| H形密封圈密封性能分析与优化研究 |
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| 引用本文： | 李松波,周知进,熊雄,罗先聪. H形密封圈密封性能分析与优化研究[J]. 机床与液压, 2020, 48(4): 131-135. DOI: 10.3969/j.issn.1001-3881.2020.04.034 |
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| 作者姓名： | 李松波 周知进 熊雄 罗先聪 |
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| 作者单位： | 江西理工大学机电工程学院,江西赣州341000;贵州理工学院机械工程学院,贵州贵阳550003;西南科技大学制造科学与工程学院,四川绵阳621010 |
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| 基金项目： | 国家自然科学基金面上项目（51479073）；贵州理工学院科技专项（KJZX17-014） |
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| 摘 要： | 为研究H形密封圈在液压缸活塞密封中的力学性能,建立H形密封装置模型,利用ANSYS软件分析安装阶段、空载阶段和加载阶段的应力变化,并对结构进一步优化,进行对比分析。结果表明:最大应力值随着装载而右移;Von mises应力最大值随着压缩率增大而增大,均处于与缸壁接触处;Von mises应力随着流体压力增大而增大,且密封圈中部会向上突出;优化后能有效减小应力对结构的破坏。
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| 关 键 词： | H形密封圈 压缩率 Von mises应力 流体压力 优化 |
Sealing Performance Analysis and Optimization of H-shaped Seal Ring |
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| LI Songbo,ZHOU Zhijin,XIONG Xiong,LUO Xiancong. Sealing Performance Analysis and Optimization of H-shaped Seal Ring[J]. Machine Tool & Hydraulics, 2020, 48(4): 131-135. DOI: 10.3969/j.issn.1001-3881.2020.04.034 |
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| Authors: | LI Songbo ZHOU Zhijin XIONG Xiong LUO Xiancong |
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| Affiliation: | (School of Mechanical and Electrical Engineering,Jiangxi University of Science and Technology,Ganzhou Jiangxi 341000,China;School of Mechanical Engineering,Guizhou Institute of Technology,Guiyang Guizhou 550003,China;School of Manufacturing Science and Engineering,Southwest University of Science and Technology,Mianyang Sichuan 621010,China) |
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| Abstract: | In order to study the mechanical properties of the H-shaped seal ring in the piston seal of the hydraulic cylinder, the H-shaped seal device model was established. The stress changes in the installation phase, the no-load phase and the loading phase were analyzed by ANSYS software, and the structure was further optimized for comparative analysis. The results show that the maximum stress value shifts to the right with loading; the maximum Von mises stress increases with the increase of compression ratio, and both are in contact with the cylinder wall; the Von mises stress increases with the increase of fluid pressure, and the middle part of the sealing ring will protrude upwards; after optimization, the stress can be effectively reduced. |
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| Keywords: | H-shaped sealing ring Compression ratio Von mises stress Fluid pressure Optimization |
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