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Safe composite high-pressure conveying cable

A technology of high-pressure transmission and high-pressure transmission pipes, which is applied in the direction of cables, insulated cables, rigid pipes, etc., can solve the problems of low safety factor, easy damage, flattening of air transmission pipes, etc. The effect of defects

Inactive Publication Date: 2016-03-09
QINGDAO HUAKAI OCEAN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, when the high-pressure delivery pipes sold on the market are dragged in the sea, they are very vulnerable to the pressure of the outer sheath, which will cause the air delivery pipe to be squeezed and flattened, resulting in an increase in local pressure, and eventually lead to partial cracking of the high-pressure air delivery pipe. The safety factor extremely low
[0003] Furthermore, the traditional high-pressure delivery pipe has unstable structure, poor tensile performance, poor extrusion resistance and large specific gravity, and there are also problems such as easy damage and difficult operation. Therefore, a high-pressure, tear-resistant, high-strength The book's high-pressure gas pipeline is the current problem facing offshore exploration and seismic modeling

Method used

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Effect test

Embodiment 1

[0015] The technical solution adopted by the present invention to achieve the above purpose is: a safe composite high-voltage transmission cable, including a high-pressure transmission pipe 1 and a braided sheath 2 located outside the high-pressure transmission pipe. In order to ensure that the delivery pipeline 1 has the functions of anti-high pressure, anti-extrusion and not easily deformed. The present invention also includes a reinforcing cable 3, an optical fiber 4, and a cable 5, the reinforcing cable 3, the optical fiber 4, and the cable 5 are located in the braided sheath 2, and the reinforcing cable 3 includes a central braiding layer 31 and a braiding layer outside the braiding layer 31. The high-strength plastic layer 32, the braided layer 31 is made of polyester or aramid, which ensures the strength and elasticity of the reinforcing cable 3. Straight fibers 11 are arranged between the reinforcing cables 3 , the optical fibers 4 and the cables 5 , and the straight f...

Embodiment 2

[0018] The difference from the first embodiment is that the optical fiber 4 and the cable 5 are twisted as a whole to form a convoluted structure A, and a reinforcing layer A1 is arranged outside the convoluted structure A, and the gap between the reinforcing layer A1 and the convoluted structure A The gaps are filled with functional fibers A11, and an insulating protective layer A2 is arranged outside the reinforcing layer A1. The use of the convoluted structure A above makes the present invention more extensible, coupled with the high strength of the reinforcing cable, so that the conveying pipeline has the functions of high pressure resistance, extrusion resistance and not easy deformation.

[0019] The invention is easy to realize industrialized production, effectively makes up for the defects of the prior art and commercially available products, and satisfies market demands. The invention is unique in design, simple in design and has broad market economic prospect.

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Abstract

The invention relates to the field of cable preparation, in particular to a safe composite high-pressure conveying cable. The safe composite high-pressure conveying cable comprises a high-pressure conveying pipe and a woven sheath located outside the high-pressure conveying pipe, and further comprises a reinforcing cable, optical fibers and a cable, wherein the reinforcing cable, the optical fibers and the cable are located in the woven sheath; the reinforcing cable comprises a woven layer in the center and a high-strength plastic layer located outside the woven layer; flat and straight fibers are arranged among the reinforcing cable, the optical fibers and the cable and arranged around the optical fibers and the cable in parallel. The safe composite high-pressure conveying cable is unique in design, and the reinforcing cable is introduced into the composite high-pressure conveying cable, so that a conveying pipeline has the functions of resisting high pressure and squeezing and being not prone to deformation. The safe composite high-pressure conveying cable further has the advantages of being reasonable in design, novel in concept, simple in structure, economical, environmentally friendly, and capable of achieving industrial production easily, effectively overcoming the defects in the prior art and market products, and meeting the demand of the market.

Description

technical field [0001] The invention relates to the field of cable preparation, in particular to a safe composite high-voltage transmission cable. Background technique [0002] At present, a large number of high-pressure pipelines are used in the field of offshore oil exploration. As an indispensable and necessary facility at sea, the quality and use requirements of high-pressure pipelines have greatly increased. In the field of scientific research, researchers often use high-pressure pipelines to build models of seafloor earthquakes. Artificial seismic wave simulation technology is to store air in a high-pressure container through a certain device. After being pressurized to a certain level, it is suddenly released in the water, generating a powerful shock wave that propagates to the underwater and subsea strata to conduct scientific research on seismic waves. . The establishment of this model requires that the high-pressure delivery pipe must meet harsh conditions such ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/19G02B6/44H01B7/00
CPCF16L9/19G02B6/4427G02B6/4432H01B7/0072
Inventor 张洪涛刘长胜王玮
Owner QINGDAO HUAKAI OCEAN SCI & TECH
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