磨损水润滑橡胶轴承承载特性研究

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Abstract Water-lubricated rubber bearings are widely used in power propulsion shafts of pumps, power plants, ships, and submarines because of their non-pollution, vibration absorption, and insensitivity to impact.However, due to their long-term work in harsh river and ocean environment, impurities in lubricating media lead to wear failure of water-lubricated rubber bearings, which affects their load-bearing characteristics.In order to analyze the load-bearing characteristics of water-lubricated rubber bearings after wear, a lubrication models of six-groove normal rubber bearings and three wear-type bearings were established by means of the Reynolds equation and deformation equation of rubber lining.The lubrication models were solved numerically by a finite difference method and an over-relaxation iteration method.Based on the numerical model, the load-bearing characteristics of normal and wear bearings were compared and analyzed.The results show that grooves have a great influence on the load-bearing characteristics of rubber bearings.Among the three kinds of wear rubber bearings, uniform wear has the greatest influence on the lubrication load-bearing characteristics, followed by conical wear and local wear.The results have reference value for the design of load-bearing characteristics and the construction of wear monitoring indexes of water-lubricated rubber bearings.

Key words： water-lubricated rubber bearings wear load-bearing characteristics reynolds equation

Received: 06 August 2019 Published: 15 December 2020

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	Articles by authors
	XIE Jingsong1
	YANG Fei2
	ZI Yanyang3

Cite this article:

XIE Jingsong1,YANG Fei2,ZI Yanyang3. Load-bearing characteristics of wear water lubricated rubber bearings[J]. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(24): 225-231.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2020/V39/I24/225

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