CN101369687B - Carbon fiber composite core conductor joint - Google Patents
Carbon fiber composite core conductor joint Download PDFInfo
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- CN101369687B CN101369687B CN2008100794142A CN200810079414A CN101369687B CN 101369687 B CN101369687 B CN 101369687B CN 2008100794142 A CN2008100794142 A CN 2008100794142A CN 200810079414 A CN200810079414 A CN 200810079414A CN 101369687 B CN101369687 B CN 101369687B
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Abstract
The invention discloses a carbon fiber compound core lead joint; the lead joint is the inner-outer layered structure; the outer layer is comprised of a cylindrical wire-pressing sleeve and a fixed conductive connecting joint outside the wire-pressing sleeve; the inner cavity of the wire-pressing sleeve is provided with a combined inner layer structure comprising a tension head, a tightening sleeve, an inner resisting nut and an inner cone; one end of the tightening is the subulate cavity; the conicity of the inner cavity conforms to the conicity of the exterior of the inner cone sleeved in the cavity; another end of the tightening sleev is provided with inner thread screws; the inner thread screws matches the outer thread screws of the tension head and the inner resisting nut; the inner cone is provided with the central through hole of the carbon fiber compound core; an annular cavity of the aluminum stranded wire is provided between the inner resisting nut and the tension head; a resisting inner cone lug is located between the inner resisting nut and the inner cone; a mutually engaged joint is located between the inner resisting nut and the tension head. The invention is especially suitable for the joint of the high voltage, extra high voltage power transmitting carbon fiber compound core.
Description
Technical field
The present invention relates to the jointing of a kind of joint of high voltage electricity transmission conductive wire, particularly a kind of carbon fiber composite core wire.
Background technology
One of key technology in the high voltage power transmission is a lead both at home and abroad, and the quality of lead performance is influence transmission of electricity characteristic directly.Lead in use will bear the influence of complicated industrial and mineral: wind-force fatigue load, electric field induction, magnetic field eddy current, high temperature, high and cold, sleet hail etc., and be subjected to the corrosion of various media in the atmosphere.Thereby require lead will have high conductive characteristic, high hot strength, high anti-fatigue performance, high anti-complex environment influence and decay resistance.The lead of usefulness all is steel reinforced aluminium conductor or steel core copper stranded conductor almost both at home and abroad at present, though such lead can satisfy the conduction requirement, and the line loss height, sag is big, and electromagnetic noise is big, is unfavorable for strengthening the transmission of electricity of tower distance and high temperature.
Abroad occurred in recent years with the composite core lead, it is characterized in that replacing steel core, this novel conductive wire to have to be heated with carbon fiber reinforced epoxy resin-based composite does not expand, in light weight, advantages such as high temperature transmission of electricity sag is little have obtained the favor and the approval of international power transmission and transformation system.
The ordinary steel core aluminum stranded wire adopts and directly connects the locking structure form, and the lead steel core directly links together with clamp and tensioning joint, all adopts mechanical structure form, and western electric conductor directly compresses the conductive aluminum lead with the galvanized steel card.
Because the composite core of carbon fiber composite core wire does not have bending strength, and it is not withstand voltage, can not directly connect with the steel clamp, though useful opening sheet nut is fastenedly connected form at present, but connect pressing section is the line contact, occur phenomenon of rupture especially easily, and dimension precision requirement is high, the The field difficulty.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, develop a kind of large-scale popularization application and lay the foundation, be applicable to a kind of carbon fiber composite core conductor joint of the jointing of carbon fiber composite core wire for carbon fiber composite core wire.
Purpose of the present invention can realize by following technical measures:
A kind of carbon fiber composite core conductor joint, in its terminal is, outer double-layer structure, layer structure is made up of the line ball cover of tubular and the conduction connector that is connected and fixed in the outside of line ball cover, inner chamber at the line ball cover is provided with by the tension force head, tensioning sleeve, interior jacking nut, the combined type endothecium structure that inner cone is formed, one end of tensioning sleeve is a cone-shaped cavity, the tapering of the inner cone outside of institute's suit is consistent in the tapering of its cone-shaped cavity inner chamber and its cone-shaped cavity, the inner chamber of the tensioning sleeve other end is provided with internal thread, the external screw thread of its internal thread and tension force head and interior jacking nut is complementary, the central through hole that installs carbon fiber complex core is arranged on the inner cone, between line ball cover and tensioning sleeve, the ring cavity that installs aluminium stranded conductor is arranged, roof pressure inner cone boss is arranged on the interior jacking nut between interior jacking nut and the inner cone, the joint of both mutual interlocks is arranged between interior jacking nut and tension force head.
Purpose of the present invention can realize by following technical measures:
Inner cone of the present invention is combined by 3-6 piece conelet piece, the inner surface tapering of the cone cavity of the male cone (strobilus masculinus) of inner cone and tensioning sleeve is in full accord, inner cone installs the internal diameter of central through hole of carbon fiber complex core than the little 0.2-2mm of carbon fiber complex core external diameter of carbon fiber composite core wire, mutual click joint between interior jacking nut and the tension force head is interior hexagonal and the outer-hexagonal that is complementary, and there is the hole that is connected with tension mechanism on the outside stringing iron tower tension force head outer end.
Its outer field conduction connector of the present invention and line ball cover be connected to fixedlying connected of the Integratively formed body of aluminium alloy compression casting, the conduction cylindrical shell of the line ball cover of tubular is the mounting hole that an end has the tension force head, the circular cylinder body that one end opens wide, the sectional area of circular cylinder body endoporus is slightly larger than the sectional area and the lead aluminium stranded conductor conductive area sum of tensioning sleeve cylindrical, and the sectional area of ring cavity that installs aluminium stranded conductor is greater than 1.5 times of lead aluminium stranded conductor conductive area.
Operation principle when architectural feature of the present invention and use is: it is double-layer structure in outer, endothecium structure is the tensioning sleeve assembly, is used to clamp the carbon fiber complex core of carbon fiber composite core wire, and layer structure is a conductive contact, be used to clamp the conductive aluminum lead of carbon fiber composite core wire
Endothecium structure is an assembly, material is a stainless steel, or plate, ooze, scribble the metal material of erosion shield, one end of tensioning sleeve is a cone-shaped cavity, its inner chamber tapering is consistent with the outside tapering of inner cone, the tensioning sleeve other end is the cylindrical thread cavity, and its screw thread specification is consistent with tension force head thread and interior jacking nut screw thread specification.Inner cone is combined by 3-6 piece conelet piece, the inner surface tapering is in full accord in the inner cone male cone (strobilus masculinus) after combining and the cone cavity of tensioning sleeve, the inner cone inner chamber is a cylindrical cavity, and internal diameter is than the little 0.2-2mm of carbon fiber complex core external diameter of carbon fiber composite core wire; The external screw thread of interior jacking nut is consistent with tensioning sleeve other end cylindrical cavity internal thread, and the one end is slightly little, is used to compress the inner cone end face, and the other end is interior hexagonal, is used to tighten fixedly inner cone; The tension force head is for to hold cylindrical thread body with holes one by one, and its external screw thread is consistent with tensioning sleeve cylindrical cavity internal thread, and its hole is used to connect the tension mechanism on the stringing iron tower.
Elder generation is with the aluminum conductor strip off of carbon fiber composite core wire during use, composite core in the middle of exposing, composite core is pierced into tensioning sleeve inner cone end, pass from another cylindrical tube end, inner cone is installed in the carbon fiber complex core outside, pull back composite core to tensioning sleeve cone cavity together with inner cone, jacking nut in installing, hold out against fixedly inner cone from tensioning sleeve inside, with the flat tensioning sleeve outside that is attached to of lead aluminium stranded conductor,, inject the tension force head from outer conductive contact end and tighten fixing together with the outer joint of the whole threading of the tensioning sleeve that combines, with outside fastening the compressing of conductive contact, guarantee that outer conductive contact well contacts with the lead aluminium stranded conductor with hold-down mechanism.
Advantage of the present invention is: when joint connects carbon fiber composite core wire, and processing ease, the reliability height does not get loose, and does not damage carbon fiber complex core, and can reuse.
Description of drawings
Carbon fiber composite wood core conductor joint of the present invention be used in combination profile as shown in Figure 1, the inner cone structure is as shown in Figure 2.
Among the figure: 1-tension force head, 2-line ball cover, 3-tensioning sleeve, 4-interior jacking nut, 5-inner cone, 6-carbon fiber complex core, 7-aluminium stranded conductor, 8-conduction connector, 9-asperities, 10-inner cone combination block, 1,11-inner cone combination block, 2,12-inner cone combination block 3.
Embodiment
A kind of carbon fiber composite core conductor joint, in its terminal is, outer double-layer structure, layer structure is made up of the line ball cover 2 of tubular and the conduction connector 8 that is connected and fixed in the outside of line ball cover 2, inner chamber at line ball cover 2 is provided with by tension force head 1, tensioning sleeve 3, interior jacking nut 4, the combined type endothecium structure that inner cone 5 is formed, one end of tensioning sleeve 3 is a cone-shaped cavity, the tapering of inner cone 5 outsides of institute's suit is consistent in the tapering of its cone-shaped cavity inner chamber and its cone-shaped cavity, the inner chamber of tensioning sleeve 3 other ends is provided with internal thread, the external screw thread of its internal thread and tension force head 1 and interior jacking nut 4 is complementary, the central through hole that installs carbon fiber complex core 6 is arranged on the inner cone 5, between line ball cover 2 and tensioning sleeve 3, the ring cavity that installs aluminium stranded conductor 7 is arranged, roof pressure inner cone 5 boss are arranged on the interior jacking nut 4 between interior jacking nut 4 and the inner cone 5, the joint of both mutual interlocks is arranged between interior jacking nut 4 and tension force head 1.
Its inner cone 5 is combined by 3-6 piece conelet piece, the inner surface tapering of the cone cavity of the male cone (strobilus masculinus) of inner cone 5 and tensioning sleeve 3 is in full accord, inner cone 5 installs the internal diameter of central through hole of carbon fiber complex core 6 than the little 0.2-2mm of carbon fiber complex core external diameter of carbon fiber composite core wire, mutual click joint between interior jacking nut 4 and the tension force head 1 is interior hexagonal and the outer-hexagonal that is complementary, and there is the hole that is connected with tension mechanism on the outside stringing iron tower tension force head 1 outer end.
Its outer field conduction connector 8 and line ball cover 2 be connected to fixedlying connected of the Integratively formed body of aluminium alloy compression casting, the conduction cylindrical shell of the line ball cover 2 of tubular is the mounting hole that an end has tension force head 1, the circular cylinder body that one end opens wide, the sectional area of circular cylinder body endoporus is slightly larger than the sectional area and the lead aluminium stranded conductor 7 conductive area sums of tensioning sleeve 3 cylindricals, and the sectional area of ring cavity that installs aluminium stranded conductor 7 is greater than 1.5 times of lead aluminium stranded conductor 7 conductive areas.
Embodiment one
The carbon fiber composite core wire core material is a carbon fibre composite, diameter 10mm, wire diameter 30mm, soft aluminium material.
Processing is fit to the joint of this lead, physical dimension is as follows: the length 400mm of tensioning sleeve 3, external diameter 40mm, internal diameter 20mm, threaded portion length 200mm, according to jacking nut 4 and tension force head 1 in the tensioning sleeve 3 screw thread formulated, inner cone cavity length 200mm, inner cone external diameter 20mm, inner cone internal diameter 9.5mm, inner cone has three compositions, and above material material is No. 45 zinc-plated processing of Fine Steel Casting iron; According to conductor structure size and tensioning sleeve 3 physical dimensions, design conductive contact internal diameter 50mm, conductive contact external diameter 70mm, length 500mm, material is a high strength alumin ium alloy.
During use, elder generation is with the aluminum conductor strip off of carbon fiber composite core wire, expose mid diameter 10mm composite core, composite core is pierced into tensioning sleeve 3 inner cone ends, pass from another cylindrical tube end, three inner cones are installed in 10mm carbon fiber complex core outside, together with the inner cone 5 cone cavity of composite core of pulling back to tensioning sleeve 3, jacking nut 4 in installing, hold out against fixedly inner cone 5 from tensioning sleeve 3 inside, with flat tensioning sleeve 3 outsides that are attached to of lead aluminium stranded conductor, together with tensioning sleeve 3 whole the threadings in the outer joint that combine, inject tension force head 1 and tighten fixingly from skin conduction connector 8 ends, will conduct electricity fastening the compressing in connector 8 outsides with hydraulic tongs.So far carbon fiber composite core conductor joint installs.
Pulling experiment shows that this joint can bear 12 tons of pull-off forces
Embodiment two
The carbon fiber composite core wire core material is a carbon fibre composite, circle, diameter 10mm, wire diameter 40mm, soft aluminium material.
Processing is fit to the joint of this lead, physical dimension is as follows: tensioning sleeve length 400mm, external diameter 40mm, internal diameter 20mm, threaded portion length 200mm, according to jacking nut and tension force head in the tensioning sleeve screw thread formulated, inner cone cavity length 200mm, inner cone external diameter 20mm, inner cone internal diameter 9mm, inner cone has six compositions, and above material material is the processing of aluminizing of No. 35 Fine Steel Casting irons; According to conductor structure size and tensioning sleeve physical dimension, design conductive contact internal diameter 58mm, conductive contact external diameter 80mm, length 500mm, material is a high strength alumin ium alloy.
During use, according to the method step erection joint of embodiment one.
Pulling experiment shows that this joint can bear 13 tons of pull-off forces
Embodiment three
The carbon fiber composite core wire core material is a carbon fibre composite, circle, diameter 15mm, wire diameter 50mm, soft aluminium material.
Processing is fit to the joint of this lead, physical dimension is as follows: tensioning sleeve length 500mm, external diameter 50mm, internal diameter 25mm, threaded portion length 200mm, according to jacking nut and tension force head in the tensioning sleeve screw thread formulated, inner cone cavity length 300mm, inner cone external diameter 25mm, inner cone internal diameter 13mm, inner cone has four compositions, and above material material is high chromium high strength stainless steel; According to conductor structure size and tensioning sleeve physical dimension, design conductive contact internal diameter 75mm, conductive contact external diameter 100mm, length 600mm, material is a high strength alumin ium alloy.
During use, according to the method step erection joint of embodiment one.
Pulling experiment shows that this joint can bear 30 tons of pull-off forces.
Claims (2)
1. carbon fiber composite core conductor joint, it is characterized in that: in terminal is, outer double-layer structure, layer structure is made up of the line ball cover (2) of tubular and the conduction connector (8) that is connected and fixed in the outside of line ball cover (2), inner chamber at line ball cover (2) is provided with by tension force head (1), tensioning sleeve (3), interior jacking nut (4), the combined type endothecium structure that inner cone (5) is formed, one end of tensioning sleeve (3) is a cone-shaped cavity, the outside tapering of the inner cone (5) of institute's suit is consistent in the tapering of its cone-shaped cavity inner chamber and its cone-shaped cavity, the inner chamber of tensioning sleeve (3) other end is provided with internal thread, the external screw thread of its internal thread and tension force head (1) and interior jacking nut (4) is complementary, inner cone has the central through hole that installs carbon fiber complex core on (5), between line ball cover (2) and tensioning sleeve (3), the ring cavity that installs aluminium stranded conductor is arranged, roof pressure inner cone (5) boss is arranged on the interior jacking nut (4) between interior jacking nut (4) and the inner cone (5), the joint of both mutual interlocks is arranged between interior jacking nut (4) and tension force head (1).
2. a kind of carbon fiber composite core conductor joint according to claim 1, it is characterized in that: inner cone (5) is combined by 3-6 piece conelet piece, the inner surface tapering of the cone cavity of the male cone (strobilus masculinus) of inner cone (5) and tensioning sleeve (3) is in full accord, inner cone (5) installs the internal diameter of central through hole of carbon fiber complex core than the little 0.2-2mm of carbon fiber complex core external diameter of carbon fiber composite core wire, mutual click joint between interior jacking nut (4) and the tension force head (1) is interior hexagonal and the outer-hexagonal that is complementary, and there is the hole that is connected with tension mechanism on the outside stringing iron tower tension force head (1) outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100794142A CN101369687B (en) | 2008-09-19 | 2008-09-19 | Carbon fiber composite core conductor joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100794142A CN101369687B (en) | 2008-09-19 | 2008-09-19 | Carbon fiber composite core conductor joint |
Publications (2)
| Publication Number | Publication Date |
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| CN101369687A CN101369687A (en) | 2009-02-18 |
| CN101369687B true CN101369687B (en) | 2010-09-29 |
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| CN2008100794142A Active CN101369687B (en) | 2008-09-19 | 2008-09-19 | Carbon fiber composite core conductor joint |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916922A (en) * | 2010-08-12 | 2010-12-15 | 江苏宇飞电力科技有限公司 | Twisted carbon fibre composite core lead splicing sleeve |
| CN104362567B (en) * | 2014-11-21 | 2017-04-12 | 马丁·王 | Connection hardware assembly for composite material wire core high-voltage aluminum stranded wire and connection method |
| CN104993428A (en) * | 2015-06-16 | 2015-10-21 | 国家电网公司 | Carbon fiber composite core lead traction wire clamp and traction method |
| CN105048127A (en) * | 2015-06-16 | 2015-11-11 | 国家电网公司 | Aluminum composite core conductor connecting wire clamp and wiring method |
| CN107952877A (en) * | 2017-10-19 | 2018-04-24 | 宁波涵盛智能科技有限公司 | A kind of continuous stamping die and process for stamping of optical fiber crimping set |
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| CN101369687A (en) | 2009-02-18 |
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| ASS | Succession or assignment of patent right |
Owner name: NORTH CHINA POWER GRID CO., LTD. Free format text: FORMER OWNER: SONG FURU Effective date: 20090619 |
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Effective date of registration: 20090619 Address after: Zip code, 1 South Lane, Xicheng District, Fuxing gate, Beijing, zip code: 100045 Applicant after: North China Power Grid Co., Ltd. Co-applicant after: Shandong University Co-applicant after: Hebei Silicon Valley chemical Co., Ltd. Co-applicant after: North China Electrical Power Research Institute LLC Address before: Dongguan County, Yongnian County, Hebei Province, Guangdong Province, China Code: 057151 Applicant before: Song Furu |
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