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A cable used in power pipelines

A technology for electric power pipes and cables, which is applied in the field of electric power and cables, can solve the problems of increasing the cost of pipes, the speed and difficulty of pipe processing, the cable detaching from the inner wall of the pipe, and the reduction of adhesive force, etc., and achieves simple structure, high qualified rate of finished products, low cost effect

Active Publication Date: 2016-04-13
STATE GRID SHANDONG ELECTRIC POWER COMPANY RIZHAOPOWER SUPPLY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, the methods for fixing cables in relatively large-diameter pipes mainly include: thickening the wall of the pipe, forming cable holes in the wall, and passing the cables into the cable holes. It is suitable for round cables, but the wall of the pipe is also thickened, which will increase the cost of the pipe and the processing speed and difficulty of the pipe. After the pipe is installed, the cable can only be threaded after disconnecting part of the pipe. Therefore, Very inconvenient; when the cable is fixed on the inner wall of the pipe, it is fixed by bonding, nailing, etc. However, due to the long-term existence of moisture or gas in the pipe, the bonding force will gradually decrease after the bonding method is used , eventually causing the cable to detach from the inner wall of the pipe; the way of nailing and fixing usually requires the wall of the pipe body to be thicker, so that it is not easy to damage the pipe body when nailing, but usually, the wall of the pipe to be laid is not as thick as expected, so , Nails often penetrate or break the pipe wall, causing safety hazards in liquid or gas transportation

Method used

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  • A cable used in power pipelines
  • A cable used in power pipelines
  • A cable used in power pipelines

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Please see Figure 1 to Figure 2 ; A cable used in the power pipeline, which contains cable core 4. Outer care cover covering the cable core 2. Fixed body 1, and the transition body of the connection to fixing and outer condoms, which is characterized by: fixing fixationBoth the body and the transition body are extended along the axis direction of the cable. The cable core contains a conductor or signal transmission element, which is formed by the outer cover, fixing body, and transition body.The fans column body is located directly below the fixed body. The direction of the axis direction of the fixed body and the transition body along the axis of the cable is continuously extended or extended intermittently, and it is on the positive projection of the plane vertically with the cable axis.The transition body is overlapping; the axis of the fixed body is overlapping and parallel with the cable axis.Or aluminum or magnesium alloy or aluminum alloy or aluminum and magnesium al...

Embodiment 2

[0033] Please see Figure 3 to Figure 4 A cable used in the power pipeline, which is basically the same as the implementation example 1. The difference is that there is a reinforced piece 5 inside the fixed body, which is a single steel wire or a single steel band.

Embodiment 3

[0035] Please see Figure 5A cable used in the power pipeline, basically the same as the implementation example 1. The difference is that the axis direction of the fixed body and the transition body along the axis of the cable is intermittently extended, and in the plane that is vertically perpendicular to the cable axis,In the projection, the transition body is overlap; the axis of the fixed body is overlapping and parallel parallel with the cable axis; the distance between the adjacent fixation is 50mm;Rate ≥75%.

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Abstract

The invention belongs to the field of electric power and cable technology, and in particular relates to a cable used in electric power pipelines, which includes a cable core, an outer sheath covering the cable core, a fixing body, and a cable connecting the fixing body and the outer sheath The transition body is characterized in that: both the fixed body and the transition body extend along the axial direction of the cable core, and the cable core contains conductors or signal transmission elements, and the outer sheath, the fixed body, and the transition body are integrally formed and is the same material. The invention has the following main beneficial effects: simple structure, low cost, easy manufacture, high qualified rate of finished products, easy laying and installation.

Description

Technical field [0001] The invention is the field of power and cable technology, especially a cable for power pipelines. Background technique [0002] With the construction of urbanization and modernization, the use of domestic and foreign pipelines and cables is increasing. In China, the wire and cable industry has developed into the second largest industry after the automotive industry. The existing wires and cables mainly include cables, optical cables, and existing wires and cables.Composite cables, etc., collectively referred to as cables. The formula of cables mainly includes three major categories: pipeline, overhead, and direct burial. The overhead method requires the support of the tower, and it has a large amount of space resources.Beautiful, therefore, the country has introduced the corresponding policies. For the newly set up cables, the way to enter the ground is preferred; the method of entering the ground is mainly buried and pipeline.Impact, therefore, the cost of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/40
Inventor 张磊尹延红宋维波李照华丁照波郭全丁强
Owner STATE GRID SHANDONG ELECTRIC POWER COMPANY RIZHAOPOWER SUPPLY