CN203179777U - Three-station operation mechanism - Google Patents
Three-station operation mechanism Download PDFInfo
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- CN203179777U CN203179777U CN 201220720044 CN201220720044U CN203179777U CN 203179777 U CN203179777 U CN 203179777U CN 201220720044 CN201220720044 CN 201220720044 CN 201220720044 U CN201220720044 U CN 201220720044U CN 203179777 U CN203179777 U CN 203179777U
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- gear
- ground connection
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- isolation
- stopper slot
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Abstract
The utility model provides a three-station operation mechanism including a mechanism front board and a mechanism rear board. The three-station operation mechanism is characterized in that a plurality of gears are arranged between the mechanism front board and the mechanism rear board. The gears include an isolation first-grade gear; an isolation second-grade gear shaft arranged to be able to engage with the isolation first-grade gear; a grounding first-grade gear; a grounding second-grade gear shaft arranged to be able to engage with the ground first-grade gear; and an output gear arranged to be able to engage with the above isolation second-grade gear and the above grounding second-grade gear respectively. The three-station operation mechanism provided by the utility model, the switching among three working stations of connection, isolation and grounding can be realized. The three-station operation mechanism I is simple and reliable in structure and principle and has a reliable interlocking function.
Description
Technical field
The utility model relates to a kind of operating mechanism of switching device, particularly be applicable to have connection, three station operating mechanisms of the high voltage switching device of isolation and three kinds of working methods of ground connection.
Background technology
Along with the development of China's electric utility, electric power system improves constantly the high reliability of power equipment, requirement non-maintaining, miniaturization, and the switching device with three station operating mechanisms adapts to the new high-tech product of this requirement just.Switching device with three station operating mechanisms is one of core parts of gas insulation switch cabinet, and it assembles one with isolating switch and earthed switch, realizes connection, isolation and 3 stations of ground connection.Have the electronic or manual operation of the general employing of switching device of three station operating mechanisms, utilize the manual/electric switching mechanism to realize the selection of mode of operation.If but manual operation directly is connected with drive motor, then its operating physical force is very big and have a situation of the reverse generating of motor, will reduction of service life and cause the secondary line fault easily.
At present, three station operating mechanisms are as the critical elements of switching device, and nominal situation is to operate under the no current situation, generally speed and the time of separating brake and combined floodgate do not stipulated.And when being used in it in loop-network switch cabinet of secondary power distribution, rated current and the rated short circuit drop-out current of system are less, and the required touch voltage of primary conductive contact is also little, therefore need not to adopt motor drive mechanism.Though utilize the manual/electric switching mechanism can be implemented in conversion and iterative motion between connection, isolation and three service positions of ground connection, have that its volume is big, complex structure, operating physical force is big and the number of spare parts multidimensional is repaiied many defectives such as difficulty.
The utility model content
The utility model is finished in view of the above problems, its purpose is to provide a kind of three station operating mechanisms, it can realize connection, isolation and three kinds of working methods of ground connection with simple structure, and overall volume is less, reliability is high, be not easy to be subjected to the influence of external environment, therefore not only can improve maintainability, the complexity that reduction equipment is installed can also improve the usage safety performance of switching device.
The utility model provides a kind of three station operating mechanisms, and it comprises plate after mechanism's header board and the mechanism, it is characterized in that:
Be provided with a plurality of gears after said mechanism header board and the said mechanism between the plate,
Above-mentioned a plurality of gear comprises:
Isolate first order gear;
Isolate second level gear shaft, it is arranging with the mode of above-mentioned isolation first order gear engagement;
Ground connection first order gear;
Ground connection second level gear shaft, it is arranging with the mode of above-mentioned ground connection first order gear engagement; With
Output gear, it is can be respectively to arrange with the mode of above-mentioned isolation second level gear and the engagement of above-mentioned ground connection second level gear.
According to three station operating mechanisms of the present utility model, wherein, above-mentioned ground connection second level gear adopts half gear structure, comprise that being provided with gear can and not arrange the cogged first slick and sly portion with first gear part of above-mentioned ground connection first order gear engagement, above-mentioned isolation second level gear adopts half gear structure, comprise that being provided with gear can and not arrange the cogged second slick and sly portion with second gear part of above-mentioned isolation first order gear engagement, above-mentioned output gear adopts half gear structure, comprises that being provided with gear can and not arrange the cogged the 3rd slick and sly portion with the 3rd gear part of above-mentioned ground connection second level gear or above-mentioned isolation second level gear engagement.
According to three station operating mechanisms of the present utility model, wherein, on a side surface of the close above-mentioned ground connection second level of plate after said mechanism gear, be formed with first stopper slot in the position of answering with above-mentioned ground connection second level gear mesh, and on a side surface of plate after the close said mechanism of above-mentioned ground connection second level gear, be provided with first limited post that can in above-mentioned first stopper slot, slide, on a side surface of the close above-mentioned isolation second level of plate after said mechanism gear, be formed with second stopper slot in the position of answering with above-mentioned isolation second level gear mesh, and on a side surface of plate after the close said mechanism of above-mentioned isolation second level gear, be provided with second limited post that can in above-mentioned second stopper slot, slide, be provided with the 3rd stopper slot at above-mentioned output gear, be provided with the 3rd limited post that can in above-mentioned the 3rd stopper slot, move at the position corresponding with above-mentioned the 3rd stopper slot of above-mentioned output gear of plate after the said mechanism.
According to three station operating mechanisms of the present utility model, wherein, the length setting of above-mentioned first stopper slot is proportional with the length of above-mentioned first gear part of above-mentioned ground connection second level gear, the length setting of above-mentioned second stopper slot is proportional with the length of above-mentioned second gear part of above-mentioned isolation second level gear, and the length of above-mentioned the 3rd stopper slot is can make above-mentioned the 3rd gear part of above-mentioned output gear and the mode of the engagement of the either party in above-mentioned ground connection second level gear and the above-mentioned isolation second level gear set.
According to three station operating mechanisms of the present utility model, wherein, gear is provided with the ground spring assembly in the above-mentioned ground connection second level, and gear is provided with the spacer spring assembly in the above-mentioned isolation second level.
According to three station operating mechanisms of the present utility model, wherein, above-mentioned output gear is fixed in after the said mechanism on the plate by output gear shaft, and above-mentioned output gear shaft dorsal part of plate after said mechanism flatly extends, and is formed with mechanism's output shaft.
According to three station operating mechanisms of the present utility model, wherein, also offer observation window at the said mechanism header board, be used for observing the working condition of above-mentioned isolation first order gear and above-mentioned ground connection first order gear.
According to three station operating mechanisms of the present utility model, can realize connection, isolation and three kinds of working methods of ground connection with simple structure, and overall volume is less, reliability is high, be not easy to be subjected to the influence of external environment, therefore not only can improve maintainability, the complexity that reduction equipment is installed can also improve the usage safety performance of switching device.
Description of drawings
The front view of three station operating mechanisms of the switching device that Fig. 1 relates to for the utility model.
The side cross-sectional, view of three station operating mechanisms of the switching device that Fig. 2 relates to for the utility model.
Fig. 3 sheds the front view of the isolated location behind mechanism's header board for three station operating mechanisms of the switching device that relates to of expression the utility model.
Fig. 4 sheds the front view of the on-position behind mechanism's header board for three station operating mechanisms of the switching device that relates to of expression the utility model.
Fig. 5 sheds the front view of the earthing position behind mechanism's header board for three station operating mechanisms of the switching device that relates to of expression the utility model.
Description of reference numerals:
1-mechanism header board; Plate after the 2-mechanism; The 3-joint pin; 4-mechanism output shaft; 5-isolated operation main shaft; 6-ground connection operation axis; 7-spacer spring assembly; The 8-limited post; The 9-stopper slot; 10-isolates second level gear; 11-isolates first order gear; The 12-output gear; 13-ground connection second level gear; 14-ground connection first order gear; The 15-stopper slot; The 16-limited post; 17-ground spring assembly; The 18-limited post; 19-isolates second level gear shaft; 20-ground connection second level gear shaft; The 21-output gear shaft; The 22-fixing threaded hole; 23,25,27,30-slyness portion; 24,26,29-gear part; The 28-stopper slot.
Embodiment
Below, with reference to accompanying drawing, the execution mode of three station operating mechanisms of switching device of the present utility model is elaborated.
The front view of three station operating mechanisms of the switching device that Fig. 1 relates to for the utility model.As shown in Figure 1, three station operating mechanisms comprise plate 2 after mechanism's header board 1, the mechanism, be used for plate 2 after mechanism's header board 1 and the mechanism is fixedly coupled post 3 in a parallel manner and is arranged on mechanism's header board 1 and mechanism after a plurality of gears etc. between the plate 2.
As shown in Figure 1, mechanism's header board 1 is the rectangular shape of four indent drift angles, exposes near the fixing threaded hole 22 four drift angles that are positioned at plate 2 after the mechanism.Mechanism's header board 1 respectively is provided with a joint pin 3 in left upper portion, right upper portion, left bottom and bottom, right side, is used for plate after the mechanism 2 and mechanism's header board 1 fixing abreast.The position of joint pin 3 is not limited to this, only otherwise influence gets final product at other parts that arrange between the plate 2 after mechanism's header board 1 and the mechanism.
Also offer the observation window (not shown) at mechanism's header board 1, be used for to observe to be installed on the isolation first order gear 11 described later between the plate 2 and the working condition of ground connection first order gear 14 after mechanism's header board 1 and the mechanism.
Also be provided with and isolate isolated operation main shaft 5 and the ground connection operation axis 6 that first order gear 11 and ground connection first order gear 14 are connected with ground connection actuating switch with the isolation actuating switch of switching device respectively at mechanism's header board 1 as shown in Figure 1.
Below isolated operation main shaft 5 and ground connection operation axis 6, be respectively arranged with and isolate second level gear shaft 19 and ground connection second level gear shaft 20, be respectively applied to be fixed on after mechanism's header board 1 and the mechanism between the plate 2 in the mode that can rotate isolating second level gear 10 and ground connection secondary gear 13.
Also be provided with peristome at mechanism's header board 1, be provided with output gear 12 in the position corresponding with peristome and the output gear shaft 21 on the plate 2 after mechanism described later output shaft 4 is fixed on mechanism with this output gear 12.Can observe, install and change output gear 12 by this peristome.
The side cross-sectional, view of three station operating mechanisms of the switching device that Fig. 2 relates to for the utility model.As shown in Figure 2, joint pin 3 with mechanism's header board 1 and mechanism after plate 2 be fixed together abreast.The rear side of output gear shaft 21 plate 2 after mechanism of output gear 12 is extended and is connected with mechanism output shaft 4.Output gear shaft 21 can form as one with mechanism output shaft 4.Mechanism's output shaft 4 with mechanism after the end of plate 2 opposite sides adopt the half-cone gear structure to drive.
Fig. 3 sheds the front view of the isolated location behind mechanism's header board for three station operating mechanisms of the switching device that relates to of expression the utility model.As shown in Figure 3, ground connection first order gear 14 and isolate first order gear 11 by ground connection operation axis 6 and isolated operation main shaft 5 on the horizontal direction of plate after the mechanism 2 roughly and row arrangement.
Below ground connection first order gear 14, ground connection second level gear 13 is installed in after the mechanism on the plate 2 by ground connection second level gear shaft 20, and with 14 engagements of ground connection first order gear.Ground connection second level gear 13 adopts half gear structure, particularly, can and cogged slick and sly portion 23 be set with ground connection first order gear 14 meshed gears portions 24 and constitute by being provided with gear.On a side surface of the close ground connection second level of plate after the mechanism 2 gear 13, be formed with stopper slot 15 in the position corresponding with ground connection second level gear 13.The length of stopper slot 15 is set as required, as long as be proportional with the length of the gear part 24 of ground connection second level gear 13 with the length setting of stopper slot 15.On a side surface of plate 2 after the close mechanism of ground connection second level gear 13, be provided with the limited post 16 that can in stopper slot 15, slide.When 13 rotations of ground connection second level gear, limited post 16 slides in stopper slot 15, and can limit the anglec of rotation of ground connection second level gear 13.
After the slick and sly portion 23 of ground connection second level gear 13 fixedly has an end of ground spring assembly 17, its other end to be fixed on mechanism on the plate 2.Ground spring assembly 17 is used for the gear 13 elasticity rotation of the auxiliary earth second level, and stops its counter-rotating.
Isolate first order gear 11 below, isolate second level gear 10 and be installed in after the mechanism on the plate 2 by isolating second level gear shaft 19, and with isolate 11 engagements of first order gear.Isolate second level gear 10 and adopt half gear structure, particularly, can constitute with isolating first order gear 11 meshed gears portions 26 and cogged slick and sly portion 25 is not set by being provided with gear.Plate after the mechanism 2 near a side surface of isolating second level gear 10 on, be formed with stopper slot 9 in the position corresponding with isolating second level gear 10.The length of stopper slot 9 is set as required, and the length setting that needs only stopper slot 9 is proportional with the length of the gear part 26 of isolating second level gear 10.On a side surface of plate 2 after the close mechanism that isolates second level gear 10, be provided with the limited post 8 that can in stopper slot 9, slide.When isolating 10 rotations of second level gear, limited post 8 slides in stopper slot 9, and can limit the anglec of rotation of isolating second level gear 10.
After the slick and sly portion 25 that isolates second level gear 10 fixedly has an end of spacer spring assembly 7, its other end to be fixed on mechanism on the plate 2.Spacer spring assembly 7 is used for auxiliary second level gear 10 elasticity of isolating and rotates, and stops its counter-rotating.
Ground connection second level gear 13 and isolate second level gear 10 below, output gear 12 is fixedly mounted on after the mechanism on the plate 2 by output gear shaft 21.Output gear 12 adopts half gear structure.The edge of the close ground connection second level gear 13 of output gear 12 and isolation second level gear 10 1 sides is to be provided with gear can and isolate second level gear 10 meshed gears portions 29 with ground connection second level gear 13, and the remaining marginal portion of output gear 12 is slick and sly portions that gear is not set.Has stopper slot 28 in output gear 12 bottoms.Stopper slot plate 2 and output gear 12 28 corresponding positions are provided with limited post 18 after mechanism.Limited post 18 is used for limiting the anglec of rotation of output gear 12.The limited groove 28 of the slick and sly portion of output gear 12 is divided near the slick and sly portion 27 of ground connection second level gear 13 with near the slick and sly portion 30 that isolates second level gear 10.The length of stopper slot 28 is so long as can make its gear part 29 and ground connection second level gear 13 and isolate either party's engagement in the second level gear 10 and get final product (with reference to Fig. 3～Fig. 5) when output gear 12 rotation.
Below, the operating state of three station operating mechanisms of the switching device that the utility model is related to describes.Particularly, this three stations operating mechanism has isolation, connection and three kinds of (switching device) operating states of ground connection.
The structure of three station operating mechanisms when at first, switching to isolation with reference to the switching device of Fig. 3 describes.Fig. 3 sheds the front view of the isolated location behind mechanism's header board for the three station operating mechanisms of switching device of expression present embodiment.
As shown in Figure 3, when switching device switches to isolation, gear part 24 engagements of ground connection first order gear 14 and ground connection second level gear 13, the gear part 24 of ground connection second level gear 13 contacts with the junction of the gear part 29 of the slick and sly portion 27 of output gear 12 and output gear 12.The limited post 16 that is arranged at ground connection second level gear 13 is positioned at the one side that is arranged at the stopper slot 15 of plate 2 after the mechanism.
Isolate first order gear 11 and isolate gear part 26 engagements of second level gear 10.The gear part 26 of isolation second level gear 10 contacts with the junction of the gear part 29 of the slick and sly portion 30 of output gear 12 and output gear 12.Be arranged at the limited post 8 of isolating second level gear 10 and be positioned at the one side that is arranged at the stopper slot 9 of plate 2 after the mechanism.
At this moment, be arranged at the limited post 18 of plate 2 after the mechanism and be positioned at stopper slot 28 position intermediate roughly that is arranged at output gear 12.
The structure of three station operating mechanisms when then, switching to on-state with reference to the switching device of Fig. 4 describes.Fig. 4 sheds the front view of the on-position behind mechanism's header board for the three station operating mechanisms of switching device of expression present embodiment.
As shown in Figure 4, when switching device switches to on-state, same relation when ground connection first order gear 14 and ground connection second level gear 13 keeps with isolation.
On the other hand, when switching device switches to on-state, isolate first order gear 11 and gear part 26 engagements of isolating second level gear 10, isolate second level gear 10 to rotation counterclockwise, gear part 26 beginnings of isolating second level gear 10 are meshed with the gear part 29 of output gear 12, and drive output gear 12 turns clockwise.And limited post 8 is along with isolating second level gear 10 together, and is counterclockwise mobile in stopper slot 9.
At this moment, be arranged at the stopper slot 28 of output gear 12 along with output gear 12 is mobile clockwise together, limited post 18 is mobile counterclockwise with respect to stopper slot 28.
When the other end butt of limited post 8 and the stopper slot 9 that is arranged at mechanism rear portion 2, isolate second level gear 10 and stop the rotation, simultaneously limited post 18 also with the other end butt of the stopper slot 28 that is arranged at output gear 12, make output gear 12 stop the rotation.
At this moment, the spacer spring assembly 7 that is connected with isolation second level gear 10 is pulled and stored energy upward.
By adopting above-mentioned structure, when three station operating mechanism switch operating states of switching device, mechanism output shaft 4 rotations integrally formed with output gear shaft 21 are together rotated the moving contact pull-up of the other end that will be arranged at tie rod arm or are pushed over thereby can drive coupled tie rod arm.By pull-up or push over moving contact, make moving contact with isolate fixed contact and separate or contact, form and isolate or the state of connection.
The structure of three station operating mechanisms when then, switching to ground state with reference to the switching device of Fig. 5.Fig. 5 sheds the front view of the earthing position behind mechanism's header board for the three station operating mechanisms of switching device of expression present embodiment.
As shown in Figure 5, when switching device switches to ground state, ground connection first order gear 14 meshes with the gear part 24 of ground connection second level gear 13, ground connection second level gear 13 rotates to clockwise direction, gear part 24 beginnings of ground connection second level gear 13 are meshed with the gear part 29 of output gear 12, and drive output gear 12 is rotated counterclockwise.Limited post 16 along with ground connection second level gear 13 together, counterclockwise mobile in stopper slot 15.
At this moment, be arranged at the stopper slot 28 of output gear 12 along with output gear 12 is mobile counterclockwise together, limited post 18 is mobile clockwise with respect to stopper slot 28.
When limited post 16 be arranged at mechanism after during the other end butt of stopper slot 15 of plate 2, ground connection second level gear 13 stops the rotation, simultaneously limited post 18 also with the other end butt of the stopper slot 28 that is arranged at output gear 12, make output gear 12 stop the rotation.
At this moment, the ground spring assembly 17 that is connected with ground connection second level gear 13 is pulled and stored energy upward.
Below the handover operation process of concrete state is described.
(1) handover operation of on-state
(1) switching device is switched to the operation of on-state by isolation
Use operating grip, isolated operation main shaft 5 turns clockwise, drive and isolate first order gear 11, and by isolating the engagement of second level gear 10 and output gear 12, make with the integrally formed mechanism's output shaft 4 of output gear shaft 21 to turn clockwise, till an end and limited post 18 butts of the stopper slot 28 that is arranged at output gear 12.
Simultaneously, thus as mentioned above like that 4 rotations of mechanism's output shaft drive moving contact that coupled tie rod arm together rotates the other end that will be arranged at tie rod arm and push over fixed contact and contact, form on-state thus.
At this moment, namely use the dedicated operations handle to go operational grounding operating axis 6 to make ground connection second level gear 13 rotate, but the gear part 29 of ground connection second level gear 13 and output gear 12 does not mesh owing to this moment, so can not carry out other (for example ground connection) state handover operation, guarantee the reliability of switching.
(2) switching device is switched to the operation of isolation by on-state
Use operating grip, be rotated counterclockwise isolated operation main shaft 5, drive to isolate first order gear 11 and be rotated counterclockwise, isolate that second level gear 10 turns clockwise, output gear 12 is rotated counterclockwise, mechanism's output shaft 4 is rotated counterclockwise, till gear part and the gear part of isolating second level gear 10 of output gear 12 break away from fully.And an end butt of the stopper slot 9 of plate 2 has limited the rotation of isolating second level gear 10 effectively after being arranged at the limited post 8 of isolating second level gear 10 and being arranged at mechanism.
Simultaneously, thereby output shaft 4 rotations of such mechanism drive the moving contact pull-up that coupled tie rod arm together rotates the other end that will be arranged at tie rod arm as mentioned above, and switching device forms isolation thus.
(2) handover operation of ground state
(1) switching device is switched to the operation of ground state by isolation
Use operating grip, be rotated counterclockwise isolated operation main shaft 6, driving ground connection first order gear 14 turns clockwise, and by the engagement of ground connection second level gear 13 with output gear 12, make with the integrally formed mechanism's output shaft 4 of output gear shaft 21 to be rotated counterclockwise, till the other end and limited post 18 butts of the stopper slot 28 that is arranged at output gear 12.
At this moment, namely use the dedicated operations handle to go operational grounding operating axis 5 to make and isolate 10 rotations of second level gear, but do not mesh owing to isolate the gear part 29 of second level gear 10 and output gear 12 this moment, so can not carry out other (for example connecting) state handover operation, guarantee the reliability of switching.
(2) switching device is switched to the operation of isolation by ground state
Use operating grip, ground connection operation axis 6 turns clockwise, driving ground connection first order gear 14 turns clockwise, ground connection second level gear 13 is rotated counterclockwise, output gear 12 turns clockwise, mechanism's output shaft 4 is turned clockwise, till the gear part of the gear part 29 of output gear 12 and ground connection second level gear 13 breaks away from fully.And an end butt of the stopper slot 15 of plate 2 has limited the rotation of ground connection second level gear 13 effectively after being arranged at ground connection second level gear 13 limited posts 16 and being arranged at mechanism.And then make switching device form isolation.
By adopting above-mentioned structure, three station operating mechanisms of the present utility model have realized can not carrying out the ground connection operation with the switching device that possesses this three stations operating mechanism when switching device is in on-state, when switching device is in ground state, can not carry out isolated operation, thereby realize the interlock between isolation, the ground connection.And, three station operating mechanisms of the present utility model adopt the partial gear transmission mechanism with the switching device that possesses this three stations operating mechanism, can realize connecting, the conversion between isolation and three service positions of ground connection, structural principle is simple, reliable, and has reliable interlock.
Claims (3)
1. station operating mechanism, it comprises plate after mechanism's header board and the mechanism, it is characterized in that:
Be provided with a plurality of gears between the plate after described mechanism header board and the described mechanism,
Described a plurality of gear comprises:
Isolate first order gear;
Isolate second level gear shaft, it is arranging with the mode of described isolation first order gear engagement;
Ground connection first order gear;
Ground connection second level gear shaft, it is arranging with the mode of described ground connection first order gear engagement; With
Output gear, it is can be respectively to arrange with the mode of described isolation second level gear and the engagement of described ground connection second level gear.
2. three station operating mechanisms as claimed in claim 1 is characterized in that:
Described ground connection second level gear adopts half gear structure, comprises that being provided with gear can and not arrange the cogged first slick and sly portion with first gear part of described ground connection first order gear engagement,
Described isolation second level gear adopts half gear structure, comprises that being provided with gear can and not arrange the cogged second slick and sly portion with second gear part of described isolation first order gear engagement,
Described output gear adopts half gear structure, comprises that being provided with gear can and not arrange the cogged the 3rd slick and sly portion with the 3rd gear part of described ground connection second level gear or described isolation second level gear engagement.
3. three station operating mechanisms as claimed in claim 1 or 2 is characterized in that:
On a side surface of the close described ground connection second level of plate after described mechanism gear, be formed with first stopper slot in the position of answering with described ground connection second level gear mesh, and on a side surface of plate after the close described mechanism of described ground connection second level gear, be provided with first limited post that can in described first stopper slot, slide
On a side surface of the close described isolation second level of plate after described mechanism gear, be formed with second stopper slot in the position of answering with described isolation second level gear mesh, and on a side surface of plate after the close described mechanism of described isolation second level gear, be provided with second limited post that can in described second stopper slot, slide
Be provided with the 3rd stopper slot at described output gear, be provided with the 3rd limited post that can in described the 3rd stopper slot, move at the position corresponding with described the 3rd stopper slot of described output gear of plate after the described mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220720044 CN203179777U (en) | 2012-12-07 | 2012-12-07 | Three-station operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220720044 CN203179777U (en) | 2012-12-07 | 2012-12-07 | Three-station operation mechanism |
Publications (1)
| Publication Number | Publication Date |
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| CN203179777U true CN203179777U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220720044 Expired - Fee Related CN203179777U (en) | 2012-12-07 | 2012-12-07 | Three-station operation mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730283A (en) * | 2013-12-31 | 2014-04-16 | 浙江华仪电器科技有限公司 | Operating mechanism used for three-station switch |
| CN110931305A (en) * | 2019-12-11 | 2020-03-27 | 北京双杰电气股份有限公司 | Three-station isolation grounding mechanism |
| CN114068229A (en) * | 2021-11-19 | 2022-02-18 | 泉州市大西洋电力科技有限公司 | Three-station isolating switch integrated operating mechanism for circuit breaker for switch cabinet |
| CN115512998A (en) * | 2022-11-23 | 2022-12-23 | 赫兹曼电力（广东）有限公司 | Double-operating-shaft three-station operating device |
-
2012
- 2012-12-07 CN CN 201220720044 patent/CN203179777U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730283A (en) * | 2013-12-31 | 2014-04-16 | 浙江华仪电器科技有限公司 | Operating mechanism used for three-station switch |
| CN103730283B (en) * | 2013-12-31 | 2015-10-28 | 浙江华仪电器科技有限公司 | A kind of three-station operating mechanism |
| CN110931305A (en) * | 2019-12-11 | 2020-03-27 | 北京双杰电气股份有限公司 | Three-station isolation grounding mechanism |
| CN114068229A (en) * | 2021-11-19 | 2022-02-18 | 泉州市大西洋电力科技有限公司 | Three-station isolating switch integrated operating mechanism for circuit breaker for switch cabinet |
| CN114068229B (en) * | 2021-11-19 | 2024-01-02 | 泉州市大西洋电力科技有限公司 | Three-station isolating switch integrated operating mechanism for breaker for switch cabinet |
| CN115512998A (en) * | 2022-11-23 | 2022-12-23 | 赫兹曼电力（广东）有限公司 | Double-operating-shaft three-station operating device |
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