CN203690140U - Operating device for grounding switch of 126 kV gas-insulated metal-enclosed switchgear - Google Patents
Operating device for grounding switch of 126 kV gas-insulated metal-enclosed switchgear Download PDFInfo
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- CN203690140U CN203690140U CN201320820992.3U CN201320820992U CN203690140U CN 203690140 U CN203690140 U CN 203690140U CN 201320820992 U CN201320820992 U CN 201320820992U CN 203690140 U CN203690140 U CN 203690140U
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- switch
- driven gear
- operating device
- driving gear
- clutch
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- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
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Abstract
The utility model relates to the technical field of gas-insulated metal-enclosed switchgears and particularly provides an operating device for the grounding switch of a 126 kV gas-insulated metal-enclosed switchgear. The operating device is simple and compact in structure, wherein a first driving gear, a first driven gear, a screw rod, a nut, a driving plate, a second driving gear, a second driven gear and an output shaft are driven by a motor to run so as to realize the switch-on and switch-off operation of the grounding switch. The mechanical spacing effect on the switch is realized by means of a clutch. When the power supply of a motor cannot be effectively cut off due to the failure of a stroke switch, the clutch is effectively separated from the first driven gear to prevent the operating mechanism from being damaged. Therefore, the reliability of the grounding switch is improved, and the safety of the maintenance personnel is effectively protected. During maintenance, the entire device can be replaced and overhauled, and the components of the grounding switch can also be replaced. In this way, the maintenance is facilitated. The inner side of a sealing cover is provided with a sealing strip, so that the sealing effect is improved. As a result, the device can be better adapted to the outdoor operation.
Description
Technical field
The utility model relates to Cubicle Gas-Insulated Switchgear technical field, and a kind of specifically have stroke protection, an effective 126kV Cubicle Gas-Insulated Switchgear grounding switch operating device of outdoor water-proof.
Background technology
Cubicle Gas-Insulated Switchgear is adopt gas in whole or in part and do not adopt air under the atmospheric pressure metal enclosed switchgear as dielectric.It is made up of circuit breaker, isolating switch, earthed switch, instrument transformer, lightning arrester, bus, connector and outlet terminal etc., these equipment or parts are all enclosed in the shell of metal ground connection, be filled with the SF6(sulphur hexafluoride of insulation property and arc extinction performance excellence therein) gas as insulation and arc-extinguishing medium, therefore also claim SF6 fully closed combined electric unit.Earthed switch be when switchgear be the personal safety that guarantees maintainer in when maintenance, for the mechanical grounding device of ground connection.In the time that electric equipment is overhauled, the earthed switch that need to close, to prevent that maintainer from sending a telegram here suddenly in the time that power failure equipments is carried out upkeep operation, guarantees maintainer's personal safety.
126kV Cubicle Gas-Insulated Switchgear grounding switch operating device adopts drive structure of gear worm more; this type of mechanism's assembly difficulty is high; be difficult to realize stroke protection; and earthed switch is closing a floodgate, when sub-switching operation; the activity duration needing is long, has the problems such as complex structure, volume is large, maintenance is inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of Cubicle Gas-Insulated Switchgear grounding switch operating device, is difficult to realize stroke protection, installs the problem that assembly difficulty is large, the combined floodgate separating brake activity duration is long to solve existing grounding switch operating device.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of 126kV Cubicle Gas-Insulated Switchgear grounding switch operating device, it comprises housing, capping, industrial connector, output shaft, motor, auxiliary switch, described motor is connected with the first driving gear, described the first driving gear is meshed with the first driven gear, the below of described the first driven gear is provided with clutch, the bottom of described clutch is connected with leading screw, described leading screw is provided with nut, described nut is connected with one end of auxiliary switch power transmission shaft by bearing pin, the other end of described auxiliary switch power transmission shaft is connected with described auxiliary switch, one side of described clutch is connected with travel switch, described travel switch is provided with caging bolt, described travel switch is connected with the mains switch of described motor, described output shaft is connected with the second driven gear by flat key, described the second driven gear is meshed with the second driving gear, described the second driving gear is connected with drive plate by axle, described drive plate is provided with groove.
As further improvement of the utility model, described the second driven gear is connected with a deciliter one end for indication power transmission shaft, and the other end of described deciliter indication power transmission shaft is connected with a deciliter indicating device.
Further improve as of the present utility model, described housing is provided with manual cover plate, and described manual cover plate is connected with manual interlock switch, and described manual interlock switch is connected with the power supply of described motor.
Further improve as of the present utility model, the outside of described clutch, leading screw, nut, drive plate, the second driving gear, the second driven gear is provided with protective plate.
Further improve as of the present utility model, described housing and described capping are fixed by snap lock, and the inner side of described capping is provided with sealing strip.
The utility model is simple in structure, compact, by driven by motor the first driving gear, thereby drive the first driven gear, screw mandrel, nut, drive plate, the second driving gear, the second driven gear, output shaft action, complete combined floodgate, the separating brake work of earthed switch.In the utility model, use clutch configuration; split to close and carried out mechanical position limitation; when travel switch breaks down can not effectively cut off motor power time; clutch can effectively be thrown off the first driven gear; avoid the damage of operating means; improve the reliability of earthed switch, effectively protected maintainer's work safety.The utility model can accurately be assemblied on earthed switch by power transmission shaft, when maintenance, both can, by the maintenance of device integral replacing, also can on earthed switch, change parts, and maintenance is convenient.The utility model adds protective plate to critical piece, in capping inner side, sealing strip is set, and makes good sealing effect, can be applicable to better outwork.
Accompanying drawing explanation
Fig. 1 is surface structure schematic diagram of the present utility model;
Fig. 2 is end view of the present utility model in Fig. 1;
Fig. 3 is the structural representation that in Fig. 1, the utility model removes capping;
Fig. 4 is the structural representation that in Fig. 3, the utility model removes protective plate;
Fig. 5 is partial sectional view of the present utility model in Fig. 4.
In figure: 1, housing, 2, capping, 3, sealing strip, 4, snap lock, 5, industrial connector, 6, output shaft, 7, deciliter indicating device, 8, deciliter indication power transmission shaft, 9, manually cover plate, 10, manually interlock switch, 11, protective plate, 12, motor, 13, clutch, 14, the first driven gear, 15, the first driving gear, 16, leading screw, 17, auxiliary switch, 18, nut, 19, bearing pin, 20, drive plate, 21, the second driving gear, 22, the second driven gear, 23, auxiliary switch power transmission shaft, 24, contactor, 25, travel switch, 26, flat key, 27, axle, 28, caging bolt.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of 126kV Cubicle Gas-Insulated Switchgear grounding switch operating device as shown in Figures 1 to 5, it comprises housing 1, capping 2, industrial connector 5, output shaft 6, motor 12, auxiliary switch 17, motor 12 is connected with the first driving gear 15, the first driving gear 15 is meshed with the first driven gear 14, the below of the first driven gear 14 is provided with clutch 13, the bottom of clutch 13 is connected with leading screw 16, leading screw 16 is provided with nut 18, nut 18 is connected with one end of auxiliary switch power transmission shaft 23 by bearing pin 19, the other end of auxiliary switch power transmission shaft 23 is connected with auxiliary switch 17, one side of clutch 3 is connected with travel switch 25, travel switch 25 is provided with caging bolt 29, travel switch 25 is connected with the mains switch of motor 12, output shaft 6 is connected with the second driven gear 22 by flat key 26, the second driven gear 22 is meshed with the second driving gear 21, the second driving gear 21 is connected with drive plate 20 by axle 27, drive plate 20 is provided with groove.
The second driven gear 22 is connected with a deciliter one end for indication power transmission shaft 8, and the other end of deciliter indication power transmission shaft 8 is connected with deciliter indicating device 7.
Housing 1 is provided with manual cover plate 9, and manually cover plate 9 is connected with interlock switch 10, and manually interlock switch 10 is connected with the power supply of motor 12.
The outside of clutch 3, leading screw 16, nut 18, drive plate 20, the second driving gear 21, the second driven gear 22 is provided with protective plate 11.
Housing 1 is fixing by snap lock 4 with capping 2, and the inner side of capping 2 is provided with sealing strip 3.
The course of work of this device is:
1, making process: motor 12 is switched on, motor 12 drives the first driving gear 15 to rotate, the first driving gear 15 is by the first driven gear 14 engaging with it, clutch 13 drives leading screw 16 to rotate, leading screw 16 rotarily drives nut 18 to start to move upward, nut 18 drives drive plate 20 to rotate counterclockwise by the bearing pin 19 on it, drive plate 20 drives the second driving gear 21 to rotate by the axle 27 on it, the second driving gear 21 drives the second driven gear 22 to rotate, the second driven gear 22 drives output shaft 6 to rotate by flat key 26, output shaft 6 drives earthed switch to carry out feed motion.After earthed switch combined floodgate puts in place, bearing pin 19 departs from drive plate 20, and switch stops action, and nut 18 continues to move upward, until nut 18 touches travel switch 25, travel switch 25 moves, and cuts off the power supply of motor 12, and feed motion completes; Bearing pin 19 drives auxiliary switch 17 to move by auxiliary switch power transmission shaft 23 simultaneously, coordinates contactor 24 to complete the conversion of the rotating switching state signal of motor 12.
2, separating brake process: motor 12 is switched on, motor 12 drives the first driving gear 15 to rotate, the first driving gear 15 is by the first driven gear 14 engaging with it, clutch 13 drives leading screw 16 to rotate, now, leading screw 16 rotarily drives nut 18 to start to move downward, nut 18 promotes drive plate 20 by the bearing pin 19 on it and clockwise rotates, drive plate 20 drives the second driving gear 21 to rotate by the axle 27 on it, the second driving gear 21 drives the second driven gear 22 to rotate, the second driven gear 22 drives output shaft 6 to rotate by flat key 26, output shaft 6 drives earthed switch to carry out separating brake action.After grounding switch tripping puts in place, bearing pin 19 departs from drive plate 20, and switch stops action, and nut 18 continues to move downward, until nut 18 touches travel switch 25, travel switch 25 moves, and cuts off the power supply of motor 12, and separating brake has moved; Bearing pin 19 drives auxiliary switch 17 to move by auxiliary switch power transmission shaft 23 simultaneously, coordinates contactor 24 to complete the conversion of the rotating switching state signal of motor 12.
The effect of clutch: in point (closing) lock operating process, when nut 18 touches travel switch 25, and travel switch 25 is can not cut off the power supply of motor 12 due to fault time, nut 18 will continue downwards (on) motion, when network nut 18 touches caging bolt 28, promote clutch 13 downwards (on) motion, make clutch 13 throw off the first driven pulley, leading screw 16 stops operating, thereby has avoided nut 18 to move to the extreme position of leading screw 16 and caused the damage of this device.Now motor 12 only drives the first driving gear 15, the first driven gear 14 to dally, and opens manual cover plate 9, and manually interlock switch 10 cuts off motor 12 power supplys.
Claims (5)
1. a 126kV Cubicle Gas-Insulated Switchgear grounding switch operating device, it comprises housing (1), capping (2), industrial connector (5), output shaft (6), motor (12), auxiliary switch (17), it is characterized in that: described motor (12) is connected with the first driving gear (15), described the first driving gear (15) is meshed with the first driven gear (14), the below of described the first driven gear (14) is provided with clutch (13), the bottom of described clutch (13) is connected with leading screw (16), described leading screw (16) is provided with nut (18), described nut (18) is connected with one end of auxiliary switch power transmission shaft (23) by bearing pin (19), the other end of described auxiliary switch power transmission shaft (23) is connected with described auxiliary switch (17), one side of described clutch (3) is connected with travel switch (25), described travel switch (25) is provided with caging bolt (29), described travel switch (25) is connected with the mains switch of described motor (12), described output shaft (6) is connected with the second driven gear (22) by flat key (26), described the second driven gear (22) is meshed with the second driving gear (21), described the second driving gear (21) is connected with drive plate (20) by axle (27), described drive plate (20) is provided with groove.
2. 126kV Cubicle Gas-Insulated Switchgear grounding switch operating device according to claim 1, it is characterized in that: described the second driven gear (22) is connected with a deciliter one end for indication power transmission shaft (8), and the other end of described deciliter indication power transmission shaft (8) is connected with a deciliter indicating device (7).
3. 126kV Cubicle Gas-Insulated Switchgear grounding switch operating device according to claim 1, it is characterized in that: described housing (1) is provided with manual cover plate (9), described manual cover plate (9) is connected with manual interlock switch (10), and described manual interlock switch (10) is connected with the power supply of described motor (12).
4. 126kV Cubicle Gas-Insulated Switchgear grounding switch operating device according to claim 1, is characterized in that: the outside of described clutch (3), leading screw (16), nut (18), drive plate (20), the second driving gear (21), the second driven gear (22) is provided with protective plate (11).
5. 126kV Cubicle Gas-Insulated Switchgear grounding switch operating device according to claim 1, it is characterized in that: described housing (1) is fixing by snap lock (4) with described capping (2), and the inner side of described capping (2) is provided with sealing strip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320820992.3U CN203690140U (en) | 2013-12-15 | 2013-12-15 | Operating device for grounding switch of 126 kV gas-insulated metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320820992.3U CN203690140U (en) | 2013-12-15 | 2013-12-15 | Operating device for grounding switch of 126 kV gas-insulated metal-enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690140U true CN203690140U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320820992.3U Expired - Fee Related CN203690140U (en) | 2013-12-15 | 2013-12-15 | Operating device for grounding switch of 126 kV gas-insulated metal-enclosed switchgear |
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| Country | Link |
|---|---|
| CN (1) | CN203690140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106611677A (en) * | 2015-10-26 | 2017-05-03 | 上海思源高压开关有限公司 | A drive structure for an isolating switch for a 126kV SF[6] gas insulated switchgear (GIS) |
-
2013
- 2013-12-15 CN CN201320820992.3U patent/CN203690140U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106611677A (en) * | 2015-10-26 | 2017-05-03 | 上海思源高压开关有限公司 | A drive structure for an isolating switch for a 126kV SF[6] gas insulated switchgear (GIS) |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20201215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |