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工程机械液压系统的泄漏是长期未能根本解决的棘手问题,其中尤以工程机械液压缸的泄漏为最甚。本文就液压缸泄漏的主要原因作了系统叙述和分析,并举出一实例扼要介绍液压缸典型活塞用密封装置的“背压”破坏事例及治理方法。
Leakage of construction machinery hydraulic system is a long-term problem can not be solved fundamentally, especially in construction machinery hydraulic cylinder leakage is the worst. In this paper, the main reasons for hydraulic cylinder leakage were systematically described and analyzed. An example was given to give an overview of the “back pressure” failure of the typical piston sealing device of hydraulic cylinder and its treatment method.