| 大功率V型柴油机主轴承座结构强度模拟分析 |
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| 引用本文： | 毛平安,黄第云,蓝宇翔,杨占林.大功率V型柴油机主轴承座结构强度模拟分析[J].柴油机,2019,41(4):30-34. |
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| 作者姓名： | 毛平安 黄第云 蓝宇翔 杨占林 |
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| 作者单位： | 广西玉柴机器股份有限公司,广西 玉林,537005;广西玉柴机器股份有限公司,广西 玉林,537005;广西玉柴机器股份有限公司,广西 玉林,537005;广西玉柴机器股份有限公司,广西 玉林,537005 |
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| 基金项目： | 受上科委科研计划项目资助 |
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| 摘 要： | 建立了包括机体、主轴承座、曲轴、轴瓦及紧固螺栓的大功率V型柴油机主轴承座有限元分析模型，分别对螺栓预紧、轴瓦过盈、动压力三种工况下，主轴承座的应力和疲劳、轴瓦背压以及主轴承孔变形等情况进行分析。进一步的疲劳分析表明:设计方案中的主轴承座满足结构强度要求。
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| 关 键 词： | 大功率V型柴油机 主轴承座 结构强度 有限元分析 |
| 收稿时间： | 2018/9/16 0:00:00 |
| 修稿时间： | 2019/1/4 0:00:00 |
Simulation Analysis on the Structure Strength of Main Bearing Seat of a Large V Type Diesel Engine |
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| Mao Pingan,Huang Diyun,Lan Yuxiang and Yang Zhanlin.Simulation Analysis on the Structure Strength of Main Bearing Seat of a Large V Type Diesel Engine[J].Diesel Engine,2019,41(4):30-34. |
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| Authors: | Mao Pingan Huang Diyun Lan Yuxiang and Yang Zhanlin |
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| Affiliation: | Yuchai Machinery Co., Ltd., Guangxi Yulin 537005,Yuchai Machinery Co., Ltd., Guangxi Yulin 537005,Yuchai Machinery Co., Ltd., Guangxi Yulin 537005 and Yuchai Machinery Co., Ltd., Guangxi Yulin 537005 |
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| Abstract: | The FEM model of a large V type diesel engine was established, including engine body, main bearing seat, crankshaft, baring and fastening bolt. The stress and fatigue of main bearing seat, bearing back pressure, deformation of main bearing hole were analyzed under three conditions respectively, which were bolt pretightening, bearing interference, dynamic pressure. Further fatigue analysis show that the new designed main bearing seat meets with the requirement of structure strength. |
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| Keywords: | large power V type diesel engine main bearing set structure strength FEM analysis |
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