CN203134658U - Three-position switch operating mechanism - Google Patents
Three-position switch operating mechanism Download PDFInfo
- Publication number
- CN203134658U CN203134658U CN 201220728197 CN201220728197U CN203134658U CN 203134658 U CN203134658 U CN 203134658U CN 201220728197 CN201220728197 CN 201220728197 CN 201220728197 U CN201220728197 U CN 201220728197U CN 203134658 U CN203134658 U CN 203134658U
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- gear
- rotating shaft
- segmental arc
- operating mechanism
- arc chute
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- 230000007246 mechanism Effects 0.000 title claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000002955 isolation Methods 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to the technical field of solid insulation ring main units and discloses a three-position switch operating mechanism. The three-position switch operating mechanism includes an isolation rotating shaft, a grounding rotating shaft, a first gear mechanism, a transmission shaft, a second gear mechanism and a three-position actuator; one end of the isolation rotating shaft and one end of the grounding rotating shaft respectively form an isolation operating end and a grounding operating end; the other end of the isolation rotating shaft and the other end of the grounding rotating shaft, and one end of the transmission shaft perform transmission through the first gear transmission mechanism; the other end of the transmission shaft is connected with the center of a driving gear of the second gear transmission mechanism; the center of a driven gear of the second gear transmission mechanism is connected with the three-position actuator through a connecting shaft; and the three-position actuator has a disconnecting switch moving contact connecting portion. With the three-position switch operating mechanism of the utility model adopted, the operation of switching on, switching off and grounding can be realized in a manner that a switch moving contact of a three-position vacuum arc-extinguishing chamber moves linearly.
Description
Technical field
The utility model relates to solid insulation ring main unit technical field, relates in particular to a kind of three-station operating mechanism.
Background technology
At present, the solid insulation ring main unit is progressively to miniaturization, compoundization, intelligent direction development, with isolating switch and earthed switch compound be three station isolation-earthed switches, for reduced volume, isolating switch adopts three station vacuum interrupters, and the switch movable contact of three station vacuum interrupters need be implemented in the operation of combined floodgate, separating brake, three stations of ground connection in straight-line mode.And in the prior art, traditional three position mechanism is by development on the isolating switch mechanism basis, and the motion of moving contact main axis rotation is provided, and can not be used for the operation of vacuum switch; And the operating mechanism of linearly operating, owing to can not accurately stop in the centre position, thereby can only realize two station manipulations.
Therefore, switch movable contact how to realize three station vacuum interrupters is implemented in the operation of combined floodgate, separating brake, three stations of ground connection in straight-line mode, becomes the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of this utility model provides a kind of three-station operating mechanism, is implemented in the operation of combined floodgate, separating brake, three stations of ground connection in straight-line mode with the switch movable contact of realizing three station vacuum interrupters.
To achieve these goals, the utility model provides a kind of three-station operating mechanism, comprise the isolation rotating shaft, the ground connection rotating shaft, first gear mechanism, power transmission shaft, second gear mechanism, three position actuators, described isolation rotating shaft one end, one end of ground connection rotating shaft forms the isolated operation end respectively, the ground connection operating side, the other end of described isolation rotating shaft, the other end of ground connection rotating shaft, one end of power transmission shaft carries out transmission by described first gear drive, the other end of described power transmission shaft is connected with the driving gear center of described second gear drive, the driven gear center of described second gear drive is connected with three position actuators by connecting axle, and three position actuators have isolating switch moving contact connecting portion.
Preferably, described three position actuators comprise cam, connecting rod;
Described cam is provided with chute, and described chute comprises the first segmental arc chute with different arc radius, the second segmental arc chute, the 3rd segmental arc chute that is communicated with successively; The upper end of described connecting rod is provided with pivot pin, and described bearing pin is movably connected in the described chute, and the lower end of described connecting rod is provided with the isolating switch moving contact connecting portion for the insulated tension pole that connects isolating switch; The pivot of described cam is connected with described connecting axle.
Preferably, the radian of the described first segmental arc chute, the second segmental arc chute, the 3rd segmental arc chute is 120 °.
Preferably, the two ends of described connecting axle all by bearings on frame.
Preferably, described isolating switch moving contact connecting portion is connected with the insulated tension pole of isolating switch by pivot pin.
Preferably, described connecting rod has three isolating switch moving contact connecting portions, is respectively applied to connect the insulated tension pole of three isolating switches, and three isolating switch moving contact connecting portions are in same horizontal level.
Preferably, be communicated with successively by the junction curve groove between the described first segmental arc chute, the second segmental arc chute, the 3rd segmental arc chute.
Preferably, described first gear mechanism comprises first gear, second gear, the 3rd gear, the other end of the other end of described isolation rotating shaft, ground connection rotating shaft is connected with the pivot of described first gear, second gear respectively, one end of described power transmission shaft is connected with the pivot of described the 3rd gear, and described first gear, described second gear all mesh with described the 3rd gear.
The three-station operating mechanism that the utility model provides comprises the isolation rotating shaft, the ground connection rotating shaft, first gear mechanism, power transmission shaft, second gear mechanism, three position actuators, described isolation rotating shaft one end, one end of ground connection rotating shaft forms the isolated operation end respectively, the ground connection operating side, the other end of described isolation rotating shaft, the other end of ground connection rotating shaft, one end of power transmission shaft carries out transmission by described first gear drive, the other end of described power transmission shaft is connected with the driving gear center of described second gear drive, the driven gear center of described second gear drive is connected with three position actuators by connecting axle, and three position actuators have isolating switch moving contact connecting portion.
When rotating shaft, ground connection rotating shaft are isolated in operation, the rotation of isolating rotating shaft or ground connection rotating shaft can pass to three position actuators by first gear mechanism, power transmission shaft, second gear mechanism, three position actuators can be transformed into rotation action and can realize that the switch movable contact of three station vacuum interrupters is implemented in the operation of combined floodgate, separating brake, three stations of ground connection in straight-line mode at the rectilinear motion of three position conversions.
In the preferred version, described three position actuators comprise rotating shaft, cam, connecting rod; Described cam is provided with chute, and described chute comprises the first segmental arc chute with different arc radius, the second segmental arc chute, the 3rd segmental arc chute that is communicated with successively; The upper end of described connecting rod is provided with pivot pin, and described bearing pin is movably connected in the described chute, and the lower end of described connecting rod is provided with the isolating switch moving contact connecting portion for the insulated tension pole that connects isolating switch; The pivot of described cam is connected with connecting axle.
When isolating rotating shaft and rotate preset angles, rotate to an angle by first gear mechanism, power transmission shaft, the second gear mechanism driving cam, the pivot pin on the connecting rod will move upward from low side in chute, realize the close a floodgate conversion of separating brake of isolating switch; Rotate ground connection rotating shaft rotation preset angles, rotate to an angle by first gear mechanism, power transmission shaft, the second gear mechanism driving cam, connecting rod moves upward again, realizes that the isolating switch separating brake is to the conversion of ground connection.
Three position actuators of this structure can realize accurately that the switch movable contact of three station vacuum interrupters is implemented in the operation of combined floodgate, separating brake, three stations of ground connection in straight-line mode.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of three-station operating mechanism provided by the utility model;
Fig. 2 is the structural representation of operating mechanism among Fig. 1;
Fig. 3 is the side-looking structural representation of three position actuators among Fig. 1;
Fig. 4 is the plan structure schematic diagram of three position actuators among Fig. 1;
Fig. 5 is the sectional structure schematic diagram of three position actuators among Fig. 4;
Wherein, among Fig. 1-Fig. 5:
Isolate rotating shaft 1, ground connection rotating shaft 2, power transmission shaft 3, first gear mechanism 4, second gear mechanism 5, driving gear 51, driven gear 52, three position actuators 6, connecting axle 60, cam 61, connecting rod 62, pivot pin 63, pivot pin 64, supporting bracket 71, supporting bracket 72, connecting rod 73.
Embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 1-Fig. 5, Fig. 1 is the main TV structure schematic diagram of three-station operating mechanism provided by the utility model; Fig. 2 is the structural representation of operating mechanism among Fig. 1; Fig. 3 is the side-looking structural representation of three position actuators among Fig. 1; Fig. 4 is the plan structure schematic diagram of three position actuators among Fig. 1; Fig. 5 is the sectional structure schematic diagram of three position actuators among Fig. 4.
As Fig. 1-shown in Figure 5, the three-station operating mechanism that the utility model provides comprises operating mechanism and three position actuators 6, wherein operating mechanism comprises isolation rotating shaft 1, ground connection rotating shaft 2, first gear mechanism 4, power transmission shaft 3, second gear mechanism 5, described isolation rotating shaft 1 one ends, one end of ground connection rotating shaft 2 forms the isolated operation end respectively, the ground connection operating side, the other end of described isolation rotating shaft 1, the other end of ground connection rotating shaft 2, one end of power transmission shaft 3 carries out transmission by described first gear drive, the other end of described power transmission shaft 3 is connected with driving gear 51 centers of described second gear drive, driven gear 52 centers of described second gear drive are connected with three position actuators 6 by connecting axle 60, three position actuators 6 have isolating switch moving contact connecting portion, and this isolating switch moving contact connecting portion is used for connecting the moving contact of isolating switch.
In the concrete scheme, described first gear mechanism 4 comprises first gear, second gear, the 3rd gear, the other end of the other end of described isolation rotating shaft 1, ground connection rotating shaft 2 is connected with the pivot of described first gear, second gear respectively, one end of described power transmission shaft 3 is connected with the pivot of described the 3rd gear, and described first gear, described second gear all mesh with described the 3rd gear.
Be appreciated that number and the engagement system of first gear mechanism, 4 middle gears, can be not limited to above-mentioned a kind of mode according to isolating locus between rotating shaft 1, ground connection rotating shaft 2, the power transmission shaft 3, transmitting to compare etc. and arrange arbitrarily.
When rotating shaft 1, ground connection rotating shaft 2 are isolated in operation, the rotation of isolating rotating shaft 1 or ground connection rotating shaft 2 can pass to three position actuators 6 by first gear mechanism 4, power transmission shaft 3, second gear mechanism 5, three position actuators 6 can be transformed into rotation action and can realize that the switch movable contact of three station vacuum interrupters is implemented in the operation of combined floodgate, separating brake, three stations of ground connection in straight-line mode at the rectilinear motion of three position conversions.
In the preferred version, described three position actuators 6 comprise cam 61, connecting rod 62; Described cam 61 is provided with chute, and described chute comprises the first segmental arc chute with different arc radius, the second segmental arc chute, the 3rd segmental arc chute that is communicated with successively; The upper end of described connecting rod 62 is provided with pivot pin 64, and described bearing pin 64 is movably connected in the described chute, and the lower end of described connecting rod 62 is provided with the isolating switch moving contact connecting portion for the insulated tension pole that connects isolating switch; The pivot of described cam 61 is connected with connecting axle 60.
In the concrete scheme, the two ends of described connecting axle 60 all by bearings on frame, frame comprises supporting bracket 71, the supporting bracket 72 that is arranged side by side, fixing by connecting rod 73 between supporting bracket 71 and the supporting bracket 72, the two ends of described connecting axle 60 respectively by bearings on supporting bracket 71, supporting bracket 72.
In the preferred version, in order to guarantee that when changing between each station the stationarity of isolating switch work is communicated with successively by the junction curve groove between the first segmental arc chute, the second segmental arc chute, the 3rd segmental arc chute.
In the preferred scheme, the radian of the described first segmental arc chute, the second segmental arc chute, the 3rd segmental arc chute is 120 °, equally for easy and simple to handle, safety, isolates rotating shaft 1, ground connection rotating shaft 2 Rotate 180s °, and connecting rod 62 changes the once-through operation stations.
When isolating rotating shaft 1 and clockwise rotate 180 °, by 120 ° of first gear mechanisms 4, power transmission shaft 3,61 rotations of second gear mechanism, 5 driving cams, the pivot pin on the connecting rod 62 will move upward from low side in chute, realize the close a floodgate conversion of separating brake of isolating switch; Clockwise rotate ground connection rotating shaft 2 Rotate 180s °, by 120 ° of first gear mechanisms 4, power transmission shaft 3,61 rotations of second gear mechanism, 5 driving cams, connecting rod 62 moves upward again, realizes that the isolating switch separating brake is to the conversion of ground connection.
Three position actuators 6 of this structure can realize accurately that the switch movable contact of three station vacuum interrupters is implemented in the operation of combined floodgate, separating brake, three stations of ground connection in straight-line mode.
In above-described embodiment, the radian of the first segmental arc chute on the cam 61, the second segmental arc chute, the 3rd segmental arc chute is 120 °, isolate rotating shaft 1, ground connection rotating shaft 2 Rotate 180s °, connecting rod 62 changes the once-through operation station, be appreciated that, the utility model is not limited thereto, by the gearratio of first gear mechanism 4, second gear mechanism 5 rationally is set, the radian of the first segmental arc chute, the second segmental arc chute, the 3rd segmental arc chute can be set arbitrarily and isolates rotating shaft 1, the ground connection rotating shaft 2 operations anglec of rotation once.
In the concrete scheme, described isolating switch moving contact connecting portion is connected with the insulated tension pole of isolating switch by pivot pin 63, as shown in Figure 4, the cam 61 both sides isolating switch moving contact connecting portion that can be symmetrical arranged two connecting rods, 62, two connecting rods 62 is connected with the insulated tension pole of isolating switch by pivot pin 63.
In the concrete scheme, described connecting rod 62 has three isolating switch moving contact connecting portions, be respectively applied to connect the insulated tension pole of three isolating switches, and three isolating switch moving contact connecting portions are in same horizontal level, to guarantee the synchronism of three isolator operations.
The above only is the description of the preferred implementation of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (8)
1. three-station operating mechanism, it is characterized in that, comprise the isolation rotating shaft, the ground connection rotating shaft, first gear mechanism, power transmission shaft, second gear mechanism, three position actuators, described isolation rotating shaft one end, one end of ground connection rotating shaft forms the isolated operation end respectively, the ground connection operating side, the other end of described isolation rotating shaft, the other end of ground connection rotating shaft, one end of power transmission shaft carries out transmission by described first gear drive, the other end of described power transmission shaft is connected with the driving gear center of described second gear drive, the driven gear center of described second gear drive is connected with three position actuators by connecting axle, and three position actuators have isolating switch moving contact connecting portion.
2. three-station operating mechanism according to claim 1 is characterized in that, described three position actuators comprise cam, connecting rod;
Described cam is provided with chute, and described chute comprises the first segmental arc chute with different arc radius, the second segmental arc chute, the 3rd segmental arc chute that is communicated with successively; The upper end of described connecting rod is provided with pivot pin, and described bearing pin is movably connected in the described chute, and the lower end of described connecting rod is provided with the isolating switch moving contact connecting portion for the insulated tension pole that connects isolating switch; The pivot of described cam is connected with described connecting axle.
3. three-station operating mechanism according to claim 2 is characterized in that, the radian of the described first segmental arc chute, the second segmental arc chute, the 3rd segmental arc chute is 120 °.
4. three-station operating mechanism according to claim 2 is characterized in that, the two ends of described connecting axle all by bearings on frame.
5. three-station operating mechanism according to claim 2 is characterized in that, described isolating switch moving contact connecting portion is connected with the insulated tension pole of isolating switch by pivot pin.
6. three-station operating mechanism according to claim 5, it is characterized in that, described connecting rod has three isolating switch moving contact connecting portions, is respectively applied to connect the insulated tension pole of three isolating switches, and three isolating switch moving contact connecting portions are in same horizontal level.
7. three-station operating mechanism according to claim 2 is characterized in that, is communicated with successively by the junction curve groove between the described first segmental arc chute, the second segmental arc chute, the 3rd segmental arc chute.
8. three-station operating mechanism according to claim 1, it is characterized in that, described first gear mechanism comprises first gear, second gear, the 3rd gear, the other end of the other end of described isolation rotating shaft, ground connection rotating shaft is connected with the pivot of described first gear, second gear respectively, one end of described power transmission shaft is connected with the pivot of described the 3rd gear, and described first gear, described second gear all mesh with described the 3rd gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728197 CN203134658U (en) | 2012-12-24 | 2012-12-24 | Three-position switch operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728197 CN203134658U (en) | 2012-12-24 | 2012-12-24 | Three-position switch operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134658U true CN203134658U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220728197 Withdrawn - After Issue CN203134658U (en) | 2012-12-24 | 2012-12-24 | Three-position switch operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203134658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177901A (en) * | 2012-12-24 | 2013-06-26 | 刘晓颖 | Three-position switch operating mechanism |
| CN106783360A (en) * | 2016-12-27 | 2017-05-31 | 北京合纵科技股份有限公司 | A kind of transmission device for being applied to disconnecting switch division |
-
2012
- 2012-12-24 CN CN 201220728197 patent/CN203134658U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177901A (en) * | 2012-12-24 | 2013-06-26 | 刘晓颖 | Three-position switch operating mechanism |
| CN103177901B (en) * | 2012-12-24 | 2015-12-09 | 宁波优维电力科技有限公司 | A kind of three-position switch operation mechanism |
| CN106783360A (en) * | 2016-12-27 | 2017-05-31 | 北京合纵科技股份有限公司 | A kind of transmission device for being applied to disconnecting switch division |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |