CN216957520U

CN216957520U - Fireproof compression-resistant cable

Info

Publication number: CN216957520U
Application number: CN202220836382.1U
Authority: CN
Inventors: 常雷; 范振国
Original assignee: Hubei Power Cuiyu Cable Co ltd
Current assignee: Hubei Power Cuiyu Cable Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-12
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to the technical field of cables, in particular to a fireproof compression-resistant cable which comprises a main body, a first flame-resistant layer and a second flame-resistant layer arranged on the outer surface of the first flame-resistant layer, wherein a central reinforcing block is arranged on the outer side of the surface of the main body, a compression-resistant supporting layer is arranged on the outer side of the surface of the central reinforcing block, a fixed fiber layer is arranged at the end part of the compression-resistant supporting layer, and a first reinforcing winding layer is wrapped on the outer surface of the fixed fiber layer. Convenient to use has greatly improved the compressive property of main part.

Description

Fireproof compression-resistant cable

Technical Field

The utility model relates to the technical field of cables, in particular to a fireproof compression-resistant cable.

Background

The cable is an electric energy or signal transmission device, and generally comprises several or several groups of conducting wires, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

Current cable receives vehicle or personnel to trample easily at the laying process to when burying underground, easily with stone or hard object contact each other, receive the extrusion, thereby cause the deformation to inside cable core easily, make the cable core receive the destruction, thereby reduced the life of cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fireproof compression-resistant cable, which aims to solve the problems that the conventional cable is easy to be trampled by vehicles or personnel in the laying process, and is easy to contact with stones or hard objects and be extruded when being buried underground, so that the cable core inside is easy to deform, the cable core is damaged, and the service life of the cable is shortened.

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

a fireproof compression-resistant cable comprises a main body, a first flame-retardant layer and a second flame-retardant layer arranged on the outer surface of the first flame-retardant layer;

the utility model discloses a fire-retardant layer of rigidity, including main part, center reinforcing block, resistance to compression supporting layer, fixed fibrous layer, first reinforcement winding layer, rigidity resistance to compression layer, first fire-retardant layer sets up the surface on second reinforcement winding layer, the surperficial outside on center reinforcing block is provided with the resistance to compression supporting layer, the tip of resistance to compression supporting layer is provided with fixed fibrous layer, the surface parcel on fixed fibrous layer has first reinforcement winding layer, the surperficial outside on first reinforcement winding layer is provided with rigidity compressive layer, the winding layer is consolidated to rigidity compressive layer's surperficial outside fixedly connected with second, first fire-retardant layer sets up the surface on second reinforcement winding layer, the surperficial outside on second fire-retardant layer is provided with the insulating inoxidizing coating.

Preferably, the first flame-retardant layer and the second flame-retardant layer are both made of fireproof flame-retardant mica tapes.

Preferably, the first reinforcing winding layer and the second reinforcing winding layer are polyester fiber layers wrapped with metal wire meshes.

Preferably, a rigid pressure-resistant layer is fixedly connected to the outer side of the surface of the first reinforcing winding layer, and a second reinforcing winding layer is fixedly connected to the outer side of the surface of the rigid pressure-resistant layer.

Preferably, the combined cross-sectional shape of the compressive support layer is triangular.

Preferably, the insulating protective layer is made of insulating rubber with a surface coated with silica wear-resistant paint.

Compared with the prior art, the utility model has the beneficial effects that:

1. the main body can be directly contacted and protected through the central reinforcing block, the compression-resistant supporting layer and the fixed fiber layer, a triangular structure with high compression resistance can be formed through combination and collocation of the compression-resistant supporting layer, larger pressure can be borne, the main body is fully protected, the shape of combination and collocation of the compression-resistant supporting layer can be maintained through the fixed fiber layer, the use is convenient, and the compression resistance of the main body is greatly improved;

2. through the first fire-retardant layer, the fire-retardant layer of second and the insulating inoxidizing coating that are equipped with, be convenient for can improve the holistic fire behavior of cable and fire resistance through the fire-retardant layer of first fire-retardant layer and second, can protect the fire-retardant layer of first fire-retardant layer and second through the insulating inoxidizing coating simultaneously, improved the holistic intensity of cable, prolonged the life of cable, convenient to use.

Drawings

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

FIG. 2 is a schematic view of a second reinforcing wrap configuration in accordance with the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a main body; 2. a central reinforcing block; 3. a compression-resistant support layer; 4. fixing the fiber layer; 5. a first reinforcing wrap layer; 6. a rigid compression resistant layer; 7. a second reinforcing wrap layer; 8. a first flame retardant layer; 9. a second flame retardant layer; 10. and (4) insulating protective layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, there are shown: the embodiment is a preferred embodiment in the technical scheme, and a fireproof compression-resistant cable comprises a main body 1, a first flame-retardant layer 8 and a second flame-retardant layer 9 arranged on the outer surface of the first flame-retardant layer 8;

the outer side of the surface of the main body 1 is provided with a central reinforcing block 2, the outer side of the surface of the central reinforcing block 2 is provided with a compression supporting layer 3, the end part of the compression supporting layer 3 is provided with a fixed fiber layer 4, the outer surface of the fixed fiber layer 4 is wrapped with a first reinforcing winding layer 5, the outer side of the surface of the first reinforcing winding layer 5 is provided with a rigid compression layer 6, the outer side of the surface of the rigid compression layer 6 is fixedly connected with a second reinforcing winding layer 7, a first flame retardant layer 8 is arranged on the outer surface of the second reinforcing winding layer 7, and the outer side of the surface of a second flame retardant layer 9 is provided with an insulating protective layer 10;

as shown in fig. 1 and 3, the first flame-retardant layer 8 and the second flame-retardant layer 9 are both made of fireproof flame-retardant mica tapes, and the overall fire resistance and flame retardance of the cable can be improved through the first flame-retardant layer 8 and the second flame-retardant layer 9, so that the cable is convenient to use;

as shown in fig. 2 and 3, the first reinforcing winding layer 5 and the second reinforcing winding layer 7 are specifically polyester fiber layers wrapped with metal wire meshes, and the polyester fiber layers wrapped with the metal wire meshes are used as the first reinforcing winding layer 5 and the second reinforcing winding layer 7, so that the overall structural strength of the main body 1 can be effectively improved;

as shown in fig. 2 and 3, the rigid pressure-resistant layer 6 is specifically made of a nylon fiber thread, and the pressure resistance of the main body 1 can be greatly improved by utilizing the good rigid pressure resistance of the nylon fiber thread;

as shown in fig. 3, the combined cross-sectional shape of the compression-resistant support layer 3 is a triangle, and the main body 1 can be supported by using the height stability of the triangle, so that the support stability is good;

as shown in fig. 3, the insulating protection layer 10 is specifically made of insulating rubber coated with silica abrasion-resistant paint on the surface, and the insulating rubber coated with silica abrasion-resistant paint is used as the insulating protection layer 10, so that the abrasion-resistant insulating property can be greatly improved;

in this embodiment, in the use, through central reinforcing block 2, can carry out direct protection to main part 1, and can keep the integrated shape of resistance to compression supporting layer 3 through fixed fibrous layer 4, the integrated shape through resistance to compression supporting layer 3 is triangle-shaped and can bears great pressure, the holistic compressive property of main part 1 has been improved comprehensively, then through first reinforcement winding layer 5, rigidity resistance to compression layer 6 and second reinforcement winding layer 7 can be consolidated fixed fibrous layer 4, promote the compressive property, then through first fire-retardant layer 8 and second fire-retardant layer 9 can improve holistic fire behavior of cable and fire resistance, can protect cable whole through insulating inoxidizing coating 10 simultaneously, high durability and convenient use.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims

1. A fireproof compression-resistant cable comprises a main body (1), a first flame-retardant layer (8) and a second flame-retardant layer (9) arranged on the outer surface of the first flame-retardant layer (8); the method is characterized in that: the surface outside of main part (1) is provided with central reinforcement piece (2), the surface outside of central reinforcement piece (2) is provided with resistance to compression supporting layer (3), the tip of resistance to compression supporting layer (3) is provided with fixed fibrous layer (4), the surface coating of fixed fibrous layer (4) has first reinforcement winding layer (5), the surface outside of first reinforcement winding layer (5) is provided with rigidity resistance to compression layer (6), winding layer (7) are consolidated to the surface outside fixedly connected with second of rigidity resistance to compression layer (6), first fire-retardant layer (8) set up the surface of strengthening winding layer (7) at the second, the surface outside of fire-retardant layer (9) of second is provided with insulating inoxidizing coating (10).

2. The fire-proof compression-resistant cable according to claim 1, wherein: the first flame-retardant layer (8) and the second flame-retardant layer (9) are both made of fireproof flame-retardant mica tapes.

3. The fire-proof compression-resistant cable according to claim 1, wherein: the first reinforcing winding layer (5) and the second reinforcing winding layer (7) are polyester fiber layers wrapped with metal wire meshes.

4. The fire-proof compression-resistant cable according to claim 3, wherein: the rigid pressure-resistant layer (6) is made of nylon fiber yarns.

5. The fire-proof compression-resistant cable according to claim 1, wherein: the combined cross section of the compression-resistant supporting layer (3) is triangular.

6. The fire-proof compression-resistant cable according to claim 4, wherein: the insulating protective layer (10) is made of insulating rubber with the surface coated with silica wear-resistant paint.