CN104700950A - Distortion resisting and tension resisting power cable - Google Patents
Distortion resisting and tension resisting power cable Download PDFInfo
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- CN104700950A CN104700950A CN201510109789.9A CN201510109789A CN104700950A CN 104700950 A CN104700950 A CN 104700950A CN 201510109789 A CN201510109789 A CN 201510109789A CN 104700950 A CN104700950 A CN 104700950A
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Abstract
The invention discloses a distortion resisting and tension resisting power cable. The distortion resisting and tension resisting power cable comprises sleeves, a cable core and a reinforcement core, wherein the sleeves is divided into multiple groups, the multiple groups of the sleeves are distributed in a ring shape, the middles of all the sleeves cooperatively form a buffer area, the cross section of each sleeve is in an oval shape, long axes of the sleeves are arranged along the radial direction of the distortion resisting and tension resisting power cable, the multiple groups of the sleeves are integrally wrapped with a wrapping layer, an extrusion layer wraps the exterior of the wrapping layer, the cable core and the reinforcement core are arranged in the sleeves, the cable core and the reinforcement core are respectively located at the long axial ends in the sleeves and attached to the inner walls of the sleeves, the cable core and the reinforcement core are connected into a whole through an elastic connection piece, the elastic connection piece is arranged along the length direction of the cable core or the reinforcement core, the cable core is composed of a conductor, and a mica tape wrapping layer and an insulating layer which sequentially wrap the periphery of the conductor from the inside out, the reinforcement core is composed of a tension resisting body and an external protection layer which wraps the tension resisting body, and two sides of the elastic connection piece are respectively and fixedly connected onto the peripheral faces of the insulating layer and the external protection layer. The distortion resisting and tension resisting power cable is excellent in distortion resisting and tension resisting ability.
Description
Technical field
The present invention relates to power transmission technology field, particularly relate to a kind of warp resistance tension power cable.
Background technology
Countries in the world have all turned one's attention to the clean energy resourcies such as nuclear energy, photovoltaic, wind energy, and the exploitation of renewable resource has become majority state energy strategy.Along with the bankruptcy of large quantities of photovoltaic enterprise, majority state is for the resistance of nuclear energy, and the spatter property of wind energy, recyclability, resource popularity make it get most of the attention, become on the largest scale in all new forms of energy, technology is the most ripe, the power generation mode that has business development prospect most.Also just urged the development of the supporting cable industry of wind power generation simultaneously.But due to wind field bad environments, and power cable with impeller swing and distortion, stretching.Frequent distortion and stretching can cause stretching, extension repeatedly between cable core, extruding, and then cause the problem of disconnected core, affect the useful life of power cable.
Summary of the invention
Based on the technical problem that above-mentioned background technology exists, the present invention proposes a kind of warp resistance tension power cable, and this cable has good warp resistance ability and resistance to tension.
The present invention proposes a kind of warp resistance tension power cable, comprising: sleeve, core and strengthening core; Wherein, sleeve is provided with many groups, and many group sleeves distribute ringwise, each sleeve cooperatively interacts in formation buffering area, middle part, and the shape of cross section of sleeve is oval, and the radial direction of the long axis power cable of sleeve is placed, many groups sleeve entirety is coated with lapping layer, and lapping layer is coated with and extrudes layer; Core and strengthening core are arranged in sleeve, core and strengthening core lay respectively at longitudinal end in sleeve and fit with sleeve lining, and core and strengthening core connect part by elasticity and connect as one, elasticity connects part and arranges along core or strengthening core length direction, core is by conductor and be coated on the Mica tape layer of conductor periphery from inside to outside successively and insulating barrier forms, strengthening core is by tension element and the outer jacket be coated on outside tension element, and the both sides that elasticity connects part are fixedly connected on the outer peripheral face of insulating barrier and outer jacket respectively.
Preferably, barrel bore is provided with baffle plate, and baffle plate is positioned at sleeve brchypinacoid and length is consistent with the length of sleeve, and meanwhile, baffle plate is between core and strengthening core, and baffle plate is set to two groups, and one group near strengthening core is overhead gage, and one group near core is lower baffle plate.
Preferably, overhead gage is provided with two pieces and major axis along sleeve is symmetrical, and overhead gage is arc, and arc-shaped concave is towards strengthening core.
Preferably, lower baffle plate is provided with two pieces and major axis along sleeve is symmetrical, and lower baffle plate is arc, and arc-shaped concave is towards core.
Preferably, the length of Flexible Connector is consistent with the length of core or strengthening core.
Preferably, elastic filler is filled with in the gap between lapping layer and sleeve.
In the present invention, core and strengthening core are arranged in sleeve, and the shape of cross section of sleeve is oval, the radial direction of the long axis power cable of sleeve is placed, core and strengthening core well can be fitted with sleeve and formed on the hoop of power cable good in cushion space; Many groups sleeve distributes ringwise, make to form outer cushion space between cable inner sleeve, when cable is by distortion power effect time, core can be avoided stressed by interior cushion space and cooperatively interacting of outer cushion space, improve the distortion resistance of core, avoid core to break the problem of core; And in the present invention; core and strengthening core connect part by elasticity and connect as one; by adding cardiac stimulant when pulling force and core is simultaneously stressed; strengthen the resistance to tension of core; the Flexible Connector be connected between core and strengthening core can when cable be subject to distortion power; for core and strengthening core provide reseting elasticity, and avoid the mutual extruding of strengthening core and core, protection core does not suffer damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of warp resistance tension power cable that the present invention proposes.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
As shown in Figure 1, Fig. 1 is the structural representation of a kind of warp resistance tension power cable that the present invention proposes.
With reference to Fig. 1, a kind of warp resistance tension power cable that the embodiment of the present invention proposes, comprising: sleeve 1, core 2, strengthening core 3, lapping layer 4 and extrude layer 5, wherein, sleeve 1 is provided with many groups, and many group sleeves 1 distribute ringwise, and each sleeve 1 cooperatively interacts in formation buffering area, middle part 11, the shape of cross section of sleeve 1 is oval, and the radial direction of the long axis power cable of sleeve 1 is placed, and many group sleeve 1 entirety is coated with lapping layer 3, and lapping layer 3 is coated with and extrudes layer 4, core 2 and strengthening core 3 are arranged in sleeve 1, core 2 and strengthening core 3 lay respectively at longitudinal end in sleeve 1 and fit with sleeve 1 inwall, and core 2 and strengthening core 3 connect part 6 by elasticity and connect as one, elasticity connects part 6 and to arrange and the length of Flexible Connector 6 is consistent with the length of core 2 or strengthening core 3 along core 2 or strengthening core 3 length direction, core 2 is by conductor 21 and be coated on the Mica tape layer 22 of conductor 21 periphery from inside to outside successively and insulating barrier 23 forms, strengthening core 3 is by tension element 31 and the outer jacket 32 be coated on outside tension element 31, the both sides that elasticity connects part 6 are fixedly connected on the outer peripheral face of insulating barrier 23 and outer jacket 32 respectively.
In the present embodiment, fill elastic filler in the gap between lapping layer 4 sleeve 1, the relative stability between sleeve 1 can be strengthened; Also be provided with baffle plate 7 at sleeve 1 inner chamber, baffle plate 7 is positioned at sleeve 1 brchypinacoid and length is consistent with the length of sleeve 1, simultaneously, baffle plate 7 is between core 2 and strengthening core 3, baffle plate 7 is set to two groups, and one group near strengthening core 3 is overhead gage 71, and one group near core 2 is lower baffle plate 72; Overhead gage 71 is provided with two pieces and major axis along sleeve 1 is symmetrical, and overhead gage 71 is arc, and arc-shaped concave is towards strengthening core 3; Lower baffle plate 72 is provided with two pieces and major axis along sleeve 1 is symmetrical, and lower baffle plate 72 is arc, and arc-shaped concave, towards core 2, can strengthen core 2 and the positional stability of strengthening core 3 in sleeve 1 by arranging of baffle plate 7.
The present invention by said structure arrange core 2 and strengthening core 3 well can be fitted with sleeve 1 and formed on the hoop of power cable good in cushion space, make to form outer cushion space between cable inner sleeve 1, when cable is by distortion power effect time, core 2 can be avoided stressed by interior cushion space and cooperatively interacting of outer cushion space; And in the present invention; core 2 and strengthening core 3 connect part 6 by elasticity and connect as one; by adding cardiac stimulant when pulling force and core 2 is simultaneously stressed; strengthen the resistance to tension of core 2; the Flexible Connector be connected between core 2 and strengthening core 3 can when cable be subject to distortion power; for core 2 and strengthening core 3 provide reseting elasticity, and avoid strengthening core 3 and the mutual extruding of core 2, protect core 2 not suffer damage.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a warp resistance tension power cable, is characterized in that, comprising: sleeve (1), core (2), strengthening core (3), lapping layer (4) and extrude layer (5), wherein, sleeve (1) is provided with many groups, organizes sleeve (1) more and distributes ringwise, and each sleeve (1) cooperatively interacts in formation buffering area, middle part (11), the shape of cross section of sleeve (1) is oval, the radial direction of the long axis power cable of sleeve (1) is placed, organize sleeve (1) entirety more and be coated with lapping layer (3), lapping layer (3) is coated with and extrudes layer (4), core (2) and strengthening core (3) are arranged in sleeve (1), core (2) and strengthening core (3) lay respectively at sleeve (1) interior longitudinal end and fit with sleeve (1) inwall, and core (2) and strengthening core (3) connect part (6) by elasticity and connect as one, elasticity connects part (6) and arranges along core (2) or strengthening core (3) length direction, core (2) is by conductor (21) and be coated on the Mica tape layer (22) of conductor (21) periphery from inside to outside successively and insulating barrier (23) forms, strengthening core (3) is by tension element (31) and be coated on tension element (31) outer jacket outward (32), the both sides that elasticity connects part (6) are fixedly connected on the outer peripheral face of insulating barrier (23) and outer jacket (32) respectively.
2. warp resistance tension power cable according to claim 1, it is characterized in that, sleeve (1) inner chamber is provided with baffle plate (7), baffle plate (7) is positioned at sleeve (1) brchypinacoid and length is consistent with the length of sleeve (1), simultaneously, baffle plate (7) is positioned between core (2) and strengthening core (3), baffle plate (7) is set to two groups, one group near strengthening core (3) is overhead gage (71), and one group near core (2) is lower baffle plate (72).
3. warp resistance tension power cable according to claim 2, it is characterized in that, overhead gage (71) is provided with two pieces and major axis along sleeve (1) is symmetrical, and overhead gage (71) is arc, and arc-shaped concave is towards strengthening core (3).
4. warp resistance tension power cable according to claim 2, it is characterized in that, lower baffle plate (72) is provided with two pieces and major axis along sleeve (1) is symmetrical, and lower baffle plate (72) is arc, and arc-shaped concave is towards core (2).
5. the warp resistance tension power cable according to any one of claim 1-4, is characterized in that, the length of Flexible Connector (6) is consistent with the length of core (2) or strengthening core (3).
6. the warp resistance tension power cable according to any one of claim 1-4, is characterized in that, is filled with elastic filler in the gap between lapping layer (4) and sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109789.9A CN104700950B (en) | 2015-03-12 | 2015-03-12 | Distortion resisting and tension resisting power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109789.9A CN104700950B (en) | 2015-03-12 | 2015-03-12 | Distortion resisting and tension resisting power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104700950A true CN104700950A (en) | 2015-06-10 |
| CN104700950B CN104700950B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510109789.9A Active CN104700950B (en) | 2015-03-12 | 2015-03-12 | Distortion resisting and tension resisting power cable |
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| CN (1) | CN104700950B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203192461U (en) * | 2013-04-02 | 2013-09-11 | 安徽神州缆业集团有限公司 | Warp-resistant cable used in mobile places |
| CN103903692A (en) * | 2014-03-01 | 2014-07-02 | 安徽海容电缆有限公司 | Elastic and bending-resistant control cable |
| CN103971832A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Wind energy anti-torque cable |
| CN103996446A (en) * | 2014-06-12 | 2014-08-20 | 江苏大地电缆有限公司 | High-strength waterproof and fireproof cable |
| CN204166941U (en) * | 2014-11-17 | 2015-02-18 | 天长市瑞侃热控有限公司 | A kind of shielding waterproofing type oval cable |
| CN204516441U (en) * | 2015-03-12 | 2015-07-29 | 安徽特种电缆集团有限公司 | A kind of warp resistance tension power cable |
-
2015
- 2015-03-12 CN CN201510109789.9A patent/CN104700950B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203192461U (en) * | 2013-04-02 | 2013-09-11 | 安徽神州缆业集团有限公司 | Warp-resistant cable used in mobile places |
| CN103903692A (en) * | 2014-03-01 | 2014-07-02 | 安徽海容电缆有限公司 | Elastic and bending-resistant control cable |
| CN103971832A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Wind energy anti-torque cable |
| CN103996446A (en) * | 2014-06-12 | 2014-08-20 | 江苏大地电缆有限公司 | High-strength waterproof and fireproof cable |
| CN204166941U (en) * | 2014-11-17 | 2015-02-18 | 天长市瑞侃热控有限公司 | A kind of shielding waterproofing type oval cable |
| CN204516441U (en) * | 2015-03-12 | 2015-07-29 | 安徽特种电缆集团有限公司 | A kind of warp resistance tension power cable |
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| Publication number | Publication date |
|---|---|
| CN104700950B (en) | 2017-05-10 |
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Effective date of registration: 20230411 Address after: Building 1-3, No. 188 Gaoxin Avenue, Dujiang Industrial Zone, Wuwei County, Wuhu City, Anhui Province, 238300 Patentee after: Anhui Special Cable Co.,Ltd. Address before: No. 188 Gaoxin Avenue, Dujiang Industrial Zone, Wuwei County, Wuhu City, Anhui Province, 238300 Patentee before: ANHUI SPECIAL CABLE GROUP Co.,Ltd. |
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