CN202159619U - Main grounding knifeswitch linkage for outdoor high voltage AC isolation switch - Google Patents
Main grounding knifeswitch linkage for outdoor high voltage AC isolation switch Download PDFInfo
- Publication number
- CN202159619U CN202159619U CN2011202566398U CN201120256639U CN202159619U CN 202159619 U CN202159619 U CN 202159619U CN 2011202566398 U CN2011202566398 U CN 2011202566398U CN 201120256639 U CN201120256639 U CN 201120256639U CN 202159619 U CN202159619 U CN 202159619U
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- China
- Prior art keywords
- ground cutter
- knifeswitch
- grounding
- linkage
- main
- 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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Abstract
The utility model discloses a main grounding knifeswitch linkage for an outdoor high voltage AC isolation switch, comprising a grounding knifeswitch supporting plate, a grounding knifeswitch transmission rod and a main grounding knifeswitch linkage rod, wherein the grounding knifeswitch supporting plate is fixed on the supporting seat of an isolation switch and provided with a rotating shaft, the grounding knifeswitch transmission rod is fixed at one end of the rotating shaft and rotates in a vertical plane with the rotating shaft, one end of the main grounding knifeswitch linkage rod is hinged with the grounding knifeswitch transmission rod, the other end of the main grounding knifeswitch linkage rod is hinged with the crankarm of an isolation switch rotation insulator, the grounding knifeswitch transmission rod, the main grounding knifeswitch linkage rod and the crankarm of the isolation switch rotation insulator form a four-connecting rod structure, and it can be realized that one operating mechanism can be shared by a main knifeswitch and the grounding knifeswitch through the main grounding knifeswitch linkage, thereby realizing the linkage operation of the main knifeswitch and the grounding knifeswitch.
Description
Technical field
The utility model relates to a kind of linkage, specifically relates to a kind of main ground cutter linkage of outdoor high-voltage alternating current isolating switch.
Background technology
Two kinds of double-column horizontal rotation types open air three-phase high-voltage AC isolation switch are disclosed respectively in the Granted publication number patent for CN201576603U and CN201402771Y; Have breaking-closing operating steadily, dependable performance, advantage such as the combined floodgate impulsive force is little, cost is low and the life-span is long; The operator of said two kinds of high-voltage alternating current isolating switchs all is to adopt the mode of transmission respectively with the ground cutter; Realize the purpose that operator ground cutter staggers and closes a floodgate, complex structure and cost are high.
The utility model content
The purpose of the utility model is to provide a kind of can realize the operator of isolating switch and the main ground cutter linkage of the double-column horizontal rotation type outdoor high-voltage alternating current isolating switch of ground cutter combined operation.
For achieving the above object, the utility model provides a kind of main ground cutter linkage of outdoor high-voltage alternating current isolating switch, comprise ground cutter supporting bracket, cutter drive link and main ground cutter gangbar; Said ground cutter supporting bracket is fixed on the support base of isolating switch; Said ground cutter supporting bracket is provided with rotation axis; Said ground cutter drive link is fixed in an end of said rotation axis and rotates in perpendicular with said rotation axis; Said main ground cutter gangbar one end is articulated on the said ground cutter drive link; The said main ground cutter gangbar other end is articulated on the connecting lever of the rotating insulated son of isolating switch; The connecting lever of said ground cutter drive link, main ground cutter gangbar and the rotating insulated son of isolating switch constitutes four-bar linkage structure.
The ground cutter is fixed in the other end of said rotation axis and rotates in perpendicular with said rotation axis.
Said ground cutter is connected with said rotation axis rotation and with the contact of ground cutter fixed contact.
Adopt the beneficial effect of present technique scheme to be: owing to adopted main ground cutter linkage, realized the combined operation of operator with the ground cutter, during "on" position, the ground cutter is in level; Form the apparent air insulation fracture of vertical direction with the ground cutter fixed contact of rotating insulated son top, during separating brake, the ground cutter rotatablely moves on vertical plane, last and ground cutter fixed contact contact gripping; Stablize through-flow ground connection, each polar region cutter through with the four-bar linkage structure of the connecting lever of bearing pedestal, when operator was closed a floodgate, the ground cutter carried out the separating brake action simultaneously; Otherwise when the separating brake action was carried out in operator, the ground cutter carried out feed motion; Make the structure of isolating switch simpler, more convenient to operate, simultaneously because the combined operation of operator and ground cutter; Can not make a fault, guarantee operator and the ground cutter combined floodgate that staggers, security performance is higher.
Description of drawings
Fig. 1 is the monopolar configuration sketch map of the utility model;
Fig. 2 is the three-stage structure sketch map of the utility model;
Fig. 3 is the sketch map of the main ground cutter linkage of the utility model.
Wherein, 11. left side operators, 12. right operator 21. rotating insulated sub 22. bearing pedestals, 3. operator operating mechanisms, 4. operator transmission mechanisms, 41. connecting levers, the 42. connecting rods 43. horizontal drive link 46. operator gangbar of the 44. vertical drive link 45. operators 51. ground cutter fixed contacts 52. ground cuttves 53. rotation axiss 61. ground cutter supporting brackets 62. ground cutter drive links 63. main ground cutter gangbar 7. support bases of cranking arm.
Embodiment
Specify the embodiment of the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2 and Fig. 3; Shown in legend wherein; A kind of double-column horizontal rotation type master ground cutter interlock outdoor high-voltage alternating current isolating switch; Comprise that three one poles, operator operating mechanism 3, operator transmission mechanism 4, three ground knife systems, three main ground cutter linkages and one support base 7, said each one pole comprises a current-carrying part and an insulated part; Said insulated part comprises two bearing pedestals 22 and two rotating insulated sub 21; Said operator transmission mechanism 4 comprises six connecting levers 41, connecting rod 42,43, the vertical drive links 44 of cranking arm, the horizontal drive link 45 of operator and three operator gangbar 46; Said each ground knife system comprises a ground cutter 52 and a ground cutter fixed contact 51; Said bearing pedestal 22 is symmetrically fixed on the both sides of said support base 7; Said rotating insulated sub 21 are fixed on the said bearing pedestal 22; The horizontal drive link 45 of said operator connects wherein three utmost point connecting levers 41 of a side of the said support base 7 of transmission; Saidly crank arm 43, connecting rod 42 and wherein a side connecting lever 41 of a utmost point form quadric chains; Said vertical drive link 44 connect said crank arm 43 with said operator operating mechanism 3; Said operator gangbar 46 connects the connecting lever of said support base 7 both sides; Said ground cutter 52 is located on the support base 7 of each one pole one side; Said ground cutter fixed contact 51 is located at rotating insulated sub 21 tops of said ground cutter one side; Said main ground cutter linkage connects the connecting lever 41 of said ground cutter 52 and wherein one side.
Contact contact point when the connecting lever of said each utmost point both sides is connected in the tie point of said operator gangbar and operates combined floodgate is on same straight line.
Said main ground cutter linkage comprises a ground cutter supporting bracket 61, a ground cutter drive link 62 and a main ground cutter gangbar 63; Said ground cutter supporting bracket 61 is fixed on the support base 7 of isolating switch; Said ground cutter drive link 62 is articulated on the said ground cutter supporting bracket 61; Said main ground cutter gangbar 63 1 ends are articulated on the said ground cutter drive link 62; Said main ground cutter gangbar 63 other ends are articulated on the side connecting lever 41 of the rotating insulated son of isolating switch; The connecting lever 41 of said ground cutter drive link 62, main ground cutter gangbar 63 and the rotating insulated son of isolating switch constitutes four-bar linkage structure.
Said ground cutter 52 is connected with said jointed shaft rotation and with 51 contacts of ground cutter fixed contact.
Introduce the operation principle of the utility model below.
Adopt the beneficial effect of present technique scheme to be: owing to adopted main ground cutter linkage, realized the combined operation of operator with the ground cutter, during "on" position, the ground cutter is in level; Form the apparent air insulation fracture of vertical direction with the ground cutter fixed contact of rotating insulated son top, during separating brake, the ground cutter rotatablely moves on vertical plane, last and ground cutter fixed contact contact gripping; Stablize through-flow ground connection, each polar region cutter through with the four-bar linkage structure of the connecting lever of bearing pedestal, when operator was closed a floodgate, the ground cutter carried out the separating brake action simultaneously; Otherwise when the separating brake action was carried out in operator, the ground cutter carried out feed motion; Make the structure of isolating switch simpler, more convenient to operate, simultaneously because the combined operation of operator and ground cutter; Can not make a fault, guarantee operator and the ground cutter combined floodgate that staggers, security performance is higher.
Above-described only is the preferred implementation of the utility model; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; Can also make some distortion and improvement, these all belong to the protection range of the utility model.
Claims (3)
1. the main ground cutter linkage of an outdoor high-voltage alternating current isolating switch is characterized in that, comprise ground cutter supporting bracket, cutter drive link and main ground cutter gangbar; Said ground cutter supporting bracket is fixed on the support base of isolating switch; Said ground cutter supporting bracket is provided with rotation axis; Said ground cutter drive link is fixed in an end of said rotation axis and rotates in perpendicular with said rotation axis; Said main ground cutter gangbar one end is articulated on the said ground cutter drive link; The said main ground cutter gangbar other end is articulated on the connecting lever of the rotating insulated son of isolating switch; The connecting lever of said ground cutter drive link, main ground cutter gangbar and the rotating insulated son of isolating switch constitutes four-bar linkage structure.
2. the main ground cutter linkage of outdoor high-voltage alternating current isolating switch according to claim 1 is characterized in that the ground cutter is fixed in the other end of said rotation axis and rotates in perpendicular with said rotation axis.
3. the main ground cutter linkage of outdoor high-voltage alternating current isolating switch according to claim 2 is characterized in that, said ground cutter is connected with said rotation axis rotation and with the contact of ground cutter fixed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202566398U CN202159619U (en) | 2011-07-20 | 2011-07-20 | Main grounding knifeswitch linkage for outdoor high voltage AC isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202566398U CN202159619U (en) | 2011-07-20 | 2011-07-20 | Main grounding knifeswitch linkage for outdoor high voltage AC isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159619U true CN202159619U (en) | 2012-03-07 |
Family
ID=45767245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202566398U Expired - Fee Related CN202159619U (en) | 2011-07-20 | 2011-07-20 | Main grounding knifeswitch linkage for outdoor high voltage AC isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983035A (en) * | 2012-11-21 | 2013-03-20 | 正泰电气股份有限公司 | Three phase earthing switch structure driven by duplex pull rods and distributed in I shape |
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
-
2011
- 2011-07-20 CN CN2011202566398U patent/CN202159619U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983035A (en) * | 2012-11-21 | 2013-03-20 | 正泰电气股份有限公司 | Three phase earthing switch structure driven by duplex pull rods and distributed in I shape |
| CN102983035B (en) * | 2012-11-21 | 2015-01-28 | 正泰电气股份有限公司 | Three phase earthing switch structure driven by duplex pull rods and distributed in I shape |
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20130720 |