Influence rules of geometric parameters on deformation of valve slices in valve-controlled adjustable damping shock absorber

Abstract

Purpose The purpose of this paper is to study the influence rules of geometric parameters on deformation of valve slices. Design/methodology/approach Based on the theory of flexural deformation of elastic thin slice, differential functions of deformation for both single and multi-slices are given and derived in detail. Furthermore, the effects of geometric dimensions on deformation are analyzed particularly by using Matlab/simulink. Findings The results indicated that the deformation decreases with the increment of fixed ring radius ra, slice thickness h, and its number n. Meanwhile, the deformation increases with a rise of slice radius rb, throttle position rk, the radius ratio λ1 and thickness ratio λ2 of slices. Originality/value This research can provide some theoretical supports for the parametric and optimal design of adjustable damping shock absorber.

Seismic reduction principle and response analysis of variable damping viscous damper system

“…It automatically adjusts the valve based on external excitation speed by setting a pressure difference regulating valve on the piston, thereby achieving the goal of adjusting the output damping force. Xie et al (2018) studied the influence rules of geometric parameters on the deformation of valve slices in valve-controlled adjustable damping shock absorber, so as to provide some theoretical supports for the parametric and optimal design of adjustable damping shock absorber. Kurino et al (2003) designed a new semi-active oil damper, which can change the number of damping holes by adjusting the controller placed internally, and then change the damping coefficients.…”