CN104465203B - A kind of primary cut-out actuating device - Google Patents
A kind of primary cut-out actuating device Download PDFInfo
- Publication number
- CN104465203B CN104465203B CN201410735798.4A CN201410735798A CN104465203B CN 104465203 B CN104465203 B CN 104465203B CN 201410735798 A CN201410735798 A CN 201410735798A CN 104465203 B CN104465203 B CN 104465203B
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- China
- Prior art keywords
- pull bar
- connecting plate
- connecting lever
- pivot pin
- hinged
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
Abstract
The present invention provides a kind of and assembles simply, and dependable performance is with low cost, it is possible to meet the primary cut-out actuating device of double-fracture chopper transmission needs；It includes the body, is separately positioned on the power input hole at the upper and lower two ends of the body, is arranged on the power delivery outlet of body sidewall, and is arranged on the gear unit within the body；Any one power input hole is provided with the first pull bar for input power being vertically slidably connected, the second pull bar for exporting power that the level that is respectively arranged with in power delivery outlet is slidably connected；Gear unit and the second pull bar one_to_one corresponding are arranged, and it for being converted to the horizontal movement of the second pull bar by the vertical motion of the first pull bar；Gear unit includes first connecting plate hinged with the first pull bar, the connecting lever that flex point is hinged with the body, and second connecting plate hinged with the second corresponding pull bar；Two free ends of connecting lever are hinged with the free end of the first corresponding connecting plate and the second connecting plate respectively.
Description
Technical field
The invention belongs to high voltage electric switch apparatus field, be specially a kind of primary cut-out actuating device.
Background technology
In current primary cut-out field, the porcelain knob breaker of more than 363KV uses double-fracture product mostly, two
Fracture is in parallel, shares an operating mechanism, needs a kind of device that the up and down motion of mechanism is converted into the horizontal movement of arc-chutes.
But the structure of existing operating mechanism is complex, and reliability is low, and arranging of its mechanism is highly prone to external impetus
Input direction and the restriction of outbound course, the scope of application is little.
Summary of the invention
For problems of the prior art, the present invention provides a kind of and assembles simply, and dependable performance is with low cost, energy
Enough meet the primary cut-out actuating device of double-fracture chopper transmission needs.
The present invention is to be achieved through the following technical solutions:
One primary cut-out actuating device of the present invention, including the body, is separately positioned on the power at the upper and lower two ends of the body
Input hole, is arranged on the power delivery outlet of body sidewall, and is arranged on the gear unit within the body；Any one power is defeated
Hand-hole is provided with the first pull bar for input power being vertically slidably connected, power delivery outlet is respectively arranged with level sliding
The second pull bar for exporting power being dynamically connected；Gear unit and the second pull bar one_to_one corresponding are arranged, and it is for drawing first
The vertical motion of bar is converted to the horizontal movement of the second pull bar；Gear unit includes first connecting plate hinged with the first pull bar, turns
The connecting lever that point is hinged with the body, and second connecting plate hinged with the second corresponding pull bar；Two free ends of connecting lever respectively with
The first corresponding connecting plate and the free end of the second connecting plate are hinged.
Preferably, power input hole is fixedly installed cover plate or the first support member；First support member is tubular, and with dynamic
Power input hole is coaxially disposed；The cylindrical cavity of the first pull bar and the first support member is slidably connected.
Further, the sliding contact position of the first pull bar and the first supporter is provided with the first axle sleeve.
Preferably, power delivery outlet sequentially coaxially arranges the second support member of flange and tubular, the second pull bar respectively with
The cylindrical cavity of the second corresponding support member is slidably connected.
Further, the sliding contact position of the second pull bar and the second supporter is provided with the second axle sleeve.
Preferably, when the range of movement of the first connecting plate is positioned at the outside at connecting lever turning, the first pull bar is vertical in the body
During motion, the horizontal movement outside the body simultaneously of the second pull bar.
Preferably, when the range of movement of the first connecting plate is positioned at the inner side at connecting lever turning, the first pull bar is vertical in the body
During motion, the horizontal movement in the body simultaneously of the second pull bar.
Preferably, the sidewall that the body is hinged with connecting lever is that inclined-plane is arranged；Connecting lever flex point is hinged on inside sidewalls vertical protrusion
Support plate on.
Compared with prior art, the present invention has a following useful technique effect:
The present invention provides power transmission and the space of direction conversion and the installation site of gear unit by the body, utilizes
The first pull bar arranged realizes the vertical input of power, and the level being realized power by the second pull bar is exported simultaneously, by correspondence
The gear unit that second pull bar is arranged realizes changing vertical motion to the component of horizontal movement, it is achieved it is same that power direction is changed
Time ensure that in multiple horizontal direction power output；Simple in construction, arranges rationally, and motion stabilization is reliable, and sealing part
Seldom, with low cost；And can meet different installation requirements by selecting different power input holes, and input is dynamic
Movement relation between power and output power, adapts to very competent, installs and adjust flexible and changeable, additionally it is possible to one of them moved
Power input hole, as standby, improves its service life.
Further, the first pull bar can be carried out spacing and lead by being arranged on the first support member of power input hole
To, utilize cover plate that excess power input hole is sealed；Decrease the probability of gas leakage；By being arranged on the of power delivery outlet
Second pull bar can be carried out spacing and guide by two support members, simultaneously can be corresponding provide basic fixed and positioned for sealing
Position.
Further, by the setting of axle sleeve, it is possible to reduce the frictional dissipation between being slidably connected, and have only to pass through
The maintenance of axle sleeve and ensure that runs stablizes with changing, directly will not cause abrasion to the body, improves whole service life and surely
Qualitative.
Further, by the setting of the first arm-tie relative position different from connecting lever, it is possible to meet input power direction and
Output power direction different demands at different conditions, applied widely, easy to adjust simply.
Further, the inclined-plane going out body sidewall by connecting connecting lever is arranged, and on the one hand can save occupied by the body
Space outerpace, structure is compacter, on the other hand connecting lever can be enable directly to be attached with the body, it is not necessary to lead to inside it again
Crossing the isostructural setting of support, simplify internal structure composition and arrange, additionally it is possible to be beneficial to location and the adjustment of connecting lever, design is skilful
Wonderful, structure is unique.
Accompanying drawing explanation
Fig. 1 is the formal dress structural representation described in the embodiment of the present invention, and wherein 1a is that the first pull bar moves upward state
Schematic diagram, 1b is that the first pull bar moves downward view.
Fig. 2 is the anti-assembling structure schematic diagram described in the embodiment of the present invention, and wherein 2a is that the first pull bar moves upward state
Schematic diagram, 2b is that the first pull bar moves downward view.
In figure: 1 is cover plate；2 is the body；3 is right flange；4 is right side the 4th pivot pin；5 is right side the second connecting plate；6 are
Right side the 5th pivot pin；7 is right side the second supporter；8 is right side the second pull bar；9 is right side the second axle sleeve；10 is right side connecting lever；
11 is right side the second pivot pin；12 is right side the 3rd pivot pin；13 is right side the first connecting plate；14 is the first pivot pin；15 is the first support
Part；16 is the first axle sleeve；17 is the first pull bar；18 is left side the first connecting plate；19 is left side the 3rd pivot pin；20 is left side the second axle
Pin；21 is left side connecting lever；22 is left side the second axle sleeve；23 is left side the second pull bar；24 is left side the second supporter；25 is left side
5th pivot pin；26 is left side the second connecting plate；27 is left side the 4th pivot pin；28 is left side flange.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, described in be explanation of the invention and
It not to limit.
One primary cut-out actuating device of the present invention, as depicted in figs. 1 and 2, it includes the body 2, is arranged on the body 2
Internal pull bar and connecting lever, and by pivot pin cylinder lever connecting rod and the connecting plate of connecting lever；In this preferred embodiment, such as Fig. 1 and Fig. 2 institute
Showing, in inverted cone bottom the body 2, arranging so that its sidewall is inclined-plane, its bottom and top are respectively arranged with and are used as input
Power input hole, both sides are provided with the power delivery outlet for output；Pull bar includes the first pull bar 17, right side the second pull bar 8 with
And left side the second pull bar 23, the first pull bar 17 is by being arranged on the first supporter 15 and the body 2 of power input hole bottom the body 2
Being slidably connected, right side the second pull bar 8 and left side the second pull bar 23 are respectively by being symmetricly set on the body 2 both sides power delivery outlet
Right side the second supporter 7 and left side the second supporter 24 are slidably connected with the body 2；Connecting lever includes respectively by right side the 3rd pivot pin
12 and left side the 3rd pivot pin 19 symmetry be fixed on right side connecting lever 10 and the left side connecting lever 21 of the body 2 bottom inside；Connecting plate includes the right side
Side the first connecting plate 13, right side the second connecting plate 5, left side the first connecting plate 18 and left side the second connecting plate 26；First pull bar 17 is by first
Transmission list on the right side of pivot pin 14 and right side the first connecting plate 13, right side connecting lever 10, right side the second connecting plate 5 and right side the second pull bar 8 composition
Transmission list on the left of unit, with left side the first connecting plate 18, left side connecting lever 21, left side the second connecting plate 26 and left side the second pull bar 23 composition
Unit.
Wherein, the first pull bar 17, right side the second pull bar 8 and left side the second pull bar 23 are respectively arranged with the first axle sleeve 16,
Right side the second axle sleeve 9 and left side the second axle sleeve 22, spacing for its direction of motion.One end of right side connecting lever 10 is by right side the
Two pivot pins 11 are connected with right side the first connecting plate 13 being connected on the first pull bar 17, and the other end is by right side the 4th pivot pin 4 and connects
Right side the second connecting plate 5 being connected on the second pull bar 8 of right side is connected；One end of left side connecting lever 21 is by left side the second pivot pin 20 and connects
Left side the first connecting plate 18 being connected on the first pull bar 17 is connected, and the other end passes through left side the 4th pivot pin 27 and is connected to left side second
Left side the second connecting plate 26 on pull bar 23 is connected.Right side the second pull bar 8 and right side the second connecting plate 5 are by right side the 5th pivot pin 6 phase
Connect；Left side the second pull bar 23 is connected by left side the 5th pivot pin 25 with left side the second connecting plate 26.The perforate punishment of the body 2 both sides
It is not provided with right flange 3 and left side flange 28, at top drilling, is provided with cover plate 1.
Concrete, as depicted in figs. 1 and 2, the present invention includes being separately positioned on the connecting lever in the body 2 and pull bar, connecting lever and
Pull bar is connected by pivot pin, and pull bar relies on the guider direction of motion spacing；First pull bar 17 is by the first supporter 15 and the
One axle sleeve 16 guides at vertical direction, can only move at vertical direction, the first pull bar 17 pass through the first pivot pin 14 respectively with right side
First connecting plate 13 and left side the first connecting plate 18 connect, and right side the first connecting plate 13 and left side the first connecting plate 18 are respectively by right side second
Pivot pin 11 and left side the second pivot pin 20 are connected with right side connecting lever 10 and left side connecting lever 21；Right side connecting lever 10 and left side connecting lever 21 are respectively
Being connected with the body 2 by right side the 3rd pivot pin 12 and left side the 3rd pivot pin 19, right side connecting lever 10 and left side connecting lever 21 can be around the right sides
Side the 3rd pivot pin 12 and left side the 3rd pivot pin 19 rotate, and right side connecting lever 10 and left side connecting lever 21 are respectively by right side the 4th pivot pin 4
It is connected with right side the second connecting plate 5 and left side the second connecting plate 26 with left side the 4th pivot pin 27；Right side the second connecting plate 5 and left side second are even
Plate 26 is connected with right side the second pull bar 8 and left side the second pull bar 23 by right side the 5th pivot pin 6 and left side the 5th pivot pin 25 respectively；
Right side the second pull bar 8 is spacing by right side the second supporter 7 and right side the second axle sleeve 9, can only move in the horizontal direction, left side second
Pull bar 23 is spacing by left side the second supporter 24 and left side the second axle sleeve 22, can only move in the horizontal direction.
In actually used operation, the present invention can carry out the installation of the first pull bar 17 from any one power delivery outlet, from
And realize identical input direction, and outbound course is different；Following it is respectively described with anti-row of putting into formal dress to distinguish.
When using formal dress to arrange, as shown in Figure 1a, when the first pull bar 17 moves upward, the first pull bar 17 is by first
On the left of pivot pin 14 drive, the first connecting plate 18 and right side the first connecting plate 13 move upward, left side the first connecting plate 18 and right side the first connecting plate
13 rotate around the first pivot pin 14 simultaneously, and left side the first connecting plate 18 is by connecting lever 21 action on the left of the drive of left side the second pivot pin 20, left
Side connecting lever 21 rotates counterclockwise around left side the 3rd pivot pin 19, the second connecting plate 26 phase left movement on the left of left side connecting lever 21 drive, and
Left side the second connecting plate 26 rotates around left side the 4th pivot pin 27；Left side the second connecting plate 26 by left side the 5th pivot pin 25 drive on the left of the
Two pull bars 23 to left movement, left side the second pull bar 23 due to by left side the second supporter 24 and left side second guide 22 spacing,
Left side the second pull bar 23 level horizontal movement to the left.On the right side of Tong Shi, the first connecting plate 13 is by turning on the right side of the drive of right side the second pivot pin 11
Arm 10 action；Right side connecting lever 10 turns clockwise around right side pivot pin 12, and right side connecting lever 10 passes through on the right side of pivot pin 4 drive of right side the 4th
The second mutually right motion of connecting plate 5, and right side the second connecting plate 5 rotates around right side the 4th pivot pin 4, and right side the second connecting plate 5 passes through right side
5th pivot pin 6 drive on the right side of the second pull bar 8 move right, right side the second pull bar 8 is due to by right side the second supporter 7 and right side the
Two axle sleeves 9 spacing, right side the second pull bar 8 level horizontal movement to the right.
As shown in Figure 1 b, the first pull bar 17, can only be perpendicular owing to being limited by the first supporter 15 and the first axle sleeve 16
Nogata is to motion, and when the first pull bar 17 moves downward, the first pull bar 17 is by the first connecting plate 18 on the left of the first pivot pin 14 drive
Moving downward with right side the first connecting plate 13, left side the first connecting plate 18 and right side the first connecting plate 13 rotate around the first pivot pin 14 simultaneously,
Left side the first connecting plate 18 is by connecting lever 21 action on the left of the drive of left side the second pivot pin 20, and left side connecting lever 21 is around left side the 3rd pivot pin 19
Turn clockwise, the second mutually right motion of connecting plate 26 on the left of left side connecting lever 21 drive, and left side connecting plate is around left side the 4th pivot pin 27
Rotate；Left side the second connecting plate 26 is moved right by the second pull bar 23 on the left of the drive of left side the 5th pivot pin 25, left side the second pull bar
23 due to by left side the second supporter 24 and left side second guide 22 spacing, left side the second pull bar 23 level level to the right transport
Dynamic.On the right side of Tong Shi, the first connecting plate 13 is by connecting lever 10 action on the right side of the drive of right side the second pivot pin 11；Right side connecting lever 10 is around right side the
Three pivot pins 12 rotate counterclockwise, and right side connecting lever 10 passes through the second connecting plate 5 phase left movement on the right side of pivot pin 4 drive of right side the 4th, and
Right side the second connecting plate 5 rotates around oil side the 4th pivot pin 4, and right side the second connecting plate 5 draws by the right side of the drive of right side the 5th pivot pin 6 second
Bar 8 to left movement, right side the second pull bar 8 due to by right side the second supporter 7 and right side second guide 9 spacing, right side second
Pull bar 8 level horizontal movement to the left.
When using anti-installing to put, as shown in Figure 2 a, the first pull bar 17 is due to by the first supporter 15 and the first axle sleeve
The restriction of 16, can only move at vertical direction, and when the first pull bar 17 moves downward, the first pull bar 17 is carried by the first pivot pin 14
Dynamic left side the first connecting plate 18 and right side the first connecting plate 13 move downward, left side the first connecting plate 18 and right side the first connecting plate 13 simultaneously around
First pivot pin 14 rotates, and left side the first connecting plate 18 is by connecting lever 21 action on the left of the drive of left side the second pivot pin 20, left side connecting lever 21
Around left side the 3rd, pivot pin 19 turns clockwise, the second connecting plate 26 phase left movement on the left of left side connecting lever 21 drive, and left side second
Connecting plate 26 rotates around left side the 4th pivot pin 27；Left side the second connecting plate 26 is by the second pull bar 23 on the left of the drive of left side the 5th pivot pin 25
To left movement, spacing due to by left side the second supporter 24 and left side the second axle sleeve 22 of left side the second pull bar 23, left side second
Pull bar 23 level horizontal movement to the left.On the right side of Tong Shi, the first connecting plate 13 is moved by connecting lever 10 on the right side of the drive of right side the second pivot pin 11
Make；Right side connecting lever 10 rotates counterclockwise around right side pivot pin 12, and right side connecting lever 10 is by the right side of the drive of right side the 4th pivot pin 4 second even
Plate 5 phase left movement, and right side the second connecting plate 5 rotates around right side the 4th pivot pin 4, and right side the second connecting plate 5 is by right side the 5th axle
On the right side of pin 6 drive, the second pull bar 8 moves right, and right side the second pull bar 8 is due to by right side the second supporter 7 and right side the second axle sleeve
9 spacing, right side the second pull bar 8 level horizontal movement to the right.
As shown in Figure 2 b, when the first pull bar 17 moves upward, the first pull bar 17 by the first pivot pin 14 drive on the left of the
One connecting plate 18 and right side the first connecting plate 13 move upward, and left side the first connecting plate 18 and right side the first connecting plate 13 are simultaneously around the first pivot pin
14 rotate, left side the first connecting plate 18 by left side the second pivot pin 20 drive on the left of connecting lever 21 action, left side connecting lever 21 is around left side the
Three pivot pins 19 rotate counterclockwise, left side connecting lever 21 drive on the left of the second mutually right motion of connecting plate 26, and left side the second connecting plate 26 around
Left side the 4th pivot pin 27 rotates；Left side the second connecting plate 26 is transported to the right by the second pull bar 23 on the left of the drive of left side the 5th pivot pin 25
Dynamic, spacing due to by left side the second supporter 24 and left side the second axle sleeve 22 of left side the second pull bar 23, left side the second pull bar 23
Level horizontal movement to the right.On the right side of Tong Shi, the first connecting plate 13 is by connecting lever 10 action on the right side of the drive of right side the second pivot pin 11；Right side
Connecting lever 10 turns clockwise around right side pivot pin 12, and right side connecting lever 10 is failed to agree by the second connecting plate 5 on the right side of the drive of right side the 4th pivot pin 4
Moving, and right side the second connecting plate 5 rotates around right side the 4th pivot pin 4, right side the second connecting plate 5 is driven by right side the 5th pivot pin 6
Right side the second pull bar 8 is to left movement, and right side the second pull bar 8 is due to by right side the second supporter 7 and the limit of right side the second axle sleeve 9
Position, right side the second pull bar 8 level horizontal movement to the left.
The primary cut-out drive mechanism of the present invention by the up and down motion of a pull bar, be converted into two kinds the most multiple
Horizontal movement, and make in the case of the motion of vertical pull bar is identical by different assemblings, the direction of motion of girt
On the contrary.Simple in construction, sealing part reduce, cost reduces further, and reliability is improved.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
The detailed description of the invention of the present invention is only limitted to this, for general technical staff of the technical field of the invention, is not taking off
On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention by institute
The claims submitted to determine scope of patent protection.
Claims (6)
1. a primary cut-out actuating device, it is characterised in that include the body (2), is separately positioned on the body (2) upper and lower two
The power input hole of end, is arranged on the power delivery outlet of the body (2) sidewall, and is arranged on the gear unit that the body (2) is internal；
Any one power input hole is provided with the first pull bar (17) for input power being vertically slidably connected, power delivery outlet
In be respectively arranged with the second pull bar for exporting power that level is slidably connected；
Described gear unit and the second pull bar one_to_one corresponding are arranged, and it is for being converted to the vertical motion of the first pull bar (17)
The horizontal movement of the second pull bar；Gear unit includes first connecting plate hinged with the first pull bar (17), and flex point is hinged with the body (2)
Connecting lever, and second connecting plate hinged with the second corresponding pull bar；Two free ends of connecting lever are respectively with corresponding first even
The free end of plate and the second connecting plate is hinged；
When the range of movement of the first connecting plate is positioned at the outside at connecting lever turning, the body (2) formal dress, the first pull bar (17) is to the body
(2), in during vertical motion, the second pull bar is simultaneously to the body (2) outer horizontal movement；
When the range of movement of the first connecting plate is positioned at the inner side at connecting lever turning, the body (2) is counter to be filled, and the first pull bar (17) is to the body
(2) in during vertical motion, the horizontal movement in the body (2) simultaneously of the second pull bar；
By the body (2) formal dress and the conversion of anti-dress, it is possible in the case of input same direction of movement, export different motions
Direction.
A kind of primary cut-out actuating device the most according to claim 1, it is characterised in that described power input hole
On be fixedly installed cover plate (1) or the first support member (15)；First support member (15) is in tubular, and coaxially sets with power input hole
Put；First pull bar (17) is slidably connected with the cylindrical cavity of the first support member (15).
A kind of primary cut-out actuating device the most according to claim 2, it is characterised in that the first pull bar (17) and the
The sliding contact position of one supporter (15) is provided with the first axle sleeve (16).
A kind of primary cut-out actuating device the most according to claim 1, it is characterised in that described power delivery outlet
On the second support member of flange and tubular is sequentially coaxially set, the second pull bar respectively with the cylindrical cavity of the second corresponding support member
It is slidably connected.
A kind of primary cut-out actuating device the most according to claim 4, it is characterised in that the second pull bar and second
The sliding contact position of support body is provided with the second axle sleeve.
A kind of primary cut-out actuating device the most according to claim 1, it is characterised in that the body (2) cuts with scissors with connecting lever
The sidewall connect is that inclined-plane is arranged；Connecting lever flex point is hinged on the support plate of inside sidewalls vertical protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735798.4A CN104465203B (en) | 2014-12-04 | 2014-12-04 | A kind of primary cut-out actuating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735798.4A CN104465203B (en) | 2014-12-04 | 2014-12-04 | A kind of primary cut-out actuating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104465203A CN104465203A (en) | 2015-03-25 |
| CN104465203B true CN104465203B (en) | 2016-12-07 |
Family
ID=52911094
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410735798.4A Active CN104465203B (en) | 2014-12-04 | 2014-12-04 | A kind of primary cut-out actuating device |
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| Country | Link |
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| CN (1) | CN104465203B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020030361A1 (en) * | 2018-08-07 | 2020-02-13 | Siemens Aktiengesellschaft | Shifting device and gear unit therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105047489B (en) * | 2015-06-30 | 2017-06-09 | 河南平高电气股份有限公司 | Breaker fracture transmission device and the breaker using the fracture transmission device |
| CN105355503A (en) * | 2015-11-04 | 2016-02-24 | 平高集团有限公司 | Circuit breaker and connecting box thereof having guide function |
| CN105355502A (en) * | 2015-11-04 | 2016-02-24 | 平高集团有限公司 | Circuit breaker and connecting box thereof |
| CN105655210B (en) * | 2016-03-08 | 2019-02-12 | 平高集团有限公司 | A kind of breaker and its transmission device |
| CN107370063B (en) * | 2017-08-02 | 2019-11-12 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Cable extends the functional module that do not have a power failure in GIS |
| CN108321040B (en) * | 2018-01-12 | 2020-05-08 | 平高集团有限公司 | Circuit breaker transmission structure and circuit breaker equipment adopting same |
| CN110379654A (en) * | 2019-07-16 | 2019-10-25 | 新东北电气集团高压开关有限公司 | A kind of vertical transmission converting device for porcelain knob breaker |
| CN116092845B (en) * | 2023-04-03 | 2023-06-16 | 宁波天安智能电网科技股份有限公司 | Series digital double-break high-voltage switch device |
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| JP3279039B2 (en) * | 1993-06-04 | 2002-04-30 | 三菱電機株式会社 | Circuit breaker |
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| KR100771673B1 (en) * | 2006-08-16 | 2007-10-31 | 주식회사 효성 | Gas insulated switchgear |
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| DE2538130C2 (en) * | 1975-08-25 | 1985-03-28 | Siemens AG, 1000 Berlin und 8000 München | High voltage switch |
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| WO2020030361A1 (en) * | 2018-08-07 | 2020-02-13 | Siemens Aktiengesellschaft | Shifting device and gear unit therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104465203A (en) | 2015-03-25 |
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