CN212032746U - Underground low-voltage power cable for burying - Google Patents

Abstract

The utility model belongs to the technical field of the cable technology and specifically relates to a bury underground low voltage power cable underground, including supporting the filler core, support filler core one side and be equipped with a plurality of mounting holes, the mounting hole inboard is all fixed and is equipped with insulating cover, and insulating cover inboard is all fixed and is equipped with the wire core, supports the fixed high strength tensile layer that is equipped with in the filler core outside, and the fixed resistance to compression supporting layer that is equipped with in high strength tensile layer outside, one side that the high strength tensile layer is close to the resistance to compression supporting layer is equipped with a plurality of evenly distributed's bar mounting groove, and bar mounting groove inboard is all fixed and. The utility model discloses, through setting up support packing core, high strength tensile layer, tensile prevent disconnected strip, resistance to compression supporting layer, support ring, interior corrosion resistant layer, protection against insects and prevent pricking layer, corrosion-resistant protective skin, make it have stronger resistance to compression, tensile, protection against insects, prevent pricking, performance such as corrosion-resistant, applicable use underground buried underground.

Description

Underground low-voltage power cable for burying

Technical Field

The utility model relates to the technical field of cables, especially, relate to an underground low voltage power cable of using underground buried.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, the cable transmits electric power or information from one place to another place, the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, the cables consist of single-stranded or multi-stranded wires and insulating layers and are used for connecting circuits, electric appliances and the like, the cable in the prior art has a simple structure and poor pressure resistance, when the cable is subjected to higher pressure, the inner structure of the cable is easy to damage, the inner wire of the cable is contacted to cause short circuit, the cable cannot be suitable for underground burying, the cable has poor corrosion resistance, is easy to be corroded by soil with corrosivity to cause damage, and the service life of the cable is shorter, and therefore, the underground burying low-voltage, for solving the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the cable structure who exists among the prior art simple, compressive property is relatively poor, when receiving great pressure, its inner structure damages easily for its inside wire contacts, causes the short circuit, can't be applicable to underground and buries underground, and corrosion resistance is relatively poor, is corroded by the earth that has corrosivity easily, causes the damage, and the shortcoming that the life-span is shorter, and the underground low pressure power cable of burying underground who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a low-voltage power cable for underground burying, which comprises a supporting and filling core, wherein one side of the supporting and filling core is provided with a plurality of mounting holes, the inner sides of the mounting holes are fixedly provided with insulating sleeves, the inner sides of the insulating sleeves are fixedly provided with wire cores, the outer side of the supporting and filling core is fixedly provided with a high-strength tensile layer, the outer side of the high-strength tensile layer is fixedly provided with a compression supporting layer, one side of the high-strength tensile layer, which is close to the compression supporting layer, is provided with a plurality of uniformly distributed bar-shaped mounting grooves, the inner sides of the bar-shaped mounting grooves are fixedly provided with tensile breaking-preventing strips, one side of the compression supporting layer, which is close to the high-strength tensile layer, is provided with a plurality of uniformly distributed ring grooves, the inner sides of the ring grooves are fixedly provided with supporting rings, one side, the anti-corrosion device is characterized in that one side, away from the moisture-proof layer, of the inner corrosion-resistant layer is fixedly provided with an anti-insect anti-prick layer, and one side, away from the inner corrosion-resistant layer, of the anti-insect anti-prick layer is fixedly provided with a corrosion-resistant protective outer skin.

Preferably, the insect-proof and puncture-proof layer is made of a metal woven net.

Preferably, the inner sides of the support rings are fixedly connected to one side of the tensile anti-breaking strip.

Preferably, the support rings are made of spring steel.

Preferably, the inner corrosion-resistant layer and the corrosion-resistant protective outer skin are both made of polyvinyl chloride synthetic materials.

The utility model provides an underground bury underground and use low voltage power cable, beneficial effect lies in: the anti-corrosion wire core has the advantages that the anti-corrosion wire core has the functions of supporting and separating by arranging the supporting filling core, the insulating sleeve and the wire core, can prevent the wire cores from contacting with each other so as to avoid short circuit, has stronger tensile property by arranging the high-strength tensile layer and the tensile anti-breaking strip, can prevent the wire cores from being broken due to larger tension, has anti-breaking property, has stronger anti-compression property by arranging the anti-compression supporting layer and the supporting ring, can protect the internal structure of the wire core and prevent the internal structure of the wire core from being crushed, has moisture-proof property by arranging the moisture-proof layer, has corrosion-resistant property by arranging the inner corrosion-resistant layer, can protect the internal structure of the wire core and prevent the internal structure of the wire core from being corroded and damaged, has insect and prick prevention properties by arranging the insect and puncture-proof layer, can protect the inner corrosion-resistant layer from being damaged, and can prevent, the anti-corrosion coating has double anti-corrosion performance, thereby greatly prolonging the service life of the anti-corrosion coating, and even if the anti-corrosion protective outer skin is damaged, the inner anti-corrosion coating can continue to protect the inner structure of the anti-corrosion coating, can be suitable for being buried underground for use, and has stronger anti-pressure, tensile, insect prevention, anti-prick, anti-corrosion and other performances.

Drawings

Fig. 1 is a schematic view of a front axial measurement structure of an underground low-voltage power cable provided by the present invention;

FIG. 2 is a schematic diagram of a side-cut axial-measurement structure of a low-voltage power cable for underground burying according to the present invention;

fig. 3 is a schematic view of a partially enlarged structure of a region a in fig. 2 according to the present invention;

fig. 4 is a schematic view of a sectioning axial structure of the compression-resistant supporting layer provided in the present invention;

fig. 5 is a schematic view of the front axial measurement structure of the insect-proof and puncture-proof layer of the present invention.

In the figure: the anti-corrosion and anti-puncture device comprises a supporting and filling core 1, an insulating sleeve 2, a wire core 3, a high-strength tensile layer 4, a compression-resistant supporting layer 5, a tensile anti-breaking strip 6, an annular groove 7, a supporting ring 8, a damp-proof layer 9, an inner anti-corrosion layer 10, an anti-insect anti-puncture layer 11 and an anti-corrosion protective outer skin 12.

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. 1-5, a low voltage power cable for underground burying comprises a supporting and filling core 1, wherein a plurality of mounting holes are formed in one side of the supporting and filling core 1, insulating sleeves 2 are fixedly arranged on the inner sides of the mounting holes, and conductor cores 3 are fixedly arranged on the inner sides of the insulating sleeves 2, so that the low voltage power cable has supporting and separating functions, and can prevent the conductor cores 3 from contacting with each other, thereby avoiding short circuit, a high-strength tensile layer 4 is fixedly arranged on the outer side of the supporting and filling core 1, a compression supporting layer 5 is fixedly arranged on the outer side of the high-strength tensile layer 4, a plurality of uniformly distributed bar-shaped mounting grooves are formed in one side of the high-strength tensile layer 4 close to the compression supporting layer 5, tensile breaking-proof strips 6 are fixedly arranged on the inner sides of the bar-shaped mounting grooves, so that the low voltage power cable has strong tensile property, can prevent breakage due to large tensile force, the inner sides of the annular grooves 7 are fixedly provided with support rings 8, so that the annular grooves have high pressure resistance, the internal structures of the annular grooves can be protected, the internal structures of the annular grooves can be prevented from being crushed, and the support rings 8 are made of spring steel.

The inner sides of the support rings 8 are fixedly connected to one side of the tensile breaking-resistant strips 6, one side of the compression-resistant support layer 5, which is far away from the high-strength tensile layer 4, is fixedly provided with a moisture-proof layer 9, so that the moisture-proof layer has moisture-proof performance, one side of the moisture-proof layer 9, which is far away from the compression-resistant support layer 5, is fixedly provided with an inner corrosion-resistant layer 10, so that the moisture-proof layer has corrosion-resistant performance, the inner structure of the compression-resistant support layer can be protected, so that the inner structure can be prevented from being damaged by corrosion, one side of the inner corrosion-resistant layer 10, which is far away from the moisture-proof layer 9, is fixedly provided with an insect-proof and puncture-proof layer 11, which is made of a metal woven mesh material, so that the insect-proof and puncture-proof layers have insect-proof and puncture-proof performances, the inner corrosion-resistant layer 10 can be prevented from being damaged, the corrosion-resistant protective outer skin 12 is made of polyvinyl chloride synthetic material, and the inner corrosion-resistant layer 10 is suitable for being buried underground.

The utility model has the advantages that when in use, the supporting filling core 1, the insulating sleeve 2 and the conductor core 3 are arranged to have the supporting and separating functions, the contact between the conductor cores 3 can be prevented, thereby avoiding short circuit, the high-strength tensile layer 4 and the tensile anti-breaking strip 6 are arranged to have stronger tensile property, the fracture caused by larger tensile force can be prevented, the anti-breaking performance is realized, the anti-breaking support layer 5 and the support ring 8 are arranged to have stronger compressive property, thereby protecting the internal structure, preventing the internal structure from being crushed, the moisture-proof layer 9 is arranged to have the moisture-proof performance, the internal corrosion-resistant layer 10 is arranged to have the corrosion-proof performance, the internal structure can be protected, the internal structure can be prevented from being corroded and damaged, the insect-proof and prick-proof performance is realized by arranging the insect-proof and puncture-proof layer 11, the internal corrosion-resistant performance can be protected, the internal corrosion-resistant layer 10 can not be damaged, through setting up corrosion-resistant protection crust 12, make it have dual corrosion resisting property to improve its life greatly, and even corrosion-resistant protection crust 12 is destroyed, interior corrosion-resistant layer 10 also can continue to protect its inner structure, and applicable bury underground and use has stronger resistance to compression, tensile, protection against insects, prevents pricking, corrosion-resistant performance etc..

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an underground low-voltage power cable for burying underground, includes supports packing core (1), its characterized in that, support packing core (1) one side and be equipped with a plurality of mounting holes, the mounting hole inboard is all fixed and is equipped with insulating cover (2), insulating cover (2) inboard is all fixed and is equipped with wire core (3), support packing core (1) outside is fixed and is equipped with high strength tensile layer (4), high strength tensile layer (4) outside is fixed and is equipped with resistance to compression supporting layer (5), one side that high strength tensile layer (4) are close to resistance to compression supporting layer (5) is equipped with a plurality of evenly distributed's bar mounting groove, bar mounting groove inboard all is fixed and is equipped with tensile anti-breaking strip (6), one side that resistance to compression supporting layer (5) are close to high strength tensile layer (4) is equipped with a plurality of evenly distributed's ring channel (7), ring channel (7) inboard all is fixed and, the fixed dampproof course (9) that is equipped with in one side that keeps away from high strength tensile layer (4) resistance to compression supporting layer (5), fixed interior corrosion resistant layer (10) that is equipped with in one side that keeps away from resistance to compression supporting layer (5) of dampproof course (9), fixed protection against insects layer (11) of preventing pricking that is equipped with in one side that dampproof course (9) were kept away from in interior corrosion resistant layer (10), fixed corrosion resistant protection crust (12) that is equipped with in one side that interior corrosion resistant layer (10) were kept away from in protection against insects layer (11).

2. A low voltage power cable for underground burying according to claim 1, wherein said insect-proof and puncture-proof layer (11) is made of metal woven mesh.

3. A buried low voltage power cable according to claim 1, wherein the inner sides of said support rings (8) are fixedly connected to one side of the tensile breaking bar (6).

4. An underground low-voltage power cable according to claim 1, characterized in that said support rings (8) are all made of spring steel composite.

5. A low-voltage power cable for underground burying according to claim 1, wherein said inner corrosion-resistant layer (10) and said corrosion-resistant protective sheath (12) are both made of polyvinyl chloride composite material.

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