液压支架抗冲击吸能结构优化

IF 0.6 4区 工程技术 Q4 MECHANICS
Mechanika Pub Date : 2022-08-30 DOI:10.5755/j02.mech.32032
Qiang Zhang, Bao-Gui Li, Runxin Zhang
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引用次数: 0

摘要

岩爆是深部煤矿开采中的常见事故,降低岩爆风险是安全高效开采煤炭的必要条件。由于蜂窝结构具有良好的抗冲击性能,设计建议屋顶采用蜂窝结构。建立了液压支架的力学模型,研究了几何参数对蜂窝结构抗冲击性能的影响。最后,采用正交试验方法,以水工腿应力和顶板位移为评价指标,分析了几何参数对蜂窝结构抗冲击性能的影响和权重。本文为煤矿井下抗冲击液压支架的研制提供了一种新的设计思路,对保证煤矿安全具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimization of Anti-Impact Energy Absorption Structure of Hydraulic Support
Rock bursts are a frequent occurrence in deep coal mining, and reducing the risk of rock bursts is necessary for the safe and efficient mining of coal. As honeycomb structures have good impact resistance, the design suggests that a honeycomb structure is adopted in the roof. A mechanical model of the hydraulic support is established, and the influence of geometric parameters on the impact resistance of the honeycomb structure is studied. Finally, the orthogonal test method was used to analyze the influence and weight of the geometric parameters on the anti-impact performance of the honeycomb structure with hydraulic leg stress and roof displacement as the evaluation indexes. This paper provides a new design idea for the research and development of an impact resistance hydraulic support in the underground coal mine, which is significant in ensuring coal mine safety.
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来源期刊
Mechanika
Mechanika 物理-力学
CiteScore
1.30
自引率
0.00%
发文量
50
审稿时长
3 months
期刊介绍: The journal is publishing scientific papers dealing with the following problems: Mechanics of Solid Bodies; Mechanics of Fluids and Gases; Dynamics of Mechanical Systems; Design and Optimization of Mechanical Systems; Mechanical Technologies.
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