Flexible stretchable grounding device

By using a flexible and stretchable grounding device, the problem of the non-stretchable yellow-green grounding wire is solved by using braided wiring tape and a coupling structure. This achieves a stable connection and safe grounding between the equipment and the ship's hull, avoids the risk of disconnection, and has conductive continuity and corrosion resistance.

CN120637919BActive Publication Date: 2026-07-03SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD
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Patent Information

Application Number
CN202510996660.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-18
Publication Date
2026-07-03
Estimated Expiration
2045-07-18

AI Technical Summary

Technical Problem

The existing yellow-green grounding wires are not stretchable and are prone to breaking off from the equipment body or ship structure after long-term use, posing a safety hazard and potentially causing safety accidents.

Method used

A flexible and stretchable grounding device was designed. It allows for a certain displacement through a braided wiring strip and a coupling structure. After grounding is completed, the grounding state can be flexibly canceled through a quick-release structure. It has conductivity, tensile strength and corrosion resistance.

Benefits of technology

This avoids disconnection between the yellow-green grounding wire and the equipment body or ship structure, ensuring electrical continuity and safety, while also improving the flexibility and corrosion resistance of the device.

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Abstract

A flexible, stretchable grounding device, belonging to the field of marine technology, includes a grounding structure with connecting shafts at both ends. The grounding structure comprises two sleeves, with a braided wiring strip placed between them. Wire ends are fixedly installed at both ends of the braided wiring strip, and a fixing pad is fixedly installed inside the sleeves. The connecting shafts are fixed between the equipment body and the ship structure using bolts and tightened. Since the sleeves are made of multiple single-wire braids, they have a certain degree of tensile strength, allowing for some displacement when connecting the equipment body and the ship structure. This avoids the possibility of the yellow-green grounding wire breaking off from the equipment body or ship structure without requiring sufficient displacement margin. Furthermore, its surface is coated with a tin-zinc anti-corrosion coating, ensuring conductivity, tensile strength, and good corrosion resistance.
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