本文選題：液壓缸　切入點：防塵圈　出處：《液壓與氣動》2017年07期

【摘要】：針對液壓缸常用防塵圈的類型和應(yīng)用現(xiàn)狀進行分析總結(jié)。利用Mooney-Rivlin理論建立組合防塵圈和聚氨酯類防塵圈的有限元模型,分析防塵圈壓縮后的變形情況及應(yīng)力分布情況。分別在沙塵、泥沙、低溫環(huán)境等工況對各類防塵圈的防塵效果進行試驗研究,通過試驗分解檢查油缸內(nèi)各元件狀態(tài),得出兩種防塵圈在不同工況下的防塵效果試驗數(shù)據(jù),試驗結(jié)果與有限元分析結(jié)果一致,對后續(xù)油缸設(shè)計過程中的防塵圈選型設(shè)計具有指導(dǎo)意義。
[Abstract]:Based on the analysis and summary of the types and application status of the commonly used dust-proof ring in hydraulic cylinder, the finite element model of combined dust-proof ring and polyurethane dust-proof ring is established by using Mooney-Rivlin theory. This paper analyzes the deformation and stress distribution of the dust-proof ring after compression. The dust-proof effect of each kind of dust-proof ring is studied under the working conditions of sand dust, silt and low temperature environment respectively, and the state of the components in the cylinder is inspected by experimental decomposition. The experimental data of dust-proof effect of two kinds of dustproof rings under different working conditions are obtained. The experimental results are in agreement with the results of finite element analysis, which is of guiding significance for the selection and design of dust-proof rings in the design process of the follow-up cylinder.
【作者單位】： 北京航天發(fā)射技術(shù)研究所;
【分類號】：TH137.51

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