CN203812786U - Three-station operating mechanism - Google Patents
Three-station operating mechanism Download PDFInfo
- Publication number
- CN203812786U CN203812786U CN201420136805.4U CN201420136805U CN203812786U CN 203812786 U CN203812786 U CN 203812786U CN 201420136805 U CN201420136805 U CN 201420136805U CN 203812786 U CN203812786 U CN 203812786U
- Authority
- CN
- China
- Prior art keywords
- connecting lever
- module
- spring
- output shaft
- ground connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a three-station operating mechanism. The three-station operating mechanism comprises a mechanism front plate, a mechanism rear plate, an output shaft module, a grounding side closing and opening module, an isolating side closing and opening module and a spring module. All the modules are assembled between the mechanism front plate and the mechanism rear plate. The output shaft module comprises an output shaft, an output shaft connecting lever and a drive pull rod. The spring module comprises a spring guide rod, a spring and a spring base. A limiting column for supporting the mechanism front plate and the mechanism rear plate and conducting mechanism closing and opening limiting is arranged between the mechanism front plate and the mechanism rear plate. The grounding side closing and opening module comprises a drive plate, a grounding operating shaft, a grounding drive connecting lever module and an output disc. The isolating side closing and opening module comprises a drive plate, an isolating operating shaft, an isolating drive connecting lever module and an output disc. The three-station operating mechanism is simple in structure, convenient to assemble, capable of reducing cost, safe, and reliable. A tripping module is additionally arranged and applied to a fuse-combination unit, and therefore the structure is more compact, and universality of the mechanism is improved.
Description
Technical field
The utility model relates to a kind of three station operating mechanisms, special relevant with three station operating mechanisms that are applied to fuse combined electric apparatus.
Background technology
So-called three stations refer to three service positions: the closing position that, isolated switch main fracture is connected; Two, the isolated location that main fracture separates; Three, the earthing position of ground connection side.Three-station is exactly the function of having integrated isolating switch and earthed switch in fact, and is completed by a cutter, so just can realize mechanical latching, prevents the charged ground cutter that closes of major loop.
Three station operating mechanisms, as core component main in high-voltage switch gear, need to have good reliability.At present, many three station spring operating mechanism volumes are large, complex structure, and versatility is not high, parts machining trouble, not only affects stability and the reliability of mechanism, and causes global facility volume to increase, cost cost is high, is unfavorable for batch production, and installation and repairing is inconvenient.
In view of this, the utility model people designs a kind of three station operating mechanisms, and is applied in fuse combined electric apparatus, and this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of three station operating mechanisms, makes it simple in structure, and volume reduces, and is convenient to assembling, reduces costs, and improves the fail safe of operation.
Another object of the present utility model is to provide a kind of three station operating mechanisms that are applied to fuse combined electric apparatus, makes structure more compact, improves the versatility between mechanism.
In order to reach above-mentioned purpose, solution of the present utility model is:
Three station operating mechanisms, comprise plate after mechanism's header board, mechanism, output shaft module, ground connection side on/off switch module, side of isolation on/off switch module and spring module, and each module is all assemblied in after mechanism's header board and mechanism between plate; Output shaft module comprises output shaft, output shaft connecting lever and drives pull bar, and output shaft is arranged on the middle part of plate after mechanism, and ground connection side on/off switch module and side of isolation on/off switch module, centered by output shaft, are distributed in output shaft both sides; Spring module comprises spring conductor rod, spring and spring base, spring conductor rod is through spring, spring conductor rod and spring are located between ground connection side on/off switch module and side of isolation on/off switch module by the spring frame of seat, are provided with for the spacing limited post of the forward and backward Ban Hegong of supporting mechanism mechanism's on/off switch between the forward and backward plate of mechanism;
Ground connection side on/off switch module comprises drive plate, ground connection operating axis, ground connection drives connecting lever module and output panel, drive plate is fixed on ground connection operating axis, ground connection drives connecting lever module to comprise connecting lever sheet, lower connecting lever sheet, drive pin, support column and the strutting piece coordinating with drive plate, on, lower connecting lever sheet is coaxial with drive plate, support column two ends are connected to respectively, on lower connecting lever sheet, drive pin passes lower connecting lever sheet and is fixed on connecting lever, strutting piece passes upper connecting lever sheet and is fixed on lower connecting lever, strutting piece is connected with one end of spring, output panel comprises two plectanes and support column, two plectanes are articulated on ground connection operating axis, support column two ends are connected to respectively on two plectanes, two plectanes are equipped with the gathering sill coordinating with drive pin,
Side of isolation on/off switch module comprises drive plate, isolated operation axle, isolation drive connecting lever module and output panel, drive plate is fixed on isolated operation axle, isolation drive connecting lever module comprises connecting lever sheet, lower connecting lever sheet, drive pin, support column and for the strutting piece of linking springs, on, lower connecting lever sheet is coaxial with drive plate, support column two ends are connected to respectively, on lower connecting lever sheet, drive pin passes lower connecting lever sheet and is fixed on connecting lever, strutting piece passes upper connecting lever sheet and is fixed on lower connecting lever, strutting piece is connected with the other end of spring, output panel comprises two plectanes and support column, two plectanes are articulated on isolated operation axle, support column two ends are connected to respectively on two plectanes, two plectanes are equipped with the gathering sill coordinating with drive pin upper end,
Output shaft connecting lever in output shaft module is articulated on output shaft, and output shaft connecting lever is connected with the output panel in side of isolation on/off switch module with the ground connection side on/off switch module of the left and right sides respectively by two driving pull bars.
A kind of three station operating mechanisms that are applied to fuse combined electric apparatus, comprise three described station operating mechanisms, this three station operating mechanism also comprises dropout module, dropout module and side of isolation on/off switch module the same side, dropout module comprises trip shaft, changable buckle, nylon rope, drive plate and tripping coil, trip shaft is fixed on mechanism's header board, trip shaft is provided with and supplies respectively in isolation drive connecting lever module, two dropout grooves of lower connecting lever sheet butt, changable buckle is connected with drive plate by nylon rope, drive plate is fixed on the below in trip shaft and in tripping coil.
Adopt after such scheme, the utlity model has following advantage:
One, the ground connection side on/off switch module of the utility model both sides and side of isolation on/off switch module have interlocking capability, ground connection side on/off switch module operates on/off switch with contrary closing along a minute mode, side of isolation on/off switch module operates on/off switch in the mode along closing contrary minute, between two on/off switch modules, self realized the function of the interlocking of closing a floodgate, if the on/off switch module of a side is when "on" position, the on/off switch module of opposite side cannot operate and complete combined floodgate.Only have when the ground connection side on/off switch module of both sides and side of isolation on/off switch module are during all in gate-dividing state, the on/off switch module of any side just can be carried out closing operation, has reduced misoperation risk, has improved processing safety;
Two, the utility model way of output is simple, only by two parts link transmission, realizes output, and parts are few, assemble simple and easy;
Three, the utility model is applicable to three station isolation grounding switchs and on-load switch, and has the advantages that component universality is high.When being applied in fuse combined electric apparatus, only need on basis of the present utility model, add a dropout module, just can be as the driving mechanism of combined electrical apparatus.Modular structure not only makes mechanism more compact, and has greatly improved the versatility between various mechanisms.
Accompanying drawing explanation
Fig. 1 is general assembly schematic diagram of the present utility model;
Fig. 2 is the structural representation (hiding mechanism header board) of the utility model contact of earth state;
Fig. 3 is diagram (hiding mechanism header board) after the structure of the utility model contact of earth state;
Fig. 4 is the structure diagonal view (hiding mechanism header board) of the utility model contact of earth state;
Fig. 5 is the utility model explosive view (the forward and backward plate of hiding mechanism);
Fig. 6 is the structural representation (hiding mechanism header board) that the utility model is applied to combined electrical apparatus;
Fig. 7 is the structure diagonal view (hiding mechanism header board) that the utility model is applied to combined electrical apparatus.
Label declaration
Mechanism's header board 1, after mechanism, plate 2, limited post 3, output shaft module 4, output shaft 41, output shaft connecting lever 42, drive pull bar 43, ground connection side on/off switch module 5, drive plate 51, ground connection operating axis 52, ground connection drives connecting lever module 53, upper connecting lever sheet 531, lower connecting lever sheet 532, drive pin 533, support column 534, strutting piece 535, output panel 54, plectane 541, support column 542, gathering sill 543, side of isolation on/off switch module 6, drive plate 61, isolated operation axle 62, isolation drive connecting lever module 63, upper connecting lever sheet 631, lower connecting lever sheet 632, drive pin 633, support column 634, strutting piece 635, output panel 64, plectane 641, support column 642, gathering sill 643, spring conductor rod 7, spring 8, trip shaft 81, changable buckle 82, nylon rope 83, drive plate 84, tripping coil 85, dropout groove 86.
Embodiment
As shown in Figures 1 to 7, three station operating mechanisms that the utility model discloses, comprise plate 2 after mechanism's header board 1, mechanism, output shaft module 4, ground connection side on/off switch module 5, side of isolation on/off switch module 6 and spring module 7, each module is all assemblied in after mechanism's header board 1 and mechanism between plate 2; Output shaft module 4 comprises output shaft 41, output shaft connecting lever 42 and drives pull bar 43, and output shaft 41 is arranged on the middle part of plate 2 after mechanism.The ground connection side on/off switch module 5 of this embodiment and side of isolation on/off switch module 6, centered by output shaft 41, are inverted triangle shape and are distributed in output shaft 41 both sides.Spring module comprises spring conductor rod 7, spring 8 and spring base, and spring conductor rod 7 is through spring 8, and spring conductor rod 7 and spring 8 are located between ground connection side on/off switch module 5 and side of isolation on/off switch module 6 by the spring frame of seat.For the forward and backward plate 1 of supporting mechanism and 2 and spacing for mechanism's on/off switch, between the forward and backward plate 1 of mechanism and 2, be provided with limited post 3.
Ground connection side on/off switch module 5 comprises drive plate 51, ground connection operating axis 52, ground connection drives connecting lever module 53 and output panel 54, drive plate 51 is fixed on ground connection operating axis 52, ground connection drives connecting lever module 53 to comprise connecting lever sheet 531, lower connecting lever sheet 532, drive pin 533, support column 534 and the strutting piece 535 coordinating with drive plate 51, on, lower connecting lever sheet 531 and 532 coaxial with drive plate 51, support column 534 two ends are connected to respectively, on lower connecting lever sheet 531 and 532, drive pin 533 passes lower connecting lever sheet 532 and is fixed on connecting lever 531, strutting piece 535 passes upper connecting lever sheet 531 and is fixed on lower connecting lever 532, strutting piece 535 is connected with one end of spring 8.Output panel 54 comprises that two plectanes 541 and support column 542, two plectanes 541 are articulated on ground connection operating axis 52, and support column 542 two ends are connected to respectively on two plectanes 541, and two plectanes 541 are equipped with the gathering sill 543 coordinating with drive pin 533.
Side of isolation on/off switch module 6 comprises drive plate 61, isolated operation axle 62, isolation drive connecting lever module 63 and output panel 64, drive plate 61 is fixed on isolated operation axle 62, isolation drive connecting lever module 63 comprises connecting lever sheet 631, lower connecting lever sheet 632, drive pin 633, support column 634 and the strutting piece 635 coordinating with drive plate 61, on, lower connecting lever sheet 631 and 632 coaxial with drive plate 61, support column 634 two ends are connected to respectively, on lower connecting lever sheet 631 and 632, drive pin 633 passes lower connecting lever sheet 632 and is fixed on connecting lever 631, strutting piece 635 passes upper connecting lever sheet 631 and is fixed on lower connecting lever 632, strutting piece 635 is connected with one end of spring 8.Output panel 64 comprises that two plectanes 641 and support column 642, two plectanes 641 are articulated on isolated operation axle 62, and support column 642 two ends are connected to respectively on two plectanes 641, and two plectanes 641 are equipped with the gathering sill 643 coordinating with drive pin 633 upper ends.
Output shaft connecting lever 42 in output shaft module 4 is fixed on output shaft 41, and output shaft connecting lever 42 is connected with 64 with the output panel 54 in side of isolation on/off switch module 6 with the ground connection side on/off switch module 5 of the left and right sides respectively by two driving pull bars 43.
The utility model in use, when ground connection side on/off switch module 5 is closed a floodgate, counterclockwise operational grounding operating axis 52, drive plate 51 is produced to be rotated counterclockwise, drive plate 51 orders about and drives connecting lever module 53 to do counterclockwise circular motion by ordering about the strutting piece 535 driving in connecting lever module 53, and strutting piece 535 also starts the spring 8 that compression connects.Now the parts of side of isolation on/off switch module 6 are in static and cannot actuating state.When ground connection drives connecting lever module 5 to rotate the compression point of spring 8, spring 8 starts to discharge and orders about ground connection driving connecting lever module 5 and counterclockwise continue and quick rotation, and ground connection drives the drive pin 533 in connecting lever module 5 to contact output panel 54 gathering sills 543 and driver output dish 54 rotates.The driving pull bar 43 of output shaft module 4 is subject to output panel 54 rotary actions to drive output shaft connecting lever 42, thereby makes output shaft 41 rotate to realize the output of on/off switch.And prop up on the limited post 3 in mechanism after output panel 54 turns to the angle of mechanism's setting, ground connection drives connecting lever module 53 to stop action.
When ground connection side on/off switch module 5 separating brake, ground connection operating axis 52 moves in the direction of the clock, and ground connection drives connecting lever module 5 separating brake operating principles consistent with combined floodgate mode.Meanwhile, side of isolation on/off switch module 6 is when combined floodgate or separating brake, and its operating principle is consistent with ground connection side on/off switch module 5.
For the utility model is useful in fuse combined electric apparatus, this embodiment adds a dropout module 8 on the basis of above-mentioned three station operating mechanisms, dropout module 8 is arranged on side of isolation on/off switch module 7 one sides, dropout module 8 comprises trip shaft 81, changable buckle 82, nylon rope 83, drive plate 84 and tripping coil 85, trip shaft 81 is articulated in after mechanism on plate 2, trip shaft 81 is provided with and supplies respectively in isolation drive connecting lever module 7, two dropout grooves 86 of lower connecting lever sheet 631 and 632 butts, changable buckle 82 is connected with drive plate 84 by nylon rope 83, drive plate 84 is fixed on the below in trip shaft 81 and in tripping coil 85.
When needs carry out emergency trip, by pressing changable buckle 82, nylon rope 83 is stretched downwards.Be subject to the effect of tripping coil 85, nylon rope 83 pulls drive plate 84 and trip shaft 81 is rotated, thereby the upper and lower connecting lever sheet 631 of isolation drive connecting lever module 63 and 632 is threaded off from two dropout grooves 86, completes mechanical unlocking separating brake simultaneously.
Ground connection side on/off switch module 5 and side of isolation on/off switch module 6 have the function of interlocking.Ground connection side on/off switch module 5 is when "on" position, and side of isolation on/off switch module 6 cannot be carried out closing operation.Side of isolation on/off switch module 6 is when "on" position, and ground connection side on/off switch module 5 cannot be carried out closing operation.Ground connection side on/off switch module 5 and side of isolation on/off switch module 6 cannot be simultaneously in "on" position and cannot operate simultaneously.Only have when the two is during all in gate-dividing state, ground connection side on/off switch module 5 or side of isolation on/off switch module 6 just can be carried out closing operation.
The utlity model has following advantage:
One, ground connection side on/off switch module 5 and the side of isolation on/off switch module 6 of the utility model both sides have interlocking capability, ground connection side on/off switch module 5 operates on/off switch with contrary closing along the mode of dividing, side of isolation on/off switch module 6 operates on/off switch in the mode along closing contrary minute, between ground connection side on/off switch module 5 and side of isolation on/off switch module 6, self realized the function of the interlocking of closing a floodgate, if the on/off switch module of a side is when "on" position, the on/off switch module of opposite side cannot operate and complete combined floodgate.Only have when the ground connection side on/off switch module 5 of both sides and side of isolation on/off switch module 6 are during all in gate-dividing state, the on/off switch module of any side just can be carried out closing operation, has reduced misoperation risk, has improved processing safety;
Two, the utility model way of output is simple, only by two parts link transmission, realizes output, and parts are few, assemble simple and easy;
Three, the utility model is applicable to three station isolation grounding switchs and on-load switch, and has the advantages that component universality is high.When being applied in fuse combined electric apparatus, only need on basis of the present utility model, add a dropout module 8, just can be as the driving mechanism of combined electrical apparatus.Modular structure not only makes mechanism more compact, and has greatly improved the versatility between various mechanisms.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.
Claims (2)
1. three station operating mechanisms, is characterized in that: comprise plate after mechanism's header board, mechanism, output shaft module, ground connection side on/off switch module, side of isolation on/off switch module and spring module, each module is all assemblied in after mechanism's header board and mechanism between plate; Output shaft module comprises output shaft, output shaft connecting lever and drives pull bar, and output shaft is arranged on the middle part of plate after mechanism, and ground connection side on/off switch module and side of isolation on/off switch module, centered by output shaft, are distributed in output shaft both sides; Spring module comprises spring conductor rod, spring and spring base, spring conductor rod is through spring, spring conductor rod and spring are located between ground connection side on/off switch module and side of isolation on/off switch module by the spring frame of seat, are provided with for the spacing limited post of the forward and backward Ban Hegong of supporting mechanism mechanism's on/off switch between the forward and backward plate of mechanism;
Ground connection side on/off switch module comprises drive plate, ground connection operating axis, ground connection drives connecting lever module and output panel, drive plate is fixed on ground connection operating axis, ground connection drives connecting lever module to comprise connecting lever sheet, lower connecting lever sheet, drive pin, support column and the strutting piece coordinating with drive plate, on, lower connecting lever sheet is coaxial with drive plate, support column two ends are connected to respectively, on lower connecting lever sheet, drive pin passes lower connecting lever sheet and is fixed on connecting lever, strutting piece passes upper connecting lever sheet and is fixed on lower connecting lever, strutting piece is connected with one end of spring, output panel comprises two plectanes and support column, two plectanes are articulated on ground connection operating axis, support column two ends are connected to respectively on two plectanes, two plectanes are equipped with the gathering sill coordinating with drive pin,
Side of isolation on/off switch module comprises drive plate, isolated operation axle, isolation drive connecting lever module and output panel, drive plate is fixed on isolated operation axle, isolation drive connecting lever module comprises connecting lever sheet, lower connecting lever sheet, drive pin, support column and for the strutting piece of linking springs, on, lower connecting lever sheet is coaxial with drive plate, support column two ends are connected to respectively, on lower connecting lever sheet, drive pin passes lower connecting lever sheet and is fixed on connecting lever, strutting piece passes upper connecting lever sheet and is fixed on lower connecting lever, strutting piece is connected with the other end of spring, output panel comprises two plectanes and support column, two plectanes are articulated on isolated operation axle, support column two ends are connected to respectively on two plectanes, two plectanes are equipped with the gathering sill coordinating with drive pin upper end,
Output shaft connecting lever in output shaft module is articulated on output shaft, and output shaft connecting lever is connected with the output panel in side of isolation on/off switch module with the ground connection side on/off switch module of the left and right sides respectively by two driving pull bars.
2. three station operating mechanisms as claimed in claim 1, it is characterized in that: this three station operating mechanism also comprises dropout module, dropout module and side of isolation on/off switch module the same side, dropout module comprises trip shaft, changable buckle, nylon rope, drive plate and tripping coil, trip shaft is fixed on mechanism's header board, trip shaft is provided with the two dropout grooves that supply respectively the upper and lower connecting lever sheet of isolation drive connecting lever module butt, changable buckle is connected with drive plate by nylon rope, and drive plate is fixed on the below in trip shaft and in tripping coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136805.4U CN203812786U (en) | 2014-03-25 | 2014-03-25 | Three-station operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136805.4U CN203812786U (en) | 2014-03-25 | 2014-03-25 | Three-station operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812786U true CN203812786U (en) | 2014-09-03 |
Family
ID=51451505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420136805.4U Withdrawn - After Issue CN203812786U (en) | 2014-03-25 | 2014-03-25 | Three-station operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812786U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871773A (en) * | 2014-03-25 | 2014-06-18 | 厦门凯能电力科技有限公司 | Three-station operating mechanism |
| CN107706035A (en) * | 2017-10-29 | 2018-02-16 | 默飓电气有限公司 | It is a kind of to integrate the manual and electronic three position mechanism threaded off with separating brake |
| CN110246723A (en) * | 2019-07-25 | 2019-09-17 | 江苏洛凯电气有限公司 | On-load switch mechanism separating brake latching device |
| CN111049053A (en) * | 2019-12-14 | 2020-04-21 | 宁波木易电气有限公司 | Aerify inlet wire mechanism of cabinet |
| CN114400160A (en) * | 2021-12-16 | 2022-04-26 | 北京聚能达电力技术有限公司 | Direct-acting type isolation mechanism |
-
2014
- 2014-03-25 CN CN201420136805.4U patent/CN203812786U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871773A (en) * | 2014-03-25 | 2014-06-18 | 厦门凯能电力科技有限公司 | Three-station operating mechanism |
| CN103871773B (en) * | 2014-03-25 | 2016-04-13 | 厦门凯能电力科技有限公司 | Three station operating mechanisms |
| CN107706035A (en) * | 2017-10-29 | 2018-02-16 | 默飓电气有限公司 | It is a kind of to integrate the manual and electronic three position mechanism threaded off with separating brake |
| CN107706035B (en) * | 2017-10-29 | 2020-05-05 | 默飓电气有限公司 | Manual and electric three-station mechanism with brake separating and tripping functions |
| CN110246723A (en) * | 2019-07-25 | 2019-09-17 | 江苏洛凯电气有限公司 | On-load switch mechanism separating brake latching device |
| CN110246723B (en) * | 2019-07-25 | 2024-04-19 | 江苏洛凯电气有限公司 | Brake-separating locking mechanism for load switch mechanism |
| CN111049053A (en) * | 2019-12-14 | 2020-04-21 | 宁波木易电气有限公司 | Aerify inlet wire mechanism of cabinet |
| CN111049053B (en) * | 2019-12-14 | 2022-03-22 | 宁波木易电气有限公司 | Aerify inlet wire mechanism of cabinet |
| CN114400160A (en) * | 2021-12-16 | 2022-04-26 | 北京聚能达电力技术有限公司 | Direct-acting type isolation mechanism |
| CN114400160B (en) * | 2021-12-16 | 2024-04-02 | 北京聚能达电力技术有限公司 | Direct-acting isolation mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103871773A (en) | Three-station operating mechanism | |
| CN203812786U (en) | Three-station operating mechanism | |
| CN103456558B (en) | A kind of operating mechanism of vacuum circuit-breaker | |
| CN107968025B (en) | Compact automatic closing circuit breaker | |
| CN108305813B (en) | Single-motor three-station mechanism for outputting multiple rotation angles | |
| CN108766802A (en) | A kind of three station operating mechanisms | |
| CN103545149B (en) | A kind of circuit-breaker switching on-off operating device | |
| CN204558387U (en) | A kind of circuit breaker operating mechanism | |
| CN104616916B (en) | The operating mechanism of three kinds of state of switch electrical equipment can be realized | |
| CN108231497A (en) | Auxiliary switch | |
| CN203813294U (en) | Medium-voltage switch cabinet interlocking device | |
| CN205845739U (en) | A kind of three station operating mechanisms of band pooling feature | |
| CN209199807U (en) | For ring main unit load switch and fuse combined electric apparatus operating mechanism device | |
| CN105244236B (en) | Integral modular intelligent micro-circuit breaker | |
| CN104576092B (en) | Contact mechanism of switching device capable of realizing three states | |
| CN105977069A (en) | Three-position operating mechanism with buffering function | |
| CN208922926U (en) | A kind of three station operating mechanisms | |
| CN203415896U (en) | Combination accessory of draw-out breaker | |
| CN110718404A (en) | Semiconductor equipment control system | |
| CN104538261A (en) | Quick-acting bypass device | |
| CN102882269B (en) | Novel change-over switch | |
| CN112951625A (en) | Compact modular switch operating mechanism | |
| CN203466146U (en) | Circuit breaker opening and closing manipulation device | |
| CN202905587U (en) | A four-function-integrating operating mechanism of a high-voltage vacuum isolation breaker | |
| CN103646801A (en) | An isolating grounding switch integrating three operation locations |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |