| HX_D1B型机车大螺栓的强度及预紧分析 |
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| 引用本文： | 王德新,汪伟,邹文辉,晋军辉,陈清明.HX_D1B型机车大螺栓的强度及预紧分析[J].电力机车技术,2012(4):41-44. |
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| 作者姓名： | 王德新 汪伟 邹文辉 晋军辉 陈清明 |
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| 作者单位： | [1]南车株洲电力机车有限公司技术中心,湖南株洲412001 [2]西安铁路局机务处,陕西西安710054 |
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| 基金项目： | 铁道部科技研究开发计划（2007J011-B）; 中国南车集团公司科技计划项目（2006NCK013） |
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| 摘 要： | 文章介绍了HXD1B型机车大螺栓的安装结构及其作用,对大螺栓的轴向工作载荷、预紧力、强度等进行计算和校核,比较了力矩法、测量螺栓伸长法、应变计法等三种不同的预紧力控制方法的优缺点,提出影响大螺栓预紧力控制的各种因素并进行分析,最终确定适用于大螺栓的预紧力及其相应的控制方法。
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| 关 键 词： | HXD1B型机车 螺栓 结构 强度 预紧 |
Analysis of strength and tightening of the big-screw for type HXD1B locomotive |
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| WANG De-xin,WANG Wei,ZOU Wen-hui,JIN Jun-hui,CHEN Qing-ming.Analysis of strength and tightening of the big-screw for type HXD1B locomotive[J].Technology for Electric Locomotives,2012(4):41-44. |
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| Authors: | WANG De-xin WANG Wei ZOU Wen-hui JIN Jun-hui CHEN Qing-ming |
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| Institution: | 1.R＆D Center, CSR Zhuzhou Electric Locomotive Co., Ltd., Zhuzhou 412001, China ; 2.Locomotive Compartment of Xi＇an Railway Bureau, Xi＇ an 710054, China) |
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| Abstract: | This paper presents the assembly structure and the function of the big-screw of type HXDIB locomotive, calculates and checks the axial load, the tightening force, the strength of the big-screw, compares the control methods of the tightening force,presents and analyses the factors of the control methods,finally determines the tightening force and the control method of the big-screw. |
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| Keywords: | type HXD1B locomotive screw structure strength tightening |
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