CN203250679U - Three-position switch electric operating mechanism for GIS - Google Patents
Three-position switch electric operating mechanism for GIS Download PDFInfo
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- CN203250679U CN203250679U CN 201320311257 CN201320311257U CN203250679U CN 203250679 U CN203250679 U CN 203250679U CN 201320311257 CN201320311257 CN 201320311257 CN 201320311257 U CN201320311257 U CN 201320311257U CN 203250679 U CN203250679 U CN 203250679U
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Abstract
The utility model discloses a three-position switch electric operating mechanism for GIS, and solves a problem that opening and closing of a disconnecting switch and an earthing switch cannot be carried out at right positions due to a brake cable driven output instruction. The electric operating mechanism comprises a driving mechanism, a blocking mechanism and an indicating mechanism provided with indicating covers. Technical points for the electric operating mechanism are that: the blocking mechanism comprises a first sprocket driven by the driving mechanism, a first bevel gear arranged coaxial to the first sprocket, a rotary shaft engaged with the first bevel gear, a second bevel gear perpendicular to the first bevel gear, a guiding gear arranged coaxial to the second bevel gear, and a rack plate engaged with the guiding gear and in horizontal movement; a locking plate is fixed on the rack plate through a connecting shaft; the indicating mechanism comprises a connecting rod fixed to the locking plate through a connecting plate, and the connecting rod moves toward a guiding groove through a limiting guiding shaft; and the two ends of the connecting rod are provided with pin axles, each pin axle is provided with a connecting lever, one end of the connecting lever is limited in a switch through a connecting screw, and the end of the connecting screw is provided with the indicating cover. The three-position switch electric operating mechanism is safe and reliable, is of stable operation and low maintenance cost, and is convenient to maintain.
Description
Technical field
The utility model relates to the high voltage switchgear field, is a kind of GIS three-station electric operating mechanism specifically.
Background technology
Development along with electrical network. totally enclosed type high-voltage combined electrical apparatus (GIS) uses more and more extensive in electrical network, in order to satisfy the user to GIS is high in reliability, volume is little, quality gently reaches the aspect such as non-maintaining requirement, external GIS has generally used isolating switch (DS)/earthed switch (ES) to adopt three station structures, be the DS-ES combined structure, three stations are combined floodgate-isolation-ground connection.Three-station is combined into an integral body with DS and ES, the public moving contact of DS and ES, a middle contact and an operating mechanism tri-station isolating switch are so that the equipment overall structure simplification, size significantly diminishes, therefore can omit the electric operation interlocking between DS and ES, so that the GIS operational reliability is greatly improved.Existing three-station electric operation mechanism is realized breaking-closing operating by controlling simultaneously isolating switch and earthed switch.
A kind of three station operating mechanisms as shown in Figure 7 drive the ball-screw action by motor, gear drive, and the finger of feed screw nut is stirred cam and is rotated counterclockwise, and drives the three position mechanism output shaft, thereby realize DS and ES deciliter.When DS closed a floodgate, its handle hole is opened automatically by jam plate can be manually, and the handle hole of ES is automatically locked by jam plate, can't realize manual interlocking, finger is stirred shift fork, drives flap by brake cable transition joint is rotated, Compress Spring drives the indication of indication cover at closing position simultaneously; During the DS separating brake, Compress Spring resets, and the indication of indication cover is at open position.But there is following defective in said structure: complex structure, installation difficulty, brake cable easily comes off and causes mechanism malfunctioning, easily blocks the divide-shut brake indication that causes by the spring reset structure and is forbidden, and causes that misoperation causes high-tension apparatus to damage the personal safety that jeopardizes the maintainer.Therefore, need badly existing three-station electric operation mechanism is improved.
The utility model content
The purpose of this utility model provides a kind of GIS three-station electric operating mechanism by leading screw, chain drive, locking device and output indicating mechanism mechanical linkage, has solved that prior art divide-shut brake indication is inaccurate, brake cable easily comes off and causes that mechanism is malfunctioning, three station actuating complex structures, the problems such as difficulty has been installed.Its structural design is ingenious, and is stable, safe and reliable, easy maintenance, and the cost of overhaul is low.
The technical scheme that the utility model adopts is: it comprises driving mechanism, blocking mechanism and the indicating mechanism of covering with indication, it is characterized in that: described blocking mechanism comprises the first sprocket wheel that is driven by driving mechanism, the first bevel gear with the setting of the first sprocket coaxiality, with the rotating shaft of the first bevel gear engagement second bevel gear vertical with the first bevel gear, guide gear with the coaxial setting of the second bevel gear, with the rack-plate of the horizontal movement of guide gear engagement, jam plate is fixed on the rack-plate by connecting axle;
Indicating mechanism comprises the connecting rod of fixing by connecting plate and jam plate, and connecting rod and jam plate be arranged in parallel; Connecting rod is provided with gathering sill, is fixed with the spacing axis of guide in the gathering sill, and connecting rod moves along gathering sill by the spacing axis of guide; The connecting rod two ends are provided with the bearing pin perpendicular to connecting rod, and the bearing pin upper limit has connecting lever, and connecting lever one end is spacing in switch by attachment screw, and the attachment screw end is provided with the indication cover.
Described driving mechanism comprises the motor that is arranged in the switch, the first gear by motor-driven gear pair, ball-screw by the second gear drive of gear pair, be arranged on the finger on the ball-screw nut, coaxial cam, driven wheel, the second sprocket wheel that is arranged on the main shaft is with the output shaft of gear part; Finger inserts cam, and the second sprocket wheel links to each other with the first sprocket wheel by chain, the gear part engagement of driven wheel and output shaft.
The advantage that the utlity model has and positive technique effect are: the output shaft control that DS and ES are meshed by main shaft drives, drive sprocket drives the jam plate motion simultaneously, can realize simultaneously mechanical interlocked and electrical interlocks, has improved its reliability.Adopt ball-screw as the motor-driven guiding mechanism, the high safety and stability of transmission efficiency.Adopt mechanical connecting plate to drive the connecting lever rotation and substitute back-moving spring, avoid the generation of spring retardance phenomenon, the divide-shut brake indication accurately.Easy for installation, reliable in structure.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model three position mechanism;
Fig. 2 is the local structure for amplifying schematic diagram of this practicality output indicating mechanism;
Fig. 3 is that Fig. 1 is along the cross-sectional view of A-A line;
Fig. 4 is that Fig. 1 is along the cross-sectional view of B-B line;
Fig. 5 is that Fig. 1 is along the cross-sectional view of C-C line;
Fig. 6 is that Fig. 1 is along the cross-sectional view of D-D line;
Fig. 7 is the structural representation of existing three position mechanism.
Sequence number explanation among the figure: 1 cam, 2 fingers, 3 ball-screws, 4 chains, 5 motors, 6 output indicating mechanisms, 7 jam plates, 8 first sprocket wheels, 9 gear pairs, 10 output shafts, 11 main shafts, 12 driven wheels, 13 isolating switch manual handle holes, 14 earthed switch manual handle holes, 15 connecting plates, 16 connecting rods, 17 connecting levers, 18 split pins, 19 transition joints, 20 indication covers, 21 attachment screws, the 22 spacing axis of guides, 23 second sprocket wheels, 24 first bevel gears, 25 second bevel gears, 26 guide gears, 27 connecting axles, 28 rack-plates.
Embodiment
Describe concrete structure of the present utility model in detail according to Fig. 1 ~ 6.This GIS comprises driving mechanism with the three-station electric operating mechanism, blocking mechanism and the parts such as indicating mechanism of covering with indication.Wherein driving mechanism comprises the motor 5 that is arranged in the switch, the first gear of the gear pair 9 that is driven by motor 5, ball-screw 3 by the second gear drive of gear pair 9, be arranged on the finger 2 on ball-screw 3 nuts, coaxial cam 1, driven wheel 12, the second sprocket wheel 23 that is arranged on the main shaft 11 is with the output shaft 10 of gear part.Finger 2 inserts cam 1, the second sprocket wheel 23 and links to each other with the first sprocket wheel 8 by chain 4, and driven wheel 12 meshes with the gear part of output shaft 10.
When sending combined floodgate or separating brake instruction, the first gear of motor 5 rotary actuation gear pairs 9, the second gear rotation of the first gear driven gear pair 9, drive ball-screw 3 rotations of coaxial setting, ball-screw 3 drives the feed screw nut horizontal movement, being fixed on finger 2 on the feed screw nut stirs cam 1 and is rotated counterclockwise, master gear 12, the second sprocket wheel 23 that cam 1 drives by main shaft 11 coaxial settings rotate, master gear 12 driver output axles 10 rotating drive three-stations, accurate deciliter of realizing isolating switch (DS) and earthed switch (ES).
Blocking mechanism comprises the first sprocket wheel 8 that is driven by driving mechanism, the first bevel gear 24 with the 8 coaxial settings of the first sprocket wheel, with the rotating shaft of the first bevel gear 24 engagement second bevel gear 25 vertical with the first bevel gear 24, with the guide gear 26 of the second bevel gear 25 coaxial settings.Rack-plate 28 bottoms are provided with the tooth section with guide gear 26 engagement, but rotary teeth batten 28 horizontal movements by guide gear 26, and jam plate 7 is fixed on the rack-plate 28 by connecting axle 27.
When sending the isolating switch reclosing command, the second sprocket wheel 23 drives the first sprocket wheel 8 by chain 4 and rotates, the first sprocket wheel 8 drives the first bevel gear 24 rotations of coaxial setting, the second bevel gear 25 rotations that the first bevel gear 24 drive shafts are perpendicular with it, drive simultaneously guide gear 26 rotations, drive rack-plate 28 horizontal movements, the jam plate 7 that is fixed on the rack-plate 28 moves simultaneously, jam plate 7 is opened DS manual handle hole 13 like this can manual manipulation, realizes unblanking; Jam plate 7 locked ES manual handle holes 14 cannot manual manipulation, realizes locking.
Indicating mechanism comprises the connecting rod 16 of fixing by connecting plate 15 and jam plate 7, and connecting rod 16 be arranged in parallel with jam plate 7.Connecting rod is provided with gathering sill, is fixed with the spacing axis of guide 22 in the gathering sill, and connecting rod 16 moves along gathering sill by the spacing axis of guide 22.Connecting rod 16 two ends are provided with the bearing pin perpendicular to connecting rod, by split pin 18 that connecting lever 17 is spacing on connecting rod 16 on the bearing pin, connecting lever 17 1 ends are spacing in switch by attachment screw 21, attachment screw 21 is terminal fixing with indication cover 20, and indication cover 20 is double-decker, and indication cover 20 internal layers are fixed on attachment screw 21 ends, indication cover 20 skins are fixed on the switch, indication cover 20 is outer fixing during indication, the internal layer rotation, thus play indicative function.
When isolating switch closed a floodgate, jam plate 7 drove by coupled connecting rod 16 horizontal movements of connecting plate 15, and connecting rod 16 is provided with gathering sill, and the spacing axis of guide 22 runs through gathering sill, and connecting rod 16 is along the horizontal movement of gathering sill direction.Connecting lever 17 is that an end seals an end with " V-type " plate that runs through gathering sill, bearing pin is limited in this to be run through in the gathering sill, connecting screw 21 runs through connecting lever 17 blind ends, transition joint 19, and its end is fixed on the indication cover 20, and connecting lever 17 can connecting screw 21 be the axle rotation.When connecting screw is rotated, thereby drive indication cover 20 internal layers rotation indication closing position.When DS closed a floodgate, isolating switch handle hole 13 is opened automatically by jam plate 7 can be manual, drives 20 indications of indication cover at closing position.
Claims (2)
1. GIS three-station electric operating mechanism, it comprises driving mechanism, blocking mechanism and the indicating mechanism of covering with indication, it is characterized in that: described blocking mechanism comprises the first sprocket wheel that is driven by driving mechanism, the first bevel gear with the setting of the first sprocket coaxiality, with the rotating shaft of the first bevel gear engagement second bevel gear vertical with the first bevel gear, guide gear with the coaxial setting of the second bevel gear, with the rack-plate of the horizontal movement of guide gear engagement, jam plate is fixed on the rack-plate by connecting axle;
Indicating mechanism comprises the connecting rod of fixing by connecting plate and jam plate, and connecting rod and jam plate be arranged in parallel; Connecting rod is provided with gathering sill, is fixed with the spacing axis of guide in the gathering sill, and connecting rod moves along gathering sill by the spacing axis of guide; The connecting rod two ends are provided with the bearing pin perpendicular to connecting rod, and the bearing pin upper limit has connecting lever, and connecting lever one end is spacing in switch by attachment screw, and the attachment screw end is provided with the indication cover.
2. GIS according to claim 1 three-station electric operating mechanism, it is characterized in that: described driving mechanism comprises the motor that is arranged in the switch, the first gear by motor-driven gear pair, ball-screw by the second gear drive of gear pair, be arranged on the finger on the ball-screw nut, coaxial cam, driven wheel, the second sprocket wheel that is arranged on the main shaft is with the output shaft of gear part; Finger inserts cam, and the second sprocket wheel links to each other with the first sprocket wheel by chain, the gear part engagement of driven wheel and output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320311257 CN203250679U (en) | 2013-06-03 | 2013-06-03 | Three-position switch electric operating mechanism for GIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320311257 CN203250679U (en) | 2013-06-03 | 2013-06-03 | Three-position switch electric operating mechanism for GIS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203250679U true CN203250679U (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320311257 Expired - Fee Related CN203250679U (en) | 2013-06-03 | 2013-06-03 | Three-position switch electric operating mechanism for GIS |
Country Status (1)
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| CN (1) | CN203250679U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036991A (en) * | 2013-12-07 | 2014-09-10 | 国家电网公司 | Three-working-position isolation switch operation device with anti-misoperation function |
| CN104269286A (en) * | 2014-09-26 | 2015-01-07 | 陕西得瑞电力设备有限责任公司 | Three-position operating mechanism |
| CN104332348A (en) * | 2014-11-22 | 2015-02-04 | 永济新时速电机电器有限责任公司 | Auxiliary isolating switch |
| CN105118746A (en) * | 2015-08-12 | 2015-12-02 | 宏秀电气有限公司 | Automatic breaking-closing drive mechanism |
| CN105118745A (en) * | 2015-08-12 | 2015-12-02 | 宏秀电气有限公司 | Linkage turbine for automatic breaking-closing driving mechanism |
| CN106252113A (en) * | 2016-08-17 | 2016-12-21 | 特变电工中发上海高压开关有限公司 | High-voltage switch three-position mechanism |
| CN106548883A (en) * | 2015-09-21 | 2017-03-29 | 西门子公司 | The operating mechanism and its gas insulation switch cabinet of three-station |
| CN110223864A (en) * | 2019-05-30 | 2019-09-10 | 湖南长高电气有限公司 | A kind of three-station electric mechanism stop bit device |
-
2013
- 2013-06-03 CN CN 201320311257 patent/CN203250679U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036991A (en) * | 2013-12-07 | 2014-09-10 | 国家电网公司 | Three-working-position isolation switch operation device with anti-misoperation function |
| CN104036991B (en) * | 2013-12-07 | 2016-08-17 | 国家电网公司 | There is the tri-station isolating switch powder operation device of anti-misoperation function |
| CN104269286A (en) * | 2014-09-26 | 2015-01-07 | 陕西得瑞电力设备有限责任公司 | Three-position operating mechanism |
| CN104332348A (en) * | 2014-11-22 | 2015-02-04 | 永济新时速电机电器有限责任公司 | Auxiliary isolating switch |
| CN105118746A (en) * | 2015-08-12 | 2015-12-02 | 宏秀电气有限公司 | Automatic breaking-closing drive mechanism |
| CN105118745A (en) * | 2015-08-12 | 2015-12-02 | 宏秀电气有限公司 | Linkage turbine for automatic breaking-closing driving mechanism |
| CN106548883A (en) * | 2015-09-21 | 2017-03-29 | 西门子公司 | The operating mechanism and its gas insulation switch cabinet of three-station |
| CN106548883B (en) * | 2015-09-21 | 2020-01-17 | 西门子公司 | Operating mechanism of three-position switch and gas insulation switch cabinet thereof |
| CN106252113A (en) * | 2016-08-17 | 2016-12-21 | 特变电工中发上海高压开关有限公司 | High-voltage switch three-position mechanism |
| CN106252113B (en) * | 2016-08-17 | 2019-09-17 | 特变电工中发上海高压开关有限公司 | High-voltage switch three-position mechanism |
| CN110223864A (en) * | 2019-05-30 | 2019-09-10 | 湖南长高电气有限公司 | A kind of three-station electric mechanism stop bit device |
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Legal Events
| 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: 20131023 Termination date: 20190603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |