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1.华北电力大学 电力机械装备先进制造与智能运维河北省工程研究中心,保定 071003
2.国网河北省电力有限公司 电力科学研究院,石家庄 050000
何玉灵,男,1984年生,福建龙岩人,博士,教授,博士研究生导师;主要研究方向为电力设备故障诊断与智能运维、复杂系统数学建模和数字孪生、信号测试分析与智能传感技术、新型机电设备先进设计与制造和综合能源系统规划与运行管理;E-mail:heyuling1@163.com。
收稿日期:2025-05-13,
纸质出版日期:2025-09-15
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何玉灵,庞子旺,代德瑞,等. 基于弹性压紧与改进轮槽的线路巡检机器人抗风性优化设计[J]. 机械强度,2025,47(9):205-212.
HE Yuling,PANG Ziwang,DAI Derui,et al. 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.
何玉灵,庞子旺,代德瑞,等. 基于弹性压紧与改进轮槽的线路巡检机器人抗风性优化设计[J]. 机械强度,2025,47(9):205-212. DOI: DOI:10.16579/j.issn.1001.9669.2025.09.020.
HE Yuling,PANG Ziwang,DAI Derui,et al. 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: DOI:10.16579/j.issn.1001.9669.2025.09.020.
针对风载荷作用下高空线路巡检机器人稳定性不足的问题,提出了新型弹性压紧机构与改进轮槽的优化策略,可有效提升其行走稳定性,研制了一款输配电线路巡检机器人,实现了飞行与行走双模态切换功能。首先,建立了机器人在风载荷下的动力学模型,推导了摆动衰减时间与压紧力、接触面积及摩擦因数之间的关系。其次,通过动力学仿真验证了两种优化策略在抑制摆动方面的性能优势。最后,通过室外风摆试验验证了结构改进效果。结果表明,弹性压紧机构能够有效增加压紧轮和线路接触面积,改进轮槽可提升行走轮摩擦因数,两者均显著缩短了机器人摆动衰减时间,提升了机器人在风载扰动环境下的巡检稳定性。为高空线路巡检机器人在复杂环境中的稳定运行提供了有效的技术支撑与工程实践依据。
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.
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