CN101409173B - Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear - Google Patents
Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear Download PDFInfo
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- CN101409173B CN101409173B CN 200810182725 CN200810182725A CN101409173B CN 101409173 B CN101409173 B CN 101409173B CN 200810182725 CN200810182725 CN 200810182725 CN 200810182725 A CN200810182725 A CN 200810182725A CN 101409173 B CN101409173 B CN 101409173B
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- switch
- operating mechanism
- tri
- isolating switch
- gas insulated
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 239000002184 metal Substances 0.000 title claims description 9
- 238000007789 sealing Methods 0.000 title claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses an operating mechanism used in a three-station isolating switch of a gas-insulated and metal-enclosed switchgear in order to solve the problems existing in the operating mechanism of the existing three-working-position switch that the interlocking is complicated and the electric operation is difficult to realize. The operating mechanism comprises a mechanism frame, a shell, a vertical column, a motor, a transmission system, a state instruction mechanism and an interlocking mechanism; the shell is connected with the mechanism frame by the vertical column; the transmission system comprises a spline housing, a spline shaft, a worm, a worm wheel and a positioning sleeve; the positioning sleeve, the worm wheel and a crank are arranged on the spline shaft by an ordinary flat key; the motor is connected with the worm by the spline housing; and the worm is meshed with the worm wheel. The operating mechanism has simple and compact structure, few parts, full functions, high reliability, low cost, small size, small operation force, light weight, convenient maintenance, and trim and centralized distribution of operating buttons and state instructions; furthermore, the mechanism is an independent functional unit.
Description
Technical field
The present invention relates to a kind of gas-insulated high-voltage switchgear assembly tri-station isolating switch operating mechanism.
Background technology
The gas-insulated high-voltage switchgear assembly three-station of prior art is two cover mechanisms with operating mechanism, and promptly isolating switch and earthed switch adopt a mechanism respectively, can't realize between two mechanisms that positive locking, reliability are low.Simultaneously great majority adopt pinion and racks as main transmission, and volume is big, complex structure, actuating force are big, electric operating is difficult to realize, makes reliability low.
Summary of the invention
The purpose of this invention is to provide a kind of tri-station isolating switch of gas insulated metal sealing switchgear operating mechanism, to solve the interlocking complexity that has three-station now and exist, the problem that electric operating is difficult to realize with operating mechanism.
The present invention includes mechanism rack, housing, column, motor, drive system, state indicating mechanism, interlocking device, described housing is connected with mechanism rack by column, described drive system comprises spline housing, splined shaft, worm screw, worm gear, positioning sleeve, by general flat key one positioning sleeve, worm gear and connecting lever are installed on the splined shaft, described motor is connected with worm screw by spline housing, the worm and wheel engagement.
The present invention all can realize the full bi-directional locking in connection, ground connection, isolated location, can make three-station finish its " ground connection
Isolate " and " isolate
Connect " operation, and have the three positions indication of connection, isolation, ground connection.Mainly be used in the Cubicle Gas-Insulated Switchgear of 126kV electrical power distribution system, rated current 630～2500A.Realize the acceptance and the distribution of electric energy, and constitute with circuit breaker electric line or load are controlled, protected and monitor.
The present invention is simple in structure, compact, and parts are few, and is multiple functional, and reliability height, cost are low; Volume is little, operating physical force is little, in light weight, that easy to maintenance and action button, state indication distribute is neat, concentrate; Mechanism is an independent functional units.This mechanism can accurately be fitted to by the axle head spline of splined shaft on the three-station, both mechanism's integral replacing maintenance also can be carried out repair and replacement to parts on three-station during maintenance.
The present invention has realized isolating switch and shared operating mechanism of earthed switch and drive system, make overall dimensions significantly reduce, this operating mechanism all has mechanical locking in each position, it is locked after operation puts in place, can not change the position of the switch because of the collision of other external force, therefore the product operational reliability significantly improves.
The present invention is further detailed explanation below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that cutaway view is looked on the right side of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is a stereogram of the present invention.
Embodiment
Embodiment
The present invention includes mechanism rack 1, housing 3, column 2, motor 22, drive system, state indicating mechanism, interlocking device, housing 3 is connected with mechanism rack 1 by column 2, drive system comprises spline housing 21, splined shaft 19, worm screw 17, worm gear 4, positioning sleeve 18, by general flat key 1 positioning sleeve 18, worm gear 4 and connecting lever 5 are installed on the splined shaft 19, worm gear, positioning sleeve, the shared general flat key one of connecting lever, motor 22 is connected with worm screw 17 by spline housing 21, worm screw 17 and worm gear 4 engagements.Motor 22 is installed on the mechanism rack 1 by bent plate 20.
Interlocking device comprises mounting panel 11, sensitive switch 1, travel switch 14, stop collar 6, positioning engine 16, electromagnet 25, mounting panel 11 is connected with described mechanism rack 1 by column 2, sensitive switch 1 is installed on the mounting panel 11 with travel switch 14, stop collar 6 is installed on the splined shaft 19 by general flat key 2 10, positioning engine 16 and described positioning sleeve 18 engagements, positioning engine 16 is installed on the described mechanism rack 1, and positioning engine 16 links to each other with electromagnet 25.Stop collar 6 links to each other with sensitive switch 2 26.Positioning engine 16 is provided with interlocking plate washer 15.
State indicating mechanism comprises on off state direction board 9 and auxiliary switch 23, on off state direction board 9 is installed in the end of described splined shaft 19 by bolt 8, auxiliary switch 23 is installed on the described mechanism rack 1, auxiliary switch 23 is a three position switch, and auxiliary switch 23 is by four connecting rods 24 and connecting lever 5 and splined shaft 19 interlocks.
Motor is the rotating direct current machine in the embodiment of the invention.Column 2 is 6.Shared 4 root posts of the mounting panel of housing and sensitive switch, travel switch.
The realization of function of the present invention divides following unit:
1, the electronic isolator operation that closes
When three-station is in the isolated location is isolating switch separating brake position, during earthed switch separating brake position, electromagnet 25 must electricly be pushed positioning engine 16 open, remove the engagement of positioning engine 16 and positioning sleeve 18, promptly removed the forced blocking state, motor 22 rotated counterclockwise and drove worm screw 17 this moment, worm gear 4 rotates, worm gear 4 drives splined shaft 19 by general flat key 1 and rotates, when on off state direction board 9 points to closing position, finish the electronic isolator operation that closes, this moment, auxiliary switch 23 switched the signal of telecommunication that the isolating switch closing position is provided under the drive of four connecting rods 24.When electronic close isolator operation and finish after, stop collar 6 promotes sensitive switches 2 26 and switches and disconnect the electric operating loops, this moment electromagnet 25 dead electricity, positioning engine 16 resets and realizes Interlock Status with positioning sleeve 18 engagements again, can not carry out the operation of earthed switch.
2, electronic minute isolator operation
When three-station is in on-position is the isolating switch closing position, during earthed switch separating brake position, electromagnet 25 must electricly be pushed positioning engine 16 open, remove the engagement of positioning engine 16 and positioning sleeve 18, promptly removed the forced blocking state, motor 22 clockwise rotated and drove worm screw 17 this moment, worm gear 4 rotates, worm gear 4 drives splined shaft 19 by general flat key 1 and rotates, finish electronic minute isolator operation when on off state direction board 9 points to the separating brake position, this moment, auxiliary switch 23 switched the signal of telecommunication that the isolating switch isolated location is provided under the drive of four connecting rods 24.When electronic branch keep apart close EO after, stop collar 6 promotes travel switches 14 and switches and disconnect the electric operating loops, this moment electromagnet 25 dead electricity, positioning engine 16 resets and realizes Interlock Status with positioning sleeve 18 engagements again.
3, electronic splice grafting ground switching manipulation
When three-station is in the isolated location is isolating switch separating brake position, during earthed switch separating brake position, electromagnet 25 must electricly be pushed positioning engine 16 open, remove the engagement of positioning engine 16 and positioning sleeve 18, promptly removed the forced blocking state, motor 22 clockwise rotated and drove worm screw 17 this moment, worm gear 4 rotates, worm gear 4 drives splined shaft 19 by general flat key 1 and rotates, finish the ground switching manipulation of electronic splice grafting when on off state direction board 9 points to earthing position, this moment, auxiliary switch 23 switched the signal of telecommunication that the isolating switch earthing position is provided under the drive of four connecting rods 24.After the switching manipulation of electronic splice grafting ground finished, stop collar 6 promoted sensitive switches 1 and switches and disconnect the electric operating loops, this moment electromagnet 25 dead electricity, positioning engine 16 resets and realizes Interlock Status with positioning sleeve 18 engagements again, can not carry out the operation of isolating switch.
4, ground connection switching manipulation in electronic minute
When three-station is in earthing position is isolating switch separating brake position, during the earthed switch closing position, electromagnet 25 must electricly be pushed positioning engine 16 open, remove the engagement of positioning engine 16 and positioning sleeve 18, promptly removed the forced blocking state, motor 22 rotated counterclockwise and drove worm screw 17 this moment, worm gear 4 rotates, worm gear 4 drives splined shaft 19 by general flat key 1 and rotates, finish ground connection switching manipulation in electronic minute when on off state direction board 9 points to the separating brake position, this moment, auxiliary switch 23 switched the signal of telecommunication that the isolating switch isolated location is provided under the drive of four connecting rods 24.After ground connection switching manipulation in electronic minute finished, stop collar 6 promoted travel switches 14 and switches and disconnect the electric operating loops, this moment electromagnet 25 dead electricity, positioning engine 16 resets and realizes Interlock Status with positioning sleeve 18 engagements again.
5, manual operation
The present invention also can provide following manual operation function: manually close isolating switch; Manually divide and keep apart pass, manual splice grafting ground switch; Manually divide the ground connection switch.
During manual operation, open the wicket 13 on the operating mechanism, the sensitive switch 3 27 of this moment and wicket interlock switches to longly to be left state electronic control loop is cut off, makes no matter still far control on the spot, all can't operate operating mechanism.Hand crank is inserted on the cubic spindle nose of mechanism's female splined shaft 19, when three-station is isolating switch closing position, earthed switch separating brake position at on-position, the crank that turns clockwise during on off state direction board separating brake position, is finished the isolating switch sub-switching operation.When three-station is isolating switch separating brake position, earthed switch separating brake position in the isolated location, the crank that turns clockwise when on off state direction board earthing position, is finished earthed switch switch closing operation.When three-station is isolating switch separating brake position, earthed switch closing position at earthing position, be rotated counterclockwise crank, when on off state direction board centre position, finish the earthed switch sub-switching operation.When three-station is isolating switch separating brake position, earthed switch separating brake position in the centre position, be rotated counterclockwise crank, when on off state direction board on-position, finish isolating switch switch closing operation.
Claims (6)
1. tri-station isolating switch of gas insulated metal sealing switchgear operating mechanism, comprise mechanism rack, housing, column, motor, drive system, state indicating mechanism, interlocking device, it is characterized in that: described housing (3) is connected with mechanism rack (1) by column (2), described drive system comprises spline housing (21), splined shaft (19), worm screw (17), worm gear (4), positioning sleeve (18), splined shaft (19) is gone up and by general flat key one (7) described positioning sleeve (18) is installed, described worm gear (4) and connecting lever (5), described motor (22) is connected with described worm screw (17) by described spline housing (21), described worm screw (17) and described worm gear (4) engagement;
Described interlocking device comprises mounting panel (11), sensitive switch one (12), travel switch (14), stop collar (6), positioning engine (16), electromagnet (25), mounting panel (11) is connected with described mechanism rack (1) by column (2), sensitive switch one (12) is installed on the mounting panel (11) with travel switch (14), stop collar (6) is installed on the described splined shaft (19) by general flat key two (10), positioning engine (16) and described positioning sleeve (18) engagement, positioning engine (16) is installed on the described mechanism rack (1), and positioning engine (16) links to each other with electromagnet (25);
Described state indicating mechanism comprises on off state direction board (9) and auxiliary switch (23), on off state direction board (9) is installed in the end of described splined shaft (19) by bolt (8), auxiliary switch (23) is installed on the described mechanism rack (1), auxiliary switch (23) is a three position switch, and auxiliary switch (23) is by four connecting rods (24) and described connecting lever (5) and described splined shaft (19) interlock.
2. tri-station isolating switch of gas insulated metal sealing switchgear operating mechanism according to claim 1 is characterized in that: described stop collar (6) links to each other with sensitive switch two (26).
3. tri-station isolating switch of gas insulated metal sealing switchgear operating mechanism according to claim 1 and 2 is characterized in that: described positioning engine (16) is provided with interlocking plate washer (15).
4. tri-station isolating switch of gas insulated metal sealing switchgear operating mechanism according to claim 3, it is characterized in that: wicket (13) is equipped with in the bottom of described housing (3), wicket (13) interlock has sensitive switch three (27), and sensitive switch three (27) is installed on the described mounting panel (11).
5. tri-station isolating switch of gas insulated metal sealing switchgear operating mechanism according to claim 4 is characterized in that: described motor (22) is installed on the described mechanism rack (1) by bent plate (20).
6. tri-station isolating switch of gas insulated metal sealing switchgear operating mechanism according to claim 5 is characterized in that: described column (2) is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810182725 CN101409173B (en) | 2008-12-04 | 2008-12-04 | Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810182725 CN101409173B (en) | 2008-12-04 | 2008-12-04 | Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101409173A CN101409173A (en) | 2009-04-15 |
| CN101409173B true CN101409173B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810182725 Expired - Fee Related CN101409173B (en) | 2008-12-04 | 2008-12-04 | Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear |
Country Status (1)
| Country | Link |
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| CN (1) | CN101409173B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360964B (en) * | 2011-09-26 | 2016-05-11 | 宁波兴邦电器有限公司 | Electrical operating mechanism for switchgear |
| CN102779665A (en) * | 2012-07-16 | 2012-11-14 | 无锡市凯旋电机有限公司 | Clutch device of electric operating mechanism for switch |
| CN102983036A (en) * | 2012-10-30 | 2013-03-20 | 江苏精科智能电气股份有限公司 | Transmission device used for multi-station switch single phase and three-phase mechanical linkage |
| CN103165298B (en) * | 2013-03-07 | 2015-04-01 | 廖明厚 | Single-motor three-station mechanism for switch |
| CN104485250B (en) * | 2014-11-20 | 2018-03-27 | 平高集团有限公司 | Three station operating mechanisms and its power transmission shaft |
| CN107871639B (en) * | 2017-10-31 | 2020-06-09 | 深圳市惠程信息科技股份有限公司 | Switch control device and gas-insulated ring network cabinet |
| CN108231470B (en) * | 2017-11-20 | 2020-05-22 | 北京双杰电气股份有限公司 | Three-station isolating switch operating device |
| CN108520834B (en) * | 2018-06-04 | 2024-01-19 | 泰安市泰和电力设备有限公司 | Manual operation three-station mechanism for high-voltage switch |
| CN110828225B (en) * | 2018-07-04 | 2022-05-24 | 河南平高电气股份有限公司 | Electric switch and operating mechanism thereof |
| CN111370256B (en) * | 2018-12-26 | 2025-09-02 | 厦门华电开关有限公司 | Operating mechanism and three-position switch |
| CN111341594B (en) * | 2020-03-30 | 2025-05-23 | 温州盛川机电制造有限公司 | Manual-automatic integrated operating mechanism of high-voltage switch cabinet |
| WO2021232241A1 (en) * | 2020-05-19 | 2021-11-25 | Abb Power Grids Switzerland Ag | Apparatus for operating electric switching device |
| CN113593864B (en) * | 2021-06-24 | 2023-06-27 | 南京南瑞继保电气有限公司 | Split type on-load tap-changer and control method thereof |
| CN115985712B (en) * | 2023-03-20 | 2023-05-12 | 广东金晖隆开关有限公司 | Double-break three-station isolating switch in gas-insulated ring main unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472326Y (en) * | 2001-04-12 | 2002-01-16 | 冯丽萍 | Electric activating mechanism for high voltage insulative switch |
| CN2517092Y (en) * | 2002-01-18 | 2002-10-16 | 冯丽萍 | High-pressure disconnecting switch motor actuating mechanism |
-
2008
- 2008-12-04 CN CN 200810182725 patent/CN101409173B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472326Y (en) * | 2001-04-12 | 2002-01-16 | 冯丽萍 | Electric activating mechanism for high voltage insulative switch |
| CN2517092Y (en) * | 2002-01-18 | 2002-10-16 | 冯丽萍 | High-pressure disconnecting switch motor actuating mechanism |
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| Publication number | Publication date |
|---|---|
| CN101409173A (en) | 2009-04-15 |
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