CN218159694U

CN218159694U - Special fire-fighting dual-flame-retardant power cable

Info

Publication number: CN218159694U
Application number: CN202220915006.1U
Authority: CN
Inventors: 安冠行
Original assignee: Chongqing Kunchuan Chenxing Cable Co ltd
Current assignee: Chongqing Kunchuan Chenxing Cable Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-12-27
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a special two fire-retardant type power cable of fire control, including a main part, the inside main part that is provided with a plurality of No. two of main part, a main part surface fixed mounting has fire-retardant layer, fire-retardant layer surface fixed mounting has the inoxidizing coating, the inside fixed mounting of No. two main parts has a plurality of sinle silks, and is a plurality of No. two the main part is ring array and distributes, and is a plurality of the sinle silk is ring array and distributes, fixed mounting has the back up coat between a main part and the fire-retardant layer. A special two fire-retardant type power cable of fire control, through setting up back up coat and fire-retardant layer and inoxidizing coating, through rubber strip and rubber coil's effect down, can improve power cable's the effect of pressing of preventing to under the effect of flame retardant coating and insulating layer, can improve power cable's flame retardant efficiency, through under the effect of wearing layer and filling layer, can improve power cable's wear-resisting effect.

Description

Special fire-fighting dual-flame-retardant power cable

Technical Field

The utility model relates to a power cable technical field, in particular to special two fire-retardant type power cable of fire control.

Background

The power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, is mostly composed of four parts, namely a conductor, an insulating layer, a shielding layer and a protective layer, and is commonly used in the fields of urban underground power grids, power station leading-out lines, power supply in industrial and mining enterprises, power transmission lines under river-crossing seawater, fire protection and power transmission and the like.

The existing power cable has the following problems: 1. present power cable flame retardant efficiency is poor, and wear-resisting effect is poor simultaneously, makes power cable cause wearing and tearing easily to influence the availability factor, 2, current power cable prevent pressing the effect poor, make power cable cause the damage easily, thereby caused the limitation that this special two fire-retardant type power cable of fire control used, so, we propose a special two fire-retardant type power cable of neotype fire control.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a special two fire-retardant type power cable of fire control can effectively solve the problem in the background art.

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

the utility model provides a special two fire-retardant type power cable of fire control, includes the main part No. one, the inside main part that is provided with a plurality of No. two of main part, main part surface fixed mounting has fire-retardant layer No. one, fire-retardant layer surface fixed mounting has the inoxidizing coating, no. two inside fixed mounting of main part has a plurality of sinle silks, and is a plurality of No. two the main part is ring array and distributes, and is a plurality of the sinle silks are ring array and distribute, fixed mounting has the back up coat between a main part and the fire-retardant layer.

Preferably, the reinforcing layer comprises a plurality of rubber strips, a plurality of rubber coils are inserted and connected among the plurality of rubber strips, and the rubber strips are connected to the outer surface of the first main body; under the effect through rubber strip and rubber coil, can improve power cable's the effect of preventing pressing.

Preferably, a plurality of the rubber strips are distributed in an annular array, a plurality of the rubber coils are distributed at equal intervals, and the rubber coils are inserted in the rubber strips in a penetrating mode.

Preferably, the flame-retardant layer comprises a heat-insulating layer, a fireproof layer is fixedly connected to the outer surface of the heat-insulating layer, a copper wire is fixedly connected to the outer surface of the fireproof layer, and the heat-insulating layer is connected to the outer surface of the reinforcing layer; under the effect through flame retardant coating and insulating layer, can improve power cable's fire-retardant effect.

Preferably, the protective layer comprises a filling layer, the outer surface of the filling layer is fixedly connected with a bonding layer, the outer surface of the bonding layer is fixedly connected with a wear-resistant layer, a front-back through connecting groove is formed in the filling layer, and the filling layer is connected to the outer surface of the flame-retardant layer; under the effect through wearing layer and filling layer, can improve power cable's wear-resisting effect.

Preferably, the flame retardant layer is connected within the connection groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, through the arrangement of the protective layer and the flame-retardant layer, when the power cable is used, the power cable needs to be moved according to the requirement, so that the power cable is easy to wear, the wear-resistant effect of the power cable can be improved under the action of the wear-resistant layer and the filling layer, so that the service life of the power cable is prolonged, the heat insulation and fire prevention effects of the power cable can be improved under the action of the fireproof layer and the heat insulation layer, and the connection effect of the fireproof layer and the heat insulation layer can be improved under the action of the copper wire;

2. the utility model discloses in, through setting up the back up coat, when using, connect the rubber strip between a main part and fire-retardant layer to establish ties the rubber strip by a plurality of rubber coil and be in the same place, thereby form the parcel to a main part, make power cable and under the extrusion of external force, can not cause the damage, thereby improve and prevent pressing the effect.

Drawings

Fig. 1 is a schematic view of the overall structure of a dual flame retardant power cable for fire fighting of the present invention;

fig. 2 is a schematic view of the overall structure of the reinforcing layer of the dual flame retardant power cable for fire fighting;

fig. 3 is a schematic view of the overall structure of the flame retardant layer of the dual flame retardant power cable for fire fighting;

fig. 4 is the utility model relates to a fire control special use is two fire-retardant type power cable's overall structure sketch map of inoxidizing coating.

In the figure: 1. a first body; 2. a second body; 3. a reinforcement layer; 4. a flame retardant layer; 5. a protective layer; 21. a wire core; 31. a rubber strip; 32. a rubber coil; 41. a fire barrier layer; 42. a copper wire; 43. a thermal insulation layer; 51. a filling layer; 52. an adhesive layer; 53. a wear layer; 54. and connecting the grooves.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

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 which the reference is made 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 as a specific case by those skilled in the art.

As shown in fig. 1-4, a special two fire-retardant type power cable of fire control, including a main part 1, a main part 1 is inside to be provided with a plurality of main parts 2 No. two, a main part 1 surface fixed mounting has fire-retardant layer 4, 4 surface fixed mounting on fire-retardant layer has inoxidizing coating 5, 2 inside fixed mounting of main part has a plurality of sinle silks 21 No. two, a plurality of main parts 2 are annular array and distribute, a plurality of sinle silks 21 are annular array and distribute, fixed mounting has back up coat 3 between a main part 1 and the fire-retardant layer 4.

The reinforcing layer 3 comprises a plurality of rubber strips 31, a plurality of rubber coils 32 are inserted and connected among the plurality of rubber strips 31, and the rubber strips 31 are connected to the outer surface of the first main body 1; the anti-pressing effect of the power cable can be improved under the action of the rubber strip 31 and the rubber coil 32; the plurality of rubber strips 31 are distributed in an annular array, the plurality of rubber coils 32 are distributed at equal intervals, and the rubber coils 32 are inserted into the rubber strips 31.

The flame-retardant layer 4 comprises a heat-insulating layer 43, the outer surface of the heat-insulating layer 43 is fixedly connected with a fireproof layer 41, the outer surface of the fireproof layer 41 is fixedly connected with a copper wire 42, and the heat-insulating layer 43 is connected to the outer surface of the reinforcing layer 3; the flame retardant effect of the power cable can be improved under the action of the fire-proof layer 41 and the heat insulation layer 43.

The protective layer 5 comprises a filling layer 51, the outer surface of the filling layer 51 is fixedly connected with an adhesive layer 52, the outer surface of the adhesive layer 52 is fixedly connected with a wear-resistant layer 53, a connecting groove 54 which is penetrated through from front to back is formed in the filling layer 51, and the filling layer 51 is connected to the outer surface of the flame-retardant layer 4; the wear-resistant effect of the power cable can be improved under the action of the wear-resistant layer 53 and the filling layer 51; the flame retardant layer 4 is attached in the attachment grooves 54.

It should be noted that, the utility model relates to a special two fire-retardant type power cable of fire control, through setting up inoxidizing coating 5 and fire-retardant layer 4, when power cable is using, need remove according to required requirement for power cable easily causes wearing and tearing, through wearing layer 53 and filling layer 51 under the effect, can improve power cable's wear-resisting effect, thereby prolong power cable's life, and by flame retardant coating 41 and insulating layer 43 under the effect, can improve power cable's thermal-insulated and fire prevention effect, and under copper wire 42's effect, can improve flame retardant coating 41 and insulating layer 43's connection effect; through setting up back up coat 3, when using, connect rubber strip 31 between a main part 1 and fire-retardant layer 4 to establish ties rubber strip 31 by a plurality of rubber coil 32 and be in the same place, thereby form the parcel to a main part 1, make power cable and under the extrusion of external force, can not cause the damage, thereby improve and prevent pressing the effect.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fire control special use is fire-retardant type power cable doubly, includes a main part (1), its characterized in that: a main part (1) is inside to be provided with a plurality of main parts (2) No. two, main part (1) surface fixed mounting has fire-retardant layer (4), fire-retardant layer (4) surface fixed mounting has inoxidizing coating (5), no. two the inside fixed mounting of main part (2) has a plurality of sinle silk (21), and is a plurality of No. two main parts (2) are annular array and distribute, and are a plurality of sinle silk (21) are annular array and distribute, fixed mounting has back up coat (3) between main part (1) and fire-retardant layer (4).

2. The dual-flame-retardant power cable special for fire protection according to claim 1, wherein: the reinforced layer (3) includes rubber strip (31), rubber strip (31) set up to a plurality ofly, and is a plurality of all alternate between rubber strip (31) and be connected with a plurality of rubber coil (32), rubber strip (31) are connected at main part (1) surface No. one.

3. The fire-fighting special double-flame-retardant power cable according to claim 2, characterized in that: a plurality of rubber strip (31) are the distribution of annular array, and are a plurality of rubber coil (32) are equidistance and distribute, rubber coil (32) alternate on rubber strip (31).

4. The fire-fighting special double-flame-retardant power cable according to claim 3, characterized in that: the flame-retardant layer (4) comprises a heat-insulating layer (43), the outer surface of the heat-insulating layer (43) is fixedly connected with a fireproof layer (41), the outer surface of the fireproof layer (41) is fixedly connected with a copper wire (42), and the heat-insulating layer (43) is connected to the outer surface of the reinforcing layer (3).

5. The fire-fighting special double-flame-retardant power cable according to claim 4, characterized in that: the protective layer (5) comprises a filling layer (51), the outer surface of the filling layer (51) is fixedly connected with an adhesive layer (52), the outer surface of the adhesive layer (52) is fixedly connected with a wear-resistant layer (53), a connecting groove (54) which is penetrated through from front to back is formed inside the filling layer (51), and the filling layer (51) is connected to the outer surface of the flame-retardant layer (4).

6. The fire-fighting special double-flame-retardant power cable according to claim 5, characterized in that: the flame-retardant layer (4) is connected in a connecting groove (54).