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Volume 9
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10.3390/vibration9030045
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Article

Experimental Study on Factors Affecting the Slippage of Vibration Dampers on Power Transmission Lines Under Aeolian Vibration

by
Longjie Wu
1,
Tianhang Jiang
1,
Hanjie Yuan
1,
Yuxiang Zhu
1,
Jie Yang
2,
Yana Wang
2,
Zhen Li
2,
Yisheng Zhang
3 and
Yilin Wang
3,*
1
Zhaoqing Power Supply Bureau, Guangdong Power Grid Co., Ltd., Zhaoqing 526000, China
2
Chengdu Electric Power Fittings Co., Ltd., Chengdu 610100, China
3
State Key Laboratory of Material Forming and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
*
Author to whom correspondence should be addressed.
Vibration 2026, 9(3), 45; https://doi.org/10.3390/vibration9030045
Submission received: 20 April 2026 / Revised: 6 July 2026 / Accepted: 9 July 2026 / Published: 22 July 2026
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Abstract

The micro-vibration of overhead transmission lines often leads to conductor fatigue and damage to hardware, and the reliability of the connection of vibration dampers is of vital importance. To prevent loosening and detachment during operation, this study investigated the slippage mechanism of vibration dampers’ wire clamps under dynamic loads. The static friction coefficient was measured through the pull-off force experiment, and the dynamic sliding characteristics of the two types of clamp covers (pressure block type and hinge type) under different vibration conditions were systematically tested. The experiments showed that vibration significantly reduces the dynamic friction force, resulting in a “friction reduction effect”. The pressure block type structure is prone to slip under low tightening torque, while the hinge type structure has excellent anti-loosening performance due to its lever amplification design. The study clarified that the tightening torque, vibration parameters, and structural form are the key influencing factors, providing a basis for the optimization design and installation of anti-vibration dampers.
Keywords: transmission line; stockbridge damper; bolt connection; vibration friction; vibration slip transmission line; stockbridge damper; bolt connection; vibration friction; vibration slip

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MDPI and ACS Style

Wu, L.; Jiang, T.; Yuan, H.; Zhu, Y.; Yang, J.; Wang, Y.; Li, Z.; Zhang, Y.; Wang, Y. Experimental Study on Factors Affecting the Slippage of Vibration Dampers on Power Transmission Lines Under Aeolian Vibration. Vibration 2026, 9, 45. https://doi.org/10.3390/vibration9030045

AMA Style

Wu L, Jiang T, Yuan H, Zhu Y, Yang J, Wang Y, Li Z, Zhang Y, Wang Y. Experimental Study on Factors Affecting the Slippage of Vibration Dampers on Power Transmission Lines Under Aeolian Vibration. Vibration. 2026; 9(3):45. https://doi.org/10.3390/vibration9030045

Chicago/Turabian Style

Wu, Longjie, Tianhang Jiang, Hanjie Yuan, Yuxiang Zhu, Jie Yang, Yana Wang, Zhen Li, Yisheng Zhang, and Yilin Wang. 2026. "Experimental Study on Factors Affecting the Slippage of Vibration Dampers on Power Transmission Lines Under Aeolian Vibration" Vibration 9, no. 3: 45. https://doi.org/10.3390/vibration9030045

APA Style

Wu, L., Jiang, T., Yuan, H., Zhu, Y., Yang, J., Wang, Y., Li, Z., Zhang, Y., & Wang, Y. (2026). Experimental Study on Factors Affecting the Slippage of Vibration Dampers on Power Transmission Lines Under Aeolian Vibration. Vibration, 9(3), 45. https://doi.org/10.3390/vibration9030045

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