CN217008768U - Capacity-increasable overhead insulated cable - Google Patents
Capacity-increasable overhead insulated cable Download PDFInfo
- Publication number
- CN217008768U CN217008768U CN202121706715.0U CN202121706715U CN217008768U CN 217008768 U CN217008768 U CN 217008768U CN 202121706715 U CN202121706715 U CN 202121706715U CN 217008768 U CN217008768 U CN 217008768U
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- China
- Prior art keywords
- cable
- sheath
- resistant layer
- loose tube
- inner sheath
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005260 corrosion Methods 0.000 claims abstract description 19
- 230000007797 corrosion Effects 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 239000006071 cream Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 229920001903 high density polyethylene Polymers 0.000 claims description 5
- 239000004700 high-density polyethylene Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000013307 optical fiber Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 29
- 230000000694 effects Effects 0.000 description 6
- 229910000737 Duralumin Inorganic materials 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of cables, and discloses a capacity-increasing overhead insulated cable which comprises an optical cable body, wherein an outer cable sheath is arranged inside the optical cable body, an inner cable sheath is arranged inside the outer cable sheath, four groups of convex blocks are arranged on the inner side wall of the cable inner sheath, a group of cable loose tubes are arranged inside the cable inner sheath, a group of limiting grooves are fixedly connected to one outer side wall of each cable loose tube, a group of optical fibers are arranged inside each cable loose tube, a group of fiber paste is arranged inside each cable loose tube, a group of reinforcing cores are arranged inside each cable inner sheath, cable paste is arranged inside each cable inner sheath, and the design of the high temperature resistant layer, the wear resistant layer and the corrosion resistant layer can enable the cable outer sheath to resist high temperature, wear and corrosion, therefore, the service life of the cable is prolonged, the working temperature of the cable can be reduced, and the transmission capacity and the bearing capacity of the cable are improved.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a capacity-increasing overhead insulated cable.
Background
The overhead cable (full-name overhead insulated cable) is an overhead conductor with insulating layer and protective sheath, and is a special-purpose cable made up by adopting a production process similar to crosslinked cable, and is a new power transmission mode between overhead conductor and underground cable, and the overhead cable is single-core, and can be divided into duralumin wire structure, aluminium alloy wire structure, steel core or aluminium alloy core supporting structure and self-supporting three-core combined structure (core can be duralumin or duralumin wire) according to its different structure, etc.
However, the existing overhead insulated cable has insufficient bearing capacity, relatively small transmission capacity and no effective protection measures are taken. Accordingly, one skilled in the art provides a compatibilizable overhead insulated cable to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a capacity-increased overhead insulated cable, wherein the outer sheath and the inner sheath of the cable are made of polyurethane, the polyurethane has the advantages of oil resistance and wear resistance and can prolong the service life of the inner sheath and the outer sheath of the cable, the loose tube of the cable is made of high-density polyethylene, so that the loose tube of the cable has the effects of wear resistance, electric insulation, toughness and cold resistance, the reinforcing core is made of glass fiber and has the effects of excellent corrosion resistance, lightning stroke resistance, electromagnetic field interference resistance, high tensile strength, light weight, environmental protection, energy conservation and the like, the design of a lug and a limiting groove can prevent the separation phenomenon of optical fibers and the outer sheath of the cable when the cable is dragged, so that the service life of the cable is prolonged, and the design of a high-temperature resistant layer, a wear-resistant layer and a corrosion-resistant layer can ensure that the outer sheath of the cable is resistant to high temperature, wear and corrosion, therefore, the service life of the cable is prolonged, the working temperature of the cable can be reduced, and the transmission capacity and the bearing capacity of the cable are improved.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a but aerial insulated cable of increase-volume, includes the optical cable body, and the inside of optical cable body is provided with the cable oversheath, and the inside of cable oversheath is provided with the cable inner sheath, four groups of lugs have been seted up on the inside wall of cable inner sheath, and the inside of cable inner sheath is provided with a set of cable loose tube, and the rigid coupling has a set of spacing groove on the sheathed tube lateral wall of cable loose tube, and the sheathed tube inside of cable loose tube all is provided with a set of optic fibre, and the sheathed tube inside of cable loose tube all is provided with fine cream, and the inside of cable inner sheath is provided with a set of enhancement core, and the inside of cable inner sheath is provided with cable cream.
As a still further scheme of the utility model: the outer surface of the cable outer sheath is provided with a high temperature resistant layer, the outer surface of the high temperature resistant layer is provided with a wear-resistant layer, and the outer surface of the wear-resistant layer is provided with a corrosion-resistant layer, so that the service life of the cable can be prolonged.
As a still further scheme of the utility model: the cable outer sheath and the cable inner sheath are made of polyurethane, so that the service lives of the cable outer sheath and the cable inner sheath are longer.
As a still further scheme of the utility model: the cable loose tube is made of high-density polyethylene, so that the cable loose tube has the effects of wear resistance, electrical insulation, toughness and cold resistance.
As a still further scheme of the utility model: the reinforced core is made of glass fiber, so that the reinforced core has the advantages of excellent corrosion resistance, lightning stroke resistance, electromagnetic field interference resistance, high tensile strength, light weight, environmental friendliness, energy conservation and the like.
As a still further scheme of the utility model: the sizes of the lug and the limiting groove are matched with each other, so that the service life of the cable can be prolonged.
As a still further scheme of the utility model: the material of high temperature resistant layer is the teflon, can make the cable oversheath have high temperature resistant advantage.
As a still further scheme of the utility model: the material of wearing layer is polyethylene, can make the cable oversheath have wear-resisting advantage.
As a still further scheme of the utility model: the corrosion-resistant layer is made of tetrafluoroethylene, so that the cable outer sheath has the advantage of corrosion resistance.
Compared with the prior art, the utility model has the beneficial effects that:
1. the cable outer sheath and the cable inner sheath are made of polyurethane, the polyurethane has the advantages of oil resistance and wear resistance, the service life of the inner sheath and the outer sheath of the cable can be prolonged, the cable loose tube is made of high-density polyethylene, the cable loose tube can have the effects of wear resistance, electric insulation, toughness and cold resistance, the reinforcing core is made of glass fiber, and the reinforcing core can have the effects of excellent corrosion resistance, lightning stroke resistance, electromagnetic field interference resistance, high tensile strength, light weight, environmental friendliness, energy conservation and the like.
2. The design of the lug and the limiting groove can prevent the phenomenon that the optical fiber and the cable outer sheath are separated when the cable is dragged, so that the service life of the cable is prolonged, and the cable outer sheath can resist high temperature, wear and corrosion due to the design of the high temperature resistant layer, the wear resistant layer and the corrosion resistant layer, so that the service life of the cable is prolonged, the working temperature of the cable can be reduced, and the power transmission capacity and the bearing capacity of the cable are improved.
Drawings
Fig. 1 is a schematic structural view of a compatibilizable overhead insulated cable;
FIG. 2 is a cross-sectional view of an outer sheath of a cable in a compatibilized overhead insulated cable;
FIG. 3 is a cross-sectional view of a cable inner jacket in a compatibilized overhead insulated cable;
fig. 4 is a cross-sectional view of a bump in a compatibilized overhead insulated cable.
In the figure: 1. an optical cable body; 2. a cable outer sheath; 21. a high temperature resistant layer; 22. a wear layer; 23. a corrosion-resistant layer; 3. a cable inner sheath; 31. a bump; 4. loosening the sleeve of the cable; 41. a limiting groove; 5. an optical fiber; 6. fiber paste; 7. a reinforcement core; 8. cable paste.
Detailed Description
Example 1
The utility model provides a but aerial insulated cable of increase-volume, including optical cable body 1, as shown in figure 1, figure 2, figure 3 and figure 4, optical cable body 1's inside is provided with cable oversheath 2, cable oversheath 2's inside is provided with cable inner sheath 3, four group's lugs 31 have been seted up on cable inner sheath 3's the inside wall, cable inner sheath 3's inside is provided with a set of cable loose tube 4, the rigid coupling has a set of spacing groove 41 on cable loose tube 4's the lateral wall, cable loose tube 4's inside all is provided with a set of optic fibre 5, cable loose tube 4's inside all is provided with fine cream 6, cable inner sheath 3's inside is provided with a set of reinforced core 7, cable inner sheath 3's inside is provided with cable cream 8.
As shown in fig. 2, the outer surface of the cable jacket 2 is provided with a high temperature resistant layer 21, the outer surface of the high temperature resistant layer 21 is provided with a wear-resistant layer 22, and the outer surface of the wear-resistant layer 22 is provided with a corrosion-resistant layer 23.
As shown in fig. 2 and 3, the cable sheath 2 and the cable inner sheath 3 are made of polyurethane.
As shown in fig. 3, the material of the cable loose tube 4 is high density polyethylene.
As shown in fig. 3, the material of the reinforcing core 7 is glass fiber.
As shown in fig. 4, the size of the protrusion 31 and the size of the limiting groove 41 are matched with each other.
As shown in fig. 2, the material of the high temperature resistant layer 21 is teflon.
As shown in fig. 2, the wear-resistant layer 22 is made of polyethylene.
As shown in fig. 2, the corrosion-resistant layer 23 is made of tetrafluoroethylene.
The working principle of the utility model is as follows: the staff arranges high temperature resistant layer 21, wearing layer 22 and corrosion-resistant layer 23 in the surface of optical cable oversheath 2 according to the order in proper order earlier, and the design of three protective layer can make cable oversheath 2 have high temperature resistant, wear-resisting and corrosion-resistant effect to prolonged the life of cable, and can make cable operating temperature reduce, improved the transmission capacity and the bearing capacity of cable, then block lug 31 in spacing groove 41, just so can be connected cable inner sheath 3 stable and cable oversheath, then directly use can.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (9)
1. The utility model provides a but aerial insulated cable of increase-volume, includes optical cable body (1), and the inside of optical cable body (1) is provided with cable oversheath (2), and the inside of cable oversheath (2) is provided with cable inner sheath (3), its characterized in that, four group's lug (31) have been seted up on the inside wall of cable inner sheath (3), and the inside of cable inner sheath (3) is provided with a set of cable loose tube (4), and the rigid coupling has a set of spacing groove (41) on the lateral wall of cable loose tube (4), and the inside of cable loose tube (4) all is provided with a set of optic fibre (5), and the inside of cable loose tube (4) all is provided with fine cream (6), and the inside of cable inner sheath (3) is provided with a set of enhancement core (7), and the inside of cable inner sheath (3) is provided with cable cream (8).
2. A compatibilized overhead insulated cable according to claim 1, wherein the outer surface of the cable jacket (2) is provided with a high temperature resistant layer (21), the outer surface of the high temperature resistant layer (21) is provided with a wear layer (22), and the outer surface of the wear layer (22) is provided with a corrosion resistant layer (23).
3. A compatibilized overhead insulated cable according to claim 1, wherein the outer cable sheath (2) and the inner cable sheath (3) are made of polyurethane.
4. A compatibilized overhead insulated cable according to claim 1, wherein the loose tube (4) is made of high density polyethylene.
5. A compatibilisable overhead insulated cable according to claim 1, characterized in that the material of the reinforcing core (7) is glass fibre.
6. A compatibilisable overhead insulated cable according to claim 1, characterized in that the projections (31) and the limiting grooves (41) are mutually sized.
7. A compatibilized overhead insulated cable according to claim 2, wherein the high temperature resistant layer (21) is made of teflon.
8. A compatibilisable overhead insulated cable according to claim 2, wherein the wear layer (22) is polyethylene.
9. A compatibilized overhead insulated cable according to claim 2, wherein the corrosion resistant layer (23) is made of tetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121706715.0U CN217008768U (en) | 2021-07-26 | 2021-07-26 | Capacity-increasable overhead insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121706715.0U CN217008768U (en) | 2021-07-26 | 2021-07-26 | Capacity-increasable overhead insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217008768U true CN217008768U (en) | 2022-07-19 |
Family
ID=82367258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121706715.0U Expired - Fee Related CN217008768U (en) | 2021-07-26 | 2021-07-26 | Capacity-increasable overhead insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217008768U (en) |
-
2021
- 2021-07-26 CN CN202121706715.0U patent/CN217008768U/en not_active Expired - Fee Related
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Legal Events
| 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: 20220719 |