CN215007646U - Waterproof power cable of tensile for laying under water - Google Patents

Waterproof power cable of tensile for laying under water Download PDF

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Publication number
CN215007646U
CN215007646U CN202121621772.9U CN202121621772U CN215007646U CN 215007646 U CN215007646 U CN 215007646U CN 202121621772 U CN202121621772 U CN 202121621772U CN 215007646 U CN215007646 U CN 215007646U
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China
Prior art keywords
waterproof
cable
layer
tensile
conductor
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CN202121621772.9U
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Chinese (zh)
Inventor
王迪
叶宇
沈棋
肖尚兵
李明
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Anhui Huayu Cable Group Co ltd
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Anhui Huayu Cable Group Co ltd
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Abstract

The utility model belongs to the technical field of the cable, concretely relates to lay underwater with waterproof power cable of tensile, which comprises a conductor, the insulation core transposition stranding cable that conductor and insulating layer are constituteed is the cable core. The conductor is stranded by soft copper wires drawn by a plurality of strands of oxygen-free copper rods, so that the high conductivity is realized, and the high current-carrying capacity operation of the cable in use is ensured. The waterproof layer adopts multiple waterproof structure, the cable core gap is filled with composite water-blocking material with high water-blocking property, the cable core is longitudinally wrapped by double-sided aluminum-plastic composite tape, a layer of high-density waterproof high polymer material is extruded to serve as an isolation layer, and the front and the back of the armor are wrapped with waterproof high water-blocking tape. The armor layer adopts a loose winding layer of high-strength tensile anti-corrosion rust-proof specially-made galvanized steel wire, and can meet the bearing property of laying and installing two ends of a cable in underwater use.

Description

Waterproof power cable of tensile for laying under water
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to lay underwater with waterproof power cable of tensile.
Background
The tensile waterproof power cable for underwater laying is suitable for important engineering facilities and bases with high requirements on waterproof reliability of power supply systems of ports, hydropower stations, ship locks, river-crossing bridges, tunnels, subways and the like, particularly for power transmission and information transmission in high rainfall areas, low-lying humid areas and partial ditch areas, the traditional power cable is not waterproof, moisture and humidity easily enter the cable, the service life and safety of the cable are influenced, no tensile property exists, and potential safety hazards are caused by large possibility of breaking of a joint bearing used underwater, so that the tensile waterproof power cable for underwater laying with high water resistance, moisture resistance and tensile property needs to be developed.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides a lay underwater with waterproof power cable of tensile has the life and the safety of reinforcing cable, and the waterproof nature of reinforcing cable avoids connecting cracked characteristics.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a lay waterproof power cable of tensile with under water, includes the conductor, the conductor is crowded package outward has the insulating layer, the insulation core transposition stranding cable that conductor and insulating layer are constituteed is the cable core, the clearance department of cable core is equipped with the packing, the outer parcel of cable core has the cable core around the covering, the cable core is indulged the package around the covering outward and is had the waterproof layer, the crowded package in outside of waterproof layer has the isolation layer, the outside of isolation layer is waterproof around having interior around the covering, interior waterproof outside around the covering is dredged around there being the armor, the armor has outer waterproof around the covering outward around the covering, outer waterproof crowded package has the restrictive coating around the outside of covering.
As the utility model discloses an lay under water with preferred technical scheme of waterproof power cable of tensile, the inside of conductor is provided with the soft copper wire of stranded anaerobic copper pole drawing, just the soft copper wire of anaerobic copper pole drawing twists each other.
As the utility model discloses a lay under water with preferred technical scheme of tensile waterproof power cable, be provided with the anticorrosive rust-resistant galvanized steel wire of tensile in the armor.
As the utility model discloses a lay under water with waterproof power cable of tensile preferred technical scheme, be equipped with the compound area of two-sided plastic-aluminum in the waterproof layer.
The utility model has the advantages that:
(1) the conductor is stranded by soft copper wires drawn by a plurality of strands of oxygen-free copper rods, so that the high conductivity is realized, and the high current-carrying capacity operation of the cable in use is ensured.
(2) The waterproof layer adopts multiple waterproof structure, the cable core gap is filled with composite water-blocking material with high water-blocking property, the cable core is longitudinally wrapped by double-sided aluminum-plastic composite tape, a layer of high-density waterproof high polymer material is extruded to serve as an isolation layer, and the front and the back of the armor are wrapped with waterproof high water-blocking tape.
(3) The armor layer adopts a loose winding layer of high-strength tensile anti-corrosion rust-proof specially-made galvanized steel wire, and can meet the bearing property of laying and installing two ends of a cable in underwater use.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
description of the main elements
In the figure: 1. a conductor; 2. an insulating layer; 3. filling; 4. a cable core wrapping layer; 5. a waterproof layer; 6. an isolation layer; 7. an inner waterproof wrapping layer; 8. an armor layer; 9. an outer waterproof wrapping layer; 10. a sheath layer.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the tensile waterproof power cable for underwater laying comprises a conductor 1, wherein an insulating layer 2 is extruded outside the conductor 1, an insulating wire core formed by the conductor 1 and the insulating layer 2 is stranded into a cable core, a gap of the cable core is provided with a filler 3, the cable core is wrapped with a cable core wrapping layer 4, the cable core is longitudinally wrapped with a waterproof layer 5 outside the wrapping layer 4, an isolating layer 6 is extruded outside the waterproof layer 5, an inner waterproof wrapping layer 7 is wrapped outside the isolating layer 6, an armor layer 8 is loosely wrapped outside the inner waterproof wrapping layer 7, an outer waterproof wrapping layer 9 is wrapped outside the armor layer 8, a sheath layer 10 is extruded outside the outer waterproof wrapping layer 9, and a double-faced composite tape is arranged in the waterproof layer 5.
In this embodiment, the insulating layer 2 is made of a high-mechanical-strength high-crosslinked polyethylene insulating material with excellent insulating property, the filler 3 is made of a composite water-blocking material with high water-blocking property, the cable core wrapping layer 4 is a cable core outer wrapping water-blocking tape, the isolation layer 6 is made of a high-density water-tight high polymer material, the inner waterproof wrapping layer 7 and the outer waterproof wrapping layer 9 are both made of a water-tight high-water-blocking tape, and the sheath layer 10 is made of a high-density water-tight high polymer special composite material.
Specifically, soft copper wires drawn by a plurality of strands of oxygen-free copper rods are arranged inside the conductor 1, and the soft copper wires drawn by the oxygen-free copper rods are mutually twisted.
In this embodiment, the conductor 1 is stranded by soft copper wires drawn by multiple strands of oxygen-free copper rods, so that the electrical conductivity is high, and the large current-carrying capacity operation of the cable in use is ensured
Specifically, a tensile, anti-corrosion and anti-rust galvanized steel wire is arranged in the armor layer 8.
In the embodiment, the armor layer 8 is formed by sparsely winding a layer of high-strength tensile anti-corrosion rust-proof specially-made galvanized steel wire, so that the bearing property of laying, installing and using two ends of a cable in underwater use can be met.
The utility model discloses a theory of operation and use flow:
the insulating layer 2 is made of a high-mechanical-strength high-crosslinking polyethylene insulating material with excellent insulating property, the filling layer 3 is made of a composite water-blocking material with high water-blocking property, the cable core wrapping layer 4 is a cable core outer wrapping water-blocking tape, the isolating layer 6 is made of a high-density waterproof high-molecular material, the inner waterproof wrapping layer 7 and the outer waterproof wrapping layer 9 are both made of waterproof high-water-blocking tape, the sheath layer 10 is made of a high-density waterproof high-molecular special composite material, the armor layer 8 is made of a high-strength tensile anti-corrosion anti-rust special galvanized steel wire which is loosely wrapped, the bearing property for laying and installing at two ends of the cable when the cable is used underwater, a multiple waterproof structure is adopted, the composite water-blocking material with high water-blocking property is adopted as the filling layer 3 in a cable core gap, a double-sided aluminum-plastic composite tape longitudinal wrapping is adopted as the waterproof layer 5 outside the cable core, and a layer of the high-density waterproof high-molecular material is extruded and wrapped as the isolating layer 6, and around armor 8 all around wind waterproof interior waterproof around covering 7 and outer waterproof around covering 9, through multiple waterproof construction, can reach radial waterproof and vertical waterproof purpose, the cable does not intake when satisfying the use of soaking water under water, does not influence the use of cable.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. The utility model provides a lay underwater with waterproof power cable of tensile, includes conductor (1), its characterized in that: conductor (1) outer crowded package has insulating layer (2), the insulation core transposition stranding cable that conductor (1) and insulating layer (2) are the cable core, the clearance department of cable core is equipped with packing (3), the outer parcel of cable core has the cable core around covering (4), the cable core is indulged the package around covering (4) outward and is had waterproof layer (5), the outside crowded package of waterproof layer (5) has isolation layer (6), the outside of isolation layer (6) is around having interior waterproof around covering (7), interior waterproof outside around covering (7) is dredged around having armor (8), armor (8) are outer around the package has outer waterproof around covering (9), outer waterproof crowded package around the outside of covering (9) has restrictive coating (10).
2. The tensile waterproof power cable for underwater laying according to claim 1, characterized in that: soft copper wires drawn by a plurality of strands of oxygen-free copper rods are arranged inside the conductor (1), and the soft copper wires drawn by the oxygen-free copper rods are mutually twisted.
3. The tensile waterproof power cable for underwater laying according to claim 1, characterized in that: tensile, anti-corrosion and anti-rust galvanized steel wires are arranged in the armor layer (8).
4. The tensile waterproof power cable for underwater laying according to claim 1, characterized in that: and a double-sided aluminum-plastic composite belt is arranged in the waterproof layer (5).
CN202121621772.9U 2021-07-16 2021-07-16 Waterproof power cable of tensile for laying under water Active CN215007646U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121621772.9U CN215007646U (en) 2021-07-16 2021-07-16 Waterproof power cable of tensile for laying under water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121621772.9U CN215007646U (en) 2021-07-16 2021-07-16 Waterproof power cable of tensile for laying under water

Publications (1)

Publication Number Publication Date
CN215007646U true CN215007646U (en) 2021-12-03

Family

ID=79127285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121621772.9U Active CN215007646U (en) 2021-07-16 2021-07-16 Waterproof power cable of tensile for laying under water

Country Status (1)

Country Link
CN (1) CN215007646U (en)

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