CN105185627A - Method for auxiliary adjustment of moving contact positions of isolating switches of newly-built geographic information system (GIS) equipment employing endoscopes - Google Patents
Method for auxiliary adjustment of moving contact positions of isolating switches of newly-built geographic information system (GIS) equipment employing endoscopes Download PDFInfo
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- CN105185627A CN105185627A CN201510556915.5A CN201510556915A CN105185627A CN 105185627 A CN105185627 A CN 105185627A CN 201510556915 A CN201510556915 A CN 201510556915A CN 105185627 A CN105185627 A CN 105185627A
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- Prior art keywords
- moving contact
- isolating switch
- newly
- built
- isolating switches
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a method for auxiliary adjustment of moving contact positions of isolating switches of newly-built geographic information system (GIS) equipment employing endoscopes. The method comprises the following steps: (1) before ending installation and filling an SF6 gas, inserting the endoscopes into the contact positions at opening positions of the GIS equipment; (2) observing whether the moving contact positions of the isolating switches are in place or not, if not, disassembling inter-phase connecting rods of the isolating switches, adjusting an output rotation range of a gear transmission mechanism, adjusting the progress of an electric operating mechanism, respectively adjusting A, B and C phase isolating switches to switch-on positions and installing the inter-phase connecting rods of the isolating switches; (3) drawing out the endoscopes; (4) sealing openings; and (5) filling the SF6 gas. The method has the advantages of being short in adjusting time, high in efficiency and accuracy rate, visual, convenient to operate, few in required workers and the like, and is especially suitable for adjustment of the moving contact positions of the isolating switches of the newly-built GIS equipment; and the environmental pollution caused by eliminating the SF6 gas is avoided.
Description
Technical field
The present invention relates to a kind of method utilizing Endoscope-assisted to adjust newly-built GIS device isolating switch moving contact position, belong to the newly-built adjustment technology field of GIS device.
Background technology
The abbreviation of the combined electrical apparatus that electric power GIS equipment is made up of circuit breaker, isolating switch, earthed switch, instrument transformer, lightning arrester, bus, connector and outlet terminal etc., these equipment or parts are all enclosed in the shell of metallic ground, are filled with the SF of certain pressure therein
6insulating gas, therefore also claim SF
6fully closed combined electric unit.Compared with conventional substation (AIS), GIS has compact conformation, easy for installation, and the advantage such as the impact of the not contaminated and Natural environment factors such as rain, salt fog.
In electric power GIS device components, isolating switch mainly drops into and excision for circuit no current, and its moving contact is arranged in grading shield, realizes switching by motor, transmission device, mainly plays the effect ensureing electric fields uniform.In the course of work, if moving contact position is not in place, electric field can be caused uneven, and electric arc does not go out, so electric discharge, scaling loss equipment, affect GIS device safe and stable operation, and jeopardize the problems such as power grid security.Analyze through correlative study and find, moving contact return reason not in place has: system tolerance, and producer's adjusting process is improper, and adjustment peopleware is bad, and location hole is forbidden, and the factors such as not in place are checked and accepted in installation.For the adjustment of moving contact, install rear equipment due to producer and substantially do not dismantle, this brings difficulty to the accurate adjustment of moving contact position.The method of adjustment of conventional needle to moving contact has certain limitation, and wherein location hole method exists busy tune, the problems such as operating efficiency is low, and adjustment amount can not quantize in advance, and adjustment accuracy rate is low; It is high to there is testing cost in digital radial auxiliary law, and the cycle is long, dangerous large, and the problem such as required personnel are many.
Summary of the invention
The technical problem to be solved in the present invention: a kind of method utilizing Endoscope-assisted to adjust newly-built GIS device isolating switch moving contact position is provided, have regulation time short, efficiency, accuracy rate are high, visual convenient operation, required staff is few, and avoids getting rid of SF
6gas causes the advantages such as environmental pollution, to overcome the deficiencies in the prior art.
Technical scheme of the present invention: a kind of method utilizing Endoscope-assisted to adjust newly-built GIS device isolating switch moving contact position, it comprises the following steps:
1), at installation and filling SF
6before gas, endoscope can be inserted to contact position by position of opening in GIS device;
2), observe isolating switch moving contact position whether to put in place, if isolating switch moving contact position is not in place, then disassemble isolating switch A, B, C three-phase interphase connecting rod, adjustment gear drive output corner, the process of adjustment motor-operating mechanism, then adjust the isolated switch of A, B, C respectively to the position that puts in place of closing a floodgate, isolating switch interphase connecting rod is installed;
3), endoscope is extracted out;
4), seal and opening;
5), filling SF6 gas.
Aforementioned adjustment gear drive output corner process is as follows: gear drive is rotated 66 degree ~ 68 degree from open position to closing position direction.
The isolated switch of described A, B, C puts position in place for just having contacted fixed contact state from moving contact to combined floodgate direction continuation torsion connecting lever, until isolating switch moving contact inserts the position to surveying radome degree of depth 40mm.
It is extracted by the conductor wire of isolating switch fracture both sides that described moving contact has just contacted fixed contact state, be connected on universal instrument two test pencil respectively, universal instrument start is adjusted to buzzing shelves, manually isolating switch is pulled to separating brake position on earth by three-jaw frock, then closing by hand, the state when closing a floodgate logical to universal instrument ring.
Compared with traditional method of adjustment, the method for the present invention by utilizing Endoscope-assisted to adjust newly-built GIS device isolating switch moving contact position, at filling SF
6gas advance Row sum-equal matrix, so just can avoid harmful SF
6gas pollution on the environment problem; Simultaneously visual owing to adjusting, the time so not only adjusted is shortened, and regulated efficiency is improved, and adjustment accuracy rate also can be improved greatly.And required staff is less, a large amount of man power and materials can be saved.
Embodiment
Embodiment:
The method that the present invention utilizes Endoscope-assisted to adjust newly-built GIS device isolating switch moving contact position comprises the following steps:
1), at installation and filling SF
6before gas, endoscope can be inserted to contact position by position of opening in GIS device;
2), observe isolating switch moving contact position whether to put in place, if isolating switch moving contact position is not in place, then disassemble isolating switch A, B, C three-phase interphase connecting rod, adjustment gear drive output corner, the process of adjustment motor-operating mechanism, then adjusts the isolated switch of A, B, C respectively to the position that puts in place of closing a floodgate;
Wherein disassembling isolating switch A, B, C three-phase interphase connecting rod process is: (1) disassembles straight line isolation A, B, C three-phase interphase connecting rod, and method, for take off split pin with nipper pliers, unclamps connecting bar locking nut 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, for take off split pin with nipper pliers, unclamps connecting bar locking nut with outer hexagonal spanner, removes joint pivot pin, pulls down connecting rod.
Secondly adjustment gear drive output corner, first sampling mechanism output corner before adjustment, mechanism is electronic to open position, with magnet, pointer is fixed on mechanism's connecting lever, indicating graduation F now on reading mechanism case dial, then by electronic for mechanism to closing position, the indicating graduation H on reading mechanism case dial, the numerical value at quarter of twice is added the output corner value that can obtain mechanism's actual measurement, from open position to closing position, generally rotates 66 degree ~ 68 degree.
Then the process of motor-operating mechanism is adjusted, by the separating brake cam pin of inner for motor-operating mechanism sector gear to the direction adjustment that angle increases, notice during adjustment that two relative pins will be adjusted together, direction and angle want consistent, during adjustment, and an outer hexagonal spanner loosening nut, another outer hexagonal spanner is to the direction tuningout core pin that angle increases, tune Angle ambiguity at about 30 ~ 45 degree, after completing, by the nut-locking of cam pin; Then motor-operating mechanism separating brake, the output corner observing gear drive increases the number of degrees, if output corner increases not, then repeats adjustment; Spacing angle steel is in place; After reset, the locknut of separating brake overshoot stop screw is got loose, reposition after completing according to fan-shaped gear wheel separating brake, after separating brake stop screw being threaded to contact gear downwards, return stubborn 3 circles again, by screw nut-locking after fixing, after above step completes, can the action of motor-operating mechanism splitting or integrating lock several times, observe the stability state that gear drive corner exports, comprise travel switch folding, whether the switching action of auxiliary switch put in place, after gear drive having stable behavior, just can recover installing mechanism case cover, set-up procedure is complete.
Finally A, B, C three-phase isolation switch body is adjusted.Dial is fixed on isolation crank arm box flange; The conductor wire of isolated for A switch fracture both sides is extracted, be connected on universal instrument two test pencil respectively, universal instrument start is adjusted to buzzing shelves, manually isolating switch is pulled to separating brake position on earth by three-jaw frock, then closing by hand, when closing a floodgate logical to universal instrument ring, now the isolated fracture of A is in moving contact and has just contacted fixed contact state, with marking pen record now pointer position on dial; Then reverse connecting lever continuation to close a floodgate, according to " straight line isolation account form ", continue to reverse connecting lever 11.54 degree to combined floodgate direction, now isolating switch moving contact inserts the degree of depth of survey radome is 40mm, the position that puts in place of namely closing a floodgate; Use the same method and B phase and the isolated switch of C be adjusted to combined floodgate and put in place position.Rotating clockwise in mediation process as separating brake, rotating counterclockwise as closing a floodgate.
After adjusting to the right place in isolating switch moving contact position, reconnected by straight line isolating switch interphase connecting rod, penetrate pivot pin positioning linkage rod joint, the twisted connecting rod body of rod suitably adjusts position and locks body of rod two ends locknut afterwards between two parties, and now connecting rod and connecting lever all do 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.The short connecting rod that slew gear is connected with body; Insert pivot pin, connecting rod two ends locknut is unclamped some more.Then, manual pretension short connecting rod.Continue to tighten up short connecting rod with spanner, drive body connecting lever to rotate, make pointer continue deflection about 3 degree to closing position, notice that now short connecting rod two ends locknut gets loose in process.After putting in place, locking short connecting rod two ends locknut, adjustment end of operation.
Attention: during locking nut, with two spanners, one fixed core, another locking nut, must not use a wrench operated, in order to avoid make connecting rod receive short or push away length.
3), endoscope is extracted out;
4), seal and opening;
5), filling SF
6gas.
Claims (4)
1. utilize Endoscope-assisted to adjust a method for newly-built GIS device isolating switch moving contact position, it is characterized in that: it comprises the following steps:
1), at installation and filling SF
6before gas, endoscope can be inserted to contact position by position of opening in GIS device;
2), observe isolating switch moving contact position whether to put in place, if isolating switch moving contact position is not in place, then disassemble isolating switch A, B, C three-phase interphase connecting rod, adjustment gear drive output corner, the process of adjustment motor-operating mechanism, then adjust the isolated switch of A, B, C respectively to the position that puts in place of closing a floodgate, isolating switch interphase connecting rod is installed;
3), endoscope is extracted out;
4), seal and opening;
5), filling SF
6gas.
2. the method utilizing Endoscope-assisted to adjust newly-built GIS device isolating switch moving contact position according to claim 1, is characterized in that: adjustment gear drive output corner process is as follows: gear drive is rotated 66 degree ~ 68 degree from open position to closing position direction.
3. the method utilizing Endoscope-assisted to adjust newly-built GIS device isolating switch moving contact position according to claim 1, it is characterized in that: the isolated switch of described A, B, C puts position in place for just having contacted fixed contact state from moving contact to combined floodgate direction continuation torsion connecting lever, until isolating switch moving contact inserts the position to surveying radome degree of depth 40mm.
4. the method utilizing Endoscope-assisted to adjust newly-built GIS device isolating switch moving contact position according to claim 3, it is characterized in that: it is extracted by the conductor wire of isolating switch fracture both sides that described moving contact has just contacted fixed contact state, be connected on universal instrument two test pencil respectively, universal instrument start is adjusted to buzzing shelves, manually isolating switch is pulled to separating brake position on earth by three-jaw frock, then closing by hand, the state when closing a floodgate logical to universal instrument ring.
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 |
|---|---|
| CN105185627A true CN105185627A (en) | 2015-12-23 |
| CN105185627B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
|---|
| 黄辉敏等: ""220 kV GIS隔离开关触头烧坏故障分析与对策"", 《广西电力》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105185627B (en) | 2017-08-25 |
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