CN211788275U - Anti-cutting cable - Google Patents

Abstract

The utility model discloses a cut-proof type cable, including the several cable core, support frame and protective layer, the support frame includes the tensile inner core and evenly arranges the baffle in the tensile inner core outside along circumference, the protective layer cover is established in the outside of support frame, and protective layer and support frame are in on the same axis, the protective layer includes the external insulation layer, the shielding layer, the supporting layer, cut-proof layer and outer lag, the external insulation layer cladding is in the outside of support frame, and it has the fire prevention filler to fill between external insulation layer and the support frame, the shielding layer cladding is in the outside of external insulation layer, the supporting layer cladding is in the outside of shielding layer, wherein the cross-section of supporting layer is regular polygon, the cladding of cut-proof layer is in the outside of supporting layer, the cladding. The utility model relates to a rationally, simple structure, multilayer composite construction prevents effectively that the cable from being cut the loss, and the cable still has good anti-cutting performance, fire prevention fire behavior, wear resistance and resistant bending property, has prolonged the life of cable.

Description

Anti-cutting cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to anti-cutting type 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 cut, cause the short circuit easily and lead to the conflagration, external high temperature also can influence the conductor of cable inside simultaneously, gives people and brings the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cut-preventing type 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 cut-preventing type cable, includes several cable core, support frame and protective layer, its structural feature lies in: the support frame comprises a tensile inner core and clapboards which are uniformly arranged at the outer side of the tensile inner core along the circumferential direction, wherein a clamping groove for placing a cable core is formed between every two adjacent clapboards, the cable cores correspond to the clamping grooves one by one, the protective layer is sleeved on the outer side of the support frame, the protective layer and the support frame are positioned on the same axis, the protective layer comprises an outer insulating layer, a shielding layer, a supporting layer, a cutting-proof layer and an outer protective sleeve, the outer insulating layer is covered on the outer side of the support frame, fireproof filler is filled between the outer insulating layer and the support frame, the shielding layer is coated on the outer side of the outer insulating layer, the supporting layer is coated on the outer side of the shielding layer, wherein the cross section of the supporting layer is in a regular polygon shape, flame retardant filler is filled between the shielding layer and the supporting layer, the anti-cutting layer is coated on the outer side of the supporting layer, and an insulating adhesive is filled between the supporting layer and the cutting-proof layer, and the outer protective sleeve is coated on the outer side of the cutting-proof layer.

Preferably, the cable core comprises a conductor, an inner insulating layer covering the outer side of the conductor, and an inner protective sleeve covering the outer side of the inner insulating layer, wherein asbestos is filled between the inner insulating layer and the inner protective sleeve.

Preferably, the inner protective sleeve is made of metal mesh, and the cross section of the inner protective sleeve is in a flower-shaped structure.

Preferably, the supporting frame is integrally formed, and the supporting frame is made of elastic polymer insulating material.

Preferably, the height of the spacer is greater than the outer diameter of the cable core.

Preferably, the cut-resistant layer is made of metal mesh.

Preferably, the outer side of the outer protective sleeve is fixed with a wear-resistant layer, and the wear-resistant layer is composed of a plurality of wear-resistant strips which are arranged at equal intervals along the circumferential direction and extend along the circumferential direction.

Compared with the prior art, the utility model relates to a rationally, simple structure, multilayer composite construction prevents effectively that the cable from being cut the loss, and the cable still has good anti-cutting performance, fire prevention fire behavior, wear resistance and resistant bending resistance, has prolonged the life of cable.

Drawings

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

in the figure: 1-tensile inner core, 2-partition board, 3-clamping groove, 4-outer insulating layer, 5-shielding layer, 6-supporting layer, 7-cutting-proof layer, 8-outer protective sleeve, 9-fireproof filler, 10-flame-retardant filler, 11-insulating adhesive, 12-conductor, 13-inner insulating layer, 14-inner protective sleeve, 15-asbestos and 16-wear-resistant strip.

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 cut-proof cable, comprising a plurality of cable cores, a supporting frame and a protective layer, wherein the supporting frame comprises a tensile inner core 1 and two clapboards 2 uniformly arranged on the outer side of the tensile inner core 1 along the circumferential direction, a slot 3 for placing the cable core is formed between two adjacent clapboards 2, the cable cores correspond to the slot 3 one by one, the protective layer is sleeved on the outer side of the supporting frame, the protective layer and the supporting frame are positioned on the same axis, the protective layer comprises an outer insulating layer 4, a shielding layer 5, a supporting layer 6, a cut-proof layer 7 and an outer protective sleeve 8, the outer insulating layer 4 is covered on the outer side of the supporting frame, a fireproof filler 9 is filled between the outer insulating layer 4 and the supporting frame, the shielding layer 5 is covered on the outer side of the outer insulating layer 4, the supporting layer 6 is covered on, the cross section of the supporting layer 6 is a regular polygon, flame-retardant filler 10 is filled between the shielding layer 5 and the supporting layer 6, the anti-cutting layer 7 is coated on the outer side of the supporting layer 6, insulating adhesive 11 is filled between the supporting layer 6 and the anti-cutting layer 7, and the outer protective sleeve 8 is coated on the outer side of the anti-cutting layer 7.

In this embodiment, the cable core includes a conductor 12, an inner insulating layer 13 covering the outer side of the conductor 12, and an inner sheath 14 covering the outer side of the inner insulating layer 13, and asbestos 15 is filled between the inner insulating layer 13 and the inner sheath 14.

In this embodiment, the inner protection sleeve 14 is made of a metal mesh, and the cross section of the inner protection sleeve 14 is a flower-shaped structure.

In this embodiment, the supporting frame is integrally formed, and the supporting frame is made of an elastic polymer insulating material.

In this embodiment, the height of the partition board 2 is greater than the outer diameter of the cable core.

Wherein, in the present embodiment, the cutting-proof layer 7 is made of metal mesh.

In this embodiment, the outer side of the outer protective cover 8 is fixed with a wear-resistant layer, and the wear-resistant layer is composed of a plurality of wear-resistant strips 16 which are arranged at equal intervals along the circumferential direction and extend along the circumferential direction.

Set up cutting prevention layer 7 and play preliminary cutting prevention effect, even cutting prevention layer is separated, interior lag 14 on the cable core also can play the cutting prevention effect once more, the impaired probability of greatly reduced conductor 12 increases the cable cutting degree of difficulty, can prevent effectively that the cable from being cut the loss, prevents that the cable is stolen, and the cross-section of interior lag 14 is flower type structure simultaneously, when receiving external force impact, also can play the cushioning effect. The support frame is made by elastic polymer insulating material, further guarantees tensile property, resistant bending nature and the toughness of cable, has prolonged the life of cable. The cross section of the supporting layer 6 is in a regular polygon shape, so that the cable core is protected, and the effects of compression resistance, buffering and energy absorption are achieved.

The utility model relates to a rationally, simple structure, multilayer composite construction prevents effectively that the cable from being cut the loss, and the cable still has good anti-cutting performance, fire prevention fire behavior, wear resistance and resistant bending property, has prolonged the life of cable.

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 (7)

1. The utility model provides a cut-preventing type cable, includes several cable core, support frame and protective layer, its characterized in that: the support frame comprises a tensile inner core and clapboards uniformly arranged on the outer side of the tensile inner core along the circumferential direction, wherein a clamping groove for placing a cable core is formed between every two adjacent clapboards, the cable core is in one-to-one correspondence with the clamping groove, the protective layer is sleeved on the outer side of the support frame, the protective layer and the support frame are positioned on the same axis, the protective layer comprises an outer insulating layer, a shielding layer, a support layer, a cutting-proof layer and an outer protective sleeve, the outer insulating layer is covered on the outer side of the support frame, fireproof fillers are filled between the outer insulating layer and the support frame, the shielding layer is covered on the outer side of the outer insulating layer, the support layer is covered on the outer side of the shielding layer, the cross section of the support layer is in a regular polygon shape, the flame-retardant fillers are filled between the shielding layer and the support layer, the cutting, the outer protective sleeve is coated on the outer side of the cutting-proof layer.

2. A cut-resistant cable as claimed in claim 1, wherein: the cable core comprises a conductor, an inner insulating layer and an inner protective sleeve, wherein the inner insulating layer is coated on the outer side of the conductor, the inner protective sleeve is sleeved on the outer side of the inner insulating layer, and asbestos is filled between the inner insulating layer and the inner protective sleeve.

3. A cut-resistant cable as claimed in claim 2, wherein: the inner protective sleeve is made of metal mesh, and the cross section of the inner protective sleeve is of a flower-shaped structure.

4. A cut-resistant cable as claimed in claim 1, wherein: the support frame is integrally formed and is made of elastic high-molecular insulating materials.

5. A cut-resistant cable as claimed in claim 1, wherein: the height of the clapboard is larger than the outer diameter of the cable core.

6. A cut-resistant cable as claimed in claim 1, wherein: the cutting-proof layer is made of metal mesh.

7. A cut-resistant cable as claimed in claim 1, wherein: the outer side of outer lag be fixed with the wearing layer, and the wearing layer by the several along circumference equidistance arrange, constitute along the wear-resisting strip of circumference extension.

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