Failure analysis of welding nut on the cover plate of automobile hydraulic torque converter

Wang, Xianwen; Ge, Yi; Zhang, Chaolei; Yang, Yong; Wang, Hailong

doi:10.1016/j.engfailanal.2021.105372

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…Wang Lei and colleagues addressed the recurrent failure of 330kV GIS circuit breakers in a factory by conducting disassembly and detailed examination of each component. Their investigation revealed that the primary cause of mechanism wear and inadequate sealing was impurity particles present in the oil [2]. Chen Weimin and team systematically categorized the criteria for concealed risks and frequent operational interruptions, based on observed oil leakage and recurring operational failures.…”

Section: Introductionmentioning

confidence: 99%

Research on frequent pressure leakage failure of hydraulic spring mechanism of HMB-8 circuit breaker

Pan,

Hu,

Qian

et al. 2024

Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023)

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Hydraulic spring mechanism is widely used in high pressure, ultra high pressure switch field. During the operation and maintenance of HMB-8 circuit breaker hydraulic spring mechanism, the hydraulic spring mechanism will be frequently pressed. This paper studies the mechanism of the hydraulic spring mechanism of circuit breaker frequently pressed and leaked fault in UHV equipment. Through theoretical analysis and experimental verification, the failure mechanism, including system characteristics and spring seal failure mechanism, is revealed. The accuracy of the mechanism study is verified by setting up a test model and conducting field tests. This study provides an important reference for the stable operation and maintenance of UHV equipment.

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Section: Introductionmentioning

confidence: 99%