CN209747224U

CN209747224U - Prevent extrudeing cable structure

Info

Publication number: CN209747224U
Application number: CN201920660861.0U
Authority: CN
Inventors: 张建秀
Original assignee: Jiangsu Guanghui Cable Co Ltd
Current assignee: Jiangsu Guanghui Cable Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2019-12-06
Anticipated expiration: 2029-05-09

Abstract

the utility model discloses a prevent extrudeing cable structure, including the sinle silk body, the inner sheath layer has been cup jointed in the sinle silk body outside, the inner sheath layer outside is equipped with the aluminium wire shielding layer, the sponge cover has been cup jointed to aluminium wire shielding layer outside, the sponge cover outside is equipped with the steel band armor, the outer sheath layer has been cup jointed to the steel band armor outside, the sinle silk body is including copper core, first insulation silica gel layer, netted filling layer and second insulation silica gel layer, the first insulation silica gel layer cup joints in the copper core outside. When the cable was laid in bent angle department and is buckled, sponge cover and foam filling layer can have protection cable and copper core, prevent that the copper core from buckling excessively, when spacing card strip between the sinle silk body can spacing fixed sinle silk body, can also protect the sinle silk body, the setting on the inside through-hole of spacing card strip and cavity layer makes spacing card strip also have certain good performance of buckling, can prevent extrusion protection to the sinle silk body simultaneously.

Description

Prevent extrudeing cable structure

Technical Field

The utility model relates to a power cable technical field specifically is an anti-extrusion cable structure.

Background

The power cable is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater. The power cable can be divided into various cables such as fire-resistant and fireproof cables, flame-retardant cables and the like according to different types.

When power cable laid in the corner, often because the cable extrusion of buckling leads to the inside copper core of cable to be buckled the extrusion, can reduce the radius that the cable was buckled for the laying distance that reduces the cable, if buckle excessively in-process, perhaps buckle the cable hard too big, cause the copper core extrusion excessively very easily, lead to the local slight crackle that produces of copper core, influence the use of cable, lead to metal fatigue fracture when serious, so provide one kind and prevent that the problem that extrudeing cable structure solved above-mentioned appearance very necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an prevent extrudeing cable structure 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 anti-extrusion cable structure, includes the sinle silk body, the inner sheath layer has been cup jointed in the sinle silk body outside, the inner sheath layer outside is equipped with the aluminium wire shielding layer, the sponge cover has been cup jointed to the aluminium wire shielding layer outside, the sponge cover outside is equipped with the steel band armor, the outer sheath layer has been cup jointed to the steel band armor outside, the sinle silk body is including copper core, first insulation silica gel layer, netted filling layer and second insulation silica gel layer, the first insulation silica gel layer cup joints in the copper core outside, the second insulation silica gel layer cup joints a first insulation silica gel layer outside, netted filling layer is filled between first insulation silica gel layer and second insulation silica gel layer, and three are organized be equipped with spacing calorie of strip between the sinle silk body, open spacing calorie of strip outside has spacing draw-in groove, sinle silk body one side joint is inside spacing draw-in groove.

This sponge cover that sets up between inner sheath layer and the outer sheath layer has good elasticity, including the inside foam filling layer of inner sheath layer, the cable is when bending angle department lays and buckle, sponge cover and foam filling layer can have protection cable and copper core, prevent that the copper core from buckling excessively, when spacing card strip between the sinle silk body can spacing fixed sinle silk body, can also protect the sinle silk body, the inside through-hole of spacing card strip and the setting on cavity layer make spacing card strip also have certain good performance of buckling, can prevent extrusion protection to the sinle silk body simultaneously.

Preferably, the limiting clamping groove is of an arc-shaped structure, and a plurality of groups of through holes are formed in the limiting clamping groove.

The limiting clamping strip through hole is arranged, so that the limiting clamping strip has certain bending performance, and the cable is convenient to bend integrally.

Preferably, a foam filling layer is arranged between the inner sheath layer and the cable core body, and the foam filling layer is a polyurethane foam layer.

This set up and be equipped with the foam filling layer between inner sheath layer and the sinle silk body and be polyurethane foam, not only have the effect of preventing the extrusion, still have high temperature resistance simultaneously.

Preferably, the inner sheath layer and the outer sheath layer are both polyethylene protective layers.

The inner sheath and the outer sheath provided with the polyethylene protective layer have the characteristics of water resistance, insulation and flame retardance.

Preferably, a cavity layer is arranged in the middle of the limiting clamping strip.

This cavity layer in setting up spacing card strip is convenient for spacing card strip and is buckled, is also convenient for the cable wholly to buckle promptly.

preferably, the reticular filling layer is a polypropylene reticular filling rope.

The polypropylene reticular filling rope has good flame retardant property, so that the whole cable has good flame retardant property.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the core body of the present invention;

FIG. 3 is a schematic cross-sectional view of the spacing clip strip of the present invention;

Fig. 4 is a schematic side view of the limiting clip strip of the present invention.

In the figure: 1. a wire core body; 2. an inner jacket layer; 3. an aluminum wire shielding layer; 4. a sponge sleeve; 5. a steel tape armor layer; 6. an outer jacket layer; 7. a foam filling layer; 8. a copper core; 9. a first insulating silica gel layer; 10. a mesh-like filling layer; 11. a second insulating silica gel layer; 12. limiting clamping strips; 13. a cavity layer; 14. a limiting clamping groove; 15. and a through hole.

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. 1-4, the present invention provides a technical solution: an anti-extrusion cable structure comprises a cable core body 1, wherein an inner sheath layer 2 is sleeved on the outer side of the cable core body 1, an aluminum wire shielding layer 3 is arranged on the outer side of the inner sheath layer 2, a sponge sleeve 4 is sleeved on the outer side of the aluminum wire shielding layer 3, a steel belt armor layer 5 is arranged on the outer side of the sponge sleeve 4, an outer sheath layer 6 is sleeved on the outer side of the steel belt armor layer 5, the cable core body 1 comprises a copper core 8, a first insulating silica gel layer 9, a net-shaped filling layer 10 and a second insulating silica gel layer 11, the first insulating silica gel layer 9 is sleeved on the outer side of the copper core 8, the second insulating silica gel layer 11 is sleeved on the outer side of the first insulating silica gel layer 9, the net-shaped filling layer 10 is filled between the first insulating silica gel layer 9 and the second insulating silica gel layer 11, limiting clamping strips 12 are arranged between three groups of the cable core body 1, and limiting clamping grooves 14 are formed, and one side of the wire core body 1 is clamped inside the limiting clamping groove 14.

The limiting clamping groove 14 is of an arc-shaped structure, and a plurality of groups of through holes 15 are formed in the limiting clamping groove 14. Be equipped with foam filling layer 7 between inner sheath layer 2 and sinle silk body 1, foam filling layer 7 is polyurethane foam layer. The inner sheath layer 2 and the outer sheath layer 6 are both polyethylene protective layers. And a cavity layer 13 is arranged in the middle of the limiting clamping strip 12. The reticular filling layer 10 is a polypropylene reticular filling rope.

The working principle is as follows: the utility model discloses novel structure, sponge cover 4 between inner sheath layer 2 and the outer sheath layer 6 has good elasticity, including the inside foam filling layer 7 of inner sheath layer 2, the cable is laid in bent angle department when buckling, and sponge cover 4 and foam filling layer 7 can have protection cable and copper core 8, prevent that copper core 8 from buckling excessively, when spacing card strip 12 between the sinle silk body 1 can spacing fixed sinle silk body 1, can also prevent extrusion protection to sinle silk body 1, and spacing card strip 12 is also having certain good performance of buckling with setting up of cavity layer 13 to spacing through-hole 15 of 12 inside and cavity layer, can prevent extrusion protection to sinle silk body 1 simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an prevent extrudeing cable structure, includes sinle silk body (1), its characterized in that: the cable core comprises a cable core body (1), wherein an inner sheath layer (2) is sleeved on the outer side of the cable core body (1), an aluminum wire shielding layer (3) is arranged on the outer side of the inner sheath layer (2), a sponge sleeve (4) is sleeved on the outer side of the aluminum wire shielding layer (3), a steel belt armor layer (5) is arranged on the outer side of the sponge sleeve (4), an outer sheath layer (6) is sleeved on the outer side of the steel belt armor layer (5), the cable core body (1) comprises a copper core (8), a first insulating silica gel layer (9), a net-shaped filling layer (10) and a second insulating silica gel layer (11), the first insulating silica gel layer (9) is sleeved on the outer side of the copper core (8), the second insulating silica gel layer (11) is sleeved on the outer side of the first insulating silica gel layer (9), the net-shaped filling layer (10) is filled between the first insulating silica gel layer (9) and the second insulating silica gel layer (11), and a limiting clamping strip (12, spacing draw-in groove (14) have been opened in spacing card strip (12) outside, sinle silk body (1) one side joint is inside spacing draw-in groove (14).

2. The anti-extrusion cable construction of claim 1, wherein: the limiting clamping groove (14) is of an arc-shaped structure, and a plurality of groups of through holes (15) are formed in the limiting clamping groove (14).

3. The anti-extrusion cable construction of claim 1, wherein: be equipped with foam filling layer (7) between inner sheath layer (2) and sinle silk body (1), foam filling layer (7) are polyurethane foam layer.

4. The anti-extrusion cable construction of claim 1, wherein: the inner sheath layer (2) and the outer sheath layer (6) are both polyethylene protective layers.

5. The anti-extrusion cable construction of claim 1, wherein: and a cavity layer (13) is arranged in the middle of the limiting clamping strip (12).

6. The anti-extrusion cable construction of claim 1, wherein: the reticular filling layer (10) is a polypropylene reticular filling rope.