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Wind-resistance performance optimization design of a line inspection robot based on elastic pressing and improved wheel grooves
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Yuling HE1, Ziwang PANG1, Derui DAI1, Zhenhua LIU1, Yufeng CHEN1, Hai ZHENG1, Yanpeng JI2
Journal of Mechanical Strength | 2025, 47(9) : 205 - 212
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Journal of Mechanical Strength | 2025, 47(9): 205-212
Wind-resistance performance optimization design of a line inspection robot based on elastic pressing and improved wheel grooves
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Yuling HE1, Ziwang PANG1, Derui DAI1, Zhenhua LIU1, Yufeng CHEN1, Hai ZHENG1, Yanpeng JI2
Affiliations
  • 1.Hebei Engineering Research Center for Advanced Manufacturing & Intelligent Operation and Maintenance of Electric Power Machinery, North China Electric Power University, Baoding 071003, China
  • 2.Electric Power Research Institute, State Grid Hebei Electric Power Co., Ltd., Shijiazhuang 050000, China
Published: 2025-09-15 doi: 10.16579/j.issn.1001.9669.2025.09.020
Outline
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To address the insufficient stability of high-altitude line inspection robots under wind loads, this study proposes optimization strategies involving a novel elastic pressing mechanism and an improved wheel groove, which can effectively enhance their walking stability. A power transmission and distribution line inspection robot with dual-mode switching (flight and walking) capabilities was developed. Firstly, a dynamic model of the robot under wind loads was established, and the relationship between the swing decay time and clamping force, contact area, and friction coefficient was derived. Secondly,dynamic simulations were conducted to verify the performance advantages of the two optimization strategies in suppressing swings. Finally, outdoor wind swing tests were performed to validate the effect of structural improvements. The results show that the elastic pressing mechanism can effectively increase the contact area between the pressing wheel and the line, and the improved wheel groove can enhance the friction coefficient of the walking wheel; both significantly shorten the robot's swing decay time and improve its inspection stability in wind load disturbance environments. The effective technical support and engineering practice basis for the stable operation of high-altitude line inspection robots in complex environments were provided.

Line inspection robot  /  Wind load  /  Elastic pressing mechanism  /  Improved wheel groove  /  Oscillation decay time
Yuling HE, Ziwang PANG, Derui DAI, Zhenhua LIU, Yufeng CHEN, Hai ZHENG, Yanpeng JI. Wind-resistance performance optimization design of a line inspection robot based on elastic pressing and improved wheel grooves[J]. Journal of Mechanical Strength, 2025 , 47 (9) : 205 -212 . DOI: 10.16579/j.issn.1001.9669.2025.09.020
Funding
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  • National Natural Science Foundation of China(52177042)
  • Chinese Fundamental Research Funds for the Central Universities(2023MS128)
  • Top Youth Talent Support Program of Hebei Province([2018]-27)
  • High Level Talent Support Program of Hebei Province(B20231006)
  • Science and Technology Project Fund of State Grid Hebei Electric Power Co., Ltd.(kj2024-030)
Appendix
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Year 2025 volume 47 Issue 9
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74
36
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.09.020
  • Receive Date：2025-05-13
  • Online Date：2026-03-20
  • Published：2025-09-15
Article Data
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History
  • Received：2025-05-13
Funding
National Natural Science Foundation of China(52177042)
Chinese Fundamental Research Funds for the Central Universities(2023MS128)
Top Youth Talent Support Program of Hebei Province([2018]-27)
High Level Talent Support Program of Hebei Province(B20231006)
Science and Technology Project Fund of State Grid Hebei Electric Power Co., Ltd.(kj2024-030)
Affiliations
    1.Hebei Engineering Research Center for Advanced Manufacturing & Intelligent Operation and Maintenance of Electric Power Machinery, North China Electric Power University, Baoding 071003, China
    2.Electric Power Research Institute, State Grid Hebei Electric Power Co., Ltd., Shijiazhuang 050000, China

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DAI Derui, E-mail：
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