CN216054008U - Special fire-fighting dual-flame-retardant power cable - Google Patents
Special fire-fighting dual-flame-retardant power cable Download PDFInfo
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- CN216054008U CN216054008U CN202122792661.0U CN202122792661U CN216054008U CN 216054008 U CN216054008 U CN 216054008U CN 202122792661 U CN202122792661 U CN 202122792661U CN 216054008 U CN216054008 U CN 216054008U
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Abstract
The utility model discloses a special dual-flame-retardant power cable for fire fighting, which comprises a first conductor, wherein second conductors are uniformly arranged around the center of the periphery of the first conductor, high-temperature-resistant layers are filled on the peripheries of the first conductor and the second conductors, protective strips are uniformly arranged around the center of the periphery of the high-temperature-resistant layers, flame-retardant layers are sleeved on the peripheries of the high-temperature-resistant layers, insulating sleeves are sleeved on the peripheries of the flame-retardant layers, and protective sleeves are respectively clamped on two sides of each insulating sleeve. Have relevant high temperature resistant structure to avoid cable inner structure to receive high temperature for a long time and influence and impaired, promoted life, simultaneously, the personnel's dismouting of still being convenient for carries out the split operation to the cable, thereby has promoted the simple operation nature by a wide margin.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a dual-flame-retardant power cable special for fire fighting.
Background
The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, has a gradually increasing proportion in the power line, and is used for transmitting and distributing high-power electric energy in a trunk line of a power system, and comprises 1-500KV and various voltage grades above.
Used power cable of fire control then has higher demand to the fire resistance, and the special power cable of current fire control all has only simple possessed flame retardant efficiency, and to under the condition that the cable exposes, then easily because of stepping on the condition such as lead to the fact wearing and tearing scheduling problem, reduced the protectiveness, and simultaneously, under protective structure is too loaded down with trivial details the condition, then the personnel of not being convenient for carry out the split operation to the cable to the simple operation has been reduced by a wide margin.
The existing double-flame-retardant power cable special for fire fighting also has the following disadvantages: lack relevant high temperature resistant structure for cable inner structure receives influence under the external high temperature condition for a long time, has reduced life, and simultaneously, protective structure is under the too loaded down with trivial details condition, then the personnel of not being convenient for carry out the split operation to the cable, thereby has reduced the simple operation nature by a wide margin. Therefore, the dual-flame-retardant power cable special for fire fighting is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a dual-flame-retardant power cable special for fire fighting, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a special two fire-retardant type power cable of fire control, includes first conductor, first conductor periphery evenly is equipped with the second conductor around central point puts, first conductor and second conductor periphery are filled up and are equipped with high temperature resistant layer, high temperature resistant layer periphery evenly is equipped with the protecting strip around central point puts, high temperature resistant layer periphery cover is equipped with fire-retardant layer, fire-retardant layer periphery cover is equipped with insulating cover, the equal clamping sleeve in insulating cover both sides has the lag.
Further, the high-temperature resistant layer is made of ceramic fiber cotton, and the flame retardant layer is made of a flame retardant material; through high temperature resistant layer for ceramic fiber cotton parcel first conductor and second conductor, avoid both to receive high temperature for a long time and influence and impaired, promoted life.
Further, the protective strip is made of steel wire materials; the protective strip is made of steel wire materials, has certain toughness, and can be used for preventing the inner conductor from being broken when the cable is bent.
Furthermore, fixing strips are arranged at the top and the bottom between the protective sleeves, screws penetrate through the two sides of the top of each fixing strip through reserved threaded holes, and the fixing strips are fixed on the surfaces of the protective sleeves through the screws; wrap up the formula protection to the cable periphery through the lag to utilize the fixed strip of screw cooperation to fix the lag.
Further, a mineral fire barrier layer is filled between the periphery of the protective strip and the flame-retardant layer, and mica particles are filled in the mineral fire barrier layer; the mica particles are filled in the flame retardant layer, which is a flame retardant material and a mineral substance fire barrier layer, so that a double flame retardant effect is achieved, and the effect of protecting the cable is realized.
Further, the insulating sleeve is made of polyvinyl chloride material; the insulating effect of the material is improved by the insulating sleeve made of the polyvinyl chloride material.
Compared with the prior art, the utility model has the following beneficial effects:
1. through setting up high temperature resistant layer, utilize high temperature resistant layer for ceramic fiber cotton parcel first conductor and second conductor, avoid both to receive high temperature for a long time and influence and impaired to life has been promoted by a wide margin.
2. Through setting up lag, fixed strip and screw, utilize the lag to wrap up the formula protection to the cable periphery to utilize screw cooperation fixed strip to fix the lag, when needs are torn down the inside cable, usable screw is got and is unloaded the fixed strip and is separated the lag, so that the personnel carry out further operation to the cable body, thereby has promoted the simple operation nature by a wide margin.
Drawings
Fig. 1 is a schematic view of the overall structure of a dual flame retardant power cable for fire protection according to the present invention.
Fig. 2 is a schematic side view of a fixing strip and a screw of the dual flame retardant power cable for fire fighting.
In the figure: 1. a first conductor; 2. a second conductor; 3. a high temperature resistant layer; 4. a protective strip; 5. a flame retardant layer; 6. a mineral fire barrier layer; 7. an insulating sleeve; 8. a protective sleeve; 10. a fixing strip; 11. and (4) screws.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-2, a fire-fighting dedicated dual-flame-retardant power cable comprises a first conductor 1, wherein a second conductor 2 is uniformly arranged around a central position on the periphery of the first conductor 1, a high-temperature-resistant layer 3 is filled on the peripheries of the first conductor 1 and the second conductor 2, a protective strip 4 is uniformly arranged around the central position on the periphery of the high-temperature-resistant layer 3, a flame-retardant layer 5 is sleeved on the periphery of the high-temperature-resistant layer 3, an insulating sleeve 7 is sleeved on the periphery of the flame-retardant layer 5, and protective sleeves 8 are respectively sleeved on two sides of the insulating sleeve 7 in a clamping manner.
Wherein the high temperature resistant layer 3 is ceramic fiber cotton, and the flame retardant layer 5 is a flame retardant material; through high temperature resistant layer 3 for first conductor 1 of ceramic fiber cotton parcel and second conductor 2, avoid both to receive high temperature for a long time and influence and impaired, promoted life.
Wherein, the protective strip 4 is made of steel wire material; the protective strip 4 is made of steel wire material and has certain toughness, so that when the cable is bent, the inner conductor is protected from breakage.
A mineral fire-insulating layer 6 is filled between the periphery of the protective strip 4 and the flame-retardant layer 5, and mica particles are filled in the mineral fire-insulating layer 6; the flame retardant layer 5 is used as a flame retardant material, and mica particles are filled in the mineral substance fire insulation layer 6 to achieve the double flame retardant effect, so that the cable protection effect is realized.
Wherein, the insulating sleeve 7 is made of polyvinyl chloride material; the insulating sleeve 7 is made of polyvinyl chloride material, so that the insulating effect of the material is realized, and the external protection performance is improved.
It should be noted that, the utility model is a fire-fighting special dual-flame-retardant power cable, when in use, the first conductor 1 and the second conductor 2 are used for transmitting power, the first conductor 1 and the second conductor 2 are wrapped by ceramic fiber cotton through the high temperature resistant layer 3, the first conductor 1 and the second conductor 2 are prevented from being damaged due to long-term high temperature influence, the service life is prolonged, meanwhile, the protective strip 4 is made of steel wire material and has certain toughness, when the cable is bent, the inner conductor is protected from breakage, the flame retardant layer 5 is made of flame retardant material and the mineral substance fire barrier layer 6 is filled with mica particles to achieve dual-flame-retardant effect, the cable protection effect is realized, meanwhile, the insulating sleeve 7 is made of polyvinyl chloride material to realize the insulating effect of the material, the external protection performance is improved, the cable periphery is protected in a wrapping manner through the protective sleeve 8, and the protective sleeve 8 is fixed by the screw 11 in cooperation with the fixing strip 10, when the internal cable needs to be detached, the protective sleeve 8 can be separated by detaching the fixing strip 10 through the screw 11, so that a person can further operate the cable body.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a special two fire-retardant type power cable of fire control, includes first conductor (1), its characterized in that, first conductor (1) periphery is put around central point and evenly is equipped with second conductor (2), first conductor (1) and second conductor (2) periphery are filled out and are equipped with high temperature resistant layer (3), high temperature resistant layer (3) periphery is put around central point and evenly is equipped with protecting strip (4), the peripheral cover of high temperature resistant layer (3) is equipped with fire-retardant layer (5), the peripheral cover of fire-retardant layer (5) is equipped with insulating cover (7), the equal card cover in insulating cover (7) both sides has lag (8).
2. The fire-fighting special double-flame-retardant power cable according to claim 1, characterized in that: the high-temperature resistant layer (3) is made of ceramic fiber cotton, and the flame retardant layer (5) is made of a flame retardant material.
3. The fire-fighting special double-flame-retardant power cable according to claim 1, characterized in that: the protective strip (4) is made of steel wire materials.
4. The fire-fighting special double-flame-retardant power cable according to claim 1, characterized in that: all be equipped with fixed strip (10) top and bottom between lag (8), fixed strip (10) top both sides all have screw (11) through reserving the screw hole penetration, fixed strip (10) all are fixed in lag (8) surface through screw (11).
5. The fire-fighting special double-flame-retardant power cable according to claim 1, characterized in that: mineral substance fire barrier layer (6) is filled between the periphery of the protective strip (4) and the flame-retardant layer (5), and mica particles are filled in the mineral substance fire barrier layer (6).
6. The fire-fighting special double-flame-retardant power cable according to claim 1, characterized in that: the insulating sleeve (7) is made of polyvinyl chloride material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122792661.0U CN216054008U (en) | 2021-11-16 | 2021-11-16 | Special fire-fighting dual-flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122792661.0U CN216054008U (en) | 2021-11-16 | 2021-11-16 | Special fire-fighting dual-flame-retardant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054008U true CN216054008U (en) | 2022-03-15 |
Family
ID=80553407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122792661.0U Active CN216054008U (en) | 2021-11-16 | 2021-11-16 | Special fire-fighting dual-flame-retardant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054008U (en) |
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2021
- 2021-11-16 CN CN202122792661.0U patent/CN216054008U/en active Active
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