CN108471084A - Assembled carbon-fibre wire erection method - Google Patents
Assembled carbon-fibre wire erection method Download PDFInfo
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- CN108471084A CN108471084A CN201810190090.3A CN201810190090A CN108471084A CN 108471084 A CN108471084 A CN 108471084A CN 201810190090 A CN201810190090 A CN 201810190090A CN 108471084 A CN108471084 A CN 108471084A
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- carbon
- fibre wire
- line length
- wire
- length
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- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
Assembled carbon-fibre wire erection method, for improving line level crossing construction efficiency, it includes the following steps：1, it establishes based on the resistance to straight resistance to grounded-line length model for accurate calculation of the Crossover phase on catenary equation and accurate Fundamentals of Measurement；2, carbon-fibre wire Processing to length and accurate measurement；3, for traction, can cross releasing pulley strain clamp and adjustment gold utensil design and research；4, the research of assembled carbon-fibre wire overhead construction process.Assembled carbon-fibre wire erection method provided by the invention, first, improving line level crossing construction efficiency, across strain section independence unwrapping wire, unwrapping wire section is short, reduces process, can greatly shorten the stringing time, meets currently across job time limit requirement；Second is that improving stringing quality, the reduction of process, the raising of work efficiency reduce carbon-fibre wire because the carbon-fibre wire of the generations such as friction, whiplash, anchoring damages, ensure stringing quality；Third, improving working security, reliability.
Description
Technical field
The present invention relates to wire erection technical field, specifically a kind of assembled carbon-fibre wire erection method.
Background technology
Currently, electricity power engineering construction has been enter into comprehensive Rapid development stage, and work transmission line region span is wide, largely across
The more critical facilities such as transmission line of electricity and electric railway, high ferro, power line crossing and power grid, railway network operation contradiction increasingly
Prominent, especially power grid and railway network safe operation require increasingly harsh, operating type, job time limit to power line crossing
Requirements at the higher level are proposed with construction safety.
Currently, transmission line of electricity crossing construction still uses traditional construction mode, site operation to carry out setting-out according to design data
Fitting, the common stringing mode of current power transmission line project mainly have " one leads one ", " one lead more ", " 2 × mono- lead more " and " 4 ×
One lead it is more " etc. modes, carry out across set up, lead and (lead) messenger unfolding, spreading lead wire and earth wire, degree of speeding observation, picture print, anchor,
The multiple working procedures such as hanging wire, attachment installation are crimped, the related request of design and specification is met, work progress chain is long, process is complicated,
Uncontrollable factor is numerous so that construction efficiency is low, security risk is more, quality control on construction difficulty is big.
Invention content
The purpose of the present invention is to provide a kind of assembled carbon-fibre wire erection methods, for improving line level crossing construction
Efficiency.
The technical scheme adopted by the invention to solve the technical problem is that：Assembled carbon-fibre wire erection method, it is special
Sign is that it includes the following steps：
1, it establishes accurate based on resistance to-straight-straight-resistance to grounded-line length of the Crossover phase on catenary equation and accurate Fundamentals of Measurement
Computation model
(1), the difference in height and distance between Crossover phase shaft tower hanging point are measured；
(2), the influence amount that can draw the crimping of strain insulator pipe to carbon-fibre wire line length by crimping verification experimental verification；
(3), under condition of different temperatures, determine carbon-fibre wire in different condition by the pull test under differential tension
Under coefficient of elasticity value, verification producer provide elasticity modulus correctness, determine influence amount of the flexible deformation to line length；
(4), carbon-fibre wire line length is calculated using high-precision catenary equation；
(5), carbon-fibre wire line length computation model is established；
2, carbon-fibre wire Processing to length and accurate measurement
(1) fixed length carbon-fibre wire is fabricated
(benchmark line length is 15 degrees Celsius and opens temperature and pressure when being manufactured due to carbon-fibre wire with datum line elongate member
Respective value when power 25%RTS) it is inconsistent, carbon-fibre wire Processing to length length correction need to be studied；
(2) carbon-fibre wire processing length is measured；
(3) prestressing force, pre-stretched experiment are carried out, the line length influence amount under the conditions of differential tension is determined, ensures in unwrapping wire
Controlled range is down in influence of the carbon fiber guiding linear elastic deformation to line length under the conditions of power；
3, for traction, can cross releasing pulley strain clamp and adjustment gold utensil design and research
(1) for traction, can mistake releasing pulley meet current specifications strain clamp and mating drainage device design,
Experimental study；It is required that the main aluminum pipe body of strain clamp is independent pipe, the alloy aluminum pipe with excellent conductive ability can be used, by force
Degree is high, non-deformability is strong.Straight aluminum pipe does not have any weldment, and coaster, conduction wire clamp was convenient for individually to be embraced using sliceable
Hoop body is connect with main aluminum pipe；
(2) research and processing of the protection sleeve pipe of coaster strain clamp are crossed, it is ensured that strain clamp is crossed straight after coaster；
(3) gold utensil adjustable range and degree of regulation are determined, gold utensil is adjusted and adjustment plate is set, it can large range of adjustment carbon fiber
Sub-conductor line length is tieed up, the function that adjustment plate is finely adjusted carbon fiber sub-conductor is retained；
4, the research of assembled carbon-fibre wire overhead construction process
Carry out assembled carbon-fibre wire overhead construction process principle, technological process, key points for operation, personnel arrangement, material,
The summary research of equipment and quality, safety construction measure, forms corresponding standard guidance file.
Further, to ensure that carbon-fibre wire processing length drops to controlled range to line length influence, grounded-line length is missed
Difference should control within 0.03%.
Further, it is independently measured using two kinds of measuring instruments of GPS positioning instrument and total powerstation when measurement, is then carried out
Compare verification, is measured in combination with iron tower structure height.
The beneficial effects of the invention are as follows：Assembled carbon-fibre wire erection method provided by the invention is crossed over first, improving
Poling Construction efficiency, across strain section independence unwrapping wire, unwrapping wire section is short, reduces process, can greatly shorten the stringing time, meets
Currently across job time limit requirement；Second is that improving stringing quality, the reduction of process, the raising of work efficiency reduce carbon-fibre wire
Because the carbon-fibre wire of the generations such as friction, whiplash, anchoring damages, ensure stringing quality；Third, improving working security, reliable
Property.
Specific implementation mode
The particular content of the present invention is described in detail below.
The present invention is on the basis for summarizing existing plain conductor erection technique, the experience of crossing construction technology, feature and difficult point
On, specification assembled carbon-fibre wire sets up crossing construction applicable elements；It studies and defines circuit and uses " assembled carbon-fibre wire
Stringing crossing construction technology " is anticipated across guidance of the critical facility in relation to construction, design, carbon-fibre wire and gold utensil manufacturer
See, reduces engineering construction enforcement difficulty and security risk；500KV and above power line and important railway are crossed in research and development
Construction technique, new equipment, Push Technology, equipment upgrading are striven realizing " few to interfere, is without prejudice " crossing construction.
The research for carrying out the new equipment for improving carbon-fibre wire Poling Construction speed, passes through assembled carbon-fibre wire stringing
The application of crossing construction reduces line level crossing security risk, improves crossing construction speed and reliability, reduces the operation being spanned
The line outage time is spanned being overstated the time for critical facility, and the time is crossed in significantly reduction, creates good social benefit
And economic benefit.
1, it establishes accurate based on resistance to-straight-straight-resistance to grounded-line length of the Crossover phase on catenary equation and accurate Fundamentals of Measurement
Computation model
(1), the difference in height and distance between Crossover phase shaft tower hanging point are measured, GPS positioning instrument and total powerstation two are used when measurement
Kind measuring instrument independently measures, and is then compared and checked, and is measured in combination with iron tower structure height；
(2), the influence amount that can draw the crimping of strain insulator pipe to carbon-fibre wire line length by crimping verification experimental verification；
(3), under condition of different temperatures, determine carbon-fibre wire in different condition by the pull test under differential tension
Under coefficient of elasticity value, verification producer provide elasticity modulus correctness, determine influence amount of the flexible deformation to line length；
(4), carbon-fibre wire line length is calculated using high-precision catenary equation；
(5), carbon-fibre wire line length computation model is established.
2, the research of carbon-fibre wire Processing to length and accurate measurement method
(1) manufacture processing fixed length carbon-fibre wire
(benchmark line length is 15 degrees Celsius and opens temperature and pressure when being manufactured due to carbon-fibre wire with datum line elongate member
Respective value when power 25%RTS) it is inconsistent, carbon-fibre wire Processing to length length correction need to be studied；To ensure carbon-fibre wire
Processing length drops to controlled range to line length influence, and grounded-line error in length should control within 0.03%；
(2) carbon-fibre wire processing length is measured；
(3) prestressing force, pre-stretched experiment are carried out, the line length influence amount under the conditions of differential tension is determined, ensures in unwrapping wire
Controlled range is down in influence of the carbon fiber guiding linear elastic deformation to line length under the conditions of power；
3, for traction, can cross releasing pulley strain clamp and adjustment gold utensil design and research
(1) for traction, can mistake releasing pulley and meet the strain clamp of current specifications and setting for mating drainage device
Meter, experimental study；It is required that the main aluminum pipe body of strain clamp is independent pipe, the alloy aluminum pipe of excellent conductive ability can be used, by force
Degree is high, non-deformability is strong.Straight aluminum pipe does not have any weldment, and coaster, conduction wire clamp was convenient for individually to be embraced using sliceable
Hoop body is connect with main aluminum pipe；
(2) research and processing of the protection sleeve pipe of coaster strain clamp are crossed, it is ensured that strain clamp is crossed straight after coaster；
(3) gold utensil adjustable range and degree of regulation are determined, gold utensil is adjusted and adjustment plate is set, it can large range of adjustment carbon fiber
Sub-conductor line length is tieed up, the function that adjustment plate is finely adjusted sub- carbon-fibre wire is retained；
4, the research of assembled carbon-fibre wire overhead construction process
Carry out assembled carbon-fibre wire overhead construction process principle, technological process, key points for operation, personnel arrangement, material,
The summary research of equipment and quality, safety construction measure, forms corresponding standard guidance file.
Claims (3)
1. assembled carbon-fibre wire erection method, characterized in that it includes the following steps：
One, it establishes and is accurately counted based on resistance to-straight-straight-resistance to grounded-line length of the Crossover phase on catenary equation and accurate Fundamentals of Measurement
Calculate model
(1), the difference in height and distance between Crossover phase shaft tower hanging point are measured；
(2), the influence amount that can draw the crimping of strain insulator pipe to carbon-fibre wire line length by crimping verification experimental verification；
(3), under condition of different temperatures, determine carbon-fibre wire at different conditions by pull test under differential tension
Coefficient of elasticity value, the correctness for the elasticity modulus that verification producer provides, determines influence amount of the flexible deformation to line length；
(4), carbon-fibre wire line length is calculated using high-precision catenary equation；
(5), carbon-fibre wire line length computation model is established；
Two, carbon-fibre wire Processing to length and accurate measurement
(1) fixed length carbon-fibre wire is fabricated；
(2) carbon-fibre wire processing length is measured；
(3) prestressing force, pre-stretched experiment are carried out, the line length influence amount under the conditions of differential tension is determined, ensures in laying tension item
Controlled range is down in influence of the carbon fiber guiding linear elastic deformation to line length under part；
Three, for traction, can cross releasing pulley strain clamp and adjustment gold utensil design and research
(1) for traction, can cross releasing pulley meet current specifications strain clamp and mating drainage device design, test
Research；It is required that the main aluminum pipe body of strain clamp is independent pipe, using the alloy aluminum pipe with excellent conductive ability, conduction wire clamp
It is connect with main aluminum pipe using sliceable independent hoop；
(2) research and processing of the protection sleeve pipe of coaster strain clamp are crossed, it is ensured that strain clamp is crossed straight after coaster；
(3) gold utensil adjustable range and degree of regulation are determined；
Four, the research of assembled carbon-fibre wire overhead construction process
Carry out assembled carbon-fibre wire overhead construction process principle, technological process, key points for operation, personnel arrangement, material, equipment
And the summary research of quality, safety construction measure, form corresponding standard guidance file.
2. assembled carbon-fibre wire erection method according to claim 1, characterized in that ensure that carbon-fibre wire adds
Section chief's degree drops to controlled range to line length influence, and grounded-line error in length should control within 0.03%.
3. assembled carbon-fibre wire erection method according to claim 1, characterized in that use GPS positioning when measurement
Two kinds of measuring instruments of instrument and total powerstation independently measure, and are then compared and checked, and are carried out in combination with iron tower structure height
It measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190090.3A CN108471084A (en) | 2018-03-08 | 2018-03-08 | Assembled carbon-fibre wire erection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190090.3A CN108471084A (en) | 2018-03-08 | 2018-03-08 | Assembled carbon-fibre wire erection method |
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| Publication Number | Publication Date |
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| CN108471084A true CN108471084A (en) | 2018-08-31 |
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| CN201810190090.3A Pending CN108471084A (en) | 2018-03-08 | 2018-03-08 | Assembled carbon-fibre wire erection method |
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| CN101859988A (en) * | 2010-03-12 | 2010-10-13 | 湖北省输变电工程公司 | Assembly type overhead construction process |
| CN102042885A (en) * | 2010-10-08 | 2011-05-04 | 电子科技大学 | Device for monitoring state of power transmission line tower-line system |
| CN102723679A (en) * | 2012-06-15 | 2012-10-10 | 绍兴电力局 | Continuous strain section assembly type wiring method for ultrahigh-strength aluminum conductor steel supported wires |
| CN103022945A (en) * | 2012-11-21 | 2013-04-03 | 国家电网公司 | Method for mounting jumper wire of power transmission line tension-resisting tower |
| US20130344048A1 (en) * | 2012-06-21 | 2013-12-26 | David H. Wasserman | Method of reducing insulin resistance by administering a Hyaluronan-degrading enzyme |
| CN103676667A (en) * | 2013-12-04 | 2014-03-26 | 国家电网公司 | Three-dimensional simulation, measurement and control system for transformer substation project flexible conductor assembling |
| CN104201631A (en) * | 2014-09-18 | 2014-12-10 | 国家电网公司 | GIS (geographic information system) based three-dimensional jumper sag determination method |
| CN104715105A (en) * | 2015-02-11 | 2015-06-17 | 福州大学 | Maximum sag modeling method of substation flexible conductor on basis of catenary |
| CN206113945U (en) * | 2016-10-25 | 2017-04-19 | 莱赛激光科技股份有限公司 | Target plate subassembly, laser scale subassembly |
-
2018
- 2018-03-08 CN CN201810190090.3A patent/CN108471084A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| CN101859988A (en) * | 2010-03-12 | 2010-10-13 | 湖北省输变电工程公司 | Assembly type overhead construction process |
| CN102042885A (en) * | 2010-10-08 | 2011-05-04 | 电子科技大学 | Device for monitoring state of power transmission line tower-line system |
| CN102723679A (en) * | 2012-06-15 | 2012-10-10 | 绍兴电力局 | Continuous strain section assembly type wiring method for ultrahigh-strength aluminum conductor steel supported wires |
| US20130344048A1 (en) * | 2012-06-21 | 2013-12-26 | David H. Wasserman | Method of reducing insulin resistance by administering a Hyaluronan-degrading enzyme |
| CN103022945A (en) * | 2012-11-21 | 2013-04-03 | 国家电网公司 | Method for mounting jumper wire of power transmission line tension-resisting tower |
| CN103676667A (en) * | 2013-12-04 | 2014-03-26 | 国家电网公司 | Three-dimensional simulation, measurement and control system for transformer substation project flexible conductor assembling |
| CN104201631A (en) * | 2014-09-18 | 2014-12-10 | 国家电网公司 | GIS (geographic information system) based three-dimensional jumper sag determination method |
| CN104715105A (en) * | 2015-02-11 | 2015-06-17 | 福州大学 | Maximum sag modeling method of substation flexible conductor on basis of catenary |
| CN206113945U (en) * | 2016-10-25 | 2017-04-19 | 莱赛激光科技股份有限公司 | Target plate subassembly, laser scale subassembly |
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Application publication date: 20180831 |
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