液压元件密封失效分析与防漏技术优化  

Analysis of Sealing Failure of Hydraulic Components and Optimization of Leak Prevention Technology

作　　者：刘宁 Liu Ning(Shanghai Zhenhua Heavy Industry(Group)Co.,Ltd.,Shanghai 201913,CHN)

机构地区：[1]上海振华重工(集团)股份有限公司长兴分公司,上海201913

出　　处：《模具制造》2025年第4期161-163,共3页Die & Mould Manufacture

摘　　要：工程实践中,液压元件密封失效是影响系统可靠性的关键问题。通过分析密封失效的结构设计、材料性能和工况环境等主要影响因素,提出了基于结构优化、材料改性和工艺提升的系统性防漏技术方案。研究开发了纳米复合密封材料和双层复合密封结构,建立了装配工艺标准。实践表明,优化后的液压系统密封寿命显著提升,柱塞泵使用寿命延长至12,000h,系统可靠度达到0.985,为液压元件密封性能提升提供了有效途径。Sealing failure in hydraulic components critically impacts system reliability.It presents a leak prevention solution through structural optimization,material innovation,and process improvement,addressing key factors like design,material performance,and working conditions.Nano-composite sealing materials,double-layer composite structures,and standardized assembly processes were developed.Results show an extended plunger pump lifespan of 12,000 hours and system reliability of 0.985,effectively enhancing hydraulic sealing performance.

关 键 词：液压元件 密封失效 防漏技术 

分 类 号：TH137[机械工程—机械制造及自动化]