CN205282356U - Load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device - Google Patents
Load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device Download PDFInfo
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- CN205282356U CN205282356U CN201521058800.5U CN201521058800U CN205282356U CN 205282356 U CN205282356 U CN 205282356U CN 201521058800 U CN201521058800 U CN 201521058800U CN 205282356 U CN205282356 U CN 205282356U
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Abstract
The utility model relates to a load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device includes two -stage propulsion clutch (4), the two -stage impels clutch (4) to go up and radially is provided with the slot respectively with the axial along it, and the slot of radial setting and the slot of axial setting be linked together, the grafting had isolator axle (7) in the two -stage advanced clutch (4), and was provided with isolation coupled axle -pin (5) on the axial wall on isolator axle (7), it is located the slot on the two -stage propulsion clutch (4) to keep apart coupled axle -pin (5), isolator axle (7) are gone up to overlap and are equipped with ground connection separation and reunion linkage crank (6), and the two -stage advances clutch (4) and ground connection separation and reunion linkage crank (6) grafting cooperation. The utility model relates to a load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device, small in size, simple structure and effectively prevent misuse, improvement operational safety.
Description
Technical field
This utility model relates to a kind of operating mechanism, especially relate to a kind of mechanism that on on-load switch, isolation knife and earthing are carried out two-stage forward operation, further it is by key, a handle hole, is operated by key point two-stage and advances the different depth in update hole to rotate the operation realized isolation knife or earthing.
Background technology
At present, along with the quick growth of electricity needs, it is necessary to build more distribution substation to meet the demand that electric power increases; The operating safety of the on-load switch that distribution substation uses has been also affected by increasing concern; Distribution user it is frequently necessary to disconnect and adopts isolation knife mains side security isolation to be come after on-load switch load to carry out inspection operation, and must first close before opening cabinet door inspection operation after isolation knife is opened earthing, in case having an accident; When carrying out power transmission, it is necessary to operate in turn, first disconnect earthing, power supply of then isolation knife being closed again, then closed load switch connection load; For this, high-tension switch cabinet have to be equipped with isolation knife, two kinds of operating mechanisms of earthing match with on-load switch, is not only equipped with costly, and operation is convenient not; And owing to two kinds of operating mechanisms are not put together, it is therefore desirable to being separately operated in strict accordance with " five prevent " sequence, now operator (especially new hand) often forget about operating procedure, thus causing the generation of peril.
Summary of the invention
The purpose of this utility model is in that to overcome above-mentioned deficiency, it is provided that a kind of compact, simple in construction and can effectively prevent maloperation, improve the on-load switch isolation knife of processing safety, earthing two-stage forward operation mechanism.
The purpose of this utility model is achieved in that
A kind of on-load switch isolation knife, earthing two-stage forward operation mechanism, include two-stage and advance clutch, described two-stage advances and is respectively arranged with slot radially and axially thereof on clutch, and the slot being radially arranged is connected with axially arranged slot, described two-stage advances in clutch and is plugged with isolation switch shaft, and the axial wall in isolation switch shaft is provided with isolation coupled axle-pin, described isolation coupled axle-pin is positioned at two-stage and advances the slot on clutch, described isolation switch shaft is set with ground connection clutch-linkage crank, two-stage advances clutch to coordinate with ground connection clutch-linkage crank grafting.
This utility model one on-load switch isolation knife, earthing two-stage forward operation mechanism, the slot being radially arranged is connected with axially arranged slot composition one " L " shape groove structure, and isolation coupled axle-pin is positioned at " L " shape groove structure.
This utility model one on-load switch isolation knife, 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 one end of clutch to protrude above towards two-stage and is provided with the cutting inserted in above-mentioned groove.
This utility model one on-load switch isolation knife, earthing two-stage forward operation mechanism, described ground connection clutch-linkage crank is hinged with ground connection drive link, being hinged with grounding shaft driving crank on described ground connection drive link, described grounding shaft driving crank and earthed switch axle are hinged.
This utility model one on-load switch isolation knife, 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, isolation ground connection operation joint to be connected with two-stage by two-stage, the back side of switching mechanism panel is provided with operation protection lock tube, and described operation protection lock tube and two-stage advance and be provided with small pressure spring between clutch.
This utility model one on-load switch isolation knife, earthing two-stage forward operation mechanism, described switching mechanism back side of panel is additionally provided with isolation ground connection deciliter direction board, and described fairlead is connected with isolating ground connection deciliter direction board.
This utility model one on-load switch isolation knife, 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 utility model:
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 operation protection lock tube indentation, operation little dome platform on the key puts in switching mechanism panel completely, big dome platform is blocked in outside switching mechanism panel, now two-stage advances clutch to withstand the cutting that ground connection clutch-linkage crank protrudes, isolation coupled axle-pin is arranged in the axial short groove that two-stage advances the L-shaped groove of clutch, two-stage advances clutch to separate 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. now operate with just the having rotated to isolation tap point position (the big gap position above operating mechanism panel) of size dome platform on the key, two-stage advances the groove on clutch to targeted by the cutting that ground connection clutch-linkage crank protrudes above, if client needs operational grounding to switch, namely again insert operation handle to the inside and promote operation key, operation Protective lock overlaps further indentation, two-stage is promoted to advance the cutting fastening that the groove on clutch protrudes above with ground connection clutch-linkage crank, the operation fully-inserted switching mechanism panel of size dome platform on the key, now isolation coupled axle-pin is positioned at the knuckle place of two-stage propelling clutch L-shaped groove, two-stage advances clutch to connect with ground connection clutch-linkage crank, with isolation switch shaft entirely without separating 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 rotate counterclockwise by ground connection drive link and grounding shaft driving crank, drive earthing closes a floodgate. now isolation coupled axle-pin is arranged in the radial direction elongated slot of two-stage propelling clutch L-shaped groove, and the spindle drive of isolation knife is in disengaged position. two-stage advances the groove that clutch is held on immovable with the position that the cutting of ground connection clutch-linkage crank protrusion fastens. operation size dome platform on the key closes position (the big gap position below operating mechanism panel) with having rotated to isolation tap, 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, operation key alignment isolation tap ground closes position (the big breach indicating positions below operating mechanism panel), update key promotes operation protection lock tube indentation, the radial direction elongated slot of two-stage propelling clutch L-shaped groove it is arranged in owing to now isolating coupled axle-pin, the spindle drive of isolation knife is in disengaged position, two-stage advances the groove that clutch is held on immovable with the position that the cutting of ground connection clutch-linkage crank protrusion fastens, two-stage advances clutch to connect with ground connection clutch-linkage crank, separate with isolation switch shaft, operation size dome platform on the key can put in switching mechanism panel completely, rotation process key counterclockwise, two-stage is driven to advance clutch to rotate counterclockwise, ground connection clutch-linkage crank is driven to rotate 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 on the key is point position (the big gap position above operating mechanism panel) with having rotated to isolation tap, now isolation coupled axle-pin is positioned at the axial short groove place of two-stage propelling clutch L-shaped 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, isolation coupled axle-pin is made to return in the axial short groove that two-stage advances clutch L-shaped groove, two-stage advances clutch to separate with ground connection clutch-linkage crank, connect with isolation switch shaft, now operate little dome platform on the key and put in switching mechanism panel completely, big dome platform is blocked in outside switching mechanism panel, rotation process key counterclockwise, two-stage is driven to advance clutch to rotate counterclockwise, isolation switch shaft is driven to rotate 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 with having rotated to isolation splice grafting point position (operating mechanism panel small gap indicating positions) on the key, extracts operation key.
Compared with prior art, the beneficial effects of the utility model are:
This utility model can pass through key, a handle hole, inserts the different degree of depth and realizes the operation of two switches (earthing and isolation knife); Utilizing two-stage forward operation mechanism, when being advanced into first order operation isolation cutter, earthing is in disengaged condition and remains stationary as; When being advanced into second level operational grounding cutter, isolation knife is in disengaged condition and remains stationary as; Operation sequencing between them can be good at meeting the requirement of GB " five prevent ".
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of on-load switch isolation knife of this utility model, earthing two-stage forward operation mechanism.
Fig. 2 is the broken section enlarged drawing of a kind of on-load switch isolation knife of this utility model, earthing two-stage forward operation mechanism.
Fig. 3 is the operating position view of a kind of on-load switch isolation knife of this utility model, earthing two-stage forward operation mechanism.
Fig. 4 is the schematic diagram of the isolation ground connection deciliter direction board of a kind of on-load switch isolation knife of this utility model, earthing two-stage forward operation mechanism.
Fig. 5 is the operating position view of a kind of on-load switch isolation knife of this utility model, earthing two-stage forward operation mechanism.
Fig. 6 is the schematic diagram of the isolation ground connection deciliter direction board of a kind of on-load switch isolation knife of this utility model, earthing two-stage forward operation mechanism.
Fig. 7 is the operating position view of a kind of on-load switch isolation knife of this utility model, 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 this utility model, 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 this utility model, 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 this utility model, 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 this utility model, 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.
Detailed description of the invention
A kind of on-load switch isolation knife that this utility model relates to, earthing two-stage forward operation mechanism, described mechanism includes two-stage and advances clutch 4, described two-stage advances and is respectively arranged with slot radially and axially thereof on clutch 4, and the slot being radially arranged is connected with axially arranged slot composition one " L " shape inserting slot construction, described two-stage advances in clutch 4 and is plugged with isolation switch shaft 7, and the 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 one end of clutch 4 to protrude above towards two-stage and is provided with the cutting inserted in above-mentioned groove,
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 that two-stage advances 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 that isolation knife is operated; When isolating coupled axle-pin 5 and being positioned at the radial direction slot that two-stage advances 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 that earthing is operated, it is achieved thereby that double-stage operation;
Further, described ground connection clutch-linkage crank 6 being 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, isolation ground connection operation joint 17 to be connected with two-stage by two-stage, 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 and be provided with small pressure spring 15 between clutch 4;
Further, described switching mechanism panel 2 back side is additionally 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 being connected the parts such as sheet;
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;
In conjunction with Fig. 1 ~ 11, the course of action of this utility model on-load switch isolation knife, earthing two-stage forward operation mechanism is illustrated:
When switch with being positioned at isolation splice grafting point position, alignment switching mechanism panel 2 with isolating splice grafting point position (small gap indicating positions), update key 1 promotes operation protection lock tube 14 indentation, little dome platform on operation key 1 puts in switching mechanism panel 2 completely, big dome platform is blocked in outside switching mechanism panel 2, now two-stage advances the cutting dislocation that the groove on clutch 4 protrudes with ground connection clutch-linkage crank 6, two-stage advances clutch 4 to separate with ground connection clutch-linkage crank 6, cannot operational grounding switch, prevent isolation from switching mistiming in the close position and close earthed switch, isolation coupled axle-pin 5 is positioned at the axial short groove that two-stage advances the L-shaped 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 isolation ground connection deciliter direction board 13 instruction isolation separating brake ground connection open position, size dome platform on operation key 1 is point position (big gap position above) with having rotated to isolation tap, and two-stage advances the groove on clutch 4 to targeted by the cutting that ground connection clutch-linkage crank 6 protrudes above, if client needs operational grounding to switch, namely again insert operation handle to the inside and promote operation key 1, the operation protection further indentation of lock tube 14, size dome platform on operation key 1 puts in switching mechanism panel 2 completely, two-stage is promoted to advance the cutting fastening that the groove on clutch 4 protrudes above with ground connection clutch-linkage crank 6, 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 direction elongated slot of L-shaped groove that two-stage advances clutch 4, two-stage advances clutch 4 to separate 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 rotate 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 instruction isolation separating brake contact of earth position;
Size dome platform on operation key 1 closes position (following big gap position) with having rotated to isolation tap, isolation coupled axle-pin 5 is arranged in the radial direction elongated slot that two-stage advances the L-shaped 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 above 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 direction elongated slot that two-stage advances the L-shaped groove of clutch 4, two-stage advances clutch 4 to separate with isolation switch shaft 7, when two-stage advances clutch 4 to rotate, isolation switch shaft 7 dallies, it is impossible to disconnecting switch operation, it is prevented that earthed switch mistiming in the close position closes isolation switch;
Alignment isolation tap ground closes position (following big breach indicating positions), update key 1 promotes operation protection lock tube 14 indentation, rotation process key 1 counterclockwise, two-stage is driven to advance clutch 4 to rotate counterclockwise, ground connection clutch-linkage crank 6 is driven to rotate 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 is point position (big gap position above) with having rotated to isolation tap, now isolation coupled axle-pin 5 is positioned at the axial short groove that two-stage advances the L-shaped 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, big dome platform is return outside switching mechanism panel 2, two-stage advances clutch 4 to eject to switching mechanism panel 2 direction under the back action of small pressure spring 15, two-stage advances the cutting that the groove on clutch 4 protrudes above with ground connection clutch-linkage crank 6 to separate, cannot operational grounding switch, isolation coupled axle-pin 5 returns in the axial short groove of L-shaped groove that two-stage advances clutch 4, two-stage advances clutch 4 and isolation switch shaft 7 to connect, now can disconnecting switch operation,
Rotation process key 1 counterclockwise, drives two-stage to advance clutch 4 to rotate counterclockwise, drives isolation switch shaft 7 to rotate 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 with having rotated to isolation splice grafting point position (small gap position) on operation key 1, extracts operation key 1 subsequently.
Additionally: it should be noted that above-mentioned detailed description of the invention 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 domain 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 and is respectively arranged with slot radially and axially thereof on clutch (4), and the slot being radially arranged is connected with axially arranged slot, described two-stage advances in clutch (4) and is plugged with isolation switch shaft (7), and the axial wall in isolation switch shaft (7) is provided with isolation coupled axle-pin (5), described isolation coupled axle-pin (5) is positioned at two-stage and advances the slot on 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. as claimed in claim 1 a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism, it is characterized in that: the slot being radially arranged is connected with axially arranged slot composition one " L " shape inserting slot construction, isolation coupled axle-pin (5) is positioned at " L " shape inserting slot construction.
3. as claimed in claim 1 a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism, 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), described ground connection clutch-linkage crank (6) advances one end of clutch (4) to protrude above towards two-stage and is provided with the cutting inserted in above-mentioned groove.
4. as claimed in claim 1 a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism, it is characterized in that: described ground connection clutch-linkage crank (6) is hinged with ground connection drive link (10), being hinged with grounding shaft driving crank (12) on described ground connection drive link (10), described grounding shaft driving crank (12) and earthed switch axle (11) are hinged.
5. as claimed in claim 1 a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism, 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) to advance clutch (4), isolation ground connection operation joint (17) to be connected with two-stage by two-stage, 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 and be provided with small pressure spring (15) between clutch (4).
6. as claimed in claim 5 a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism, it is characterized in that: described switching mechanism panel (2) back side is additionally provided with isolation ground connection deciliter direction board (13), and described fairlead (3) is connected with isolation ground connection deciliter direction board (13).
7. as claimed in claim 1 a kind of on-load switch isolation knife, earthing two-stage forward operation mechanism, it is characterized in that: 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058800.5U CN205282356U (en) | 2015-12-18 | 2015-12-18 | Load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058800.5U CN205282356U (en) | 2015-12-18 | 2015-12-18 | Load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282356U true CN205282356U (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521058800.5U Active CN205282356U (en) | 2015-12-18 | 2015-12-18 | Load switch is with keeping apart sword, ground connection sword two -stage propulsion operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205282356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405704A (en) * | 2015-12-18 | 2016-03-16 | 江阴市云峰电器设备有限公司 | Two-stage propulsion operating system of isolation switch and earth switch used for load switch |
| CN107680867A (en) * | 2017-11-21 | 2018-02-09 | 北京合纵科技股份有限公司 | A kind of auxiliary earth switch |
-
2015
- 2015-12-18 CN CN201521058800.5U patent/CN205282356U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405704A (en) * | 2015-12-18 | 2016-03-16 | 江阴市云峰电器设备有限公司 | Two-stage propulsion operating system of isolation switch and earth switch used for load switch |
| CN105405704B (en) * | 2015-12-18 | 2017-06-20 | 江苏云峰科技股份有限公司 | On-load switch isolation knife, earthing two-stage forward operation mechanism |
| CN107680867A (en) * | 2017-11-21 | 2018-02-09 | 北京合纵科技股份有限公司 | A kind of auxiliary earth switch |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214422 Jiangyin Province, Wuxi City, the town of the town of the Road Lane Lane No. 3 Patentee 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 Patentee before: Jiangyin Yunfeng Electrical Equipment Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |