CN219017302U

CN219017302U - Anticorrosion wear-resistant power cable

Info

Publication number: CN219017302U
Application number: CN202223191595.2U
Authority: CN
Inventors: 蒋军熙; 卫宇
Original assignee: Jiangsu Kaida Cable Co ltd
Current assignee: Jiangsu Kaida Cable Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-12
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses an anti-corrosion and wear-resistant power cable, which comprises a cable core, a cable core and a supporting frame, wherein the cable core consists of a plurality of cable cores, a filling layer and the supporting frame, the filling layer is filled among the plurality of cable cores, the supporting frame is arranged inside the filling layer and longitudinally extends along with the cable core, a wrapping layer is arranged outside the cable core, an armor layer is arranged outside the wrapping layer in a surrounding manner, an insulating layer is arranged outside the armor layer in a surrounding manner, a composite anti-corrosion layer is arranged outside the insulating layer in a surrounding manner, an outer shielding layer is arranged outside the composite anti-corrosion layer, and a wear-resistant outer sheath is arranged outside the outer shielding layer. The utility model adopts the design of the composite anti-corrosion layer and the wear-resistant outer sheath, reduces the risk of corrosion of the insulating protective layer, and the armor layer formed by braiding the longitudinally extending support frame and the galvanized steel wires has good anti-compression and anti-tearing performances.

Description

Anticorrosion wear-resistant power cable

Technical Field

The utility model relates to the technical field of power cables, in particular to an anti-corrosion and wear-resistant power cable.

Background

The wire and cable is a wire product for transmitting electric power, electric signals and realizing electromagnetic energy conversion, and the cable is generally composed of a cable core for transmitting electric power or electric signals and a sheath for protecting and insulating. The cable has the characteristics of internal power supply and external insulation, so that the most direct reason of cable ageing faults is that insulation is reduced and broken down, for example, the cable is directly buried in an area with acid-base action, the cable is often corroded by an external insulation protection layer, the external insulation protection layer is subjected to chemical corrosion or electrolytic corrosion for a long time, the protection layer is invalid, the insulation is reduced, the cable faults are also caused, in general, in the use scene of an outdoor cable, abrasion is easy to occur due to long-term exposure to the outdoor, the corroded condition is high, the cost is increased, and the use requirement is difficult to meet.

Disclosure of Invention

In order to solve the problem that the existing power cable is poor in wear resistance and corrosion resistance, an anti-corrosion and wear-resistant power cable is provided.

The utility model is realized by the following technical scheme: the utility model provides an anti-corrosion and wear-resistant power cable which is characterized by comprising a wire core, a cable core and a supporting frame, wherein the cable core consists of a plurality of wire cores, a filling layer and the supporting frame, the filling layer is filled among the plurality of wire cores, the supporting frame is arranged inside the filling layer and longitudinally extends along with the cable core, a wrapping layer is arranged outside the cable core, an armor layer is arranged outside the wrapping layer in a surrounding manner, a second insulating layer is arranged outside the armor layer in a surrounding manner, a composite anti-corrosion layer is arranged outside the second insulating layer in a surrounding manner, an outer shielding layer is arranged outside the composite anti-corrosion layer, and a wear-resistant outer sheath is arranged outside the outer shielding layer.

Further, the wire core comprises a conductor, a first insulating layer and a shielding layer, wherein the conductor is a plurality of copper wires stranded with each other, the first insulating layer is arranged on the outer ring of the conductor, and the shielding layer is arranged on the outer ring of the first insulating layer.

Further, the shielding layer is a metal braiding layer braided by a tinned soft copper belt.

Further, the wear-resistant outer sheath is made of polystyrene sheath material.

Further, the composite anti-corrosion layer comprises a PVC adhesive layer, a polytetrafluoroethylene anti-corrosion layer and a PVC adhesive layer which are sequentially arranged from outside to inside.

Further, the second insulating layer is phenolic resin.

Further, the armor layer is an armor formed by weaving galvanized steel wires.

Compared with the prior art, the utility model has the following beneficial effects:

the insulating layer 7 is the phenolic resin, and the phenolic resin has the advantages of light weight, heat resistance, good insulativity, high mechanical strength, strong chemical corrosion resistance, good weather resistance and the like, and the phenolic resin 7 can improve the insulating effect and the service life of the cable.

2 the wear-resistant outer sheath 10 is made of polystyrene material, can play a role in corrosion resistance and ageing resistance, is durable in use, prolongs the service life of the cable, and meets the use requirement.

The shielding layer 13 is a metal braiding layer woven by tinned soft copper tapes, so that the shielding effect between cable cores is achieved, the anti-interference performance is improved, and the crosstalk is reduced.

4 the polytetrafluoroethylene anticorrosive layer 82 has the advantages of tightness, high lubricating non-viscosity, electrical insulation, good ageing resistance and excellent temperature resistance (can work for a long time at the temperature of +250 ℃ to-180 ℃), so that the anticorrosive performance of the novel cable is greatly improved, the cable can be normally used in a severe outdoor environment, and the service life of the cable is greatly prolonged.

5 the PVC adhesive layer 81 is made of polyolefin materials with good impact strength and bending resistance, provides excellent anti-pulling and wear-resisting properties, and the polytetrafluoroethylene anti-corrosion layer 82 is sandwiched between the two PVC adhesive layers 81, so that the wear resistance and the anti-pulling capability of the cable are improved, the cable is ensured not to be worn in an outdoor scene, and the polytetrafluoroethylene anti-corrosion layer 82 can provide excellent corrosion resistance after being worn, and the service life is prolonged.

The support frame is arranged in the filling layer, and is longitudinally prolonged along with the cable core, so that the compression resistance and bearing capacity of the cable are greatly enhanced, the cable is prevented from being deformed and damaged, the armor layer 6 is an armor formed by braiding galvanized steel wires, the cable has stronger wear resistance, and meanwhile, the protection force on the internal structure is better.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a wire core according to the present utility model;

fig. 3 is a schematic cross-sectional structure of the composite anticorrosive coating of the present utility model.

1. A wire core; 2. a cable core; 11. a conductor; 12. a first insulating layer; 13. a shielding layer; 3. a filling layer; 4. a support frame; 5. wrapping the layer; 6. an armor layer; 7. a second insulating layer; 8. a composite anticorrosive layer; 9. an outer shielding layer; 10. a wear-resistant outer jacket; 81. a PVC adhesive layer; 82. and a polytetrafluoroethylene anticorrosive layer.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The anti-corrosion and wear-resistant power cable comprises a wire core 1, a cable core 2 and a supporting frame 4, wherein the cable core 2 consists of a plurality of wire cores 1, a filling layer 3 and the supporting frame 4, the filling layer 3 is filled among the wire cores 1, the supporting frame 4 is arranged inside the filling layer 3, the supporting frame 4 is longitudinally prolonged along with the cable core 2, the compression and bearing capacity of the cable is greatly enhanced, the cable is prevented from being deformed and damaged, a wrapping layer 5 is arranged outside the cable core 2, an armor layer 6 is arranged outside the wrapping layer 5 in a surrounding manner, a second insulating layer 7 is arranged outside the armor layer 6 in a surrounding manner, a composite anti-corrosion layer 8 is arranged outside the second insulating layer 7 in a surrounding manner, an outer shielding layer 9 is arranged outside the composite anti-corrosion layer 8, and a wear-resistant outer sheath 10 is arranged outside the outer shielding layer 9.

In this embodiment, specific: the wire core 1 comprises a conductor 11, a first insulating layer 12 and a shielding layer 13, wherein the conductor 11 is a plurality of mutually twisted copper wires, the first insulating layer 12 is arranged on the outer part of the conductor 11 in a surrounding mode, and the shielding layer 13 is arranged on the outer part of the first insulating layer 12 in a surrounding mode.

In this embodiment, specific: the shielding layer 13 is a metal braid woven by tinned soft copper tapes, so that the shielding effect between cable cores is achieved, the anti-interference performance is improved, and the crosstalk is reduced.

In this embodiment, specific: the wear-resistant outer sheath 10 is made of polystyrene sheath material, can play a role in corrosion resistance and ageing resistance, is durable in use, prolongs the service life of the cable, and meets the use requirements.

In this embodiment, specific: the composite anticorrosive coating 8 comprises a PVC adhesive layer 81, a polytetrafluoroethylene anticorrosive layer 82 and a PVC adhesive layer 81 which are sequentially arranged from outside to inside, wherein polytetrafluoroethylene has sealing property, high lubricating non-viscosity, electrical insulation and good ageing resistance, and is excellent in temperature resistance (can work for a long time at the temperature of +250 ℃ to-180 ℃), so that the anticorrosive performance of the novel cable is greatly improved, the cable can be normally used in a severe outdoor environment, the service life of the cable is greatly prolonged, the PVC adhesive layer 81 is made of a polyolefin material with good impact strength and flex resistance, excellent anti-pulling and wear-resisting performances are provided, the polytetrafluoroethylene anticorrosive layer 82 is clamped in the double-layer PVC adhesive layer 81, the wear resistance and the tensile pulling resistance of the cable are improved, the cable is ensured not to be worn in the outdoor scene, and the polytetrafluoroethylene anticorrosive layer 82 can provide excellent corrosion resistance after wear.

In this embodiment, specific: the second insulating layer 7 is phenolic resin, the insulating layer 7 is phenolic resin, and the phenolic resin has the advantages of light weight, heat resistance, good insulativity, high mechanical strength, strong chemical corrosion resistance, good weather resistance and the like, and the phenolic resin can improve the insulating effect and the service life of the cable.

In this embodiment, specific: the armor layer 6 is the armor that galvanized steel wire woven and forms, makes cable itself have stronger abrasion resistance, simultaneously to internal structure protection dynamics better.

The utility model relates to an anti-corrosion and wear-resistant power cable, which comprises a wire core 1, a cable core 2 and a supporting frame 4, wherein the cable core 2 consists of a plurality of wire cores 1, a filling layer 3 and the supporting frame 4, the filling layer 3 is filled among the wire cores 1, the supporting frame 4 is arranged inside the filling layer 3, the supporting frame 4 lengthens along with the cable core 2 longitudinally, the compression and bearing capacity of the cable is greatly enhanced, the cable deformation and damage are prevented, a wrapping layer 5 is arranged outside the cable core 2, an armor layer 6 is arranged outside the wrapping layer 5 in a surrounding manner, a second insulating layer 7 is arranged outside the armor layer 6 in a surrounding manner, a composite anti-corrosion layer 8 is arranged outside the second insulating layer 7 in a surrounding manner, an outer shielding layer 9 is arranged outside the composite anti-corrosion layer 9, a wear-resistant outer sheath 10 is arranged outside the composite anti-corrosion and anti-aging material, the wear-resistant power cable is durable, the service life of the cable is prolonged, the composite anticorrosive layer 8 comprises a PVC adhesive layer 81, a polytetrafluoroethylene anticorrosive layer 82 and a PVC adhesive layer 81 which are sequentially arranged from outside to inside, wherein polytetrafluoroethylene has the advantages of sealing property, high lubrication non-viscosity, electrical insulation, good ageing resistance and excellent temperature resistance (can work for a long time at the temperature of +250 ℃ to-180 ℃), so that the anticorrosive performance of the novel cable is greatly improved, the cable can be normally used in a severe outdoor environment, the service life of the cable is greatly prolonged, the PVC adhesive layer 81 is made of polyolefin materials with good impact strength and flex resistance, excellent anti-pulling and wear-resisting properties are provided, the polytetrafluoroethylene anticorrosive layer 82 is clamped in the double-layer PVC adhesive layer 81, the wear resistance and the tensile resistance of the cable are improved, the cable is ensured not to be worn in the outdoor scene, the polytetrafluoroethylene anticorrosive layer 82 can provide excellent corrosion resistance when worn.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. The utility model provides an anticorrosive wear-resisting power cable, its characterized in that, including sinle silk (1), cable core (2) and support frame (4), cable core (2) are constituteed by a plurality of sinle silk (1), filling layer (3) and support frame (4), filling layer (3) are filled a plurality of between sinle silk (1), inside support frame (4) that are provided with of filling layer (3), support frame (4) follow cable core (2) vertical extension, cable core (2) outside is provided with around covering (5), around covering (5) outside ring is equipped with armor (6), armor (6) outside ring is equipped with second insulating layer (7), second insulating layer (7) outside ring is equipped with compound anticorrosive coating (8), compound anticorrosive coating (8) outside is equipped with outer shielding layer (9), outer shielding layer (9) outside is equipped with wear-resisting oversheath (10).

2. An anti-corrosion and wear-resistant power cable according to claim 1, wherein: the wire core (1) comprises a conductor (11), a first insulating layer (12) and a shielding layer (13), wherein the conductor (11) is a plurality of copper wires stranded with each other, the first insulating layer (12) is arranged on the outer ring of the conductor (11), and the shielding layer (13) is arranged on the outer ring of the first insulating layer (12).

3. An anti-corrosion and wear-resistant power cable according to claim 2, wherein: the shielding layer (13) is a metal braiding layer braided by a tinned soft copper strip.

4. An anti-corrosion and wear-resistant power cable according to claim 1, wherein: the wear-resistant outer sheath (10) is made of polystyrene sheath material.

5. An anti-corrosion and wear-resistant power cable according to claim 1, wherein: the composite anticorrosive layer (8) comprises a PVC adhesive layer (81), a polytetrafluoroethylene anticorrosive layer (82) and a PVC adhesive layer (81) which are sequentially arranged from outside to inside.

6. An anti-corrosion and wear-resistant power cable according to claim 1, wherein: the second insulating layer (7) is phenolic resin.

7. An anti-corrosion and wear-resistant power cable according to claim 1, wherein: the armor layer (6) is an armor woven by galvanized steel wires.