CN220873285U - Flame-retardant cable with aluminum alloy core crosslinked polyethylene insulating steel tape armored polyolefin sheath - Google Patents
Flame-retardant cable with aluminum alloy core crosslinked polyethylene insulating steel tape armored polyolefin sheath Download PDFInfo
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- CN220873285U CN220873285U CN202322359032.8U CN202322359032U CN220873285U CN 220873285 U CN220873285 U CN 220873285U CN 202322359032 U CN202322359032 U CN 202322359032U CN 220873285 U CN220873285 U CN 220873285U
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- Prior art keywords
- flame
- cable
- retardant
- steel tape
- core
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 68
- 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 67
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 23
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 23
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 22
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 4
- 230000000670 limiting effect Effects 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011491 glass wool Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 39
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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 discloses an aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin sheath flame-retardant cable which comprises a cable core, wherein the cable core is formed by co-winding a plurality of wire cores, the wire cores are distributed in a round shape, a protection unit is added in the cable core, the wire cores are subjected to limit protection by the protection unit, a wrapping belt is correspondingly wrapped and sleeved outside the cable core, a steel tape armor layer is correspondingly wrapped and sleeved outside the wrapping belt, and a co-extrusion part is arranged. According to the utility model, the wire cores are limited and fixed by virtue of the protection unit, so that the relative stability of each wire core is ensured, the cable cores can be shielded and protected externally under the assistance of the co-extrusion part, meanwhile, the flame-retardant capability of the flame-retardant cable is improved under the cooperation of the flame-retardant unit, the cable cores can be protected well in flame retardance, the operation stability of the flame-retardant cable is ensured, and the cable cores are protected well externally under the cooperation of the aluminum sheath and the polyolefin sheath, so that the interference of the external environment to the flame-retardant cable is avoided.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin sheath flame-retardant cable.
Background
The wire and cable is used for transmitting electric energy, information and wire products for realizing electromagnetic energy conversion. The broad sense of electric wire and cable is also simply referred to as cable, and the narrow sense of cable is referred to as insulated cable, which can be defined as: an aggregate consisting of; one or more insulated cores, and the respective coating, overall protective layer and outer protective layer, may also have additional uninsulated conductors, but the current cables do not have good spacing inside, and thus have the following drawbacks in practical use.
At present, the flame-retardant cable is not well limited and fixed to the wire cores, so that the cable is very easy to shift in the process of laying, pulling and the like, mutual interference can be generated between the wire cores, and when a fire source high temperature occurs, the cable is very easy to cause the problem that the wire cores are loose due to the high-temperature interference of the fire source inside the cable, the integrity of the cable cannot be ensured, and the overall flame-retardant capability is reduced.
Disclosure of utility model
The utility model aims to provide an aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin sheath flame-retardant cable, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin sheath flame-retardant cable comprises a cable core,
The cable core is formed by co-winding a plurality of wire cores, the wire cores are distributed in a round shape, a protection unit is added in the cable core, the protection unit is used for limiting and protecting the wire cores,
The wrapping belt is correspondingly wrapped and sleeved outside the cable core, the steel tape armor layer is correspondingly wrapped and sleeved outside the wrapping belt,
The co-extrusion part is correspondingly sleeved outside the steel tape armor layer, the outer part of the co-extrusion part is wrapped and sleeved with a flame-retardant unit, the flame-retardant unit is used for flame-retardant protection of the cable core,
The aluminum sheath is correspondingly sleeved outside the flame-retardant unit, and the polyolefin sheath is sleeved outside the aluminum sheath.
As a further preferable mode of the technical scheme, the wire core is formed by twisting a plurality of aluminum alloy cores, and an inner sheath is sleeved outside the wire core.
As a further preferable mode of the technical scheme, the protection unit comprises a central limiting part arranged among a plurality of wire cores, a through hole is formed in the center of the central limiting part in a penetrating mode, a plurality of first limiting grooves are formed in the peripheral side walls of the central limiting part, the first limiting grooves are in corresponding contact with the wire cores, an outer limiting part is sleeved outside the plurality of wire cores in a corresponding mode, a plurality of second limiting grooves are formed in the inner wall of the outer limiting part, and the second limiting grooves are in corresponding contact with the wire cores.
As a further preferable mode of the technical scheme, the central limiting piece and the outer limiting piece limit and protect the wire cores, and internal filling is arranged among the wire cores.
As a further preferable mode of the technical scheme, the center limiting piece and the outer limiting piece are made of silicone rubber materials.
As a further preferable mode of the technical scheme, the co-extrusion part comprises an inner shielding layer, the inner shielding layer is correspondingly wrapped and sleeved outside the steel tape armor layer, crosslinked polyethylene is correspondingly sleeved outside the inner shielding layer, an outer shielding layer is correspondingly sleeved outside the crosslinked polyethylene, and the inner shielding layer and the outer shielding layer are both made of semiconductor materials.
As a further preferable mode of the technical scheme, the flame-retardant unit comprises a first flame-retardant layer sleeved outside the outer shielding layer, a second flame-retardant layer is correspondingly sleeved outside the first flame-retardant layer, the first flame-retardant layer is made of glass wool materials, and the second flame-retardant layer is made of flame-retardant knitted cloth materials.
The utility model provides an aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin sheath flame-retardant cable, which has the following beneficial effects:
(1) According to the utility model, the protection unit is arranged, the plurality of wire cores are gathered by the central limiting part, the plurality of wire cores are wrapped and limited by the outer limiting part, the inner and outer limiting protection is carried out on the wire cores by the cooperation of the central limiting part and the outer limiting part, the wire cores are prevented from displacement, and meanwhile, the wire cores can be limited and fixed by the cooperation of the first limiting groove and the second limiting groove, so that the limiting and stabilizing effects of the wire cores are further improved.
(2) According to the utility model, the first flame-retardant layer and the second flame-retardant layer are additionally sleeved outside the co-extrusion part, so that the internal cable core can be stably flame-retardant protected, a stable double flame-retardant effect is achieved, the flame-retardant capability of the flame-retardant cable is improved, an external fire source can be well blocked, the internal cable core is in a stable running state, and the running stability of the flame-retardant cable is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram showing the connection between a protection unit and a wire core according to the present utility model;
FIG. 3 is a schematic diagram of a protection unit according to the present utility model;
Fig. 4 is a schematic view of the structure of the flame retardant unit of the present utility model.
In the figure: 1. a cable core; 101. a wire core; 102. an inner sheath; 103. filling the inside; 2. wrapping the belt; 3. a steel tape armor layer; 4. an aluminum sheath; 5. a polyolefin sheath; 6. a center limiting member; 7. a through hole; 8. a first limit groove; 9. an external limiting member; 10. a second limit groove; 11. an inner shielding layer; 12. a crosslinked polyethylene; 13. an outer shielding layer; 14. a first flame retardant layer; 15. and a second flame retardant layer.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1 and 2, in this embodiment, an aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin sheath flame-retardant cable includes a cable core 1, the cable core 1 is formed by winding a plurality of wire cores 101 together, the plurality of wire cores 101 are distributed circularly, a protection unit is added in the cable core 1, the wire cores 101 are limited and protected by the protection unit, a steel tape armor layer 3 is arranged around the wrapping tape 2 corresponding to the wrapping tape 2, a co-extrusion part is arranged around the wrapping tape 2 corresponding to the wrapping tape, the co-extrusion part is correspondingly sleeved outside the steel tape armor layer 3, a flame-retardant unit is arranged around the co-extrusion part, the cable core 1 is flame-retardant and protected by the flame-retardant unit, an aluminum sheath 4 is correspondingly sleeved outside the flame-retardant unit, a polyolefin sheath 5 is sleeved outside the aluminum sheath 4, the wire cores 101 are formed by twisting a plurality of aluminum alloy cores, and an inner sheath 102 is sleeved outside the wire cores 101.
As shown in fig. 2 and 3, the protection unit includes a central limiting member 6 disposed between a plurality of wire cores 101, a through hole 7 is formed in the center of the central limiting member 6, a plurality of first limiting grooves 8 are formed in the peripheral side walls of the central limiting member 6, the first limiting grooves 8 are correspondingly contacted with the wire cores 101, an outer limiting member 9 is correspondingly sleeved outside the plurality of wire cores 101, a plurality of second limiting grooves 10 are formed in the inner wall of the outer limiting member 9, the second limiting grooves 10 are correspondingly contacted with the wire cores 101, the central limiting member 6 and the outer limiting member 9 limit and protect the wire cores 101, an inner filling 103 is disposed between the plurality of wire cores 101, and the central limiting member 6 and the outer limiting member 9 are made of silicone rubber;
Wherein, when spacing, carry out: through being provided with the protection unit, the plurality of wire cores 101 are concentrated by means of the central limiting piece 6, the extrusion force received by the central limiting piece 6 can be deformed and absorbed by utilizing the through holes 7 on the central limiting piece, the plurality of wire cores 101 are wrapped and limited by means of the outer limiting piece 9, the wire cores 101 are subjected to internal and external limiting protection by means of the cooperation of the central limiting piece 6 and the outer limiting piece 9, the wire cores 101 are prevented from being displaced, and meanwhile, the wire cores 101 can be limited and fixed by means of the cooperation of the first limiting groove 8 and the second limiting groove 10, so that the limiting and stabilizing effects of the wire cores 101 are further improved;
In some disclosures, the co-extrusion part comprises an inner shielding layer 11, the inner shielding layer 11 is correspondingly wrapped and sleeved outside the steel tape armor layer 3, the outer part of the inner shielding layer 11 is correspondingly sleeved with a crosslinked polyethylene 12, the outer part of the crosslinked polyethylene 12 is correspondingly sleeved with an outer shielding layer 13, and the inner shielding layer 11 and the outer shielding layer 13 are both made of semiconductor materials.
As shown in fig. 4, the flame retardant unit comprises a first flame retardant layer 14 sleeved outside the outer shielding layer 13, a second flame retardant layer 15 correspondingly sleeved outside the first flame retardant layer 14, wherein the first flame retardant layer 14 is made of glass wool, and the second flame retardant layer 15 is made of flame retardant knitted fabric;
Wherein, when carrying out flame retardant protection: through being equipped with fire-retardant unit, increase the cover in the crowded portion outside altogether and be equipped with fire-retardant layer 14, no. two fire-retardant layers 15, can carry out stable fire-retardant protection to interior cable core 1, played stable dual flame retardant effect, promoted the fire-retardant ability of fire-retardant cable, can carry out good separation to external fire source for interior cable core 1 is in stable running state, has ensured the operation of this fire-retardant cable stable.
The utility model provides an aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin sheath flame-retardant cable, which has the following specific working principle: through increasing the protection element in cable core 1, carry out spacing fixed to sinle silk 101 with the help of the protection element, guaranteed the relative stability of each sinle silk 101, under the assistance of crowded portion altogether, can carry out external shielding protection to cable core 1, simultaneously under the cooperation of fire-retardant unit, promoted the fire-retardant ability of this fire-retardant cable, can carry out good fire-retardant protection to cable core 1, ensured that this fire-retardant cable's operation is stable, and under the cooperation of aluminium sheath 4 and polyolefin sheath 5, carry out good external protection to cable core 1, avoid external environment to cause the interference to this fire-retardant cable.
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 (7)
1. The utility model provides an insulating steel tape armoured polyolefin sheath flame retardant cable of aluminum alloy core crosslinked polyethylene, includes cable core (1), its characterized in that:
The cable core (1) is formed by co-winding a plurality of wire cores (101), the wire cores (101) are distributed in a round shape, a protection unit is added in the cable core (1), the wire cores (101) are limited and protected by the protection unit,
The wrapping belt (2) is correspondingly wrapped and sleeved outside the cable core (1), the steel tape armor layer (3) is correspondingly wrapped and sleeved outside the wrapping belt (2),
The co-extrusion part is correspondingly sleeved outside the steel tape armor layer (3), the outer part of the co-extrusion part is wrapped and sleeved with a flame-retardant unit, the flame-retardant unit is used for flame-retardant protection of the cable core (1),
The aluminum sheath (4), aluminum sheath (4) correspond the cover and establish in fire-retardant unit outside, aluminum sheath (4) outside cover is equipped with polyolefin sheath (5).
2. The aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin jacketed flame-retardant cable of claim 1, wherein: the wire core (101) is formed by twisting a plurality of aluminum alloy cores, and an inner sheath (102) is sleeved outside the wire core (101).
3. The aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin jacketed flame-retardant cable of claim 1, wherein: the protection unit is including setting up central locating part (6) between a plurality of sinle silk (101), through-hole (7) have been run through in central locating part (6) center department, a plurality of spacing groove (8) are seted up to central locating part (6) lateral wall all around, and a spacing groove (8) correspond the contact with sinle silk (101), have outside locating part (9) at the outside cover that corresponds of a plurality of sinle silk (101), a plurality of No. two spacing grooves (10) have been seted up to outside locating part (9) inner wall, and No. two spacing grooves (10) correspond the contact with sinle silk (101).
4. An aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin jacketed flame retardant cable according to claim 3, wherein: the central limiting piece (6) and the outer limiting piece (9) limit and protect the wire cores (101), and inner filling (103) is arranged among the wire cores (101).
5. An aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin jacketed flame retardant cable according to claim 3, wherein: the center limiting piece (6) and the outer limiting piece (9) are made of silicone rubber materials.
6. The aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin jacketed flame-retardant cable of claim 1, wherein: the co-extrusion part comprises an inner shielding layer (11), the inner shielding layer (11) is correspondingly wrapped and sleeved outside the steel tape armor layer (3), the outer part of the inner shielding layer (11) is correspondingly sleeved with crosslinked polyethylene (12), the outer part of the crosslinked polyethylene (12) is correspondingly sleeved with an outer shielding layer (13), and the inner shielding layer (11) and the outer shielding layer (13) are made of semiconductor materials.
7. The aluminum alloy core crosslinked polyethylene insulated steel tape armored polyolefin jacketed flame-retardant cable of claim 1, wherein: the flame retardant unit comprises a first flame retardant layer (14) sleeved outside the outer shielding layer (13), a second flame retardant layer (15) is correspondingly sleeved outside the first flame retardant layer (14), the first flame retardant layer (14) is made of glass wool, and the second flame retardant layer (15) is made of flame retardant knitted fabric.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322359032.8U CN220873285U (en) | 2023-08-31 | 2023-08-31 | Flame-retardant cable with aluminum alloy core crosslinked polyethylene insulating steel tape armored polyolefin sheath |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322359032.8U CN220873285U (en) | 2023-08-31 | 2023-08-31 | Flame-retardant cable with aluminum alloy core crosslinked polyethylene insulating steel tape armored polyolefin sheath |
Publications (1)
Publication Number | Publication Date |
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CN220873285U true CN220873285U (en) | 2024-04-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322359032.8U Active CN220873285U (en) | 2023-08-31 | 2023-08-31 | Flame-retardant cable with aluminum alloy core crosslinked polyethylene insulating steel tape armored polyolefin sheath |
Country Status (1)
Country | Link |
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CN (1) | CN220873285U (en) |
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2023
- 2023-08-31 CN CN202322359032.8U patent/CN220873285U/en active Active
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