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10 kV不停电作业电动双头套筒操作杆的结构设计与性能优化研究

Structural Design and Performance Optimization of Electric Double-Ended Socket Wrench for 10 kV Uninterrupted Operation

  • 摘要: 针对10 kV配网不停电作业中螺栓紧固效率低、对准困难、劳动强度大的问题,文章提出一种电动双头套筒操作杆的集成解决方案。通过模块化结构设计,构建了由驱动手柄、绝缘杆与双头作业头组成的系统;采用有限元仿真方法,对绝缘结构进行电场优化并对传动部件实现轻量化设计。研制样机通过了45 kV/1 min工频耐压试验,泄漏电流低于10 μA,双头扭矩输出一致性偏差小于8%,质量降至3.2 kg。现场应用表明,其更换并沟线夹效率提升60%以上,显著提高了作业安全性与智能化水平。

     

    Abstract: To address the problems of low bolt-tightening efficiency, difficult alignment, and high labor intensity in 10 kV distribution network uninterrupted operation, this study proposes an integrated solution based on an electric double-ended socket operating rod. Based on a modular structural design, this study establishes a system consisting of a driving handle, an insulating rod, and a double-ended working head. Finite element simulation is employed to optimize the electric field distribution of the insulating structure and to achieve a lightweight design of the transmission components. The developed prototype passes the 45 kV/1 min power-frequency withstand voltage test. Its leakage current remains below 10 μA, the consistency deviation of the double-ended torque output is less than 8%, and the total mass is reduced to 3.2 kg. Field application results show that it increases the replacement efficiency of parallel groove clamps by more than 60%. It also significantly improves operational safety and the level of intelligent operation.

     

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