板块倾角对折棱管防冲支护装置吸能特性的影响

doi:10.16265/j.cnki.issn1003-3033.2017.01.022

中国安全科学学报 ›› 2017, Vol. 27 ›› Issue (1): 122-127.doi: 10.16265/j.cnki.issn1003-3033.2017.01.022

板块倾角对折棱管防冲支护装置吸能特性的影响

马箫¹, 潘一山¹ 教授, 张建卓² 教授, 肖永惠¹

1 辽宁工程技术大学力学与工程学院,辽宁阜新 123000
2 辽宁工程技术大学机械工程学院,辽宁阜新 123000

收稿日期:2016-10-11 修回日期:2016-12-01
作者简介:马箫 (1987—),女,辽宁辽阳人,博士研究生,研究方向为矿山灾害力学。E-mail:540721373@qq.com。
基金资助:
国家重点研发计划(2016YFC0801403);国家自然科学基金面上项目资助(51574140);国家自然科学基金青年基金资助(51404129)。

Influence of plate inclination angle on energy absorption characteristics of pre-folded edge tube anti-scour and supporting device

MA Xiao, PAN Yishan, ZHANG Jianzhuo, XIAO Yonghui

1 College of Mechanics and Engineering, Liaoning Technical University , Fuxin Liaoning 123000, China
2 College of Mechanical Engineering, Liaoning Technical University, Fuxin Liaoning 123000, China

Received:2016-10-11 Revised:2016-12-01

摘要/Abstract

摘要： 鉴于煤矿支护设备抗冲击能力差、在冲击地压中易遭受破坏而失效,开发一种结构简单且吸能性能良好的防冲支护装置。对普通方管轴向压缩过程完成数值模拟后,设计折棱管防冲支护装置,并重点研究其板块倾角对其吸能效果的影响。首先,通过有限元数值模拟分析,研究不同板块倾角的防冲支护装置在冲击下的压溃全过程,分析板块倾角对装置吸能效果的影响;其次,将折棱管防冲支护装置与普通方管做吸能性能对比,综合评价折棱管防冲支护装置的优势;最后,结合室内试验,验证折棱管防冲支护装置的最佳板块倾角。结果表明,板块倾角为156°的折棱管防冲支护装置吸能性能最佳。

关键词: 冲击地压, 防冲支护装置, 吸能结构, 吸能性能, 板块倾角

Abstract: In view of poor impart resistance ability and failure due to damage in rockburst of the anti-scour and supporting equipment, the paper was aimed at developing a new kind of anti-scour and supporting device with great energy absorption performance .After numerical simulation of ordinary square tube axial compression, a pre-folded edge tube anti-scour and supporting device was designed and its energy absorption performance was studied by carrying out a finite element simulation. The effect of the plate inclination angle on the performance was studied. An energy absorption performance comparison was made between the pre-folded edge tube and the square tube. Finally, the best plate inclination angle of pre-folded edge tube anti-scour and supporting device was verified by carrying laboratory experiments. The results show that the pre-folded edge tube anti-scour and supporting device has the best energy absorption perormance.

Key words: rockburst, anti-scour and supporting device, energy absorption structure, energy absorption performance, plate inclination angle

中图分类号:

X924.3
TD353

马箫, 潘一山, 张建卓, 肖永惠. 板块倾角对折棱管防冲支护装置吸能特性的影响[J]. 中国安全科学学报, 2017, 27(1): 122-127.

MA Xiao, PAN Yishan, ZHANG Jianzhuo, XIAO Yonghui. Influence of plate inclination angle on energy absorption characteristics of pre-folded edge tube anti-scour and supporting device[J]. China Safety Science Journal, 2017, 27(1): 122-127.

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板块倾角对折棱管防冲支护装置吸能特性的影响

Influence of plate inclination angle on energy absorption characteristics of pre-folded edge tube anti-scour and supporting device

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