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波纹直管翻转式能量吸收装置的能量吸收特性研究

Study on energy absorption characteristics of the corrugated straight tube flip type energy absorption device.

作者信息

Zhang Jianzhuo, Zhao Fengnian, Guo Hao, Wan Chuanxu, Xiao Yonghui

机构信息

School of Mechanical Engineering, Liaoning Technical University, Fuxin, 123000, People's Republic of China.

School of Physics, Liaoning University, Shenyang, 110036, People's Republic of China.

出版信息

Sci Rep. 2025 Feb 19;15(1):6021. doi: 10.1038/s41598-025-90370-z.

DOI:10.1038/s41598-025-90370-z
PMID:39972031
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11840120/
Abstract

To rapidly dissipate impact energy during a rockburst and safeguard support equipment from damage, this study introduced a corrugated straight tube flip-type energy absorption device. The energy absorption characteristics of this device were analyzed through numerical simulation, and the theoretical formula for axial load was derived using an energy method. Based on the response surface design method, a predictive model for response values was established. The influence of structural parameters on these response values was analyzed, leading to the determination of optimal structural parameters in conjunction with the application frame type and response value optimization objectives. Numerical simulations and impact tests were conducted and compared. The optimal structural parameters determined were: basic circle radius of 80 mm, inner convex arc radius of 23 mm, thickness of 6.5 mm, and curling radius of 13 mm. The impact test results indicated that the initial peak value of the support reaction force was 2710.91 kN, which fell within the range of 1.2-1.5 times the working resistance. The average support reaction force was larger, at 3028.10 kN, with a maximum energy absorption of 349.89 kJ. Comparing these results with numerical simulations revealed an error rate of less than 10%, demonstrating high consistency between simulation and test outcomes. The impact test confirmed that the corrugated straight tube flip-type energy absorption device exhibited excellent energy absorption and anti-impact characteristics.

摘要

为了在岩爆过程中迅速耗散冲击能量并保护支护设备免受损坏，本研究引入了一种波纹管直管翻转式吸能装置。通过数值模拟分析了该装置的吸能特性，并采用能量法推导了轴向载荷的理论公式。基于响应面设计方法，建立了响应值的预测模型。分析了结构参数对这些响应值的影响，并结合应用框架类型和响应值优化目标确定了最优结构参数。进行了数值模拟和冲击试验并进行了比较。确定的最优结构参数为：基圆半径80mm，内凸圆弧半径23mm，厚度6.5mm，卷曲半径13mm。冲击试验结果表明，支护反力的初始峰值为2710.91kN，在工作阻力的1.2 - 1.5倍范围内。平均支护反力较大，为3028.10kN，最大吸能为349.89kJ。将这些结果与数值模拟结果进行比较，误差率小于10%，表明模拟结果与试验结果具有高度一致性。冲击试验证实，波纹管直管翻转式吸能装置具有优异的吸能和抗冲击特性。

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本文引用的文献

1
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes.波纹锥形管准静态压缩的有限元模拟
J Vis Exp. 2023 Jan 6(191). doi: 10.3791/64708.