CN105761783A - Vibration reduction wire formed by combining aluminum clad steel cores and aluminum-alloy twisted wires - Google Patents
Vibration reduction wire formed by combining aluminum clad steel cores and aluminum-alloy twisted wires Download PDFInfo
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- CN105761783A CN105761783A CN201610304903.8A CN201610304903A CN105761783A CN 105761783 A CN105761783 A CN 105761783A CN 201610304903 A CN201610304903 A CN 201610304903A CN 105761783 A CN105761783 A CN 105761783A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/02—Single bars, rods, wires, or strips
- H01B5/04—Single bars, rods, wires, or strips wound or coiled
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/002—Auxiliary arrangements
- H01B5/006—Auxiliary arrangements for protection against vibrations
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Abstract
The invention provides a vibration reduction wire formed by combining aluminum clad steel cores and aluminum-alloy twisted wires.Natural vibration frequencies of all layers of the aluminum alloy wires and aluminum clad steel cores are different and are mutually interfered, and therefore aeolian vibration energy is automatically consumed, and the vibration reduction effect is achieved.The vibration reduction wire comprises an inner core conductor and outer layer conductors, the inner core conductor is formed by twisting multiple aluminum clad steel wires, the outer layer conductors comprise at least two layers, each layer of the outer layer conductors is formed by combining multiple sections of aluminum alloy wires with the same radian, the outer layer conductor on the innermost layer forms an enclosed first circular ring surface structure in a combined mode, each layer of the outer layer conductors forms the corresponding enclosed circular ring surface structure in a combined mode, the outer layer conductors of the relative-inner layer are arranged in a circular inner cavity formed by the enclosed ring surface structure composed of the outer layer conductors of the adjacent relative-outer layer, and the inner diameter of the enclosed ring surface structure composed of the outer layer conductors of the adjacent relative-outer layer is large than the outer diameter of the enclosed ring surface structure composed of the outer layer conductors of the relative-inner layer.
Description
Technical field
The present invention relates to the technical field of overhead transmission line, be specially a kind of aluminum Baogang core and the damping lead of aluminium alloy stranded conductor combination formation.
Background technology
Along with the development of national economy, power transfer capacity and fed distance increase rapidly, Large Copacity, remote transmission line of electricity put into operation successively, power delivery voltage also improves therewith.Wire, as the carrier of transmission line of electricity electrical power, is to ensure that the important component part of safe operation of power system.The vibration problem of overhead transmission line is a major issue in power transmission, existing relate to overhead transmission line, it is substantially round wires regular stranded, self does not have effectiveness in vibration suppression, it is chronically under open field, it is subject to the impact of natural conditions (phoenix, rain, ice and snow, thunder and lightning etc.) and other external conditions, it is easy to various accident occurs.Wherein owing to the accident of conductor vibration initiation is maximum.Under wind action, the wire moment is in vibrational state, the difference according to frequency and amplitude, and the vibration of wire is broadly divided into three kinds: 1, high frequency aeolian vibration a little；2, the secondary span vibration of width in intermediate frequency；3, the waving of the big amplitude of low frequency.These three vibration causes destruction in various degree all can to wire and transmission line of electricity.Wherein, the aeolian vibration of wire is the most frequent, and vibration duration is longer, usually can cause the disconnected stock of fatigue of wire, even break, cause the asymmetric operation in this loop, and stablizing of power system is very disadvantageous by this.
Summary of the invention
For the problems referred to above, the invention provides a kind of aluminum Baogang core and the damping lead of aluminium alloy stranded conductor combination formation, it makes the eigentone of each layer aluminium alloy wire and aluminum Baogang core different and interferes, thus automatically consuming the energy of aeolian vibration, reaches the effect of vibration damping.
nullThe damping lead that a kind of aluminum Baogang core and aluminium alloy stranded conductor combination are formed，Its technical scheme is such that it and includes interior core conductor、Outer contact，It is characterized in that: described interior core conductor is specially the some stranded formation of aluminum clad steel wire，Described outer contact includes at least two-layer，The described outer contact of every layer is formed by the aluminium alloy wire combination that some sections of radians are identical，Closing the first anchor ring structure that the described outer contact combination of innermost layer is formed，The described outer contact combination of every layer forms each independent closing annuli arrangement，The outer contact of adjacent opposed outer layer is formed closes the outer contact being provided with relative internal layer in the round cavity that annuli arrangement is formed，The outer contact of adjacent opposed outer layer is formed the internal diameter closing annuli arrangement and is formed the external diameter closing annuli arrangement more than the outer contact of relative internal layer，It is provided with described interior core conductor in the round cavity that described closing the first anchor ring structure is formed，The diameter of the equivalent cylindrical anchor ring of described interior core conductor is less than the internal diameter of described closing the first anchor ring structure.
It is further characterized by
Described aluminium alloy wire is specially the aluminium alloy wire that cross section is circular arc type, and the aluminium alloy wire that cross section the is circular arc type combination that some sections of radians are identical forms the outer contact of respective layer；
Described aluminium alloy wire is specially the aluminium alloy wire that cross section is Z-type, the circumferential limit that cross section is the aluminium alloy wire of Z-type is arc-shaped edges, including external arc limit, Inner arc limit, in the middle part of described external arc limit, Inner arc limit, radian intersection connects formation overall structure, the outer end that the Inner arc limit of adjacent position is exposed is close in the inner of exposing on described external arc limit, guaranteeing to form the anchor ring structure closed, the aluminium alloy wire that cross section the is Z-type combination that some sections of radians are identical forms the outer contact of respective layer；
When outer contact is N shell, when N is be more than or equal to 2, it is dM that the outer contact of adjacent opposed outer layer is formed the internal diameter closing annuli arrangement, wherein M value is 3～N, it is D (M-1) that the outer contact of then adjacent relative internal layer is formed the external diameter closing annuli arrangement, D (M-1): dM=(0.8～0.95), namely the gap between the adjacent outer contact of the combined formation of aluminium alloy wire is that the outer contact of the adjacent opposed outer layer of 0.05 to 0.2 times is formed the internal diameter closing annuli arrangement, it guarantees still to leave enough gaps between the aluminium alloy wire aluminium alloy outer contact that lower heating phase is adjacent in working order；
The external diameter closing the first anchor ring structure that the described outer contact combination of innermost layer is formed is d1, the diameter of the equivalent cylindrical anchor ring of described interior core conductor is D, D:d1=0.85～0.95 so that interior core conductor, innermost layer outer contact between leave a certain amount of gap；
Some sections of aluminium alloy wire combinations of the described outer contact of same layer are connected with each other by spot welding after forming annulus, it is ensured that integrally-built stable；
Described interior core conductor is the stranded formation of structure according to+6 outer shrouds in 1 center of seven aluminum clad steel wires；
Described interior core conductor is four stranded formation of aluminum clad steel wire.
nullAfter adopting technique scheme，By conventional round superalloy line is made with certain thickness aluminium alloy wire，Each independent closing annuli arrangement is formed owing to the described outer contact of every layer combines，The outer contact of adjacent opposed outer layer is formed closes the outer contact being provided with relative internal layer in the round cavity that annuli arrangement is formed，The outer contact of adjacent opposed outer layer is formed the internal diameter closing annuli arrangement and is formed the external diameter closing annuli arrangement more than the outer contact of relative internal layer，It is provided with described interior core conductor in the round cavity that described closing the first anchor ring structure is formed，The diameter of the equivalent cylindrical anchor ring of described interior core conductor is less than the internal diameter of described closing the first anchor ring structure，Make interior core conductor and innermost layer outer contact inwall between leave gap，Gap is left between adjacent outer contact，Owing to there is gap，Make interior core conductor、Intrinsic frequency of vibration is there is mutually between outer contact，Make wire during aeolian vibration under stress，Owing to the eigentone of each layer aluminium alloy wire and aluminum Baogang core is different and interfere，Can automatically consume the energy of aeolian vibration，Reach the effect of vibration damping.
Accompanying drawing explanation
Fig. 1 is the cross-sectional cut-away structural representation of specific embodiments of the invention one；
Fig. 2 is the cross-sectional cut-away structural representation of specific embodiments of the invention two；
Fig. 3 is the cross-sectional cut-away structural representation of specific embodiments of the invention three；
Fig. 4 is the combinative structure that two end sections are Z-type aluminium alloy wire signal enlarged drawing adjacent in Fig. 3；
In figure, the title corresponding to sequence number is as follows:
Interior core conductor 1, outer contact 2, aluminum clad steel wire 3, aluminium alloy wire 4, close first anchor ring structure the 5, first round cavity 6, equivalence cylindrical anchor ring the 7, first outer contact the 8, second outer contact the 9, the 3rd outer contact 10, external arc limit 11, Inner arc limit 12.
Detailed description of the invention
nullThe damping lead that a kind of aluminum Baogang core and aluminium alloy stranded conductor combination are formed，See Fig. 1～Fig. 4: it includes interior core conductor 1、Outer contact 2，Interior core conductor 1 is specially the some stranded formation of aluminum clad steel wire 3，Outer contact 2 includes at least two-layer，The outer contact of every layer is formed by aluminium alloy wire 4 combination that some sections of radians are identical，Closing the first anchor ring structure 5 that the outer contact combination of innermost layer is formed，The outer contact combination of every layer forms each independent closing annuli arrangement，The outer contact of adjacent opposed outer layer is formed closes the outer contact being provided with relative internal layer in the round cavity that annuli arrangement is formed，The outer contact of adjacent opposed outer layer is formed the internal diameter closing annuli arrangement and is formed the external diameter closing annuli arrangement more than the outer contact of relative internal layer，Close in the first round cavity 6 that the first anchor ring structure 5 is formed and be provided with interior core conductor 1，The diameter of the equivalent cylindrical anchor ring 7 of interior core conductor 1 is less than the internal diameter closing the first anchor ring structure.
When outer contact is N shell, when N is be more than or equal to 2, it is dM that the outer contact of adjacent opposed outer layer is formed the internal diameter closing annuli arrangement, wherein M value is 3～N, it is D (M-1) that the outer contact of then adjacent relative internal layer is formed the internal diameter closing annuli arrangement, D (M-1): dM=(0.8～0.95), namely aluminium alloy wire 4 is combined the outer contact of the adjacent opposed outer layer that gap is 0.05 to 0.2 times between the adjacent outer contact formed and is formed the internal diameter of closing annuli arrangement, it guarantees still to leave enough gaps between the aluminium alloy wire 4 aluminium alloy outer contact that lower heating phase is adjacent in working order；
The external diameter closing the first anchor ring structure 5 that the outer contact combination of innermost layer is formed is d1, and the diameter of the equivalent cylindrical anchor ring 7 of interior core conductor 1 is D, D:d1=0.85～0.95 so that interior core conductor 1, innermost layer outer contact between leave a certain amount of gap；
Some sections of aluminium alloy wires 4 combination of the outer contact of same layer is connected with each other by spot welding after forming annulus, it is ensured that integrally-built stable.
nullSpecific embodiment one、See Fig. 1: aluminium alloy wire 4 is specially the aluminium alloy wire that cross section is circular arc type，The aluminium alloy wire that cross section the is circular arc type combination that some sections of radians are identical forms the outer contact of respective layer，Outer contact is two-layer，Now N=2，The outer contact of opposed outer layer is specially the second outer contact 9，It is d2 that second outer contact 9 is formed the internal diameter closing annuli arrangement,The outer contact of relative internal layer is the first outer contact 8，It is D1 that first outer contact 8 is formed the external diameter closing annuli arrangement、Internal diameter is d1，Aluminium alloy wire is superalloy material，The continuous operation of aluminium alloy wire 4 allows temperature to be 210 DEG C，D1:d2=0.8，D:d1=0.85，Owing to station temperature is high，Therefore gap is relatively large，First outer contact 8 is formed corresponding closing the first anchor ring structure 5 by the first aluminium alloy wire combination that 16 sections of radians are identical，Second outer contact 9 is formed closing the second anchor ring structure of correspondence by the second aluminium alloy wire combination that 30 two-stage nitration radians are identical；Interior core conductor 1 is specially the stranded formation of structure according to+6 outer shrouds in 1 center of seven aluminum clad steel wires 3, and this structure makes overall structure consolidate, is easily assembled to.
nullSpecific embodiment two、See Fig. 2: aluminium alloy wire 4 is specially the aluminium alloy wire that cross section is circular arc type，The aluminium alloy wire that cross section the is circular arc type combination that some sections of radians are identical forms the outer contact of respective layer，Outer contact is three layers，Now N=3，Include the first outer contact 8、Second outer contact 9、3rd outer contact 10，It is d3 that 3rd outer contact 10 is formed the internal diameter of the 3rd closing annuli arrangement，It is d2 that second outer contact 9 is formed the internal diameter of the second closing annuli arrangement、External diameter is D2，It is d1 that first outer contact 8 is formed the internal diameter of the first closing annuli arrangement、External diameter is D1，Aluminium alloy wire is heat-resisting aluminium alloy material，Its continuous operation allows temperature to be 150 DEG C，D3:d2=D1:d2=0.9.D:d1=0.9，First outer contact 8 is formed corresponding closing the first anchor ring structure 5 by the first aluminium alloy wire combination that 16 sections of radians are identical，Second outer contact 9 is formed closing the second anchor ring structure of correspondence by the second aluminium alloy wire combination that 30 two-stage nitration radians are identical，3rd outer contact 10 is formed closing the second anchor ring structure of correspondence by the 3 Al alloy line combination that 30 two-stage nitration radians are identical，Interior core conductor 1 is specially four aluminum clad steel wires 3 by stranded formation，This structure makes overall structure consolidate、It is easily assembled to.
nullSpecific embodiment three、See Fig. 3、Fig. 4: aluminium alloy wire is specially the aluminium alloy wire that cross section is Z-type，The circumferential limit that cross section is the aluminium alloy wire of Z-type is arc-shaped edges，Including external arc limit 11、Inner arc limit 12，External arc limit 12、In the middle part of Inner arc limit 11, radian intersection connects formation overall structure，The outer end that the Inner arc limit 11 of adjacent position is exposed is close in the inner of exposing on external arc limit 12，Guarantee to form the anchor ring structure closed，The aluminium alloy wire that cross section the is Z-type combination that some sections of radians are identical forms the outer contact of respective layer，Outer contact is two-layer，Now N=2，The outer contact of opposed outer layer is specially the second outer contact 9，It is d2 that second outer contact 9 is formed the internal diameter closing annuli arrangement,The outer contact of relative internal layer is the first outer contact 8，It is D1 that first outer contact 8 is formed the external diameter closing annuli arrangement、Internal diameter is d1，Aluminium alloy wire is common aluminum alloy material，D1:d2=0.95.D:d1=0.95，First outer contact 8 is formed closing the first anchor ring structure 5 of correspondence by the first Z-type aluminium alloy wire combination that section eight radian is identical，Second outer contact 9 is formed corresponding closing the second anchor ring structure by the second Z-type aluminium alloy wire combination that 16 sections of radians are identical；Interior core conductor 1 is specially the stranded formation of structure according to+6 outer shrouds in 1 center of seven aluminum clad steel wires 3, and this structure makes overall structure consolidate, is easily assembled to.
It has the beneficial effect that: the vibration-absorbing mounting hollow wire of this aluminum bag steel core aluminum alloy stranded wire has following several respects advantage:
(1), this wire can automatically consume the energy of aeolian vibration, reach effectiveness in vibration suppression；
(2), the highest applied stress can reach the 60% of breakdown strength, therefore can strengthen line span；
(3), because line span can be strengthened, it is possible to reduce shaft tower radix；
(4), because to reduce shaft tower radix, it is possible to reduce the investment of line construction；
(5), reduce the disconnected stock market affairs of the wire fatigue caused because of aeolian vibration therefore, increase the stability of circuit operation.
Above specific embodiments of the invention are described in detail, but content has been only the preferred embodiment of the invention, it is impossible to be considered the practical range for limiting the invention.All equalizations made according to the invention application range change and improvement etc., all should still belong within the patent covering scope of the present invention.
Claims (8)
- null1. the damping lead that a Zhong Lv Baogang core and aluminium alloy stranded conductor combination are formed，It includes interior core conductor、Outer contact，It is characterized in that: described interior core conductor is specially the some stranded formation of aluminum clad steel wire，Described outer contact includes at least two-layer，The described outer contact of every layer is formed by the aluminium alloy wire combination that some sections of radians are identical，Closing the first anchor ring structure that the described outer contact combination of innermost layer is formed，The described outer contact combination of every layer forms each independent closing annuli arrangement，The outer contact of adjacent opposed outer layer is formed closes the outer contact being provided with relative internal layer in the round cavity that annuli arrangement is formed，The outer contact of adjacent opposed outer layer is formed the internal diameter closing annuli arrangement and is formed the external diameter closing annuli arrangement more than the outer contact of relative internal layer，It is provided with described interior core conductor in the round cavity that described closing the first anchor ring structure is formed，The diameter of the equivalent cylindrical anchor ring of described interior core conductor is less than the internal diameter of described closing the first anchor ring structure.
- 2. the damping lead that a kind of aluminum Baogang core as claimed in claim 1 and aluminium alloy stranded conductor combination are formed, it is characterized in that: described aluminium alloy wire is specially the aluminium alloy wire that cross section is circular arc type, the aluminium alloy wire that cross section the is circular arc type combination that some sections of radians are identical forms the outer contact of respective layer.
- 3. the damping lead that a kind of aluminum Baogang core as claimed in claim 1 and aluminium alloy stranded conductor combination are formed, it is characterized in that: described aluminium alloy wire is specially the aluminium alloy wire that cross section is Z-type, the circumferential limit that cross section is the aluminium alloy wire of Z-type is arc-shaped edges, including external arc limit, Inner arc limit, described external arc limit, in the middle part of Inner arc limit, radian intersection connects formation overall structure, the outer end that the Inner arc limit of adjacent position is exposed is close in the inner of exposing on described external arc limit, guarantee to form the anchor ring structure closed, the aluminium alloy wire that cross section the is Z-type combination that some sections of radians are identical forms the outer contact of respective layer.
- 4. the damping lead that a kind of aluminum Baogang core as claimed in claim 1 and aluminium alloy stranded conductor combination are formed, it is characterized in that: when outer contact is N shell, when N is be more than or equal to 2, it is dM that the outer contact of adjacent opposed outer layer is formed the internal diameter closing annuli arrangement, wherein M value is 3～N, it is D (M-1) that the outer contact of then adjacent relative internal layer is formed the external diameter closing annuli arrangement, D (M-1): dM=(0.8～0.95), namely the gap between the adjacent outer contact of the combined formation of aluminium alloy wire is that the outer contact of the adjacent opposed outer layer of 0.05 to 0.2 times is formed the internal diameter closing annuli arrangement.
- 5. the damping lead that a kind of aluminum Baogang core as claimed in claim 4 and aluminium alloy stranded conductor combination are formed, it is characterized in that: the external diameter closing the first anchor ring structure that the described outer contact combination of innermost layer is formed is d1, the diameter of the equivalent cylindrical anchor ring of described interior core conductor is D, D:d1=0.85～0.95.
- 6. the damping lead that a kind of aluminum Baogang core as claimed in claim 1 and aluminium alloy stranded conductor combination are formed, it is characterised in that: some sections of aluminium alloy wire combinations of the described outer contact of same layer are connected with each other by spot welding after forming annulus.
- 7. the damping lead that a kind of aluminum Baogang core as claimed in claim 1 and aluminium alloy stranded conductor combination are formed, it is characterised in that: described interior core conductor is the stranded formation of structure according to+6 outer shrouds in 1 center of seven aluminum clad steel wires.
- 8. the damping lead that a kind of aluminum Baogang core as claimed in claim 1 and aluminium alloy stranded conductor combination are formed, it is characterised in that: described interior core conductor is four stranded formation of aluminum clad steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304903.8A CN105761783A (en) | 2016-05-10 | 2016-05-10 | Vibration reduction wire formed by combining aluminum clad steel cores and aluminum-alloy twisted wires |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304903.8A CN105761783A (en) | 2016-05-10 | 2016-05-10 | Vibration reduction wire formed by combining aluminum clad steel cores and aluminum-alloy twisted wires |
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| CN105761783A true CN105761783A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610304903.8A Pending CN105761783A (en) | 2016-05-10 | 2016-05-10 | Vibration reduction wire formed by combining aluminum clad steel cores and aluminum-alloy twisted wires |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920578A (en) * | 2019-03-14 | 2019-06-21 | 青海海通电力装备有限公司 | A kind of insulated aerial cable high-strength aluminum alloy cable core |
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| CN2678067Y (en) * | 2003-07-10 | 2005-02-09 | 特变电工股份有限公司 | Self-vibration absorbing insulation aerial cable |
| JP2007277637A (en) * | 2006-04-06 | 2007-10-25 | Tokyo Electric Power Co Inc:The | Aluminum for electric use, method for recycling aluminum wire, and electric wire |
| CN101169989A (en) * | 2007-11-09 | 2008-04-30 | 江苏中天科技股份有限公司 | Loosely wrapped type augmented capacity conductor |
| CN203179601U (en) * | 2013-03-26 | 2013-09-04 | 贵州星天电线电缆有限公司 | Self-damping overhead wire |
| CN204166954U (en) * | 2014-11-04 | 2015-02-18 | 江苏宝安电缆有限公司 | A kind of self damping conductor |
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2016
- 2016-05-10 CN CN201610304903.8A patent/CN105761783A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678067Y (en) * | 2003-07-10 | 2005-02-09 | 特变电工股份有限公司 | Self-vibration absorbing insulation aerial cable |
| JP2007277637A (en) * | 2006-04-06 | 2007-10-25 | Tokyo Electric Power Co Inc:The | Aluminum for electric use, method for recycling aluminum wire, and electric wire |
| CN101169989A (en) * | 2007-11-09 | 2008-04-30 | 江苏中天科技股份有限公司 | Loosely wrapped type augmented capacity conductor |
| CN203179601U (en) * | 2013-03-26 | 2013-09-04 | 贵州星天电线电缆有限公司 | Self-damping overhead wire |
| CN204166954U (en) * | 2014-11-04 | 2015-02-18 | 江苏宝安电缆有限公司 | A kind of self damping conductor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920578A (en) * | 2019-03-14 | 2019-06-21 | 青海海通电力装备有限公司 | A kind of insulated aerial cable high-strength aluminum alloy cable core |
| CN109920578B (en) * | 2019-03-14 | 2020-08-11 | 青海海通电力装备有限公司 | High-strength aluminum alloy cable core for insulated overhead cable |
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Application publication date: 20160713 |