CN217333721U - Power cable not easy to break - Google Patents
Power cable not easy to break Download PDFInfo
- Publication number
- CN217333721U CN217333721U CN202221223882.4U CN202221223882U CN217333721U CN 217333721 U CN217333721 U CN 217333721U CN 202221223882 U CN202221223882 U CN 202221223882U CN 217333721 U CN217333721 U CN 217333721U
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- China
- Prior art keywords
- cable
- glass fiber
- sleeve
- wall
- protective sheath
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- 241001391944 Commicarpus scandens Species 0.000 title claims description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 239000003365 glass fiber Substances 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000010445 mica Substances 0.000 claims description 18
- 229910052618 mica group Inorganic materials 0.000 claims description 18
- 238000005728 strengthening Methods 0.000 claims description 10
- 238000005299 abrasion Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 27
- 238000005452 bending Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004553 extrusion of metal Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
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 a power cable of difficult rupture, including cable main part and protection machanism, protection machanism includes lag and intensive mechanism, and intensive mechanism sets up in the inner chamber of lag, and intensive mechanism includes the glass fiber cover, is provided with the spiral protective sheath in the inner chamber of glass fiber cover, and the inner wall of spiral protective sheath is a plurality of metal wires of ring array equidistance fixedly connected with, is provided with the rubber sleeve in the inner chamber of spiral protective sheath, and the outer wall of rubber sleeve is the ring array equidistance and has seted up a plurality of recesses. The utility model discloses when the cable takes place to buckle, deformation tensile is taken place along with taking place for outside lag, the inside glass fiber cover of lag, and spiral protective sheath and metal wire take place deformation thereupon, improve the inside intensity of cable, protect inside cable core, utilize the good toughness of glass fiber cover, hinder buckling of cable, reduce buckling of cable, improve the anti performance of buckling of cable.
Description
Technical Field
The utility model relates to a power cable field, in particular to power cable of difficult rupture.
Background
The power cable is used for transmitting and distributing electric energy and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater.
In the laying process of the power cable, the cable is easy to bend due to the fact that the cable is moved, the insulating protective layer and the wire core inside the cable are easy to damage after the cable is bent for a plurality of times, and even the insulating protective layer is broken, so that normal use of the power cable is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable of difficult rupture to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a power cable not easy to break comprises a cable main body and a protection mechanism, wherein the protection mechanism is arranged on the cable main body;
the protection mechanism comprises a protection sleeve and a strengthening mechanism, the protection sleeve is arranged outside the cable main body, and the strengthening mechanism is arranged in an inner cavity of the protection sleeve;
reinforce the mechanism and include the glass fiber cover, be provided with the spiral protective sheath in the inner chamber of glass fiber cover, the inner wall of spiral protective sheath is a plurality of metal wires of ring array equidistance fixedly connected with, be provided with rubber sleeve in the inner chamber of spiral protective sheath, rubber sleeve's outer wall is the ring array equidistance and has seted up a plurality of recesses.
Preferably, a mica tape is arranged in the inner cavity of the rubber sleeve, a plurality of insulating protective sleeves are arranged in the inner cavity of the mica tape, and the mica tape is spirally and annularly arranged on the outer walls of the insulating protective sleeves.
Preferably, the fixed cable core that alternates in the inner chamber of insulating protective sheath, be provided with a plurality of glass fiber lines in the inner chamber of mica tape, the glass fiber line sets up between mica tape and insulating protective sheath.
Preferably, the outer wall of the glass fiber sleeve is attached to the inner wall of the protective sleeve, and the metal wire is arranged in the inner cavity of the groove.
Preferably, the protective sleeve comprises a wear-resistant layer, a rubber layer and a shielding layer, and the wear-resistant layer, the rubber layer and the shielding layer are sequentially stacked.
Preferably, the wear-resistant layer is arranged on the outer wall of the rubber layer, and the shielding layer is arranged on the inner wall of the rubber layer.
The utility model discloses a technological effect and advantage:
(1) the utility model discloses utilize glass fiber cover, spiral protective sheath and metal wire matched with mode of setting, when the cable takes place to buckle, the outer lag along with taking place deformation, the glass fiber cover of lag inside takes place to deform and draws, spiral protective sheath and metal wire take place to deform thereupon, improve the intensity inside the cable, protect the inside cable core, utilize the good toughness of glass fiber cover, hinder the bending of cable, reduce the bending of cable, improve the anti-bending performance of cable;
(2) the utility model discloses utilize rubber sleeve and recess matched with to set up the mode, when the cable takes place to buckle, rubber sleeve takes place deformation, and the groove position takes place deformation and expandes, and the metal wire extends in the inner chamber deformation of recess, reduces the metal wire to the extrusion of rubber sleeve and inside cable core, protects cable inside.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 3 is the schematic side sectional structure view of the protection cover of the present invention.
Fig. 4 is the front sectional structure diagram of the protection cover of the present invention.
In the figure: 1. a cable body; 2. a protection mechanism; 21. a protective sleeve; 22. a strengthening mechanism; 221. a glass fiber sleeve; 222. a spiral protective sleeve; 223. a metal wire; 224. a rubber sleeve; 225. a groove; 3. mica tapes; 4. an insulating protective sleeve; 5. a cable core; 6. a glass fiber thread; 7. a wear resistant layer; 8. a rubber layer; 9. and a shielding layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a power cable which is not easy to break as shown in figures 1-4, comprising a cable main body 1 and a protection mechanism 2, wherein the protection mechanism 2 is arranged on the cable main body 1, and the protection mechanism 2 is arranged outside a cable core 5 to protect the cable core and prevent the cable from bending;
the protection mechanism 2 comprises a protection sleeve 21 and a strengthening mechanism 22, the protection sleeve 21 is arranged outside the cable main body 1, the protection sleeve 21 is made of an insulating material and used for protecting the inside of the cable, the strengthening mechanism 22 is arranged in an inner cavity of the protection sleeve 21, and the strengthening mechanism 22 is used for enhancing the bending resistance of the cable main body 1 and reducing the damage to the cable main body 1;
the strengthening mechanism 22 comprises a glass fiber sleeve 221, the glass fiber sleeve 221 is made of glass fiber material and has good toughness, the strengthening mechanism is arranged in an inner cavity of the protecting sleeve 21, when a cable is bent, the glass fiber sleeve 221 is stretched and deformed, the bending of the cable is reduced by utilizing the toughness of the glass fiber sleeve 221, a spiral protecting sleeve 222 is arranged in the inner cavity of the glass fiber sleeve 221, the spiral protecting sleeve 222 is arranged in a spring shape and made of elastic metal material, the spiral protecting sleeve 222 is sleeved outside a rubber sleeve 224 and is used for enhancing the strength inside the cable through the metal characteristic of the spiral protecting sleeve 222, the inner wall of the spiral protecting sleeve 222 is in an annular array and is fixedly connected with a plurality of metal wires 223 at equal intervals, the metal wires 223 are made of elastic metal material and are fixedly connected with the inner wall of the spiral protecting sleeve 222 and used for connecting adjacent metal rings of the spiral protecting sleeve 222 to reduce the bending of the spiral protecting sleeve 222, the protection performance of the spiral protective sleeve 222 is enhanced, a rubber sleeve 224 is arranged in an inner cavity of the spiral protective sleeve 222, the rubber sleeve 224 is used for protecting an internal cable core 5, the spiral protective sleeve 222 and the mica tape 3 are isolated, a plurality of grooves 225 are formed in the outer wall of the rubber sleeve 224 in an annular array at equal intervals, the grooves 225 are arranged in an arc shape, metal wires 223 are arranged in the inner cavity of the grooves 225, when the cable is bent, the metal wires 223 deform and extend in the inner cavity of the grooves 225, and extrusion of the metal wires 223 on the rubber sleeve 224 and the internal cable core 5 is reduced;
a mica tape 3 is arranged in the inner cavity of the rubber sleeve 224, a plurality of insulating protective sleeves 4 are arranged in the inner cavity of the mica tape 3, the insulating protective sleeves 4 are coated on the cable cores 5 to separate the cable cores 5, the mica tape 3 is spirally arranged on the outer walls of the insulating protective sleeves 4 in a surrounding manner, and the mica tape 3 is spirally wound on the insulating protective sleeves 4 to fix and protect the cable cores 5;
the cable core 5 is fixedly inserted into the inner cavity of the insulating protective sleeve 4, the cable core 5 is made of a conductive metal material, a plurality of glass fiber wires 6 are arranged in the inner cavity of the mica tape 3, the glass fiber wires 6 are made of a glass fiber material, the glass fiber wires 6 are arranged between the mica tape 3 and the insulating protective sleeve 4, the glass fiber wires 6 are arranged between the cable cores 5, the good tensile resistance of the glass fiber wires 6 is utilized to increase the bending resistance of the middle position of the cable, the outer wall of the glass fiber sleeve 221 is attached to the inner wall of the protective sleeve 21, and the metal wire 223 is arranged in the inner cavity of the groove 225;
The utility model discloses theory of operation: when the cable takes place to buckle, outside lag 21 is along with taking place deformation, the inside glass fiber cover 221 of lag 21 takes place deformation tensile, spiral protective sheath 222 and metal wire 223 take place deformation thereupon, improve the inside intensity of cable, protect inside cable core 5, utilize the good toughness of glass fiber cover 221, buckle to the cable and hinder, reduce the buckling of cable, when the cable takes place to buckle simultaneously, rubber sleeve 224 takes place deformation, the deformation expandes takes place for the recess 225 position, metal wire 223 extends in the inner chamber deformation of recess 225, reduce the extrusion of metal wire 225 to rubber sleeve 224 and inside cable core 5, protect inside the cable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. A power cable not easy to break comprises a cable main body (1) and a protection mechanism (2), and is characterized in that the protection mechanism (2) is arranged on the cable main body (1);
the protection mechanism (2) comprises a protection sleeve (21) and a strengthening mechanism (22), the protection sleeve (21) is arranged outside the cable main body (1), and the strengthening mechanism (22) is arranged in an inner cavity of the protection sleeve (21);
reinforce mechanism (22) and include glass fiber cover (221), be provided with spiral protective sheath (222) in the inner chamber of glass fiber cover (221), the inner wall of spiral protective sheath (222) is a plurality of metal wires (223) of annular array equidistance fixedly connected with, be provided with rubber sleeve (224) in the inner chamber of spiral protective sheath (222), the outer wall of rubber sleeve (224) is the annular array equidistance and has seted up a plurality of recesses (225).
2. A power cable not liable to break off according to claim 1, wherein the inner cavity of the rubber sleeve (224) is provided with a mica tape (3), the inner cavity of the mica tape (3) is provided with a plurality of insulating protective sleeves (4), and the mica tape (3) is spirally wound around the outer walls of the plurality of insulating protective sleeves (4).
3. A power cable not liable to break according to claim 2, wherein the cable core (5) is fixedly inserted into the inner cavity of the insulating protective sleeve (4), the mica tape (3) is provided with a plurality of glass fiber wires (6) in the inner cavity, and the glass fiber wires (6) are arranged between the mica tape (3) and the insulating protective sleeve (4).
4. A non-frangible power cable as claimed in claim 1 wherein the outer wall of the glass fibre sheath (221) is conformed to the inner wall of the protective sheath (21) and the wire (223) is disposed in the inner cavity of the groove (225).
5. A power cable not liable to break according to claim 1, wherein the protective sheath (21) comprises a wear-resistant layer (7), a rubber layer (8) and a shielding layer (9), and the wear-resistant layer (7), the rubber layer (8) and the shielding layer (9) are sequentially stacked.
6. A non-frangible power cable as claimed in claim 5, characterized in that the abrasion resistant layer (7) is provided on the outer wall of the rubber layer (8) and the shielding layer (9) is provided on the inner wall of the rubber layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221223882.4U CN217333721U (en) | 2022-05-19 | 2022-05-19 | Power cable not easy to break |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221223882.4U CN217333721U (en) | 2022-05-19 | 2022-05-19 | Power cable not easy to break |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217333721U true CN217333721U (en) | 2022-08-30 |
Family
ID=82952907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221223882.4U Active CN217333721U (en) | 2022-05-19 | 2022-05-19 | Power cable not easy to break |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217333721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116230309A (en) * | 2023-05-08 | 2023-06-06 | 陕西盛禾汇达网络科技有限公司 | Power communication cable |
-
2022
- 2022-05-19 CN CN202221223882.4U patent/CN217333721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116230309A (en) * | 2023-05-08 | 2023-06-06 | 陕西盛禾汇达网络科技有限公司 | Power communication cable |
| CN116230309B (en) * | 2023-05-08 | 2023-10-03 | 陕西盛禾汇达网络科技有限公司 | Power communication cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A power cable that is not easily broken Effective date of registration: 20231218 Granted publication date: 20220830 Pledgee: Bank of Taizhou Co.,Ltd. Road and Bridge Central Avenue Sub branch Pledgor: Zhejiang Li'an Cable Co.,Ltd. Registration number: Y2023330003038 |