CN107045960A - Touch base component, earthed switch, isolation ground connection stacked switch and switchgear - Google Patents
Touch base component, earthed switch, isolation ground connection stacked switch and switchgear Download PDFInfo
- Publication number
- CN107045960A CN107045960A CN201710069752.7A CN201710069752A CN107045960A CN 107045960 A CN107045960 A CN 107045960A CN 201710069752 A CN201710069752 A CN 201710069752A CN 107045960 A CN107045960 A CN 107045960A
- Authority
- CN
- China
- Prior art keywords
- touch base
- force transmission
- transmission element
- striking circle
- radome
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/64—Protective enclosures, baffle plates, or screens for contacts
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to a kind of touch base component, earthed switch, isolation ground connection stacked switch and switchgear.The hole of the jack of the touch base of the earthed switch of the isolation ground connection stacked switch of the present invention is along provided with striking circle, when feeler lever is adapted to touch base to be plugged together, feeler lever is first close to striking circle, so electric arc is just occurring on the striking circle, it is to avoid fingertip is made its electric conductivity be affected by the ablation of electric arc on touch base.Striking circle directly press-fits or is fitted in by force transmission element the hole of the jack of touch base along upper by the closing-in structure of the radome on touch base, it is to avoid set fixed structure and fixture to cause the problem of touch base modular construction is complicated to fix striking circle in addition.
Description
Technical field
The present invention relates to a kind of touch base component, earthed switch, isolation ground connection stacked switch and switchgear.
Background technology
Earthed switch and disconnecting switch are integrated into a construction of switch by isolation ground connection stacked switch, make switching mechanism
Number of elements reduces cost reduction.Isolation ground connection stacked switch includes earthed switch feeler lever and earthed switch touch base, earthed switch
Touch base on be provided with radome, electric fields uniform at the inserted position for making feeler lever and touch base, feeler lever is being turned during use
Under the drive of arm can with touch base conductive contact, during feeler lever is contacted with touch base, due to both be in different current potentials,
The fingertip for being easy to produce on electric arc, touch base between the two can be made its electric conductivity be affected by the ablation of electric arc.It is existing
Technology also have set on touch base arc striking component mode electric arc is guided to arc striking component so as to avoid fingertip on touch base by
The influence of electric arc, and typically additionally need the corresponding fixed structure of setting and fixture to fix arc striking component, so it is accomplished by
Corresponding fixed structure is set on touch base and arc striking component on the premise of meeting electric field requirement, causes touch base is baroque to ask
Topic.
The content of the invention
It is an object of the invention to provide a kind of simple touch base component of arc striking component mounting structure；Meanwhile, the present invention is also carried
For the earthed switch using above-mentioned touch base component and isolation ground connection stacked switch.
To achieve the above object, touch base component of the invention is adopted the following technical scheme that：Touch base component, including touch base and
The radome being connected with touch base, in addition to the hole of touch base jack is arranged on along upper annular striking circle, before the radome
End is inverted to form closing-in structure, and the striking circle is press-fited or is directly fitted in by the interior edge of the closing-in structure by force transmission element
The hole of the jack of the touch base is along upper.
The striking circle is fitted in the hole edge of the jack of the touch base by force transmission element by the closing-in structure of the radome
On, the force transmission element is insulation force transmission element.
The striking circle is the striking circle of pre-small post-large Step Shaft shape, and the force transmission element is sleeved on the striking circle front end
Path section on, and the force transmission element rear end is provided with the step fastened with the closing-in structure of radome.
The front end face of the radome is concordant with the front end face of the force transmission element and the front end face of striking circle.
The front end of the endoporus of the striking circle is provided with the taper guide frame of opening outwardly.
The earthed switch of the present invention is adopted the following technical scheme that：Earthed switch, including touch base component and corresponding feeler lever,
The touch base component includes touch base and the radome being connected with touch base, in addition to is arranged on the hole of touch base jack along upper annular
Striking circle, the front end of the radome is inverted to form closing-in structure, and the interior edge of the closing-in structure passes through the striking circle
Force transmission element press-fits or is directly fitted in the hole of the jack of the touch base along upper.
The striking circle is fitted in the hole edge of the jack of the touch base by force transmission element by the closing-in structure of the radome
On, the force transmission element is insulation force transmission element.
The striking circle is the striking circle of pre-small post-large Step Shaft shape, and the force transmission element is sleeved on the striking circle front end
Path section on, and the force transmission element rear end is provided with the step fastened with the closing-in structure of radome.
The front end face of the radome is concordant with the front end face of the force transmission element and the front end face of striking circle.
The front end of the endoporus of the striking circle is provided with the taper guide frame of opening outwardly.
The isolation ground connection stacked switch of the present invention is adopted the following technical scheme that：Isolation ground connection stacked switch, including ground connection are opened
Close, the earthed switch includes touch base component and corresponding feeler lever, the touch base component includes touch base and is connected with touch base
Radome, in addition to be arranged on the hole of touch base jack along upper annular striking circle, the front end of the radome is inverted to form
The striking circle is press-fited or is directly fitted in the touch base by closing-in structure, the interior edge of the closing-in structure by force transmission element
The hole of jack is along upper.
The striking circle is fitted in the hole edge of the jack of the touch base by force transmission element by the closing-in structure of the radome
On, the force transmission element is insulation force transmission element.
The striking circle is the striking circle of pre-small post-large Step Shaft shape, and the force transmission element is sleeved on the striking circle front end
Path section on, and the force transmission element rear end is provided with the step fastened with the closing-in structure of radome.
The front end face of the radome is concordant with the front end face of the force transmission element and the front end face of striking circle.
The front end of the endoporus of the striking circle is provided with the taper guide frame of opening outwardly.
The switchgear of the present invention is adopted the following technical scheme that：Switchgear, including isolation ground connection stacked switch, it is described every
Include earthed switch from ground connection stacked switch, the earthed switch includes touch base component and corresponding feeler lever, the touch base group
Part includes touch base and the radome being connected with touch base, in addition to is arranged on the hole of touch base jack along upper annular striking circle,
The front end of the radome is inverted to form closing-in structure, and the interior edge of the closing-in structure press-fits the striking circle by force transmission element
Or be directly fitted in the touch base jack hole along upper.
The striking circle is fitted in the hole edge of the jack of the touch base by force transmission element by the closing-in structure of the radome
On, the force transmission element is insulation force transmission element.
The striking circle is the striking circle of pre-small post-large Step Shaft shape, and the force transmission element is sleeved on the striking circle front end
Path section on, and the force transmission element rear end is provided with the step fastened with the closing-in structure of radome.
The front end face of the radome is concordant with the front end face of the force transmission element and the front end face of striking circle.
The front end of the endoporus of the striking circle is provided with the taper guide frame of opening outwardly.
The beneficial effects of the invention are as follows：The hole of the jack of the touch base of the earthed switch of the isolation ground connection stacked switch of the present invention
Along provided with striking circle, when feeler lever is adapted to touch base to be plugged together, feeler lever is first close to striking circle, and such electric arc is just occurring in striking
On circle, it is to avoid fingertip is made its electric conductivity be affected by the ablation of electric arc on touch base.Striking circle passes through on touch base
The closing-in structure of radome directly press-fits or is fitted in by force transmission element the hole of the jack of touch base along upper, it is to avoid set in addition solid
Determine structure and fixture fix striking circle and the problem of cause touch base modular construction complicated；
Further, striking circle is fitted in the hole of the jack of touch base by force transmission element along upper by the closing-in structure of radome, and
Force transmission element is insulation force transmission element, it is to avoid arc current circulates from radome and makes radome temperature distortion；
Further, striking circle is the striking circle of annular, makes striking coil structures simple, easy to process；
Further, striking circle is the striking circle of pre-small post-large Step Shaft shape, and force transmission element is sleeved on the path of striking circle front end
Duan Shang, and force transmission element rear end is provided with the step fastened with the closing-in structure of radome, is so by the closing-in structure of radome
Force transmission element can be fitted on touch base together with striking circle, it is simple in construction, it is only necessary to process land on force transmission element and striking circle, make
Two parts are easy to process；
Further, the front end face of radome is concordant with the front end face of the front end face of force transmission element and striking circle, so makes shielding
The front-end architecture of cover touch base component is compact；
Further, the front end of the endoporus of striking circle is provided with the taper guide frame of opening outwardly, plays and draws when feeler lever is inserted
Lead effect.
Brief description of the drawings
Fig. 1 is the structural representation of the specific embodiment of the switchgear of the present invention；
Fig. 2 is the structural representation for isolating ground connection stacked switch in Fig. 1；
Fig. 3 be Fig. 2 in earthed switch stationary contact holder assembly structural representation；
In accompanying drawing：A, isolation ground connection stacked switch；1st, earthed switch moved end touch base；2nd, earthed switch static side touch base component；3rd, connect
Ground switchs feeler lever；3 ', ground switch earthing position；4th, insulated tension pole；5th, disconnecting switch feeler lever；5 ', disconnecting switch closing position；6th, every
Leave pass static side touch base；7th, disconnecting switch moved end touch base；8th, end of incoming cables conductor；9th, leading-out terminal conductor；21st, earthed switch static side is touched
Seat；22nd, earthed switch static side touch base radome；23rd, striking circle；24th, force transmission element；25th, spring touch finger；221st, closing-in structure；
231st, striking ring platform；232nd, taper surface；241st, step.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the switchgear of the present invention, as shown in Figure 1 to Figure 3, switchgear include isolation ground connection combination
A is switched, isolation ground connection stacked switch A includes isolating switch mechanism and earthed switch mechanism.Earthed switch mechanism is opened including ground connection
Close moved end touch base 1, earthed switch static side touch base component 2 and earthed switch feeler lever 3.Earthed switch static side touch base component 2 includes connecing
Ground switch static side touch base 21 and the earthed switch static side touch base radome 22 for being sleeved on the outside of earthed switch static side touch base 21.Ground connection
It is cylindricality to switch static side touch base 21, is internally provided with the endoporus inserted for earthed switch feeler lever 3, and the internal face of endoporus, which is provided with, to be used
In conductive spring touch finger 25.Earthed switch static side touch base radome 22 is tubular construction, and the front end of tubular construction is tied to close up
Structure, rear end, which is provided with, is used for mounting hole, and earthed switch static side touch base radome 22 is fixed on by corresponding bolt after passing through mounting hole
On the touch base of disconnecting switch moved end.Striking circle 23 is cirque structure, and the endoporus of the circular ring structure is connected with the endoporus of touch base, is used
In for ground connection feeler lever insertion.The rear end of striking circle 23 is provided with the striking ring platform 231 stretched out, is monolithically fabricated it pre-small post-large
Step Shaft shape structure, the front end of striking circle endoporus is provided with the taper surface 232 for guiding.The force transmission element 24 of isolation material is ring
Shape structure, the size of its endoporus is in the same size with the periphery of striking circle 23, and such force transmission element 24, which can just cover, is attached to striking circle
In the path section of 23 front ends, the rear end of force transmission element 24 is provided with the step 241 stretched out, and the profile and earthed switch of step 241 are quiet
The shape of closing-in structure 221 of the front end of end touch base radome 22 is just adapted to, so that closing-in structure 221 can be fastened on step 241
On.
After earthed switch static side touch base component 2 is assembled in place, earthed switch static side touch base 21 is bolted on isolation
Switch on moved end touch base 7, earthed switch static side touch base radome 22 is fixed on disconnecting switch moved end by the mounting hole of its rear end
On touch base, force transmission element 24 is press fit into outside striking circle 23 by earthed switch static side touch base radome 22 by the closing-in structure of its front end
In land on week, coordinate the front end face block of striking circle 23 and earthed switch static side touch base, realize the fixation of striking circle, this
When force transmission element 24 constitute radome closing-in structure the force transmission element between striking circle, after being installed in place, the receipts of radome 22
The front end face of mouth structure 221 is concordant with the front end face of the front end face of force transmission element and striking circle, makes compact conformation at this.So lead to
Cross radome the installation of striking circle can be achieved and fix, it is to avoid other setting fixed structure and fixture fix striking circle,
Reduce the number of parts of touch base component, simple in construction, cost is also accordingly reduced.In use, earthed switch feeler lever exists
During touch base adaptation is plugged together, first close to striking circle, if you occur electric discharge phenomena, electric arc just produce feeler lever and striking circle it
Between, it is to avoid the fingertip on touch base is made its electric conductivity be affected by the ablation of electric arc.
In the above embodiment of the present invention, between the closing-in structure and striking circle of earthed switch static side touch base radome
It is in order that earthed switch static side touch base radome and striking circle insulated contact, such electric current would not be from ground connection to set force transmission element
Switch and circulated on static side touch base radome, it is to avoid the heating deformation of earthed switch static side touch base radome, it is, of course, also possible to connect
Insulating coating is set at the closing in of ground switch static side touch base radome or set on the position that striking circle is contacted with closing-in structure
Put insulating coating so that between earthed switch static side touch base radome and striking circle mutually insulated, now radome closing-in structure
Striking circle is directly fitted in the hole of jack of touch base along upper；Striking circle is set to the striking circle of annular, makes striking circle
It is simple in construction, it is easy to processing, and also the shape of striking circle can be just adapted to the end face of touch base, make touch base modular construction tight
Gather, volume reduces；Earthed switch static side touch base radome is fastened on the step of force transmission element by the closing-in structure of its front end, is passed
Coordinate on the periphery of power part suit striking circle and with striking ring platform block, so process land on force transmission element and striking circle
, make component structural simple, be easy to processing, it is, of course, also possible to set annular groove on the rear end face of force transmission element, opened in ground connection
Turning edge to rear side is set at the closing in for closing static side touch base radome, this, which turns edge, during installation is buckled in annular groove, this to turn edge and ring
The fit structure of groove can also be grounded the installation of switch static side touch base radome and force transmission element, can also be after striking circle
Annular groove is set on end face, force transmission element is now set to the annulus with the annular groove shape adaptation, force transmission element so can be also realized
Interfixing between striking circle；The taper surface of the endoporus front end of striking circle can also be rounding corner structure.In common ground connection
The structure of the earthed switch static side touch base component in above-described embodiment can also be used in switch.
The embodiment of the touch base component of the present invention, the touch base component is opened with the ground connection in the embodiment of above-mentioned switchgear
The structure for closing static side touch base component is identical, repeats no more.
The embodiment of the earthed switch of the present invention, the earthed switch is opened with the ground connection in the embodiment of above-mentioned switchgear
The structure of pass is identical, repeats no more.
The embodiment of the isolation ground connection stacked switch of the present invention, the isolation ground connection stacked switch and above-mentioned switchgear
Isolation ground connection stacked switch structure in embodiment is identical, repeats no more.
Claims (20)
1. touch base component, including touch base and the radome connected with touch base, it is characterised in that：Also include being arranged on touch base jack
Hole along upper annular striking circle, the front end of the radome is inverted to form closing-in structure, the closing-in structure it is interior along will
The striking circle press-fited by force transmission element or the jack that is directly fitted in the touch base hole along upper.
2. touch base component according to claim 1：The closing-in structure of the radome is by force transmission element by the striking circle
The hole of jack of the touch base is fitted in along upper, the force transmission element is insulation force transmission element.
3. touch base component according to claim 2, it is characterised in that：The striking circle is pre-small post-large Step Shaft shape
Striking circle, the force transmission element is sleeved in the path section of the striking circle front end, and the force transmission element rear end is provided with and radome
Closing-in structure fasten step.
4. touch base component according to claim 3, it is characterised in that：The front end face of the radome and the force transmission element
The front end face of front end face and striking circle is concordant.
5. the touch base component according to any one of claim 1 ~ 4, it is characterised in that：The front end of the endoporus of the striking circle is set
There is the taper guide frame of opening outwardly.
6. earthed switch, including touch base component and corresponding feeler lever, the touch base component include touch base and are connected with touch base
Radome, it is characterised in that：Also include being arranged on the hole of touch base jack along upper annular striking circle, before the radome
End is inverted to form closing-in structure, and the striking circle is press-fited or is directly fitted in by the interior edge of the closing-in structure by force transmission element
The hole of the jack of the touch base is along upper.
7. earthed switch according to claim 6：The closing-in structure of the radome is by force transmission element by the striking circle
The hole of jack of the touch base is fitted in along upper, the force transmission element is insulation force transmission element.
8. earthed switch according to claim 7, it is characterised in that：The striking circle is pre-small post-large Step Shaft shape
Striking circle, the force transmission element is sleeved in the path section of the striking circle front end, and the force transmission element rear end is provided with and radome
Closing-in structure fasten step.
9. earthed switch according to claim 8, it is characterised in that：The front end face of the radome and the force transmission element
The front end face of front end face and striking circle is concordant.
10. the earthed switch according to any one of claim 6 ~ 9, it is characterised in that：The front end of the endoporus of the striking circle
Taper guide frame provided with opening outwardly.
11. isolation ground connection stacked switch, including earthed switch, the earthed switch include touch base component and corresponding feeler lever,
The touch base component includes touch base and the radome being connected with touch base, it is characterised in that：Also include being arranged on touch base jack
Hole is along upper annular striking circle, and the front end of the radome is inverted to form closing-in structure, and the interior edge of the closing-in structure is by institute
State striking circle press-fited by force transmission element or be directly fitted in the touch base jack hole along upper.
12. isolation ground connection stacked switch according to claim 11：The closing-in structure of the radome will by force transmission element
The striking circle is fitted in the hole of the jack of the touch base along upper, and the force transmission element is insulation force transmission element.
13. isolation ground connection stacked switch according to claim 12, it is characterised in that：The striking circle is pre-small post-large
The striking circle of Step Shaft shape, the force transmission element is sleeved in the path section of the striking circle front end, and the force transmission element rear end is set
There is the step with the closing-in structure fastening of radome.
14. isolation ground connection stacked switch according to claim 13, it is characterised in that：The front end face of the radome and institute
State force transmission element front end face and striking circle front end face it is concordant.
15. the isolation ground connection stacked switch according to any one of claim 11 ~ 14, it is characterised in that：The striking circle
The front end of endoporus is provided with the taper guide frame of opening outwardly.
16. switchgear, including isolation ground connection stacked switch, the isolation ground connection stacked switch includes earthed switch, described to connect
Ground switch includes touch base component and corresponding feeler lever, and the touch base component includes touch base and the radome being connected with touch base,
It is characterized in that：Also include being arranged on the hole of touch base jack along upper annular striking circle, the front end varus shape of the radome
Into closing-in structure, the striking circle is press-fited or is directly fitted in the touch base by the interior edge of the closing-in structure by force transmission element
Jack hole along upper.
17. switchgear according to claim 16：The closing-in structure of the radome is by force transmission element by the striking
Circle is fitted in the hole of the jack of the touch base along upper, and the force transmission element is insulation force transmission element.
18. switchgear according to claim 17, it is characterised in that：The striking circle is pre-small post-large Step Shaft shape
Striking circle, the force transmission element is sleeved in the path section of the striking circle front end, and the force transmission element rear end is provided with and shielding
The step that the closing-in structure of cover is fastened.
19. switchgear according to claim 18, it is characterised in that：The front end face of the radome and the force transmission element
Front end face and striking circle front end face it is concordant.
20. the switchgear according to any one of claim 16 ~ 19, it is characterised in that：Before the endoporus of the striking circle
End is provided with the taper guide frame of opening outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069752.7A CN107045960B (en) | 2017-02-08 | 2017-02-08 | Touch base component, earthing switch, isolation ground connection stacked switch and switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069752.7A CN107045960B (en) | 2017-02-08 | 2017-02-08 | Touch base component, earthing switch, isolation ground connection stacked switch and switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107045960A true CN107045960A (en) | 2017-08-15 |
| CN107045960B CN107045960B (en) | 2019-05-14 |
Family
ID=59544506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710069752.7A Active CN107045960B (en) | 2017-02-08 | 2017-02-08 | Touch base component, earthing switch, isolation ground connection stacked switch and switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107045960B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114429879A (en) * | 2021-12-16 | 2022-05-03 | 河南平高电气股份有限公司 | Isolated static contact and three-station isolated grounding switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522252A (en) * | 2011-12-19 | 2012-06-27 | 中国西电电气股份有限公司 | Fracture structure of non-SF6 gas-insulated metal-enclosed isolating switch |
| CN103794386A (en) * | 2014-01-15 | 2014-05-14 | 北京华东电气股份有限公司 | Clamping plate type tulip contact of SF6 composite apparatus |
| CN203799881U (en) * | 2014-01-27 | 2014-08-27 | 上海思源高压开关有限公司 | Electrical connecting device for high-voltage switches |
| CN203966948U (en) * | 2014-07-02 | 2014-11-26 | 新东北电气集团高压开关有限公司 | A kind of three station isolation grounding switchs |
| CN105448549A (en) * | 2015-11-25 | 2016-03-30 | 河南平芝高压开关有限公司 | Contact assembly and grounding switch using the same, metal-enclosed switchgear |
-
2017
- 2017-02-08 CN CN201710069752.7A patent/CN107045960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522252A (en) * | 2011-12-19 | 2012-06-27 | 中国西电电气股份有限公司 | Fracture structure of non-SF6 gas-insulated metal-enclosed isolating switch |
| CN103794386A (en) * | 2014-01-15 | 2014-05-14 | 北京华东电气股份有限公司 | Clamping plate type tulip contact of SF6 composite apparatus |
| CN203799881U (en) * | 2014-01-27 | 2014-08-27 | 上海思源高压开关有限公司 | Electrical connecting device for high-voltage switches |
| CN203966948U (en) * | 2014-07-02 | 2014-11-26 | 新东北电气集团高压开关有限公司 | A kind of three station isolation grounding switchs |
| CN105448549A (en) * | 2015-11-25 | 2016-03-30 | 河南平芝高压开关有限公司 | Contact assembly and grounding switch using the same, metal-enclosed switchgear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114429879A (en) * | 2021-12-16 | 2022-05-03 | 河南平高电气股份有限公司 | Isolated static contact and three-station isolated grounding switch |
| CN114429879B (en) * | 2021-12-16 | 2024-03-22 | 河南平高电气股份有限公司 | Isolation static contact and three-station isolation grounding switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107045960B (en) | 2019-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105448578B (en) | A kind of disconnecting switch and its conductor | |
| CN105225883B (en) | Sub-component and its earthed switch are touched in quiet striking | |
| CN201364853Y (en) | Touchable vacuum circuit breaker | |
| US9620938B2 (en) | Switchboard applied with bushing-type current transformer | |
| CN201774204U (en) | Wall feed-through sleeve of soft supporting bus for high voltage switching equipment | |
| CN101728779A (en) | Metal armored withdrawable high-voltage switch cabinet | |
| CN107045960A (en) | Touch base component, earthed switch, isolation ground connection stacked switch and switchgear | |
| CN106571262B (en) | A kind of disconnecting switch and its contact assembly | |
| CN203312144U (en) | Ultra-short-type solid encapsulation pole column | |
| CN109148204A (en) | A kind of gas-insulating and fully-enclosed combined electrical apparatus and its three-station isolating grounding switch | |
| CN105304399A (en) | Integrated miniature high voltage vacuum circuit breaker | |
| CN107068457B (en) | A kind of included VFTO inhibits the switch of function | |
| CN202949199U (en) | Solid insulation busbar connection structure for connecting switch device and user side | |
| CN203326458U (en) | Mounting structure for vacuum switch and isolation ground switch in solid insulation cabinet | |
| CN103001167A (en) | Solid insulation bus connecting structure for connection of switchgear with client side | |
| CN208298753U (en) | Three-phase individual screen formula breaker | |
| CN101877290A (en) | Vacuum interruption mechanism used for strengthening electrical insulation properties | |
| CN206249975U (en) | A kind of support insulator of embedded metal shielding construction | |
| CN209993986U (en) | Overvoltage suppression cabinet | |
| CN201075360Y (en) | Breaker insulating cartridge | |
| CN205594094U (en) | Multistage voltage -multiplying subassembly | |
| CN206211376U (en) | Low-tension switch cabinet with 1/4 draw-out type functional units | |
| UA91525C2 (en) | Bushing insulator for electric transformers | |
| CN216819058U (en) | External normal pressure cabinet business turn over line sleeve pipe | |
| CN201708081U (en) | Vacuum arc extinction mechanism for enhancing electric insulation performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |