CN220796324U - Fire-resistant cable - Google Patents
Fire-resistant cable Download PDFInfo
- Publication number
- CN220796324U CN220796324U CN202322407291.3U CN202322407291U CN220796324U CN 220796324 U CN220796324 U CN 220796324U CN 202322407291 U CN202322407291 U CN 202322407291U CN 220796324 U CN220796324 U CN 220796324U
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- Prior art keywords
- fire
- layer
- fixed
- connecting rod
- resistant
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 29
- 239000003063 flame retardant Substances 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 16
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model relates to a fire-resistant cable which comprises a cable core and a connecting rod, wherein a tinfoil layer is wrapped on the outer side of the cable core, a limiting ring is fixed on the outer side of the tinfoil layer, the connecting rod is fixed between two adjacent limiting rings, insulating layers are wrapped on the outer sides of the limiting rings and the connecting rod, and a fire-resistant layer is fixed on the outer side of the insulating layers. This fire-resistant cable uses through the mutually supporting of tin foil layer, the spacing ring, the connecting rod, the insulating layer, the flame retardant coating, gag lever post and anticorrosive coating that set up, can reach shielding, insulation, fire-resistant, strengthen the purpose of connecting and anticorrosive, the tin foil layer can play the effect of shielding, the connecting rod can be continuous two adjacent spacing rings for the structure of whole device is more stable firm, insulating layer and flame retardant coating can exert insulating and fire-resistant effect respectively, make the device use safer and more reliable, the connecting between insulating layer and the flame retardant coating can be strengthened to the gag lever post, anticorrosive characteristic can be exerted to the anticorrosive coating.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a fire-resistant cable.
Background
The power cable is taken as one of the largest matched industries in national economy, is an essential component part in a power transmission and transformation equipment system, is the basis of each industry, is widely applied to large-scale power stations and power transmission line processes, airports, subways, cross-river, cross-sea and other occasions, is self-known as 'blood vessels' and 'nerves' of the national economy, is closely related to the development of the national economy, and is rapidly developed along with the continuous development of the urban development of China, the urban power consumption and the power consumption quality are continuously improved, and the medium-voltage power cable power transmission network is rapidly developed.
After mass search, the cable in the prior art is typically found as a cable with publication number CN 216980148U. The cable includes: the cable core comprises a plurality of insulating wire cores and a filling part arranged between two adjacent insulating wire cores; the sheath is sleeved outside the cable core and comprises an annular sheath body and a structural reinforcing piece, wherein the annular sheath body is provided with a mounting hole, and the structural reinforcing piece is arranged in the mounting hole in a penetrating manner; wherein, the structural reinforcement is made of at least one of glass fiber yarn, polypropylene fiber yarn, kevlar fiber yarn and carbon fiber yarn.
In summary, the existing cable generates a large amount of heat when in use, the occurrence probability of fire accident of the cable is increased if the fire resistance of the cable is poor, once the cable is in fire, the cable is burnt out to a large area, production cannot be recovered in a short time, thus causing economic and significant loss, and aiming at the problems, the existing equipment needs to be improved.
Disclosure of Invention
The utility model aims to provide a fire-resistant cable, which solves the problems that the existing cable in the background art can generate a large amount of heat when in use, the occurrence probability of fire accidents of the cable can be increased if the fire resistance of the cable is poor, the cable can cause large-area cable burning loss once the cable is in fire, and production cannot be restored in a short time, so that economic and significant loss can be caused.
The utility model provides a fire-resistant cable, which comprises a cable core and a connecting rod, wherein a tinfoil layer is wrapped on the outer side of the cable core, a limiting ring is fixed on the outer side of the tinfoil layer, the connecting rod is fixed between two adjacent limiting rings, insulating layers are wrapped on the outer sides of the limiting rings and the connecting rod, and a fire-resistant layer is fixed on the outer side of the insulating layers.
Preferably, the refractory layer is made of a flame retardant halogen free material.
Through the technical scheme, the fire-resistant layer can play a role in flame retardance and fire resistance.
Preferably, a limiting rod is fixed on the outer side of the insulating layer, and the limiting rod is inlaid on the inner wall of the refractory layer.
Through above-mentioned technical scheme, the gag lever post can play the effect of strengthening the connection.
Preferably, the limit rods are circumferentially and uniformly distributed on the insulating layer.
Through above-mentioned technical scheme, circumference evenly distributed's gag lever post can make insulating layer and flame retardant coating inseparabler connection fix together.
Preferably, an anti-corrosion layer is fixed on the outer side of the refractory layer.
Through the technical scheme, the anti-corrosion layer has anti-corrosion characteristics.
Preferably, a net sleeve is fixed on the outer side of the anti-corrosion layer.
Through the technical scheme, the net sleeve can play a role in increasing strength.
The technical means of the utility model has the following technical effects:
1. this fire-resistant cable uses through the cooperation of tin foil layer, spacing ring, connecting rod, insulating layer and the flame retardant coating that set up, can reach shielding, insulating and fire-resistant purpose, and the tin foil layer can play the effect of shielding, and the connecting rod can be continuous two adjacent spacing rings for the structure of whole device is more stable firm, and insulating layer and flame retardant coating can exert insulating and fire-resistant effect respectively, makes the device use safe and reliable more.
2. This fire-resistant cable uses through the mutually supporting of insulating layer, flame retardant coating, gag lever post and the anticorrosive coating that set up, can reach the purpose of strengthening connection and anticorrosive, and the gag lever post can strengthen the connection between insulating layer and the flame retardant coating, and anticorrosive coating can exert anticorrosive characteristic.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic diagram of the connection structure of the limiting ring and the connecting rod according to the present utility model;
fig. 3 is a schematic view of the structure of the stop lever of the present utility model.
In the figure: 1. a cable core; 2. a tin foil layer; 3. a limiting ring; 4. a connecting rod; 5. an insulating layer; 6. a refractory layer; 7. a limit rod; 8. an anti-corrosion layer; 9. a net cover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The preferred embodiment of the fire-resistant cable provided by the utility model is shown in fig. 1 to 2, and comprises a cable core 1 and a connecting rod 4, wherein a tinfoil layer 2 is wrapped on the outer side of the cable core 1, a limiting ring 3 is fixed on the outer side of the tinfoil layer 2, the connecting rod 4 is fixed between two adjacent limiting rings 3, an insulating layer 5 is wrapped on the outer sides of the limiting rings 3 and the connecting rod 4, and a fire-resistant layer 6 is fixed on the outer side of the insulating layer 5.
In this embodiment, flame retardant coating 6 is made by fire-retardant halogen-free material, and flame retardant effect is good by flame retardant coating 6 that fire-retardant halogen-free material made for the device can not quick burning, conveniently reaches the effect of protection.
Further, the outside of insulating layer 5 is fixed with gag lever post 7, and gag lever post 7 inlay on the inner wall of flame retardant coating 6, and the connection between insulating layer 5 and flame retardant coating 6 can be strengthened to gag lever post 7, makes insulating layer 5 and flame retardant coating 6 can be closely firm link together more.
Furthermore, the limit rods 7 are circumferentially and uniformly distributed on the insulating layer 5, and the circumferentially and uniformly distributed limit rods 7 can enable the connection between the insulating layer 5 and the refractory layer 6 to be more compact and firm.
Example 2
On the basis of the embodiment 1, the preferred embodiment of the fire-resistant cable provided by the utility model is shown in figures 2 to 3,
in this embodiment, the anticorrosive layer 8 is fixed on the outer side of the refractory layer 6, and the anticorrosive layer 8 has an anticorrosive property, so that the device can be used in an acid-base environment.
Further, the outside of the anti-corrosion layer 8 is fixed with a net cover 9, and the net cover 9 can increase the strength of the device.
When the device is used, the tin foil layer 2 can play a shielding role, the limiting rings 3 play a role in wrapping and limiting the tin foil layer 2, the connecting rods 4 play a role in connecting two adjacent limiting rings 3, the structure of the whole device is more stable and firm, the insulating layer 5, the fire-resistant layer 6 and the anti-corrosion layer 8 can play the characteristics of insulation, fire resistance and corrosion resistance respectively, the net sleeve 9 plays a role in increasing strength, and the whole work is completed.
In summary, the fire-resistant cable achieves the purposes of shielding, insulation, fire resistance, reinforced connection and corrosion resistance, and meets the use requirements of people.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fire-resistant cable, includes cable core (1) and connecting rod (4), the outside parcel of cable core (1) has tinfoil layer (2), the outside of tinfoil layer (2) is fixed with spacing ring (3), connecting rod (4) are fixed between two adjacent spacing rings (3), its characterized in that: the outer sides of the limiting rings (3) and the connecting rods (4) are wrapped with insulating layers (5), and fire-resistant layers (6) are fixed on the outer sides of the insulating layers (5).
2. A fire resistant cable according to claim 1 wherein: the fire-resistant layer (6) is made of a flame-retardant halogen-free material.
3. A fire resistant cable according to claim 1 wherein: the outside of insulating layer (5) is fixed with gag lever post (7), and gag lever post (7) inlay on the inner wall of flame retardant coating (6).
4. A fire resistant cable according to claim 3, wherein: the limit rods (7) are circumferentially and uniformly distributed on the insulating layer (5).
5. A fire resistant cable according to claim 1 wherein: an anti-corrosion layer (8) is fixed on the outer side of the fireproof layer (6).
6. A fire resistant cable according to claim 5 wherein: the outside of the anti-corrosion layer (8) is fixed with a net sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407291.3U CN220796324U (en) | 2023-09-05 | 2023-09-05 | Fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407291.3U CN220796324U (en) | 2023-09-05 | 2023-09-05 | Fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220796324U true CN220796324U (en) | 2024-04-16 |
Family
ID=90660260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322407291.3U Active CN220796324U (en) | 2023-09-05 | 2023-09-05 | Fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220796324U (en) |
-
2023
- 2023-09-05 CN CN202322407291.3U patent/CN220796324U/en active Active
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