CN211479715U

CN211479715U - Cable with long service life

Info

Publication number: CN211479715U
Application number: CN201922361297.5U
Authority: CN
Inventors: 曹莹莹
Original assignee: Xinyi North Of City New District Urban Construction And Development Co ltd
Current assignee: Xinyi North Of City New District Urban Construction And Development Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-11
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a long service life's cable, including sinle silk and tensile layer, the surface cladding of sinle silk has the shielding layer, and the surface cladding of shielding layer has the insulating layer, and the tensile layer comprises glass fiber layer and carbon nanofiber layer, and the internal surface cladding of tensile layer has the elastic layer, and the surface cladding of tensile layer has the wearing layer. The utility model discloses a set up the elastic layer, can furthest's absorption and separation come from the outer power of dragging of cable, through setting up the glass fiber layer, the biggest characteristic is that tensile strength is big, and still improved the insulating effect of cable, through setting up the carbon nanofiber layer, the tensile strength of cable has further been improved, avoided the cable to damage easily when dragging, through setting up the polyurethane rubber layer, it is high to have hardness, intensity is good, high elasticity, high wear resistance, tear-resistant, ageing-resistant, ozone-resistant and radiation-resistant's characteristics, through setting up high density polyethylene coating, the wear resistance of cable has further been improved.

Description

Cable with long service life

Technical Field

The utility model relates to the technical field of cables, specifically be a long service life's cable.

Background

The cable is an insulated conductor formed by arranging one or more mutually insulated conductive wire cores in a sealed sheath, and can be divided into a power cable, a communication cable, a control cable and the like according to the application of the cable, and the cable is used for transmitting and distributing electric energy or transmitting electric signals.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a long service life's cable possesses long service life's advantage, has solved current cable when dragging, and the wire in the cable is broken easily, and the cable is when dragging along ground simultaneously, and the surface of cable is wearing and tearing easily to the life's of cable problem has been reduced.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a long service life's cable, includes sinle silk and tensile layer, the surface cladding of sinle silk has the shielding layer, the surface cladding of shielding layer has the insulating layer, the tensile layer comprises glass fiber layer and carbon nanofiber layer, the internal surface cladding of tensile layer has the elastic layer, the surface cladding of tensile layer has the wearing layer, the wearing layer comprises polyurethane rubber layer and high density polyethylene coating.

Preferably, the sinle silk is the tin-plated copper conductor, the shielding layer is the aluminium foil layer, the insulating layer is the crosslinked polyethylene layer, the elastic layer is the butadiene rubber layer.

Preferably, a filling layer is arranged between the outer surface of the insulating layer and the inner surface of the elastic layer, and the filling layer is a mica tape.

Preferably, the glass fiber layer is coated on the outer surface of the elastic layer, and the carbon nanofiber layer is coated on the outer surface of the glass fiber layer.

Preferably, the polyurethane rubber layer covers the outer surface of the tensile layer, and the high-density polyethylene coating is coated on the outer surface of the polyurethane rubber layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a long service life's cable possesses following beneficial effect:

the utility model can absorb and separate the pulling force from the outside of the cable to the utmost extent by arranging the elastic layer, the most characteristic is that the tensile strength is large by arranging the glass fiber layer, and the insulation effect of the cable is also improved, the tensile property of the cable is further improved by arranging the carbon nano fiber layer, the cable is prevented from being easily damaged when being pulled, the wear-resisting property of the cable is further improved by arranging the polyurethane rubber layer, the cable has the characteristics of high hardness, good strength, high elasticity, high wear resistance, tearing resistance, aging resistance, ozone resistance and radiation resistance, the outer surface of the cable is prevented from being easily worn when the cable is pulled along the ground, the protective effect is also played against the pulling layer, the problem that the existing cable is pulled, the lead in the cable is easily pulled apart is solved, and simultaneously when the cable is pulled along the ground, the outer surface of the cable is easily worn, thereby reducing the problem of the service life of the cable.

Drawings

Fig. 1 is a schematic cross-sectional structure view of the cable of the present invention;

fig. 2 is a schematic sectional view of the tensile layer of the present invention;

fig. 3 is the schematic view of the sectional structure of the wear-resistant layer of the present invention.

In the figure: 1. a wire core; 2. a shielding layer; 3. an insulating layer; 4. a filling layer; 5. an elastic layer; 6. a tensile layer; 61. a glass fiber layer; 62. a carbon nanofiber layer; 7. a wear layer; 71. a polyurethane rubber layer; 72. high density polyethylene coating.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a sinle silk 1, shielding layer 2, insulating layer 3, filling layer 4, elastic layer 5, tensile layer 6, glass fiber layer 61, carbon nanofiber layer 62, wearing layer 7, polyurethane rubber layer 71 and high density polyethylene coating 72 part are the parts that general standard or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a cable with a long service life includes a wire core 1 and a tensile layer 6, the wire core 1 is a tin-plated copper conductor, a filling layer 4 is disposed between an outer surface of an insulating layer 3 and an inner surface of an elastic layer 5, the filling layer 4 is a mica tape, the outer surface of the wire core 1 is wrapped with a shielding layer 2, the shielding layer 2 is an aluminum foil layer, the outer surface of the shielding layer 2 is wrapped with the insulating layer 3, the insulating layer 3 is a crosslinked polyethylene layer, the tensile layer 6 is composed of a glass fiber layer 61 and a carbon nanofiber layer 62, the glass fiber layer 61 is wrapped with the outer surface of the elastic layer 5, the carbon nanofiber layer 62 is wrapped with the outer surface of the glass fiber layer 61, by disposing the glass fiber layer 61, the greatest characteristic is that the tensile strength is high, and the insulating effect of the cable is also improved, by disposing the carbon nanofiber layer 62, the tensile property of the cable is further improved, and the cable is, the inner surface of the tensile layer 6 is coated with the elastic layer 5, the elastic layer 5 is a butadiene rubber layer, the elastic layer 5 can absorb and block the pulling force from the outside of the cable to the maximum extent, the outer surface of the tensile layer 6 is coated with the wear-resistant layer 7, the wear-resistant layer 7 is composed of a polyurethane rubber layer 71 and a high-density polyethylene coating 72, the polyurethane rubber layer 71 is coated on the outer surface of the tensile layer 6, the high-density polyethylene coating 72 is coated on the outer surface of the polyurethane rubber layer 71, by arranging the polyurethane rubber layer 71, the rubber has the characteristics of high hardness, good strength, high elasticity, high wear resistance, tear resistance, aging resistance, ozone resistance and radiation resistance, through setting up high density polyethylene coating 72, further improved the wear resistance of cable, avoided the cable when dragging along ground, the surface of cable is wearing and tearing easily, but also to playing the effect of protection to drawing layer 6.

When in use, the elastic layer 5 is arranged to absorb and block the pulling force from the outside of the cable to the maximum extent, the glass fiber layer 61 is arranged to have the biggest characteristic of high tensile strength and improve the insulation effect of the cable, the carbon nanofiber layer 62 is arranged to further improve the tensile property of the cable and avoid the cable from being easily damaged when being pulled, the polyurethane rubber layer 71 is arranged to have the characteristics of high hardness, good strength, high elasticity, high wear resistance, tearing resistance, aging resistance, ozone resistance and radiation resistance, the high-density polyethylene coating 72 is arranged to further improve the wear resistance of the cable, prevent the outer surface of the cable from being easily worn when the cable is dragged along the ground, and play a role of protecting against the pulling layer 6, so that the problem that the existing cable is easily pulled and broken when being dragged along the ground is solved, the outer surface of the cable is easily worn, thereby reducing the problem of the service life of the cable.

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 a long service life's cable, includes sinle silk (1) and tensile layer (6), its characterized in that: the utility model discloses a cable core, including sinle silk (1), shielding layer (2), insulating layer (3) are wrapped to the surface cladding of shielding layer (2), tensile layer (6) comprise glass fiber layer (61) and carbon nanofiber layer (62), the internal surface cladding of tensile layer (6) has elastic layer (5), the surface cladding of tensile layer (6) has wearing layer (7), wearing layer (7) comprise polyurethane rubber layer (71) and high density polyethylene coating (72).

2. A long-life cable according to claim 1, wherein: the cable core (1) is a tin-plated copper conductor, the shielding layer (2) is an aluminum foil layer, the insulating layer (3) is a cross-linked polyethylene layer, and the elastic layer (5) is a butadiene rubber layer.

3. A long-life cable according to claim 1, wherein: a filling layer (4) is arranged between the outer surface of the insulating layer (3) and the inner surface of the elastic layer (5), and the filling layer (4) is a mica tape.

4. A long-life cable according to claim 1, wherein: the glass fiber layer (61) is coated on the outer surface of the elastic layer (5), and the carbon nanofiber layer (62) is coated on the outer surface of the glass fiber layer (61).

5. A long-life cable according to claim 1, wherein: the polyurethane rubber layer (71) is coated on the outer surface of the tensile layer (6), and the high-density polyethylene coating (72) is coated on the outer surface of the polyurethane rubber layer (71).