CN101145413A - Corrosion-proof vibration-proof wire - Google Patents
Corrosion-proof vibration-proof wire Download PDFInfo
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- CN101145413A CN101145413A CNA2006100415429A CN200610041542A CN101145413A CN 101145413 A CN101145413 A CN 101145413A CN A2006100415429 A CNA2006100415429 A CN A2006100415429A CN 200610041542 A CN200610041542 A CN 200610041542A CN 101145413 A CN101145413 A CN 101145413A
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Abstract
The invention relates to an improvement of anti-corrosion and anti-vibration overhead power transmission cables for overhead power transmission lines and is characterized in that the reinforced inner core of the twisted cable is a fiber resin-molded elongated body and has a 0.5-8 mm distance to the innermost conductor of the twisted cable. The inventive wire has the advantages of self-damping vibration protection function, reduced weight of the reinforced core molded from resin mixed with carbon fiber and/or basalt fiber (50-70 percent of the steel-core anti-corrosion and anti-vibration cable core), increased tensile strength (up to 2000-6000MPa), maximum applied stress up to 60 percent of breaking strength, reduced base number or altitude of towers, larger construction span, large current capacity (about doubled), reduced construction cost (by 10-20 percent), and increased service life (by 20-30 years).
Description
Technical field:
The invention relates to the improvement of overhead transmission line with corrosion-resistant vibrationproof overhead power transmission conducting wire.
Background technology:
Overhead power transmission conducting wire, for effectively guaranteeing high tensile strength, and excellent conducting performance, adopt galvanized steel wire (as Chinese patent 93208954.2 corrosion-resistant steel core twisted wire transmission pressures) or aluminum-cladding stranded wire do to strengthen inner core usually, the outer stranded electric conductor such as aluminum or aluminum alloy that has.This structure lead lays long-term use built on stilts, and it is strengthened inner core and can be subjected to moisture and corrosive gas etc. and invade corrosion, and aeolian vibration produces resonance and damage, and produces broken string, electric pole when serious, tower collapses or fracture accident.Prior art has to be taked respectively to coat anticorrosion grease between steel core wire and aluminium conductor twisted wire, stopping rainwater and moisture and corrosive gas corrosion steel core, and take on lead to hang stockbridge damper or and protect lines, alleviate lead self-excited vibration.But along with time lengthening, the aging of grease can be taken place and lost efficacy; Hang stockbridge damper or and protect lines, can increase the lead deadweight equally, increase sag and construction of line cost.
Chinese patent 92221578.2 discloses a kind of corrosion-proof vibration-proof wire, its structure is: at lead core steel strand wire with twist between the aluminium stranded conductor of steel strand wire outsides, clad seamless and a aluminium lamination that surfaces externally and internally is smooth, and make and have one between this aluminium lamination inner surface and the steel strand wire external diameter less than 10 millimeters gaps.Stop the corrosion of rain and dew or etchant gas with this seamless aluminium layer to inner steel core wire, gap between aluminium lamination inner surface and steel strand wire external diameter makes that in the wind vibration, aluminium lamination and steel strand wire are because of mutual impact absorption energy simultaneously, play the weakening effect, make lead have anti-corrosion and anti-vibration functions simultaneously.This corrosion-proof vibration-proof wire, the right steel core that adopts of carrying on as before is strengthened, so weight is still bigger, and it is also still bigger to set up sag, still can not be used for big span and set up; Secondly, steel core is shorter useful life, generally has only about 30 years; Besides, this lead only is to solve corrosion-proof vibration-proof, is subjected to the steel core thermal expansion influence, still equally with existing lead exists operating temperature low, generally has only about 70 ℃, the highlyest is no more than 100 ℃, and the lead transmission capacity is still not high; In addition, the reinforcement steel core is an electric conductor, not only produces eddy current, the loss electric energy, and also electromagnetic radiation is big, and the feature of environmental protection is poor; Therefore still having is worth improving.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, provide a kind of in light weight, intensity is high, temperature tolerance good, the corrosion-proof vibration-proof wire of long service life.
The object of the invention realizes, the main improvement is to adopt inorfil in light weight, that tensile strength is high, temperature tolerance is good, make elongated rods or pipe by the resin solidification typing, strengthen inner core as lead, replace that Heavy Weight, tensile strength are low relatively, temperature tolerance relative mistake, not corrosion resistant various steel cores, and make strengthening core and internal layer stranded conductor leave the gap, realize the object of the invention.Specifically, corrosion-proof vibration-proof wire of the present invention comprises and strengthens inner core and peripheral stranded electric conductor, it is characterized in that said reinforcement inner core is a fibre resin typing slender bodies, has the gap of 0.5-8mm between said reinforcement inner core and the stranded electric conductor of innermost layer.
Fibre resin forming body of the present invention, for including carbon fiber and/or basalt fibre at least, and through the slender bodies of resin (for example epoxy resin) curing molding, for example rod, pipe.Its pars fibrosa, can be full carbon fiber, full basalt fibre, the carbon fiber of mixing ratio and composite fibre, the 20-80vt% carbon fiber of basalt fibre arbitrarily as required: the composite fibre of 80-20vt% glass fibre, 30-70vt% basalt fibre: the composite fibre of 70-30vt% glass fibre be no less than the composite fibre of carbon fiber and basalt fibre and the glass fibre of 20-80vt%.The carbon fiber characteristics are: in light weight, high temperature resistant, linear expansion is little, but price is higher; The basalt fibre characteristics are: intensity is bigger, and temperature resistant range is wide, and-250-+2000 ℃, in light weight, 2.7-2.8g/cm
3Similar with aluminium, good with the environment compatibility, ageing resistance is strong, acid and alkali-resistance, and the chemicals-resistant corrosion, price is low, have only about 1/30 of charcoal fiber, but linear expansion is bigger.Better adopt carbon fiber and basalt fibre to mix among the present invention and use, to reach both performance complements, make the linear expansion of gained mixing strengthening core littler, intensity is higher, and can reduce cost, and combination property is better like this.Wherein the made from carbon fiber and basalt fiber volumetric mixture ratio is preferably 10-90%/90-10%, and more excellent volume ratio is 40-60%/60-40%.
Resin typing strengthening core cross section structure can be stranded real core, hollow pipe, helix tube, I-shaped core; And their amalgamation combination, center I-shaped core for example, outer inclusion has some watts of shapes.A kind of being preferably of the present invention adopted the amalgamation cored structure, and the amalgamation core can effectively improve the bending property of strengthening core, can also improve intensity, can increase diameter for the superhigh pressure lead, for reducing corona, reduce ambient noise, electromagnetic wave environmental interference and radio interference, improve useful life.The strengthening core diameter according to the standard wire lattice, set up factor such as span and calculate and determine.
Said stranded electric conductor, its effect is with the stranded electric conductor of transmission pressure is identical usually, can for example can be the common electric conductor of copper, soft aluminium or duralumin, aldray, heat-resisting aluminium alloy, high-strength aluminum alloy, rare earth aluminum steel, bronze, tin-coated copper, copper cover aluminum, aluminium Baogang or the like for common lead electric conductor; The uniconductor cross sectional shape can be circular, trapezoidal, herringbone, Z-shaped, S shape, arc or the like, is not particularly limited.But the single electric conductor (cross section) of the present invention preferentially adopts non-circular abnormally-structuredly, helps increasing the current-carrying part area, improves the electrical transmission ability; Secondly, the profiled-cross-section lay configuration is stable; Besides, conductor compacting coefficient height, electric potential gradient is even, and wind load is little, and the self-damping performance is good.
Resin of the present invention only rises fiber is bondd, makes its moulding, its consumption is the 2-10% of fiber volume, can adopt to soak molding mode or coating moulding, and heating makes its solidifying and setting.
In addition, all right filling ointment or grease in strengthening core of the present invention and the internal layer electric conductor gap are to play the vibrationproof cushioning effect, reduce vibration noise under the wind, and filling ointment or grease, the raising thermolysis also had, good heat radiation can also improve the ampacity of lead, increases through-put power; And can also polyurethane coating be arranged in stranded electric conductor outermost surface cladding (for example spray, flood), and can improve the radiating effect of lead equally, realize improving ampacity and through-put power effect.
Corrosion-proof vibration-proof wire of the present invention, owing to adopt fibre resin typing slender bodies to do to strengthen inner core, and make the gap of strengthening having between inner core and the stranded electric conductor of innermost layer 0.5-8mm.Than the prior art corrosion-proof vibration-proof wire, not only have in light weight, can weight reduction 50-70% than steel core, also significantly improved the tensile strength of lead, especially adopt the composite fibre core of carbon fiber and basalt fibre, its tensile strength can reach 2000-6000MPa, but also can reduce the shaft tower radix or reduce the shaft tower height, and can strengthen span, reduce and set up cost.Also reduce wire diameter simultaneously, the lead windward side is reduced, reduced lead blast load, also can improve the vibrationproof ability of lead.The fibre resin strengthening core, thermal expansion is little, has only about 1/8 of steel core, helps reducing built on stiltsly laying sag, can reduce and set up tower bar cost, and suitable large span sets up, and reduces and sets up investment, saves floor space, has also improved line security.The fibre resin strengthening core, temperature tolerance is good, can improve the lead operating temperature, can long-time running at 100-180 ℃, and can bear 215 ℃ of high temperature, thereby strengthen the ampacity of lead, the circuit transmission capacity can be brought up to about 2 times of same specification lead.The fibre resin strengthening core, this is as non-conductor and nonmagnetic substance, not only can not form primary cell and produces electrochemical corrosion, has reduced the fatigue broken string of lead, the highest applied stress can reach 60% of breakdown strength, prolonged the transformation cycle useful life that also helps extension lead, and can reduce line loss, can fall and decrease about 6.3%, and have low electromagnetic, the feature of environmental protection is good, can reduce under the circuit human body electromagnetic radiation is damaged.Omit seamless aluminium layer, produce easyly, can produce as plain conductor.The self-damping vibrationproof can reduce circuit stockbridge damper quantity or other vibration protections, saves track investment.Lead of the present invention has self-damping vibrationproof characteristic, and can improve about 2 times of ampacitys, reduces and sets up cost 10-20%, improves 20-30 in useful life.
Below in conjunction with several embodiments, further specify the present invention, but embodiment only is for the present invention is described, and should not be construed as concrete qualification of the present invention.
Description of drawings
Fig. 1 is the first embodiment of the invention structural representation.
Fig. 2 is the second embodiment of the invention structural representation.
Fig. 3 is the third embodiment of the invention structural representation.
Fig. 4 is the fourth embodiment of the invention structural representation.
Fig. 5 is a kind of strengthening core structural representation of the present invention.
Fig. 6 is the another kind of strengthening core structural representation of the present invention.
Embodiment
Embodiment 1: referring to Fig. 1, corrosion-proof vibration-proof wire of the present invention is made inner core by fibre resin rod 2, and the outer stranded trapezoidal aluminium conductor 1 that has has the 1mm gap between innermost layer conductor and 1 strengthening core.The fibre resin rod is that the 60vt% carbon fiber mixes with the 35vt% glass fibre, with the typing of 5vt% epoxy resin cure.The tensile strength of gained lead reaches 2500Mpa, modulus of elasticity 113Gpa.
Embodiment 2: referring to Fig. 2, as embodiment 1, strengthen inner core and combine (gapped) between the two by fibre resin pipe 3, center fiber resin rodlet 4, between innermost layer electric conductor and fibre resin pipe the 5mm gap is arranged.Wherein fibre resin rod 4 is 60vt% basalt fibre and 35% glass fibre, and with the typing of 5vt% epoxy resin cure, fibre resin pipe 3 is that 60vt% carbon fiber and 35vt% glass fibre are finalized the design with the 5vt% epoxy resin cure.Gained lead tensile strength reaches 3050Mpa, modulus of elasticity 110Gpa.
Embodiment 3: referring to Fig. 3, as embodiment 2, be coated with polyurethane heat dissipating layer 5 at the lead outermost layer, between innermost layer conductor and fibre resin pipe the 3mm gap arranged.Wherein fibre resin rod 4 is 95vt% carbon fiber and the typing of 5vt% epoxy resin cure, and fibre resin pipe 3 is the 95vt% basalt fibre, finalizes the design with the 5vt% epoxy resin cure.Gained lead tensile strength reaches 5800Mpa, modulus of elasticity 98Gpa.1mm
Embodiment 4: referring to Fig. 4, as described above, innermost layer conductor and 2 of strengthening cores of fibre resin rod have the 7mm gap, are filled with non-conductive epoxy resin 7 in the gap, and stranded uniconductor is a round wire.The fibre resin rod is mixed by 40vt% carbon fiber, 39vt% basalt fibre, 15vt% glass fibre, with the typing of 6vt% epoxy resin cure.Gained lead tensile strength reaches 2800Mpa, modulus of elasticity 98Gpa.
Embodiment 5: as described above, wherein strengthen inner core by full charcoal fiber or full basalt fibre or both composite fibre, use the resin solidification moulding, hard-pressed bale glass fiber resin pipe.
Embodiment 6: referring to Fig. 5, fibre resin strengthening core 2 has numerous fibre resins to solidify circular spillikin 8, stranded forming.
Embodiment 7: referring to Fig. 6, fibre resin core 2 is the fibre resin rod 10 of " worker " font by the center, and two peripheral fibre resin watt shapes 9 combine.
In addition, the uniconductor cross section can also be herringbone, Z-shaped, S shape, arc or the like; The electric conductor material can be copper, soft aluminium or duralumin, aldray, heat-resisting aluminium alloy, bronze, tin-coated copper, copper cover aluminum, aluminium Baogang; Fibre resin composite core cross section structure can be twisted cores, hollow tubulose, helix, I-shaped core; And their combinations; Can also leave the gap between the stranded electric conductor of each layer.
Claims (10)
1. a corrosion-proof vibration-proof wire comprises and strengthens inner core and peripheral stranded electric conductor, it is characterized in that said reinforcement inner core is a fibre resin typing slender bodies, has the gap of 0.5-8mm between said reinforcement inner core and the stranded electric conductor of innermost layer.
2. according to the described corrosion-proof vibration-proof wire of claim 1, it is characterized in that said fibre resin typing slender bodies is for having carbon fiber and/or basalt fibre composition at least.
3. according to claim 1 or 2 described corrosion-proof vibration-proof wires, it is characterized in that said carbon fiber mixes use with basalt fibre.
4. according to the described corrosion-proof vibration-proof wire of claim 3, it is characterized in that carbon fiber and basalt fibre volumetric mixture ratio are 10-90%/90-10%.
5. according to the described corrosion-proof vibration-proof wire of claim 4, it is characterized in that carbon fiber and basalt fibre volumetric mixture ratio are 40-60%/60-40%.
6. according to claim 1 or 2 described corrosion-proof vibration-proof wires, it is characterized in that strengthening being filled with ointment or grease in inner core and the stranded electric conductor innermost layer gap.
7. according to claim 1 or 2 described corrosion-proof vibration-proof wires, it is characterized in that stranded electric conductor outermost surface has polyurethane coating.
8. according to claim 1 or 2 described corrosion-proof vibration-proof wires, it is characterized in that fibre resin typing slender bodies is the amalgamation core of center I-shaped core, outsourcing assembled casing.
9. according to claim 1 or 2 described corrosion-proof vibration-proof wires, the uniconductor that it is characterized in that stranded electric conductor is non-round shaped body.
10. according to claim 1 or 2 described corrosion-proof vibration-proof wires, it is characterized in that between stranded electric conductor layer gapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100415429A CN101145413A (en) | 2006-09-13 | 2006-09-13 | Corrosion-proof vibration-proof wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006100415429A CN101145413A (en) | 2006-09-13 | 2006-09-13 | Corrosion-proof vibration-proof wire |
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| CN101145413A true CN101145413A (en) | 2008-03-19 |
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| CNA2006100415429A Pending CN101145413A (en) | 2006-09-13 | 2006-09-13 | Corrosion-proof vibration-proof wire |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157238A (en) * | 2011-03-31 | 2011-08-17 | 沈阳电业局电缆厂 | Woven fiber core overhead wire |
| CN103500610A (en) * | 2013-10-18 | 2014-01-08 | 上海大学 | Fiber composite rope core for overhead conducting wire |
| CN105632616A (en) * | 2014-11-04 | 2016-06-01 | 江苏宝安电缆有限公司 | Self-damping conductor |
| CN105692389A (en) * | 2016-04-12 | 2016-06-22 | 日立电梯（中国）有限公司 | Elevator hoist rope and elevator |
| CN109859894A (en) * | 2018-12-27 | 2019-06-07 | 广西纵览线缆集团有限公司 | Overhead transmission line high-strength aluminum alloy conducting wire |
| CN111091925A (en) * | 2019-12-30 | 2020-05-01 | 宁波日月电线电缆制造有限公司 | Ultralow-noise cable and preparation method thereof |
| CN114664482A (en) * | 2022-03-30 | 2022-06-24 | 宁波宁港线缆制造有限公司 | High-flexibility and distortion-resistant cable material and preparation method thereof |
-
2006
- 2006-09-13 CN CNA2006100415429A patent/CN101145413A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157238A (en) * | 2011-03-31 | 2011-08-17 | 沈阳电业局电缆厂 | Woven fiber core overhead wire |
| CN103500610A (en) * | 2013-10-18 | 2014-01-08 | 上海大学 | Fiber composite rope core for overhead conducting wire |
| CN105632616A (en) * | 2014-11-04 | 2016-06-01 | 江苏宝安电缆有限公司 | Self-damping conductor |
| CN105692389A (en) * | 2016-04-12 | 2016-06-22 | 日立电梯（中国）有限公司 | Elevator hoist rope and elevator |
| CN109859894A (en) * | 2018-12-27 | 2019-06-07 | 广西纵览线缆集团有限公司 | Overhead transmission line high-strength aluminum alloy conducting wire |
| CN112037966A (en) * | 2018-12-27 | 2020-12-04 | 广西纵览线缆集团有限公司 | High-strength aluminum alloy conductor |
| CN112037991A (en) * | 2018-12-27 | 2020-12-04 | 广西纵览线缆集团有限公司 | Long-distance aluminum alloy power transmission conductor |
| CN112037966B (en) * | 2018-12-27 | 2021-10-08 | 广西纵览线缆集团有限公司 | High-strength aluminum alloy conductor |
| CN112037991B (en) * | 2018-12-27 | 2021-10-08 | 广西纵览线缆集团有限公司 | Long-distance aluminum alloy power transmission conductor |
| CN111091925A (en) * | 2019-12-30 | 2020-05-01 | 宁波日月电线电缆制造有限公司 | Ultralow-noise cable and preparation method thereof |
| CN114664482A (en) * | 2022-03-30 | 2022-06-24 | 宁波宁港线缆制造有限公司 | High-flexibility and distortion-resistant cable material and preparation method thereof |
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Owner name: YUANDONG COMPOUND TECHN CO., LTD. Free format text: FORMER OWNER: YUANDONG HOLDING GROUP CO.LTD;YUANDONG COMPOSITE TECHNOLOGY CO.LTD Effective date: 20110811 Free format text: FORMER OWNER: YUANDONG COMPOUND TECHN CO., LTD. |
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Effective date of registration: 20110811 Address after: Fan Xing Lu Gaocheng Town, Jiangsu city of Yixing Province, No. 200 214257 Applicant after: Yuandong Compound Techn Co., Ltd. Address before: 214257 Jiangsu city of Yixing province Zhenyuan Gaocheng Road No. 6 Applicant before: Yuandong Holding Group Co.Ltd Co-applicant before: Yuandong Compound Techn Co., Ltd. |
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Application publication date: 20080319 |