Wrapping type cable branch joint

By using wrap-wound cable branch connectors, problems such as messy cables in the cable trench and large space occupied by the branch box are solved, and flexible settings and good waterproof performance of cable branches are achieved. It is suitable for direct buried use without maintenance.

CN222691363UActive Publication Date: 2025-03-28江苏安靠智电股份有限公司
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Patent Information

Application Number
CN202420796527.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-03-28
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

When the existing cable branch box is installed directly above the cable trench, the cables in the cable trench are messy and difficult to distinguish. The branch box occupies a large space, wastes resources, is prone to corrosion and damage, affecting the normal power supply of the railway.

Method used

A wrap-wound cable branch joint is adopted, including a first branch, a second branch and a third branch, which is connected in a T-shaped shape. The first branch and the second branch are the same structure. The third branch is a plug. The two are wrapped around the wrap-wound tape. The conductor, the insulating layer, the semiconductor shield layer, the grounding ring and the outer protective layer are arranged in sequence. The grounding ring is embedded in the outer protective layer, and threaded holes are reserved.

Benefits of technology

It realizes flexible settings of cable branches, avoids bending of cables, has small size, good waterproof performance and weather resistance, can be buried directly without maintenance, and reserves loop set plugs.

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Abstract

The utility model relates to the technical field of cable branch joints, in particular to a wrapping type cable branch joint, which comprises a first branch, a second branch and a third branch, the first branch, the second branch and the third branch are in T-shaped connection, the first branch and the second branch have the same structure, and the third branch is a plug. A wrapping tape is wound on the first branch and the second branch, and each of the first branch and the second branch is sequentially provided with a conductor, an insulating layer, a semi-conductive shielding layer, a grounding ring and an outer protection layer from inside to outside; the end connecting pipe of the conductor, the end of the insulating layer and the end of the semi-conductive shielding layer are exposed, the grounding ring is embedded in the outer protection layer and arranged at the center intersection of the first branch, the second branch and the third branch, and threaded holes are reserved in the side walls of the three branches of the grounding ring respectively. The branching direction of the branch joint can be set to be Y-shaped or T-shaped according to a cable wiring mode, the cable is prefabricated in a factory, the wrapping joint is directly manufactured on site, cable bending is avoided, and the size is small.
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