Wear Reliability and Sensitivity Analysis of the Chain Plate in the Leaf Chain

Wen Sun; Tao Ren; Wei Zeng; Xiaoqing Kang

doi:10.16578/j.issn.1004.2539.2021.11.020

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Wear Reliability and Sensitivity Analysis of the Chain Plate in the Leaf Chain

Test·Analysis | 更新时间：2022-11-10

- Wear Reliability and Sensitivity Analysis of the Chain Plate in the Leaf Chain
- Journal of Mechanical Transmission Vol. 45, Issue 11, Pages: 128-133(2021)
- 作者机构：
  
  1.西安石油大学机械工程学院，陕西西安 710065
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.11.020
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孙文,任涛,曾威等.板式链条链板磨损可靠性及灵敏度分析[J].机械传动,2021,45(11):128-133.

Sun Wen,Ren Tao,Zeng Wei,et al.Wear Reliability and Sensitivity Analysis of the Chain Plate in the Leaf Chain[J].Journal of Mechanical Transmission,2021,45(11):128-133.
孙文,任涛,曾威等.板式链条链板磨损可靠性及灵敏度分析[J].机械传动,2021,45(11):128-133. DOI： 10.16578/j.issn.1004.2539.2021.11.020.

Sun Wen,Ren Tao,Zeng Wei,et al.Wear Reliability and Sensitivity Analysis of the Chain Plate in the Leaf Chain[J].Journal of Mechanical Transmission,2021,45(11):128-133. DOI： 10.16578/j.issn.1004.2539.2021.11.020.

摘要

链条传动在工程领域中应用广泛。链条中的链板磨损失效会导致疲劳强度减小、寿命降低等，链板磨损可靠性分析是非常有必要的。基于Archard模型，建立了链板磨损深度的可靠性计算模型，提出了链板磨损可靠性及灵敏度分析方法，进行了板式链条和槽轮运动机构中链板磨损可靠性的实例分析。结果表明，不同随机变量的分布参数对失效概率的影响程度不同。滑动距离对链板失效概率影响最大，允许磨损量、材料硬度和接触应力对链板失效概率影响较大，磨损系数对链板失效概率影响相对较小。允许磨损量的均值和材料硬度的均值对链板失效概率起负面作用，其他分布参数对链板失效概率起正面作用。

Abstract

Chain drive has wide applications in engineering field. The wear failure of chain plate in the chain will lead to the decrease of fatigue strength and life，so it is important to analyze the wear reliability of the chain plate. Based on the Archard model，the reliability calculation model of the wear depth of the chain plate is established，the wear reliability and sensitivity analysis method of the chain plate is proposed，and the case analysis of the wear reliability of the chain plate in the leaf chain motion mechanism is carried out. The results show that distributed parameters of different random variables have different influence on failure probability. The sliding distance has the greatest influence on the failure probability of the chain plate. The wear allowance，material hardness and contact stress have great influence on the failure probability of the chain plate，and the wear coefficient has relatively little effect on the failure probability of the chain plate. The mean of the wear allowance and material hardness have negative effect on the failure probability of the chain plate，but other distributed parameters have positive effect on the failure probability of the chain plate.

关键词

链条磨损可靠性Archard模型

Keywords

ChainWearReliabilityArchard model

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