CN218497819U - Anti-cracking power cable - Google Patents
Anti-cracking power cable Download PDFInfo
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- CN218497819U CN218497819U CN202221136479.8U CN202221136479U CN218497819U CN 218497819 U CN218497819 U CN 218497819U CN 202221136479 U CN202221136479 U CN 202221136479U CN 218497819 U CN218497819 U CN 218497819U
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- power cable
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- insulating layer
- wear
- fixed
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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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Abstract
The utility model belongs to the technical field of the power cable technique and specifically relates to indicate a prevent power cable of fracture, including support chassis, support chassis's the outside is provided with the electric wire, the outside cover of electric wire is equipped with the protection inlayer, the outer fixed surface of protection inlayer is connected with the flame retardant coating, the outer fixed surface of flame retardant coating is connected with the shielding layer, the outer fixed surface of shielding layer is connected with the second insulating layer, the outer fixed surface of second insulating layer is connected with wear-resisting skin, wear-resisting skin includes the rubber layer, the inside fixedly connected with fixed silk on rubber layer, and the quantity of fixed silk has a plurality ofly, the inside fixedly connected with spiral silk on rubber layer, the outside at the fixed silk is fixed to the spiral silk spiral. The utility model discloses, it is rational in infrastructure, can provide horizontal and vertical pulling force for wear-resisting skin, reduce the condition of wear-resisting outer fracture and take place, and the structure of spiral is compared in conventional meshwork structure, can reduce the consumption of material effectively.
Description
Technical Field
The utility model relates to a power cable field especially relates to a prevent power cable of fracture.
Background
The power cable is a cable for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and river-crossing underwater power transmission lines, can be divided into medium and low voltage power cables, high voltage cables, ultrahigh voltage cables and extra-high voltage cables according to voltage grades, and can also be divided into alternating current cables and direct current cables according to current systems.
The outermost outer layer of the existing power cable is prone to cracking when the cable is used, the cable is prone to cracking after a long time, the inner conducting wire is exposed, the inner conducting wire of the cable is prone to danger when exposed outside, and long-time use of the cable is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a cracking-proof power cable.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides an anti-cracking power cable, includes support chassis, support chassis's the outside is provided with the electric wire, the outside cover of electric wire is equipped with the protection inlayer, the outer fixed surface of protection inlayer is connected with the flame retardant coating, the outer fixed surface of flame retardant coating is connected with the shielding layer, the outer fixed surface of shielding layer is connected with the second insulating layer, the outer fixed surface of second insulating layer is connected with wear-resisting skin, wear-resisting skin includes the rubber layer, the inside fixedly connected with fixed wire on rubber layer, and the quantity of fixed wire exists a plurality ofly, the inside fixedly connected with spiral silk on rubber layer, the outside at the fixed wire is fixed to the spiral silk spiral.
As a further description of the above technical solution:
the supporting framework comprises a fixing ring and two side plates, wherein the two side plates are respectively arranged on two sides of the fixing ring.
As a further description of the above technical solution:
the electric wire comprises a plurality of conducting wires and a first insulating layer, wherein the first insulating layer is arranged on the outer surfaces of the conducting wires.
As a further description of the above technical solution:
the first insulating layer is made of cross-linked polyethylene.
As a further description of the above technical solution:
the protective inner layer and the second insulating layer are both made of cross-linked polyethylene.
As a further description of the above technical solution:
the material of flame retardant coating is mica, the material of shielding layer is copper.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this anti-cracking power cable through rubber layer, fixed wire, spiral silk for wear-resisting skin can provide horizontal and vertical pulling force for wear-resisting skin under the effect of fixed wire and spiral silk, reduces the condition of wear-resisting skin fracture and takes place, and the structure of spiral is compared in conventional meshwork structure, can reduce the consumption of material effectively.
2. Compared with the prior art, this prevent power cable of fracture through solid fixed ring, curb plate, can provide the holding power for inside electric wire when using, avoids a large amount of electric wires gathering together and extrudees each other and the surface of friction back electric wire appears breaking, leads to the cable to damage.
Drawings
Fig. 1 is a schematic view of an overall structure of an anti-cracking power cable provided by the present invention;
fig. 2 is a schematic view of a supporting framework structure of an anti-cracking power cable provided by the present invention;
fig. 3 is the utility model provides a prevent power cable's of fracture fixed filament, spiral filament structure sketch map.
Illustration of the drawings:
1. a support framework; 101. a fixing ring; 102. a side plate; 2. an electric wire; 201. a wire; 202. a first insulating layer; 3. a protective inner layer; 4. a refractory layer; 5. a shielding layer; 6. a second insulating layer; 7. a wear-resistant outer layer; 701. a rubber layer; 702. fixing the wire; 703. a spiral wire.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 3, the utility model provides a pair of prevent power cable of fracture: including supporting framework 1, the outside of supporting framework 1 is provided with electric wire 2, the outside cover of electric wire 2 is equipped with protection inlayer 3, wrap up the inside electric wire 2 of cable through protecting inlayer 3 and protect, the outer fixed surface of protection inlayer 3 is connected with flame retardant coating 4, the material of flame retardant coating 4 is mica, reach the effect that increases the fire resistance of cable through winding the mica tape at the surface of protection inlayer 3 during the use, the outer fixed surface of flame retardant coating 4 is connected with shielding layer 5, the material of shielding layer 5 is copper, shielding layer 5 is the protection overcoat that the copper wire was woven, the outer fixed surface of shielding layer 5 is connected with second insulating layer 6, protection inlayer 3, the material of second insulating layer 6 is the crosslinked polyethylene material, the outer fixed surface of second insulating layer 6 is connected with wear-resisting outer 7, wear-resisting outer 7 includes rubber layer 701, 701 the inside fixedly connected with fixed silk 702 on rubber layer, and the quantity of fixed silk 702 has a plurality ofly, the inside fixedly connected with spiral silk 703 spiral silk is fixed in the outside of fixed silk 702, make 7 can provide the outer tensile force and the normal condition that the lateral reduction and the external structure that the fracture took place in fixed silk 703 effectively, and the normal mesh material that reduces.
The wire 2 comprises a plurality of wires 201 and a first insulating layer 202, the number of the wires 201 is multiple, the first insulating layer 202 is arranged on the outer surface of the wire 201, and the first insulating layer 202 is made of cross-linked polyethylene, so that the wire 2 is convenient to use.
The working principle is as follows: during the use, through rubber layer 701, fixed filament 702, spiral thread 703, make wear-resisting outer 7 can provide horizontal and vertical pulling force for wear-resisting outer 7 under the effect of fixed filament and spiral thread 703, reduce the condition of wear-resisting outer 7 fracture and take place, and the structure of spiral is compared in conventional meshwork structure, can reduce the consumption of material effectively, through solid fixed ring 101, curb plate 102, can provide the holding power for inside electric wire 2 when using, avoid a large amount of electric wires 2 gathering together the mutual extrusion and the outer surface of friction back electric wire 2 to appear breaking, lead to the cable to damage.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a prevent power cable that ftractures, includes support skeleton (1), its characterized in that: the outer side of supporting framework (1) is provided with electric wire (2), the outside cover of electric wire (2) is equipped with protection inlayer (3), the outer fixed surface of protection inlayer (3) is connected with flame retardant coating (4), the outer fixed surface of flame retardant coating (4) is connected with shielding layer (5), the outer fixed surface of shielding layer (5) is connected with second insulating layer (6), the outer fixed surface of second insulating layer (6) is connected with wear-resisting outer (7), wear-resisting outer (7) includes rubber layer (701), the inside fixedly connected with fixed filament (702) of rubber layer (701), and the quantity of fixed filament (702) has a plurality ofly, the inside fixedly connected with spiral filament (703) of rubber layer (701), the outside at fixed filament (702) is fixed to spiral filament (703).
2. A crack-resistant power cable according to claim 1, characterized in that: the supporting framework (1) comprises a fixing ring (101) and two side plates (102), wherein the number of the side plates (102) is two, and the two side plates (102) are respectively arranged on two sides of the fixing ring (101).
3. A crack-resistant power cable according to claim 1, characterized in that: the electric wire (2) comprises a plurality of conducting wires (201) and a first insulating layer (202), wherein the first insulating layer (202) is arranged on the outer surface of each conducting wire (201).
4. A crack-resistant power cable according to claim 3, characterized in that: the first insulating layer (202) is made of cross-linked polyethylene.
5. A crack-resistant power cable according to claim 1, characterized in that: the protective inner layer (3) and the second insulating layer (6) are both made of cross-linked polyethylene.
6. A crack-resistant power cable according to claim 1, characterized in that: the fireproof layer (4) is made of mica, and the shielding layer (5) is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221136479.8U CN218497819U (en) | 2022-05-12 | 2022-05-12 | Anti-cracking power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221136479.8U CN218497819U (en) | 2022-05-12 | 2022-05-12 | Anti-cracking power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218497819U true CN218497819U (en) | 2023-02-17 |
Family
ID=85182171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221136479.8U Active CN218497819U (en) | 2022-05-12 | 2022-05-12 | Anti-cracking power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218497819U (en) |
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2022
- 2022-05-12 CN CN202221136479.8U patent/CN218497819U/en active Active
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