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Detachable cable protection tube structure

A technology of cable protection tube and semi-circular tube, which is applied to the installation of cables, cables in ground conduits, and cables in underground pipelines, etc., which can solve the problem that the service life of cable protection tubes is not as good as that of cables, and the personal safety of power lines Hidden dangers, damage to the cable head and the cable itself, etc., to achieve the effect of shortening the maintenance time of power outages, improving the reliability of power supply, and reducing direct economic costs

Pending Publication Date: 2016-12-14
GUIYANG POWER SUPPLY BUREAU OF GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Throughout the various voltage levels of the power system, cables have been widely used due to their unique advantages in special environments. They play an important role as "bridges and tunnels" in the transmission and distribution lines that undertake power transmission. In today's developed world, limited land resources have become more precious. In many cases, the application of cables has become the only choice for power lines. Most power cables include cable parts. However, in order to consider the power lines themselves and their impact on the external environment For safety reasons, cable protection tubes are installed outside the cables when installing underground cable lines, and most cable protection tubes are made of integral galvanized steel pipes of various specifications. The problem is that the current design of power lines has a long service life It can be said that the cables of power lines exist as "permanent" facilities in the environment of substations, main blocks in cities and passing through specific buildings, and the service life of the cable protection tubes is far less than the service life of the cables. After 6 to 10 years of service, many cable protection tubes have different degrees of corrosion and aging, which brings great hidden dangers to the personal safety of the first-level environment of the power line itself. Take out the rusted and aging old cable head, and then insert a new cable protection tube from the cable head. This process is very cumbersome, and it will inevitably cause damage and influence to the cable head and the cable itself to varying degrees.

Method used

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Embodiment Construction

[0020] The embodiment of the present invention: a detachable cable protection tube structure, as shown in the drawings, includes a cable protection tube body 1, the cable protection tube body 1 is surrounded by two semicircular tubes 2 with a semicircular cross section. At least three hoops 3 are evenly arranged around the protective tube body 1.

[0021] A groove 4 is provided on the left side of the semicircular tube 2 and a transition surface 5 is formed between the groove 4 and the left side of the semicircular tube 2, and a boss 6 is provided on the side of the semicircular tube 2 and the boss 6 and The groove 4 on the corresponding semicircular tube 2 is matched, and a layer of elastic plastic layer 7 is arranged on the circumferential surface of the groove 4 and the boss 6. The groove 4 is a cone structure with a small inside and a large outside. The structure of the table 6 is consistent with the structure of the groove 4 and is a transitional or interference fit. At leas...

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PUM

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Abstract

The invention discloses a detachable cable protection tube structure comprising a cable protection tube body, wherein the cable protection tube body is composed of two semicircular pipes with semicircular cross sections, and at least three hoops are uniformly arranged around the cable protection tube body. According to the detachable cable protection tube structure disclosed by the invention, the overall tubular structure of the original cable protection tube is disruptively changed, the cable protection tube is formed into a detachable structure in a manner of dividing one into two, no matter in a mounting process and a subsequent change process, the efficiency and the cost are greatly improved, and the detachable cable protection tube structure disclosed by the invention is convenient to manufacture and is high in practicability.

Description

Technical field [0001] The invention relates to the technical field of cable protection, in particular to a detachable cable protection tube structure. Background technique [0002] Throughout the various voltage levels of the power system, cables have been widely used due to their unique advantages in special environments. They play an important role of "bridges and tunnels" in the transmission and distribution lines that undertake power transmission. Today, limited land resources have become more precious. In many cases, the application of cables has become the only choice for power lines. Most power cables include the cable part. However, in order to consider the power line itself and its impact on the external environment For safety reasons, when installing underground cable lines, install cable protection pipes outside the cables, and most of the cable protection pipes use integral galvanized steel pipes of various specifications. The problem is that the current design life ...

Claims

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Application Information

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IPC IPC(8): H02G3/04H02G9/04H02G9/06
CPCH02G3/04H02G3/0406H02G9/04H02G9/06
Inventor 包福多周阳张为范启鼎何平张春洋李勇敏刘怡君
Owner GUIYANG POWER SUPPLY BUREAU OF GUIZHOU POWER GRID CO LTD
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