A locomotive hollow ring-shaped grounding resistor and a manufacturing method thereof

CN113963878BActive Publication Date: 2025-02-18SHIDAI ELECTRIC FACTORY ZHUZHOU ELECTRIC LOCOMOTIVES INST MIN OF RAILWAYS
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Patent Information

Application Number
CN202010696963.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-07-20
Publication Date
2025-02-18
Estimated Expiration
2040-07-20

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Abstract

A locomotive hollow ring-shaped grounding resistor and a manufacturing method thereof, the locomotive hollow ring-shaped grounding resistor comprises a resistor and a resistor matrix, the resistor is attached to the outer surface of the resistor matrix; the resistor is a hollow ring-shaped structure, the resistor matrix is ​​a cylinder made of metal material, and the resistor with a hollow ring-shaped structure is tightly attached to a hollow metal cylinder-shaped resistor matrix of the same structural shape, forming a locomotive hollow ring-shaped grounding resistor with a composite structure; the manufacturing method is to first make a metal cylinder, then compound an insulating layer on the metal cylinder, and then compound a resistor layer on the insulating layer, thereby forming a locomotive hollow ring-shaped grounding resistor with a metal cylinder as the matrix. The present invention greatly reduces the weight of the entire locomotive hollow ring-shaped grounding resistor by hollowing the resistor.
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Citation Information

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