CN215069386U

CN215069386U - Cable with good fireproof effect

Info

Publication number: CN215069386U
Application number: CN202120096989.6U
Authority: CN
Inventors: 左中布
Original assignee: Jiangsu Kerui Cable Technology Co ltd
Current assignee: Jiangsu Kerui Cable Technology Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-07
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a cable that fire prevention effect is good, including cable main part and supporting cable, cable main part includes the cable core, the fixed cover of surface of cable core is equipped with the insulating layer, the surface of insulating layer is provided with toughness layer, one side that insulating layer was kept away from on toughness layer is provided with the insulating layer, the fixed cover of surface of insulating layer is equipped with the composite bed, the composite bed includes first fire-retardant layer. The utility model discloses a cooperation that sets up cable main part, toughness layer, supporting cable, back up coat, cable core, composite bed, insulating layer, sealed filling layer, the fire-retardant layer of second, thermal-insulated articulamentum and first fire-retardant layer is used, and it is comparatively single to have solved current cable its fire prevention thermal-insulated structure in the use for its fire prevention effect is relatively poor, and toughness structure is comparatively single usually, makes it probably buckle because of external force and lead to the problem that life reduces in the use.

Description

Cable with good fireproof effect

Technical Field

The utility model relates to the technical field of cables, specifically be a cable that fire prevention effect is good.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity.

In the process of building of power grid, often need use the cable to connect with electrical apparatus, its structure of preventing fires is thermal-insulated comparatively single in the use of current cable for its fireproof effect is relatively poor, and toughness structure is comparatively single usually, makes it probably buckle because of external force and lead to life to reduce in the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable that fireproof effect is good, possess the good and difficult advantage of buckling of fireproof effect, solved current cable its fire prevention thermal-insulated structure comparatively single in the use for its fireproof effect is relatively poor, and toughness structure is comparatively single usually, makes it probably buckle because of external force in the use and lead to the problem that life reduces.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable that fireproof effect is good, includes cable main part and supporting cable, cable main part includes the cable core, the fixed cover of surface of cable core is equipped with the insulating layer, the surface of insulating layer is provided with the toughness layer, one side that the insulating layer was kept away from on the toughness layer is provided with the insulating layer, the fixed cover of surface of insulating layer is equipped with the composite bed, the composite bed includes first fire-retardant layer, the fixed cover of surface on first fire-retardant layer is equipped with thermal-insulated junction, the fixed cover of surface of thermal-insulated junction is equipped with the fire-retardant layer of second, supporting cable includes the toughness layer, the fixed cover of surface on toughness layer is equipped with the back up coat.

Preferably, an outer sheath is fixedly sleeved on the outer surface of the composite layer and is made of a wear-resistant rubber material.

Preferably, a sealing filling layer is filled between the insulating layer and the heat insulating layer, and the sealing filling layer is made of a waterproof sealing paste material.

Preferably, the first flame-retardant layer is made of asbestos materials, the second flame-retardant layer is made of basalt fiber materials, and the heat insulation joint is made of aerogel felt materials.

Preferably, the insulating layer is made of insulating mica material, and the thickness of the insulating layer is 0.1mm-0.15 mm.

Preferably, the toughness layer is made of glass fiber materials, the reinforcing layer is formed by coating carbon fiber materials, and the heat insulation layer is filled with aluminum hydroxide particle materials.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation that sets up cable main part, toughness layer, supporting cable, back up coat, cable core, composite bed, insulating layer, sealed filling layer, the fire-retardant layer of second, thermal-insulated articulamentum and first fire-retardant layer is used, and it is comparatively single to have solved current cable its fire prevention thermal-insulated structure in the use for its fire prevention effect is relatively poor, and toughness structure is comparatively single usually, makes it probably buckle because of external force and lead to the problem that life reduces in the use.

2. The utility model can reduce the abrasion of the external substance to the cable main body by arranging the outer sheath;

the cable core can be prevented from being damaged by external high temperature by arranging the heat insulation layer;

by arranging the sealing filling layer, the cable core can be prevented from being corroded by external moisture;

the toughness layer is arranged, so that better toughness can be provided for the cable main body;

by arranging the reinforcing layer, better supporting strength can be provided for the cable main body;

by arranging the second flame-retardant layer, the cable main body can be prevented from being ignited by external open fire;

by arranging the heat insulation connecting part, the second flame-retardant layer and the first flame-retardant layer can be conveniently connected while the heat insulation and flame retardance are realized;

through setting up first fire-retardant layer, can be on the basis of the fire-retardant layer amount of second further improvement cable body's fire proofness.

Drawings

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

fig. 2 is a schematic sectional view of a partial structure of the present invention.

In the figure: the cable comprises a cable body 1, a toughness layer 2, a supporting cable 3, a reinforcing layer 4, a cable core 5, a composite layer 6, an outer sheath 7, an insulating layer 8, a heat insulating layer 9, a sealing filling layer 10, a second flame-retardant layer 11, a heat insulating connecting layer 12 and a first flame-retardant layer 13.

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 provides a parts such as cable main part 1, toughness layer 2, supporting cable 3, back up coat 4, cable core 5, composite bed 6, oversheath 7, insulating layer 8, insulating layer 9, sealed filling layer 10, the fire-retardant layer 11 of second, thermal-insulated articulamentum 12 and first fire-retardant layer 13 are general standard or the part that technical staff in the field knows, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical staff in the field.

Please refer to fig. 1-2, a cable with good fireproof effect, comprising a cable body 1 and a supporting cable 3, wherein the cable body 1 comprises a cable core 5, an outer surface fixing sleeve of the cable core 5 is provided with an insulating layer 8, an outer surface of the insulating layer 8 is provided with a flexible layer 2, one side of the flexible layer 2 away from the insulating layer 8 is provided with a thermal insulation layer 9, an outer surface fixing sleeve of the thermal insulation layer 9 is provided with a composite layer 6, the composite layer 6 comprises a first flame-retardant layer 13, an outer surface fixing sleeve of the first flame-retardant layer 13 is provided with a heat insulation joint 12, an outer surface fixing sleeve of the heat insulation joint 12 is provided with a second flame-retardant layer 11, the supporting cable 3 comprises a flexible layer 2, and an outer surface fixing sleeve of the flexible layer 2 is provided with a reinforcing layer 4.

The outer surface of the composite layer 6 is fixedly sleeved with an outer sheath 7, and the outer sheath 7 is made of wear-resistant rubber material.

And a sealing filling layer 10 is filled between the insulating layer 8 and the heat insulating layer 9, and the sealing filling layer 10 is made of waterproof sealing paste material.

The first flame-retardant layer 13 is made of asbestos materials, the second flame-retardant layer 11 is made of basalt fiber materials, and the heat insulation connecting part 12 is made of aerogel felt materials.

The insulating layer 8 is made of insulating mica material, and the thickness of the insulating layer 8 is 0.1mm-0.15 mm.

The toughness layer 2 is made of glass fiber materials, the reinforcing layer 4 is formed by coating carbon fiber materials, and the heat insulation layer 9 is formed by filling aluminum hydroxide particle materials.

During the use, through setting up oversheath 7, can reduce the wearing and tearing of foreign matter to cable main part 1, through setting up insulating layer 9, can avoid external high temperature to cause the damage to cable core 5, through setting up sealed filling layer 10, can avoid external moisture to cause the erosion to cable core 5, through setting up toughness layer 2, can provide better toughness for cable main part 1, through setting up back up coat 4, can provide better support strength for cable main part 1, through setting up the fire-retardant layer 11 of second, can avoid external naked light to ignite cable main part 1, through setting up thermal-insulated junction 12, can be in thermal-insulated fire-retardant, be convenient for the connection between the fire-retardant layer 11 of second and the first fire-retardant layer 13, through setting up first fire-retardant layer 13, can be on the basis of the fire-retardant layer 11 volume of second further improvement cable main part 1's fire behavior.

In summary, the following steps: this cable that fireproof effect is good, through setting up cable main part 1, toughness layer 2, supporting cable 3, back up coat 4, cable core 5, composite bed 6, insulating layer 9, sealed filling layer 10, the fire-retardant layer 11 of second, thermal-insulated articulamentum 12 and the cooperation on first fire-retardant layer 13 are used, it is comparatively single to have solved current cable its structure that prevents fires heat-insulating in the use, make its fireproof effect relatively poor, and toughness structure is comparatively single usually, make it can buckle because of external force and lead to the problem that life reduces in the use.

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 cable that fire prevention effect is good, includes cable main part (1) and support cable (3), its characterized in that: cable body (1) includes cable core (5), the fixed surface cover of cable core (5) is equipped with insulating layer (8), the surface of insulating layer (8) is provided with toughness layer (2), one side that insulating layer (8) were kept away from in toughness layer (2) is provided with insulating layer (9), the fixed surface cover of insulating layer (9) is equipped with composite bed (6), composite bed (6) are including first fire-retardant layer (13), the fixed surface cover of first fire-retardant layer (13) is equipped with thermal-insulated junction (12), the fixed surface cover of thermal-insulated junction (12) is equipped with the fire-retardant layer of second (11), support cable (3) are including toughness layer (2), the fixed surface cover of toughness layer (2) is equipped with back up coat (4).

2. The cable with good fireproof effect according to claim 1, wherein: the outer surface of the composite layer (6) is fixedly sleeved with an outer sheath (7), and the outer sheath (7) is made of wear-resistant rubber materials.

3. The cable with good fireproof effect according to claim 1, wherein: and a sealing filling layer (10) is filled between the insulating layer (8) and the heat insulating layer (9), and the sealing filling layer (10) is made of a waterproof sealing paste material.

4. The cable with good fireproof effect according to claim 1, wherein: the first flame-retardant layer (13) is made of asbestos materials, the second flame-retardant layer (11) is made of basalt fiber materials, and the heat insulation joint (12) is made of aerogel felt materials.

5. The cable with good fireproof effect according to claim 1, wherein: the insulating layer (8) is made of insulating mica materials, and the thickness of the insulating layer (8) is 0.1mm-0.15 mm.

6. The cable with good fireproof effect according to claim 1, wherein: the heat-insulating layer is characterized in that the toughness layer (2) is made of glass fiber materials, the reinforcing layer (4) is formed by coating carbon fiber materials, and the heat-insulating layer (9) is formed by filling aluminum hydroxide particle materials.