CN204167154U - Switch cubicle - Google Patents
Switch cubicle Download PDFInfo
- Publication number
- CN204167154U CN204167154U CN201420593938.4U CN201420593938U CN204167154U CN 204167154 U CN204167154 U CN 204167154U CN 201420593938 U CN201420593938 U CN 201420593938U CN 204167154 U CN204167154 U CN 204167154U
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- China
- Prior art keywords
- blocking lever
- combined floodgate
- extension
- floodgate semiaxis
- isolating switch
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- 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.)
- Expired - Lifetime
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- 230000000903 blocking effect Effects 0.000 claims abstract description 86
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000009987 spinning Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of switch cubicle, it is characterized in that: the formation extension, one end (111) of combined floodgate semiaxis (11), this extension (111) end is provided with stopper protrusion (3); Procedure operation mechanism (2) is provided with a blocking lever (41), blocking lever (41) coordinates with described locating wheel (22) and is driven by it, with this when isolating switch 7 is in separating brake and ground connection service position, blocking lever (41) shifts to the end of the extension (111) of combined floodgate semiaxis (11), blocking lever (41) end is stopped with the stopper protrusion (3) of the extension (111) of described combined floodgate semiaxis (11) coordinate, the spinning movement of restriction combined floodgate semiaxis (11); And when isolating switch 7 is in combined floodgate service position, blocking lever (41) end, away from extension (111) end of combined floodgate semiaxis (11), does not limit the spinning movement of combined floodgate semiaxis (11).The utility model structure is simple, and interlocking action is accurate.
Description
Technical field
The utility model relates to switch cubicle.
Background technology
In switch cubicle, between vacuum circuit-breaker and isolating switch, there is interlock, to meet five anti-requirements.
In prior art, the isolating switch that switch cubicle comprises circuit breaker, procedure operation mechanism and matches with procedure operation mechanism; Circuit breaker comprises rotating shaft and closes with rotating shaft is joining the combined floodgate gag lever post divided for limiting circuit breaker; Procedure operation mechanism is provided with a rotating shaft, and rotating shaft rotates and drives isolating switch action, each service position of the corresponding isolating switch of rotational angle of rotating shaft; Interlock is provided with between circuit breaker and procedure operation mechanism; This interlock specifically comprises the first connecting lever, the second connecting lever, bent plate and connecting rod; When isolating switch is at closing position, drive the rotating shaft corresponding actions of circuit breaker through interlock, realize keep apart be in closing position time, combined floodgate gag lever post is failure to actuate, and circuit breaker can close a floodgate; And combined floodgate gag lever post action limiting circuit breaker when isolating switch is in open position or earthing position, by interlock, rotating shaft circuit breaker connecting combined floodgate gag lever post rotated to an angle, even if cannot close a floodgate.
Above-mentioned prior art, is provided with circuit breaker with keeping apart and shuts connection effect, but its structure is too complicated, and too much for the drive disk assembly of interlocking, this can cause the inaccuracy of interlocking.
Summary of the invention
The purpose of this utility model is to provide a kind of switch cubicle, to solve complex structure, the coarse problem of interlocking action that prior art exists.
For achieving the above object, the technical solution adopted in the utility model is: a kind of switch cubicle, the isolating switch comprising the circuit breaker be arranged in switch cubicle, procedure operation mechanism and match with procedure operation mechanism, described circuit breaker comprises combined floodgate semiaxis, the locating wheel that described procedure operation mechanism comprises rotating shaft and arranges on the rotary shaft; Described rotating shaft matches with isolating switch; One end of described combined floodgate semiaxis leans out and forms extension in circuit breaker, and this end, extension is provided with stopper protrusion; Described procedure operation mechanism is provided with a blocking lever, one end of this blocking lever is relative with the end of the extension of combined floodgate semiaxis, described blocking lever coordinates with described locating wheel and is driven by it, with this when isolating switch is in separating brake service position, blocking lever shifts to the end of the extension of combined floodgate semiaxis, blocking lever end is stopped with the stopper protrusion of the extension of described combined floodgate semiaxis coordinate, the spinning movement of restriction combined floodgate semiaxis; When isolating switch is in ground connection service position, blocking lever also shifts to the end of the extension of combined floodgate semiaxis, blocking lever end is stopped with the stopper protrusion of the extension of described combined floodgate semiaxis and coordinates, the spinning movement of restriction combined floodgate semiaxis; And when isolating switch is in combined floodgate service position, blocking lever end, away from the end, extension of combined floodgate semiaxis, does not limit the spinning movement of combined floodgate semiaxis.
In such scheme, the axis of described blocking lever and the axis of combined floodgate semiaxis are parallel to each other, and blocking lever slides along its axis relative program operating mechanism and arranges; Described stopper protrusion is based in the radial direction of described extension.
Further again, described procedure operation mechanism is fixed with one first support, the both sides of this first support are respectively provided with a gathering sill, the gathering sill slip that described blocking lever runs through the first support both sides is arranged.
Described blocking lever is positioned at front side or the rear side of locating wheel wheel plane, described blocking lever radial direction is provided with two gag lever posts, this two gag lever post is set up in parallel mutually, and locating wheel is stretched towards blocking lever side be provided with a finger, this finger coordinates with two gag lever posts between two gag lever posts, drives blocking lever to slide when rotating with this locating wheel.
Described blocking lever is fixed with one second support, described gag lever post is fixed on this second support.
Design principle of the present utility model and the effect brought are:
The utility model adopts a blocking lever, is interlocked by the combined floodgate semiaxis of the locating wheel of procedure operation mechanism directly and in circuit breaker, and interlocking drive disk assembly quantity is few, and structure is simple, and interlocking action is more accurate.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the schematic diagram one of the interlocking agency part of the utility model embodiment, the figure shows the state that isolating switch is in combined floodgate service position;
Fig. 3 is the schematic top plan view of Fig. 2, position local device not shown in FIG.;
Fig. 4 is the schematic diagram two of the interlocking agency part of the utility model embodiment, the figure shows the state that isolating switch is in separating brake service position;
Fig. 5 is the schematic diagram three of the interlocking agency part of the utility model embodiment, the figure shows the state that isolating switch is in ground connection service position;
Fig. 6 is the structural representation of the whole switch cubicle of the utility model embodiment.
In above accompanying drawing: 1, circuit breaker; 11, combined floodgate semiaxis; 111, extension; 2, procedure operation mechanism; 21, rotating shaft; 22, locating wheel; 221, draw-in groove; 2211, the first draw-in groove; 2212, the second draw-in groove; 2213, the 3rd draw-in groove; 222, finger; 23, Shaft; 3, stopper protrusion; 4, blocking lever assembly; 41, blocking lever; 42, the first support; 421, bending part; 43, the second support; 5, position local device; 51, lock core; 6, gag lever post; 7, isolating switch; 8, lower isolating switch; 9, lower link part; 10, link member.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: shown in Fig. 1-6:
The present embodiment relates to a kind of switch cubicle, sees shown in Fig. 1 and Fig. 6, the isolating switch 7 comprising the circuit breaker 1 be arranged in switch cubicle, procedure operation mechanism 2 and match with procedure operation mechanism 2.Described circuit breaker 1 comprises combined floodgate semiaxis 11, and described procedure operation mechanism 2 comprises rotating shaft 21 and is arranged on the locating wheel 22 on rotating shaft 21, and locating wheel 22 is by rotating shaft 21 driven rotary, and described rotating shaft 21 matches with isolating switch 7.Concrete, as described in Figure 6, one end of rotating shaft 21 is connected with isolating switch 7 by a link member 10, and rotating shaft 21 rotates and drives link member 10 to move, and then link member 10 drives isolating switch 7 action.
Shown in Fig. 1, Fig. 2, Fig. 4, Fig. 5, Fig. 6, actual switch cabinet has upper isolating switch and lower isolating switch, and in the present embodiment above and the following stated isolating switch 7 all refer to isolating switch, rotating shaft 21 all refers to rotating shaft, and link member 10 all refers to link member.Described procedure operation mechanism 2 has three service positions, closing position, open position, earthing position respectively, the anglec of rotation that these 21 3, three service position corresponding rotation axles are different, three service positions of the different anglec of rotation of 21 3, rotating shaft corresponding isolating switch 7 too: closing position, open position, earthing position.Locating wheel 22 is provided with three draw-in grooves 221, be respectively the first draw-in groove 2211, second draw-in groove 2212, the 3rd draw-in groove 2213, a position local device 5 is provided with corresponding to locating wheel 22, this position local device 5 is provided with a lock core 51, described lock core 51 matches with the draw-in groove 221 on locating wheel 22, and lock core 51 is positioned at three different draw-in grooves and then correspond in procedure operation mechanism 2 three different positions.When operation sequence operating mechanism 2, rotating shaft 21 is rotated, rotating shaft 21 drives isolating switch 7 with matching action, conversion between three service positions so just achieving isolating switch 7, and procedure operation mechanism 2 matches with the draw-in groove 221 on locating wheel 22 at three position upper lock cores 51, reach locking position effect.
Shown in Fig. 1-6, one end of described combined floodgate semiaxis 11 leans out and forms extension 111 in circuit breaker, and this end, extension 111 is provided with stopper protrusion 3.Described procedure operation mechanism 2 is provided with a blocking lever 41, one end of this blocking lever 41 is relative with the end of the extension 111 of combined floodgate semiaxis 11, described blocking lever 41 coordinates with described locating wheel 22 and is driven by it, with this when isolating switch 7 is in separating brake service position, blocking lever 41 shifts to the end of the extension 111 of combined floodgate semiaxis 11, blocking lever 41 end is stopped with the stopper protrusion 3 of the extension 111 of described combined floodgate semiaxis 11 coordinate, the spinning movement of restriction combined floodgate semiaxis 11; When isolating switch 7 is in ground connection service position, blocking lever 41 also shifts to the end of the extension 111 of combined floodgate semiaxis 11, blocking lever 41 end is stopped with the stopper protrusion 3 of the extension 111 of described combined floodgate semiaxis 11 and coordinates, the spinning movement of restriction combined floodgate semiaxis 11; And when isolating switch 7 is in combined floodgate service position, blocking lever 41 end, away from the end, extension 111 of combined floodgate semiaxis 11, does not limit the spinning movement of combined floodgate semiaxis 11.
Shown in Fig. 1-5, the axis of concrete blocking lever 41 and the axis of combined floodgate semiaxis 11 are parallel to each other, and blocking lever 41 is slidably connected along its axis relative program operating mechanism 2; Described stopper protrusion 3 is based in the radial direction of described extension 111, and the extension 111 that the pressing plate of described stopper protrusion 3 specifically one piece of bending is fixed on combined floodgate semiaxis 11 with screw is formed.Certainly, in reality, the axis of blocking lever 41 can be arranged with the axes intersect of combined floodgate semiaxis 11, even the axis of the blocking lever 41 and axis of combined floodgate semiaxis 11 is mutually vertical arranges.
Shown in Fig. 1-5, described blocking lever 41 is positioned at front side or the rear side (as shown being the rear side that blocking lever 41 is positioned at locating wheel 22) that locating wheel 22 takes turns plane, described blocking lever 41 radial direction is provided with two gag lever posts 6, this two gag lever post 6 is set up in parallel mutually, and locating wheel 22 is stretched towards blocking lever 41 side be provided with a finger 222, this finger 222 coordinates with two gag lever posts 6 between two gag lever posts 6, drives blocking lever 41 to slide when rotating with this locating wheel 22.It should be noted that two gag lever posts 6 in the height direction must lower than the position of locating wheel 22 finger 222 when closing position, open position, earthing position to the end of downward-extension.
Shown in Fig. 1-5, described procedure operation mechanism 2 is fixed with one first support 42, the both sides of this first support 42 are respectively provided with a gathering sill, the gathering sill slip that described blocking lever 41 runs through the first support 42 both sides is arranged.As shown in citing in figure, the first support 42 is the bent plate of a two ends downward bending, and a gathering sill is respectively established in its downward two ends.Certainly, as established the rod member of some tape guide grooves to be also feasible in procedure operation mechanism 2, only need ensure that blocking lever 41 can along gathering sill translation, the effect played guiding and support.Such as, the most simply, the sidewall of procedure operation mechanism 2 offers highly suitable gathering sill, or in procedure operation mechanism 2, add the rod member of a highly consistent tape guide groove, blocking lever 41 is positioned at above-mentioned gathering sill, and can left and right translation.
Shown in Fig. 1-5, the middle part of described first support 42 is bent to form a bending part 421 downwards, is fixed in procedure operation mechanism 2 with screw by described bending part 421.
Shown in Fig. 1-5, described blocking lever 41 is fixed with one second support 43, described two gag lever posts 6 are fixed on this second support 43, specifically, second support 43 is also the bent plate of a two ends downward bending, offer several through holes in the middle part of second support 43, through two through holes wherein, the second support 43 is fixed on blocking lever 41 with screw.Certainly, if it is also feasible for directly arranging back-up ring on above-mentioned two through holes, restriction second support 43 moving freely on blocking lever 41 is only needed.
Above-mentioned blocking lever 41, first support 42, second support 43 forms a set of blocking lever assembly 4.
The course of work is as follows:
As shown in Fig. 2, Fig. 3 and Fig. 6, operation sequence operating mechanism 2 makes isolating switch 7 close a floodgate and is namely rotated counterclockwise rotating shaft 21, the action of one side rotating shaft 21 drivening rod part 10 realizes isolating switch 7 and closes a floodgate, locating wheel 22 is driven to rotate counterclockwise on the other hand, finger 222 rotates with locating wheel 22, finger 222 contacts with gag lever post 6, pushing gag lever post 6, the second support 43 is driven to move, thus the second support 43 drives blocking lever 41 along the first support 42 gathering sill to left movement, final lock core 51 is positioned at the first draw-in groove 2211.The end, extension 111 of the position now residing for blocking lever 41 and combined floodgate semiaxis 11 departs from, blocking lever 41 can not form interference to the rotation of stopper protrusion 3 in making process or hinder, now the combined floodgate semiaxis 11 of circuit breaker 1 can freely rotate, and namely circuit breaker 1 can closing by hand.
As shown in Fig. 4 and Fig. 6, operation sequence operating mechanism 2 makes isolating switch 7 separating brake, namely continue manually to be rotated counterclockwise rotating shaft 21, the action of rotating shaft 21 drivening rod part 10 realizes isolating switch 7 separating brake on the one hand, locating wheel 22 is driven to continue to turn counterclockwise on the other hand, finger 222 rotates with locating wheel 22, finger 222 is pushing gag lever post 6 further, promote the second support 43 to move, thus the second support 43 drives blocking lever 41 along the gathering sill of the first support 41 to left movement, meanwhile lock core 51 departs from the first draw-in groove 2211 and is subject to action of reset spring, outer rim along locating wheel 22 is slided, final lock core 51 snaps in the second draw-in groove 2212, blocking lever 41 has moved to the below of the stopper protrusion 3 of the extension 111 of combined floodgate semiaxis 11, if closing by hand, because blocking lever 41 is positioned on the rotation path of stopper protrusion 3, blocking lever 41 contacts with stopper protrusion 3, blocking lever 41 compresses stopper protrusion 3, combined floodgate semiaxis 11 cannot be rotated, namely circuit breaker 1 cannot close a floodgate.
As shown in Figures 5 and 6, operation sequence operating mechanism 2 makes isolating switch 7 ground connection, namely continue manually to be rotated counterclockwise rotating shaft 21, the action of rotating shaft 21 drivening rod part 10 realizes isolating switch 7 ground connection on the one hand, locating wheel 22 is driven to continue to turn counterclockwise on the other hand, finger 222 rotates with locating wheel 22, finger 222 continues pushing gag lever post 6, promote the second support 43 to move, thus the second support 43 drives blocking lever 41 to continue to left movement along the gathering sill of the first support 41, meanwhile lock core 51 departs from the second draw-in groove 2212 and is subject to action of reset spring, outer rim along locating wheel 22 is slided, final lock core 51 snaps in the 3rd draw-in groove 2213, blocking lever 41 is still positioned at the below of stopper protrusion 3, if closing by hand, because blocking lever 41 is positioned on the rotation path of stopper protrusion 3, blocking lever 41 contacts with stopper protrusion 3, blocking lever 41 compresses stopper protrusion 3, combined floodgate semiaxis 11 still cannot rotate, namely circuit breaker 1 cannot close a floodgate.
Isolating switch 7 is transformed into open position from earthing position, then manual operation procedure operation mechanism 2, rotating shaft 21 turns clockwise, the action of rotating shaft 21 drivening rod part 10 realizes isolating switch 7 separating brake on the one hand, locating wheel 22 is driven to be rotated counterclockwise on the other hand, finger 222 rotates with locating wheel 22, the gag lever post 6 of pushing opposite side, promote the second support 43 to move, thus the second support 43 drives blocking lever 41 to continue to move right along the gathering sill of the first support 41, meanwhile lock core 51 departs from the 3rd draw-in groove 2213 and is subject to action of reset spring, outer rim along locating wheel 22 is slided, final lock core 51 snaps in the second draw-in groove 2212, blocking lever 41 is still positioned at the below of stopper protrusion 3, if closing by hand, because blocking lever 41 is positioned on the rotation path of stopper protrusion 3, blocking lever 41 contacts with stopper protrusion 3, blocking lever 41 compresses stopper protrusion 3, combined floodgate semiaxis 11 still cannot rotate, namely circuit breaker 1 cannot close a floodgate.
Isolating switch 7 is transformed into closing position from open position, then continue manual operation procedure operation mechanism 2, rotating shaft 21 turns clockwise, the action of one side rotating shaft 21 drivening rod part 10 realizes isolating switch 7 and closes a floodgate, locating wheel 22 is driven to be rotated counterclockwise on the other hand, finger 222 rotates with locating wheel 22, the gag lever post 6 of pushing opposite side, promote the second support 43 to move, thus the second support 43 drives blocking lever 41 to continue to move right along the first support 41 gathering sill, meanwhile lock core 51 departs from the second draw-in groove 2212 and is subject to action of reset spring, outer rim along locating wheel 22 is slided, final lock core 51 snaps in the first draw-in groove 2211, blocking lever 41 is not on the rotation path of stopper protrusion 3, position now residing for blocking lever 41 can not form interference to the rotation of stopper protrusion 3 in making process or hinder, now the combined floodgate semiaxis 11 of circuit breaker 1 can freely rotate, circuit breaker 1 can closing by hand.
In order to meet " five prevent " requirement of switch cubicle, in switch cubicle, be generally also provided with lower isolating switch 8.When circuit breaker 1 carries out closing operation, first close lower isolating switch 8, then close isolating switch 7, finally close circuit breaker 1; When circuit breaker 1 carries out sub-switching operation, to first divide circuit breaker 1, at a point isolating switch 7, finally divide lower isolating switch 8.Concrete, lower isolating switch 8 is such and procedure operation mechanism 2 coordinates, as shown in Figure 6, the Shaft 23 arranged in the below of procedure operation mechanism 2 rotating shaft 21, described Shaft 23 passes through link member 9 and is connected with lower isolating switch 8, the Shaft 23 of operation sequence operating mechanism 2 makes it rotate, and drives lower link part 9 to move, lower isolating switch 8 action of final drive.The conversion of the lower each service position of isolating switch 8 is identical with the conversion regime of above-mentioned isolating switch 7.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection range of the present utility model.
Claims (5)
1. a switch cubicle, the isolating switch (7) comprising the circuit breaker (1) be arranged in switch cubicle, procedure operation mechanism (2) and match with procedure operation mechanism (2), described circuit breaker (1) comprises combined floodgate semiaxis (11), and described procedure operation mechanism (2) comprises rotating shaft (21) and is arranged on the locating wheel (22) on rotating shaft (21), described rotating shaft (21) matches with isolating switch (7), it is characterized in that: one end of described combined floodgate semiaxis (11) leans out and forms extension (111) in circuit breaker, and this extension (111) end is provided with stopper protrusion (3), described procedure operation mechanism (2) is provided with a blocking lever (41), one end of this blocking lever (41) is relative with the end of the extension (111) of combined floodgate semiaxis (11), described blocking lever (41) coordinates with described locating wheel (22) and is driven by it, with this when isolating switch (7) is in separating brake service position, blocking lever (41) shifts to the end of the extension (111) of combined floodgate semiaxis (11), blocking lever (41) end is stopped with the stopper protrusion (3) of the extension (111) of described combined floodgate semiaxis (11) coordinate, the spinning movement of restriction combined floodgate semiaxis (11), when isolating switch (7) is in ground connection service position, blocking lever (41) also shifts to the end of the extension (111) of combined floodgate semiaxis (11), blocking lever (41) end is stopped with the stopper protrusion (3) of the extension (111) of described combined floodgate semiaxis (11) coordinate, the spinning movement of restriction combined floodgate semiaxis (11), and when isolating switch (7) is in combined floodgate service position, blocking lever (41) end, away from extension (111) end of combined floodgate semiaxis (11), does not limit the spinning movement of combined floodgate semiaxis (11).
2. switch cubicle according to claim 1, it is levied and is: the axis of described blocking lever (41) and the axis of combined floodgate semiaxis (11) are parallel to each other, and blocking lever (41) slides along its axis relative program operating mechanism (2) and arranges; Described stopper protrusion (3) is based in the radial direction of described extension (111).
3. switch cubicle according to claim 2, it is levied and is: described procedure operation mechanism (2) is fixed with one first support (42), the both sides of this first support (42) are respectively provided with a gathering sill, and the gathering sill slip that described blocking lever (41) runs through the first support (42) both sides is arranged.
4. switch cubicle according to Claims 2 or 3, it is levied and is: described blocking lever (41) is positioned at front side or the rear side of locating wheel (22) wheel plane, described blocking lever (41) radial direction is provided with two gag lever posts (6), this two gag lever post (6) is set up in parallel mutually, and locating wheel (22) is stretched towards blocking lever (41) side be provided with a finger (222), this finger (222) is positioned between two gag lever posts (6) and coordinates with two gag lever posts (6), drives blocking lever (41) to slide when rotating with this locating wheel (22).
5. switch cubicle according to claim 4, it is levied and is: described blocking lever (41) is fixed with one second support (43), and described gag lever post (6) is fixed on this second support (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420593938.4U CN204167154U (en) | 2014-10-14 | 2014-10-14 | Switch cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420593938.4U CN204167154U (en) | 2014-10-14 | 2014-10-14 | Switch cubicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167154U true CN204167154U (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420593938.4U Expired - Lifetime CN204167154U (en) | 2014-10-14 | 2014-10-14 | Switch cubicle |
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| Country | Link |
|---|---|
| CN (1) | CN204167154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169391A (en) * | 2016-08-31 | 2016-11-30 | 中国西电电气股份有限公司 | A kind of chopper and the mechanical interlock mechanism of tri-station isolating switch |
| CN112951682A (en) * | 2021-01-29 | 2021-06-11 | 云南电网有限责任公司电力科学研究院 | Integrated combination device of circuit breaker isolating switch |
-
2014
- 2014-10-14 CN CN201420593938.4U patent/CN204167154U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169391A (en) * | 2016-08-31 | 2016-11-30 | 中国西电电气股份有限公司 | A kind of chopper and the mechanical interlock mechanism of tri-station isolating switch |
| CN106169391B (en) * | 2016-08-31 | 2018-01-09 | 中国西电电气股份有限公司 | A kind of mechanical interlock mechanism of breaker and tri-station isolating switch |
| CN112951682A (en) * | 2021-01-29 | 2021-06-11 | 云南电网有限责任公司电力科学研究院 | Integrated combination device of circuit breaker isolating switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150218 |