CN101752806A - Connecting plate for replacing 220kV double bundle conductor strain insulator with centricity and method thereof - Google Patents
Connecting plate for replacing 220kV double bundle conductor strain insulator with centricity and method thereof Download PDFInfo
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- CN101752806A CN101752806A CN200910218366A CN200910218366A CN101752806A CN 101752806 A CN101752806 A CN 101752806A CN 200910218366 A CN200910218366 A CN 200910218366A CN 200910218366 A CN200910218366 A CN 200910218366A CN 101752806 A CN101752806 A CN 101752806A
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Abstract
The invention relates to a connecting plate for replacing an 220kV double bundle conductor strain insulator with centricity and a method thereof; the connecting plate comprises a pulling plate (1) and a screw rod (2) which are connected laterally, opposite junction plates (3) are symmetrically arranged at the outer ends of the pulling plate and the screw rod, and the free end of the junction plate is provided with a connecting hole (4); when the insulator is replaced, the insulation pulling plate is arranged at outer side of an insulator chain, the horizontal load supported by the insulator is transferred by tightening the screw rod, an insulator cradle is used for solving vertical load generated by the own weight after the horizontal load is transferred, and excessive traction force is controlled simultaneously; and finally, the electrical connection of the insulator and the lead wire is disconnected; the invention realizes electrified replacement of the 220kV double bundle conductor strain insulator, the operating process is time saving and labor saving, and is safe and reliable.
Description
Technical field
The invention belongs to electric power transmission line maintenance tool structure and utilize the method and technology field of this maintenance tool charged for replacement 220kV double bundle conductor strain insulator.
Background technology
The transmission line long-time running is in the field, the insulator of circuit is because of the effect of bearing power-frequency voltage, atmospheric over-voltage, switching overvoltage and mechanical load for a long time and the influence of external environment, null value, low value in various degree can occur or dodged by thunderbolt etc., reduce the insulation level of circuit, influence safety, the stable operation of transmission line.For this reason, in the maintenance of transmission line, often need to change insulator.In recent years, 220kV circuit employing double bundle conductor has become the main wire laying mode of 220kV circuit, and when changing the 220kV double bundle conductor strain insulator, the power failure operation of need operating a switch usually influences the normal operation of transmission line.But the means of still not having charged for replacement 220kV double bundle conductor strain insulator at present.
Summary of the invention
The objective of the invention is the method that but a kind of instrument of charged for replacement 220kV double bundle conductor strain insulator is provided and utilizes this tool belt charged renewal 220kV double bundle conductor strain insulator in order to solve the deficiencies in the prior art, guarantee that transmission line safety under the situation of normal operation that do not have a power failure changes insulator.
The objective of the invention is to be achieved through the following technical solutions.
But the yoke plate of charged for replacement 220kV double bundle conductor strain insulator, this yoke plate comprise arm-tie and the screw mandrel that laterally is coupled to each other; Outer end at arm-tie and screw mandrel is symmetrically installed with relative connecting plate, offers connecting hole at the free end of connecting plate.
Connecting plate of the present invention is a L type connecting plate.Arm-tie, screw mandrel, connecting plate are insulator.
Utilize the method for yoke plate charged for replacement 220kV double bundle conductor strain insulator of the present invention, method step is as follows:
1. yoke plate is hung and rise to job position;
2. the installing hole on two yoke plates on the connecting hole on the connecting plate and the electric power tower cross-arm is aimed at and is connected, finely tune then and tighten up screw mandrel, the yoke plate integral position is aligned with bolt;
The bottle supporting frame that 3. will be loaded with new insulator winches to job position, and bottle supporting frame two ends reliably are installed on two yoke plates by installing hole;
4. regulate once more and tighten up screw mandrel, make the insulator that to change loose, extract the insulator pin of insulator both sides then respectively;
5. change poor insulator, new insulator is installed on two yoke plates by the insulator pin, and the insulator of changing is positioned on the bottle supporting frame;
6. yoke plate and two yoke plates are freed, and yoke plate and bottle supporting frame are reached ground.
The present invention has realized the charged for replacement of 220kV double bundle conductor strain insulator, and operation process is time saving and energy saving, and is safe and reliable.
Further set forth content of the present invention below in conjunction with Figure of description and embodiment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the schematic diagram when utilizing the present invention to change the insulator operation.
Embodiment
As shown in Figure 1, the present invention includes arm-tie 1 and the screw mandrel 2 that laterally is coupled to each other; Outer end at arm-tie and screw mandrel is symmetrically installed with relative connecting plate 3, offers connecting hole 4 at the free end of connecting plate.Connecting plate 3 is a L type connecting plate, and the one end is connected by screw 5 with arm-tie, and the other end offers connecting hole 4.Arm-tie 1, screw mandrel 2, connecting plate 3 are insulator.
As shown in Figure 2, by assembly two yoke plates 7 with one group of installing hole 10 are installed on electric power tower cross-arm 6, insulator 8 is installed on two yoke plates, insulator 8 is installed on two yoke plates 7 by insulator pin 9.When needs are changed insulator 8, operation as follows:
(1) electrician, equipotential electrician wear tower on a complete set of qualified screening clothing on the tower, and equipotential electrician enters electric field along insulator string or from insulated flexible ladder;
(2) electrician, equipotential electrician cooperate on ground electrician and the tower, the present invention is hung rise to job position;
(3) electrician cooperates with the equipotential electrician on the tower, the installing hole on the connecting hole on the connecting plate 34 and two yoke plates 10 is aimed at and is connected with bolt, and the electrician finely tunes and tightens up screw mandrel 2 on the tower then, and the yoke plate integral position is aligned;
(4) electrician, equipotential electrician cooperate on ground electrician and the tower, the bottle supporting frame 11 that is loaded with new insulator is winched to job position, and its two ends reliably are installed on two yoke plates 7 by installing hole;
(5) electrician regulates once more and tightens up screw mandrel 2 on the tower, makes the insulator that will change loose, and electrician, isopotential electrical work point are not extracted the insulator pin 9 of insulator both sides on the tower;
(6) electrician, equipotential electrician, ground electrician cooperate the replacing poor insulator on the tower, new insulator is installed on two yoke plates by the insulator pin, and the insulator of changing is positioned on the bottle supporting frame 11;
(7) electrician, equipotential electrician's cooperation are freed the present invention and two yoke plates, and instruments such as the present invention, bottle supporting frame are reached ground on the tower;
(8) tower under electrician, the equipotential electrician on the tower, end-of-job.
Adopt the present invention, the insulation arm-tie is installed in the outside of insulator string, by tightening up screw mandrel, the horizontal loading that insulator is born shifts; Solve horizontal loading with the bottle supporting frame and shift the vertical load that the back own wt produces, controlled tractive effort simultaneously; Insulator disengaging and lead is electrically connected the most at last.Adopt the operational method of charged for replacement insulator of the present invention, freeing when being specially adapted to charged for replacement 220kV double bundle conductor strain insulator.
Claims (4)
1. but the yoke plate of charged for replacement 220kV double bundle conductor strain insulator is characterized in that, this yoke plate comprises arm-tie (1) and the screw mandrel (2) that laterally is coupled to each other; Be symmetrically installed with relative connecting plate (3) in the outer end of arm-tie and screw mandrel, offer connecting hole (4) at the free end of connecting plate.
2. but the yoke plate of charged for replacement 220kV double bundle conductor strain insulator according to claim 1 is characterized in that, described connecting plate (3) is a L type connecting plate.
3. but the yoke plate of charged for replacement 220kV double bundle conductor strain insulator according to claim 1 is characterized in that, described arm-tie (1), screw mandrel (2), connecting plate (3) are insulator.
4. method of utilizing the described yoke plate charged for replacement of claim 1 220kV double bundle conductor strain insulator is characterized in that method step is as follows:
1. yoke plate is hung and rise to job position;
2. the installing hole (10) on two yoke plates on the connecting hole (4) on the connecting plate (3) and the electric power tower cross-arm is aimed at and is connected, finely tune then and tighten up screw mandrel (2), the yoke plate integral position is aligned with bolt;
The bottle supporting frame (11) that 3. will be loaded with new insulator winches to job position, and bottle supporting frame two ends reliably are installed on two yoke plates (7) by installing hole;
4. regulate once more and tighten up screw mandrel (2), make the insulator that to change loose, extract the insulator pin (9) of insulator both sides then respectively;
5. change poor insulator, new insulator is installed on two yoke plates (7) by insulator pin (9), and the insulator of changing is positioned on the bottle supporting frame (11);
6. yoke plate and two yoke plates (7) are freed, and yoke plate and bottle supporting frame are reached ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910218366A CN101752806A (en) | 2009-12-15 | 2009-12-15 | Connecting plate for replacing 220kV double bundle conductor strain insulator with centricity and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910218366A CN101752806A (en) | 2009-12-15 | 2009-12-15 | Connecting plate for replacing 220kV double bundle conductor strain insulator with centricity and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101752806A true CN101752806A (en) | 2010-06-23 |
Family
ID=42479357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910218366A Pending CN101752806A (en) | 2009-12-15 | 2009-12-15 | Connecting plate for replacing 220kV double bundle conductor strain insulator with centricity and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101752806A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361253A (en) * | 2011-06-16 | 2012-02-22 | 山东电力集团公司济南供电公司 | Insulator changer for 220KV strain insulator-string double-split conductor |
| CN103219671A (en) * | 2013-04-18 | 2013-07-24 | 国家电网公司 | Operating method for replacing 220 kV U210B/170 type strain insulator string in live mode |
| CN103276941A (en) * | 2013-04-27 | 2013-09-04 | 国家电网公司 | Principal material replacing support assembly of electric transmission line tower |
| CN104158111A (en) * | 2013-06-04 | 2014-11-19 | 国家电网公司 | 110 kV power transmission line dead-end insulator string live-line single-to-double operation method |
| CN112202106A (en) * | 2020-10-31 | 2021-01-08 | 国网河南省电力公司平顶山供电公司 | Tool and operation method for replacing double-bundle conductor strain insulator string at earth potential |
| CN113809683A (en) * | 2021-10-25 | 2021-12-17 | 国网四川省电力公司成都供电公司 | Method and system for replacing insulator string |
-
2009
- 2009-12-15 CN CN200910218366A patent/CN101752806A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361253A (en) * | 2011-06-16 | 2012-02-22 | 山东电力集团公司济南供电公司 | Insulator changer for 220KV strain insulator-string double-split conductor |
| CN103219671A (en) * | 2013-04-18 | 2013-07-24 | 国家电网公司 | Operating method for replacing 220 kV U210B/170 type strain insulator string in live mode |
| CN103276941A (en) * | 2013-04-27 | 2013-09-04 | 国家电网公司 | Principal material replacing support assembly of electric transmission line tower |
| CN103276941B (en) * | 2013-04-27 | 2015-12-23 | 国家电网公司 | Electric power line pole tower main material replacing bracket component |
| CN104158111A (en) * | 2013-06-04 | 2014-11-19 | 国家电网公司 | 110 kV power transmission line dead-end insulator string live-line single-to-double operation method |
| CN112202106A (en) * | 2020-10-31 | 2021-01-08 | 国网河南省电力公司平顶山供电公司 | Tool and operation method for replacing double-bundle conductor strain insulator string at earth potential |
| CN113809683A (en) * | 2021-10-25 | 2021-12-17 | 国网四川省电力公司成都供电公司 | Method and system for replacing insulator string |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100623 |