CN217157785U - Anti-aging and anti-deformation aerial cable - Google Patents

Abstract

The utility model discloses an anti-aging and anti-deformation aerial cable, which comprises a durable layer, a waterproof layer, an insulating layer, a mica layer, an outer anti-bending layer, an anti-bending lug, an inner anti-bending layer, an anti-bending concave block, a reinforcing rib, a protective layer, a reinforced cable core and a power-on cable core; the reinforcing cable core is arranged at the center of the cable, and the outer side of the reinforcing cable core is provided with a power-on cable core; the outer side of the electrified cable core is provided with a protective layer, the outer side of the protective layer is provided with an inner bending-resistant layer, and the outer side of the inner bending-resistant layer is provided with an outer bending-resistant layer; a mica layer is arranged on the outer side of the outer bending-resistant layer, the mica layer is wrapped on the outer wall of the outer bending-resistant layer, an insulating layer is arranged on the outer side of the mica layer, the insulating layer is wrapped on the outer side of the mica layer, a waterproof layer is arranged on the outer side of the insulating layer, the waterproof layer is wrapped on the outer wall of the insulating layer, a durable layer is arranged on the outer side of the waterproof layer, and the durable layer is wrapped on the outer side of the waterproof layer; the anti-aging and anti-deformation aerial cable can effectively improve the anti-aging and anti-deformation performance of the cable, and is convenient to use.

Description

Anti-aging and anti-deformation aerial cable

Technical Field

The utility model relates to a cable field, in particular to aerial [ insulated ] cable of ageing resistance anti-deformation.

Background

The overhead cable (full-name overhead insulated cable) is an overhead conductor with an insulating layer and a protective sheath, adopts a special cable which is similar to a crosslinked cable production process and is a new power transmission mode between the overhead conductor and an underground cable, and the overhead cable is single-core and can be divided into a duralumin wire structure, a harddrawing copper wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core thread structure (the wire core can be duralumin or duralumin wire) and the like according to different structures. The power supply system has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like. The main technical parameters comprise weather resistance, insulation level, inner and outer semi-conductive shielding layers. The overhead cable has wide transmission application at home and abroad. The existing overhead cable has the following defects: the aging resistance and the deformation resistance of the overhead cable are insufficient, and the requirements of life and production power supply cannot be met; therefore, there is a need for an anti-aging and anti-deformation aerial cable that meets the above needs.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an aerial [ insulated ] cable of ageing resistance anti-deformation can effectively solve the problem among the background art.

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

an anti-aging and anti-deformation aerial cable comprises a durable layer, a waterproof layer, an insulating layer, a mica layer, an outer anti-bending layer, anti-bending lugs, an inner anti-bending layer, anti-bending concave blocks, reinforcing ribs, a protective layer, a reinforced cable core and an electrified cable core; the reinforced cable core is arranged in the center of the cable, and the outer side of the reinforced cable core is provided with an electrified cable core, wherein the electrified cable core consists of a plurality of strands of copper core wires, eight groups of electrified cable cores are arranged in total, and the eight groups of electrified cable cores are stranded on the outer side of the reinforced cable core; a protective layer is arranged on the outer side of the electrified cable core, the protective layer is made of rubber, and a fireproof coating is sprayed on the inner wall of the protective layer; an inner anti-bending layer is arranged on the outer side of the protective layer; an outer bending-resistant layer is arranged on the outer side of the inner bending-resistant layer; a mica layer is arranged on the outer side of the outer bending-resistant layer, the mica layer is wrapped on the outer wall of the outer bending-resistant layer, an insulating layer is arranged on the outer side of the mica layer, the insulating layer is wrapped on the outer side of the mica layer, a waterproof layer is arranged on the outer side of the insulating layer, the waterproof layer is wrapped on the outer wall of the insulating layer, a durable layer is arranged on the outer side of the waterproof layer, and the durable layer is wrapped on the outer side of the waterproof layer; the insulating layer is a silicon rubber insulating layer; the waterproof layer is made of a synthetic polymer waterproof coating film; the durable layer is made of EVA emulsion, and the EVA emulsion is tightly coated on the outer surface of the waterproof layer.

Preferably, the inner bending-resistant layer is internally provided with a reinforcing rib, the outer side of the inner bending-resistant layer is provided with a bending-resistant lug, and the inner bending-resistant lug is arranged on the inner bending-resistant layer at the outer side of the reinforcing rib.

Preferably, the inner side of the outer bending-resistant layer is provided with bending-resistant concave blocks, and the bending-resistant convex blocks and the bending-resistant concave blocks are meshed with each other in a staggered manner.

Preferably, eighteen groups of reinforcing ribs are uniformly distributed in the inner bending-resistant layer, and the reinforcing ribs are made of high-toughness materials.

Compared with the prior art, the utility model discloses following beneficial effect has: the anti-aging and anti-deformation inner durable layer of the aerial cable is used for improving the anti-aging performance of the cable and preventing the cable from aging; the waterproof layer is used for preventing moisture from entering the cable, so that the cable is prevented from aging, and the service life of the cable is prolonged; the insulating layer is used for carrying out insulating treatment on the cable to avoid electric leakage; the mica layer is used for improving the insulativity and heat resistance of the cable, and the acid resistance, alkali resistance, compression resistance and stripping performance; the inner bending-resistant layer and the outer bending-resistant layer are used for improving the bending resistance and the deformation resistance of the cable; the anti-deformation performance of the cable is further improved by the arrangement of the anti-bending convex blocks and the anti-bending concave blocks, and the reinforcing ribs are used for improving the toughness and the anti-deformation performance of the cable; the protective layer is used for protecting the electrified cable core and improving the fire resistance and the insulativity of the cable; the electrified cable core is used for improving the conductivity of the cable, and the reinforced cable core is used for supporting the electrified cable core and improving the anti-deformation capability of the cable; the anti-aging and anti-deformation aerial cable can effectively improve the anti-aging and anti-deformation performance of the cable, and is convenient to use.

Drawings

Fig. 1 is the utility model discloses an overall structure schematic diagram of ageing resistance anti-deformation's aerial [ insulated ] cable.

Fig. 2 is the utility model discloses a horizontal section structure schematic diagram in aerial [ insulated ] cable of ageing resistance anti-deformation.

In the figure: 1. a durable layer; 2. a waterproof layer; 3. an insulating layer; 4. a mica layer; 5. an outer anti-buckling layer; 6. a bending-resistant bump; 7. an inner anti-buckling layer; 8. bending-resistant concave blocks; 9. reinforcing ribs; 10. a protective layer; 11. reinforcing the cable core; 12. and electrifying the cable core.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, an anti-aging and anti-deformation aerial cable comprises a durable layer 1, a waterproof layer 2, an insulating layer 3, a mica layer 4, an outer anti-bending layer 5, an anti-bending bump 6, an inner anti-bending layer 7, an anti-bending concave block 8, a reinforcing rib 9, a protective layer 10, a reinforced cable core 11 and an electrified cable core 12; the reinforced cable core 11 is arranged at the center of the cable, the electrified cable core 12 is arranged on the outer side of the reinforced cable core 11, the electrified cable core 12 is composed of a plurality of strands of copper core wires, eight groups of electrified cable cores 12 are arranged in total, and the eight groups of electrified cable cores 12 are twisted on the outer side of the reinforced cable core 11 and used for increasing the conductivity; a protective layer 10 is arranged on the outer side of the electrified cable core 12, the protective layer 10 is made of rubber, and a fireproof coating is sprayed on the inner wall of the protective layer 10 and used for protecting the electrified cable core 12; an inner anti-bending layer 7 is arranged on the outer side of the protective layer 10, reinforcing ribs 9 are arranged in the inner anti-bending layer 7, anti-bending bumps 6 are arranged on the outer side of the inner anti-bending layer 7, and the inner anti-bending bumps 6 are arranged on the inner anti-bending layer 7 on the outer side of the reinforcing ribs 9; the outer side of the inner bending-resistant layer 7 is provided with an outer bending-resistant layer 5, the inner side of the outer bending-resistant layer 5 is provided with bending-resistant concave blocks 8, and the bending-resistant convex blocks 6 and the bending-resistant concave blocks 8 are meshed with each other in a staggered manner; a mica layer 4 is arranged on the outer side of the outer bending-resistant layer 5, the mica layer 4 is wrapped on the outer wall of the outer bending-resistant layer 5, an insulating layer 3 is arranged on the outer side of the mica layer 4, the insulating layer 3 is wrapped on the outer side of the mica layer 4, a waterproof layer 2 is arranged on the outer side of the insulating layer 3, the waterproof layer 2 is wrapped on the outer wall of the insulating layer 3, a durable layer 1 is arranged on the outer side of the waterproof layer 2, and the durable layer 1 is wrapped on the outer side of the waterproof layer 2; eighteen groups of reinforcing ribs 9 are arranged, the eighteen groups of reinforcing ribs 9 are uniformly distributed in the inner bending-resistant layer 7, and the reinforcing ribs 9 are made of high-toughness materials and are used for improving the toughness and the deformation resistance of the cable; the insulating layer 3 is a silicon rubber insulating layer 3 and is used for insulating the cable to avoid electric leakage; the waterproof layer 2 is made of a synthetic polymer waterproof coating film and is used for preventing moisture from entering the cable, further preventing the cable from aging and prolonging the service life of the cable; durable layer 1 adopts the EVA emulsion to make, and the EVA emulsion closely coats on waterproof layer 2's surface for improve the ageing resistance of cable, prevent that the cable is ageing.

It should be noted that, the utility model relates to an anti-aging and anti-deformation aerial cable, when in use, the durable layer 1 is used for improving the anti-aging performance of the cable and preventing the cable from aging; the waterproof layer 2 is used for preventing moisture from entering the cable, so that the cable is prevented from aging, and the service life of the cable is prolonged; the insulating layer 3 is used for carrying out insulating treatment on the cable to avoid electric leakage; the mica layer 4 is used for improving the insulativity and heat resistance of the cable, and the acid resistance, alkali resistance, compression resistance and stripping performance; the inner bending-resistant layer 7 and the outer bending-resistant layer 5 are used for improving the bending resistance and the deformation resistance of the cable; the anti-deformation performance of the cable is further improved by the arrangement of the anti-bending convex blocks 6 and the anti-bending concave blocks 8, and the reinforcing ribs 9 are used for improving the toughness and the anti-deformation performance of the cable; the protective layer 10 is used for protecting the electrified cable core 12 and improving the fire resistance and the insulation performance of the cable; the electrified cable core 12 is used for improving the electric conductivity of the cable, and the reinforced cable core 11 is used for supporting the electrified cable core 12 and improving the deformation resistance of the cable.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. An anti-aging and anti-deformation aerial cable comprises a durable layer (1), a waterproof layer (2), an insulating layer (3), a mica layer (4), an outer anti-bending layer (5), anti-bending lugs (6), an inner anti-bending layer (7), anti-bending concave blocks (8), reinforcing ribs (9), a protective layer (10), a reinforced cable core (11) and an electrified cable core (12); the method is characterized in that: the reinforced cable core (11) is arranged at the center of the cable, the power-on cable core (12) is arranged on the outer side of the reinforced cable core (11), the power-on cable core (12) is composed of a plurality of strands of copper core wires, eight groups of power-on cable cores (12) are totally arranged, and the eight groups of power-on cable cores (12) are twisted on the outer side of the reinforced cable core (11); a protective layer (10) is arranged on the outer side of the electrified cable core (12), the protective layer (10) is made of rubber, and a fireproof coating is sprayed on the inner wall of the protective layer (10); an inner anti-bending layer (7) is arranged on the outer side of the protective layer (10); an outer bending-resistant layer (5) is arranged on the outer side of the inner bending-resistant layer (7); a mica layer (4) is arranged on the outer side of the outer bending-resistant layer (5), the mica layer (4) is wrapped on the outer wall of the outer bending-resistant layer (5), an insulating layer (3) is arranged on the outer side of the mica layer (4), the insulating layer (3) is wrapped on the outer side of the mica layer (4), a waterproof layer (2) is arranged on the outer side of the insulating layer (3), the waterproof layer (2) is wrapped on the outer wall of the insulating layer (3), a durable layer (1) is arranged on the outer side of the waterproof layer (2), and the durable layer (1) is wrapped on the outer side of the waterproof layer (2); the insulating layer (3) is a silicon rubber insulating layer (3); the waterproof layer (2) is made of a synthetic polymer waterproof coating film; the durable layer (1) is made of EVA emulsion, and the EVA emulsion is tightly coated on the outer surface of the waterproof layer (2).

2. The overhead cable of claim 1 is characterized in that: the inner bending-resistant layer (7) is internally provided with reinforcing ribs (9), the outer side of the inner bending-resistant layer (7) is provided with bending-resistant bumps (6), and the inner bending-resistant bumps (6) are arranged on the inner bending-resistant layer (7) on the outer side of the reinforcing ribs (9).

3. The overhead cable of claim 1, wherein the weight of the overhead cable is selected from the group consisting of: the inner side of the outer anti-bending layer (5) is provided with anti-bending concave blocks (8), and the anti-bending convex blocks (6) and the anti-bending concave blocks (8) are meshed in a staggered mode.

4. The overhead cable of claim 1, wherein the weight of the overhead cable is selected from the group consisting of: eighteen groups of reinforcing ribs (9) are arranged, the eighteen groups of reinforcing ribs (9) are uniformly distributed in the inner bending-resistant layer (7), and the reinforcing ribs (9) are made of high-toughness materials.

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