CN211828180U - Tensile type fireproof flame-retardant cable - Google Patents
Tensile type fireproof flame-retardant cable Download PDFInfo
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- CN211828180U CN211828180U CN202020140576.9U CN202020140576U CN211828180U CN 211828180 U CN211828180 U CN 211828180U CN 202020140576 U CN202020140576 U CN 202020140576U CN 211828180 U CN211828180 U CN 211828180U
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- layer
- fireproof
- cable
- sinle silk
- spring
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 19
- 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 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 10
- 229910052909 inorganic silicate Inorganic materials 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 65
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 239000011247 coating layer Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 229920006231 aramid fiber Polymers 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a cable field discloses tensile type fire prevention flame retarded cable, and it includes sinle silk (1), still establishes protective sheath (2) outside sinle silk (1) including the cover, and sinle silk (1) outer parcel has back up coat (4), flame retardant coating (5) and waterproof layer (6), still including setting up installation skeleton (3) in protective sheath (2), and installation skeleton (3) are including well core rod (31) and rubber soft cover (32), and sinle silk (1) is installed outside rubber soft cover (32). The utility model discloses an aramid fiber silk increases the pliability of cable, makes the cable be difficult to be pulled and splits, guarantees the security of using, has improved the fire behavior of this cable through two-layer flame retardant coating, and inorganic silicate fire protection coating, can effectively completely cut off the heat conduction effect between heat source and each cable layer, improves good fire prevention and flame retardant efficiency, realizes the fire prevention function of cable, prolongs the life of cable.
Description
Technical Field
The utility model relates to a cable field has especially related to tensile type fire prevention flame retarded cable.
Background
When the electric wire and cable quantity increases fast, some service problems have also appeared, for example the scene such as naval vessel, oil production platform, petrochemical industry enterprise, large-scale power station has proposed higher requirement to the pliability and the fire prevention fire resistance of cable, and current cable can not effectual fire prevention fire-retardant in the application, and it is pulled apart easily under adverse circumstances, leads to inside electric wire to expose, is unfavorable for the safety and stability work of cable.
With the rise of urban construction, cables are more and more widely used, the cables which need to be used at present need to have a series of excellent performances such as high strength, tensile strength, wear resistance, torsion resistance, bending resistance, oil resistance, ultraviolet resistance, acid and alkali resistance, corrosion resistance, water resistance, difficult core wire breakage, no sheath cracking and the like, the cables which can meet the performances are high in price in the market at present and difficult to meet all requirements, and the production of the cables meeting the requirements by common materials is a key point provided by the requirements at this time.
At present, a tensile type cable, the utility model patent of patent No. 201420493629.X separates each cable core conductor and places, avoids the electromagnetic mutual interference between each cable core conductor, has guaranteed the transmission reliability, can increase the tensile ability of this device through the tensile copper wire simultaneously, avoids the cable to be broken at the in-process of laying, and it is troublesome to reduce unnecessary, and the structure of this device is comparatively simple, and it is comparatively convenient to make, is fit for using widely. The problems of insufficient tensile strength and electromagnetic mutual interference are solved, but the defect of insufficient tensile strength is also existed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses shortcoming to tensile ability not enough among the prior art provides tensile type fire prevention flame retarded cable.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
tensile type fire prevention flame retarded cable, including the sinle silk, still establish the protective sheath outside the sinle silk including the cover, the outer parcel of sinle silk has the back up coat, flame retardant coating and waterproof layer, still including setting up the installation skeleton in the protective sheath, the installation skeleton includes well core rod and cover and establishes the rubber flexible sleeve outside well core rod, install a plurality of swivel becket on well core rod, pass through spring coupling between swivel becket and the rubber flexible sleeve, the sinle silk is installed outside the rubber flexible sleeve, the rubber flexible sleeve outwards struts and compresses tightly the sinle silk on the inner wall of protective sheath through the effort of spring.
Preferably, the central rod is a rubber rod, a plurality of annular grooves are formed in the outer surface of the central rod, and a convex ring matched with the annular grooves is arranged on the inner wall of the rotating ring.
Preferably, the thickness of the rubber soft sleeve is 0.2-0.4 mm, the outer surface of the rubber soft sleeve is provided with a plurality of spirally arranged arc-shaped grooves, and the arc-shaped grooves are matched with the outer surface of the wire core.
Preferably, the springs comprise a plurality of supporting springs and matching springs, the inner ends of the matching springs are fixedly arranged on the rotating ring, the outer ends of the matching springs are provided with arc-shaped plates which are sunken towards the inner ends of the matching springs, the arc-shaped plates are attached to the rubber soft sleeves, the rubber soft sleeves form arc-shaped surfaces matched with the wire cores, and the supporting springs are arranged between every two adjacent matching springs.
Preferably, the fireproof layer has two layers, the fireproof layer comprises a first fireproof layer and a second fireproof layer, the waterproof layer is located between the first fireproof layer and the second fireproof layer, the first fireproof layer, the waterproof layer and the second fireproof layer are sequentially sleeved on the wire core from inside to outside, the inner wall of the first fireproof layer is provided with an inorganic silicate fireproof coating layer, and the inner wall of the second fireproof layer is provided with a fireproof composite material layer.
Preferably, the fire-resistant composite layer comprises polycarbonate, sulfonate fire retardant, talc, glass fiber, heat-conducting filler, polytetrafluoroethylene, and volcanic ash.
Preferably, still include the back up coat, the back up coat parcel is outside the second fire prevention layer, and the back up coat includes first back up coat and second back up coat, is equipped with the hole on the first back up coat, is equipped with on the second back up coat with hole complex arch.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: according to the scheme, the aramid fiber filaments are adopted to increase the flexibility of the cable, so that the cable is not easy to stretch and crack, the use safety is guaranteed, the fireproof performance of the cable is improved through the two fireproof layers, the inorganic silicate fireproof coating can effectively isolate the heat conduction effect between a heat source and each cable layer, good fireproof and flame-retardant effects are improved, the fireproof function of the cable is realized, the service life of the cable is prolonged, and the fireproof composite material is filled with the heat-conducting filler, so that the fireproof performance of the cable is further improved; in addition, through the effect of installation skeleton, play the effect of supporting the location to the line core, when can guaranteeing the outside and drag, inside cable still can normally work.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial method diagram of fig. 1.
Fig. 3 is a schematic view of the structure of the center rod and the rotating ring of fig. 1.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-sinle silk, 2-protective sheath, 3-installation skeleton, 4-back up coat, 5-flame retardant coating, 6-waterproof layer, 31-central pole, 32-rubber soft cover, 33-rotating ring, 34-spring, 311-annular groove, 321-arc recess, 331-bulge loop, 341-supporting spring, 342-cooperation spring, 3421-arc board, 41-first back up coat, 42-second back up coat, 51-first flame retardant coating, 52-second flame retardant coating.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
Tensile type fire prevention flame retarded cable, as shown in the figure, including sinle silk 1, still establish protective sheath 2 outside sinle silk 1 including the cover, the outer parcel of sinle silk 1 has back up coat 4, flame retardant coating 5 and waterproof layer 6, still including setting up the installation skeleton 3 in protective sheath 2, installation skeleton 3 includes that well core rod 31 and cover establish the rubber soft cover 32 outside well core rod 31, install a plurality of swivel rings 33 on the well core rod 31, connect through spring 34 between swivel ring 33 and the rubber soft cover 32, sinle silk 1 is installed outside rubber soft cover 32, rubber soft cover 32 outwards struts and compresses tightly sinle silk 1 on the inner wall of protective sheath 2 through spring 34's effort.
The central rod 31 is a rubber rod, the central rod 31 can be bent along with the wire core, the outer surface of the central rod 31 is provided with a plurality of annular grooves 311, and the inner wall of the rotating ring 33 is provided with a convex ring 331 matched with the annular grooves 311.
The thickness of the rubber soft sleeve 32 is 0.25mm, the outer surface of the rubber soft sleeve 32 is provided with a plurality of spirally arranged arc-shaped grooves 321, and the arc-shaped grooves 321 are matched with the outer surface of the wire core 1.
The spiral design of arc recess 321 can effectively make sinle silk 1 at the inside spiral distribution of protective sheath 1 for protective sheath 2 is when receiving external force to pull, and inside sinle silk 1 has certain extension range, prevents that sinle silk 1 from being directly pulled and the phenomenon of breaking off.
The arc-shaped groove 321 can be used for simultaneously placing a plurality of wire cores 1, and the wire cores are arranged according to a spiral track and are not easy to contact and knot.
The springs 34 are multiple, each spring 34 comprises a supporting spring 341 and a matching spring 342, the inner end of each matching spring 342 is fixedly arranged on the rotating ring 33, the outer end of each matching spring 342 is provided with an arc-shaped plate 3421 which is concave towards the inner end of each matching spring 342, each arc-shaped plate 3421 is attached to the rubber soft sleeve 32 to enable the rubber soft sleeve 32 to form an arc-shaped surface matched with the wire core 1, and each supporting spring 341 is arranged between every two adjacent matching springs 342.
When using, pass sinle silk 1 in protective sheath 2 earlier, protective sheath 2 is a hollow and both ends open-ended cylinder, the axis of well core rod 31 coincides with protective sheath 2's axis, swivel becket 33 on the well core rod 31 can rotate around well core rod 31, rubber soft cover 32 passes through spring 34 and is connected with swivel becket 33, when sinle silk 1 is installed in protective sheath 2, rubber soft cover 32 and sinle silk 1 contact compress tightly inside protective sheath 2, prevent that many sinle silks 1 from entangling in protective sheath 2 and knoing together, the effect of erection skeleton 3 can help fixing a position sinle silk 1 in protective sheath 2.
The rubber soft sleeve 32 has a small thickness and a certain elasticity, so that the arc-shaped plate 3421 at the outer end of the matching spring 342 can press on the rubber soft sleeve 32 and make the rubber soft sleeve 32 form a radian matched with the wire cores 1, thereby effectively preventing the position of the wire cores 1 from deviating, and the supporting spring 341 can push the rubber soft sleeve 32 to extend out and make the extending part be located between two wire cores 1, thereby preventing the wire cores 1 from directly contacting. The number of the rotating rings 33 is multiple, each rotating ring 33 is provided with at least two supporting springs 341 and at least two matching springs 342, and the number of the supporting springs 341 and the number of the matching springs 342 on the same rotating ring 33 are the same.
Example 2
The same as in example 1 except that the rubber boot 32 was 0.37mm thick.
Example 3
The same as in example 1 except that the rubber boot 32 was 0.3mm thick.
Example 4
The fireproof layer 5 is the same as the fireproof layer 5 in embodiment 1, and the fireproof layer 5 comprises a first fireproof layer 51 and a second fireproof layer 52, the waterproof layer 6 is located between the first fireproof layer 51 and the second fireproof layer 52, the first fireproof layer 51, the waterproof layer 6 and the second fireproof layer 52 are sequentially sleeved on the wire core 1 from inside to outside, the inner wall of the first fireproof layer 51 is provided with an inorganic silicate fireproof coating layer, and the inner wall of the second fireproof layer 52 is provided with a fireproof composite material layer.
The fireproof composite material layer comprises polycarbonate, sulfonate flame retardant, talc, glass fiber, heat-conducting filler, polytetrafluoroethylene and volcanic ash.
Example 5
The same as embodiment 1, except that the reinforcing layer 4 is included, the reinforcing layer 4 is wrapped outside the second fireproof layer 52, the reinforcing layer 4 includes a first reinforcing layer 41 and a second reinforcing layer 42, a hole is formed in the first reinforcing layer 41, and a protrusion matched with the hole is formed in the second reinforcing layer 42.
The first reinforcing layer 41 and the second reinforcing layer 42 are fitted by the cooperation of the holes and the protrusions.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (5)
1. Tensile type fire prevention flame retarded cable, including sinle silk (1), still establish protective sheath (2) outside sinle silk (1), its characterized in that including the cover: the outer parcel of sinle silk (1) has back up coat (4), flame retardant coating (5) and waterproof layer (6), still including setting up installation skeleton (3) in protective sheath (2), installation skeleton (3) are established rubber soft cover (32) outside well core rod (31) including well core rod (31) and cover, install a plurality of swivel becket (33) on well core rod (31), connect through spring (34) between swivel becket (33) and the rubber soft cover (32), sinle silk (1) is installed outside rubber soft cover (32), rubber soft cover (32) outwards strut and compress tightly sinle silk (1) on the inner wall of protective sheath (2) through the effort of spring (34).
2. The tensile-type fireproof flame-retardant cable according to claim 1, wherein: the central rod (31) is a rubber rod, a plurality of annular grooves (311) are formed in the outer surface of the central rod (31), and a convex ring (331) matched with the annular grooves (311) is arranged on the inner wall of the rotating ring (33).
3. The tensile-type fireproof flame-retardant cable according to claim 1, wherein: the springs (34) are multiple, each spring (34) comprises a supporting spring (341) and a matching spring (342), the inner end of each matching spring (342) is fixedly arranged on the rotating ring (33), an arc-shaped plate (3421) which is sunken towards the inner end of each matching spring (342) is arranged at the outer end of each matching spring (342), the arc-shaped plates (3421) are attached to the rubber soft sleeves (32) to enable the rubber soft sleeves (32) to form arc-shaped surfaces matched with the wire cores (1), and the supporting springs (341) are arranged between every two adjacent matching springs (342).
4. The tensile-type fireproof flame-retardant cable according to claim 1, wherein: the fireproof layer (5) is two-layer, the fireproof layer (5) comprises a first fireproof layer (51) and a second fireproof layer (52), the waterproof layer (6) is located between the first fireproof layer (51) and the second fireproof layer (52), the first fireproof layer (51), the waterproof layer (6) and the second fireproof layer (52) are sequentially sleeved on the wire core (1) from inside to outside, and an inorganic silicate fireproof coating layer is arranged on the inner wall of the first fireproof layer (51).
5. The tensile-type fireproof flame-retardant cable according to claim 4, wherein: the fireproof door further comprises a reinforcing layer (4), the reinforcing layer (4) wraps the second fireproof layer (52), and the reinforcing layer (4) comprises a first reinforcing layer (41) and a second reinforcing layer (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140576.9U CN211828180U (en) | 2020-01-22 | 2020-01-22 | Tensile type fireproof flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140576.9U CN211828180U (en) | 2020-01-22 | 2020-01-22 | Tensile type fireproof flame-retardant cable |
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| Publication Number | Publication Date |
|---|---|
| CN211828180U true CN211828180U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020140576.9U Expired - Fee Related CN211828180U (en) | 2020-01-22 | 2020-01-22 | Tensile type fireproof flame-retardant cable |
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| Country | Link |
|---|---|
| CN (1) | CN211828180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210934A (en) * | 2020-01-22 | 2020-05-29 | 浙江元通线缆制造有限公司 | Tensile type fireproof flame-retardant cable |
-
2020
- 2020-01-22 CN CN202020140576.9U patent/CN211828180U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210934A (en) * | 2020-01-22 | 2020-05-29 | 浙江元通线缆制造有限公司 | Tensile type fireproof flame-retardant cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |