CN217880883U - Fireproof cable without metal sheath - Google Patents
Fireproof cable without metal sheath Download PDFInfo
- Publication number
- CN217880883U CN217880883U CN202221666472.7U CN202221666472U CN217880883U CN 217880883 U CN217880883 U CN 217880883U CN 202221666472 U CN202221666472 U CN 202221666472U CN 217880883 U CN217880883 U CN 217880883U
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- Prior art keywords
- conductor
- cable
- resistant layer
- corrosion
- outside
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- 239000002184 metal Substances 0.000 title claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 60
- 238000005260 corrosion Methods 0.000 claims abstract description 30
- 230000007797 corrosion Effects 0.000 claims abstract description 30
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 10
- 239000004917 carbon fiber Substances 0.000 claims abstract description 10
- 238000005253 cladding Methods 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 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 6
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000003063 flame retardant Substances 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- -1 prolong cable life Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Ropes Or Cables (AREA)
Abstract
The utility model relates to the technical field of cables, a no metal sheath fireproof cable, including a plurality of conductor, every the conductor all has the cladding insulating layer, a plurality of the cable core outside cladding that the conductor is constituteed has the overcoat, and the outside of overcoat is provided with the flame retardant coating, the flame retardant coating outside is provided with corrosion resistant layer, and the corrosion resistant layer outside is provided with the wear-resisting arch of a plurality of, a plurality of wear-resisting arch distributes along corrosion resistant layer annular, the corrosion resistant layer comprises the combined material that carbon fiber and resin were made, the utility model discloses a cable still has stronger wear-resisting and corrosion resistance on the basis that has certain fire behavior.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a no metal sheath fireproof cable.
Background
The cable is generally a rope-like cable formed by twisting several or several groups of wires, each group of wires is insulated from each other and usually twisted around a center, the whole is covered with a highly insulated covering layer, and a plurality of cables are erected in the air or installed underground or underwater for telecommunication or power transmission, mainly used for transmitting, distributing electric energy or transmitting electric signals, and the difference from the common wires is that the cable is large in size and complex in structure.
As publication (publication) No.: CN 216053927U's utility model discloses a no metal sheath fireproof cable, including cable core, mineral insulation, plastic insulation and the fire barrier of parcel outside the cable core. The utility model forms a mineral insulating layer around the mica tape outside the conductor; the mineral insulating layer is coated with a layer of plastic insulation to form plastic insulation, the plastic insulation well protects the mineral insulating layer, the mineral insulating material is prevented from being affected by moisture, the insulating property is prevented from being affected, and meanwhile, the insulating property of the product is improved; the fire barrier layer is coated outside the cable core, so that the transmission of heat energy to the interior of the cable core is greatly reduced due to the high and low temperature resistance of the fire barrier layer, the structure is simple, and the processing is convenient; a metal sheath layer is cancelled, so that the cost is low; energy saving and consumption reduction; high and low temperature resistance, long service life, practicality and wide popularization and application.
Above-mentioned utility model's cable does not have wear-resisting corrosion-resistant safeguard function although having the fire prevention effect, leads to the cable to use a period of back, and the top layer can be broken skin owing to wearing and tearing and corruption to can influence the normal working process of cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a no metal sheath fireproof cable to solve the problem that proposes among the above-mentioned background art.
For realizing above-mentioned purpose, a no metal sheath fireproof cable, including a plurality of conductor, every the conductor all the cladding has an insulating layer, a plurality of the cable core outside cladding that the conductor is constituteed has the overcoat, and the outside of overcoat is provided with the flame retardant coating, the flame retardant coating outside is provided with corrosion-resistant layer, and the corrosion-resistant layer outside is provided with the wear-resisting arch of a plurality of.
Preferably: the conductors are distributed in an annular shape, and the central positions of the conductors are provided with filling ropes.
Preferably: and a plastic filling strip is arranged between every two adjacent conductors.
Preferably: and heat insulation filling layers are filled among the conductors, the plastic filling strips and the filling ropes.
Preferably: a plurality of arc-shaped grooves are annularly formed in the insulating layer coated on each conductor, and the arc-shaped grooves are linearly arranged along the axial direction of the conductor.
Preferably: the plurality of the wear-resistant bulges are distributed annularly along the corrosion-resistant layer, and the corrosion-resistant layer is made of a composite material made of carbon fibers and resin.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a cable, including a plurality of conductor central point, be provided with the packing rope at a plurality of conductor central point of annular distribution, the packing rope flexible, the compliance is higher, the packing rope can be under the condition that keeps the cable to have better compliance, the intensity of cable has been improved, still have fabulous toughness simultaneously, wearability etc., be provided with the plastics filler strip between every two adjacent conductors, can increase the flexibility and the intensity of cable, further strengthen the anti-distortion effect of cable, increase cable life, at the conductor, it has thermal-insulated filling layer to fill between plastics filler strip and the packing rope, avoid the ambient temperature change, heat conduction to the conductor in the cable, influence the conductor work efficiency of cable, in order to reduce cable manufacturing process and installation, the moment of torsion that produces on the conductor, annular opening has a plurality of arc recess on the insulating layer of cladding on every conductor, and the arc recess sets up along conductor axial linearity, through the joint between arc recess and the thermal-insulated filling layer, reduce the moment of torsion production on the conductor, prolong cable life, carbon fiber has extremely strong corrosion resistance, corrosion-resistant layer comprises carbon fiber and the composite material that the resin made, make the cable have stronger wear-resistant in the course of the corrosion resistance in the course of work, the combination sets up a plurality of cable, the stability problem of anti-slip-resistant, the long-resistant and the life has again has been avoided the long-resistant performance again to appear.
Drawings
Fig. 1 is a schematic view of an internal structure of a metal sheath-free fireproof cable provided by the present invention;
fig. 2 is the utility model provides a no metal sheath fireproof cable A department structure enlarged schematic diagram.
In the figure:
1. a conductor; 2. an insulating layer; 3. a jacket; 4. a fire barrier layer; 5. a corrosion-resistant layer; 6. wear-resistant protrusions; 7. filling a rope; 8. a plastic filler strip; 9. and (4) insulating the filling layer.
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.
Examples
Please refer to fig. 1-2, which are a preferred embodiment of the present invention, a fireproof cable without metal sheath, which includes a plurality of conductors 1, each conductor 1 is covered with an insulating layer 2, the outer side of the cable core formed by the plurality of conductors 1 is covered with a jacket 3, and the outer side of the jacket 3 is provided with a fireproof layer 4, the outer side of the fireproof layer 4 is provided with a corrosion-resistant layer 5, and the outer side of the corrosion-resistant layer 5 is provided with a plurality of wear-resistant protrusions 6.
The plurality of conductors 1 are distributed in a ring shape, and a filling rope 7 is arranged at the central position of the plurality of conductors 1.
It can be understood that: the central point of a plurality of conductor 1 that distributes at the annular puts and is provided with filling rope 7, and filling rope 7 flexible, the compliance is higher, and filling rope 7 can be under the condition that keeps the cable to have better compliance, has improved the intensity of cable, still has fabulous toughness, wearability etc. simultaneously.
A plastic filling strip 8 is arranged between every two adjacent conductors 1.
It can be understood that: the plastic filling strips 8 are arranged between every two adjacent conductors 1, so that the flexibility and the strength of the cable can be improved, the anti-twisting effect of the cable is further enhanced, and the service life of the cable is prolonged.
And a heat insulation filling layer 9 is filled among the conductors 1, the plastic filling strips 8 and the filling ropes 7.
It can be understood that: and a heat insulation filling layer 9 is filled among the conductor 1, the plastic filling strip 8 and the filling rope 7, so that the phenomenon that the external temperature changes and the heat is conducted to the conductor 1 in the cable to influence the working efficiency of the conductor 1 of the cable is avoided.
A plurality of arc grooves are annularly formed in the insulating layer 2 coated on each conductor 1, and the arc grooves are linearly arranged along the axial direction of the conductor 1.
It can be understood that: in order to reduce the torque generated on the conductor 1 in the cable processing process and the installation process, a plurality of arc-shaped grooves are annularly formed in the insulating layer 2 coated on each conductor 1, the arc-shaped grooves are linearly arranged along the axial direction of the conductor 1, the torque generated on the conductor 1 is reduced through clamping between the arc-shaped grooves and the filled heat insulation filling layer 9, and the service life of the cable is prolonged.
The plurality of wear-resistant protrusions 6 are annularly distributed along the corrosion-resistant layer 5, and the corrosion-resistant layer 5 is made of a composite material made of carbon fibers and resin.
It can be understood that: the carbon fiber has extremely strong corrosion resistance, and the composite material who makes corrosion-resistant layer 5 by carbon fiber and resin constitutes for the cable has stronger corrosion resistance in the course of the work, combines the wear-resisting arch 6 of a plurality of annular setting on the corrosion-resistant layer 5 simultaneously, has strengthened the wearability and the antiskid function of cable again, avoids long-time use serious wear problem to appear, has improved the stability of cable.
The utility model discloses a theory of operation and work flow as follows: the filling rope 7 is arranged at the center of the plurality of conductors 1 which are distributed annularly, the filling rope 7 can be bent and has higher flexibility, the filling rope 7 can improve the strength of the cable under the condition of keeping the cable to have better flexibility, and simultaneously has excellent toughness, wear resistance and the like, the plastic filling strip 8 is arranged between every two adjacent conductors 1, the flexibility and the strength of the cable can be increased, the anti-distortion effect of the cable is further strengthened, the service life of the cable is prolonged, the heat insulation filling layer 9 is filled among the conductors 1, the plastic filling strips 8 and the filling rope 7, the change of external temperature is avoided, heat is conducted to the conductors 1 in the cable, the working efficiency of the conductors 1 of the cable is influenced, and in order to reduce the cable processing process and the installation process, the moment of torsion that produces on conductor 1, the annular is opened on the insulating layer 2 of cladding has a plurality of arc recess on every conductor 1, and the arc recess sets up along 1 axial linearity of conductor, through the joint between arc wall and the thermal-insulated filling layer 9 of packing, it produces to reduce the moment of torsion on conductor 1, extension cable life, carbon fiber has extremely strong corrosion resistance, constitute corrosion-resistant layer 5 by the combined material that carbon fiber and resin were made, make the cable have stronger corrosion resistance in the course of the work, a plurality of abrasion-resistant bulge 6 that annular set up on combining corrosion-resistant layer 5 simultaneously, the wearability and the anti-skidding function of cable have been strengthened again, avoid long-time use the serious wear problem to appear, the stability of cable has been improved.
The above description is for further details of the present invention, and it should not be assumed that the embodiments of the present invention are limited to these descriptions, and that a person of ordinary skill in the art to which the present invention pertains can make several simple deductions or substitutions without departing from the spirit of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.
Claims (6)
1. The utility model provides a no metal sheath fireproof cable, includes a plurality of conductor (1), its characterized in that:
every conductor (1) all the cladding has insulating layer (2), a plurality of the cable core outside cladding that conductor (1) is constituteed has overcoat (3), and the outside of overcoat (3) is provided with flame retardant coating (4), the flame retardant coating (4) outside is provided with corrosion-resistant layer (5), and the corrosion-resistant layer (5) outside is provided with the wear-resisting arch of a plurality of (6).
2. The metal-sheath-free fireproof cable according to claim 1, wherein: the conductors (1) are distributed annularly, and a filling rope (7) is arranged at the central position of each conductor (1).
3. The metal sheath-free fireproof cable of claim 2, wherein: and a plastic filling strip (8) is arranged between every two adjacent conductors (1).
4. The metal-sheath-free fireproof cable according to claim 3, wherein: and heat insulation filling layers (9) are filled among the conductors (1), the plastic filling strips (8) and the filling ropes (7).
5. The metal sheath-free fireproof cable of claim 4, wherein: a plurality of arc-shaped grooves are annularly formed in the insulating layer (2) coated on each conductor (1), and the arc-shaped grooves are linearly arranged along the axial direction of the conductors (1).
6. The metal sheath-free fireproof cable of claim 1, wherein: the plurality of the wear-resistant bulges (6) are distributed annularly along the corrosion-resistant layer (5), and the corrosion-resistant layer (5) is made of a composite material made of carbon fibers and resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221666472.7U CN217880883U (en) | 2022-06-30 | 2022-06-30 | Fireproof cable without metal sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221666472.7U CN217880883U (en) | 2022-06-30 | 2022-06-30 | Fireproof cable without metal sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217880883U true CN217880883U (en) | 2022-11-22 |
Family
ID=84098808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221666472.7U Active CN217880883U (en) | 2022-06-30 | 2022-06-30 | Fireproof cable without metal sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217880883U (en) |
-
2022
- 2022-06-30 CN CN202221666472.7U patent/CN217880883U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 054000 East of Dali Village, Jichangzhuang Township, Ningjin County, Xingtai City, Hebei Province Patentee after: Shilei Cable Group Co.,Ltd. Address before: 054000 East of Dali Village, Jichangzhuang Township, Ningjin County, Xingtai City, Hebei Province Patentee before: Shilei Cable Co.,Ltd. |