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Fluid-solid coupling characteristics analysis for tripod sliding universal joints

机译：三脚架滑动万向节的流体固体耦合特性分析

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摘要

Fluid-solid coupling theory is introduced into tripod sliding universal joint design. The geometric models of the tripod sliding universal joint and lubricant film are established respectively and meshed. Fluid-solid coupling analyses of tripod sliding universal joints in unidirectional and bidirectional scenarios are performed to investigate sleeve and lubricant film coupling as well as sliding pin and lubricant film coupling under various differential pressures and frequencies. In the condition of unidirectional and bidirectional coupling, sleeve and sliding pin deformation and stress increase gradually with differential pressure and frequency. Under various differential pressures and frequencies, tripod sliding universal joint bidirectional coupling deformation and stress are greater than those of unidirectional coupling. The theory of fluid-solid coupling is combined with the tripod sliding universal joint for the first time in this paper. The fluid-solid coupling analysis results are of great significance and benefit to the design, application and marketing of tripod sliding universal joints.
机译：将流体固体耦合理论引入三脚架滑动万向节设计。分别建立三脚架滑动万向节和润滑膜的几何模型并啮合。在单向和双向场景中的三脚架滑动万向节的流体固体耦合分析是在各种差压和频率下研究套筒和润滑膜耦合以及滑动销和润滑膜耦合。在单向和双向耦合的条件下，套筒和滑动销变形和应力随压差和频率逐渐增加。在各种差压和频率下，三脚架滑动通用接合双向耦合变形和应力大于单向耦合。本文第一次与三脚​​架滑动万向节相结合的流体固耦合理论。流体固体耦合分析结果具有重要意义和效益于三脚架滑动万向节的设计，应用和销售。

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