CN209496768U - A kind of 550kV Pneumatic isolating switch - Google Patents
A kind of 550kV Pneumatic isolating switch Download PDFInfo
- Publication number
- CN209496768U CN209496768U CN201920069435.XU CN201920069435U CN209496768U CN 209496768 U CN209496768 U CN 209496768U CN 201920069435 U CN201920069435 U CN 201920069435U CN 209496768 U CN209496768 U CN 209496768U
- Authority
- CN
- China
- Prior art keywords
- switch
- limit switch
- separating brake
- insulator
- cylinder
- 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.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a kind of 550kV Pneumatic isolating switchs, including pedestal, separating brake limit switch and earthing knife-switch conductive arm, insulator is equipped with above pedestal, shelf is connected at the top of insulator, shelf interior side is equipped with cylinder, cylinder end is equipped with separating brake limit switch, separating brake limit switch bottom is equipped with connection shaft, pass through connection shaft connection between cylinder and separating brake limit switch, it connects shaft and is equipped with earthing knife-switch conductive arm, separating brake limit switch side is equipped with combined floodgate limit switch, static contact is equipped in separating brake limit switch at the top of insulator, the utility model beneficial effect achieved is: the utility model can have electromagnetic interference to avoid to other equipment；This style of disconnecting switch can adjust the speed of disconnecting switch divide-shut brake by regulating gas flow velocity, and the impact of disconnecting switch divide-shut brake can be made to reduce, keep divide-shut brake more stable and reliable；It is driven using cylinder, the driving structure of disconnecting switch can be made to simplify, can both reduce cost, divide-shut brake can also be more stable and reliable.
Description
Technical field
The utility model relates to a kind of disconnecting switch, in particular to a kind of 550kV Pneumatic isolating switch belongs to ac high-voltage
And extra-high voltage transmission equipment technical field.
Background technique
In the prior art, State Grid Corporation of China Changzhou electrical equipment inspection center oscillation Room requires, and electrical equipment is making type
There is no electromagnetic interference during formula test, therefore motor drive mechanism driving not can be used and issue for the disconnecting switch of installation, earthing switch
Electric signal, traditional disconnecting switch do not meet above-mentioned requirements, and existing defects are not available.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of 550kV and is pneumatically isolated
Switch.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of 550kV Pneumatic isolating switch of the utility model, including pedestal, separating brake limit switch and earthing knife-switch conductive arm,
It is equipped with insulator above the pedestal, shelf is connected at the top of the insulator, the shelf interior side is equipped with cylinder, the gas
Cylinder end is equipped with separating brake limit switch, and separating brake limit switch bottom is equipped with connection shaft, and the cylinder and separating brake limit are opened
By connection shaft connection between pass, the connection shaft is equipped with earthing knife-switch conductive arm, and separating brake limit switch side is equipped with
Combined floodgate limit switch is equipped with static contact in the separating brake limit switch at the top of the insulator.
Preferably, the insulator is C12.5-1050 type resistant solid core post insulator.
Preferably, the mounting means of the pedestal and its mounting surface is site welding.
Preferably, the cylinder is CDJ2B small cylinder.
Preferably, if the shelf bottom is fixed on the top of insulator by bolt stem.
The utility model beneficial effect achieved is: the utility model can have electromagnetic interference to avoid to other equipment；
This style of disconnecting switch can adjust the speed of disconnecting switch divide-shut brake by regulating gas flow velocity, can make to be isolated
It switchs divide-shut brake impact to reduce, keeps divide-shut brake more stable and reliable；It is driven using cylinder, the driving structure letter of disconnecting switch can be made
Change, can both reduce cost, divide-shut brake can also be more stable and reliable.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the attachment structure schematic diagram of the utility model cylinder, earthing knife-switch conductive arm and separating brake limit switch；
Fig. 3 is the position view of the utility model static contact；
Fig. 4 is the structural schematic diagram of the utility model pedestal；
Fig. 5 is the top view of the utility model separating brake limit switch.
In figure: 1, shelf；2, pedestal；3, insulator；4, earthing knife-switch conductive arm；5, cylinder；6, combined floodgate limit switch；7, divide
Lock limit switch；8, shaft is connected；9, static contact.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment
As shown in Figs. 1-5, a kind of 550kV Pneumatic isolating switch, including pedestal 2, separating brake limit switch 7 and earthing knife-switch are conductive
Arm 4 is equipped with insulator 3 above pedestal 2, and shelf 1 is connected at the top of insulator 3, and 1 interior side of shelf is equipped with cylinder 5,5 end of cylinder
End is equipped with separating brake limit switch 7, and 7 bottom of separating brake limit switch is equipped with connection shaft 8, leads between cylinder 5 and separating brake limit switch 7
The connection of connection shaft 8 is crossed, connection shaft 8 is equipped with earthing knife-switch conductive arm 4, and 7 side of separating brake limit switch is equipped with combined floodgate limit switch
6, the separating brake limit switch 7 at 3 top of insulator is interior to be equipped with static contact 9.
Insulator 3 is C12.5-1050 type resistant solid core post insulator 3, and resistant function is reached while providing insulation function
Can, greatly extend the service life of insulator 3；The mounting means of pedestal 2 and its mounting surface is site welding, prevents pedestal
2 are subjected to displacement；Cylinder 5 is CDJ2B small cylinder 5, economical and practical, is easy to use；If 1 bottom of shelf is fixed by bolt stem
In the top of insulator 3, the structural stability of the utility model is improved.
Specifically, the utility model include earthing knife-switch conductive arm 4, cylinder 5, combined floodgate limit switch 6, separating brake limit switch 7 with
And connection shaft 8, pull rod, the earthing knife-switch conductive arm 4 of cylinder 5 are connected by connection shaft 8, the pull rod of cylinder 5 is flexible, passes through connection
The thrust that cylinder 5 generates or pulling force are passed to disconnecting switch earthing knife-switch conductive arm 4 by shaft 8, are divided to complete disconnecting switch 4 and close
Lock, wherein insulator 3 is C12.5-1050 type resistant solid core post insulator 3, and resistant function is reached while providing insulation function
Can, greatly extend the service life of insulator 3；The mounting means of pedestal 2 and its mounting surface is site welding, prevents pedestal
2 are subjected to displacement；Cylinder 5 is CDJ2B small cylinder 5, economical and practical, is easy to use；If 1 bottom of shelf is fixed on by bolt stem
The structural stability of the utility model is improved at the top of insulator 3.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of 550kV Pneumatic isolating switch, including pedestal (2), separating brake limit switch (7) and earthing knife-switch conductive arm (4), special
Sign is, is equipped with insulator (3) above the pedestal (2), connects shelf (1) at the top of the insulator (3), the shelf (1)
Interior side is equipped with cylinder (5), and cylinder (5) end is equipped with separating brake limit switch (7), separating brake limit switch (7) bottom
Portion is equipped with connection shaft (8), passes through connection shaft (8) connection, the company between the cylinder (5) and separating brake limit switch (7)
Switch through axis (8) equipped with earthing knife-switch conductive arm (4), separating brake limit switch (7) side is equipped with combined floodgate limit switch (6), described
Static contact (9) are equipped in separating brake limit switch (7) at the top of insulator (3).
2. a kind of 550kV Pneumatic isolating switch according to claim 1, which is characterized in that the insulator (3) is
C12.5-1050 type resistant solid core post insulator (3).
3. a kind of 550kV Pneumatic isolating switch according to claim 1, which is characterized in that the pedestal (2) is installed with it
The mounting means in face is site welding.
4. a kind of 550kV Pneumatic isolating switch according to claim 1, which is characterized in that the cylinder (5) is CDJ2B
Small cylinder (5).
5. a kind of 550kV Pneumatic isolating switch according to claim 1, which is characterized in that shelf (1) bottom passes through
If bolt stem is fixed on the top of insulator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069435.XU CN209496768U (en) | 2019-01-16 | 2019-01-16 | A kind of 550kV Pneumatic isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069435.XU CN209496768U (en) | 2019-01-16 | 2019-01-16 | A kind of 550kV Pneumatic isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209496768U true CN209496768U (en) | 2019-10-15 |
Family
ID=68155424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920069435.XU Expired - Fee Related CN209496768U (en) | 2019-01-16 | 2019-01-16 | A kind of 550kV Pneumatic isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209496768U (en) |
-
2019
- 2019-01-16 CN CN201920069435.XU patent/CN209496768U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 Termination date: 20200116 |