CN211479727U - Anti-cutting cable - Google Patents

Abstract

The utility model discloses a cutting-proof cable, including the cable core, the outer insulating layer, waterproof layer and oversheath, the cable core is the several, and the several cable core is arranged in the outside of support along circumference equidistance, one side that the cable core deviates from the support is equipped with along axially extended cutting-proof strip, the cladding of outer insulating layer is at the cable core, the outside of support and cutting-proof strip, wherein the inside of outer insulating layer is equipped with the strengthening rib of arranging along circumference equidistance, and it has the fire prevention filler to fill between outer insulating layer and the cable core, the outside cladding of outer insulating layer has thermal-insulated winding covering, thermal-insulated outside cladding around the covering has the waterproof layer, the outside cladding of waterproof layer has cutting-proof layer, and cutting-proof layer includes metal net section of thick bamboo and fixes the bead in the metal net section of thick bamboo outside along the circumference equidista. The utility model relates to a rationally, simple structure for multilayer composite construction, has the effect of anti-cutting, theftproof, waterproof, thermal-insulated, fire prevention, putting out a fire, has spreading value.

Description

Anti-cutting cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to anti-cutting cable.

Background

A power cable is a cable for transmitting and distributing electrical energy. The power transmission line is commonly used for urban underground power grids, leading-out lines of power stations, internal power supply of industrial and mining enterprises and underwater power transmission lines crossing rivers and sea. Because the cable service environment is different, and can receive external influence in the cable use, if receive sharp object and cut, cause the short circuit easily and lead to the conflagration, give people and bring the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutting-proof cable 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 a cutting-proof cable, includes cable core, outer insulation layer, waterproof layer and oversheath, and its structural feature lies in: the cable core is the several, wherein the center department of several cable core is equipped with the support, and the several cable core is arranged in the outside of support along circumference equidistance, one side that the cable core deviates from the support is equipped with along axially extended anti-cutting strip, the cladding of outer insulation layer is at the cable core, the outside of support and anti-cutting strip, wherein the inside of outer insulation layer is equipped with the strengthening rib of arranging along circumference equidistance, and it has fire prevention filler to fill between outer insulation layer and the cable core, the outside cladding of outer insulation layer has thermal-insulated winding layer, thermal-insulated outside cladding that has the waterproof layer around the winding layer, the outside cladding of waterproof layer has anti-cutting layer, and anti-cutting layer includes metal mesh section of thick bamboo and fixes the oversheath in the metal mesh section of thick bamboo outside along circumference equid.

Preferably, the cable core comprises a conductor, an inner insulating layer coated outside the conductor and a shielding layer coated outside the inner insulating layer, and the inner insulating layer is made of ceramic silicon rubber.

Preferably, the cutting-proof strip is fixedly connected with the cable core, wherein the cutting-proof strip is of a honeycomb structure made of metal materials, and the cross section of the cutting-proof strip is of a flower-shaped structure.

Preferably, the convex ribs and the metal mesh cylinder are arranged integrally and are made of metal materials, and the cross sections of the convex ribs are isosceles triangles.

Preferably, the heat insulation wrapping layer is made of high-flame-retardant fire-proof glass cloth wrapping tape.

Preferably, the outer insulating layer and the reinforcing ribs are made of ceramic silicone rubber.

Compared with the prior art, the utility model relates to a rationally, simple structure for multilayer composite construction, has the effect of anti-cutting, theftproof, waterproof, thermal-insulated, fire prevention, putting out a fire, extension cable life greatly has spreading value.

Drawings

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

in the figure: 1-cable core, 2-outer insulating layer, 3-waterproof layer, 4-outer sheath, 5-bracket, 6-cutting-proof strip, 7-reinforcing rib, 8-fireproof filler, 9-heat-insulation wrapping layer, 10-cutting-proof layer, 11-metal mesh cylinder, 12-rib, 13-dry powder, 14-conductor, 15-inner insulating layer and 16-shielding layer.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", 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 referred to 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.

Referring to fig. 1, the utility model provides a technical scheme, a cutting-proof cable, comprising a cable core 1, an outer insulating layer 2, a waterproof layer 3 and an outer sheath 4, wherein the cable core 1 is provided with a plurality of supports 5 at the center of the cable core 1, the cable cores 1 are arranged on the outer sides of the supports 5 along the circumferential direction at equal intervals, one side of the cable core 1 away from the supports 5 is provided with cutting-proof strips 6 extending along the axial direction, the outer insulating layer 2 covers the outer sides of the cable core 1, the supports 5 and the cutting-proof strips 6, wherein the inner part of the outer insulating layer 2 is provided with reinforcing ribs 7 arranged along the circumferential direction at equal intervals, fireproof fillers 8 are filled between the outer insulating layer 2 and the cable core 1, the outer side of the outer insulating layer 2 is covered with a wrapping layer 9, the outer side of the wrapping layer 9 is covered with the waterproof layer 3, the outer side of the waterproof layer 3, and the anti-cutting layer 10 comprises a metal mesh tube 11 and ribs 12 fixed on the outer side of the metal mesh tube 11 at equal intervals along the circumferential direction, the outer side of the anti-cutting layer 10 is coated with an outer sheath 4, and dry powder 13 is filled between the outer sheath 4 and the waterproof layer 3.

In this embodiment, the cable core 1 includes a conductor 14, an inner insulating layer 15 covering the outer side of the conductor 14, and a shielding layer 16 covering the outer side of the inner insulating layer 15, and the inner insulating layer 15 is made of ceramic silicone rubber, and is converted into a ceramic hard sheath after being burned by flame, so that the cable can be prevented from being short-circuited in a fire environment, and the service life of the cable in the fire environment can be prolonged.

In the embodiment, the cutting-proof strips 6 are fixedly connected with the cable core 1, wherein the cutting-proof strips 6 are of a honeycomb structure made of metal materials, the cross sections of the cutting-proof strips 6 are of a flower-shaped structure, the weight is light, and the cutting-proof strips play a role in buffering the cable core 1 when an external force is applied to the hand.

In the present embodiment, the protruding rib 12 and the metal mesh tube 11 are integrally formed, and are made of a metal material, and the cross section of the protruding rib 12 is an isosceles triangle.

In this embodiment, the heat insulating wrapping layer 9 is made of a high-flame-retardant fire-insulating glass cloth tape, so as to achieve a flame-retardant effect.

In the embodiment, the outer insulating layer 2 and the reinforcing ribs 7 are made of ceramic silicon rubber, and are converted into a ceramic hard sheath after being ignited by flame, so that the cable can be prevented from being short-circuited in a fire environment, the service time of the cable in the fire environment is prolonged, the reinforcing ribs 7 are arranged to improve the bending resistance of the cable core 1, and the risk of breaking the cable core 1 is reduced.

When cutting the cable with the sword, cutting-proof layer 10 plays preliminary anti-cutting effect, and bead 12 plays the anti-cutting effect of strengthening cutting-proof layer 10, also can disperse external pressure simultaneously, sets up anti-cutting strip 6 in addition, can realize secondary protection to cable core 1, improves anti-cutting effect.

The utility model relates to a rationally, simple structure for multilayer composite construction, has the effect of anti-cutting, theftproof, waterproof, thermal-insulated, fire prevention, putting out a fire, extension cable life greatly has spreading value.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a cutting-proof cable, includes cable core, outer insulating layer, waterproof layer and oversheath, its characterized in that: the cable core be the several, wherein the center department of several cable core is equipped with the support, and the several cable core is arranged in the outside of support along circumference equidistance, one side that the cable core deviates from the support be equipped with along the anti-cutting strip of axial extension, the outer insulating layer cladding in the outside of cable core, support and anti-cutting strip, wherein the inside of outer insulating layer is equipped with the strengthening rib of arranging along circumference equidistance, and packs between outer insulating layer and the cable core and have fire prevention filler, the outside cladding of outer insulating layer have thermal-insulated around the covering, thermal-insulated outside cladding around the covering have the waterproof layer, the outside cladding of waterproof layer have anti-cutting layer, and anti-cutting layer includes metal net section of thick bamboo and fixes the bead in the metal net section of thick bamboo outside along circumference equidistance, the outside cladding of anti-cutting layer have the oversheath, and it.

2. A cut resistant cable as claimed in claim 1, wherein: the cable core comprises a conductor, an inner insulating layer and a shielding layer, wherein the inner insulating layer is coated on the outer side of the conductor, the shielding layer is coated on the outer side of the inner insulating layer, and the inner insulating layer is made of ceramic silicon rubber.

3. A cut resistant cable as claimed in claim 1, wherein: the anti-cutting strip is fixedly connected with the cable core, the anti-cutting strip is of a honeycomb structure made of metal materials, and the cross section of the anti-cutting strip is of a flower-shaped structure.

4. A cut resistant cable as claimed in claim 1, wherein: the convex edges and the metal mesh cylinder are arranged integrally and are made of metal materials, and the cross sections of the convex edges are isosceles triangles.

5. A cut resistant cable as claimed in claim 1, wherein: the heat insulation lapping layer is made of high-flame-retardant fire-proof glass cloth wrapping tapes.

6. A cut resistant cable as claimed in claim 1, wherein: the outer insulating layer and the reinforcing ribs are made of ceramic silicon rubber.

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