高空坠落防护用尼龙长护手绳的冲击性能

IF 2.2 4区 工程技术 Q1 MATERIALS SCIENCE, TEXTILES
Zhongxian Hu, Guifang He, Xuming Zhang, T. Huang, Hongxia Li, Yuhai Zhang, Dan Xie, Xiuzhuang Song, Xin Ning, Fanggang Ning
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引用次数: 15

摘要

针对现有绳索落绳装置只能检测冲击力而不能同步检测冲击位移的问题,本文介绍了一种大范围高精度位移传感器,并构造了绳索冲击力位移检测装置。以高空作业和攀岩中常用的高空坠落防护用尼龙长手套绳索为研究对象,系统研究了绳索在一次和多次下落时的冲击响应行为,并对其冲击力和冲击位移进行了讨论。此外,还讨论了绳索弹性模量的演变,为抗冲击绳索结构的设计和绳索的冲击防护提供了理论支持。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Impact behavior of nylon kernmantle ropes for high-altitude fall protection
Aiming at the problem that the existing rope falling device can only detect the impact force and cannot synchronously detect the impact displacement, this paper introduces a large-range high-precision displacement sensor and constructs a rope impact force-displacement detection device. Taking the nylon kernmantle rope for high-altitude fall protection commonly used in aerial work and rock climbing as the research object, the impact response behavior of the rope when drop mass is dropped once and repeatedly is systematically studied, and the impact force and impact displacement are discussed. Further, the evolution of the elastic modulus of the rope is discussed and this could provide theoretical support for the design of the impact-resistant rope structure and the rope impact protection.
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来源期刊
Journal of Engineered Fibers and Fabrics
Journal of Engineered Fibers and Fabrics 工程技术-材料科学:纺织
CiteScore
5.00
自引率
6.90%
发文量
41
审稿时长
4 months
期刊介绍: Journal of Engineered Fibers and Fabrics is a peer-reviewed, open access journal which aims to facilitate the rapid and wide dissemination of research in the engineering of textiles, clothing and fiber based structures.
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