Development of a Motion Mechanism for Transmission Line Sag Detection Device

本文针对现有输电线路弧垂检测装置存在的固定安装盲区与人工检测风险问题，开发自主移动式弧垂检测装置，提升检测精度与安全性。设计集成行走装置、压紧机构及控制系统的运动机构，通过机械结构优化解决多场景适应性难题，采用高精度非接触测量技术实现动态监测。所研制机构具备30˚爬坡能力、±2 mm定位精度及−20℃~50℃环境适应性，经实测可完成非接触动态测量，检测效率提升40%，安全风险降低80%。该移动式弧垂检测装置有效克服传统局限，为输电线路安全运维提供可靠技术方案，具有显著工程应用价值。This paper addresses the issues of fixed installation blind spots and the risks associated with manual detection in existing transmission line sag detection devices. It develops a self-moving arc sag detection device to improve detection accuracy and safety. The design integrates a walking mechanism, pressing mechanism, and control system, optimizing the mechanical structure to solve the problem of multi-scenario adaptability. High-precision non-contact measurement technology is used to achieve dynamic monitoring. The developed mechanism is capable of climbing slopes up to 30˚, with a positioning accuracy of ±2 mm and environmental adaptability ranging from −20˚C to 50˚C. The device has been tested and shown to perform non-contact dynamic measurements, improving detection efficiency by 40% and reducing safety risks by 80%. This mobile arc sag detection device effectively overcomes the limitations of traditional systems and provides a reliable technical solution for the safe operation and maintenance of transmission lines, with significant engineering application value.