CN205984791U - Outdoor monopole vacuum circuit breaker for railway - Google Patents
Outdoor monopole vacuum circuit breaker for railway Download PDFInfo
- Publication number
- CN205984791U CN205984791U CN201621042451.2U CN201621042451U CN205984791U CN 205984791 U CN205984791 U CN 205984791U CN 201621042451 U CN201621042451 U CN 201621042451U CN 205984791 U CN205984791 U CN 205984791U
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- pole
- switching arm
- circuit breaker
- vacuum circuit
- insulated tension
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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.)
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- 230000005404 monopole Effects 0.000 title abstract 3
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000033001 locomotion Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000008450 motivation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides an outdoor monopole vacuum circuit breaker for railway, include: gu seal utmost point post, be equipped with one, insulating pull rod, the operating mechanism for the insulating pull rod of drive switches in combined floodgate position and separating brake position, and has with the actuating lever of rectilinear movement mode with power take off, and the rectilinear movement direction of actuating lever is parallel with the rectilinear movement direction of insulating pull rod, drive mechanism, drive mechanism include switching device, switching device include the axis of rotation, along with the axis of rotation rotate and with the first switching arm of actuating lever articulated and along with the axis of rotation rotate and with insulating pull rod articulated second switching arm, switching device can revolute the moving axis rotation under the straight line drive of actuating lever to drive and the insulating pull rod rectilinear movement of second switching arm articulated. The spare part of realizing whole transmission process like this is less, and transmission efficiency is higher, simultaneously because the structure is comparatively simple, and then has reduced the fault rate of outdoor monopole vacuum circuit breaker for railway in the use, has improved life.
Description
Technical field
This utility model be related to high-tension switch gear technical field and in particular to a kind of open air railway one pole vacuum circuit breaker
Device.
Background technology
Outdoor railway single-pole vacuum circuit breaker is mainly used in the traction of the electric railway that electric pressure is 27.5kV
The places such as electric substation, subregion booth, switching station, use as opening and closing load current, overcurrent and short circuit current.
Currently for outdoor railway with being used in single-pole vacuum circuit breaker operating mechanism is driven, to realize opening a sluice gate
Drive mechanism with closing operation.Drive mechanism structure of the prior art is complex, subassembler's sequence is many, thus leads to
Outdoor railway single-pole vacuum circuit breaker easily breaks down in use, and service life is shorter.
Utility model content
This utility model aims to provide a kind of open air railway single-pole vacuum circuit breaker, to simplify structure, and then reduces event
Barrier rate, improves service life.
For achieving the above object, this utility model provides a kind of open air railway single-pole vacuum circuit breaker, including：Sealing
Pole, is provided with one；Insulated tension pole, is movably linearly arranged at corresponding pole, and has and corresponding sealing
The corresponding closing position of "on" position of pole, and the corresponding open position of gate-dividing state；Operating mechanism, for driving insulation
Pull bar switches in closing position and open position, and has the drive rod outputing power with linear-movable manner, and drive rod
Rectilinear movement direction parallel with the rectilinear movement direction of insulated tension pole；Drive mechanism, drive mechanism includes switching device, switching
Device include rotary shaft, with rotary shaft rotate and first switching arm hinged with drive rod and with rotary shaft rotate and with insulation
The second hinged switching arm of pull bar, switching device can rotate around rotary shaft under the linear drives of drive rod, to drive and second
The hinged insulated tension pole rectilinear movement of switching arm.
Further, the first switching arm and the second switching arm all include：Two radially extending along rotary shaft and being oppositely arranged
Gripper shoe；It is arranged between two gripper shoes and two ends jointed shaft fixing with two gripper shoes respectively；One end of insulated tension pole or drive
One end of lever is between two gripper shoes, and is hinged on jointed shaft.
Further, the first switching arm in the yi word pattern radially extending along rotary shaft, the second switching arm in along rotate
The V-shape that Axial and radial separately extends, and the direction of the bearing of trend of the first switching arm and the second switching arm extension wherein
Parallel.
Further, hinged parallel with the bearing of trend with the first switching arm in the second switching arm of insulated tension pole
Cooperation.
Further, drive mechanism also includes：Return unit, return unit one end is fixedly installed, the other end and the second switching arm
In another side cooperation, with the case of losing driving force in drive rod drive switching device reset to sub-gate position from closing position
Put.
Further, return unit is back-moving spring.
Further, drive mechanism also includes：Be set on insulated tension pole, and one end be fixedly installed, one end with second turn
Connect the limit spring that arm abuts against.
Further, outdoor railway single-pole vacuum circuit breaker also includes the hand switch of Non-follow control rotary shaft rotation.
Further, switching device also includes rotating and threeth switching arm hinged with hand switch with rotary shaft, manually
Switch is in transmission connection with the 3rd switching arm.
Further, operating mechanism also includes the transmission hinged with output shaft connecting lever of the output shaft connecting lever that rotatably arranges
Plate, and driver plate is hinged with drive rod, wherein, drive rod is by being arranged on the rectilinear movement side with insulated tension pole in operating mechanism
To parallel guide channel guiding.
Technical solutions of the utility model, have the advantage that：
1. in the outdoor railway single-pole vacuum circuit breaker that this utility model provides, the driving that operating mechanism outputs power
The rectilinear movement direction of bar is parallel with the rectilinear movement direction of insulated tension pole, is used for realizing passing between operating mechanism and insulated tension pole
The drive mechanism being dynamically connected includes switching device, and the first switching arm in switching device can be in the straight line of drive rod hinged therewith
Rotate around rotary shaft under driving, to drive the insulated tension pole rectilinear movement hinged with the second switching arm, and then realize separating brake and conjunction
Lock, is achieved in that the parts of whole transmission process are less, transmission efficiency is higher, simultaneously because structure is relatively simple, and then drops
Low outdoor railway single-pole vacuum circuit breaker, in the fault rate using process, improves service life.
2. in the outdoor railway single-pole vacuum circuit breaker that this utility model provides, the first switching arm and the second switching arm bag
Include two gripper shoes radially extending along rotary shaft and being oppositely arranged；Be arranged between two gripper shoes and two ends respectively with described two
The fixing jointed shaft of fagging, and then while ensureing that drive mechanism structure is simple, the first switching arm and the second switching arm are driven
During due to the support of support arm, the stability of structure more preferable.
3., in the outdoor railway single-pole vacuum circuit breaker that this utility model provides, it is fixedly installed by arranging one end, separately
The return unit that one end is coordinated with the second switching arm, so in separating brake, return unit can lose the situation of driving force in drive rod
Lower drive can be rotated with switching device, realizes automatic brake separating.
4. this utility model provide outdoor railway single-pole vacuum circuit breaker in, the first switching arm in along described rotation
Axial and radial extend yi word pattern, the second switching arm in the V-shape along the radially spaced-apart extension of described rotary shaft, the first switching arm
Bearing of trend is parallel with the direction of the described second switching arm wherein extension on one side, such insulated tension pole and described second switching arm
In the parallel hinged cooperation in one side of the bearing of trend with described first switching arm, it is possible to achieve the rectilinear movement direction of drive rod
Parallel with the rectilinear movement direction of insulated tension pole, meanwhile, the cooperation of another side in return unit and the second switching arm is it is achieved that automatically
Separating brake, while switching device states function in realization, does not increase excessive structure, thus entirely outdoor railway is true with one pole
The structure of empty chopper is more simplified, and fault rate is lower.
5., in the outdoor railway single-pole vacuum circuit breaker that this utility model provides, insulated tension pole is set in by setting
On, and one end is fixedly installed, the limit spring that one end and transmission crank arm abut against, such that it is able to avoid insulated tension pole being moved through
In journey, stroke is excessive, pole is produced and damages, improve the reliability of product.
6. in the outdoor railway single-pole vacuum circuit breaker that this utility model provides, by setting and the 3rd switching arm transmission
Connect hand switch, thus except using operating mechanism drive insulated tension pole cutting between closing position and open position
Change, can also mode manually be to realize above-mentioned switching purpose, how a regulating measure, improve the facility of operation
Degree.
7., in the outdoor railway single-pole vacuum circuit breaker that this utility model provides, the drive rod in operating mechanism passes through defeated
The rotation of shaft connecting lever, the transmission of driver plate drive, and by the guide channel parallel with the rectilinear movement direction of insulated tension pole
Guiding, so that drive rod is parallel with the rectilinear movement direction of described insulated tension pole with the direction that moves linearly, so outdoor railway
With single-pole vacuum circuit breaker during "on" position and gate-dividing state switch, there is no excessive part, and then can reduce
Fault rate, improves service life.
Brief description
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
In specific embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the front view of outdoor railway single-pole vacuum circuit breaker in this utility model embodiment；
Fig. 2 is the internal structure schematic diagram in outdoor railway single-pole vacuum circuit breaker shown in Fig. 1；
Fig. 3 is another internal structure schematic diagram in outdoor railway single-pole vacuum circuit breaker shown in Fig. 1.
Wherein, the reference in above-mentioned accompanying drawing is：
10- pole；20- insulated tension pole；30- operating mechanism；31- drive rod；32- output shaft connecting lever；33- is driven
Plate；40- drive mechanism；41- switching device；411- first switching arm；412- second switching arm；413- the 3rd switching arm；414-
Rotary shaft；415- gripper shoe；416- jointed shaft；42- return unit；43- limit spring；44- transmission case；50- hand switch；60-
Insulating sleeve.
Specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described it is clear that described
Embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of not making creative work, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, are only
For the ease of description this utility model with simplify description, rather than instruction or the hint device of indication or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or hint relative importance.
As shown in Figure 1 to Figure 3, included according to the outdoor railway single-pole vacuum circuit breaker in this utility model embodiment：
Pole 10, is provided with one；Insulated tension pole 20, is movably linearly arranged at pole 10, and has and sealing pole
The corresponding closing position of "on" position of post 10, and the corresponding open position of gate-dividing state；Operating mechanism 30, for driving absolutely
Edge pull bar 20 switches in closing position and open position, and has the drive rod 31 outputing power with linear-movable manner, and
The rectilinear movement direction of drive rod 31 is parallel with the rectilinear movement direction of insulated tension pole 20；Drive mechanism 40, drive mechanism 40 wraps
Include switching device 41, switching device 41 includes rotary shaft 414, rotates with rotary shaft 414 and hinged with drive rod 31 first turn
Connect arm 411 and rotate with rotary shaft 414 and second switching arm 412 hinged with insulated tension pole 20, switching device 41 can drive
Rotate around rotary shaft 414 under the linear drives of lever 31, to drive insulated tension pole 20 straight line hinged with the second switching arm 412 to move
Dynamic.Thus in the outdoor railway single-pole vacuum circuit breaker in this utility model embodiment, operating mechanism 30 outputs power
Drive rod 31 rectilinear movement direction parallel with the rectilinear movement direction of insulated tension pole 20, be used for realizing operating mechanism 30 and exhausted
The drive mechanism 40 being in transmission connection between edge pull bar 20 includes switching device 41, and the first switching arm 411 in switching device 41 can
Rotate around rotary shaft 414 under the linear drives of drive rod 31 hinged therewith, hinged with the second switching arm 412 exhausted to drive
Edge pull bar 20 moves linearly, and then realizes separating brake and combined floodgate, is achieved in that the parts of whole transmission process are less, transmission efficiency
Higher, simultaneously because structure is relatively simple, and then reduce outdoor railway single-pole vacuum circuit breaker in the fault using process
Rate, improves service life.
Specifically, with further reference to Fig. 3, the first switching arm 411 and the second switching arm 412 all include：Along rotary shaft 414 footpath
To two gripper shoes 415 extending and be oppositely arranged；It is arranged between two gripper shoes 415 and two ends are solid with two gripper shoes 415 respectively
Fixed jointed shaft 416, one end of one end of insulated tension pole 20 or drive rod 31 is between two gripper shoes 415, and is hinged on hinge
In spindle 416.So either drive rod 31 or insulated tension pole 20, is all by being fixed in two gripper shoes 415 with two ends
Jointed shaft 416 hinged, and then while ensureing that drive mechanism 40 structure is simple, the first switching arm 411 and the second switching arm
Due to the support of support arm in 412 transmission process, the stability of structure is more preferable.
The rectilinear movement direction of drive rod 31 for realizing outputing power is put down with the rectilinear movement direction of insulated tension pole 20
OK, the insulated tension pole 20 hinged cooperation parallel with the bearing of trend with the first switching arm 411 in the second switching arm 412.
Preferably, the drive mechanism 40 in this utility model embodiment also includes：Return unit 42, specially back-moving spring,
Return unit 42 one end is fixedly installed, and is specifically integrally fixed on transmission case 44, and the other end is joined with the another side in the second switching arm 412
Close, to drive switching device 41 to reset in the case of losing driving force in drive rod 31, so in separating brake, return unit 42 is permissible
Drive in the case that drive rod 31 loses driving force and can be rotated with switching device 41, realize automatic brake separating.
As shown in Figures 2 and 3, in the railway single-pole vacuum circuit breaker of this utility model embodiment open air, the first switching
Arm 411 in the yi word pattern radially extending along rotary shaft 414, the second switching arm 412 in along the radially spaced-apart extension of rotary shaft 414
V-shape, and the direction of the bearing of trend of the first switching arm 411 extension wherein with the second switching arm 412 is parallel, so
The insulated tension pole 20 one side hinged cooperation parallel with the bearing of trend with the first switching arm 411 in the second switching arm 412, permissible
The rectilinear movement direction realizing drive rod 31 is parallel with the rectilinear movement direction of insulated tension pole 20, meanwhile, return unit 42 and second
Another side in switching arm 412 coordinates it is achieved that automatic brake separating, while switching device 41 states function in realization, does not increase
Plus excessive structure, thus entirely the structure of outdoor railway single-pole vacuum circuit breaker is more simplified, fault rate is lower.
Preferably, drive mechanism 40 also includes：It is set on insulated tension pole 20, and one end is fixedly installed, one end and second
The limit spring 43 that switching arm 412 abuts against.And insulated tension pole 20 stroke in motor process can be avoided excessive, to sealing pole
Post 10 produces and damages, and improves the reliability of product.
Preferably, the outdoor railway single-pole vacuum circuit breaker in this utility model embodiment also includes insulating sleeve 60,
Insulating sleeve 60 is set in outside insulated tension pole 20, to improve the insulating properties of insulated tension pole 20, has ensured outdoor ferrum further
The safe and stable operation of road single-pole vacuum circuit breaker.
Switching device 41 also includes rotating with rotary shaft 414 and threeth switching arm 413 hinged with hand switch 50, corresponding
This utility model embodiment in outdoor railway single-pole vacuum circuit breaker also include Non-follow control rotary shaft 414 rotation handss
Dynamic switch 50, hand switch 50 is in transmission connection with the 3rd switching arm 413, thus when "on" position and gate-dividing state switch, removing
Switching between closing position and open position for the insulated tension pole 20 driven using operating mechanism 30, can also manually
Mode is to realize above-mentioned switching purpose, how a regulating measure, improves the convenience degree of operation.
With further reference to Fig. 3, the operating mechanism 30 in this utility model embodiment also includes the output shaft rotatably arranging
Connecting lever 32 driver plate 33 hinged with output shaft connecting lever 32, and driver plate 33 is hinged with drive rod 31, wherein, drive rod 31 leads to
Cross and be arranged on parallel with the rectilinear movement direction of insulated tension pole 20 guide channel guiding in operating mechanism 30.I.e. this utility model
Drive rod 31 in operating mechanism 30 in embodiment passes through the rotation of output shaft connecting lever 32, the transmission of driver plate 33 drives, and leads to
Cross with insulated tension pole 20 rectilinear movement direction parallel guide channel guiding so that drive rod 31 with move linearly direction with
The rectilinear movement direction of insulated tension pole 20 is parallel, and so outdoor railway single-pole vacuum circuit breaker is in "on" position and gate-dividing state
During switching, there is no excessive part, and then fault rate can be reduced, improve service life.
With reference to the folding to the outdoor railway single-pole vacuum circuit breaker in this utility model embodiment for the Fig. 1 to Fig. 3
Lock process is described：
From gate-dividing state to "on" position, operate the switch knob in operating mechanism 30, the energy storage bullet in operating mechanism 30
Spring resets, and output shaft connecting lever 32 is rotated up simultaneously, drives driver plate 33 and drive rod 31 motion drive transmission device 40 upwards.
Under the driving of drive rod 31, first switching arm 411 hinged with drive rod 31 drives switching device 41 to rotate, and is filled by switching
Put 41 drive the second switching arms 412 to rotate, and then drive the insulated tension pole 20 hinged with the second switching arm 412 to move up, real
Existing insulated tension pole 20 switches to closing position from open position, and the vacuum interrupter in integrated solid sealed pole 10 passes through insulated tension pole
20 move upwards closes, and completes making process.
From "on" position to gate-dividing state, due to when from gate-dividing state to "on" position, hinged with drive rod 31
One switching arm 411 drives switching device 41 to rotate, and the 3rd switching arm 413 can be driven to rotate by switching device 41, and then stretches
Back-moving spring, compression limit journey spring simultaneously, after drive rod 31 removes power, switching device 41 is in back-moving spring and limit journey spring
Restoring force in the presence of rotate, and then drive insulated tension pole 20 move downward, the vacuum interrupter in integrated solid sealed pole 10
Moved downward by insulated tension pole 20 and separate, complete separating brake process.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among the protection domain created still in this utility model.
Claims (10)
1. a kind of open air railway single-pole vacuum circuit breaker is it is characterised in that include：
Pole (10), is provided with one；
Insulated tension pole (20), is movably linearly arranged on described pole (10) place, and has and described pole
(10) the corresponding closing position of "on" position, and the corresponding open position of gate-dividing state；
Operating mechanism (30), for driving described insulated tension pole (20) to switch in described closing position and described open position, and
There is the drive rod (31) being outputed power with linear-movable manner, and the rectilinear movement direction of described drive rod (31) with described
The rectilinear movement direction of insulated tension pole (20) is parallel；
Drive mechanism (40), described drive mechanism (40) includes switching device (41), and described switching device (41) includes rotary shaft
(414), rotate and first switching arm (411) hinged with described drive rod (31) and with described with described rotary shaft (414)
Rotary shaft (414) rotates and second switching arm (412) hinged with described insulated tension pole (20), and described switching device (41) can be
Rotate around described rotary shaft (414) under the linear drives of described drive rod (31), to drive and described second switching arm (412) hinge
Described insulated tension pole (20) rectilinear movement connecing.
2. open air according to claim 1 railway single-pole vacuum circuit breaker is it is characterised in that described first switching arm
(411) all include with described second switching arm (412)：
Two gripper shoes (415) radially extending and being oppositely arranged along described rotary shaft (414)；
It is arranged between described two gripper shoes (415) and two ends jointed shaft fixing with described two gripper shoes (415) respectively
(416)；
One end of one end of described insulated tension pole (20) or described drive rod (31) is between gripper shoe described in two (415), and
It is hinged on described jointed shaft (416).
3. according to claim 2 open air railway single-pole vacuum circuit breaker it is characterised in that
Described first switching arm (411) in the yi word pattern radially extending along described rotary shaft (414), described second switching arm
(412) in the V-shape along the radially spaced-apart extension of described rotary shaft (414), and the bearing of trend of described first switching arm (411)
Parallel with the direction of described second switching arm (412) the wherein extension on one side.
4. open air according to claim 3 railway single-pole vacuum circuit breaker is it is characterised in that described insulated tension pole (20)
With parallel with the bearing of trend of described first switching arm (411) the hinged cooperation in one side in described second switching arm (412).
5. open air according to claim 4 railway single-pole vacuum circuit breaker is it is characterised in that described drive mechanism (40)
Also include：
Return unit (42), described return unit (42) one end is fixedly installed, another in the other end and described second switching arm (412)
Side coordinates, to drive described switching device (41) to reset from closing position in the case of losing driving force in described drive rod (31)
To open position.
6. open air according to claim 5 railway single-pole vacuum circuit breaker is it is characterised in that described return unit (42) is
Back-moving spring.
7. open air according to any one of claim 1 to 6 railway single-pole vacuum circuit breaker is it is characterised in that described
Drive mechanism (40) also includes：
It is set on described insulated tension pole (20), and one end is fixedly installed, one end and described second switching arm (412) abut against
Limit spring.
8. open air according to any one of claim 1 to 6 railway single-pole vacuum circuit breaker is it is characterised in that described
Outdoor railway single-pole vacuum circuit breaker also includes the hand switch (50) that rotary shaft described in Non-follow control (414) rotates.
9. open air according to claim 8 railway single-pole vacuum circuit breaker is it is characterised in that described switching device (41)
Also include rotating and threeth switching arm (413) hinged with described hand switch (50) with described rotary shaft (414), described manual
Switch (50) is in transmission connection with described 3rd switching arm (413).
10. open air according to any one of claim 1 to 6 railway single-pole vacuum circuit breaker is it is characterised in that described
Operating mechanism (30) also includes the output shaft connecting lever (32) rotatably arranging and the hinged driver plate of described output shaft connecting lever (32)
(33), and described driver plate (33) is hinged with described drive rod (31), wherein, described drive rod (31) is by being arranged on described behaviour
The guide channel guiding parallel with the rectilinear movement direction of described insulated tension pole (20) in motivation structure (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621042451.2U CN205984791U (en) | 2016-09-07 | 2016-09-07 | Outdoor monopole vacuum circuit breaker for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621042451.2U CN205984791U (en) | 2016-09-07 | 2016-09-07 | Outdoor monopole vacuum circuit breaker for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205984791U true CN205984791U (en) | 2017-02-22 |
Family
ID=58040320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621042451.2U Withdrawn - After Issue CN205984791U (en) | 2016-09-07 | 2016-09-07 | Outdoor monopole vacuum circuit breaker for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205984791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158502A (en) * | 2016-09-07 | 2016-11-23 | 华仪电气股份有限公司 | Outdoor railway single-pole vacuum circuit breaker |
-
2016
- 2016-09-07 CN CN201621042451.2U patent/CN205984791U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158502A (en) * | 2016-09-07 | 2016-11-23 | 华仪电气股份有限公司 | Outdoor railway single-pole vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180928 |
|
| AV01 | Patent right actively abandoned |