| 工业安全帽的抗冲击性能 |
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| 引用本文： | 李夕兵,杜晶,洪亮.工业安全帽的抗冲击性能[J].中南大学学报(自然科学版),2011,42(6). |
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| 作者姓名： | 李夕兵 杜晶 洪亮 |
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| 作者单位： | 中南大学资源与安全工程学院,湖南长沙,410083 |
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| 基金项目： | 国家科技支撑计划项目，国家自然科学基金资助项目 |
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| 摘 要： | 为考察不同使用环境和不同材质安全帽的抗冲击性能，采用落锤试验对几种常用安全帽进行落锤冲击实验。通过自制头模和实测头模上的应变信号，对照观察不同能量下的破坏情况得出：安全帽的抗冲击能力主要取决于安全帽的材料和构造，其中帽箍具有不可忽视的防护功能；同一材质的安全帽承受冲击能量是有限的，当冲击能量超过55 J时，安全帽将会失去保护作用；经过2～3 a的使用而老化的安全帽的冲击强度明显下降。
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| 关 键 词： | 安全帽 抗冲击性能 落锤试验 |
Investigation on impact properties of industrial safety helmets |
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| LI Xi-bing,DU Jing,HONG Liang.Investigation on impact properties of industrial safety helmets[J].Journal of Central South University:Science and Technology,2011,42(6). |
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| Authors: | LI Xi-bing DU Jing HONG Liang |
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| Institution: | LI Xi-bing,DU Jing,HONG Liang (School of Resources and Safety Engineering,Central South University,Changsha 410083,China) |
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| Abstract: | In order to study the impact performances of different helmets used in different environments,the most commonly used helmets were tested by drop hammer impact system.The strain signals measured from strain gouges glued on self-made head model were compared with the corresponding damage situation of the helmets.The results show that the impact performances of helmets depend mainly on their structure and materials,and the hoop of helmet has a good protective function.For the same brand of helmets,there is a l... |
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| Keywords: | safety helmets impact properties drop hammer test |
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