CN102646945A - Method for 500kV live replacement of composite insulators - Google Patents
Method for 500kV live replacement of composite insulators Download PDFInfo
- Publication number
- CN102646945A CN102646945A CN2012101269228A CN201210126922A CN102646945A CN 102646945 A CN102646945 A CN 102646945A CN 2012101269228 A CN2012101269228 A CN 2012101269228A CN 201210126922 A CN201210126922 A CN 201210126922A CN 102646945 A CN102646945 A CN 102646945A
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- leading screw
- insulator
- adjustable
- arm
- tie
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- 239000012212 insulator Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002131 composite material Substances 0.000 title abstract 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 5
- 235000011613 Pinus brutia Nutrition 0.000 claims description 5
- 241000018646 Pinus brutia Species 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001012 protector Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The invention relates to a method for 500kV live replacement of composite insulators, which includes the steps: firstly, mounting a secondary protector; secondly, mounting an adjustable hanging wire hook; thirdly, replacing the insulator; and fourthly, mounting a second adjustable hanging wire hook. The method for 500kV live replacement of the composite insulators is unlimited by a tower type and the length of the insulator, can be used for realizing live replacement of composite insulators of different types, in different lengths and differing greatly or excessively as compared with original composite insulators, and can adapt to various insulator types and various insulator combination modes. Two lead screws do not need to be stressed simultaneously, one lead screw is stressed while the other lead screw is used for replacing a connector, and the lead screw used for replacing the connector is stressed while the other lead screw is used for adjusting the connector until replacement is completed, so that work efficiency is improved.
Description
Technical field
The present invention relates to a kind of method of 500kV charged for replacement synthetic insulator.
Background technology
Because the leading screw on the insulated tension pole top of the used lifting lead of charged for replacement 500kV synthetic insulator promotes and pine to fall distance limited, the operation of traditional 500kV transmission line charged for replacement synthetic insulator differ greatly like different model, length and original synthetic insulator or too much situation under adopt the power failure processing mostly.
Summary of the invention
The technical problem that the present invention will solve provides a kind of method of 500kV charged for replacement synthetic insulator, and this method can realize that charged for replacement different model, length and original synthetic insulator differ greatly or too much synthetic insulator.
In order to solve the problem that prior art exists, the technical scheme that the present invention adopts is:
The method of 500kV charged for replacement synthetic insulator may further comprise the steps:
1. the second protection device is installed: equipotential electrician gets into highfield along insulated flexible ladder, and the hook of buckle-type second protection device is hung on the iron tower cross-arm, and the device that will go offline is buckled on the conductors on quad bundled;
2. adjustable line hanging hook is installed: the tower head leading screw is installed in iron tower cross-arm head; After adjustable insulation arm-tie and adjustable line hanging hook assembled; Adjustable insulation arm-tie reliably is connected with the tower head leading screw, is buckled on the conductors on quad bundled by the equipotential electrician device that will go offline again;
3. change insulator: screw or unscrew the tower head leading screw, make adjustable line hanging hook bear the gravity vertically downward of conductors on quad bundled, old insulator is taken off, again leading screw is screwed or unscrewed to correct position to correct position.
4. second adjustable line hanging hook be installed, the tower head leading screw is transferred to pine or the tightest, the length of regulating adjustable insulation arm-tie then; Make the length of length summation and first adjustable insulation arm-tie of second tower head leading screw and the second insulated arm-tie identical; And then screw or unscrew the second rhizoid thick stick, bear the gravity of conductors on quad bundled with second line hanging hook, it is stressed to be used alternatingly two tower head leading screws repeatedly; Until identical with new synthetic insulator length, i.e. installation.
Advantage and effect that the present invention had are:
The method of 500kV charged for replacement synthetic insulator of the present invention does not receive the tower restriction, does not receive the restriction of insulator length, can realize that charged for replacement different model, length and original synthetic insulator differ greatly or too much synthetic insulator.Can adapt to multiple insulator model, multiple insulation combining form; Two rhizoid thick sticks need not simultaneously stressed, and a rhizoid thick stick is stressed, a rhizoid thick stick is changed joint, another rhizoid thick stick adjustment joint when the leading screw of replacing joint is stressed once more; Accomplish until changing, increase work efficiency.
Description of drawings
Employed instrument in the method for Fig. 1 500kV charged for replacement of the present invention synthetic insulator.
Among the figure: buckle-type second protection device 1; Hook 11; Iron tower cross-arm 2; Device 12 goes offline; Conductors on quad bundled 3; Tower head leading screw 4; Adjustable insulation arm-tie 5; Adjustable line hanging hook 6; Device 61 goes offline; Synthetic insulator 7.
Embodiment
Below in conjunction with accompanying drawing the present invention is made further detailed description:
As shown in Figure 1, the method for 500kV charged for replacement synthetic insulator of the present invention may further comprise the steps:
1. the second protection device is installed: equipotential electrician gets into highfield along insulated flexible ladder, and the hook 11 of buckle-type second protection device 1 is hung on the iron tower cross-arm 2, and the device 12 that will go offline is buckled on the conductors on quad bundled 3;
2. adjustable line hanging hook is installed: tower head leading screw 4 is installed in iron tower cross-arm head; After adjustable insulation arm-tie 5 and adjustable line hanging hook 6 assembled; Adjustable insulation arm-tie 5 reliably is connected with tower head leading screw 4, is buckled on the conductors on quad bundled 3 by the equipotential electrician device 61 that will go offline again;
3. change insulator: according to the length of the insulator that will change; Screw or unscrew the tower head leading screw to correct position; Make adjustable line hanging hook bear the gravity vertically downward of conductors on quad bundled, old insulator is taken off, again leading screw is screwed or unscrewed to correct position.
4. second adjustable line hanging hook be installed, tower head leading screw 4 is transferred to pine or the tightest, the length of regulating adjustable insulation arm-tie 5 then; Make the length of length summation and first adjustable insulation arm-tie 5 of second tower head leading screw and the second insulated arm-tie identical; And then screw or unscrew the second rhizoid thick stick, bear the gravity of conductors on quad bundled 3 with second line hanging hook, it is stressed to be used alternatingly two tower head leading screws repeatedly; Until identical with new synthetic insulator 7 length, i.e. installation.
Below being example under the short situation of the new insulator that will change:
1. the second protection device is installed: equipotential electrician gets into highfield along insulated flexible ladder, and the hook 11 of buckle-type second protection device 1 is hung on the iron tower cross-arm 2, and the device 12 that will go offline is buckled on the conductors on quad bundled 3, prevents lead accidental in the operation.
2. adjustable line hanging hook is installed: tower head leading screw 4 is installed in iron tower cross-arm head; After adjustable insulation arm-tie 5 and adjustable line hanging hook 6 assembled; Adjustable insulation arm-tie 5 reliably is connected with tower head leading screw 4, is buckled on the conductors on quad bundled 3 by the equipotential electrician device 61 that will go offline again;
3. change insulator: the tower head leading screw 4 of screwing makes adjustable line hanging hook 6 bear the gravity vertically downward of conductors on quad bundled 3 to correct position, and old insulator is taken off, and is threaded to tower head leading screw 4 the tightest again.
4. second adjustable line hanging hook be installed, tower head leading screw 4 is transferred to pine, the length of regulating adjustable insulation arm-tie 5 then; Make the length of length summation and first adjustable insulation arm-tie of second tower head leading screw and the second insulated arm-tie identical; And then the second tower head leading screw of screwing, bear the gravity of conductors on quad bundled with second line hanging hook, it is stressed to be used alternatingly two rhizoid thick sticks repeatedly; Until identical with new synthetic insulator length, i.e. installation.
Claims (1)
1.500kV the method for charged for replacement synthetic insulator is characterized in that may further comprise the steps:
1. the second protection device is installed: equipotential electrician gets into highfield along insulated flexible ladder, and the hook of buckle-type second protection device is hung on the iron tower cross-arm, and the device that will go offline is buckled on the conductors on quad bundled;
2. adjustable line hanging hook is installed: the tower head leading screw is installed in iron tower cross-arm head; After adjustable insulation arm-tie and adjustable line hanging hook assembled; Adjustable insulation arm-tie reliably is connected with the tower head leading screw, is buckled on the conductors on quad bundled by the equipotential electrician device that will go offline again;
3. change insulator: screw or unscrew the tower head leading screw, make adjustable line hanging hook bear the gravity vertically downward of conductors on quad bundled, old insulator is taken off, again leading screw is screwed or unscrewed to correct position to correct position;
4. second adjustable line hanging hook be installed, the tower head leading screw is transferred to pine or the tightest, the length of regulating adjustable insulation arm-tie then; Make the length of length summation and first adjustable insulation arm-tie of second tower head leading screw and the second insulated arm-tie identical; And then screw or unscrew the second rhizoid thick stick, bear the gravity of conductors on quad bundled with second line hanging hook, it is stressed to be used alternatingly two tower head leading screws repeatedly; Until identical with new synthetic insulator length, i.e. installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126922.8A CN102646945B (en) | 2012-04-27 | 2012-04-27 | Method for 500kV live replacement of composite insulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126922.8A CN102646945B (en) | 2012-04-27 | 2012-04-27 | Method for 500kV live replacement of composite insulators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102646945A true CN102646945A (en) | 2012-08-22 |
| CN102646945B CN102646945B (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210126922.8A Active CN102646945B (en) | 2012-04-27 | 2012-04-27 | Method for 500kV live replacement of composite insulators |
Country Status (1)
| Country | Link |
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| CN (1) | CN102646945B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113011A (en) * | 2014-07-08 | 2014-10-22 | 国家电网公司 | Single-string-insulator maintenance device |
| CN104113007A (en) * | 2013-04-22 | 2014-10-22 | 江苏省电力公司常州供电公司 | Operation method for replacing strain insulator of 35kV overhead distribution line in live state |
| CN105162028A (en) * | 2015-07-17 | 2015-12-16 | 国网辽宁省电力有限公司辽阳供电公司 | Method for replacing linear insulator of 220kV steel pipe tower in live working state |
| CN105743013A (en) * | 2016-03-28 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司南宁局 | Method for live replacement of +/-500kV DC line strain tower insulator string |
| CN110011217A (en) * | 2019-03-21 | 2019-07-12 | 中国南方电网有限责任公司超高压输电公司百色局 | 500 kV power transmission line jumper insulator string replacing device and using method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204196U (en) * | 1985-09-28 | 1986-06-11 | 鞍山电业局 | Clamps for change straight-line whole serial insulators on live wire work |
| JP2005012866A (en) * | 2003-06-16 | 2005-01-13 | Sumiden Asahi Industries Ltd | Jumper |
| CN201937206U (en) * | 2010-12-07 | 2011-08-17 | 江西省电力公司超高压分公司 | Universal tool for electrically replacing 500kV strain insulator string |
| CN202094541U (en) * | 2011-06-15 | 2011-12-28 | 辽宁省电力有限公司营口供电公司 | Adjustable four-bundle conductor lifting device |
-
2012
- 2012-04-27 CN CN201210126922.8A patent/CN102646945B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204196U (en) * | 1985-09-28 | 1986-06-11 | 鞍山电业局 | Clamps for change straight-line whole serial insulators on live wire work |
| JP2005012866A (en) * | 2003-06-16 | 2005-01-13 | Sumiden Asahi Industries Ltd | Jumper |
| CN201937206U (en) * | 2010-12-07 | 2011-08-17 | 江西省电力公司超高压分公司 | Universal tool for electrically replacing 500kV strain insulator string |
| CN202094541U (en) * | 2011-06-15 | 2011-12-28 | 辽宁省电力有限公司营口供电公司 | Adjustable four-bundle conductor lifting device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113007A (en) * | 2013-04-22 | 2014-10-22 | 江苏省电力公司常州供电公司 | Operation method for replacing strain insulator of 35kV overhead distribution line in live state |
| CN104113011A (en) * | 2014-07-08 | 2014-10-22 | 国家电网公司 | Single-string-insulator maintenance device |
| CN104113011B (en) * | 2014-07-08 | 2017-01-11 | 国家电网公司 | Single-string-insulator maintenance device |
| CN105162028A (en) * | 2015-07-17 | 2015-12-16 | 国网辽宁省电力有限公司辽阳供电公司 | Method for replacing linear insulator of 220kV steel pipe tower in live working state |
| CN105743013A (en) * | 2016-03-28 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司南宁局 | Method for live replacement of +/-500kV DC line strain tower insulator string |
| CN105743013B (en) * | 2016-03-28 | 2017-09-15 | 中国南方电网有限责任公司超高压输电公司南宁局 | The method of charged for replacement ± 500kV AC line anchor support insulator chains |
| CN110011217A (en) * | 2019-03-21 | 2019-07-12 | 中国南方电网有限责任公司超高压输电公司百色局 | 500 kV power transmission line jumper insulator string replacing device and using method thereof |
| CN110011217B (en) * | 2019-03-21 | 2023-12-12 | 中国南方电网有限责任公司超高压输电公司百色局 | Device for replacing jumper insulator string of 500 kilovolt power transmission line and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102646945B (en) | 2015-04-22 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20120926 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120926 Address after: 111000 Liaoyang City, Liaoning province Taizihe District South Street No. 81 Applicant after: Liaoning Electric Power Co., Ltd. Liaoyang Power Supply Company Applicant after: State Grid Corporation of China Address before: 111000 No. 81, south suburb street, Liaoning, Liaoyang Applicant before: Liaoning Electric Power Co., Ltd. Liaoyang Power Supply Company |
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