |
| |
| 作者单位： | 华东交通大学,机电工程学院,南昌,330013;华东交通大学,机电工程学院,南昌,330013;华东交通大学,机电工程学院,南昌,330013 |
| |
| 基金项目： | 江西省教育厅科学研究项目 |
| |
| 摘 要： | 利用ANSYS对内燃机车传动轴空心轴焊缝的等效分析得出了塞焊圆孔周边最薄弱的环节。借助于Miner理论得到传动轴变幅载荷谱下的寿命预测。通过雨流计数法,将传动轴的扭矩载荷时间历程编制成传动轴载荷谱,再将应力谱按损伤相等的原则等效为恒幅应力,并采用该等效应力幅利用名义应力法对其在各条件下进行疲劳强度的校核。
|
| 关 键 词： | 空心轴 等效分析 Miner理论 名义应力法 疲劳强度 |
Fatigue Strength Evaluation of the Plug Weld in the Transmission Shaft of a Diesel locomotive——Fatigue Strength Problems of the Plug Weld Hole |
| |
| XU Fen,YANG Yan-gong,PING Xue-cheng.Fatigue Strength Evaluation of the Plug Weld in the Transmission Shaft of a Diesel locomotive——Fatigue Strength Problems of the Plug Weld Hole[J].Journal of Anyang Institute of Technology,2010,9(6):1-3,7. |
| |
| Authors: | XU Fen YANG Yan-gong PING Xue-cheng |
| |
| Institution: | XU Fen,YANG Yan-gong,PING Xue-cheng(Electrical and Mechanical Engineering,East China Jiaotong University,Nanchang 330013,China) |
| |
| Abstract: | The paper analyzes the diesel hollow shaft by ANSYS software and arrives the conclusion that the surrounding of the circle holes around the plug weld are weakest places.The amplitude life prediction under the load spectrum is realized by Miner theorem.By rain flowing counting method,the torque load time histories of the shaft into shaft load spectrum is compiled.The stress spectrum in accordance with the constant amplitude stress with the principle of equal damage equivalent,the fatigue strength is checked by the nominal stress. |
| |
| Keywords: | hollow shaft equivalent analysis Miner theory nominal stress method fatigue |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
