CN108648947A - A kind of three-station isolating grounding switch - Google Patents
A kind of three-station isolating grounding switch Download PDFInfo
- Publication number
- CN108648947A CN108648947A CN201810936564.4A CN201810936564A CN108648947A CN 108648947 A CN108648947 A CN 108648947A CN 201810936564 A CN201810936564 A CN 201810936564A CN 108648947 A CN108648947 A CN 108648947A
- Authority
- CN
- China
- Prior art keywords
- driving
- plate
- screw
- leading screw
- contact
- 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
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000003068 static effect Effects 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H01H31/026—Movable parts and contacts mounted thereon
-
- 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
- H01H31/003—Earthing switches
-
- 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
- H01H31/04—Interlocking mechanisms
- H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of three-station isolating grounding switch,The prior art is overcome not drive using insulation leading screw three-phase separate,It is complicated,The leading screw design requirement that insulate is high,Dielectric strength,Local discharging level and mechanical strength are all not easy to ensure and switch to three-phase drive by the output of chain drive implementation mechanism,It is big to design adjustment difficulty,Noise is also larger when work,The problem difficult to the adjustment of three-phase synchronism,It is characterized in that mounting plate and support plate are connected to form a whole by 4 points of supports,Moving contact is connect with insulated tension pole,Insulated tension pole and driving plate floating connection,Metal leading screw is installed between mounting plate and support plate,Driving screw is installed in driving plate,Advantageous effect is,Insulated tension pole and driving plate floating connection,Reduce driving resistance,Improve the contact reliability and service life of dynamic/static contact,The linear reciprocating motion for driving moving contact is rotated in driving screw by metal leading screw,It is simple in structure,And metal screw mechanism intensity is high,Improve the service life of product.
Description
Technical field
The invention belongs to high voltage electrical apparatus technical fields, more particularly to are used for 24kV and the gas-insulated gold of following voltage class
Belong to a kind of three-station isolating grounding switch that sealing switch equipment uses.
Background technology
In the prior art, the three stations isolation that 24kV and following voltage class Cubicle Gas-Insulated Switchgear use
Earthing switch organization plan is more, is not driven using insulation leading screw three-phase separate mostly, and structure is more complicated, and insulation leading screw design is wanted
Ask high, dielectric strength, particularly local discharging level and mechanical strength are all not easy to ensure.In addition it is to pass through chain in the prior art
Transmission implementation mechanism output switchs to three-phase drive, and design adjustment difficulty is big, and noise is also larger when work, to three-phase synchronism tune
Whole difficulty.
Invention content
Problem to be solved by this invention is, in place of overcome the deficiencies in the prior art, provides a kind of simple in structure, insulation water
Flat height, three-phase electrical conductor are fixedly connected, and precision is high, and there is no synchronisms to adjust problem, to improve one kind of Supply Security
Three-station isolating grounding switch.
The technology used in the present invention solution includes three-position switch operation mechanism, mounting plate, driving plate and support
Plate, the mounting plate and support plate are connected by 2 support columns and 2 guide posts, and mounting plate and support plate is made to pass through 4 point branch
Support is connected to form a whole, and the grounding static contact, insulating supporting, Interposer contact of three-phase are equipped in the right end of the support plate
With isolation contact silently, in the grounding static contact, Interposer contact and isolation, static contact is built-in is mounted on spring touch finger, passes through
Spring touch finger is conductively connected with the moving contact realization to move linearly inside it, and the moving contact is drawn by the first screw and insulation
Bar connects, and the insulated tension pole is installed by the second screw and driving plate floating connection between the mounting plate and support plate
Have metal leading screw, be equipped in the driving plate guide sleeve being sleeved in guide post and with the matched driving of metal leading screw
The mechanism output driving axis connection of screw, metal leading screw and three-position switch operation mechanism, passes through three-position switch operation mechanism
Mechanism output driving shaft drive metal leading screw to be rotated in drive screw, drive driving plate linear reciprocating motion, to drive
The linear reciprocating motion of moving contact completes three-station in isolation closing position, the conversion between sub-gate position and contact of earth position.
The floating bushing via processed in the driving plate is more than the outer diameter of the shoulder of the floating bushing left end, and the floating
The length for covering the shoulder of left end is more than the thickness of the driving plate, and second screw connects dottle pin and floating bushing and insulated tension pole
It is connected together, and is non-impaction state with driving plate, constitute the floating connecting structure of insulated tension pole and driving plate.
2 oil sealings are installed in the bearing side of the end of the metal leading screw.
Compared with prior art, the invention has the advantages that insulated tension pole and driving plate floating connection, reduce driving
Resistance, improves the contact reliability and service life of dynamic/static contact, and three-phase electrical conductor is passed through insulated tension pole and driving plate
Floating connection is integral, drives metal leading screw in driving screw by the mechanism output driving shaft of three-position switch operation mechanism
Rotation drives driving plate linear reciprocating motion, to drive the past of moving contact by rotation of the metal leading screw in driving screw
Linear motion completes three-station in isolation closing position, and the conversion between sub-gate position and contact of earth position is simple in structure,
And metal screw mechanism intensity is high, improves the service life of product.
Description of the drawings
Fig. 1 is the front view of the present invention,
Fig. 2 is the vertical view of Fig. 1,
Fig. 3 is insulated tension pole of the present invention and driving plate floating connecting structure schematic diagram,
Fig. 4 is the status diagram that the present invention is mounted in gas tank.
In figure：
1, three-position switch operation mechanisms,
2. mounting plate,
3.1. metal leading screw,
3.2.. screw is driven,
4, guide posts,
5. guide sleeve,
6. driving plate,
7. floating bushing,
7.1 dottle pins,
8. insulated tension pole,
9. moving contact,
10. support column,
11. support plate,
12. grounding static contact,
13. insulating supporting,
14, Interposer contacts,
Static contact is isolated in 15,
16, spring touch fingers,
17. ground insulation is sub,
18. grounding connection busbar,
19. insulator,
20. the first screw,
21. the second screw,
22. oil sealing.
Specific implementation mode
The specific implementation mode of the present invention is provided below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, the technical solution adopted by the present invention includes three-position switch operation mechanism 1, mounting plate
2 and support plate 11, the mounting plate 2 and support plate 11 connected by 2 support columns 10 and 2 guide posts 4, make 2 He of mounting plate
Support plate 11 is connected to form a whole by 4 points of supports, and the ground connection stationary contact of three-phase is equipped in the right end of the support plate 11
First 12, insulating supporting 13, Interposer contact 14 and isolation static contact 15, in use, static contact 15 is isolated and is mounted in gas tank
Insulator 19 connects, and in the grounding static contact 12, Interposer contact 14 and isolation, static contact 15 is built-in is mounted on spring touch finger
16, it is conductively connected with the realization of moving contact 9 to move linearly inside it by spring touch finger 16, the moving contact 9 passes through first
Screw 20 is connect with insulated tension pole 8, and the insulated tension pole 8 is by the second screw 21 and 6 floating connection of driving plate, described second
Floating bushing 7 is installed, the shoulder of 7 left end of floating bushing passes through the floating bushing via processed in driving plate 6, in floating bushing on screw 21
It is set with dottle pin 7.1 on 7 the second screw of left end 21, since the floating bushing via processed in driving plate 6 is more than 7 left end of floating bushing
Shoulder outer diameter, and the length of the shoulder of 7 left end of floating bushing be more than driving plate 6 thickness, make the second screw 21 by dottle pin 7.1
It links together with floating bushing 7 and insulated tension pole 8, and is non-impaction state with driving plate 6, constitute insulated tension pole 8 and driving
The floating connecting structure of plate 6, makes insulated tension pole 8 and 6 floating connection of driving plate, pacifies between the mounting plate 2 and support plate 11
Equipped with metal leading screw 3.1, be equipped in the driving plate 6 guide sleeve 5 being sleeved in guide post 4 and with metal leading screw 3.1
Matched driving screw 3.2 is equipped with 2 oil sealings 22 in the bearing side of the end of the metal leading screw 3.1, constitutes metal
The movable sealing structure of leading screw 3.1,
In use, the mechanism output driving axis connection of metal leading screw 3.1 and three-position switch operation mechanism 1, is opened by three stations
The mechanism output driving shaft for closing operating mechanism 1 drives metal leading screw 3.1 to be rotated in driving screw 3.2, drives driving plate 6 reciprocal
Linear motion completes three-station in isolation closing position to drive the linear reciprocating motion of moving contact 9, sub-gate position and connects
Conversion between ground closing position installs ground insulation 17 on the mounting plate 2 and connects grounding connection busbar 18, the ground connection
Static contact 12 is connect by grounding connection busbar 18 and ground insulation 17 with system earth net.
Claims (3)
1. a kind of three-station isolating grounding switch, including three-position switch operation mechanism（1）, mounting plate（2）, driving plate（6）With
Support plate（11）, which is characterized in that the mounting plate（2）And support plate（11）Pass through 2 support columns（10）With 2 guide posts
（4）Connection, makes mounting plate（2）And support plate（11）It is connected to form a whole by 4 points of supports, in the support plate（11）'s
Right end is equipped with the grounding static contact of three-phase（12）, insulating supporting（13）, Interposer contact（14）With isolation contact silently（15）,
The grounding static contact（12）, Interposer contact（14）With isolation static contact（15）It is built-in to be mounted on spring touch finger（16）, pass through
Spring touch finger（16）With the moving contact to move linearly inside it（9）Realization is conductively connected, the moving contact（9）Pass through the first spiral shell
Nail（20）With insulated tension pole（8）Connection, the insulated tension pole（8）Pass through the second screw（21）With driving plate（6）Floating connection,
The mounting plate（2）And support plate（11）Between metal leading screw is installed（3.1）, in the driving plate（6）On suit is installed
In guide post（4）On guide sleeve（5）With with metal leading screw（3.1）Matched driving screw（3.2）, metal leading screw（3.1）
With three-position switch operation mechanism（1）Mechanism output driving axis connection, pass through three-position switch operation mechanism（1）Mechanism it is defeated
Go out drive shaft and drives metal leading screw（3.1）In driving screw（3.2）Middle rotation drives driving plate（6）Linear reciprocating motion, to
Drive moving contact（9）Linear reciprocating motion, complete three-station isolation closing position, between sub-gate position and contact of earth position
Conversion.
2. a kind of three-station isolating grounding switch according to claim 1, which is characterized in that the driving plate（6）It is upper to add
The floating bushing via of work is more than the floating bushing（7）The outer diameter of the shoulder of left end, and the floating bushing（7）The length of the shoulder of left end
Degree is more than the driving plate（6）Thickness, second screw（21）By dottle pin（7.1）It is connected to floating bushing and insulated tension pole
Together, and and driving plate（6）For non-impaction state, insulated tension pole is constituted（8）With driving plate（6）Floating connecting structure.
3. a kind of three-station isolating grounding switch according to claim 1, which is characterized in that in the metal leading screw
（3.1）The bearing side of end 2 oil sealings are installed（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810936564.4A CN108648947B (en) | 2018-08-16 | 2018-08-16 | Three-station isolation grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810936564.4A CN108648947B (en) | 2018-08-16 | 2018-08-16 | Three-station isolation grounding switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108648947A true CN108648947A (en) | 2018-10-12 |
| CN108648947B CN108648947B (en) | 2023-11-03 |
Family
ID=63760950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810936564.4A Active CN108648947B (en) | 2018-08-16 | 2018-08-16 | Three-station isolation grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108648947B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137024A (en) * | 2019-06-06 | 2019-08-16 | 现代重工(中国)电气有限公司 | A New Type of Fast Earthing Switch |
| CN113223891A (en) * | 2021-04-14 | 2021-08-06 | 正泰电气股份有限公司 | High-voltage isolating switch |
| CN113223889A (en) * | 2021-04-14 | 2021-08-06 | 正泰电气股份有限公司 | A high voltage isolating switch |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3627940A (en) * | 1969-11-04 | 1971-12-14 | Coq Nv | Earthing switches |
| JPS6486423A (en) * | 1987-09-29 | 1989-03-31 | Toshiba Corp | Driving coupler for rectilinear reciprocating member |
| EP1245064A1 (en) * | 2000-01-03 | 2002-10-02 | Eaton Corporation | Isolator switch |
| CN2578956Y (en) * | 2002-10-08 | 2003-10-08 | 李彤 | Direct-actuated three position switch |
| CN101882527A (en) * | 2010-06-23 | 2010-11-10 | 广西中电新源电气有限公司 | Three-station isolating/grounding switch adopting floating structure and self-adaptive conductive contact |
| CN201788880U (en) * | 2010-08-27 | 2011-04-06 | 山东泰开高压开关有限公司 | Transmission device of angular disconnector |
| CN202153495U (en) * | 2011-08-02 | 2012-02-29 | 湖南丰日电源电气股份有限公司 | Solid insulating three-station isolating/grounding switch |
| CN202258973U (en) * | 2011-07-19 | 2012-05-30 | 沈阳华利能源设备制造有限公司 | Three-station isolating switch |
| CN202434399U (en) * | 2011-12-26 | 2012-09-12 | 沈阳华德海泰电器有限公司 | Three-position switch for clean and dry air insulated metal-enclosed switchgear |
| CN203706993U (en) * | 2014-01-14 | 2014-07-09 | 黄素兰 | Screw rod type direct drive type isolation switch |
| CN106409592A (en) * | 2016-11-14 | 2017-02-15 | 许继集团有限公司 | GIS (gas insulated metal-enclosed switchgear), three-position disconnecting switch thereof, moving contact device and moving contact |
| CN206163393U (en) * | 2016-11-24 | 2017-05-10 | 江西省拓网电气有限公司 | Isolation switch and connection structure who keeps apart static contact |
| CN208622637U (en) * | 2018-08-16 | 2019-03-19 | 沈阳华德海泰电器有限公司 | A three-position isolation grounding switch |
-
2018
- 2018-08-16 CN CN201810936564.4A patent/CN108648947B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3627940A (en) * | 1969-11-04 | 1971-12-14 | Coq Nv | Earthing switches |
| JPS6486423A (en) * | 1987-09-29 | 1989-03-31 | Toshiba Corp | Driving coupler for rectilinear reciprocating member |
| EP1245064A1 (en) * | 2000-01-03 | 2002-10-02 | Eaton Corporation | Isolator switch |
| CN2578956Y (en) * | 2002-10-08 | 2003-10-08 | 李彤 | Direct-actuated three position switch |
| CN101882527A (en) * | 2010-06-23 | 2010-11-10 | 广西中电新源电气有限公司 | Three-station isolating/grounding switch adopting floating structure and self-adaptive conductive contact |
| CN201788880U (en) * | 2010-08-27 | 2011-04-06 | 山东泰开高压开关有限公司 | Transmission device of angular disconnector |
| CN202258973U (en) * | 2011-07-19 | 2012-05-30 | 沈阳华利能源设备制造有限公司 | Three-station isolating switch |
| CN202153495U (en) * | 2011-08-02 | 2012-02-29 | 湖南丰日电源电气股份有限公司 | Solid insulating three-station isolating/grounding switch |
| CN202434399U (en) * | 2011-12-26 | 2012-09-12 | 沈阳华德海泰电器有限公司 | Three-position switch for clean and dry air insulated metal-enclosed switchgear |
| CN203706993U (en) * | 2014-01-14 | 2014-07-09 | 黄素兰 | Screw rod type direct drive type isolation switch |
| CN106409592A (en) * | 2016-11-14 | 2017-02-15 | 许继集团有限公司 | GIS (gas insulated metal-enclosed switchgear), three-position disconnecting switch thereof, moving contact device and moving contact |
| CN206163393U (en) * | 2016-11-24 | 2017-05-10 | 江西省拓网电气有限公司 | Isolation switch and connection structure who keeps apart static contact |
| CN208622637U (en) * | 2018-08-16 | 2019-03-19 | 沈阳华德海泰电器有限公司 | A three-position isolation grounding switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137024A (en) * | 2019-06-06 | 2019-08-16 | 现代重工(中国)电气有限公司 | A New Type of Fast Earthing Switch |
| CN113223891A (en) * | 2021-04-14 | 2021-08-06 | 正泰电气股份有限公司 | High-voltage isolating switch |
| CN113223889A (en) * | 2021-04-14 | 2021-08-06 | 正泰电气股份有限公司 | A high voltage isolating switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108648947B (en) | 2023-11-03 |
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