CN211427872U - Novel marine power cable of insulating flexible armor - Google Patents
Novel marine power cable of insulating flexible armor Download PDFInfo
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- CN211427872U CN211427872U CN202020436963.7U CN202020436963U CN211427872U CN 211427872 U CN211427872 U CN 211427872U CN 202020436963 U CN202020436963 U CN 202020436963U CN 211427872 U CN211427872 U CN 211427872U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a novel insulating flexible armored marine power cable, which belongs to the field of power cables and is provided with a core layer, wherein the core layer is provided with three conductor layers, a semiconductor shielding layer and an insulating layer; the flexible rubber belt is also provided with a flexible filling layer, wherein the flexible filling layer consists of an elastic rope and an elastic rubber layer; the inner layer of the elastic rubber layer is provided with a through hole for the elastic rope to pass through; the outer surface of the elastic rubber layer is also provided with a groove for accommodating the elastic rope; the elastic rope on the outer surface of the elastic rubber layer and the elastic rope in the through hole are arranged in a staggered manner; the armor layer adopts an interlayer type wrinkled steel tape armor structure, and a polytetrafluoroethylene layer is laid in an interlayer of the armor layer; also comprises a fire-resistant fiber layer and an asbestos flame-retardant layer. The utility model has the advantages of uniform flexibility and elasticity on the circumference of the cable and good flexibility function; the cable can buffer external extrusion, improve the lateral pressure resistance, and ensure that the cable has good mechanical property and high tensile strength.
Description
Technical Field
The utility model belongs to the power cable field, concretely relates to novel marine power cable of insulating flexible armor.
Background
As is well known, the marine cable contains a large amount of salt in the sea water, namely in the middle of high salt fog and high humidity environment, the marine cable is easy to damage the armored metal layer and is installed in the narrow environment of space ship body space to cause the bending of a plurality of small radiuses, and the marine cable is easy to be extruded and deformed. Therefore, it is desirable to provide a new insulated flexible armored marine power cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel marine power cable of insulating flexible armor.
The utility model provides a technical scheme is: a novel insulated flexible armored power cable for ships comprises a core layer, wherein the core layer is provided with three conductor layers, a semiconductor shielding layer and an insulating layer, the semiconductor shielding layer is coated on the outer layer of the conductor layers, and the insulating layer is coated on the outer layer of the semiconductor shielding layer;
the flexible filling layer is filled between the insulating layers and consists of an elastic rope and an elastic rubber layer; the inner layer of the elastic rubber layer is provided with a through hole for the elastic rope to penetrate through; the outer surface of the elastic rubber layer is also provided with a groove for accommodating the elastic rope; the elastic ropes on the outer surface of the elastic rubber layer and the elastic ropes in the through holes are arranged in a staggered mode;
the armor layer adopts an interlayer type wrinkled steel tape armor structure, and a polytetrafluoroethylene layer is laid in an interlayer of the armor layer;
the fireproof fiber layer is coated on the wrinkled steel belt on the outer side of the armor layer;
and the asbestos flame-retardant layer is coated on the outer layer of the refractory fiber layer and serves as a flame-retardant protective layer.
Furthermore, the elastic ropes are distributed in the through holes of the elastic rubber layer in a circumferential array mode, and the elastic ropes are polyurethane tensile elastic ropes.
Furthermore, a continuous groove is formed in one side surface, close to the armor layer, of the polytetrafluoroethylene layer; and is closely matched with the sandwich type wrinkled steel strip armor structure.
Furthermore, the outer layer of the asbestos flame-retardant layer is also coated with a polyethylene sheath layer longitudinally wrapped with a copper-plastic composite tape.
Furthermore, the outer part of the polyethylene sheath layer is provided with an anticorrosive coating.
Has the advantages that:
the utility model discloses a novel insulating flexible armored marine power cable, which is characterized in that a flexible filling layer 2 is filled between insulating layers 13, and the flexible filling layer 2 consists of elastic ropes 21 and elastic rubber layers 22; the inner layer of the elastic rubber layer 22 is provided with a through hole for the elastic rope 21 to penetrate through; the outer surface of the elastic rubber layer 22 is also provided with a groove for accommodating the elastic rope 21; the elastic ropes 21 positioned on the outer surface of the elastic rubber layer 22 and the elastic ropes 21 in the through holes are arranged in a staggered manner; the flexibility and the elasticity of the cable on the circumference are uniform, and the cable has a good flexible function; the elastic cord 21 ensures the tensile strength of the cable; when the cable is extruded or bent, the elastic rubber layer 22 and the elastic rope 21 can buffer the external extrusion through deformation, and then the external stress applied to the lead wire protects the core layer 1 from being damaged. Secondly, the armor layer 3 adopts an interlayer type wrinkled steel tape armor structure, and a polytetrafluoroethylene layer 4 is laid in an interlayer of the armor layer 3; the lateral pressure resistance of the cable can be improved, the mechanical strength of the cable can be further improved by matching with an interlayer type wrinkled steel tape armor structure, the polytetrafluoroethylene layer 4 has better corrosion resistance, and the cable is good in mechanical property and high in tensile strength by matching with the armor layer 3.
Drawings
Fig. 1 is a schematic front cross-sectional view of a novel insulated flexible armored marine power cable according to the present invention;
in the figure: 1-core layer, 11-conductor layer, 12-semiconductor shielding layer, 13-insulating layer, 2-flexible filling layer, 21-elastic rope, 22-elastic rubber layer, 3-armor layer, 4-polytetrafluoroethylene layer, 5-fire-resistant fiber layer, 6-asbestos flame-retardant layer, and 7-longitudinal copper-plastic-clad composite tape and polyethylene sheath layer.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1, the novel insulated flexible armored power cable for ships in this embodiment includes a core layer 1, where the core layer 1 includes three conductor layers 11, a semiconductor shielding layer 12 covering the conductor layers 11, and an insulating layer 13 covering the semiconductor shielding layer 12;
the flexible packing layer 2 is filled between the insulating layers 13, and the flexible packing layer 2 consists of an elastic rope 21 and an elastic rubber layer 22; the inner layer of the elastic rubber layer 22 is provided with a through hole for the elastic rope 21 to penetrate through; the outer surface of the elastic rubber layer 22 is also provided with a groove for accommodating the elastic rope 21; the elastic ropes 21 positioned on the outer surface of the elastic rubber layer 22 and the elastic ropes 21 in the through holes are arranged in a staggered manner;
the armor layer 3 adopts a sandwich type wrinkled steel tape armor structure, and a polytetrafluoroethylene layer 4 is laid in an interlayer of the armor layer 3;
the fireproof fiber layer 5 is coated on the wrinkled steel belt on the outer side of the armor layer 3;
and the asbestos flame-retardant layer 6 is coated on the outer layer of the refractory fiber layer 5 to serve as a flame-retardant protective layer.
Specifically, referring to fig. 1, a flexible filling layer 2 is filled between insulating layers 13, and the flexible filling layer 2 is composed of an elastic rope 21 and an elastic rubber layer 22; the inner layer of the elastic rubber layer 22 is provided with a through hole for the elastic rope 21 to penetrate through; the outer surface of the elastic rubber layer 22 is also provided with a groove for accommodating the elastic rope 21; the elastic ropes 21 positioned on the outer surface of the elastic rubber layer 22 and the elastic ropes 21 in the through holes are arranged in a staggered manner; the flexibility and the elasticity of the cable on the circumference are uniform, and the cable has a good flexible function; the elastic cord 21 ensures the tensile strength of the cable. When the cable is extruded or bent, the elastic rubber layer 22 and the elastic rope 21 can buffer the external extrusion through deformation, and then the external stress applied to the lead wire protects the core layer 1 from being damaged. Secondly, the armor layer 3 adopts an interlayer type wrinkled steel tape armor structure, and a polytetrafluoroethylene layer 4 is laid in an interlayer of the armor layer 3; the lateral pressure resistance of the cable can be improved, the mechanical strength of the cable can be further improved by matching with an interlayer type wrinkled steel tape armor structure, the polytetrafluoroethylene layer 4 has better corrosion resistance, and the cable has good mechanical property and high tensile strength by matching with the armor layer 3; in addition, the armor layer 3 can provide a good magnetic shielding effect through shielding protection, can resist low-frequency interference and can also improve the anti-corrosion capability.
In this embodiment, the elastic ropes 21 are distributed in the through holes of the elastic rubber layer 22 in a circumferential array, and the elastic ropes 21 are polyurethane tensile elastic ropes. The flexibility of the cable is improved, and simultaneously, the dry and wet arc resistance of the cable and the high sealing performance of the elastic rope 21 and the elastic rubber layer 22 are effectively improved.
In this embodiment, a continuous groove 41 is formed on one side surface of the polytetrafluoroethylene layer 4 close to the armor layer 3; and is closely matched with the sandwich type wrinkled steel strip armor structure. Ensuring that the two layers are tightly attached and improving the radial stretching and twisting capacity of the polytetrafluoroethylene layer 4 and the armor layer 3.
In this embodiment, the outer layer of the asbestos flame-retardant layer 6 is further covered with a polyethylene sheath layer 7 longitudinally wrapped with a copper-plastic composite tape. To prevent the erosion of seawater and salt fog.
In this embodiment, the outer portion of the polyethylene sheath layer 7 is provided with an anticorrosive coating. The anti-corrosion coating can be formed by adding organic matters capable of separating out oily substances into silicon rubber serving as a base material, mixing and melting the mixture into liquid, and coating the liquid on the outer wall of the polyethylene sheath layer 7 of the longitudinal copper-plastic-coated composite belt of the cable, so that the salt mist resistance and the acid-base property of the cable can be effectively improved, and the service life of the cable is prolonged.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and are not limited, and although the embodiments of the present invention have been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that modifications and equivalent substitutions can be made on the technical solutions of the embodiments of the present invention without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A novel insulated flexible armored marine power cable has:
the core layer (1) is provided with three conductor layers (11), a semiconductor shielding layer (12) coated on the outer layer of the conductor layers (11), and an insulating layer (13) coated on the outer layer of the semiconductor shielding layer (12); it is characterized in that the preparation method is characterized in that,
the flexible filling layer (2) is filled between the insulating layers (13), and the flexible filling layer (2) is composed of an elastic rope (21) and an elastic rubber layer (22); the inner layer of the elastic rubber layer (22) is provided with a through hole for the elastic rope (21) to penetrate through; the outer surface of the elastic rubber layer (22) is also provided with a groove for accommodating the elastic rope (21); the elastic ropes (21) positioned on the outer surface of the elastic rubber layer (22) and the elastic ropes (21) in the through holes are arranged in a staggered manner;
the armor layer (3) adopts a sandwich type wrinkled steel tape armor structure, and a polytetrafluoroethylene layer (4) is laid in an interlayer of the armor layer (3);
the fireproof fiber layer (5) is coated on the wrinkled steel belt on the outer side of the armor layer (3);
and the asbestos flame-retardant layer (6) is coated on the outer layer of the refractory fiber layer (5) and serves as a flame-retardant protective layer.
2. A novel insulated flexible armored marine power cable as claimed in claim 1, wherein said elastic cords (21) are distributed in a circumferential array in the through holes of said elastic rubber layer (22), and said elastic cords (21) are polyurethane tensile elastic cords.
3. A novel insulated flexible armored marine power cable as claimed in claim 1, wherein a continuous groove (41) is provided on the side of the teflon layer (4) adjacent to the armor layer (3); and is closely matched with the sandwich type wrinkled steel strip armor structure.
4. A new insulated flexible armoured marine power cable according to claim 1, characterized in that the outer layer of said asbestos fire retardant layer (6) is further covered with a longitudinal copper-clad plastic composite tape plus polyethylene sheath layer (7).
5. A new insulated flexible armoured marine power cable according to claim 4, characterized in that the exterior of said longitudinal copper-plastic clad tape plus polyethylene sheath layer (7) is provided with an anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436963.7U CN211427872U (en) | 2020-03-30 | 2020-03-30 | Novel marine power cable of insulating flexible armor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436963.7U CN211427872U (en) | 2020-03-30 | 2020-03-30 | Novel marine power cable of insulating flexible armor |
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| Publication Number | Publication Date |
|---|---|
| CN211427872U true CN211427872U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020436963.7U Expired - Fee Related CN211427872U (en) | 2020-03-30 | 2020-03-30 | Novel marine power cable of insulating flexible armor |
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| CN (1) | CN211427872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112399656A (en) * | 2020-11-16 | 2021-02-23 | 安徽文汇机电设备有限公司 | High-temperature constant-power electric tracing band |
-
2020
- 2020-03-30 CN CN202020436963.7U patent/CN211427872U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112399656A (en) * | 2020-11-16 | 2021-02-23 | 安徽文汇机电设备有限公司 | High-temperature constant-power electric tracing band |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 |