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Photoelectric composite load-bearing detection cable

A technology for detecting cables and optoelectronic composites, applied in power cables, power cables including optical transmission elements, insulated cables, etc. Non-rotational, corrosion-resistant, and oil-spill prevention effects

Pending Publication Date: 2019-03-29
山东希尔电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the gap between the steel wires of the outer armor layer and the inner armor layer is large, the sealing of the cable armor layer is poor, which will cause the external corrosive liquid to corrode the inside of the cable and affect the normal service life of the cable.

Method used

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  • Photoelectric composite load-bearing detection cable

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Experimental program
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Effect test

Embodiment Construction

[0022] Accompanying drawing is a kind of specific embodiment of the present invention.

[0023] A photoelectric composite load-bearing detection cable, including an insulating sheath layer 1, a steel wire braided layer 2, an insulating layer 3, a steel pipe 4, fiber paste 5, and an optical fiber 6 wrapped sequentially from outside to inside, and twisted ring sleeves outside the insulating sheath layer There is an inner armor layer 7, and the outer twisted ring of the inner armor layer is covered with an outer armor layer 8; the inner armor layer is surrounded by a plurality of circular steel wire twisted rings on the outside of the insulating sheath, so The outer armor layer is covered outside the inner armor layer by a plurality of twisted steel wires with a circular cross-section.

[0024] The insulating layer is made of modified polypropylene or fluoroplastic material.

[0025] The insulating sheath is made of polypropylene or Teflon.

[0026] The thickness of the insulat...

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Abstract

The invention relates to a photoelectric composite load-bearing detection cable which comprises an insulating sheath layer, a steel wire braided layer, an insulating layer, a steel pipe, fiber paste and an optical fiber, which are sequentially wrapped from outside to inside. An inner armor layer is arranged outside the insulating sheath layer in a twisting and sleeving mode, and an outer armor layer is arranged outside the inner armor layer in a twisting and sleeving mode. The inner armor layer is formed by sleeving a plurality of steel wire stranded rings with circular sections outside the insulating sheath layer, and the outer armor layer is formed by sleeving a plurality of steel wire stranded rings with circular sections outside the inner armor layer. According to the cable provided bythe invention, the electric conductivity, the sealing performance and the reliability of the cable are improved while the bearing capacity of the cable is improved.

Description

technical field [0001] The invention relates to the field of cables, in particular to a photoelectric composite load-bearing detection cable. Background technique [0002] With the rapid development of wireline logging technology and the advent of new logging instruments, the production technology of load-bearing detection cables used in conjunction with it is becoming more and more perfect. , Logging, perforating, coring and other operations of gas wells; it can also be used in marine surveys, rivers, harbors, water conservancy, hydrological surveys, coal field geological exploration, geothermal logging, etc. [0003] Among the above-mentioned cables, there are deep well cables, ultra-deep well cables and extra-ultra-deep well cables. The load-bearing capacity, anti-overflow performance, convenience of installation and use, and signal transmission capacity of the cable all play a decisive role in the quality of the cable. [0004] Because the gap between the steel wires o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B9/00H01B9/02H01B7/02H01B7/18H01B7/22H01B7/28G02B6/44
CPCH01B7/0216H01B7/0291H01B7/1875H01B7/22H01B7/28H01B7/2806H01B9/005H01B9/006H01B9/024G02B6/443
Inventor 季昌芸李元清江少帅姜再鹏徐晓峰
Owner 山东希尔电缆有限公司
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