CN213877614U

CN213877614U - Overhead insulating tape steel core cable

Info

Publication number: CN213877614U
Application number: CN202022749225.0U
Authority: CN
Inventors: 徐文品
Original assignee: Jiangsu Jingwei Cable Co ltd
Current assignee: Jiangsu Jingwei Cable Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-03
Anticipated expiration: 2030-11-25

Abstract

The utility model particularly relates to an overhead insulated wire steel core cable, including the steel core cable body, the inside of steel core cable body is equipped with cable oversheath layer, the inner wall of first band layer is equipped with the armor, the inside of second band layer evenly is equipped with the steel core main part, be equipped with the filling layer between steel core main part and the second band layer, the outer periphery of steel core conductor all is equipped with outer semiconductor shield, the utility model discloses when using, through outer semiconductor shield for the setting of metallized paper or semiconductor paper tape, in order to make insulating layer and metal sheath have better contact, its to the ground is mostly born by air medium, and the insulating properties of overhead cable is higher from this, and obviously is superior to general ordinary oilpaper and crosslinked cable, through first band layer and second band layer can bear polytetrafluoroethylene cable, have temperature resistance and not melt the band and warp, the overhead insulating cable with the steel core has good corrosion resistance.

Description

Overhead insulating tape steel core cable

Technical Field

The utility model belongs to the technical field of the teaching aid is used with the social course to article moral, concretely relates to overhead insulated tape steel core cable.

Background

Cables are made of one or more mutually insulated conductors and an outer insulating sheath that carries power or information from one point to another. Typically rope-like cables made up of several or groups of at least two twisted wires, each group insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. The overhead cable (full-name overhead insulated cable) is an overhead conductor with an insulating layer and a protective sheath, is a special cable manufactured by adopting a production process similar to a crosslinked cable, is a new power transmission mode between the overhead conductor and an underground cable, is insulated by a high-voltage overhead cable, and can safely work under sunlight irradiation for a long time only by meeting high electrical performance requirements and requiring good weather resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overhead insulated tape steel core cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an overhead insulated wire steel core cable, includes the steel core cable body, the inside of steel core cable body is equipped with cable oversheath layer, the inner wall of cable oversheath layer is equipped with first band layer, the inner wall of band layer is equipped with the armor, the inner wall connection of armor has the separation jacket layer, the inner wall connection of separation jacket layer has inner sheath layer, inner sheath layer's inner wall connection has the second band layer, the inside of second band layer evenly is equipped with the steel core main part, be equipped with the filling layer between steel core main part and the second band layer, the inside of steel core main part is equipped with the middle-end and is equipped with the bolster, evenly be equipped with the steel core conductor between bolster and the steel core main part, the outer periphery of steel core conductor all is equipped with outer semiconductor shielding layer, it is equipped with the glass fiber layer to fill between the steel core conductor.

As a further optimization of the technical scheme, the left side and the right side of the outer portion of the steel core cable body are provided with connecting arc caulking grooves, and the upper surface and the lower surface of the steel core cable body are provided with connecting arc convex blocks.

As a further optimization of the technical scheme, the filling layer is formed by filling the inside of the net-shaped glass fiber rope.

As a further optimization of the technical scheme, the first wrapping layer and the second wrapping layer are polytetrafluoroethylene cable wrapping tapes, and the polytetrafluoroethylene cable wrapping tapes are polytetrafluoroethylene dispersion resin.

As a further optimization of the technical scheme, the outer semiconductor shielding layer is metallized paper or a semiconductor paper tape.

As a further optimization of the technical scheme, the armor layer is a galvanized steel wire, and the galvanized steel wire is made of low-carbon steel hot-rolled circular strips.

As further optimization of the technical scheme, the corrosion-resistant layer is sprayed outside the steel core cable body.

The utility model discloses a technological effect and advantage: the aerial insulated tape steel core cable is simple in structure, high in power supply reliability and good in power supply safety, the connecting arc caulking grooves are formed in the left side and the right side of the outer portion of the steel core cable body, the connecting arc protruding blocks are arranged on the upper surface and the lower surface of the steel core cable body, so that aerial installation of a plurality of cables is convenient to assemble, winding is not prone to occurring, maintenance is convenient, the metallized paper or semiconductor paper tape is arranged through the outer semiconductor shielding layer, in order to enable the insulating layer to be in good contact with the metal sheath, the insulating property of the aerial insulated tape is high and is obviously superior to that of common oil paper and cross-linked cables, the polytetrafluoroethylene cable tape is arranged through the first tape layer and the second tape layer, the polytetrafluoroethylene cable tape is made of polytetrafluoroethylene dispersion resin, and the aerial insulated tape has the temperature resistance, does not melt and deform, the aerial insulated steel core cable has the advantages of good corrosion resistance, vulcanization resistance and temperature resistance, and is an ideal aerial insulated steel core cable medium material, so that the steel core cable has higher cable strength and can bear higher pressure.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic view of the internal cross-sectional structure of the steel core body of the present invention.

In the figure: 1. a steel core cable body; 2. connecting the arc caulking grooves; 3. connecting the arc bumps; 4. a cable outer jacket layer; 5. a first wrapping layer; 6. an isolation jacket layer; 7. an inner jacket layer; 8. a second band layer; 9. a filling layer; 10. an armor layer; 11. a steel core body; 12. a glass fiber layer; 13. a steel core conductor; 14. a buffer member; 15. an outer semiconductor shield layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an overhead insulated strip steel core cable comprises a steel core cable body 1, connecting arc caulking grooves 2 are arranged on the left side and the right side of the outer portion of the steel core cable body 1, connecting arc convex blocks 3 are arranged on the upper surface and the lower surface of the steel core cable body 1, a corrosion resistant layer is sprayed on the outer portion of the steel core cable body 1, a cable outer sheath layer 4 is arranged inside the steel core cable body 1, a first wrapping layer 5 is arranged on the inner wall of the cable outer sheath layer 4, an armor layer 10 is arranged on the inner wall of the first wrapping layer 5, the armor layer 10 is a galvanized steel wire and is made of low-carbon steel hot-rolled disc strips, an isolation sleeve layer 6 is connected to the inner wall of the armor layer 10, an inner sheath layer 7 is connected to the inner wall of the isolation sleeve layer 6, a second wrapping layer 8 is arranged on the inner wall of the inner sheath layer 7, the first wrapping layer 5 and the second wrapping layer 8 are polytetrafluoroethylene cable wrapping strips, and polytetrafluoroethylene cable wrapping strips are polytetrafluoroethylene dispersion resin, the steel core main body 11 is uniformly arranged inside the second wrapping layer 8, the filling layer 9 is arranged between the steel core main body 11 and the second wrapping layer 8, the filling layer 9 is formed by filling reticular glass fiber ropes, the middle end of the steel core main body 11 is provided with the buffer 14, the steel core conductors 13 are uniformly arranged between the buffer 14 and the steel core main body 11, the outer circumferential surfaces of the steel core conductors 13 are respectively provided with the outer semiconductor shielding layer 15, the outer semiconductor shielding layers 15 are made of metalized paper or semiconductor paper tapes, and the glass fiber layers 12 are filled between the steel core conductors 13.

Specifically, the left side and the right side of the outside of the steel-cored cable body 1 are provided with connecting arc caulking grooves 2 during use, the upper surface and the lower surface of the steel-cored cable body 1 are provided with connecting arc bumps 3, the overhead installation of a plurality of cables is convenient to assemble, the winding is not easy to occur, the maintenance is convenient, the outer semiconductor shielding layer 15 is made of metalized paper or semiconductor paper tape, in order to enable the insulating layer to be in better contact with the metal sheath, the most part of the insulating layer is born by an air medium, the insulating property of the overhead cable is higher, the insulating property of the overhead cable is obviously superior to that of common oil paper and crosslinked cables, the first wrapping layer 5 and the second wrapping layer 8 are polytetrafluoroethylene cable wrapping belts, the polytetrafluoroethylene cable wrapping belts are made of polytetrafluoroethylene dispersion resin, the temperature resistance can be realized, the temperature resistance can be born by 230 ℃ without melting or deforming, and the overhead insulating steel-cored cable has good corrosion resistance, The cable dielectric material has the advantages of vulcanization resistance and temperature resistance, and is an ideal overhead insulating cable dielectric material with the steel core.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an overhead insulating tape steel core cable, includes steel core cable body (1), its characterized in that: the cable comprises a steel core cable body (1), wherein a cable outer sheath layer (4) is arranged inside the steel core cable body (1), a first wrapping layer (5) is arranged on the inner wall of the cable outer sheath layer (4), an armor layer (10) is arranged on the inner wall of the first wrapping layer (5), an isolation sleeve layer (6) is connected to the inner wall of the armor layer (10), an inner sheath layer (7) is connected to the inner wall of the isolation sleeve layer (6), a second wrapping layer (8) is connected to the inner wall of the inner sheath layer (7), a steel core main body (11) is uniformly arranged inside the second wrapping layer (8), a filling layer (9) is arranged between the steel core main body (11) and the second wrapping layer (8), a buffer member (14) is arranged at the middle end of the steel core main body (11), a steel core conductor (13) is uniformly arranged between the buffer member (14) and the steel core main body (11), an outer semiconductor shielding layer (15) is arranged on the outer circumferential surface of the steel core conductor (13), and a glass fiber layer (12) is filled between the steel core conductors (13).

2. An overhead insulated steel-cored cable according to claim 1, wherein: the cable comprises a steel core cable body (1), and is characterized in that connecting arc caulking grooves (2) are arranged on the left side and the right side of the outer portion of the steel core cable body (1), and connecting arc convex blocks (3) are arranged on the upper surface and the lower surface of the steel core cable body (1).

3. An overhead insulated steel-cored cable according to claim 1, wherein: the inside of the filling layer (9) is formed by filling reticular glass fiber ropes.

4. An overhead insulated steel-cored cable according to claim 1, wherein: the first wrapping layer (5) and the second wrapping layer (8) are polytetrafluoroethylene cable wrapping belts, and the polytetrafluoroethylene cable wrapping belts are polytetrafluoroethylene dispersion resin.

5. An overhead insulated steel-cored cable according to claim 1, wherein: the outer semiconductor shielding layer (15) is metallized paper or a semiconductor paper tape.

6. An overhead insulated steel-cored cable according to claim 1, wherein: the armor layer (10) is a galvanized steel wire, and the galvanized steel wire is made of low-carbon steel hot-rolled disc strips.

7. An overhead insulated steel-cored cable according to claim 1, wherein: the steel core cable is characterized in that a corrosion-resistant layer is arranged outside the steel core cable body (1) in a spraying mode.