CN2906865Y - Electric actuating mechanism for HV isolation and earthed switch - Google Patents
Electric actuating mechanism for HV isolation and earthed switch Download PDFInfo
- Publication number
- CN2906865Y CN2906865Y CN 200620083268 CN200620083268U CN2906865Y CN 2906865 Y CN2906865 Y CN 2906865Y CN 200620083268 CN200620083268 CN 200620083268 CN 200620083268 U CN200620083268 U CN 200620083268U CN 2906865 Y CN2906865 Y CN 2906865Y
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- speed motor
- slow
- switch
- fixed head
- shaft coupling
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- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to an electric operation mechanism for the high-voltage isolation grounding switch, comprising a low speed motor (1), a driving device, a stop device, and an electrical control device, wherein, the driving device is connected with the low speed motor (1); the stop device is fixed on the low speed motor (1) and connected with the driving device; the electrical control device is connected with the travel switch (8) of the low speed motor (1) and the stop device; the driving device is connected with the transmission device of the high-voltage isolation grounding switch through a transmission shaft (4); the opening and the closing of the isolation grounding switches is realized by the low speed motor (1) through the transmission shaft (4); the rotation angle of the export axle (6) is controlled and limited by the stop device. The utility model has the advantages of high transmission efficiency, stable and reliable motion, simple and compact structure, small cubage, low equipment cost, beautiful appearance of the isolation grounding switches, reduction of the impact of the mechanical inertia, and improvement of service life.
Description
Technical field
The utility model relates to a kind of high pressure isolation, earthed switch electric operating mechanism.
Background technology
In recent years, China's power construction develops rapidly, isolate, the demand of electric equipments such as earthed switch increases fast, traditional isolation, earthed switch is generally motor by gear reduction or worm gear with electric operating mechanism, output actuating action after endless screw system slows down, need with custom-designed steel or aluminium brackets as gear, worm and gear, the carrier of parts such as motor, and gear, worm and gear, parts such as output shaft need be used complicated processing technology and expensive nonferrous materials, exist bulky, appearance is poor, transmission link is many, functional reliability is poor, the cost height, shortcomings such as serious waste of resources.These factors are restricting that high pressure is isolated, flexibly and efficent use of resources the direction that cuts down the consumption of energy develops earthed switch to reliable, attractive in appearance, small and exquisite, bring to a certain degree potential safety hazard to power consumer simultaneously.
Summary of the invention
The purpose of this utility model is that a kind of novel high pressure is isolated, the earthed switch electric operating mechanism in order to provide, change traditional design, with the isolation that improves power transmission and transforming equipment, the fail safe and the reliability of earthed switch, save equipment cost, cut down the consumption of energy, beautify the image appearance of high pressure isolation, earthed switch, thereby improve the whole synthesis benefit of product.
For achieving the above object, the technical scheme that the utility model is taked is: it includes slow-speed motor, drive unit, stop bit device, electrical control gear etc.Drive unit connects with slow-speed motor, the stop bit device is fixed on the slow-speed motor and with drive unit by its fixed head and connects, electrical control gear connects with the travel switch of slow-speed motor, stop bit device, and the power transmission shaft of drive unit is isolated with high pressure, the transmission device of earthed switch connects.
The utility model drives drive unit by the forward and backward of electrical control gear realization slow-speed motor by slow-speed motor, and drive unit is by its power transmission shaft output actuating action, the isolation of realization high pressure, the branch of earthed switch, closing operation.
Drive unit includes shaft coupling, power transmission shaft etc.The output shaft of slow-speed motor connects by shaft coupling and power transmission shaft are coaxial.
The stop bit device includes fixed head, travel switch, adjustment screw, locating part etc., fixed head is provided with the hole of band seam, fixed head is by its seam and slow-speed motor is fixedly connected and in the outside of shaft coupling, shaft coupling is provided with the projection that switches travel switch, projection on the shaft coupling can rotate in the hole of fixed head, projection is provided with the auxiliary switch transmission crank arm, the auxiliary switch transmission crank arm connects with the auxiliary switch drive link, and travel switch is contained in by adjustment screw in the hole of fixed head, and near the projection of shaft coupling.In the hole of fixed head, be fixed with locating part.
When slow-speed motor drives the shaft coupling rotation, projection on the shaft coupling switches travel switch, travel switch passes to electrical control gear with switching signal, electrical control gear sends the switching electricity and the forward and backward instruction of motor, thereby determine isolations, the branch of earthed switch, closing position, the output shaft corner of slow-speed motor and the bump position of shaft coupling are that the corner (stroke) according to isolation, earthed switch designs.Adjustment screw is used for finely tuning the position of travel switch, among a small circle the output corner of interior adjusting mechanism.Damage for preventing electric control loop; slow-speed motor can not cut off the power supply and cause isolation; the branch of earthed switch; closed a floodgate the position accident; designed the stopping means of forming by locating part and auxiliary switch transmission crank arm especially; mechanical position limitation as mechanism; when slow-speed motor can not cut off the power supply; locating part makes the motor stall by the rotation that limits the auxiliary switch transmission crank arm; during the slow-speed motor overcurrent; motor overcurrent protection device in the electrical control gear starts; cut off the power supply of slow-speed motor; thereby prevented switch the closed a floodgate position and the generation of slow-speed motor overcurrent accident, its position according to the auxiliary switch transmission crank arm in isolation; the earthed switch branch; position during "on" position is determined.
Because the utility model has adopted slow-speed motor to drive power transmission shaft by shaft coupling, drive isolation, earthed switch realization branch, close a floodgate by power transmission shaft, and be provided with the stop bit device, control output shaft corner with restrictions motor, drive disk assembly and transmission link are significantly reduced, transmission efficiency improves, and action is stable, reliable; Simple in structure, compact, equipment cost reduces, and resource utilization improves; The application of slow-speed motor is dwindled the volume of operating mechanism significantly, and the good looking appearance degree of isolation, earthed switch is improved, and the machinery inertial impact of mechanism is reduced, and has improved the useful life of operating mechanism.Have better comprehensive performance, will make contribution energetically for the development of the electric utility of China.
Description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the utility model electrical control gear circuit diagram.
Embodiment
Accompanying drawing is an embodiment of the present utility model, includes slow-speed motor 1, drive unit, stop bit device, electrical control gear etc.Drive unit includes shaft coupling 3, power transmission shaft 4 etc.The output shaft 6 of slow-speed motor 1 is by shaft coupling 3 and 4 coaxial connections of power transmission shaft.The stop bit device includes fixed head 2, travel switch 8, adjustment screw 9, locating part 10 etc.Fixed head 2 is provided with the hole of band seam, fixed head 2 is fixedly connected by its seam and slow-speed motor 1 and in the outside of shaft coupling 3, shaft coupling 3 is provided with the projection 7 that switches travel switch 8, projection 7 on the shaft coupling 3 can rotate in the hole of fixed head 2, projection 7 is provided with auxiliary switch transmission crank arm 11, auxiliary switch transmission crank arm 11 connects with auxiliary switch drive link 5, and travel switch 8 is contained in by adjustment screw 9 in the hole of fixed head 2, and near the projection 7 of shaft coupling 3.In the hole of fixed head 2, be fixed with locating part 10.Be provided with the current foldback circuit, relay etc. (its circuit diagram is seen accompanying drawing 3) of slow-speed motor 1 in the electrical control gear.
When slow-speed motor 1 drives shaft coupling 3 rotations, projection 7 on the shaft coupling 3 switches travel switch 8, travel switch 8 passes to electrical control gear with switching signal, electrical control gear sends the switching electricity and the forward and backward instruction of slow-speed motor 1, thereby realizes isolation, the branch of earthed switch, combined floodgate.When slow-speed motor 1 can not cut off the power supply; locating part 10 makes slow-speed motor 1 stall by the rotation that limits auxiliary switch transmission crank arm 11; during slow-speed motor 1 overcurrent; motor overcurrent protection device in the electrical control gear starts; cut off the power supply of slow-speed motor 1, thereby prevented that switch from closing a floodgate and the generation of slow-speed motor 1 overcurrent accident.
The utility model is realized the forward and backward of slow-speed motor 1 by electrical control gear; drive drive unit by slow-speed motor 1; drive unit is by its power transmission shaft 4 output actuating actions; and by the 7 switching travel switches 8 of the projection on the shaft coupling 3; realize high pressure isolation, the branch of earthed switch, closing operation, undertaken spacing and protection by the stop bit device.
Therefore the utlity model has drive disk assembly and transmission link significantly reduces, transmission efficiency improves, and action is stable, reliable; Simple in structure, compact, equipment cost reduces, and resource utilization improves; The volume of low speed operating mechanism is little, and the good looking appearance degree of isolation, earthed switch is improved, and the machinery inertial of mechanism impacts and reduces, and has improved the characteristics such as useful life of operating mechanism.Have better comprehensive performance, will make contribution energetically for the development of the electric utility of China.
Claims (3)
1, a kind of high pressure isolation, earthed switch electric operating mechanism, it is characterized in that including slow-speed motor (1), drive unit, stop bit device, electrical control gear, drive unit connects with slow-speed motor (1), the stop bit device is fixed on slow-speed motor (1) by its fixed head (2) and upward and with drive unit connects, electrical control gear connects with the travel switch (8) of slow-speed motor (1), stop bit device, and drive unit connects by the transmission device of its power transmission shaft (4) with high pressure isolation, earthed switch.
2, high pressure isolation according to claim 1, earthed switch electric operating mechanism, it is characterized in that described drive unit includes shaft coupling (3), power transmission shaft (4), the output shaft (6) of slow-speed motor (1) is by shaft coupling (3) and coaxial connection of power transmission shaft (4).
3, high pressure according to claim 1 is isolated, the earthed switch electric operating mechanism, it is characterized in that described stop bit device includes fixed head (2), travel switch (8), adjustment screw (9), locating part (10), fixed head (2) is provided with the hole of band seam, fixed head (2) is fixedly connected by its seam and slow-speed motor (1), and in the outside of shaft coupling (3), shaft coupling (3) is provided with and switches travel switch (8 projection (7), projection (7) on the shaft coupling (3) can rotate in the hole of fixed head (2), projection (7) is provided with auxiliary switch transmission crank arm (11), auxiliary switch transmission crank arm (11) connects with auxiliary switch drive link (5), travel switch (8) is contained in the hole of fixed head (2) by adjustment screw (9), and the projection (7) of close shaft coupling (3), in the hole of fixed head (2), be fixed with locating part (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620083268 CN2906865Y (en) | 2006-04-14 | 2006-04-14 | Electric actuating mechanism for HV isolation and earthed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620083268 CN2906865Y (en) | 2006-04-14 | 2006-04-14 | Electric actuating mechanism for HV isolation and earthed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2906865Y true CN2906865Y (en) | 2007-05-30 |
Family
ID=38115508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620083268 Expired - Fee Related CN2906865Y (en) | 2006-04-14 | 2006-04-14 | Electric actuating mechanism for HV isolation and earthed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2906865Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211822A (en) * | 2019-04-25 | 2019-09-06 | 河南平高电气股份有限公司 | Electric switch operating mechanism and electric switch |
| CN110677002A (en) * | 2019-09-29 | 2020-01-10 | 兰州万里航空机电有限责任公司 | Rotary actuator applying electronic reversing |
-
2006
- 2006-04-14 CN CN 200620083268 patent/CN2906865Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211822A (en) * | 2019-04-25 | 2019-09-06 | 河南平高电气股份有限公司 | Electric switch operating mechanism and electric switch |
| CN110677002A (en) * | 2019-09-29 | 2020-01-10 | 兰州万里航空机电有限责任公司 | Rotary actuator applying electronic reversing |
| CN110677002B (en) * | 2019-09-29 | 2021-04-27 | 兰州万里航空机电有限责任公司 | Rotary actuator applying electronic reversing |
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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: 20070530 Termination date: 20110414 |