CN213303979U - Three-station load switch operating device - Google Patents
Three-station load switch operating device Download PDFInfo
- Publication number
- CN213303979U CN213303979U CN202022184905.2U CN202022184905U CN213303979U CN 213303979 U CN213303979 U CN 213303979U CN 202022184905 U CN202022184905 U CN 202022184905U CN 213303979 U CN213303979 U CN 213303979U
- Authority
- CN
- China
- Prior art keywords
- switch operating
- load switch
- drive mechanism
- cam
- shaft
- 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.)
- Active
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a three station load switch operating means, including drive mechanism, drive mechanism includes cam, connecting lever, guide bar, spring and locating part, the cam is installed on the connecting lever, the connecting lever is followed the guide bar motion pass through the spring with the locating part is connected, spring and guide bar are in move in the locating part, with what the load switch operating axis was connected is first drive mechanism, with what the earthing switch operating axis was connected is second drive mechanism, the load switch operating axis with the earthing switch operating axis all is connected with drive mechanism's cam, first drive mechanism passes through connecting device with second drive mechanism and is connected. The utility model provides a three-station load switch operating device, the commonality of parts is strong; when one station is operated at a switching-on position, the other station is necessarily in a self-locking state; the phenomenon of manual misoperation is well avoided.
Description
Technical Field
The utility model relates to a load switch operating means technical field is a three station load switch operating means particularly.
Background
The three-station load switch realizes the closing, opening and grounding states of the load switch by rotating the output shaft at three stations (a load switch closing position, a load switch opening position and a load switch connecting position);
the three-station load switch operating device is generally provided with a load switch operating shaft and a grounding switch operating shaft, the load switch operating shaft rotates between a power-on switching-on position and a power-off switching-off position, and the grounding switch operating shaft rotates back and forth between the grounding switching-on position and the grounding switching-off position. When the grounding shaft is at the grounding opening position, the load switch operating shaft rotates back and forth between the power-on opening position and the power-off opening position to control the output shaft to rotate at the load switch opening position and the load switch opening position (namely closing and opening); when the load switch operating shaft is at the power-off opening position, the grounding shaft is switched from the grounding opening position to the grounding closing position, and the output shaft can be controlled to be switched to the load switch grounding position (namely the load switch is grounded).
The existing three-station load switch operating device is complex in structure, poor in stability and low in part universality, and can not ensure that when one station is in a switching-on position, the other station is necessarily in a self-locking state, so that the occurrence of misoperation is easy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art's not enough, provide a three station load switch operating means, realize the switch respectively through two identical transmission and close the branch.
In order to realize the above purpose, a three-station load switch operating device is designed to include a transmission mechanism, the transmission mechanism includes a cam, a crank arm, a guide rod, a spring and a limiting part, the cam is installed on the crank arm, the crank arm is followed the guide rod moves through the spring and is connected with the limiting part, the spring and the guide rod move in the limiting part, and the load switch operating shaft is connected with a first transmission mechanism and connected with a grounding switch operating shaft is connected with a second transmission mechanism, the load switch operating shaft and the grounding switch operating shaft are connected with the cam of the transmission mechanism, the first transmission mechanism is connected with the second transmission mechanism through a connecting device, and limiting pins are arranged below the connecting device and at the cam of the transmission mechanism.
The utility model discloses still have following preferred technical scheme:
furthermore, an output shaft is arranged on the connecting device.
Furthermore, the load switch connecting shaft and the grounding switch operating shaft are both provided with pins for driving the crank arm to rotate.
Further, the transmission mechanism is connected with the connecting device through a connecting plate.
Further, when the first transmission device enables the load switch operating shaft to be in a switching-off state, the second transmission device enables the grounding switch operating shaft to be in a switching-on state through a connecting device; when the first transmission device enables the load switch operating shaft to be in a closing state, the second transmission device enables the grounding switch operating shaft to be in a breaking state through the connecting device.
Furthermore, the output shaft rotates in a reciprocating manner at a load switch closing position, a load switch opening position and a load switch connecting position in sequence.
Beneficial effects of the utility model
The utility model relates to a three station load switch operating means, the device mainly have the three function in separating brake position, earthing position, closing position, and its advantage includes: the opening and closing operation of the mechanism is realized by compressing the spring to the highest point position and releasing the spring. The load switch and the grounding switch are combined and separated by two identical transmission devices which respectively drive two identical springs to respectively realize the combination and separation of the switches, and the parts of the mechanism have strong universality; when one station is operated at a switching-on position, the other station is necessarily in a self-locking state; the phenomenon of manual misoperation is well avoided.
Drawings
Fig. 1 shows an exemplary structural diagram of the present invention;
fig. 2 is a schematic structural view illustrating a connection operation shaft according to the present invention;
in the figure: 1. a base plate; 21. a cam; 22. a crank arm; 23. a guide bar; 24. a spring; 25. a limiting member; 26. a spacing pin; 27. connecting plates; 3. a load switch operating shaft; 4. a grounding switch operating shaft 5, a connecting device; 51. a spacing pin; 52. and a hexagonal output shaft.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1 and 2, the bottom of the three-position load switch operating device of the present invention is provided with a bottom plate 1, the bottom plate 1 is provided with a transmission mechanism 2, the transmission mechanism includes a cam 21, a crank arm 22, a guide rod 23, a spring 24 and a limiting part 25, the cam 21 is installed on the crank arm 22, the crank arm 22 moves along the guide rod 23 and is connected with the limiting part 25 through the spring 24, the spring 24 and the guide rod 23 are still do good movement at the limiting part 25, the first transmission mechanism is connected with the load switch operating shaft 3, the second transmission mechanism is connected with the ground switch operating shaft 4, the load switch operating shaft 3 and the ground switch operating shaft 4 are both connected with the cam 21 of the transmission mechanism, the first transmission mechanism and the second transmission mechanism are connected through a connecting device 5, the lower part of the connecting device 5 and the cam 21 of the transmission mechanism are both provided with a limiting pin, the limiting pin under the connecting device 5 is 51, and the limiting device at the cam of the rotating structure is 26.
The connecting device 5 is provided with a hexagonal output shaft hole 52 for connecting an output shaft.
Referring to fig. 2, the load switch connecting shaft and the grounding switch operating shaft are both provided with pins for driving the crank arm to rotate. The transmission mechanism 2 is connected with the connecting device 5 through a connecting plate 27.
The specific working principle of the present invention is further explained below:
the center hole of the cam 21 is axially connected with the grounding switch operating shaft 4, the upper surface and the lower surface of the hole at the other end of the cam 21 are connected with the connecting plate 27 through a shaft pin, the hole at the other end of the connecting plate 27 is connected with the connecting device 5 through the shaft pin, the upper connecting plate and the lower connecting plate are riveted through a rivet, and an output shaft hole in the connecting device 5 is axially connected with the hexagonal output shaft 52; similarly, the same connection mode is adopted on one side of the load switch operating shaft 3 and one side of the grounding switch operating shaft; both ends rotate through a hexagonal output shaft 3; when the grounding switch performs closing operation, the grounding switch operating shaft is rotated clockwise to drive the crank arm 22 to rotate clockwise, the crank arm 22 and the guide rod 23 rotate, the spring 24 and the guide rod 23 move on the limiting part 25, when the spring 24 is extruded to the lowest point, the spring is released after passing a dead point, the crank arm 22 rotates clockwise to drive the cam 21 and the connecting plate 27 to push the connecting device 5 to drive the hexagonal output shaft 52 to rotate anticlockwise, the connecting device 5 is close to the grounding side to realize limiting through the limiting pin 1, and the grounding switch is enabled to perform closing operation; meanwhile, the connecting device 5 drives the connecting plate 27 on one side of the load switch and the cam 21 to push the crank arm 22 on the side of the load switch, and the crank arm is limited by the limiting pin 26.
When the grounding switch is operated to open the brake, the operating shaft 4 at the side of the grounding switch is rotated anticlockwise to realize the opening of the grounding switch, and meanwhile, the rotating inertia of the switch opening contact is limited by the side of the operating shaft of the load switch through the damping of the extrusion spring, so that the moving contact is prevented from being opened and passing the brake.
Similarly, the on-off operation of the load switch can also be realized according to the on-off operation of the grounding switch.
The above, only for the concrete implementation of this utility model, but the scope of protection of this utility model is not limited to this, and any person skilled in this technical field is in the technical scope of this utility model discloses, according to the technical scheme of this utility model and novel design add in equal replacement or change, all should be covered in the scope of protection of this utility model.
Claims (6)
1. The utility model provides a three station load switch operating means, its characterized in that, includes drive mechanism, drive mechanism includes cam, connecting lever, guide bar, spring and locating part, the cam is installed on the connecting lever, the connecting lever is followed the guide bar motion pass through the spring with the locating part is connected, spring and guide bar are in motion in the locating part, be the first drive mechanism with the connection of load switch operating axis, with the connection of earthing switch operating axis be the second drive mechanism, the load switch operating axis with the earthing switch operating axis all is connected with drive mechanism's cam, first drive mechanism passes through connecting device with the second drive mechanism and is connected, connecting device below and drive mechanism's cam department all are equipped with the spacer pin.
2. A three-position load switch operating device according to claim 1, wherein the connecting means is provided with an output shaft.
3. The three-position load switch operating device as claimed in claim 1, wherein the load switch connecting shaft and the grounding switch operating shaft are provided with pins for driving the crank arm to rotate.
4. A three position load switch operating apparatus as claimed in claim 1, wherein said drive means is connected to said connecting means by a web.
5. The three-position load switch operating device according to claim 1, wherein the second transmission mechanism makes the grounding switch operating shaft in a closing state through the connecting device when the first transmission mechanism makes the load switch operating shaft in an opening state; when the first transmission mechanism enables the load switch operating shaft to be in a closing state, the second transmission mechanism enables the grounding switch operating shaft to be in a breaking state through a connecting device.
6. A three-position load switch operating device according to claim 2, wherein the output shaft is reciprocally rotated in the load switch on position, the load switch off position and the load switch on position in this order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022184905.2U CN213303979U (en) | 2020-09-29 | 2020-09-29 | Three-station load switch operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022184905.2U CN213303979U (en) | 2020-09-29 | 2020-09-29 | Three-station load switch operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213303979U true CN213303979U (en) | 2021-05-28 |
Family
ID=76011516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022184905.2U Active CN213303979U (en) | 2020-09-29 | 2020-09-29 | Three-station load switch operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213303979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300286A (en) * | 2021-11-22 | 2022-04-08 | 双杰电气合肥有限公司 | Switch transmission device |
-
2020
- 2020-09-29 CN CN202022184905.2U patent/CN213303979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300286A (en) * | 2021-11-22 | 2022-04-08 | 双杰电气合肥有限公司 | Switch transmission device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100545971C (en) | Automatic transfer switching electric appliance | |
| CN213303979U (en) | Three-station load switch operating device | |
| CN212648164U (en) | Novel permanent magnet operating mechanism and vacuum circuit breaker | |
| CN106571253A (en) | Spring drive device for three-position switching operating mechanism | |
| CN111477492A (en) | Load switch three-station mechanism with brake separating tripping function | |
| CN101866762B (en) | Rack-and-pinion type transmission mechanism of automatic changeover switch device | |
| CN214848453U (en) | Operating mechanism of switch | |
| CN212516998U (en) | Direct control device for contact net isolating switch | |
| CN110993383B (en) | Three-station operating device for load switch | |
| CN208352154U (en) | A kind of PC grades of double power supply automatic transfer switch | |
| CN202839339U (en) | High power miniaturized spring operating mechanism suitable for high or ultrahigh voltage breaker | |
| CN205542553U (en) | Isolating switch | |
| CN201717184U (en) | Vacuum arc extinction device for ultrahigh voltage isolation | |
| CN107170624B (en) | A kind of swing type indoor hv earthing switch | |
| CN205050725U (en) | Spring drive device of three -workers' bit switch operating mechanism | |
| CN101976616B (en) | Breaker control mechanism | |
| CN215220627U (en) | Locking system of switch operating mechanism | |
| CN215680586U (en) | Driving system of switch operating mechanism | |
| CN101834088B (en) | Vacuum arc-extinguishing device for ultrahigh-voltage isolation | |
| CN201956215U (en) | Automatic dual-power changeover switch | |
| CN2221826Y (en) | Brake-opening air buffer of vacuum circuit breaker | |
| CN109216060A (en) | A kind of PC grades of double power supply automatic transfer switch | |
| CN207947202U (en) | A kind of anti-lost knife system of high voltage isolator | |
| CN112951625A (en) | Compact modular switch operating mechanism | |
| CN207611714U (en) | Anti-mistaken interlocking device used for high-voltage switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |