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| 7×7交互捻钢丝绳拉伸特性的研究 |
| Study on Tensile Characteristics of 7×7 Interactive Twist Steel Wire Rope |
| Received:November 05, 2021 Revised:November 05, 2021 |
| DOI：10.12137/j.issn.2095-5448.2022.08.0378 |
| 中文关键词: 钢丝绳 拉伸 捻距 应力 有限元 破断力 |
| 英文关键词: steel wire rope tensile twist pitch stress finite element breaking force |
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| 中文摘要: |
| 通过有限元模拟与力学试验相结合的方法分析了4种不同捻距配置的7×7 Φ3.0 mm交互捻钢丝绳的拉伸特性。结果表明，在轴向拉伸载荷下，捻距对钢丝绳的应力分布有很大的影响，捻距越小，应力越大。试验结果与模拟结果的一致性说明所选用的计算模型是合理的，同时得到了提高钢丝绳破断力的有效方法，可为下一步钢丝绳结构设计研究提供理论指导。 |
| 英文摘要: |
| Through the combination of finite element simulation and mechanical test，the tensile characteristics of four kinds of 7×7 Φ3.0 mm interactive twist steel wire ropes with different twist pitch configuration were analyzed.The results showed that under axial tensile load，the twist pitch had a great influence on the stress distribution of the steel wire rope，when the twist pitch was smaller，the stress was larger.The consistency between the test results and the simulation results showed that the selected calculation model was reasonable，and an effective method to improve the breaking force of steel wire rope was obtained，which could provide theoretical guidance for the next research on the structure design of steel wire rope. |
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