CN215600136U - Corrosion-resistant effectual aerial insulated cable - Google Patents
Corrosion-resistant effectual aerial insulated cable Download PDFInfo
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- CN215600136U CN215600136U CN202121859685.7U CN202121859685U CN215600136U CN 215600136 U CN215600136 U CN 215600136U CN 202121859685 U CN202121859685 U CN 202121859685U CN 215600136 U CN215600136 U CN 215600136U
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Abstract
The utility model relates to the technical field of cables and discloses an overhead insulated cable with a good corrosion resistance effect, which comprises a cable external protective sleeve, wherein the inner side wall of the cable external protective sleeve is provided with a plurality of cable internal protective sleeves, the inside of each cable internal protective sleeve comprises an insulating layer and a high-temperature-resistant coating, and the inside of each cable internal protective sleeve is wrapped with a conductive wire core; a plurality of the surface parcel of the inside protective sheath of cable has the fire protection protective sheath, the inside of fire protection protective sheath is provided with dampproofing filling granule. This corrosion-resistant effectual aerial insulated cable makes the dampproof course and fills dampproofing filling granule in the inside of the outside protective sheath of cable through using pure cotton fiber moisture absorption paper, through the cooperation of above structure, can effectual improvement cable's humidity resistance, improves the life of cable, avoids the cable to cause serious consequence because of weing, through using high temperature resistant coating, improves the high temperature resistance of cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an overhead insulated cable with a good corrosion resistance effect.
Background
The overhead cable is an overhead conductor with insulating layer and protective sheath, and is a special cable made by adopting the production process similar to that of cross-linked cable, and is a new power transmission mode between overhead conductor and underground cable. The aerial cable is a single core, and can be divided into a duralumin wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core threaded structure (the wire core can be duralumin or duralumin wire) and the like according to different structures. The power supply system has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like. The main technical parameters comprise weather resistance, insulation level, inner and outer semi-conductive shielding layers. The overhead cable has wide transmission application at home and abroad.
Some cable devices currently on the market:
(1) in the use process of the overhead insulated cable with good corrosion resistance, as the cable is exposed in the external air for a long time, rain and moisture in the weather are easy to corrode the inside of the cable, and after the cable is affected with damp, the cable can be aged under the action of an electric field, so that the cable is broken down, and very serious consequences are caused;
(2) in the use process of the aerial insulated cable with good corrosion resistance, natural factors such as wind power and the like can cause cable deformation, so that the conductive wire core inside the cable is easy to break, and the service life of the cable is short.
We have therefore proposed an overhead insulated cable having good corrosion resistance so as to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art in the background art, the utility model aims to provide an overhead insulated cable with a good corrosion resistance effect, so as to solve the problems that some overhead insulated cables in the market, which are proposed in the background art, have the defects that the cables are easily corroded by moisture and easily deformed due to wind absorbing force of the cables, and the service life of the cables is short.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
an overhead insulated cable with a good corrosion resistance effect comprises a cable external protective sleeve, wherein the cable external protective sleeve comprises a waterproof layer and a moisture-proof layer, the inner side wall of the cable external protective sleeve is provided with a plurality of cable internal protective sleeves, the inside of each cable internal protective sleeve comprises an insulating layer and a high-temperature-resistant coating, and the inside of each cable internal protective sleeve is wrapped with a conductive wire core;
the outer surfaces of the cable inner protective sleeves are wrapped with fireproof protective sleeves, moistureproof filling particles are arranged inside the fireproof protective sleeves, and a plurality of buffer rubber strips are adhered to the outer surfaces of the fireproof protective sleeves;
an internal insulation connecting sleeve is arranged in the middle of the inside of the external cable protecting sleeve, and a flexible reinforcing rib is arranged inside the internal insulation connecting sleeve.
Preferably, the waterproof layer is made of cross-linked polyethylene rubber, the moisture-proof layer is made of pure cotton fiber moisture absorption paper, and the outer surface of the moisture-proof layer is adhered to one surface of the waterproof layer.
Preferably, each insulating layer is a styrene butadiene rubber insulating layer, each high temperature resistant coating is a polytetrafluoroethylene coating, and each high temperature resistant coating is coated on the inner side wall of the insulating layer.
Preferably, gaps are reserved among a plurality of cable inner protective sleeves, and the moisture-proof filling particles are filled in the gaps reserved among the plurality of cable inner protective sleeves.
Preferably, the outer surface of the internal insulation connecting sleeve is coated with an anti-corrosion coating, the anti-corrosion coating is an epoxy resin coating, and the outer surface of the waterproof layer is also coated with the anti-corrosion coating.
Preferably, the flexible reinforcing rib is composed of a plurality of hemp ropes, and the internal insulation connecting sleeve is wrapped on the outer surface of the flexible reinforcing rib composed of the hemp ropes.
(III) advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: this corrosion-resistant effectual aerial insulated cable:
(1) through using pure cotton fiber moisture absorption paper to make the dampproof course and fill dampproofing filling granule in the inside of the outside protective sheath of cable, through the cooperation of above structure, can effectual improvement cable's humidity resistance, improve the life of cable, avoid the cable to cause serious consequence because of weing, through using high temperature resistant coating, improve the high temperature resistance of cable.
(2) The flexible reinforcing ribs formed by a plurality of hemp ropes are arranged in the cable external protective sleeve, so that the toughness of the cable can be improved, and a plurality of buffer rubber strips are arranged in the cable external protective sleeve, so that the buffer effect of the cable is improved, and the cable is more stable.
Drawings
FIG. 1 is a schematic structural view of an overhead insulated cable with good corrosion resistance according to the present invention;
FIG. 2 is a schematic front view of an aerial insulated cable with good corrosion resistance according to the present invention;
FIG. 3 is a schematic view of the inner analysis structure of the outer protective sheath of the aerial insulated cable with good corrosion resistance;
FIG. 4 is a schematic view of an inner analysis structure of a cable inner protective sleeve of the aerial insulated cable with a good corrosion resistance effect according to the present invention;
fig. 5 is a schematic view of an internal analysis structure of an internal insulation connecting sleeve of the overhead insulated cable with a good corrosion resistance effect.
In the figure: the cable comprises a cable external protective sleeve 1, a waterproof layer 102, a moisture-proof layer 103, a cable internal protective sleeve 2, an insulating layer 202, a high-temperature-resistant coating 203, a buffer rubber strip 3, a fireproof protective sleeve 4, damp-proof filling particles 5, a conductive wire core 6, an internal insulating connecting sleeve 7, an anti-corrosion coating 702 and flexible reinforcing ribs 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides an overhead insulated cable with good corrosion resistance; the cable protection sleeve comprises a cable external protection sleeve 1, wherein the inside of the cable external protection sleeve 1 comprises a waterproof layer 102 and a moisture-proof layer 103, the inner side wall of the cable external protection sleeve 1 is provided with a plurality of cable internal protection sleeves 2, the inside of each cable internal protection sleeve 2 comprises an insulating layer 202 and a high-temperature-resistant coating 203, and the inside of each cable internal protection sleeve 2 is wrapped with a conductive wire core 6;
the outer surfaces of the cable inner protective sleeves 2 are wrapped with fireproof protective sleeves 4, moistureproof filling particles 5 are arranged inside the fireproof protective sleeves 4, and a plurality of buffer rubber strips 3 are adhered to the outer surfaces of the fireproof protective sleeves 4;
an internal insulation connecting sleeve 7 is arranged in the middle of the interior of the cable external protective sleeve 1, and a flexible reinforcing rib 8 is arranged in the internal insulation connecting sleeve 7.
As a preferred technical scheme of the utility model: the waterproof layer 102 is made of cross-linked polyethylene rubber, so that cross-linking is generated among macromolecules of the waterproof layer, and the heat resistance and other properties of the waterproof layer can be improved. The cable adopting the crosslinked polyethylene as the insulation can increase the long-term working temperature to 90 ℃, can bear the instantaneous short-circuit temperature of 170-250 ℃, has excellent waterproof performance, the moisture-proof layer 103 is made of pure cotton fiber moisture-absorbing paper, and the outer surface of the moisture-proof layer 103 is adhered to one surface of the waterproof layer 102.
As a preferred technical scheme of the utility model: each insulating layer 202 is a styrene butadiene rubber insulating layer, each high temperature resistant coating 203 is a polytetrafluoroethylene coating, and the polytetrafluoroethylene coating is a high molecular polymer prepared by polymerization of tetrafluoroethylene as a monomer. White wax, translucency, heat resistance and cold resistance are excellent, and the glass can be used for a long time at minus 180-260 ℃. The material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, is almost insoluble in all solvents, and each high-temperature-resistant coating 203 is coated on the inner side wall of the insulating layer 202.
As a preferred technical scheme of the utility model: leave the clearance between the inside protective sheath 2 of a plurality of cables, dampproofing filling granule 5 fills in the clearance that leaves between the inside protective sheath 2 of a plurality of cables.
As a preferred technical scheme of the utility model: the outer surface of the internal insulation connecting sleeve 7 is coated with an anti-corrosion coating 702, the anti-corrosion coating 702 is an epoxy resin coating, and the outer surface of the waterproof layer 102 is also coated with the anti-corrosion coating 702.
As a preferred technical scheme of the utility model: the flexible reinforcing rib 8 is formed by a plurality of hemp ropes, the internal insulation connecting sleeve 7 wraps the outer surface of the flexible reinforcing rib 8 formed by the hemp ropes, and the hemp ropes are used as cable filling materials to enhance the tensile strength and enhance the flexibility of the cable.
The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected or detachably connected; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (6)
1. The overhead insulated cable with good corrosion resistance effect comprises a cable external protective sleeve (1) and is characterized in that the cable external protective sleeve (1) comprises a waterproof layer (102) and a moisture-proof layer (103), the inner side wall of the cable external protective sleeve (1) is provided with a plurality of cable internal protective sleeves (2), the inside of each cable internal protective sleeve (2) comprises an insulating layer (202) and a high-temperature-resistant coating (203), and the inside of each cable internal protective sleeve (2) is wrapped with a conductive wire core (6);
the outer surfaces of the cable inner protective sleeves (2) are wrapped with fireproof protective sleeves (4), moistureproof filling particles (5) are arranged inside the fireproof protective sleeves (4), and the outer surfaces of the fireproof protective sleeves (4) are adhered with a plurality of buffer rubber strips (3);
an internal insulation connecting sleeve (7) is arranged in the middle of the interior of the cable external protective sleeve (1), and a flexible reinforcing rib (8) is arranged in the internal insulation connecting sleeve (7).
2. The overhead insulated cable with good corrosion resistance according to claim 1, wherein the waterproof layer (102) is made of cross-linked polyethylene rubber;
the moisture-proof layer (103) is made of pure cotton fiber moisture-absorbing paper;
the outer surface of the moisture-proof layer (103) is adhered to one surface of the waterproof layer (102).
3. The overhead insulated cable with good corrosion resistance of claim 1, wherein each of the insulating layers (202) is a styrene-butadiene rubber insulating layer;
each high-temperature resistant coating (203) is a polytetrafluoroethylene coating;
each high-temperature-resistant coating (203) is coated on the inner side wall of the insulating layer (202).
4. The overhead insulated cable with good corrosion resistance according to claim 1, wherein a plurality of inner protective sleeves (2) of the cable are provided with gaps;
the moisture-proof filling particles (5) are filled in gaps reserved among the cable inner protective sleeves (2).
5. The overhead insulated cable with good corrosion resistance according to claim 1, wherein the outer surface of the inner insulating connecting sleeve (7) is coated with an anti-corrosion coating (702);
the corrosion-resistant coating (702) is an epoxy resin coating;
the outer surface of the waterproof layer (102) is also coated with an anti-corrosion coating (702).
6. The overhead insulated cable with good corrosion resistance of claim 1, wherein the flexible reinforcing ribs (8) are formed by a plurality of hemp ropes;
the internal insulation connecting sleeve (7) is wrapped on the outer surface of a flexible reinforcing rib (8) formed by a plurality of hemp ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121859685.7U CN215600136U (en) | 2021-08-10 | 2021-08-10 | Corrosion-resistant effectual aerial insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121859685.7U CN215600136U (en) | 2021-08-10 | 2021-08-10 | Corrosion-resistant effectual aerial insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215600136U true CN215600136U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121859685.7U Active CN215600136U (en) | 2021-08-10 | 2021-08-10 | Corrosion-resistant effectual aerial insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215600136U (en) |
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2021
- 2021-08-10 CN CN202121859685.7U patent/CN215600136U/en active Active
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