CN216849401U - Anti-fracture long-life low-voltage power cable - Google Patents
Anti-fracture long-life low-voltage power cable Download PDFInfo
- Publication number
- CN216849401U CN216849401U CN202220316396.0U CN202220316396U CN216849401U CN 216849401 U CN216849401 U CN 216849401U CN 202220316396 U CN202220316396 U CN 202220316396U CN 216849401 U CN216849401 U CN 216849401U
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- Prior art keywords
- steel wire
- filling body
- voltage power
- power cable
- cable
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- Expired - Fee Related
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- 230000002968 anti-fracture Effects 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cables, especially, relate to a prevent long-life low voltage power cable that splits. The tensile part comprises two steel wire ropes arranged in parallel, a plurality of annular tensile sleeves are arranged between the two steel wire ropes, protruding parts are arranged on two sides of the outer sheath, and the steel wire ropes are located in the protruding parts; the inner side of the outer sheath is provided with a wrapping layer, a filling body is arranged in the wrapping layer, and the insulation wire core is located in the filling body. The utility model adopts the tensile part arranged in the outer sheath to improve the tensile capacity of the cable and prevent the cable from breaking under the tensile force; the plurality of grooves are formed in the filling body, so that the heat dissipation performance and flexibility of the cable are improved.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a prevent long-life low voltage power cable that splits.
Background
The cable used to transmit electric energy is called power cable, in most factories the voltage used is 380 v, belonging to low voltage cable. The cable is generally provided with a plurality of mutually insulated conductors inside and an outer sheath for protection outside. The cable is laying or the in-process of using, often can receive the pulling force, when the pulling force is great, will lead to the oversheath fracture, can lead to the conductor fracture when serious, causes the cable life-span shorter. In order to solve the above problems, it is necessary to develop a fracture-resistant long-life low-voltage power cable.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an anti-breaking long-life low-voltage power cable aiming at the technical defects, wherein a tensile part is arranged in an outer sheath to improve the tensile capacity of the cable and prevent the cable from breaking under tension; the plurality of grooves are formed in the filling body, so that the heat dissipation performance and flexibility of the cable are improved.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the anti-fracture long-life low-voltage power cable comprises an outer sheath and a plurality of insulating wire cores, wherein a tensile part is arranged inside the outer sheath, the tensile part comprises two steel wire ropes which are arranged in parallel, a plurality of annular tensile force sleeves are arranged between the two steel wire ropes, protruding parts are arranged on two sides of the outer sheath, and the steel wire ropes are located in the protruding parts; the inner side of the outer sheath is provided with a wrapping layer, a filling body is arranged in the wrapping layer, and the insulation wire core is located in the filling body.
Further optimize this technical scheme, the obturator is provided with the slot between adjacent insulation core, the slot communicates with the surface of obturator, forms the opening at the surface of obturator.
Further optimizing the technical scheme, the cross section of the groove is in a fan shape.
Further optimizing the technical scheme, the tension sleeve is brazed on the steel wire rope.
Compared with the prior art, the utility model has the advantages of it is following: 1. the tensile piece consists of a steel wire rope and a tensile sleeve, and can provide better tensile property for the cable; 2. the steel wire rope is positioned in the convex part outside the outer sheath, so that the material consumed by the outer sheath is saved; 3. the plurality of grooves are formed in the filling body, so that the heat dissipation performance and the flexibility of the cable are improved; 4. the tension sleeve is fixed on the steel wire rope in a brazing mode, the steel wire rope cannot be damaged, and the connection is firm.
Drawings
Fig. 1 is a schematic structural diagram of a fracture-preventing long-life low-voltage power cable.
Fig. 2 is a schematic structural view of a tensile member of an anti-fracture long-life low-voltage power cable.
Fig. 3 is a cross-sectional view of a fracture-resistant long-life low-voltage power cable.
In the figure: 1. an outer sheath; 11. a projection; 2. a tensile member; 21. a wire rope; 22. a tension sleeve; 3. a wrapping layer; 4. a filler; 41. a trench; 5. an insulated wire core.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows: combine shown in fig. 1-3, a prevent fracture long-life low pressure power cable, including oversheath 1 and a plurality of insulation core 5, oversheath 1 adopts the better rubber preparation of elasticity, and insulation core 5 includes the conductor and the cladding at the outside insulating layer of conductor, oversheath 1 is inside to be provided with tensile piece 2, tensile piece 2 includes two parallel arrangement's wire rope 21, is provided with a plurality of pulling force cover 22 that are the ring type between two wire rope 21, and the both sides of pulling force cover 22 are fixed respectively on two wire rope 21, the both sides of oversheath 1 are provided with bulge 11, wire rope 21 is located bulge 11. The utility model discloses an insulating core, including oversheath 1, the outside of oversheath 1 is provided with package layer 3, be provided with obturator 4 in the package layer 3, insulating sinle silk 5 is located obturator 4, and obturator 4 is the rubber body of extrusion molding in insulating sinle silk 5 outsides.
The filling body 4 is provided with a groove 41 between adjacent insulated wire cores 5, the groove 41 is communicated with the outer surface of the filling body 4, and an opening is formed on the outer surface of the filling body 4. The grooves 41 improve the heat dissipation properties of the filling body 4 on the one hand and the flexibility of the cable on the other hand.
The cross section of the groove 41 is fan-shaped.
The tension sleeve 22 is brazed on the steel wire rope 21, the steel wire rope 21 cannot be damaged, and the connection is firm.
In use, and as shown in fig. 1-3, when tension is applied to the two ends of the cable, the steel wire rope 21 will bear most of the tension; when the side of the cable is under tension, the tension is transmitted to the steel wire rope 21 through the tension sleeve 22, so that the steel wire rope 21 bears most of the tension, and the cable is not easy to break.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. The utility model provides an anti-fracture long-life low voltage power cable, includes oversheath (1) and a plurality of insulation core (5), its characterized in that: the tensile part (2) is arranged in the outer sheath (1), the tensile part (2) comprises two steel wire ropes (21) which are arranged in parallel, a plurality of annular tensile sleeves (22) are arranged between the two steel wire ropes (21), protruding parts (11) are arranged on two sides of the outer sheath (1), and the steel wire ropes (21) are positioned in the protruding parts (11); the inner side of the outer sheath (1) is provided with a wrapping layer (3), a filling body (4) is arranged in the wrapping layer (3), and the insulating wire core (5) is located in the filling body (4).
2. The anti-fracture long-life low-voltage power cable as claimed in claim 1, wherein: the filling body (4) is provided with a groove (41) between the adjacent insulated wire cores (5), the groove (41) is communicated with the outer surface of the filling body (4), and an opening is formed in the outer surface of the filling body (4).
3. The anti-fracture long-life low-voltage power cable as claimed in claim 2, wherein: the cross section of the groove (41) is in a fan shape.
4. The anti-fracture long-life low-voltage power cable as claimed in claim 1, wherein: the tension sleeve (22) is brazed on the steel wire rope (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220316396.0U CN216849401U (en) | 2022-02-17 | 2022-02-17 | Anti-fracture long-life low-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220316396.0U CN216849401U (en) | 2022-02-17 | 2022-02-17 | Anti-fracture long-life low-voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216849401U true CN216849401U (en) | 2022-06-28 |
Family
ID=82091351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220316396.0U Expired - Fee Related CN216849401U (en) | 2022-02-17 | 2022-02-17 | Anti-fracture long-life low-voltage power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216849401U (en) |
-
2022
- 2022-02-17 CN CN202220316396.0U patent/CN216849401U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220628 |