CN105405704A - Two-stage propulsion operating system of isolation switch and earth switch used for load switch - Google Patents
Two-stage propulsion operating system of isolation switch and earth switch used for load switch Download PDFInfo
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- CN105405704A CN105405704A CN201510949958.XA CN201510949958A CN105405704A CN 105405704 A CN105405704 A CN 105405704A CN 201510949958 A CN201510949958 A CN 201510949958A CN 105405704 A CN105405704 A CN 105405704A
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- Prior art keywords
- clutch
- isolation
- stage
- ground connection
- switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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- Arrangement And Driving Of Transmission Devices (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
Abstract
The invention relates to a two-stage propulsion operating system of an isolation switch and an earth switch used for a load switch. The two-stage propulsion operating system comprises a two-stage propulsion clutch (4), wherein a slot is independently arranged along the radial direction and the axial direction of the two-stage propulsion clutch (4); the slot arranged along the radial direction and the slot arranged along the axial direction are communicated; a disconnecting switch shaft (7) is spliced in the two-stage propulsion clutch (4); the shaft wall of the disconnecting switch shaft (7) is provided with an isolation coupling shaft pin (5); the isolation coupling shaft pin (5) is positioned in the slot on the two-stage propulsion clutch (4); the disconnecting switch shaft (7) is sheathed with an earth clutch linkage crank (6); and the two-stage propulsion clutch (4) and the earth clutch linkage crank (6) are in splicing cooperation. The invention relates to the two-stage propulsion operating system of the isolation switch and the earth switch used for the load switch, has the advantages of small volume and simple structure, can effectively avoid misoperation and improves operation safety.
Description
Technical field
The present invention relates to a kind of operating mechanism, especially a kind of mechanism isolation knife and earthing being carried out to two-stage forward operation on on-load switch is related to, further it is by key, a handle hole, advances the different depth in update hole to rotate the operation realized isolation knife or earthing by operation key point two-stage.
Background technology
At present, along with the quick growth of electricity needs, need to build more distribution substation to meet the demand of electric power growth; The operating safety of the on-load switch that distribution substation uses also receives increasing concern; Distribution user adopts isolation knife to be come by mains side Secure isolation after often needing to disconnect on-load switch load to carry out inspection operation, and must first close open cabinet door inspection operation after isolation knife is opened before earthing, in case have an accident; When carrying out power transmission, needing to operate conversely, first disconnecting earthing, and then power supply that isolation knife is closed, then the load of closed load switch connection; For this reason, high-tension switch cabinet must be equipped with isolation knife, earthing two kinds of operating mechanisms match with on-load switch, is not only equipped with costly, and operation is convenient not; And do not put together due to two kinds of operating mechanisms, therefore need separately to operate in strict accordance with " five prevent " sequence, now operating personnel (especially new hand) often forget operating procedure, thus cause the generation of peril.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of compact, structure simple and effectively can prevent misoperation, the on-load switch isolation knife improving processing safety, earthing two-stage forward operation mechanism.
The object of the present invention is achieved like this:
A kind of on-load switch isolation knife, earthing two-stage forward operation mechanism, include two-stage and advance clutch, described two-stage advances on clutch and radially with is axially respectively arranged with slot, and the radial slot arranged is connected with the slot axially arranged, described two-stage advances in clutch and is plugged with isolation switch shaft, and axial wall in isolation switch shaft is provided with isolation coupled axle-pin, described isolation coupled axle-pin is positioned at the slot on two-stage propelling clutch, described isolation switch shaft is set with ground connection clutch-linkage crank, two-stage advances clutch to coordinate with the grafting of ground connection clutch-linkage crank.
A kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism, the radial slot arranged and the slot axially arranged are connected formation one " L " shape groove structure, isolate coupled axle-pin and are positioned at " L " shape groove structure.
A kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism, described two-stage advances clutch surface to be provided with groove on one end of ground connection clutch-linkage crank, and described ground connection clutch-linkage crank advances the cutting of one end of clutch being protruded and being provided with and inserting in above-mentioned groove towards two-stage.
A kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism, described ground connection clutch-linkage crank is hinged with ground connection drive link, described ground connection drive link is hinged with grounding shaft driving crank, and described grounding shaft driving crank and earthed switch axle are hinged.
A kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism, described two-stage advances the end of clutch to be provided with isolation ground connection operation joint, and fairlead advances coupled axle-pin to advance clutch with two-stage by two-stage, isolates ground connection and operate joint and be connected, the back side of switching mechanism panel is provided with operation protection lock tube, and described operation protection lock tube and two-stage advance between clutch and be provided with small pressure spring.
A kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism, described switching mechanism back side of panel is also provided with isolation ground connection deciliter direction board, and described fairlead is connected with an isolation ground connection deciliter direction board.
A kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism, described isolation switch shaft is set with isolation axle limiting plate, described isolation axle limiting plate is provided with the gap corresponding with isolating axle gag lever post.
Operation principle of the present invention:
1, power failure operation: after disconnecting on-load switch, isolation separating brake contact of earth operation principle, operation key alignment isolation splice grafting ground point position (operating mechanism panel small gap indicating positions, other off-position has protection to insert), update key promotes the indentation of operation protection lock tube, operation little dome platform on the key puts in switching mechanism panel completely, large dome platform is blocked in outside switching mechanism panel, now two-stage advances clutch to withstand the cutting of ground connection clutch-linkage crank protrusion, isolation coupled axle-pin is arranged in the short groove of axis that two-stage advances the L shape groove of clutch, two-stage advances clutch to be separated with ground connection clutch-linkage crank, connect with isolation switch shaft, turn clockwise operation key, two-stage is driven to advance clutch to turn clockwise, drive isolation switch shaft turns clockwise, drive isolation knife separating brake.When isolating axle limiting plate and encountering isolation axle gag lever post, isolation separating brake puts in place.The size dome platform now operated on the key has just rotated to isolation point ground connection point position (the large gap position above operating mechanism panel), two-stage advances the cutting that the ground connection clutch-linkage crank of the groove alignment on clutch protrudes, if client needs operational grounding switch, namely again insert operating grip to the inside and promote operation key, operation Protective lock overlaps further indentation, promoting two-stage advances the cutting that the groove on clutch and ground connection clutch-linkage crank protrude to fasten, operation size dome platform on the key inserts switching mechanism panel completely, now isolate coupled axle-pin and be positioned at the knuckle place that two-stage advances clutch L shape groove, two-stage advances clutch and ground connection clutch-linkage crank to connect, with isolation switch shaft completely without being separated of interfering, turn clockwise operation key, two-stage is driven to advance clutch to turn clockwise, ground connection clutch-linkage crank is driven to turn clockwise, earthed switch axle can be driven to be rotated counterclockwise by ground connection drive link and grounding shaft driving crank, drive earthing closes a floodgate.Now isolate coupled axle-pin and be arranged in the radial elongated slot that two-stage advances clutch L shape groove, the spindle drive of isolation knife is in disengaged position.The position that two-stage advances clutch to keep the cutting that the groove on it and ground connection clutch-linkage crank protrude to fasten can not be moved.Operation size dome platform has on the key rotated to an isolation point ground connection co-bit and has put (the large gap position below operating mechanism panel), extracts operation key.
2, power transmission operates: the isolation of ground connection separating brake is closed a floodgate, finally connect the operation principle of on-load switch, an operation key alignment isolation point ground connection co-bit is put (the large breach indicating positions below operating mechanism panel), update key promotes the indentation of operation protection lock tube, the radial elongated slot that two-stage advances clutch L shape groove is arranged in owing to now isolating coupled axle-pin, the spindle drive of isolation knife is in disengaged position, the position that two-stage advances clutch to keep the cutting that the groove on it and ground connection clutch-linkage crank protrude to fasten can not be moved, two-stage advances clutch and ground connection clutch-linkage crank to connect, be separated with isolation switch shaft, operation size dome platform on the key can put in switching mechanism panel completely, be rotated counterclockwise operation key, two-stage is driven to advance clutch to be rotated counterclockwise, ground connection clutch-linkage crank is driven to be rotated counterclockwise, earthed switch axle can be driven to turn clockwise by ground connection drive link and grounding shaft driving crank, drive earthing separating brake.Operation size dome platform has on the key rotated to isolation point ground connection point position (the large gap position above operating mechanism panel), now isolate coupled axle-pin and be positioned at the short groove place of axis that two-stage advances clutch L shape groove, if client needs disconnecting switch operation, namely part operation key is exited, two-stage advances clutch to eject to switching mechanism panel direction under the effect of small pressure spring, making isolation coupled axle-pin get back to two-stage advances in the short groove of axis of clutch L shape groove, two-stage advances clutch to be separated with ground connection clutch-linkage crank, connect with isolation switch shaft, the little dome platform now operated on the key puts in switching mechanism panel completely, large dome platform is blocked in outside switching mechanism panel, be rotated counterclockwise operation key, two-stage is driven to advance clutch to be rotated counterclockwise, drive isolation switch shaft is rotated counterclockwise, drive isolation knife is closed a floodgate.When isolating axle limiting plate and encountering isolation axle gag lever post, isolation combined floodgate puts in place.Operation size dome platform on the key with having rotated to isolation splice grafting point position (operating mechanism panel small gap indicating positions), extracts operation key.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention can pass through key, a handle hole, inserts the different degree of depth to realize the operation of two switches (earthing and isolation knife); Utilize two-stage forward operation mechanism, when being advanced into first order operation isolation cutter, earthing is in disengaged condition and keeps motionless; When being advanced into second level operational grounding cutter, isolation knife is in disengaged condition and keeps motionless; Operation sequencing between them can be good at the requirement meeting GB " five prevent ".
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Fig. 2 is the broken section enlarged drawing of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Fig. 3 is the operating position view of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Fig. 4 is the schematic diagram of isolation ground connection deciliter direction board of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Fig. 5 is the operating position view of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Fig. 6 is the schematic diagram of isolation ground connection deciliter direction board of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Fig. 7 is the operating position view of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Fig. 8 is the isolation ground connection deciliter direction board of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Fig. 9 is the mode of operation schematic diagram of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Figure 10 is the mode of operation schematic diagram of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Figure 11 is the mode of operation schematic diagram of a kind of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism.
Wherein:
Operation key 1, switching mechanism panel 2, fairlead 3, two-stage advance clutch 4, isolation coupled axle-pin 5, ground connection clutch-linkage crank 6, isolation switch shaft 7, isolation axle gag lever post 8, isolation axle limiting plate 9, ground connection drive link 10, earthed switch axle 11, grounding shaft driving crank 12, isolation ground connection deciliter direction board 13, operation protection lock tube 14, small pressure spring 15, two-stage to advance coupled axle-pin 16, isolation ground connection operation joint 17.
Embodiment
A kind of on-load switch isolation knife that the present invention relates to, earthing two-stage forward operation mechanism, described mechanism includes two-stage and advances clutch 4, described two-stage advances on clutch 4 and radially with is axially respectively arranged with slot, formation one " L " the shape inserting slot construction and the radial slot arranged is connected with the slot axially arranged, described two-stage advances in clutch 4 and is plugged with isolation switch shaft 7, and axial wall in isolation switch shaft 7 is provided with isolation coupled axle-pin 5, described isolation coupled axle-pin 5 is positioned at " L " shape inserting slot construction, described isolation switch shaft 7 is set with ground connection clutch-linkage crank 6, and two-stage advances clutch 4 to be provided with groove on one end of ground connection clutch-linkage crank 6, described ground connection clutch-linkage crank 6 advances the cutting of one end of clutch 4 being protruded and being provided with and inserting in above-mentioned groove towards two-stage,
Said structure is the most simplification actuating mechanism realizing double-stage operation, when isolating coupled axle-pin 5 and being positioned at the axial socket of two-stage propelling clutch 4, two-stage advances the groove of clutch 4 and the cutting mutual dislocation of ground connection clutch-linkage crank 6, and now two-stage advances clutch 4 driving isolation switch shaft 7 pairs of isolation knife to operate; When isolating coupled axle-pin 5 and being positioned at the radial slot of two-stage propelling clutch 4, the groove of two-stage propelling clutch 4 mutually embeds with the cutting of ground connection clutch-linkage crank 6 and coordinates, now two-stage advances clutch 4 to drive ground connection clutch-linkage crank 6 pairs of earthings to operate, thus achieves double-stage operation;
Further, described ground connection clutch-linkage crank 6 is hinged with ground connection drive link 10, described ground connection drive link 10 is hinged with grounding shaft driving crank 12, described grounding shaft driving crank 12 is hinged with earthed switch axle 11;
Further, described two-stage advances the end of clutch 4 to be provided with isolation ground connection operation joint 17, and fairlead 3 advances coupled axle-pin 16 to advance clutch 4 with two-stage by two-stage, isolates ground connection and operate joint 17 and be connected, the back side of switching mechanism panel 2 is provided with operation protection lock tube 14, and described operation protection lock tube 14 and two-stage advance between clutch 4 and be provided with small pressure spring 15;
Further, described switching mechanism panel 2 back side is also provided with isolation ground connection deciliter direction board 13, and described fairlead 3 is connected (welding) with isolation ground connection deciliter direction board 13 by parts such as braces;
Further, described isolation switch shaft 7 is set with isolation axle limiting plate 9, described isolation axle limiting plate 9 is provided with the gap corresponding with isolating axle gag lever post 8;
Composition graphs 1 ~ 11, illustrates the course of action of on-load switch isolation knife of the present invention, earthing two-stage forward operation mechanism:
When switch with being positioned at isolation splice grafting point position, aim at switching mechanism panel 2 with isolating splice grafting point position (small gap indicating positions), update key 1 promotes the indentation of operation protection lock tube 14, little dome platform on operation key 1 puts in switching mechanism panel 2 completely, large dome platform is blocked in outside switching mechanism panel 2, now two-stage advances the cutting that the groove on clutch 4 and ground connection clutch-linkage crank 6 protrude to misplace, two-stage advances clutch 4 to be separated with ground connection clutch-linkage crank 6, cannot operational grounding switch, prevent isolating switch mistiming in the close position from closing earthed switch, isolation coupled axle-pin 5 is positioned at the short groove of axis that two-stage advances the L shape groove of clutch 4, two-stage advances clutch 4 and isolation switch shaft 7 to connect, now can disconnecting switch operation,
Turn clockwise operation key 1, two-stage is driven to advance clutch 4 and fairlead 3 to turn clockwise, isolation switch shaft 7 is driven to turn clockwise, drive isolation knife separating brake, drive the isolation ground connection deciliter direction board 13 on fairlead 3 to rotate simultaneously, when isolating axle limiting plate 9 and encountering isolation axle gag lever post 8, isolation separating brake puts in place;
Now isolate ground connection deciliter direction board 13 and indicate isolation separating brake ground connection open position, size dome platform on operation key 1 has rotated to isolation point ground connection point position (large gap position above), and two-stage advances the cutting that the ground connection clutch-linkage crank 6 of the groove alignment on clutch 4 protrudes, if client needs operational grounding switch, namely again insert operating grip to the inside and promote operation key 1, the indentation further of operation protection lock tube 14, size dome platform on operation key 1 puts in switching mechanism panel 2 completely, promoting two-stage advances the cutting that the groove on clutch 4 and ground connection clutch-linkage crank 6 protrude to fasten, two-stage advances clutch 4 and ground connection clutch-linkage crank 6 to connect, now can operational grounding switch, isolation coupled axle-pin 5 is arranged in the radial elongated slot that two-stage advances the L shape groove of clutch 4, two-stage advances clutch 4 to be separated with isolation switch shaft 7, when two-stage advances clutch 4 to rotate, isolation switch shaft 7 dallies, cannot disconnecting switch operation,
Turn clockwise operation key 1, two-stage is driven to advance clutch 4 to turn clockwise, ground connection clutch-linkage crank 6 is driven to turn clockwise, earthed switch axle 11 can be driven to be rotated counterclockwise by ground connection drive link 10 and grounding shaft driving crank 12, drive earthing closes a floodgate, and drives the isolation ground connection deciliter direction board 13 on fairlead 3 to rotate simultaneously; When contact of earth puts in place, isolation ground connection deciliter direction board 13 indicates isolation separating brake contact of earth position;
Size dome platform on operation key 1 has rotated to an isolation point ground connection co-bit and has put (large gap position below), isolation coupled axle-pin 5 is arranged in the radial elongated slot that two-stage advances the L shape groove of clutch 4, the spindle drive of isolation knife is in disengaged position, two-stage advances the cutting that the groove on clutch 4 and ground connection clutch-linkage crank 6 protrude to fasten and can not flick, and extracts operation key.
Now two-stage advances clutch 4 and ground connection clutch-linkage crank 6 to connect, therefore can operational grounding switch, simultaneously, isolation coupled axle-pin 5 is arranged in the radial elongated slot that two-stage advances the L shape groove of clutch 4, two-stage advances clutch 4 to be separated with isolation switch shaft 7, when two-stage advances clutch 4 to rotate, isolation switch shaft 7 dallies, cannot disconnecting switch operation, prevents earthed switch mistiming in the close position from closing isolating switch;
Aim at an isolation point ground connection co-bit to put (large breach indicating positions below), update key 1 promotes the indentation of operation protection lock tube 14, be rotated counterclockwise operation key 1, two-stage is driven to advance clutch 4 to be rotated counterclockwise, ground connection clutch-linkage crank 6 is driven to be rotated counterclockwise, earthed switch axle 11 can be driven to turn clockwise by ground connection drive link 10 and grounding shaft driving crank 12, drive earthing separating brake;
Size dome platform on operation key 1 has rotated to isolation point ground connection point position (large gap position above), now isolate coupled axle-pin 5 and be positioned at the short groove of axis that two-stage advances the L shape groove of clutch 4, if client needs disconnecting switch operation, namely part operation key 1 is exited, the little dome platform on operation key 1 is made to stay inside switching mechanism panel 2, large dome platform is return outside switching mechanism panel 2, two-stage advances clutch 4 to eject to switching mechanism panel 2 direction under the acting in opposition of small pressure spring 15, two-stage advances the groove on clutch 4 to be separated with the cutting that ground connection clutch-linkage crank 6 protrudes, cannot operational grounding switch, isolation coupled axle-pin 5 is got back to two-stage and is advanced in the short groove of axis of the L shape groove of clutch 4, two-stage advances clutch 4 and isolation switch shaft 7 to connect, now can disconnecting switch operation,
Be rotated counterclockwise operation key 1, drive two-stage to advance clutch 4 to be rotated counterclockwise, drive isolation switch shaft 7 to be rotated counterclockwise, drive isolation knife to close a floodgate; When isolating axle limiting plate 9 and encountering isolation axle gag lever post 8, isolation combined floodgate puts in place; Size dome platform on operation key 1 with having rotated to isolation splice grafting point position (small gap position), extracts operation key 1 subsequently.
In addition: it should be noted that above-mentioned embodiment is only a prioritization scheme of this patent, any change that those skilled in the art does according to above-mentioned design or improvement, all within the protection range of this patent.
Claims (7)
1. an on-load switch isolation knife, earthing two-stage forward operation mechanism, it is characterized in that: include two-stage and advance clutch (4), described two-stage advances on clutch (4) and radially with is axially respectively arranged with slot, and the radial slot arranged is connected with the slot axially arranged, described two-stage advances in clutch (4) and is plugged with isolation switch shaft (7), and axial wall in isolation switch shaft (7) is provided with isolation coupled axle-pin (5), described isolation coupled axle-pin (5) is positioned at the slot in two-stage propelling clutch (4), described isolation switch shaft (7) is set with ground connection clutch-linkage crank (6), two-stage advances clutch (4) to coordinate with ground connection clutch-linkage crank (6) grafting.
2. a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism as claimed in claim 1, it is characterized in that: the radial slot arranged and the slot axially arranged are connected formation one " L " shape inserting slot construction, isolate coupled axle-pin (5) and are positioned at " L " shape inserting slot construction.
3. a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism as claimed in claim 1, it is characterized in that: described two-stage advances clutch (4) to be provided with groove on one end of ground connection clutch-linkage crank (6), and described ground connection clutch-linkage crank (6) advances the cutting of one end of clutch (4) being protruded and being provided with and inserting in above-mentioned groove towards two-stage.
4. a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism as claimed in claim 1, it is characterized in that: described ground connection clutch-linkage crank (6) is hinged with ground connection drive link (10), described ground connection drive link (10) is hinged with grounding shaft driving crank (12), and described grounding shaft driving crank (12) and earthed switch axle (11) are hinged.
5. a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism as claimed in claim 1, it is characterized in that: described two-stage advances the end of clutch (4) to be provided with isolation ground connection operation joint (17), and fairlead (3) advances coupled axle-pin (16) and two-stage to advance clutch (4) by two-stage, isolates ground connection and operate joint (17) and be connected, the back side of switching mechanism panel (2) is provided with operation protection lock tube (14), and described operation protection lock tube (14) and two-stage advance between clutch (4) and be provided with small pressure spring (15).
6. a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism as claimed in claim 1, it is characterized in that: described switching mechanism panel (2) back side is also provided with isolation ground connection deciliter direction board (13), described fairlead (3) is connected with isolation ground connection deciliter direction board (13).
7. a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism as claimed in claim 1, it is characterized in that: described isolation switch shaft (7) being set with isolation axle limiting plate (9), described isolation axle limiting plate (9) being provided with the gap corresponding with isolating axle gag lever post (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949958.XA CN105405704B (en) | 2015-12-18 | 2015-12-18 | On-load switch isolation knife, earthing two-stage forward operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949958.XA CN105405704B (en) | 2015-12-18 | 2015-12-18 | On-load switch isolation knife, earthing two-stage forward operation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105405704A true CN105405704A (en) | 2016-03-16 |
| CN105405704B CN105405704B (en) | 2017-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510949958.XA Active CN105405704B (en) | 2015-12-18 | 2015-12-18 | On-load switch isolation knife, earthing two-stage forward operation mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN105405704B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885625A (en) * | 2019-11-29 | 2021-06-01 | 江苏大全长江电器股份有限公司 | Diplopore operating device interlock, looped netowrk cabinet |
| CN115985712A (en) * | 2023-03-20 | 2023-04-18 | 广东金晖隆开关有限公司 | Double-break three-station isolating switch in gas insulation ring main unit |
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| JPH09167547A (en) * | 1995-12-18 | 1997-06-24 | Toko Denki Kk | Switch |
| JPH1050179A (en) * | 1996-08-01 | 1998-02-20 | Meidensha Corp | Switchgear |
| CN201868309U (en) * | 2010-12-02 | 2011-06-15 | 浙江亚东电器制造有限公司 | Locking operation mechanism of isolating switch |
| CN102243927A (en) * | 2011-04-12 | 2011-11-16 | 温州盛川机电制造有限公司 | Operating mechanism of high-voltage switch cabinet |
| CN203434073U (en) * | 2013-08-06 | 2014-02-12 | 国家电网公司 | Three-position transmission and limiting device |
| CN103606473A (en) * | 2013-12-06 | 2014-02-26 | 北京合纵科技股份有限公司 | New gear-transmission isolating mechanism with double operating holes |
| CN205282356U (en) * | 2015-12-18 | 2016-06-01 | 江阴市云峰电器设备有限公司 | Load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device |
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2015
- 2015-12-18 CN CN201510949958.XA patent/CN105405704B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09167547A (en) * | 1995-12-18 | 1997-06-24 | Toko Denki Kk | Switch |
| JPH1050179A (en) * | 1996-08-01 | 1998-02-20 | Meidensha Corp | Switchgear |
| CN201868309U (en) * | 2010-12-02 | 2011-06-15 | 浙江亚东电器制造有限公司 | Locking operation mechanism of isolating switch |
| CN102243927A (en) * | 2011-04-12 | 2011-11-16 | 温州盛川机电制造有限公司 | Operating mechanism of high-voltage switch cabinet |
| CN203434073U (en) * | 2013-08-06 | 2014-02-12 | 国家电网公司 | Three-position transmission and limiting device |
| CN103606473A (en) * | 2013-12-06 | 2014-02-26 | 北京合纵科技股份有限公司 | New gear-transmission isolating mechanism with double operating holes |
| CN205282356U (en) * | 2015-12-18 | 2016-06-01 | 江阴市云峰电器设备有限公司 | Load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885625A (en) * | 2019-11-29 | 2021-06-01 | 江苏大全长江电器股份有限公司 | Diplopore operating device interlock, looped netowrk cabinet |
| CN115985712A (en) * | 2023-03-20 | 2023-04-18 | 广东金晖隆开关有限公司 | Double-break three-station isolating switch in gas insulation ring main unit |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105405704B (en) | 2017-06-20 |
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Address after: 214422 Jiangyin Province, Wuxi City, the town of the town of the Road Lane Lane No. 3 Applicant after: Jiangsu Yunfeng Polytron Technologies Inc Address before: 214422 Jiangyin Province, Wuxi City, the town of the town of the Road Lane Lane No. 3 Applicant before: Jiangyin Yunfeng Electrical Equipment Co., Ltd. |
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