CN106451297B - High-altitude stringing transmission system - Google Patents
High-altitude stringing transmission system Download PDFInfo
- Publication number
- CN106451297B CN106451297B CN201610955846.XA CN201610955846A CN106451297B CN 106451297 B CN106451297 B CN 106451297B CN 201610955846 A CN201610955846 A CN 201610955846A CN 106451297 B CN106451297 B CN 106451297B
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- CN
- China
- Prior art keywords
- conductor
- split
- transmission system
- split conductor
- stop structure
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/18—Devices affording mechanical protection in the event of breakage of a line or cable, e.g. net for catching broken lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention provides a kind of high-altitude stringing transmission system, the front side of corresponding conductor spacer and/or rear side are provided with the Stop structure for coordinating with conductor spacer block along the spaced apart conductor spacer of split conductor extending direction, split conductor including at least two split conductors extended along the longitudinal direction and at least two.When somewhere split conductor is broken, the Stop structure that is arranged on split conductor will coordinate with split conductor block and prevent split conductor by being extracted out on corresponding conductor spacer, thus can be sagging to avoid long split conductor and cause contingency.
Description
Technical field
The present invention relates to the high-altitude stringing transmission systems in high voltage power transmission field.
Background technology
It is smaller by several diameters per phase conductor in order to inhibit corona discharge and reduce line reactance in high voltage power transmission field
Split conductor composition, each split conductor is spaced apart and is arranged by symmetrical polygonal, and conductor spacer is utilized to keep each division
Position between conducting wire and spacing, by the holding of conductor spacer, each split conductor is arranged on the vertex of regular polygon.
High-altitude stringing transmission system is as shown in Figure 1, include multiple spaced apart steel towers（It is not shown in figure）, one side of steel tower
Face can ensure the stringing height of split conductor 2, ensure transmission of electricity safety, on the other hand it is also possible that split conductor 2 can be with
Across some barriers, such as highway, railway, bridge etc., split conductor is mounted by suspension clamp 1 on steel tower, simultaneously
Since the spacing between two neighboring steel tower is larger, for the spacing for ensureing between each split conductor, split conductor is avoided whip occur
Hit, be typically provided with multiple conductor spacers 4 between adjacent steel tower, in engineering by the conductor spacer of edge on steel tower suspension clamp
Distance be known as that time span, the distance between two neighboring conductor spacer is held to be known as time span.Meanwhile in order to avoid because wind etc. it is other
Split conductor vibration problem caused by factor is provided with stockbridge damper on the split conductor in the span of end time（Because of end time
This position of span is easier to shake）.In barriers such as divisural line crossing highway, railway, bridges, these general barriers are all
There are the safety clearance of oneself, i.e. a certain distance near barrier, other objects is not allow in this distance, to ensure to pacify
Quan Xing.
Conventional in use, conductor spacer is by having certain enclasping force between caoutchouc elasticity circle and split conductor, with
Movement of the conductor spacer between split conductor is prevented, however is found in use, when split conductor is when certain is broken
（Fracture is easy tod produce in end time gear away from）, since the dead weight of split conductor will produce prodigious drag force, this drag force meeting
The enclasping force for overcoming conductor spacer, conducting wire of causing a split in conductor spacer by extracting out, as shown in Figure 1, thus will appear longer point
2 vertical ground of conducting wire is split, since the split conductor to hang is longer, the split conductor to hang may fall into the safety of barrier 3
In limit, lead to the generation of accident.Recently there have been a split conductor by conductor spacer extract out after, due to hang distance compared with
It grows and causes car accident.
Invention content
Split conductor can be prevented by the high-altitude stringing transmission system extracted out on conductor spacer it is an object of the invention to provide a kind of.
To achieve the goals above, the technical solution adopted in the present invention is：
High-altitude stringing transmission system, including at least two split conductors extended along the longitudinal direction and at least two are along division
Conducting wire extending direction spaced apart conductor spacer is provided with and is used in the front side of corresponding conductor spacer and/or rear side on split conductor
With the Stop structure of conductor spacer block cooperation.
It is provided with elastic buffer between Stop structure and corresponding conductor spacer.
Elastic buffer is the buffer body made of elastic material being fixedly arranged on the Stop structure, and split conductor is arranged in
On shown buffer body.
The Stop structure includes two anchor ears being buckled togather, and two anchor ears are fixed on corresponding by bolt holding
On split conductor.
High-altitude stringing transmission system further includes steel tower, and the suspension clamp for split conductor connection is provided on steel tower,
The Stop structure is set between suspension clamp and the conductor spacer adjacent with suspension clamp.
Spacing between suspension clamp and conductor spacer adjacent thereto is known as holding time span, between two neighboring conductor spacer
Spacing is known as time span, and the height and the difference of corresponding end time span or secondary span of the split conductor above barrier be not small
In the safety clearance of the barrier.
The conductor spacer includes wire clamp and the bushing that is set between wire clamp and split conductor, and the Stop structure is set to
On the bushing.
Beneficial effects of the present invention are：When somewhere split conductor is broken, the Stop structure that is arranged on split conductor will be with
Split conductor block coordinates and prevents split conductor from being extracted out on conductor spacer by corresponding to, thus can be to avoid long split conductor
It is sagging and cause contingency.
Further, elastic buffer is set between split conductor and conductor spacer, when split conductor being avoided to be broken, block knot
Moment impact between structure and conductor spacer is excessive and damages conductor spacer.
Further, Stop structure, which is used, is held tightly by bolt in the hooping structure on split conductor, and installation form is simple
It is convenient.
Further, Stop structure is set between suspension clamp and conductor spacer adjacent thereto, because this region is
Most easily vibrations in entire transmission system, the region of most easy fracture can give full play to the effect of Stop structure, can also keep away in this way
Exempt from unnecessary cost.
Further, when split conductor needs across obstacle, pass through control terminal time span or secondary span and barrier
The height relationships of top split conductor, even if the split conductor above barrier occurs being broken and sagging, due under split conductor
After hanging down still will not barriers to entry object safety clearance, therefore can further avoid the generation of corresponding accident.
Description of the drawings
Fig. 1 is the structural schematic diagram of background technology in the present invention；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of preceding Stop structure in Fig. 2；
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 2.
Specific implementation mode
The implementation of high-altitude stringing transmission system is for example shown in Fig. 2 ~ 3：Including multiple split conductor groups, each split conductor group
Include the more split conductors 2 extended along the longitudinal direction, steel tower is arranged at intervals with along split conductor extending direction（Do not show in figure
Go out）, the suspension clamp 1 mounted for split conductor 2 is provided on steel tower, is extended along split conductor between two adjacent steel towers
Direction arranged for interval has multiple conductor spacers, each split conductor in the same split conductor group respectively at each angle of conductor spacer
Wire clamp is fixed, and the spacing between two neighboring conductor spacer is known as time span, between suspension clamp and conductor spacer adjacent thereto
Spacing is known as holding time span, because end time spacing belongs to easy earthquake region domain, therefore is provided on the split conductor in the span of end time
Stockbridge damper 3.Conductor spacer, steel tower, suspension clamp and stockbridge damper belong to the prior art, its structure is no longer discussed in detail at this.
In the present invention, the conductor spacer adjacent with suspension clamp is known as to hold conductor spacer 4, the split conductor in end 4 front and rear sides of conductor spacer
On be separately provided for end conductor spacer block cooperation preceding Stop structure 6 and rear Stop structure 5, end conductor spacer include wire clamp
And the bushing being set between wire clamp and corresponding split conductor, split conductor are connected by wire clamp with the ontology of end conductor spacer, this
In embodiment, the structure of forward and backward Stop structure is identical, now only describes in detail to preceding Stop structure, and preceding Stop structure 6 includes
One end of two anchor ears 8 being buckled togather, two anchor ears is hinged by articulated shaft 9, and the other end is fixed by bolt 10, in this way
Two anchor ears 8, which can be held tightly, to be fixed on the split conductor 2 on front side of the conductor spacer of end.It is fixed with bullet in the rear end of preceding Stop structure
Property buffering, elastic buffer includes the buffer body made of elastic material 7 being individually fixed on two anchor ears, and split conductor is worn
In on buffer body 7, two buffer body make-ups and the structure for forming sugarcoated haws string shape.
The region that is more easily broken off of a split conductor is formed since the split conductor of steel tower both sides is more easy to shake,
In the present embodiment, at end, Stop structure, if a certain split conductor is broken, the gear of respective side is arranged in the both sides of conductor spacer
Only structure will coordinate with the respective side block of end conductor spacer, can to avoid corresponding split conductor by being extracted out on conductor spacer
To reduce the sag height of split conductor, avoid causing corresponding accident；Elastic buffer can avoid Stop structure and be produced to conductor spacer
It gives birth to rigid shock and damages conductor spacer；Stop structure is installed using bolt hood type, and it is original to vary without split conductor in this way
Structure is relatively specific for the transformation to existing transmission system.In other embodiments of the invention：Preceding Stop structure can not also
Using hood type structure, such as preceding Stop structure includes a block set being sheathed on split conductor, and block set can lead to
It crosses and is fixed on split conductor along the Top fastening screw or nut fore shaft perpendicular to split conductor extending direction, at this time preceding Stop structure
It can be set on split conductor during the stringing of high-altitude；Forward and backward Stop structure can also use different structure；When
So, it in actual mechanical process, can also be more easily broken off, can be only set in the side of more easy fracture to calculate any side by calculating
Stop structure is set, cost can be saved in this way, naturally it is also possible to be respectively provided with gear in the both sides of each conductor spacer of entire transmission system
Only structure；Elastic buffer can also be spring, and certain elastic buffer can not also be set；Forward and backward Stop structure can also with it is corresponding
Bushing is wholely set, and Stop structure forward and backward so is just fixed in by bushing on wire clamp, it is no longer necessary to is arranged as anchor ear
Fixed structure, certain forward and backward Stop structure can also be with bushing split settings, and it is fixed that forward and backward Stop structure pass through bolt etc.
Structure is fixed on bushing.
The embodiment 2 of high-altitude stringing transmission system is as shown in Figure 4：In the present embodiment, split conductor needs transitting tain 11
Therefore Stop structure 10 is set to the front and rear sides of the conductor spacer above barrier by such barrier, while to avoid point
Split can be sagging after wire fracture and drop into the safety clearance of train, control the height of the split conductor 2 above barrier with
The difference of corresponding span is not less than the safety clearance of barrier.The safety clearance of different barriers is different, this can
To be determined according to actual security regulations, some barriers only require sagging conducting wire not with bar contact, some barriers
Object is hindered then to require sagging conductor spacing barrier in certain safe distance, such as the peace of the high ferro of speed per hour 160Km/h
Full limit is 2.44 meters, when train running speed is more than 160Km/h, answers increase safety clearance appropriate.
Claims (6)
1. high-altitude stringing transmission system, including at least two split conductors extended along the longitudinal direction and at least two edge divisions are led
The spaced apart conductor spacer of line extending direction, it is characterised in that:It is set in the front side of corresponding conductor spacer and/or rear side on split conductor
It is equipped with the Stop structure for coordinating with conductor spacer block, the Stop structure includes two anchor ears being buckled togather, two
Anchor ear is fixed on by bolt holding on corresponding split conductor.
2. stringing transmission system in high-altitude according to claim 1, it is characterised in that：Between Stop structure and corresponding conductor spacer
It is provided with elastic buffer.
3. stringing transmission system in high-altitude according to claim 2, it is characterised in that：Elastic buffer is to be fixedly arranged on the block
The buffer body made of elastic material in structure, split conductor are arranged on shown buffer body.
4. stringing transmission system in high-altitude according to claim 1, it is characterised in that：High-altitude stringing transmission system further includes iron
Tower, is provided with the suspension clamp for split conductor connection on steel tower, the Stop structure be set to suspension clamp and with it is outstanding
Vertical line presss from both sides between adjacent conductor spacer.
5. the high-altitude stringing transmission system according to claim 1 ~ 4 any one, it is characterised in that：Suspension clamp and and its
Spacing between adjacent conductor spacer is known as holding time span, and the spacing between two neighboring conductor spacer is known as time span, in barrier
Safety of the height of the split conductor above object with the difference of corresponding end time span or secondary span not less than the barrier is hindered to limit
Boundary.
6. the high-altitude stringing transmission system according to claim 1 ~ 4 any one, it is characterised in that：The conductor spacer includes
Wire clamp and the bushing being set between wire clamp and split conductor, the Stop structure are set on the bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610955846.XA CN106451297B (en) | 2016-10-27 | 2016-10-27 | High-altitude stringing transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610955846.XA CN106451297B (en) | 2016-10-27 | 2016-10-27 | High-altitude stringing transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451297A CN106451297A (en) | 2017-02-22 |
| CN106451297B true CN106451297B (en) | 2018-09-07 |
Family
ID=58180453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610955846.XA Active CN106451297B (en) | 2016-10-27 | 2016-10-27 | High-altitude stringing transmission system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106451297B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114260103B (en) * | 2021-12-01 | 2024-03-19 | 钢城集团凉山瑞海实业有限公司 | Cathode wire protection device of electrostatic precipitator |
Citations (8)
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|---|---|---|---|---|
| CN101882773A (en) * | 2010-06-23 | 2010-11-10 | 南京线路器材厂 | Spacer wire chunk capable of maintaining torque characteristic in ice coating |
| JP2012044845A (en) * | 2010-08-23 | 2012-03-01 | Asahi Electric Works Ltd | Loose wire gripping portion |
| US8339273B2 (en) * | 2010-02-11 | 2012-12-25 | Southwire Company | Event enunciator for a power line using a lanyard |
| CN104009437A (en) * | 2014-05-14 | 2014-08-27 | 安徽威龙电力器材有限公司 | Anti-hunting hammer for preventing cable from being scratched |
| CN203839891U (en) * | 2014-05-13 | 2014-09-17 | 凤凰科技集团有限公司 | Four-split wire rotary type anti-galloping damping spacer rod |
| CN205195211U (en) * | 2015-12-11 | 2016-04-27 | 广州电力设计院 | Protector for air wire |
| CN205544140U (en) * | 2016-01-25 | 2016-08-31 | 广州电力设计院 | Secondary damage device of preventing falling |
| CN206272200U (en) * | 2016-10-27 | 2017-06-20 | 郑州东辰科技有限公司 | A kind of high-altitude stringing transmission system |
-
2016
- 2016-10-27 CN CN201610955846.XA patent/CN106451297B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8339273B2 (en) * | 2010-02-11 | 2012-12-25 | Southwire Company | Event enunciator for a power line using a lanyard |
| CN101882773A (en) * | 2010-06-23 | 2010-11-10 | 南京线路器材厂 | Spacer wire chunk capable of maintaining torque characteristic in ice coating |
| JP2012044845A (en) * | 2010-08-23 | 2012-03-01 | Asahi Electric Works Ltd | Loose wire gripping portion |
| CN203839891U (en) * | 2014-05-13 | 2014-09-17 | 凤凰科技集团有限公司 | Four-split wire rotary type anti-galloping damping spacer rod |
| CN104009437A (en) * | 2014-05-14 | 2014-08-27 | 安徽威龙电力器材有限公司 | Anti-hunting hammer for preventing cable from being scratched |
| CN205195211U (en) * | 2015-12-11 | 2016-04-27 | 广州电力设计院 | Protector for air wire |
| CN205544140U (en) * | 2016-01-25 | 2016-08-31 | 广州电力设计院 | Secondary damage device of preventing falling |
| CN206272200U (en) * | 2016-10-27 | 2017-06-20 | 郑州东辰科技有限公司 | A kind of high-altitude stringing transmission system |
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| Publication number | Publication date |
|---|---|
| CN106451297A (en) | 2017-02-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Hongtao Inventor after: Feng Yuan Inventor after: Ma Xiaochao Inventor after: Shang Tingdong Inventor after: Zhang Haixia Inventor after: Jia Yang Inventor after: Zhang Qifeng Inventor after: Zhang Zhongjie Inventor after: Zhang Xiaofeng Inventor after: Zhang Hongyan Inventor after: Luo Yuliang Inventor after: Liu Dongmei Inventor after: Wang Yaqi Inventor after: Zhu Leilei Inventor before: Shang Tingdong Inventor before: Zhang Haixia Inventor before: Jia Yang |
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| GR01 | Patent grant |