CN109361171A - The fixture of replaceable first and last piece insulator - Google Patents
The fixture of replaceable first and last piece insulator Download PDFInfo
- Publication number
- CN109361171A CN109361171A CN201811314285.0A CN201811314285A CN109361171A CN 109361171 A CN109361171 A CN 109361171A CN 201811314285 A CN201811314285 A CN 201811314285A CN 109361171 A CN109361171 A CN 109361171A
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- CN
- China
- Prior art keywords
- insulator
- sub
- pieces
- yoke plate
- fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The fixture of replaceable first and last piece insulator, belongs to interruption maintenance and hotline maintenance field.Solve the problems, such as that existing replacement insulator clamp apparatus can not replace the first, last piece insulator in insulator chain.The present invention includes closed clip, the telescopic lead screw in two both ends and bent yoke plate；It is fixedly connected between closed clip and bent yoke plate by two lead screws；Housing insulation sub-pieces group is used between closed clip and bent yoke plate, sub-pieces group to be that any N number of adjacent sub-pieces are constituted in insulator chain, is respectively defined as first to n-th sub-pieces；Closed clip is used to be fixed on the rigid cap of first sub-pieces；It is set on bent yoke plate there are three hole, a hole is fixed on conducting wire by bowl head, and other two apertures are twisted by the steel that connecting line is fixed on n-th sub-pieces, and n-th sub-pieces are first or tailpiece insulator in insulator chain.The present invention can replace first and last piece insulator.
Description
Technical field
The invention belongs to interruption maintenances and hotline maintenance field.
Background technique
The self-destruction insulator of any position in replacement strain insulator string centre in the prior art, can be used closed fixture
It carries out, referring specifically to Fig. 1.Existing closed fixture is easy to operate, can replace any position among strain insulator string in time
Monolithic edge, shorten power off time, still, there is also sizable disadvantage, the closed cards for the existing closed fixture
Tool can not replace the first, last piece insulator first, last piece insulator in strain insulator string close to conducting wire or cross-arm side.
Because without dedicated replacement first, last piece insulator special mould clamp, when first and last piece insulator breakdown, more using zipper calabash
It changes, when replacing the first, last piece insulation sub-operation in insulator chain using zipper calabash, needs two people of high altitude operation personnel, a people
In cross-arm side, zipper calabash is connected on duplex plate by a people in side of wire, and guide chain is pulled to shift load, and such as overtension is gone back
Two people are needed to operate guide chain together, after transfer load, insulator chain is naturally drooped, and you must use iron wire and ties up insulator chain
It pricks and makes on fixed chain in zipper calabash, 220 kilovolts of strain insulators need to bind 3-4 point, first removing because of the reason of binding
Because the gap dismounting that becomes smaller is restricted when piece insulator, first insulator is not often torn open not get off, and can only be torn open one by one from the 3rd or 4
Except being replaced to first, after recovery sequence is replaced on the contrary, pull on guide chain transfer load to insulator chain, dismounting is tied up
The characteristics of bundle iron wire, withdraws from setting, this operation terminates, such operation is to take time and effort, and cumbersome, the activity duration is long,
Nearly 40 minutes of whole used time.
In conclusion easy to operate being conveniently replaceable first, last piece insulator in strain insulator string it is urgent to provide a kind of
Special mould clamp.
Summary of the invention
The present invention is to solve existing replacement insulator clamp apparatus and can not replace first, last piece insulator in insulator chain
Problem, the present invention provides a kind of fixtures of replaceable first and last piece insulator.
The fixture of replaceable first and last piece insulator, including closed clip and two telescopic lead screws in both ends；Further include
Bent yoke plate；
It is fixedly connected between closed clip and bent yoke plate by two lead screws；
Lead screw adjustable closed clip and bent the distance between yoke plate；
Housing insulation sub-pieces group is used between closed clip and bent yoke plate, the sub-pieces group to be insulator
Any N number of adjacent sub-pieces are constituted in string, and N number of adjacent sub-pieces are respectively defined as first to n-th sub-pieces,
N is the integer more than or equal to 3；
Closed clip is used to be fixed on the rigid cap of first sub-pieces；
It is set on bent yoke plate there are three hole, a respectively conducting wire fixation hole, two steel twist fixation hole, and conducting wire is fixed
Hole is fixed on conducting wire by bowl head, and two steel twist fixation hole and twisted by the steel that connecting line is fixed on n-th sub-pieces, institute
The n-th sub-pieces stated are first or tailpiece insulator in insulator chain.
Preferably, bent yoke plate includes a subtending board and two subtending boards；
It after one subtending board and two subtending boards stack, is fixedly connected by bolt, and the two can relatively rotate；
One conducting wire fixation hole and two steel twist fixation hole and are arranged on a subtending board.
Preferably, a subtending board is isosceles triangular structure, and conducting wire fixed hole position is in isosceles triangular structure
Apex angle on, two steel twist fixation holes and are located on two base angles of isosceles triangular structure.
When replacing first insulator, high altitude operation personnel 1 is needed, fixture is fixed in sub-pieces group by when operation, respectively
After portion connects, tighten screw shifts load, so that sub-pieces group is obtained tension and is transferred to the closed clip of fixture and bent
Yoke plate on, remove self-destruction insulator, more renew insulator, by load transfer to insulator chain after connecting, remove fixture
Setting is withdrawn from, operation terminates.It the entire process have about 15-20 minutes.Entire replacement process is easy to operate, saves manpower, and the activity duration is short.
It, cannot except except the insulator where closed clip in the sub-pieces group that fixture of the present invention is fixed in this demolishing process
Replacement is outer, and replacement can be achieved in other all insulators.
The invention has the beneficial effects that the fixture solution of replaceable first and last piece insulator of the present invention has existing skill
Can not be to first, last piece insulator in insulator chain in art the problem of, the present invention can first, last piece insulator in insulator chain into
Row replacement, or even all insulators in insulator chain are replaced to achievable, it is easy to change, it is easy to operate.
Detailed description of the invention
Fig. 1 is the closed fixture of the self-destruction insulator of any position in replacement strain insulator string centre in the prior art
Structural schematic diagram；
Fig. 2 is the fixture of replaceable first and last piece insulator of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
Its embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Specific embodiment 1: illustrate present embodiment referring to fig. 2, replaceable first and last piece insulation described in present embodiment
The fixture of son, including the telescopic lead screw 2 of closed clip 1 and two both ends；It further include bent yoke plate 3；
It is fixedly connected between closed clip 1 and bent yoke plate 3 by two lead screws 2；
2 adjustable closed clip 1 of lead screw and bent the distance between yoke plate 3；
Housing insulation sub-pieces group is used between closed clip 1 and bent yoke plate 3, the sub-pieces group to be insulation
Any N number of adjacent sub-pieces are constituted in substring, and N number of adjacent sub-pieces are respectively defined as first to n-th insulator
Piece, N are the integer more than or equal to 3；
Closed clip 1 is used to be fixed on the rigid cap of first sub-pieces；
It is set on bent yoke plate 3 there are three hole, a respectively conducting wire fixation hole 3-1-1, two steel twist fixation hole 3-
1-2, conducting wire fixation hole 3-1-1 are fixed on conducting wire by bowl head, and two steel twist fixation hole 3-1-2 and are fixed on the by connecting line
On the steel of N number of sub-pieces twists, the n-th sub-pieces are first or tailpiece insulator in insulator chain.
In present embodiment, single sub-pieces include insulating body, and the side of insulating body is equipped with rigid cap, the other side
It is twisted equipped with steel, insulator chain is inserted into the rigid cap of previous sub-pieces by the steel strand of the latter sub-pieces, is successively installed
Form insulator chain.
When replacing first insulator, high altitude operation personnel 1 is needed, fixture is fixed in sub-pieces group by when operation, respectively
After portion connects, tighten screw shifts load, sub-pieces group is made to obtain closed clip 1 and bendable that tension is transferred to fixture
On the yoke plate 3 of folding, self-destruction insulator is removed, insulator is more renewed, by load transfer to insulator chain after connecting, removes card
Tool withdraws from setting, and operation terminates.It the entire process have about 15-20 minutes.Entire replacement process is easy to operate, saves manpower, activity duration
It is short.In this demolishing process, in the sub-pieces group that fixture of the present invention is fixed, except except the insulator where closed clip 1
Outer, the achievable replacement of other all insulators cannot be replaced.
When replacing first insulator using the fixture of replaceable first and last piece insulator of the present invention, and zipper calabash is used
Reed replacing options compare, and reduce by 1 high altitude operation personnel, reduce high altitude operation risk 50%, and the used time reduces about 50%, can increase
The amount of power added conveying, increases economic efficiency.
The fixture of replaceable first and last piece insulator of the present invention is not only may be used in the equipment of interruption maintenance, in band
Electric operation is replaced first insulation subjob and be can also be used.220 kilovolts of strain insulator string the piece numbers are no less than 14, and regulation provides band
220 kilovolts of insulators of electric operation keep good insulation sub-pieces number to be no less than 9, replaceable first and last piece insulator of the present invention
Fixture is shorted 3 when replacing insulator, meets regulation regulation, and equipotential, earth potential working can be used.
In live-line replacing strain insulator string it is any it is a piece of all must use bottle-holding rack, need high altitude operation personnel
Two.The advantages of fixture of replaceable first and last piece insulator of the present invention, is mainly reflected in first insulator of earth potential replacement
On, 1 people operation, operating personnel wears screening clothing progress, reduces by a high altitude operation personnel, reduces high altitude operation risk.Equipotential
It uses, yet easy operation sequence does not use bottle-holding rack, convenient transportation.
Specific embodiment 2: illustrating present embodiment referring to fig. 2, described in present embodiment and specific embodiment one
The difference of the fixture of replaceable first and last piece insulator is that bent yoke plate 3 includes a subtending board 3-1 and two subtending board 3-2；
After one subtending board 3-1 and two subtending board 3-2 is stacked, it is fixedly connected by bolt, and the two can relatively rotate；One
Conducting wire fixation hole 3-1-1 and two steel twist fixation hole 3-1-2 and are arranged on a subtending board 3-1.
In present embodiment, bent yoke plate 3 includes a subtending board 3-1 and two subtending board 3-2, be ensure that bent
The flexibility that yoke plate 3 operates.
Specific embodiment 3: illustrating present embodiment referring to fig. 2, described in present embodiment and specific embodiment two
The difference of the fixture of replaceable first and last piece insulator is that a subtending board 3-1 is isosceles triangular structure, and conducting wire is fixed
Hole 3-1-1 is located on the apex angle of isosceles triangular structure, and two steel twist fixation hole 3-1-2 and are located at isosceles triangular structure
On two base angles.
In present embodiment, three holes on bent yoke plate 3 are located at three vertex of isosceles triangular structure
On, it ensure that the uniform force in three holes, ensure that the stationarity of insulator to be replaced, replacement is convenient.
Although describing the present invention herein with reference to specific embodiment, it should be understood that, these realities
Apply the example that example is only principles and applications.It should therefore be understood that can be carried out to exemplary embodiment
Many modifications, and can be designed that other arrangements, without departing from spirit of the invention as defined in the appended claims
And range.It should be understood that different appurtenances can be combined by being different from mode described in original claim
Benefit requires and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used
Other embodiments.
Claims (3)
1. the fixture of replaceable first and last piece insulator, including closed clip (1) and two telescopic lead screws in both ends (2)；Its
It is characterized in that, further includes bent yoke plate (3)；
It is fixedly connected between closed clip (1) and bent yoke plate (3) by two lead screws (2)；
Lead screw (2) adjustable closed clip (1) and bent the distance between yoke plate (3)；
Housing insulation sub-pieces group is used between closed clip (1) and bent yoke plate (3), the sub-pieces group to be insulation
Any N number of adjacent sub-pieces are constituted in substring, and N number of adjacent sub-pieces are respectively defined as first to n-th insulator
Piece, N are the integer more than or equal to 3；
Closed clip (1) is used to be fixed on the rigid cap of first sub-pieces；
It is set on bent yoke plate (3) there are three hole, a respectively conducting wire fixation hole (3-1-1), two steel twist fixation hole (3-
1-2), conducting wire fixation hole (3-1-1) is fixed on conducting wire by bowl head, and it is solid by connecting line that two steel twist fixation hole (3-1-2)
The steel for being scheduled on n-th sub-pieces twists, and the n-th sub-pieces are first or tailpiece insulator in insulator chain.
2. the fixture of replaceable first and last piece insulator according to claim 1, which is characterized in that bent yoke plate (3)
Including a subtending board (3-1) and two subtending boards (3-2)；
After one subtending board (3-1) and two subtending boards (3-2) stack, it is fixedly connected by bolt, and the two can relatively rotate；
One conducting wire fixation hole (3-1-1) and two steel twist fixation hole (3-1-2) and are arranged on a subtending board (3-1).
3. the fixture of replaceable first and last piece insulator according to claim 2, which is characterized in that a subtending board
(3-1) is isosceles triangular structure, and conducting wire fixation hole (3-1-1) is located on the apex angle of isosceles triangular structure, and two steel twist solid
Determine hole (3-1-2) to be located on two base angles of isosceles triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314285.0A CN109361171A (en) | 2018-11-06 | 2018-11-06 | The fixture of replaceable first and last piece insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314285.0A CN109361171A (en) | 2018-11-06 | 2018-11-06 | The fixture of replaceable first and last piece insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109361171A true CN109361171A (en) | 2019-02-19 |
Family
ID=65344248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811314285.0A Pending CN109361171A (en) | 2018-11-06 | 2018-11-06 | The fixture of replaceable first and last piece insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109361171A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366601A (en) * | 2020-11-27 | 2021-02-12 | 国网四川省电力公司检修公司 | Duplex strain end clamp |
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|---|---|---|---|---|
| CN201178266Y (en) * | 2008-04-02 | 2009-01-07 | 云南电网公司大理供电局 | Clamp apparatus live replacing dual insulator of 500kV terminal |
| JP2013046535A (en) * | 2011-08-26 | 2013-03-04 | Tokyo Electric Power Co Inc:The | Replacing unit for insulator or the like of insulator device for power transmission |
| CN203339571U (en) * | 2013-07-30 | 2013-12-11 | 云南电网公司红河供电局 | Bending board card for replacing 110/220kV double-string tension insulator string |
| JP2014183688A (en) * | 2013-03-21 | 2014-09-29 | Chugoku Electric Power Co Inc:The | Load cancellation device for insulator |
| CN104682262A (en) * | 2015-02-12 | 2015-06-03 | 中国南方电网有限责任公司超高压输电公司百色局 | Conductor end fixture for replacing first insulator at conductor end of single-link suspension insulator string and application of conductor end fixture |
| CN206401809U (en) * | 2016-12-05 | 2017-08-11 | 中国南方电网有限责任公司超高压输电公司百色局 | Change compact transmission line inverse, the fixture along number first insulator |
| CN107465145A (en) * | 2017-09-13 | 2017-12-12 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of operating method and special mould clamp for changing first self-destruction insulator |
-
2018
- 2018-11-06 CN CN201811314285.0A patent/CN109361171A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201178266Y (en) * | 2008-04-02 | 2009-01-07 | 云南电网公司大理供电局 | Clamp apparatus live replacing dual insulator of 500kV terminal |
| JP2013046535A (en) * | 2011-08-26 | 2013-03-04 | Tokyo Electric Power Co Inc:The | Replacing unit for insulator or the like of insulator device for power transmission |
| JP2014183688A (en) * | 2013-03-21 | 2014-09-29 | Chugoku Electric Power Co Inc:The | Load cancellation device for insulator |
| CN203339571U (en) * | 2013-07-30 | 2013-12-11 | 云南电网公司红河供电局 | Bending board card for replacing 110/220kV double-string tension insulator string |
| CN104682262A (en) * | 2015-02-12 | 2015-06-03 | 中国南方电网有限责任公司超高压输电公司百色局 | Conductor end fixture for replacing first insulator at conductor end of single-link suspension insulator string and application of conductor end fixture |
| CN206401809U (en) * | 2016-12-05 | 2017-08-11 | 中国南方电网有限责任公司超高压输电公司百色局 | Change compact transmission line inverse, the fixture along number first insulator |
| CN107465145A (en) * | 2017-09-13 | 2017-12-12 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of operating method and special mould clamp for changing first self-destruction insulator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366601A (en) * | 2020-11-27 | 2021-02-12 | 国网四川省电力公司检修公司 | Duplex strain end clamp |
| CN112366601B (en) * | 2020-11-27 | 2022-04-15 | 国网四川省电力公司检修公司 | Duplex strain end clamp |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190219 |
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