A totally enclosed railway traction power cable sheath protector

Through a fully enclosed structure and a real-time monitoring and adjustment mechanism, the performance degradation problem of traditional cable sheath protectors in extreme environments has been solved, achieving efficient cable protection and improved reliability of internal components.

CN224520592UActive Publication Date: 2026-07-17BAODING HELIDA CABLE ACCESSORIES CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BAODING HELIDA CABLE ACCESSORIES CO LTD
Filing Date
2025-07-23
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional cable sheath protectors degrade in performance under extreme cold and high humidity salt spray conditions, failing to effectively protect cables, and their internal electronic components are also affected.

Method used

It adopts a fully enclosed structure, including a sealed box, a nitrogen delivery system, and sensors. It utilizes multi-layer materials (nano-silica explosion-proof film, ceramic fiber heat insulation layer, and stainless steel plate) and a weather-resistant polyurethane coating, combined with real-time monitoring and automatic adjustment mechanisms to ensure airtightness and environmental stability.

Benefits of technology

Maintaining efficient protection in extreme environments reduces the probability of failure, extends service life, lowers maintenance costs, and improves system stability and reliability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224520592U_ABST
    Figure CN224520592U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of full-closed railway traction power supply cable sheath protector, including nitrogen conveyor and multiple sealed boxes, four cable sheath protector bodies are fixed with equal intervals in the sealed box, the lower end side of the sealed box is connected with joint, the nitrogen conveyor is connected in the one end of joint by nitrogen conveying pipe. The utility model is adjusted by effective protection and real-time monitoring, not only have good explosion-proof and heat insulation performance, but also can enhance the structural strength of sealed box, further improve its reliability, full-closed railway traction power supply cable sheath protector can also reduce the damage of external factors to the internal elements of protector, prolong its service life, reduce maintenance cost and replacement frequency, by nitrogen conveyor automatic adjustment, ensure that protector is always in the best working condition, real-time monitoring and adjustment mechanism, greatly improve the stability and reliability of system, reduce the probability of failure.
Need to check novelty before this filing date? Find Prior Art

Claims

1. A totally enclosed railway traction power cable shield protector comprising a nitrogen gas feeder (11) and a plurality of sealed boxes (2), characterized in that, The sealed box (2) has four cable sheath protector bodies (1) fixed at equal intervals inside. A connector is connected to one side of the lower end of the sealed box (2). The nitrogen conveyor (11) is connected to one end of the connector through a nitrogen conveying pipe (6). A pressure sensor (3), a nitrogen concentration sensor (4), and a temperature and humidity sensor (16) are installed on the side wall of the sealed box (2). The sealed box (2) is composed of a nano-silica explosion-proof film (12), a ceramic fiber heat insulation layer (13), and a stainless steel plate (14) from the inside to the outside.

2. A full-enclosed railway traction power cable shield protector according to claim 1, characterized in that: The sealing box (2) is coated with a weather-resistant polyurethane coating (15) on its one-way side wall.

3. A full-enclosed railway traction power cable shield protector according to claim 1, characterized in that: The sealed box (2) is equipped with a first cover (8) and a second cover (10) respectively, and the first cover (8) and the second cover (10) are installed by screws.

4. A full-enclosed railway traction power cable shield protector according to claim 1, characterized in that: The cable sheath protector body (1) is connected to a cable body on one side, and the cable body passes through the side wall of the second cover (10) and extends to one side of the sealed box (2).

5. A full-enclosed railway traction power cable shield protector according to claim 1, characterized in that: A connector protection box (5) is fastened to the outside of the connector, and the connector protection box (5) is installed on one side of the sealing box (2).

6. The fully enclosed railway traction power supply cable sheath protector according to claim 1, characterized in that: The sealing box (2) has mounting brackets (7) fixed on both sides of its lower end, and mounting holes (9) are provided on both sides of the lower end of the mounting brackets (7).