Railway overhead line system magnetic ground wire device

The magnetic grounding wire device enables the detachable connection between the insulating rod and the grounding hook, solving the problems of cumbersome operation and low efficiency of existing grounding devices, and improving the efficiency and safety of railway catenary maintenance.

CN224781802UActive Publication Date: 2026-09-22中国铁路北京局集团有限公司天津供电段
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Patent Information

Application Number
CN202522401249.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-12
Publication Date
2026-09-22
Estimated Expiration
2035-11-12

AI Technical Summary

Technical Problem

Existing grounding devices are cumbersome to operate, inefficient, and require multiple insulating rods, which pose risks of wear and loose connections, affecting operational safety and efficiency.

Method used

A magnetic grounding device is adopted, in which the grounding hook is magnetically attracted by an electromagnet when energized. A remote control device is used to achieve a detachable connection between the insulating rod and the grounding hook. The integrated control circuit and power supply device simplify the operation process and improve work efficiency.

Benefits of technology

It reduces the physical burden on operators, improves work efficiency, ensures the reliability and safety of connections, reduces equipment configuration costs, and is suitable for the rapid installation and removal of grounding wires in railway catenary systems.

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Abstract

The utility model relates to railway contact net maintenance equipment technical field, concretely relates to a railway contact net magnetic attraction type ground wire device, aims at solving the problem that the existing grounding device is complicated to operate, is inefficient and needs to carry many insulating poles. The utility model includes: insulating pole is used for supporting electromagnet and is sent to the working position, ground hook is hung in contact net conductor and is connected ground wire, electromagnet and with the control device of electromagnet electricity connection, wherein, control device is used for controlling the on-off electricity of electromagnet, to make electromagnet magnetism attract ground hook when electrification, thereby establishes the separable connection between insulating pole and ground hook. The utility model allows using single insulating pole to complete the installation and removal of multiple groups of ground wire in turn, significantly improves the operation efficiency, reduces the labor intensity, and the simple structure is safe and reliable.
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