CN103871773A - Three-station operating mechanism - Google Patents
Three-station operating mechanism Download PDFInfo
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- CN103871773A CN103871773A CN201410113248.9A CN201410113248A CN103871773A CN 103871773 A CN103871773 A CN 103871773A CN 201410113248 A CN201410113248 A CN 201410113248A CN 103871773 A CN103871773 A CN 103871773A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 77
- 238000002955 isolation Methods 0.000 claims description 46
- 239000004020 conductor Substances 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention 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 present invention 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, installation and repairing inconvenience.
In view of this, the inventor designs a kind of three station operating mechanisms, and is applied in fuse combined electric apparatus, and this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of three station operating mechanisms, make it simple in structure, volume reduces, and is convenient to assembling, reduces costs, and improves the fail safe of operation.
Another object of the present invention is to provide a kind of three station operating mechanisms that are applied to fuse combined electric apparatus, make structure more compact, improve the versatility between mechanism.
In order to reach above-mentioned purpose, solution of the present invention 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 forward and backward plate of supporting mechanism with for the spacing limited post of 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 ground connection side on/off switch module and the side of isolation 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 present invention has following advantage:
One, the ground connection side on/off switch module of both sides of the present invention 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 point mode, side of isolation on/off switch module is to operate on/off switch along the mode of closing contrary point, between two on/off switch modules, self realize the function of the interlocking of closing a floodgate, if the on/off switch module of a side is in the time of "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 way of output of the present invention is simple, only realizes output by two parts link transmission, and parts are few, assemble simple and easy;
Three, the present invention is applicable to three station isolation grounding switchs and on-load switch, and has the advantages that component universality is high.In the time being applied in fuse combined electric apparatus, only need on basis of the present invention, add a dropout module, just can serve 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.
Brief description of the drawings
Fig. 1 is general assembly schematic diagram of the present invention;
Fig. 2 is the structural representation (hiding mechanism header board) of contact of earth state of the present invention;
Fig. 3 is diagram (hiding mechanism header board) after the structure of contact of earth state of the present invention;
Fig. 4 is the structure diagonal view (hiding mechanism header board) of contact of earth state of the present invention;
Fig. 5 is explosive view of the present invention (the forward and backward plate of hiding mechanism);
Fig. 6 is the structural representation (hiding mechanism header board) that the present invention is applied to combined electrical apparatus;
Fig. 7 is the structure diagonal view (hiding mechanism header board) that the present invention is applied to combined electrical apparatus.
Label declaration
Mechanism's header board 1, plate 2 after mechanism, 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 present invention 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 and 2 of mechanism, 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 is 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 is 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 the output panel 54 and 64 in ground connection side on/off switch module 5 and the side of isolation on/off switch module 6 of the left and right sides respectively by two driving pull bars 43.
The present invention in use, in the time that 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.In the time that 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 and drives connecting lever module 5 counterclockwise to 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.
In the time of 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 in the time of combined floodgate or separating brake, and its operating principle is consistent with ground connection side on/off switch module 5.
For the present invention 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.
In the time that 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 simultaneously, thereby the upper and lower connecting lever sheet 631 and 632 of isolation drive connecting lever module 63 is threaded off from two dropout grooves 86, completes mechanical unlocking separating brake.
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 in the time of "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 in the time of "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 present invention has following advantage:
One, ground connection side on/off switch module 5 and the side of isolation on/off switch module 6 of both sides of the present invention 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 is to operate on/off switch along the mode of closing contrary point, between ground connection side on/off switch module 5 and side of isolation on/off switch module 6, self realize the function of the interlocking of closing a floodgate, if the on/off switch module of a side is in the time of "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 way of output of the present invention is simple, only realizes output by two parts link transmission, and parts are few, assemble simple and easy;
Three, the present invention is applicable to three station isolation grounding switchs and on-load switch, and has the advantages that component universality is high.In the time being applied in fuse combined electric apparatus, only need on basis of the present invention, add a dropout module 8, just can serve 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 invention 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 invention.
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 forward and backward plate of supporting mechanism with for the spacing limited post of 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 ground connection side on/off switch module and the side of isolation on/off switch module of the left and right sides respectively by two driving pull bars.
2. one kind is applied to three station operating mechanisms of fuse combined electric apparatus, it is characterized in that: comprise three station operating mechanisms described in the claims 1, 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410113248.9A CN103871773B (en) | 2014-03-25 | 2014-03-25 | Three station operating mechanisms |
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| CN201410113248.9A CN103871773B (en) | 2014-03-25 | 2014-03-25 | Three station operating mechanisms |
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| CN103871773B CN103871773B (en) | 2016-04-13 |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104409247A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Bidirectional operation mechanism |
| CN105336534A (en) * | 2015-11-30 | 2016-02-17 | 江苏德春电力科技有限公司 | Switch inlet wire operating mechanism |
| CN105977069A (en) * | 2016-07-18 | 2016-09-28 | 厦门凯能电力科技有限公司 | Three-position operating mechanism with buffering function |
| CN107170626A (en) * | 2017-06-02 | 2017-09-15 | 北京杰远电气有限公司 | A kind of three station operating mechanisms |
| CN107706037A (en) * | 2017-10-29 | 2018-02-16 | 默飓电气有限公司 | A kind of high voltage load switch |
| 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 |
| CN107731614A (en) * | 2017-10-29 | 2018-02-23 | 默飓电气有限公司 | It is a kind of to integrate manual and electronic three position mechanism |
| CN107833780A (en) * | 2017-12-06 | 2018-03-23 | 上海劲变电气制造有限公司 | Anti-mistaken interlocking device used for high-voltage switch |
| CN108320985A (en) * | 2018-02-28 | 2018-07-24 | 默飓电气有限公司 | A kind of on-load switch three position mechanism |
| CN108320981A (en) * | 2018-02-28 | 2018-07-24 | 默飓电气有限公司 | It is a kind of manually and electronic in integrated on-load switch three position mechanism |
| CN108321002A (en) * | 2018-02-09 | 2018-07-24 | 浙江华仪电器科技有限公司 | A kind of isolation ground connection three position mechanism |
| CN108470657A (en) * | 2018-02-28 | 2018-08-31 | 默飓电气有限公司 | A kind of combined electrical apparatus three position mechanism |
| CN108766802A (en) * | 2018-07-27 | 2018-11-06 | 中骏电气（厦门）有限公司 | A kind of three station operating mechanisms |
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| CN104409247A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Bidirectional operation mechanism |
| CN104409247B (en) * | 2014-11-27 | 2016-05-18 | 无锡飞世龙机电有限公司 | A kind of double-acting power unit |
| CN105336534A (en) * | 2015-11-30 | 2016-02-17 | 江苏德春电力科技有限公司 | Switch inlet wire operating mechanism |
| CN105977069A (en) * | 2016-07-18 | 2016-09-28 | 厦门凯能电力科技有限公司 | Three-position operating mechanism with buffering function |
| CN107170626A (en) * | 2017-06-02 | 2017-09-15 | 北京杰远电气有限公司 | A kind of three station operating mechanisms |
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| 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 |
| CN107731614A (en) * | 2017-10-29 | 2018-02-23 | 默飓电气有限公司 | It is a kind of to integrate manual and electronic three position mechanism |
| CN107706037B (en) * | 2017-10-29 | 2020-11-03 | 默飓电气有限公司 | High-voltage load switch |
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| 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 |
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| CN112908769A (en) * | 2021-01-26 | 2021-06-04 | 北京清畅电力技术股份有限公司 | Three-station manual isolation device of ring main unit and control method thereof |
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Address after: No. 47 Huanzhu Road, North Industrial Zone, Jimei District, Xiamen City, Fujian Province, 361000 Patentee after: Zhongjun Intelligent Electrical Technology Co., Ltd. Address before: No. 47 Huanzhu Road, North Industrial Zone, Jimei District, Xiamen City, Fujian Province, 361000 Patentee before: SOUTH CHINA ELECTRIC DEVELOPMENT (XIAMEN) LTD. |
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