New type of overrunning clutch based on curved-plate compression-torsion metamaterial

IF 3.8 2区工程技术 Q1 ENGINEERING, MECHANICAL

Acta Mechanica Sinica Pub Date : 2024-06-12 DOI:10.1007/s10409-024-23608-x

Yanbin Wang (, ), Haifeng Ou (, ), Lingling Hu (, )

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引用次数: 0

Abstract

Overrunning clutches are unidirectional drive mechanisms that are widely used in transmission systems. However, existing overrunning clutches have complex structures, require high preparation accuracy, and fail after a certain degree of wear. To address these issues, we propose a new type of overrunning clutch consisting of a conical structure and novel compression-torsion conversion (CTC) metamaterial with curved plates. Theoretical calculations are employed to guide the material distribution and ensure the deformation coordination of the curved-plate CTC metamaterial for greater ultimate torque. The transmission mechanism of the proposed overrunning clutch is derived to guide the parameter selection of the CTC metamaterial and the conical structure. Experiments and finite element simulations reveal that the curved-plate CTC metamaterial features excellent CTC efficiency, flexibility, and transverse stiffness, which is conducive reducing the resistance of the overrunning state and ensures stability during operation. The unidirectional transmission system constructed with the new overrunning clutch shows reliable performances under working and overrunning states. The constructed overrunning clutch provides an effective one-way transmission method. The clutch with simple construction and self-compensated ability for wear exhibits great potential in miniaturized and lightweight equipment or robots.

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基于曲面板压扭超材料的新型超越离合器

超越离合器是一种单向传动机构，广泛应用于传动系统中。然而，现有的超越离合器结构复杂，对制备精度要求高，并且在磨损到一定程度后就会失效。为了解决这些问题，我们提出了一种新型超越离合器，它由锥形结构和带有曲面板的新型压缩扭转转换（CTC）超材料组成。我们利用理论计算来指导材料分布，并确保曲面板 CTC 超材料的变形协调，以获得更大的极限扭矩。推导出拟议超越离合器的传动机制，为 CTC 超材料和锥形结构的参数选择提供指导。实验和有限元模拟显示，曲面板 CTC 超材料具有出色的 CTC 效率、柔性和横向刚度，有利于降低超越状态的阻力，并确保运行过程中的稳定性。利用新型超越离合器构建的单向传动系统在工作和超越状态下均表现出可靠的性能。所构建的超越离合器提供了一种有效的单向传动方式。该离合器结构简单，具有磨损自补偿能力，在小型轻量化设备或机器人中大有可为。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Acta Mechanica Sinica 物理-工程：机械

CiteScore

5.60

自引率

20.00%

发文量

1807

审稿时长

4 months

期刊介绍： Acta Mechanica Sinica, sponsored by the Chinese Society of Theoretical and Applied Mechanics, promotes scientific exchanges and collaboration among Chinese scientists in China and abroad. It features high quality, original papers in all aspects of mechanics and mechanical sciences. Not only does the journal explore the classical subdivisions of theoretical and applied mechanics such as solid and fluid mechanics, it also explores recently emerging areas such as biomechanics and nanomechanics. In addition, the journal investigates analytical, computational, and experimental progresses in all areas of mechanics. Lastly, it encourages research in interdisciplinary subjects, serving as a bridge between mechanics and other branches of engineering and the sciences. In addition to research papers, Acta Mechanica Sinica publishes reviews, notes, experimental techniques, scientific events, and other special topics of interest. Related subjects » Classical Continuum Physics - Computational Intelligence and Complexity - Mechanics