CN108648948A - High current earthing or grounding means - Google Patents
High current earthing or grounding means Download PDFInfo
- Publication number
- CN108648948A CN108648948A CN201810809598.7A CN201810809598A CN108648948A CN 108648948 A CN108648948 A CN 108648948A CN 201810809598 A CN201810809598 A CN 201810809598A CN 108648948 A CN108648948 A CN 108648948A
- Authority
- CN
- China
- Prior art keywords
- switch
- earthing
- high current
- earthing knife
- grounding means
- 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
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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
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to High-Voltage Electrical Appliances earthing switch technical fields, more particularly, to high current earthing or grounding means.The present invention solves the problems, such as that existing earthing switch through-current capability is contradicted with installation space, high current earthing or grounding means of the present invention, including pedestal and quiet side group seat, further includes transmission mechanism, earthing knife-switch, button contact base and fingertip；The transmission mechanism is arranged in pedestal, transmission mechanism drives earthing knife-switch to move up and down and rotate, the bottom end of earthing knife-switch is connect by being flexible coupling with pedestal, button contact base is fixed on quiet side group seat, fingertip is arranged in button contact base, button contact base is corresponding with the other end of earthing knife-switch, when earthing knife-switch is moved to highest position, is contacted with the fingertip in button contact base.
Description
Technical field
Originally it is related to High-Voltage Electrical Appliances earthing switch technical field, more particularly, to high current earthing or grounding means.
Background technology
High-Voltage Electrical Appliances earthing switch is the mechanical switch for circuit ground part, has both needed to carry within a certain period of time
Electric current under non-normal condition, but requirement can bear certain insulation voltage.Existing earthing switch includes disconnecting link formula and direct acting
Two kinds of plug-in type, wherein disconnecting link formula earthing switch installation requirement space is small, but through-current capability is weak, direct acting plug-in type earthing switch energy
High current is born, but installation space demand is big.
Invention content
To solve the problems, such as that earthing switch through-current capability existing in the prior art is contradicted with installation space, the present invention carries
Go out a kind of high current earthing or grounding means, which employs compound motion structures, and earthing knife-switch is made to carry out vertical and straight movement and rotation, realize high-voltage electricity
Device earthing switch ensure that larger through-current capability while reducing installation requirements space.
Technical proposal that the invention solves the above-mentioned problems is high current earthing or grounding means, including pedestal and quiet side group seat, special
Different place is：Further include transmission mechanism, earthing knife-switch, button contact base and fingertip；The transmission mechanism is arranged in pedestal, transmission mechanism
Earthing knife-switch is driven to move up and down and rotate, the bottom end of earthing knife-switch is connect by being flexible coupling with pedestal, and button contact base is fixed on quiet side group
On seat, fingertip is arranged in button contact base, and button contact base is corresponding with the other end of earthing knife-switch, when earthing knife-switch is moved to highest position,
It is contacted with the fingertip in button contact base.
It is the basic structure of the present invention above, is based on the basic structure, the present invention also makes following Optimal improvements：
Further, above-mentioned transmission mechanism includes guide rail, driving shaft, connecting lever and driven shaft, and guide rail includes fanning strip, fan-shaped
Plate is equipped with curved groove；The earthing knife-switch is radially provided with through-hole close to pedestal one end, and through-hole penetrates axis pin, is further opened in the middle part of earthing knife-switch
Strip hole；Driving shaft and driven shaft are arranged on pedestal；Insulating layer is wrapped up on driven shaft, alternatively, being set in the strip hole of earthing knife-switch
There is insulating layer；Insulating layer is wrapped up on axis pin, alternatively, the through-hole wall of earthing knife-switch is equipped with insulating layer；One end of connecting lever and driving shaft
One end is fixed, and guide rail is fixed on driving shaft, and axis pin passes through in the curved groove of two fanning strips, and driven shaft is located on driving shaft
Side, driven shaft pass through the strip-shaped hole in earthing knife-switch.
Further, the curved groove on above-mentioned guide rail is made of the arc groove of two sections of different radians, two sections of different radians
Arc groove is the first arc groove and the second arc groove.It is designed to the arc groove of two sections of different radians, when being to realize separating brake, ground
Knife first moves downward, and to after certain distance, is rotated around driven shaft；When closing operation, earthing knife-switch is first rotated around driven shaft, when turning to
After quiet side corresponding position, move upwards and button contact base in fingertip contact, complete closing operation.
Further, above-mentioned quiet side group seat is equipped with location structure, and location structure is used for and the upper end of earthing knife-switch is coordinated.
Further, above-mentioned earthing knife-switch is hollow cylinder, and location structure includes column-shaped projection, and column-shaped projection can go deep into hollow
Coordinated inside cylinder.
Further, the end of above-mentioned column-shaped projection is equipped with chamfering.
Further, the quantity of above-mentioned fanning strip is two.
Further, said base is the babinet of a top uncovered.
Further, above-mentioned to be flexible coupling for fexible conductor.
Advantages of the present invention：
1, the curved groove of high current earthing or grounding means of the present invention, guide rail is made of the arc groove of two sections of different radians, and earthing knife-switch is logical
The arc groove cooperation for crossing two sections of different radians carries out linear motion and rotary motion compound；First arc groove and earthing knife-switch cooperation,
Earthing knife-switch by linear motion and fingertip realization be contacting and separating, guide rail is supplied to a upward active force of earthing knife-switch, ensure that compared with
Big through-current capability；Second arc groove and earthing knife-switch cooperation, earthing knife-switch realize rotation centered on driven shaft again, reduce volume and account for
Use space；
2, high current earthing or grounding means of the present invention, location structure is equipped in quiet side group seat, and hollow cylinder earthing knife-switch passes through quiet side group
Location structure coordinates in seat, and when combined floodgate can realize reliable contacts.
Description of the drawings
Fig. 1 is structure chart when high current earthing or grounding means of the present invention is in combined floodgate；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is base construction figure in Fig. 1；
Fig. 4 is Fig. 1 middle guide structure charts；
Fig. 5 is earthing knife-switch structure chart in Fig. 1；
Fig. 6 is contact finger structure figure in Fig. 1；
Fig. 7 is button contact base structure chart in Fig. 1；
Fig. 8 is quiet side group holder structure figure in Fig. 1；
Fig. 9 is the gate-dividing state figure of high current earthing or grounding means of the present invention.
Wherein, 1- pedestals；The quiet side group seats of 2-；3- earthing knife-switch；4- button contact bases；5- fingertips；6- is flexible coupling；7- guide rails；8- is actively
Axis；9- connecting levers；10- driven shafts；11- axis pins；12- springs；13, location structure；14, the first arc groove；15, the second arc groove.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention provides high current earthing or grounding means, referring to Fig. 1-Fig. 8, a kind of high current earthing or grounding means, including base
Seat 1, quiet side group seat 2, transmission mechanism, earthing knife-switch 3, button contact base 4 and fingertip 5.
Pedestal 1 is the babinet of a top uncovered；Earthing knife-switch 3 is hollow cylinder, while proof strength, mitigates weight, profit
In operation portability.Quiet side group seat 2 is equipped with location structure 13, and location structure includes column-shaped projection, and column-shaped projection can be deeply empty
Coordinated inside heart cylinder.3 inner headed face of earthing knife-switch and the contact of location structure periphery, the upward power that cooperation guide rail applies,
Ensure that earthing knife-switch 3 and fingertip are steadily contacted.The end of column-shaped projection is equipped with chamfering, plays the role of being oriented to and avoid to scratch.
Certainly, earthing knife-switch 3 can also be designed to that the structure of rectangular strip or other shapes, the protrusion of detent mechanism 13 also may be used
To be made a change according to the shape of earthing knife-switch 3.
Transmission mechanism includes guide rail 7, driving shaft 8, connecting lever 9 and driven shaft 10, and guide rail 7 includes the identical sector of two sizes
Plate, fanning strip are equipped with curved groove, and curved groove is made of the arc groove of two sections of different radians, and the arc groove of two sections of different radians is
First arc groove 14 and the second arc groove 15.
The earthing knife-switch 3 is radially provided with through-hole close to 1 one end of pedestal, and axis pin 11 is penetrated in through-hole, and 3 middle part of earthing knife-switch is further opened with
Strip hole；Driving shaft 8 and driven shaft 10 are arranged on pedestal 1, and insulating layer is wrapped up on driven shaft 10, alternatively, the strip of earthing knife-switch 3
Insulating layer is equipped in hole；Insulating layer is wrapped up on axis pin 11, alternatively, the through-hole wall of earthing knife-switch 3 is equipped with insulating layer.One end of connecting lever 9
It is fixed with one end of driving shaft 8, guide rail 7 is fixed on driving shaft 8, and axis pin 11 passes through in the curved groove of two fanning strips, driven
Axis 10 is located at 8 top of driving shaft, and driven shaft 10 passes through the strip-shaped hole in earthing knife-switch 3.Strip-shaped hole coordinates with axis pin 11, rises to be oriented to and make
With.
The bottom end of earthing knife-switch 36 is connect by being flexible coupling with pedestal 1, and button contact base 4 is fixed on quiet side group seat 2, the number of fingertip 5
Amount is multiple, and multiple fingertips 5 are arranged in button contact base 4, and a spring 12 is arranged between 4 inner wall of each fingertip 5 and button contact base.It touches
It is corresponding with the other end of earthing knife-switch 3 to refer to seat 4.It is flexible coupling 6 for fexible conductor, if fexible conductor includes dried layer scale copper, if dried layer
The both ends of scale copper are compacted.Quiet side group seat 2 is mounted in breaker or disconnecting switch, and pedestal 1 is grounded.
The operation principle of the present invention is that：
Using the state of Fig. 1 middle guides 7 as initial state, drives driving shaft 8 to rotate clockwise by connecting lever 9, be fixed on
Guide rail 7 on driving shaft 8 rotates therewith, and is moved in first the first arc groove 14 in guide rail 7 of axis pin 11, earthing knife-switch 3 is done downwards straight
Line moves, and 3 upper end of earthing knife-switch detaches with fingertip 5, after being separated to certain position (strip hole top is contacted with driven shaft 10, earthing knife-switch without
Method continues to move downward), axis pin 11 moves in the second arc groove 15 in guide rail 7 again, and earthing knife-switch 3 starts around 10 turns of driven shaft
Dynamic, until certain position, axis pin 11 is contacted with the end of the second arc groove 15, realizes sub-switching operation (see Fig. 9)；Pass through connecting lever 9
Driving shaft 8 is driven to rotate, the guide rail 7 being fixed on driving shaft 8 rotates therewith, second arc groove 15 of the axis pin 11 in guide rail 7
Interior movement, earthing knife-switch 3 turn to the corresponding position with quiet side group seat 2 around driven shaft 10, and then connecting lever 9 drives driving shaft 8 and guide rail 7
It is rotated further, strip hole lower part is contacted with driven shaft 10, and axis pin 11 moves in the first arc groove 14 in guide rail 7, drives ground
Knife 3 moves in a straight line upwards, and the location structure reliable contacts in 3 upper end of earthing knife-switch and fingertip 5 and quiet side group seat 2 are realized and closed
Lock operates.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (9)
1. a kind of high current earthing or grounding means, including pedestal (1) and quiet side group seat (2), it is characterised in that：Further include transmission mechanism,
Earthing knife-switch (3), button contact base (4) and fingertip (5)；
The transmission mechanism setting is in pedestal (1), and transmission mechanism drives earthing knife-switch (3) to move up and down and rotate, earthing knife-switch (3)
Bottom end by be flexible coupling (6) connect with pedestal (1), button contact base (4) is fixed on quiet side group seat (2), fingertip (5) setting touch
Refer in seat (4), button contact base (4) is corresponding with the other end of earthing knife-switch (3), when earthing knife-switch (3) is moved to highest position, with fingertip
Fingertip (5)-contact in seat (4).
2. high current earthing or grounding means according to claim 1, it is characterised in that：The transmission mechanism includes guide rail (7), master
Moving axis (8), connecting lever (9) and driven shaft (10), guide rail (7) include fanning strip, and fanning strip is equipped with curved groove；The earthing knife-switch (3)
It is radially provided with through-hole close to pedestal (1) one end, axis pin (11) is penetrated in through-hole, strip hole is further opened in the middle part of earthing knife-switch (3)；
Driving shaft (8) and driven shaft (10) are arranged on pedestal (1)；Driven shaft wraps up insulating layer on (10), alternatively, earthing knife-switch
(3) insulating layer is equipped in strip hole；Axis pin wraps up insulating layer on (11), alternatively, the through-hole wall of earthing knife-switch (3) is equipped with insulation
Layer；
One end of connecting lever (9) and one end of driving shaft (8) are fixed, and guide rail (7) is fixed on driving shaft (8), and axis pin (11) passes through
In the curved groove of fanning strip, driven shaft (10) is located above driving shaft (8), and driven shaft (10) passes through the strip-shaped hole in earthing knife-switch (3).
3. high current earthing or grounding means according to claim 2, it is characterised in that：Curved groove on the guide rail (7) is by two
The arc groove of Duan Butong radians forms, and the arc groove of two sections of different radians is the first arc groove (14) and the second arc groove (15).
4. according to any high current earthing or grounding means of claim 1-3, it is characterised in that：It is set on the quiet side group seat (2)
There is location structure (13), location structure (13) is used for and the upper end of earthing knife-switch (3) is coordinated.
5. high current earthing or grounding means according to claim 4, it is characterised in that：The earthing knife-switch (3) is hollow cylinder, fixed
Bit architecture includes column-shaped projection, and column-shaped projection can go deep into being coordinated inside hollow cylinder.
6. high current earthing or grounding means according to claim 5, it is characterised in that：The end of column-shaped projection is equipped with chamfering.
7. high current earthing or grounding means according to claim 6, it is characterised in that：The quantity of the fanning strip is two.
8. high current earthing or grounding means according to claim 7, it is characterised in that：Pedestal (1) is the babinet of a top uncovered.
9. high current earthing or grounding means according to claim 8, it is characterised in that：It is flexible coupling (6) for fexible conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809598.7A CN108648948B (en) | 2018-07-23 | 2018-07-23 | Heavy current grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809598.7A CN108648948B (en) | 2018-07-23 | 2018-07-23 | Heavy current grounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108648948A true CN108648948A (en) | 2018-10-12 |
| CN108648948B CN108648948B (en) | 2023-05-16 |
Family
ID=63759950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809598.7A Active CN108648948B (en) | 2018-07-23 | 2018-07-23 | Heavy current grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108648948B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07147711A (en) * | 1993-11-24 | 1995-06-06 | Fuji Electric Co Ltd | Electrical-equipment driving shaft device for switchboard |
| CN201032613Y (en) * | 2007-02-16 | 2008-03-05 | 常熟开关制造有限公司(原常熟开关厂） | Interlocking device for switching equipment |
| CN201038039Y (en) * | 2007-04-17 | 2008-03-19 | 仪征市电瓷电器有限责任公司 | Separation switch transmission device with earthing switch |
| CN101819901A (en) * | 2010-04-28 | 2010-09-01 | 山东泰开隔离开关有限公司 | Driving device for two-step action type ground switch |
| CN202258983U (en) * | 2011-09-16 | 2012-05-30 | 武汉钢铁(集团)公司 | Mechanical locking device of three-station switch |
| DE102011111183A1 (en) * | 2011-08-25 | 2013-02-28 | Abb Technology Ag | Drive device for a multi-position switch |
| DE202015106726U1 (en) * | 2015-12-10 | 2016-01-14 | Abb Technology Ag | Gas-insulated high-voltage switch |
| CN206421983U (en) * | 2017-01-03 | 2017-08-18 | 镇江华源晋昌电器有限公司 | The auxiliary knife ground connection drive mechanism of on-load switch |
| CN107275146A (en) * | 2017-08-04 | 2017-10-20 | 浙江聚弘凯电气有限公司 | Transmission mechanism for primary cut-out |
| CN206698579U (en) * | 2017-04-21 | 2017-12-01 | 西安航空学院 | Anti-static device for communication equipment |
| CN206774437U (en) * | 2017-05-12 | 2017-12-19 | 上海西电高压开关有限公司 | A kind of earthed switch structure of Cubicle Gas-Insulated Switchgear |
| CN207602422U (en) * | 2017-10-29 | 2018-07-10 | 默飓电气有限公司 | A kind of electronic three position mechanism |
| CN208819790U (en) * | 2018-07-23 | 2019-05-03 | 西安航空学院 | A kind of high current earthing or grounding means |
-
2018
- 2018-07-23 CN CN201810809598.7A patent/CN108648948B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07147711A (en) * | 1993-11-24 | 1995-06-06 | Fuji Electric Co Ltd | Electrical-equipment driving shaft device for switchboard |
| CN201032613Y (en) * | 2007-02-16 | 2008-03-05 | 常熟开关制造有限公司(原常熟开关厂） | Interlocking device for switching equipment |
| CN201038039Y (en) * | 2007-04-17 | 2008-03-19 | 仪征市电瓷电器有限责任公司 | Separation switch transmission device with earthing switch |
| CN101819901A (en) * | 2010-04-28 | 2010-09-01 | 山东泰开隔离开关有限公司 | Driving device for two-step action type ground switch |
| DE102011111183A1 (en) * | 2011-08-25 | 2013-02-28 | Abb Technology Ag | Drive device for a multi-position switch |
| CN202258983U (en) * | 2011-09-16 | 2012-05-30 | 武汉钢铁(集团)公司 | Mechanical locking device of three-station switch |
| DE202015106726U1 (en) * | 2015-12-10 | 2016-01-14 | Abb Technology Ag | Gas-insulated high-voltage switch |
| CN206421983U (en) * | 2017-01-03 | 2017-08-18 | 镇江华源晋昌电器有限公司 | The auxiliary knife ground connection drive mechanism of on-load switch |
| CN206698579U (en) * | 2017-04-21 | 2017-12-01 | 西安航空学院 | Anti-static device for communication equipment |
| CN206774437U (en) * | 2017-05-12 | 2017-12-19 | 上海西电高压开关有限公司 | A kind of earthed switch structure of Cubicle Gas-Insulated Switchgear |
| CN107275146A (en) * | 2017-08-04 | 2017-10-20 | 浙江聚弘凯电气有限公司 | Transmission mechanism for primary cut-out |
| CN207602422U (en) * | 2017-10-29 | 2018-07-10 | 默飓电气有限公司 | A kind of electronic three position mechanism |
| CN208819790U (en) * | 2018-07-23 | 2019-05-03 | 西安航空学院 | A kind of high current earthing or grounding means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108648948B (en) | 2023-05-16 |
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