Abstract
In order to improve the friction performance of the valve plate and improve the oil film bearing capacity of the valve plate, the influence of the fluid-solid coupling on the performance of the oil film of the valve plate was studied. The lubrication characteristics of the surface texture of the valve plate was studied systematically based on the theory, simulation and coupling effects. In this paper, the geometrical model of hydraulic drive valve plate is established, and the thickness and pressure equation of hydraulic film are deduced theoretically. The Reynolds equation is solved by the finite difference methods. The film thickness and pressure distribution under fluid-solid coupling of the port plate pair are obtained, and the correctness of the theory and programming is analyzed.
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