CN215417623U - Corrosion-resistant insulating cable sheath - Google Patents
Corrosion-resistant insulating cable sheath Download PDFInfo
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- CN215417623U CN215417623U CN202121834586.3U CN202121834586U CN215417623U CN 215417623 U CN215417623 U CN 215417623U CN 202121834586 U CN202121834586 U CN 202121834586U CN 215417623 U CN215417623 U CN 215417623U
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Abstract
The utility model discloses a corrosion-resistant insulating cable sheath, which comprises an outer corrosion-resistant layer and a cable conductor; outer anti-corrosion layer: the inner arc wall is adhered with an asbestos flame-retardant layer through glue; cable and wire: the outer part of the asbestos flame-retardant layer is fixedly sleeved with a composite insulating layer, the outer arc surface of the composite insulating layer is adhered with an inner anti-corrosion layer through glue, the outer arc surface of the inner anti-corrosion layer is fixedly sleeved with a felt waterproof layer, and the outer arc surface of the felt waterproof layer is fixedly connected with the inner arc wall of the asbestos flame-retardant layer; wherein: the outer anti-corrosion layer is a polytetrafluoroethylene outer anti-corrosion layer, and the inner anti-corrosion layer is an inner anti-corrosion layer formed by compounding carbon fibers and resin in a hot pressing manner; this anticorrosive insulated cable sheath can provide dual anticorrosive guard action for the cable conductor, ensures that the cable conductor does not receive external factor's interference, can also avoid the heat that the cable conductor produced to damage this cable sheath when playing insulating guard action, and whole protective properties is better.
Description
Technical Field
The utility model relates to the technical field of cable protection, in particular to a corrosion-resistant insulating cable sheath.
Background
The cable sheath is the outermost layer of the cable, such as a polyvinyl chloride insulation, polyvinyl chloride sheath. The cable sheath is usually wrapped around the outside of the cable conductor and then inserted inside a protective tube for protection.
In order to ensure that the cable can normally carry out current transmission work, the cable sheath has an insulation protection function and also needs to have good corrosion resistance to protect the cable conductor from being interfered by external factors.
The conventional corrosion-resistant insulating cable sheath is usually of a single-layer corrosion-resistant structure, and as the service life increases, after an outer corrosion-resistant layer of the cable sheath is worn, the cable sheath cannot continue to provide a protection effect for a cable conductor, and heat generated by the cable conductor during working easily damages the cable sheath from the inside and cannot provide a comprehensive protection effect for the cable conductor.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide an anti-corrosion insulating cable sheath which can provide double anti-corrosion protection effects for a cable conductor, ensure that the cable conductor is not interfered by external factors, can also prevent heat generated by the cable conductor from damaging the cable sheath while playing an insulating protection effect, has better overall protection performance, and can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a corrosion resistant insulated cable jacket includes an outer corrosion resistant layer and cable conductors;
outer anti-corrosion layer: the inner arc wall is adhered with an asbestos flame-retardant layer through glue;
cable and wire: its outside fixed cover is equipped with composite insulation layer, composite insulation layer's extrados has interior anti-corrosion layer through glue bonding, the fixed cover of extrados of interior anti-corrosion layer is equipped with the asphalt felt waterproof layer, the extrados of asphalt felt waterproof layer and the interior arc wall fixed connection on the fire-retardant layer of asbestos, can provide dual corrosion protection for the cable conductor, ensure that the cable conductor does not receive external factor's interference, can also avoid the heat damage this cable sheath that the cable conductor produced when playing insulation protection, overall protection performance is better.
Furthermore, the outer anti-corrosion layer is a polytetrafluoroethylene outer anti-corrosion layer, and the inner anti-corrosion layer is an inner anti-corrosion layer formed by compounding carbon fibers and resin in a hot pressing mode, so that a double anti-corrosion protection effect can be provided for the cable conductor, and the cable conductor is prevented from being interfered by external factors.
Furthermore, the outer layer of the composite insulating layer is a rubber layer, the inner layer of the composite insulating layer is a ceramic fiber layer, the cable sheath is prevented from being damaged by heat generated by a cable conductor while the insulating protection effect is achieved, and the insulating property of the cable sheath is ensured.
Further, the inner arc wall of the asbestos flame-retardant layer and the outer arc surface of the asphalt felt waterproof layer are both provided with clamping grooves which are uniformly distributed, the inner arc wall of the asbestos flame-retardant layer and the outer arc surface of the asphalt felt waterproof layer are both provided with clamping strips which are uniformly distributed, the clamping grooves are in clamping fit with the clamping strips corresponding to the same side, the asbestos flame-retardant layer can be in contact with the asphalt felt waterproof layer more closely, and the overall stability of the cable sheath is ensured.
Furthermore, all be equipped with polyurethane elastic strip in the breach of angle setting such as outer anti-corrosion coating edge, can restrict the angle of buckling of this cable sheath, avoid cable conductor moment of torsion too big and influence current transmission efficiency.
Furthermore, the outer arc surface of the outer anti-corrosion layer is provided with uniformly distributed rhombic flow guide blocks, so that an external medium can be quickly guided away, and the contact time between the outer anti-corrosion layer and the external medium is shortened.
Compared with the prior art, the utility model has the beneficial effects that: the corrosion-resistant insulating cable sheath has the following advantages:
1. when an external medium is in contact with the external corrosion-resistant layer, the diversion grooves formed by the rhombic diversion blocks can quickly divert the external medium, so that the contact time between the external corrosion-resistant layer and the external medium is shortened, the outermost protection effect is provided for the cable conductor through the high-strength corrosion-resistant performance of the polytetrafluoroethylene material, the external corrosion-resistant layer serving as the outermost protection layer can be more easily worn along with the increase of the service life of the cable sheath, and after the external corrosion-resistant layer is worn out, the internal corrosion-resistant layer formed by compounding the carbon fibers and the resin in a hot-pressing mode can also serve as a second line to provide the protection effect for the cable conductor, so that the cable conductor is prevented from being interfered by external factors.
2. When the cable conductor is used for current transmission, the ceramic fiber layer inside the composite insulation layer is in a direct contact state, the cable sheath is prevented from being damaged by heat generated by the cable conductor through good heat-resistant performance of ceramic fibers while the cable conductor plays an insulation protection role, and the rubber layer outside the composite insulation layer can further guarantee the insulation performance of the cable sheath.
3. When this cable sheathing takes place to buckle, receive the high strength toughness influence of polyurethane elastic strip, can restrict this cable sheathing's the angle of buckling, avoid cable conductor moment of torsion too big and influence current transmission efficiency, the block groove can make the fire-retardant layer of asbestos and the contact of asphalt felt waterproof layer inseparabler with the block strip, ensures this cable sheathing's overall stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal cross-section structure of the present invention.
In the figure: the anti-corrosion cable comprises an outer anti-corrosion layer 1, an asbestos flame-retardant layer 2, a cable conductor 3, a composite insulating layer 4, an inner anti-corrosion layer 5, a felt waterproof layer 6, a clamping groove 7, a clamping strip 8, a polyurethane elastic strip 9 and a rhombic flow guide block 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present embodiment provides a technical solution: a corrosion-resistant insulated cable sheath comprises an outer corrosion-resistant layer 1 and a cable conductor 3;
outer anti-corrosion layer 1: the inner arc wall of the cable is adhered with an asbestos flame-retardant layer 2 through glue, the outer anti-corrosion layer 1 is a polytetrafluoroethylene outer anti-corrosion layer, the outermost layer of the cable is protected through the high-strength anti-corrosion performance of a polytetrafluoroethylene material, when the outer anti-corrosion layer 1 is burnt, the fire can be prevented from spreading in time, and the internal structure is protected from flame;
cable conductor 3: the outer fixed cover of its outside is equipped with composite insulation layer 4, the extrados of composite insulation layer 4 has interior anti-corrosion coating 5 through glue bonding, the extrados fixed cover of interior anti-corrosion coating 5 is equipped with asphalt felt waterproof layer 6, the extrados of asphalt felt waterproof layer 6 and the inner arc wall fixed connection of asbestos flame retardant layer 2, interior anti-corrosion coating 5 is the interior anti-corrosion coating that carbon fiber and resin hot pressing complex formed, along with this cable sheathing life's increase, outer anti-corrosion coating 1 can receive wearing and tearing more easily as outermost protective layer, and after outer anti-corrosion coating 1 is worn out, the interior anti-corrosion coating 5 that forms by carbon fiber and resin hot pressing complex can also provide the guard action for cable conductor 3 as the second way defence line, ensure that cable conductor 3 does not receive the interference of external factor, asphalt felt waterproof layer 6 can avoid rainwater infiltration this cable sheathing inside to lead to cable conductor 3 short circuit.
Wherein: the outer layer of composite insulation layer 4 is the rubber layer, and the inlayer of composite insulation layer 4 is the ceramic fibre layer, carries out current transmission during operation at cable conductor 3, and the inside ceramic fibre layer of composite insulation layer 4 is in the direct contact state, avoids the heat damage this cable sheath of cable conductor 3 production through the good heat resistance of ceramic fibre when playing the insulation protection effect, and the insulating properties of this cable sheath then can further be guaranteed on the outside rubber layer of composite insulation layer 4.
Wherein: the inner arc wall of the asbestos flame-retardant layer 2 and the outer arc surface of the asphalt felt waterproof layer 6 are provided with clamping grooves 7 which are uniformly distributed, the inner arc wall of the asbestos flame-retardant layer 2 and the outer arc surface of the asphalt felt waterproof layer 6 are provided with clamping strips 8 which are uniformly distributed, the clamping grooves 7 are in fit clamping connection with the clamping strips 8 corresponding to the same side, the clamping grooves 7 and the clamping strips 8 can enable the asbestos flame-retardant layer 2 to be more tightly contacted with the asphalt felt waterproof layer 6, and the overall stability of the cable sheath is ensured.
Wherein: all be equipped with polyurethane elastic strip 9 in the breach of angle settings such as outer anti-corrosion coating 1 edge, when this cable sheathing takes place to buckle, receive the high strength toughness influence of polyurethane elastic strip 9, can restrict the angle of buckling of this cable sheathing, avoid 3 moments of torsion of cable conductor too big and influence current transmission efficiency.
Wherein: the outer arc surface of the outer anti-corrosion layer 1 is provided with the rhombic flow guide blocks 10 which are uniformly distributed, when an external medium is in contact with the outer anti-corrosion layer 1, the flow guide grooves formed by the plurality of rhombic flow guide blocks 10 can quickly guide the external medium away, and the contact time between the outer anti-corrosion layer 1 and the external medium is shortened.
The working principle of the corrosion-resistant insulating cable sheath provided by the utility model is as follows: when an external medium is in contact with the outer anti-corrosion layer 1, the diversion trenches formed by the rhombic diversion blocks 10 can quickly guide the external medium away, the contact time between the outer anti-corrosion layer 1 and the external medium is shortened, the outermost protection effect is provided for the cable lead 3 through the high-strength anti-corrosion performance of the polytetrafluoroethylene material, the outer anti-corrosion layer 1 serving as the outermost protection layer is more easily worn along with the increase of the service life of the cable sheath, and after the outer anti-corrosion layer 1 is worn, the inner anti-corrosion layer 5 formed by compounding the carbon fibers and the resin in a hot-pressing mode can also serve as a second line to provide a protection effect for the cable lead 3 so as to ensure that the cable lead 3 is not interfered by external factors, when the cable lead 3 is subjected to current transmission work, the ceramic fiber layer inside the composite insulation layer 4 is in a direct contact state, and the heat damage generated by the cable lead 3 is avoided through the good heat resistance of the ceramic fibers while the insulation protection effect is achieved This cable sheathing, the insulating properties of this cable sheathing then can further be guaranteed on the outside rubber layer of composite insulation layer 4, when this cable sheathing takes place to buckle, receive the high strength toughness influence of polyurethane elastic strip 9, can restrict this cable sheathing's the angle of buckling, avoid 3 moments of torsion of cable conductor too big and influence current transmission efficiency, block groove 7 and block strip 8 can make the fire-retardant layer of asbestos 2 inseparabler with the contact of asphalt felt waterproof layer 6, ensure this cable sheathing's overall stability.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A corrosion-resistant insulated cable sheath, characterized in that: comprises an outer anti-corrosion layer (1) and a cable lead (3);
outer anti-corrosion layer (1): the inner arc wall is adhered with an asbestos flame-retardant layer (2) through glue;
cable conductor (3): a composite insulating layer (4) is fixedly sleeved outside the asbestos flame-retardant coating, an inner anti-corrosion layer (5) is bonded to the outer arc surface of the composite insulating layer (4) through glue, a linoleum waterproof layer (6) is fixedly sleeved on the outer arc surface of the inner anti-corrosion layer (5), and the outer arc surface of the linoleum waterproof layer (6) is fixedly connected with the inner arc wall of the asbestos flame-retardant layer (2).
2. A corrosion resistant insulated cable sheath according to claim 1, wherein: the outer anti-corrosion layer (1) is a polytetrafluoroethylene outer anti-corrosion layer, and the inner anti-corrosion layer (5) is an inner anti-corrosion layer formed by compounding carbon fibers and resin in a hot pressing mode.
3. A corrosion resistant insulated cable sheath according to claim 1, wherein: the outer layer of the composite insulating layer (4) is a rubber layer, and the inner layer of the composite insulating layer (4) is a ceramic fiber layer.
4. A corrosion resistant insulated cable sheath according to claim 1, wherein: the inner arc wall of the asbestos flame-retardant layer (2) and the outer arc surface of the asphalt felt waterproof layer (6) are respectively provided with a clamping groove (7) which are uniformly distributed, the inner arc wall of the asbestos flame-retardant layer (2) and the outer arc surface of the asphalt felt waterproof layer (6) are respectively provided with a clamping strip (8) which are uniformly distributed, and the clamping grooves (7) are in fit and clamping connection with the clamping strips (8) corresponding to the same side.
5. A corrosion resistant insulated cable sheath according to claim 1, wherein: and polyurethane elastic strips (9) are arranged in notches which are arranged at the edge of the outer anti-corrosion layer (1) at equal angles.
6. A corrosion resistant insulated cable sheath according to claim 1, wherein: the outer cambered surface of the outer anti-corrosion layer (1) is provided with rhombic flow guide blocks (10) which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121834586.3U CN215417623U (en) | 2021-08-07 | 2021-08-07 | Corrosion-resistant insulating cable sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121834586.3U CN215417623U (en) | 2021-08-07 | 2021-08-07 | Corrosion-resistant insulating cable sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215417623U true CN215417623U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121834586.3U Active CN215417623U (en) | 2021-08-07 | 2021-08-07 | Corrosion-resistant insulating cable sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215417623U (en) |
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2021
- 2021-08-07 CN CN202121834586.3U patent/CN215417623U/en active Active
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