CN105185627B - A kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position - Google Patents
A kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position Download PDFInfo
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- CN105185627B CN105185627B CN201510556915.5A CN201510556915A CN105185627B CN 105185627 B CN105185627 B CN 105185627B CN 201510556915 A CN201510556915 A CN 201510556915A CN 105185627 B CN105185627 B CN 105185627B
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- China
- Prior art keywords
- disconnecting switch
- moving contact
- contact position
- endoscope
- place
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
Abstract
The invention discloses a kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position, comprise the following steps：1）In installation and filling SF6Before gas, GIS device can position of opening insert endoscope to contact position；2）Whether in place to observe disconnecting switch moving contact position, if disconnecting switch moving contact position is not in place, then disassemble disconnecting switch interphase connecting rod, adjust gear drive output corner, adjust the process of motor-operating mechanism, then adjustment A, B, C isolates switch to in-place closing position respectively, installs disconnecting switch interphase connecting rod；3）Extract endoscope out；4）Seal and opening；5）, filling SF6Gas.The present invention has adjustment time short, and efficiency, accuracy rate are high, and operation is easy in visualization, and required staff is few, and avoids excluding SF6The advantages of gas causes environmental pollution, is particularly suitable for the adjustment of newly-built GIS device disconnecting switch moving contact position.
Description
Technical field
The present invention relates to a kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position,
Belong to the newly-built adjustment technology field of GIS device.
Background technology
Electric power GIS equipment is by breaker, disconnecting switch, earthed switch, transformer, arrester, bus, connector and gone out
The abbreviation of the combined electrical apparatus of the compositions such as line terminal, these equipment or part are all enclosed in the shell of metallic ground, in it
SF of the portion filled with certain pressure6Insulating gas, therefore also referred to as SF6Fully closed combined electric unit.Compared with conventional substation (AIS), GIS
It is easy for installation with compact conformation, and the advantages of the influence of Natural environment factors such as not contaminated and rain, salt fog.
In electric power GIS device components, disconnecting switch is mainly used for circuit no current and puts into and cut off, its moving contact peace
In grading shield, switching is realized by motor, transmission device, the effect for ensureing electric fields uniform is primarily served.The course of work
In, if moving contact position is not in place, electric field can be caused uneven, electric arc does not go out, and then electric discharge, scaling loss equipment, influence GIS to set
Standby safe and stable operation, and the problems such as jeopardize power grid security.Found through correlative study analysis, moving contact return reason not in place
Have：System tolerance, producer's adjusting process is improper, and adjustment peopleware is bad, and positioning hole is forbidden, and installation checks and accepts not in place etc.
Factor.For the adjustment of moving contact, equipment is not dismantled substantially after being installed due to producer, and this gives the accurate adjustment band of moving contact position
Come difficult.Conventional needle has certain limitation to the method for adjustment of moving contact, and wherein positioning hole method has busy tune, inefficiency
Under, adjustment amount can not quantify in advance, adjust the low problem of accuracy rate；There is testing cost height in digital radial auxiliary law, the cycle is long,
It is dangerous big, and required personnel it is many problems such as.
The content of the invention
The technical problem to be solved in the present invention：One kind is provided and adjusts newly-built GIS device disconnecting switch using Endoscope-assisted
The method of moving contact position, short with adjustment time, efficiency, accuracy rate are high, and operation is easy in visualization, and required staff is few,
And avoid excluding SF6The advantages of gas causes environmental pollution, to overcome the deficiencies in the prior art.
Technical scheme：One kind adjusts newly-built GIS device disconnecting switch moving contact position using Endoscope-assisted
Method, it comprises the following steps：
1）, in installation and filling SF6Before gas, GIS device can position of opening insert endoscope to contact position；
2）, observation disconnecting switch moving contact position whether in place, if disconnecting switch moving contact position is not in place, disassemble
Disconnecting switch A, B, C three-phase interphase connecting rod, adjusts gear drive output corner, adjusts the process of motor-operating mechanism, so
Adjustment A, B, C isolates switch to in-place closing position respectively afterwards, installs disconnecting switch interphase connecting rod；
3）, extract out endoscope；
4）, seal and opening；
5）, filling SF6 gases.
Foregoing adjustment gear drive output corner process is as follows：By gear drive from open position to closing position
Put direction and rotate 66 degree~68 degree.
Described A, B, C isolate switch, and position is to touch stationary contact head status from moving contact rigid connection to continue to turn round to combined floodgate direction in place
Turn connecting lever, until disconnecting switch moving contact inserts the position to surveying radome depth 40mm.
The moving contact rigid connection touches stationary contact head status for the conductor of disconnecting switch fracture both sides is extracted with wire, respectively
It is connected on the test pencil of universal meter two, universal meter start is adjusted to buzzing shelves, disconnecting switch is pulled to separating brake manually with three-jaw frock and arrived
Bottom position, then closing by hand, when state when ringing logical to universal meter of closing a floodgate.
Compared with traditional method of adjustment, the present invention adjusts newly-built GIS device disconnecting switch by using Endoscope-assisted and moved
The method of contact position, in filling SF6It is adjusted before gas, is thus avoided that harmful SF6Gas pollution on the environment
Problem；Simultaneously because adjustment visualization, the time so not only adjusted is reduced, regulated efficiency is improved, and adjustment
Accuracy rate can also be greatly improved.And required staff is less, substantial amounts of man power and material can be saved.
Embodiment
Embodiment：
The method that the present invention adjusts newly-built GIS device disconnecting switch moving contact position using Endoscope-assisted includes following step
Suddenly：
1）, in installation and filling SF6Before gas, GIS device can position of opening insert endoscope to contact position；
2）, observation disconnecting switch moving contact position whether in place, if disconnecting switch moving contact position is not in place, disassemble
Disconnecting switch A, B, C three-phase interphase connecting rod, adjusts gear drive output corner, adjusts the process of motor-operating mechanism, so
Adjustment A, B, C isolates switch to in-place closing position respectively afterwards；
Wherein disassembling disconnecting switch A, B, C three-phase interphase connecting rod process is：（1）Disassemble straight line isolation A, B, C three-phase alternate
Connecting rod, method unclamps connecting bar locking nut to remove split pin with nipper plier with outer hexagonal spanner, removes joint pivot pin, pulls down
Connecting rod；（2）Disassemble isolating switch mechanism connecting lever and connecting rod（Short connecting rod）, method is to remove split pin with nipper plier, uses outer-hexagonal
Spanner unclamps connecting bar locking nut, removes joint pivot pin, pulls down connecting rod.
Secondly gear drive output corner is adjusted, before adjustment first sampling mechanism output corner, mechanism is electronic extremely to be divided
Pointer, is fixed on mechanism connecting lever by gate position with magnet, now the indicating graduation F on reading mechanism case dial, then will
Mechanism is electronic to closing position, the indicating graduation H on reading mechanism case dial, and quarter numerical value twice is added and can obtain machine
The output corner value of structure actual measurement, typically rotates 66 degree~68 degree from open position to closing position.
Then the process of motor-operating mechanism is adjusted, by the separating brake cam pin of sector gear inside motor-operating mechanism to angle
The direction adjustment of degree increase, notices that two relative pins will be adjusted together, direction is consistent with angle, during adjustment, one during adjustment
Outer hexagonal spanner loosening nut, the direction eccentric pin that another outer hexagonal spanner increases to angle tunes angle control about
30~45 degree, after the completion of, by the nut-locking of cam pin；Then motor-operating mechanism separating brake, observes the defeated of gear drive
Go out the corner increase number of degrees, if output corner increase is inadequate, repeat to adjust；Spacing angle steel is installed in place；It will divide after reset
The locknut of lock overshoot stop screw is released, according to the new position after the completion of fan-shaped gear wheel separating brake, separating brake stop screw is downward
It is threaded to after contact gear, then returns stubborn 3 circle,, can be with motor-operating mechanism after the completion of above step by screw nut-locking after fixing
Splitting or integrating lock is acted several times, the stability state of observation gear drive corner output, including travel switch folding, auxiliary switch
Switching action whether in place, after after gear drive having stable behavior, just can recover installing mechanism case cover, set-up procedure is complete
Finish.
Finally A, B, C three-phase isolation switch body are adjusted.Dial is fixed on isolation crank arm box flange；Will
The conductor that A isolates switch fracture both sides is extracted with wire, is respectively connected on the test pencil of universal meter two, and universal meter start is adjusted to
Buzzing shelves, are manually pulled disconnecting switch to separating brake position on earth with three-jaw frock, then closing by hand, when closing a floodgate to universal meter ring
When logical, now A, which isolates fracture and is in moving contact rigid connection, touches stationary contact head status, with marking pen record now pointer on dial
Position；Then reverse connecting lever to continue to close a floodgate, according to " straight line isolation calculation ", continue to reverse connecting lever 11.54 to combined floodgate direction
Degree, now disconnecting switch moving contact insertion is 40mm, i.e. in-place closing position to the depth for surveying radome；Will with same method
B phases and C isolate switch and adjusted to in-place closing position.Rotated clockwise in mediation process as separating brake, rotate counterclockwise for
Close a floodgate.
After disconnecting switch moving contact position adjustment in place, straight line disconnecting switch interphase connecting rod is reconnected, worn
Enter pivot pin positioning linkage rod joint, the appropriate adjustment position of twisted connecting rod body of rod locking body of rod two ends locknut afterwards between two parties, now connecting rod and
Connecting lever does not stress.
Before slew gear is connected short connecting rod with body, unloaded separating/closing mechanism 1 time makes motor-operating mechanism be in closing position
Put.The short connecting rod that slew gear is connected with body；Pivot pin is inserted, being unclamped the locknut of connecting rod two ends more.Then, manual pretension
Short connecting rod.Continued to tighten up short connecting rod with spanner, drive body connecting lever to rotate, make pointer continue to deflect about 3 degree, note to closing position
Short connecting rod two ends locknut is released during anticipating now.After in place, locking short connecting rod two ends locknut adjusts end of operation.
Note：During locking nut, with two spanners, one fixed core, another locking nut, must not use one
Spanner is operated, in order to avoid make connecting rod receipts short or push away length.
3）, extract out endoscope；
4）, seal and opening；
5）, filling SF6Gas.
Claims (1)
1. a kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position, it is characterised in that：It
Comprise the following steps：
1）, in installation and filling SF6Before gas, GIS device can position of opening insert endoscope to contact position；
2）, observation disconnecting switch moving contact position whether in place, if disconnecting switch moving contact position is not in place, disassemble isolation
A, B, C three-phase interphase connecting rod are switched, gear drive output corner is adjusted, the process of motor-operating mechanism, Ran Houfen is adjusted
Not Tiao Zheng A, B, C isolate switch to in-place closing position, disconnecting switch interphase connecting rod is installed；
3）, extract out endoscope；
4）, seal and opening；
5）, filling SF6Gas；
Wherein, adjustment gear drive output corner process is as follows：By gear drive from open position to closing position
Direction rotates 66 degree~68 degree；Described A, B, C isolate switch, and position is to touch stationary contact head status to conjunction from moving contact rigid connection in place
Lock direction continues to reverse connecting lever, until disconnecting switch moving contact inserts the position to surveying radome depth 40mm；The moving contact
Rigid connection touches stationary contact head status for the conductor of disconnecting switch fracture both sides is extracted with wire, is respectively connected to the test pencil of universal meter two
On, universal meter start is adjusted to buzzing shelves, disconnecting switch is pulled to separating brake position on earth manually with three-jaw frock, then closed manually
Lock, when state when ringing logical to universal meter of closing a floodgate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510556915.5A CN105185627B (en) | 2015-09-06 | 2015-09-06 | A kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510556915.5A CN105185627B (en) | 2015-09-06 | 2015-09-06 | A kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position |
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| Publication Number | Publication Date |
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| CN105185627A CN105185627A (en) | 2015-12-23 |
| CN105185627B true CN105185627B (en) | 2017-08-25 |
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| CN201510556915.5A Active CN105185627B (en) | 2015-09-06 | 2015-09-06 | A kind of method that utilization Endoscope-assisted adjusts newly-built GIS device disconnecting switch moving contact position |
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| CN109668913A (en) * | 2018-11-30 | 2019-04-23 | 贵州电网有限责任公司 | It is opened using digital radial measurement GIS device breaker away from the method for judging transmission system quality of connection |
| CN109846455A (en) * | 2019-03-25 | 2019-06-07 | 中山大学孙逸仙纪念医院 | A kind of percutaneous backbone new endoscopic in big channel suitable for fusion device under mirror |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203445502U (en) * | 2013-07-24 | 2014-02-19 | 北京电研华源电力技术有限公司 | Disconnection point observation device |
| CN104283144A (en) * | 2013-07-01 | 2015-01-14 | 北京电研华源电力技术有限公司 | Method for observing isolating switch break of ring main unit and device thereof |
-
2015
- 2015-09-06 CN CN201510556915.5A patent/CN105185627B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283144A (en) * | 2013-07-01 | 2015-01-14 | 北京电研华源电力技术有限公司 | Method for observing isolating switch break of ring main unit and device thereof |
| CN203445502U (en) * | 2013-07-24 | 2014-02-19 | 北京电研华源电力技术有限公司 | Disconnection point observation device |
Non-Patent Citations (1)
| Title |
|---|
| "220 kV GIS隔离开关触头烧坏故障分析与对策";黄辉敏等;《广西电力》;20141231;70-72 * |
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