CN223598446U - Energy-saving wear-resistant overhead insulated cable - Google Patents

Abstract

The utility model discloses an energy-saving wear-resistant overhead insulated cable, which relates to the technical field of insulated cables and sequentially comprises a wire core, a flexible filling layer, a fire-resistant layer, a waterproof layer, an outer insulating layer, a tensile layer and a wear-resistant layer from inside to outside, wherein a plurality of metal wires are arranged in the wear-resistant layer, the wire core is provided with a plurality of wires, the wire cores comprise conductors, the outer sides of the conductors are wrapped with the inner insulating layer, the outer sides of the inner insulating layer are wrapped with metal shielding layers, the metal wires are uniformly distributed in a circumference manner by taking the center of the wear-resistant layer as a reference, the tensile layer is uniformly distributed in a circumference manner by taking the center of the tensile layer as a reference, and the reinforcing ribs comprise reinforcing cores and protective layers.

Description

Energy-saving wear-resistant overhead insulated cable

Technical Field

The utility model relates to the technical field of insulated cables, in particular to an energy-saving wear-resistant overhead insulated cable.

Background

The high-efficiency energy-saving overhead insulated cable with the publication number of CN214705464U comprises a conductor wire core and an outer cladding layer wrapping the conductor wire core, wherein the conductor wire core comprises a stranded conductor, the stranded conductor comprises a tensile unit wire core of an inner layer and a plurality of aluminum single wires stranded outside the tensile unit wire core, and the tensile unit wire core is formed by stranding a plurality of aluminum carbon-coated fiber single wires.

The cable improves the tensile strength of the cable by arranging the built-in reinforcing core, but has poor wear-resisting effect, and the cable is easy to wear in the traction and erection process, so that it is necessary to design the energy-saving wear-resisting overhead insulated cable for improving the wear-resisting effect of the cable.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide an energy-saving wear-resistant overhead insulated cable so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the technical scheme that the energy-saving wear-resistant overhead insulated cable sequentially comprises a wire core, a flexible filling layer, a fire-resistant layer, a waterproof layer, an outer insulating layer, a tensile layer and a wear-resistant layer from inside to outside, wherein a plurality of metal wires are arranged in the wear-resistant layer.

The utility model further discloses that the wire cores are provided with a plurality of wires, the wire cores comprise conductors, the outer sides of the conductors are wrapped with inner insulating layers, and the outer sides of the inner insulating layers are wrapped with metal shielding layers.

The utility model further provides that the metal wires are uniformly distributed circumferentially with the center of the wear-resistant layer as a reference.

The utility model further discloses that the tensile layer is internally wrapped with a plurality of reinforcing ribs, and the reinforcing ribs are uniformly distributed in a circumference manner by taking the center of the tensile layer as a reference.

The utility model further provides that the reinforcing bars comprise a reinforcing core and a protective layer.

The utility model further discloses that the waterproof layer is wrapped by 3-4 layers of water-blocking tapes.

The utility model further describes that the refractory layer is wrapped with 3-4 layers of mica tape.

Compared with the prior art, the wear-resistant cable has the beneficial effects that the wear-resistant layer is arranged on the outermost layer of the cable, and the metal wires are arranged in the wear-resistant layer, so that the overall wear-resistant effect of the cable is improved.

Through setting up tensile layer and strengthening rib, improve the holistic tensile properties of cable, through setting up waterproof layer, flame retardant coating, improve waterproof and the high temperature resistance of cable can, through setting up outer insulating layer and inner insulating layer, improve the insulating effect of cable through setting up multiple insulating layer, through setting up flexible buffer layer to the stress that the buffer cable produced when crooked prevents that the sinle silk is impaired.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

in the figure, 1, a wire core; 2, a flexible filling layer, 3, a fire-resistant layer, 4, a waterproof layer, 5, an outer insulating layer, 6, a tensile layer, 7, a wear-resistant layer, 8, a conductor, 9, an inner insulating layer, 10, a metal shielding layer, 11, metal wires, 12, reinforcing ribs, 13, a reinforcing core, 14 and a protective layer.

Detailed Description

The technical scheme of the present utility model is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the utility model provides a technical scheme that an energy-saving wear-resistant overhead insulated cable sequentially comprises a wire core 1, a flexible filling layer 2, a fire-resistant layer 3, a waterproof layer 4, an outer insulating layer 5, a tensile layer 6 and a wear-resistant layer 7 from inside to outside.

The wire core 1 is provided with many, and many 1 includes conductor 8, and the outside parcel of conductor 8 has inner insulating layer 9, and the outside parcel of inner insulating layer 9 has metal shielding layer 10.

The wear layer 7 is made of a high-grade wear-resistant material including, but not limited to, polyvinyl chloride, hinged polyethylene, polyurethane, or the like.

Be provided with a plurality of metal wires 11 in the wearing layer 7, a plurality of metal wires 11 are circumference evenly distributed with wearing layer 7 center as the benchmark, improve wearing layer 7's wear-resisting effect through metal wire 11, improve the resistance to compression and the tensile effect of cable simultaneously.

The tensile layer 6 is made of thermoplastic elastic rubber and has a good elastic recovery function, so that the tensile effect of the cable is improved.

The tensile layer 6 is internally wrapped with a plurality of reinforcing ribs 12, and the reinforcing ribs 12 are uniformly distributed in circumference by taking the center of the tensile layer 6 as a reference.

The reinforcing rib 12 comprises a reinforcing core 13 and a protective layer 14, stranded steel wires are adopted as the reinforcing core 13, the protective layer 14 is made of plastic metal, the reinforcing core 13 is wrapped through the protective layer 14 by extruding on the reinforcing core 13 at high temperature, and the steel wires are prevented from wearing the tensile layer 6.

The waterproof layer 4 is formed by wrapping a waterproof tape, 3-4 layers of the wrapping are wrapped, the waterproof function of the waterproof tape is mainly composed of a water-swellable super absorbent material contained in the waterproof tape, and the waterproof tape can be rapidly swelled to form a large-volume jelly after encountering water, so that the growth of a water tree is prevented, and the continuous infiltration and diffusion of water are prevented.

The fire-resistant layer 3 is formed by wrapping a mica tape, 3-4 layers are wrapped, the mica tape is a high-performance insulating product, and has excellent high-temperature resistance and combustion resistance, and the mica tape has good flexibility in normal state and basically has no volatilization of harmful smoke when being burnt in open fire.

The flexible filling layer 2 is made of materials including but not limited to aramid yarns, and has the characteristics of small density, high tensile modulus, high breaking strength and low breaking elongation, so that the wire core 1 is protected and fixed, and the external transmitted acting force is buffered.

The conductor 8 is made of a metal material having good conductivity such as copper or aluminum.

The outer insulating layer 5 and the inner insulating layer 9 are made of materials including, but not limited to, polyvinyl chloride, crosslinked polyethylene, silicone rubber and the like, and have good insulating properties.

The metal shielding layer 10 is made of wire or ribbon copper or aluminum, and is used for avoiding interference of electromagnetic waves generated by the wire core 1 on external electronic products.

In this embodiment, the wear-resistant layer 7 is arranged on the outermost layer of the cable, and the metal wires 11 are arranged in the wear-resistant layer 7, so that the overall wear-resistant effect of the cable is improved.

By providing the tensile layer 6 and the reinforcing ribs 12, the tensile performance of the whole cable is improved.

By arranging the waterproof layer 4 and the fireproof layer 3, the waterproof and high-temperature-resistant performances of the cable are improved.

By providing the outer insulating layer 5 and the inner insulating layer 9, the insulating effect of the cable is improved by providing multiple insulating layers.

By providing a flexible buffer layer, the stress generated when the cable is bent is buffered, and the wire core 1 is prevented from being damaged.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Finally, it should be pointed out that the above embodiments are only intended to illustrate the technical solution of the utility model, not to limit it. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, without departing from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The energy-saving wear-resistant overhead insulated cable is characterized by sequentially comprising a wire core (1), a flexible filling layer (2), a fire-resistant layer (3), a waterproof layer (4), an outer insulating layer (5), a tensile layer (6) and a wear-resistant layer (7) from inside to outside, wherein a plurality of metal wires (11) are arranged in the wear-resistant layer (7).

2. The energy-saving wear-resistant overhead insulated cable according to claim 1, wherein the plurality of wire cores (1) are arranged, the plurality of wire cores (1) comprise conductors (8), an inner insulating layer (9) is wrapped on the outer side of each conductor (8), and a metal shielding layer (10) is wrapped on the outer side of each inner insulating layer (9).

3. An energy-saving wear-resistant overhead insulated cable according to claim 2, characterized in that the wires (11) are uniformly distributed circumferentially with reference to the center of the wear-resistant layer (7).

4. The energy-saving wear-resistant overhead insulated cable as claimed in claim 1, wherein the tensile layer (6) is internally wrapped with a layer formed by a plurality of reinforcing ribs (12), and the reinforcing ribs (12) are uniformly distributed in circumference by taking the center of the tensile layer (6) as a reference.

5. The energy-saving wear-resistant overhead insulated cable according to claim 4, wherein the reinforcing ribs (12) comprise a reinforcing core (13) and a protective layer (14).

6. The energy-saving wear-resistant overhead insulated cable according to claim 1, wherein the waterproof layer (4) is wrapped with 3-4 layers of water-blocking tape.

7. An energy efficient wear resistant overhead insulated cable as claimed in claim 1, wherein the fire resistant layer (3) is wrapped with 3-4 layers of mica tape.