CN214203266U

CN214203266U - Compound high strength single core power cable

Info

Publication number: CN214203266U
Application number: CN202023286141.4U
Authority: CN
Inventors: 孙骏; 姚祝勤; 许国中
Original assignee: JIANGSU ZHUYING SPECIAL CABLE CO Ltd
Current assignee: JIANGSU ZHUYING SPECIAL CABLE CO Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-14
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a compound high strength single core power cable relates to the relevant field of power cable, for solving the effect that current composite cable can't accomplish the buffering resistance to compression, leads to the cable damage when receiving pressure, the problem that the life that leads to the cable shortens greatly. The circumference inner wall of wearing layer bonds and has the blotter, and the one end that the wearing layer was kept away from to the blotter is provided with outer rubber ring layer. The utility model discloses in the in-process that people transported and installed the cable body, wearing layer through setting up at its outer wall can make the cable body have good wear-resisting effect, avoid the cable body to appear damaging in the in-process of haul installation, simultaneously in the long-time use of cable, can produce ozone because of corona phenomenon among the cable run, can absorb the ozone that produces through the copper sheet under the uniform temperature this moment, avoid interior rubber ring layer and outer rubber ring layer to lead to its insulating effect greatly reduced's condition because of ozone oxidation.

Description

Compound high strength single core power cable

Technical Field

The utility model relates to a power cable correlation field specifically is a single core power cable of compound high strength.

Background

The power cable is used for transmitting and distributing electric energy, is usually used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, is usually a cable similar to a rope formed by twisting a plurality of or a plurality of groups of wires, is mutually insulated among each group of wires and is usually twisted around a center, and the whole cable coated with a highly-insulated covering layer has the characteristics of internal electrification and external insulation.

The composite cable is a transportation and distribution cable made of composite materials, and the composite materials have the advantages of high strength, good designability, no creep deformation, corrosion resistance and convenience in use. But the effect of buffering resistance to compression can't be accomplished to current composite cable, leads to the cable damage when receiving pressure, leads to the life of cable to shorten greatly, can not satisfy people's user demand. Therefore, a composite type high strength single core power cable is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound high strength single core power cable to solve the effect that current composite cable that proposes in the above-mentioned background art can't accomplish the buffering resistance to compression, lead to the cable damage when receiving pressure, lead to the problem that the life of cable shortens greatly.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound high strength single core power cable, includes the wearing layer, wearing layer circumference inner wall bonds has the blotter, and the blotter one end of keeping away from the wearing layer is provided with outer rubber ring layer, one side inner wall of outer rubber ring layer bonds has the copper sheet, and one side outer wall of copper sheet bonds has interior rubber ring layer, one side inner wall of interior rubber ring layer is provided with the gasbag body, and the inside of gasbag body is provided with inert gas, one side outer wall of gasbag body is provided with the first insulation layer, and the inside on first insulation layer is provided with the cable body, one side inner wall of wearing layer and one side outer wall on outer rubber ring layer all are provided with withstand voltage subassembly.

In a further embodiment, the number of the cable bodies is four, and the four cable bodies are distributed in an equidistant circle inside the first insulating layer.

In a further embodiment, the circumferential outer wall of the cable body is wrapped with a second insulating layer, and the specification of the second insulating layer is matched with that of the cable body.

In a further embodiment, the pressure-resistant assembly comprises a first fixing groove and a second fixing groove which are arranged on the inner wall of the wear-resistant layer and the outer wall of the outer rubber ring layer.

In a further embodiment, a first fixing ball and a second fixing ball are rotatably connected to one inner wall of each of the first fixing groove and the second fixing groove, and a telescopic rod is fixedly connected to one outer wall of each of the first fixing balls.

In a further embodiment, the outer wall of the circumference of the telescopic rod is sleeved with a spring, and the outer wall of one end of the telescopic rod is welded with a lantern ring.

In a further embodiment, the outer wall of one side of the lantern ring is connected with a first connecting rod through a hinge, the outer wall of one end of the first connecting rod is rotatably connected with a second connecting rod, and one end, far away from the first connecting rod, of the second connecting rod is connected to the outer wall of the circumference of the telescopic rod through a hinge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an in through the wearing layer that sets up, outer rubber ring layer, interior rubber ring layer, copper sheet and gasbag body, in people transports the in-process with the installation to the cable body, can make the cable body have good wear-resisting effect through setting up the wearing layer at its outer wall, avoid the cable body to appear damaging at the in-process of haul installation, simultaneously in the long-time use of cable, can produce ozone because corona phenomenon in the cable run, can absorb the ozone that produces through the copper sheet under the uniform temperature this moment, avoid interior rubber ring layer and outer rubber ring layer to lead to its insulating effect greatly reduced's condition because of ozone oxidation.

2. The utility model discloses a well pressure-resistant component through setting up, when the cable body receives the extrusion, first fixed ball can drive the telescopic link and carry out concertina movement, simultaneously at the telescopic link during operation that stretches out and draws back, the spring that its outer wall cup jointed can play good buffering effect, and the lantern ring that the telescopic link outer wall cup jointed, head rod and second connecting rod combined action, stability when the telescopic link is stretched out and drawn back has been guaranteed, the first fixed ball and the second fixed ball at telescopic link both ends form respectively in first fixed slot and the inside rotation of forming of second fixed slot and connect, consequently, the shock attenuation scope of pressure-resistant component can be enlarged, people's user demand has been satisfied.

3. The utility model discloses a well gasbag body through setting up, because the inside inert gas that is filled with of gasbag body to can make the cable body have good fire prevention effect, improve the security that the cable body used.

Drawings

FIG. 1 is a schematic side sectional view of the present invention;

FIG. 2 is a schematic structural view of the pressure-resistant assembly of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a wear layer; 2. a cushion pad; 3. an outer rubber ring layer; 4. a copper sheet; 5. an airbag body; 6. a first insulating layer; 7. a cable body; 8. a second insulating layer; 9. an inner rubber ring layer; 10. a telescopic rod; 11. a spring; 12. a first fixing groove; 13. a first fixed ball; 14. a collar; 15. a first connecting rod; 16. a second fixed ball; 17. a second fixing groove; 18. a second connecting rod.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a composite high-strength single-core power cable comprises a wear-resistant layer 1, wherein a buffer pad 2 is bonded on the circumferential inner wall of the wear-resistant layer 1, an outer rubber ring layer 3 is arranged at one end, away from the wear-resistant layer 1, of the buffer pad 2, a copper sheet 4 is bonded on the inner wall of one side of the outer rubber ring layer 3, an inner rubber ring layer 9 is bonded on the outer wall of one side of the copper sheet 4, an airbag body 5 is arranged on the inner wall of one side of the inner rubber ring layer 9, inert gas is arranged inside the airbag body 5, a first insulating layer 6 is arranged on the outer wall of one side of the airbag body 5, a cable body 7 is arranged inside the first insulating layer 6, pressure-resistant components are arranged on the inner wall of one side of the wear-resistant layer 1 and the outer wall of one side of the outer rubber ring layer 3, the cable body 7 can have a good wear-resistant effect in the process of transporting and installing the cable body 7 by people, and the damage of the cable body 7 in the process of hauling and installing is avoided, simultaneously in the long-time use of cable, can produce ozone because corona phenomenon in the cable line, can absorb the ozone that produces through copper sheet 4 under the uniform temperature this moment, avoid interior rubber ring layer 9 and outer rubber ring layer 3 to lead to its insulating effect greatly reduced's condition because of ozone oxidation.

Further, the number of the cable bodies 7 is four, and the four cable bodies 7 are distributed in a circular shape at equal intervals inside the first insulating layer 6.

Further, the outer wall of the circumference of the cable body 7 is wrapped with a second insulating layer 8, and the specification of the second insulating layer 8 is matched with that of the cable body 7.

Further, the pressure-resistant assembly includes a first fixing groove 12 and a second fixing groove 17 which are formed on the inner wall of the wear-resistant layer 1 and the outer wall of the outer rubber ring layer 3.

Further, the inner walls of one sides of the first fixing groove 12 and the second fixing groove 17 are rotatably connected with a first fixing ball 13 and a second fixing ball 16, and the outer wall of one side of the first fixing ball 13 is fixedly connected with a telescopic rod 10.

Further, the circumference outer wall of telescopic link 10 has cup jointed spring 11, and the welding of the one end outer wall of telescopic link 10 has lantern ring 14.

Further, the outer wall of one side of the lantern ring 14 is connected with a first connecting rod 15 through a hinge, the outer wall of one end of the first connecting rod 15 is connected with a second connecting rod 18 in a rotating mode, one end, far away from the first connecting rod 15, of the second connecting rod 18 is connected to the outer wall of the circumference of the telescopic rod 10 through a hinge, and therefore the cable body 7 can have good pressure resistance.

The working principle is as follows: when the cable is used, in the process of transporting and installing the cable body 7 by people, the cable body 7 can have a good wear-resistant effect through the wear-resistant layer 1 arranged on the outer wall of the cable body, the cable body 7 is prevented from being damaged in the process of hauling and installing, meanwhile, in the long-time use process of the cable, ozone can be generated in a cable line due to corona phenomenon, the generated ozone can be absorbed through the copper sheet 4 at a certain temperature, the condition that the insulation effect of the inner rubber ring layer 9 and the outer rubber ring layer 3 is greatly reduced due to ozone oxidation is avoided, when the cable body 7 is extruded, the first fixing ball 13 can drive the telescopic rod 10 to perform telescopic motion, and meanwhile, when the telescopic rod 10 performs telescopic work, the spring 11 sleeved on the outer wall of the telescopic rod can play a good buffering effect, and the lantern ring 14 sleeved on the outer wall of the telescopic rod 10, the first connecting rod 15 and the second connecting rod 18 act together, the stability when telescopic link 10 is flexible has been guaranteed, the first fixed ball 13 and the second fixed ball 16 at telescopic link 10 both ends form respectively in first fixed slot 12 and the inside rotation of forming of second fixed slot 17 and connect, consequently can enlarge withstand voltage subassembly's shock attenuation scope, people's user demand has been satisfied, because gasbag body 5 is inside to be filled with a large amount of inert gas, thereby can make cable body 7 have good fire prevention effect, the security that cable body 7 used has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a compound high strength single core power cable, includes wearing layer (1), its characterized in that: the utility model discloses a cable insulation structure, including wearing layer (1), copper sheet (4), inner gasket layer (9), first insulation layer (6), cable body (7), wearing layer (1) circumference inner wall bonds and has blotter (2), and the one end that wearing layer (1) was kept away from in blotter (2) is provided with outer rubber ring layer (3), one side inner wall of outer rubber ring layer (3) bonds and has copper sheet (4), and one side outer wall of copper sheet (4) bonds and has interior rubber ring layer (9), one side inner wall of interior rubber ring layer (9) is provided with gasbag body (5), and the inside of gasbag body (5) is provided with inert gas, one side outer wall of gasbag body (5) is provided with first insulation layer (6), and the inside of first insulation layer (6) is provided with cable body (7), one side inner wall of wearing layer (1) and one side outer wall of outer rubber ring layer (3) all are provided with withstand voltage subassembly.

2. A composite high strength single core power cable according to claim 1, characterized in that: the number of the cable bodies (7) is four, and the four cable bodies (7) are distributed in a circle at equal intervals in the first insulating layer (6).

3. A composite high strength single core power cable according to claim 2, characterized in that: the cable is characterized in that the outer wall of the circumference of the cable body (7) is wrapped by a second insulating layer (8), and the specification of the second insulating layer (8) is matched with that of the cable body (7).

4. A composite high strength single core power cable according to claim 3, characterized in that: the pressure-resistant assembly comprises a first fixing groove (12) and a second fixing groove (17) which are formed in the inner wall of one side of the wear-resistant layer (1) and the outer wall of one side of the outer rubber ring layer (3).

5. A composite high strength single core power cable according to claim 4, characterized in that: the inner wall of one side of the first fixing groove (12) and the inner wall of one side of the second fixing groove (17) are both rotatably connected with a first fixing ball (13) and a second fixing ball (16), and the outer wall of one side of the first fixing ball (13) is fixedly connected with a telescopic rod (10).

6. A composite high strength single core power cable according to claim 5, characterized in that: the spring (11) is sleeved on the outer wall of the circumference of the telescopic rod (10), and a lantern ring (14) is welded on the outer wall of one end of the telescopic rod (10).

7. A composite high strength single core power cable according to claim 6, characterized in that: the outer wall of one side of the lantern ring (14) is connected with a first connecting rod (15) through a hinge, the outer wall of one end of the first connecting rod (15) is connected with a second connecting rod (18) in a rotating mode, and one end, far away from the first connecting rod (15), of the second connecting rod (18) is connected to the outer wall of the circumference of the telescopic rod (10) through a hinge.