CN1866433A - Electric operating mechanism - Google Patents
Electric operating mechanism Download PDFInfo
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- CN1866433A CN1866433A CN 200610042645 CN200610042645A CN1866433A CN 1866433 A CN1866433 A CN 1866433A CN 200610042645 CN200610042645 CN 200610042645 CN 200610042645 A CN200610042645 A CN 200610042645A CN 1866433 A CN1866433 A CN 1866433A
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Abstract
The invention discloses an electric operation structure in the high-pressure switch equipment, which is characterized by the following: setting driving device (15) of symmetrical distribution with two set of individual dynamic source driving structure in the operational structure box (16); connecting the driving device (15) with three working position separation switch-to-ground switch through driving part; connecting driving device (15) with three working position separation switch-to-ground switch electrically through touching device, conversion switch, micromotion switch, motor heat relay. The structure realizes the need of separating switch, ground switch and closing operation.
Description
Technical field
The present invention relates to the electric operating mechanism that uses in a kind of high voltage switchgear.
Background technology
Isolating switch, earthed switch are realized switch branch, closing operation function by a different electric operating mechanism driving respectively in the former high voltage switchgear.This mode of operation complex structure, cost height, and above-mentioned two kinds of switches realize the interlocking requirement by electric component, and security reliability is relatively poor.
Summary of the invention
The purpose of this invention is to provide a kind of three-station electric operation mechanism, this electric operating mechanism realizes that respectively isolating switch, earthed switch open the requirement of branch, closing operation function.It is simple in structure, cost is low, can realize simultaneously mechanical interlocked between isolating switch, the earthed switch, and security reliability is higher.
Technical scheme of the present invention is: design a kind of electric operating mechanism, it is characterized in that: drive unit 15 is arranged in operating mechanism casing 16, drive unit 15 is one to be symmetric arrangement identical in structure two cover driving mechanisms, every cover driving mechanism has the independent power source, drive unit 15 is connected by driving member with tri-station isolating switch/earthed switch, drive unit 15 is electrically connected with tri-station isolating switch/earthed switch by contactor, change over switch, sensitive switch, motor heat relay simultaneously, realizes separating brake, combined floodgate electric operating.
There is deciliter direction board 20 of isolating switch deciliter direction board 17 and earthed switch in described operating mechanism casing 16 fronts, there is door gear 18 on the right side, cable aperture 19 is arranged at the bottom, and contactor, change over switch, sensitive switch, motor heat relay are arranged in operating mechanism casing 16.
The motor 2 of described drive unit 15,2a is fixed on the mechanism rack 11, motor 2,2a is by gear 1,1a and gear 13,13a is connected with a joggle, gear 13,13a is through clutch 12,12a and ball screw assembly, 3,3a links to each other, ball screw assembly, 3,3a and nut block 4,4a is threaded, guide post 22,22a passes nut block 4, the eccentric orfice of 4a is fixed on the mechanism rack 11, finger 5,5a is by nut block 4, an other hole and split pin on the 4a are fixed, shift fork 10 is fixed on mechanism's output shaft 21 by flat key, the mechanism's output gear 9 that is connected on mechanism's output shaft 21 is meshed with switch input gear 8, on mechanism rack 11, be symmetrically fixed with four buffers 7,7a, 7b, 7c, hand valve 6 is connected with cam switch Q214.
Described buffer 7,7a, 7b, 7c are the dish spring structures, and dump energy when being used to absorb nut block 4,4a motion and putting in place plays cushioning effect.
Described driving member mainly comprises ball screw assembly, 3,3a and shift fork 10, and nut adopts the internal and external threads structure among ball screw assembly, 3, the 3a, and internal thread is connected with ball-screw, and external screw thread is connected with nut block 4,4a.
Described shift fork 10 adopts the left-right symmetric structures, and its first half is semicircle, and the center is porose, is that symmetry axis has two skewed slots with the angle line that trunnion axis is 45 ° of angles down with the horizontal axis of shift fork 10, the mutually perpendicular plane of ining succession, skewed slot opening part both sides.
Characteristics of the present invention are: an operating mechanism drives branch, the closing operation function that realizes isolating switch and earthed switch, it organically combines ball screw assembly, and Geneva mechanism, make full use of two kinds of movement characteristics and realized the accurate off-position requirement of switch, improved the fail safe and the reliability of switch operation.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the example structure schematic diagram;
Fig. 2 is that the expression switch all is in separating brake position drive unit schematic diagram;
Fig. 3 is isolating switch drive unit schematic diagram when being in closing position;
Fig. 4 is earthed switch drive unit schematic diagram when being in closing position;
Fig. 5 is drive unit circuit diagram when being in Fig. 2 position (switch separating brake position);
Fig. 6 is the shift fork structural representation.
Among the figure: 1,1a, gear; 2,2a, motor; 3,3a, ball screw assembly; 4,4a, nut block; 5,5a finger; 6, hand valve; 7,7a, 7b, 7c, buffer; 8, switch input gear; 9, mechanism's output gear; 10, shift fork; 11, mechanism rack; 12,12a, clutch; 13,13a, gear; 14, cam switch Q2; 15, drive unit; 16, operating mechanism casing; 17, isolating switch deciliter direction board; 18, door gear; 19, cable aperture; 20, earthed switch deciliter direction board; 21, mechanism's output shaft; 22,22a, guide post.
Embodiment
Embodiment as shown in Figure 1, drive unit 15 is housed in operating mechanism casing 16, drive unit 15 is a pair of symmetric arrangement identical in structure two cover driving mechanisms that are, i.e. first driving mechanism and second driving mechanism, every cover driving mechanism has the independent power source, and driving mechanism is connected by gear with tri-station isolating switch/earthed switch.And, realize the motor forward and backward, thereby finish tri-station isolating switch/earthed switch separating brake, combined floodgate electric operating by the control of electric secondary element.Two cover independent power source mechanisms of drive unit get final product electric operating in normal operation, but also manual operation is used when manual operation is used for maintenance and debugging.There is deciliter direction board 20 of isolating switch deciliter direction board 17 and earthed switch in operating mechanism casing 16 fronts, and there is door gear 18 on the right side, and door gear 18 is to open the port that is used to seal hand-operating device, and cable aperture 19 is arranged at the bottom, and current supply cable passes.The 89LR change over switch is arranged in operating mechanism casing 16; The 57LR change over switch; The IL interlocking electromagnet; The K1 D.C. contactor; The K2 D.C. contactor; The K3 D.C. contactor; The K4 D.C. contactor; KT motor heat relay; The SL1 sensitive switch; The SL2 sensitive switch; The SL3 sensitive switch; The SL4 sensitive switch; The SPD sensitive switch; The SPE sensitive switch.
On about 11 two madial walls of mechanism rack and the symmetry, be parallel to mechanism rack 11 horizontal axiss and be fixed with two groups of 4 buffers 7 up and down, 7a, 7b, 7c, hand valve 6 is connected with cam switch Q214, two ball screw assembly, s 3,3a is through guide post 22, guide post 22a is with the rotation motion motion that is in line, drive is through being threaded and the fixing nut block 4 of its straight barrel type nut, the 4a rectilinear motion, be fixed in nut block 4, the finger 5 of 4a, 5a stir be connected and fixed on mechanism's output shaft through flat key shift fork 10 clockwise or be rotated counterclockwise 90 °, thereby drive the same manner and be fixed on same mechanism output shaft 21 mechanism's output gears 9 synchronously clockwise or be rotated counterclockwise 90 °, mechanism's output gear 9 and switch input gear 8 engaged transmission are realized the switch branch, the closing operation function.Be fixed on the sensitive switch cut-out electrical equipment control loop of mechanism rack 11 when mechanism kinematic puts in place respectively by ball screw assembly, 3 and ball screw assembly, 3a two ends, make motor 2 and motor 2a outage, mechanism's stop motion.Because motional inertia, nut block 4,4a continue rectilinear motion, are finally located by buffer 7,7a, 7b, 7c and absorb its dump energy.When driving torque surpassed certain numerical value, two clutches 12,12a threw off, and cut off transmission, reached the effect of protection motor.
Fig. 6 is the shift fork structural representation, as shown in Figure 6, because shift fork 10 adopts the left-right symmetric structure, its first half is semicircle, the center is porose, with the horizontal axis of shift fork 10 is that symmetry axis has two skewed slots with the angle line that trunnion axis is 45 ° of angles down, the mutually perpendicular plane of ining succession, skewed slot opening part both sides.The decision of the design feature of shift fork 10, is closed accurate positioning at mechanism's branch, and switch the misoperation phenomenon can not occur. Guide post 22,22a guarantee that it is that nut block 4,4a are with ball screw assembly, 3, move along guide post 22,22a when 3a moves horizontally that nut block 4,4a only move horizontally with ball screw assembly, 3,3a that nut block 4,4a self do not rotate.
Three stations of operating mechanism are achieved as follows:
1) isolating switch close, sub-switching operation
Closing operation: just connecting universal motor 2 (turning clockwise), by gear 1,13 engaged transmission on motor 2 output shafts and ball screw assembly, 3 one ends, to rotatablely move and be delivered to ball screw assembly, 3, through ball screw assembly, 3, nut block 4 and guide post 22 transmissions, making rotatablely moves is converted to nut block 4 rectilinear motion to the right.Stir shift fork 10 and turn clockwise 90 ° by being fixed on finger 5 on the nut block 4, drive the mechanism's output gear 9 that is fixed on the same mechanism output shaft 21 simultaneously and turn clockwise 90 °, mechanism's output gear 9 and gear 8 gear motions that are fixed on the Switch main body power shaft are realized the switch closing operation.Drive unit state when Fig. 3 is in closing position for isolating switch.
Sub-switching operation is as shown in Figure 2: anti-phase connection universal motor 2 (being rotated counterclockwise), by gear 1,13 engaged transmission on motor 2 output shafts and ball screw assembly, 3 one ends, to rotatablely move and be delivered to ball screw assembly, 3, through ball screw assembly, 3, nut block 4 and guide post 22 transmissions, making rotatablely moves is converted to nut block 4 rectilinear motion left.Stir shift fork 10 and be rotated counterclockwise 90 ° by being fixed on finger 5 on the nut block 4, drive the mechanism's output gear 9 that is fixed on the same mechanism output shaft 21 simultaneously and be rotated counterclockwise 90 °, mechanism's output gear 9 and gear 8 gear motions that are fixed on the Switch main body power shaft are realized the isolating switch sub-switching operation.Drive unit state when Fig. 2 is in the separating brake position for isolating switch.
2) earthed switch close, sub-switching operation:
Closing operation is as shown in Figure 4: just connecting universal motor 2a (turning clockwise), by gear 1a, the 13a engaged transmission on motor 2a output shaft and ball screw assembly, 3a one end, to rotatablely move and be delivered to ball screw assembly, 3a, through ball screw assembly, 3a, nut block 4a and guide post 22a transmission, making rotatablely moves is converted to nut block 4a rectilinear motion to the right.Stir shift fork 10 and be rotated counterclockwise 90 ° by being fixed on finger 5a on the nut block 4a, drive the mechanism's output gear 9 that is fixed on the same mechanism output shaft simultaneously and be rotated counterclockwise 90 °, mechanism's output gear 9 and gear 8 gear motions that are fixed on the Switch main body power shaft are realized the switch closing operation.Drive unit state when Fig. 4 is in closing position for earthed switch.
Sub-switching operation is as shown in Figure 3: universal motor 2a (being rotated counterclockwise) is led in reversal connection, by gear 1a, the 13a engaged transmission on motor 2a output shaft and ball screw assembly, 3a one end, to rotatablely move and be delivered to lead screw pair 3a, through ball screw assembly, 3a, nut block 4a and guide post 22a transmission, making rotatablely moves is converted to nut block 4a rectilinear motion left.Stir shift fork 10 and turn clockwise 90 ° by being fixed on finger 5a on the nut block 4a, drive the mechanism's output gear 9 that is fixed on the same mechanism output shaft simultaneously and turn clockwise 90 °, mechanism's output gear 9 and gear 8 gear motions that are fixed on the Switch main body power shaft are realized the switch sub-switching operation.Drive unit state when Fig. 2 is in the separating brake position for earthed switch.
In the switch debugging, can utilize manual setter to carry out the mechanism manual breaking-closing operating.When stirring hand valve 6, by cam switch Q214, SPD sensitive switch or the action of SPE sensitive switch, the electronic actuating of locking loop, the manual interlocking electromagnet adhesive of IL simultaneously and finally open hand valve, wind is inserted ball screw assembly, 3 or 3a square axis one end, and the rotation wind can carry out manual breaking-closing operating.
Two independently indicating device and 89LR change over switch separately, 57LR change over switch are direct-connected, by nut block 4,4a motion, drive the connecting plate motion that is fixed on the change over switch, and its rotation is switched.Be fixed on divide-shut brake direction board on the change over switch and can indicate the location status of isolating switch and earthed switch respectively, change over switch also can reach the purpose of interlocking, locking control loop.Because the contact of auxiliary switch only just can be changed in the moment of main contact arrival final position, so position indicating device can be indicated the physical location of main contact reliably.
DSON represents isolating switch closing operation loop among Fig. 5, DSOFF represents isolating switch sub-switching operation loop, ESON represents earthed switch closing operation loop, ESOFF represents earthed switch sub-switching operation loop, the manual interlocked operation of INTERCLOCK (frame of broken lines) expression loop, MOTOR represents the motor rotation loop.OFF represents that switch is in the separating brake position, and ON represents that switch is in closing position.1 position represents that sensitive switch is in the close position, 0 position represents that sensitive switch is in open position, I represents the handle insertion position, II represents the handle extracting position, III represents that hand valve do not push the position aside, IV represents that hand valve pushes the position aside, 89a, 89b represent normal opened contact, the normally closed contact of change over switch 89LR respectively, 57a, 57b represent normal opened contact, the normally closed contact of change over switch 57LR, DC220V represents direct voltage 220V, and DC/AC220V represents direct voltage or alternating voltage 220V.
Fig. 5-when (A) representing that mechanism's output shaft 21 is in the separating brake position in the drive unit 15, the state of sensitive switch SL1, SL3; Fig. 5-when (B) representing that mechanism's output shaft 21 is in the separating brake position in the drive unit 15, the state of sensitive switch SL2, SL4; The state relation of isolator operation handle position and sensitive switch SPD in the expression of Fig. 5-(C) drive unit 15; The state relation of earthed switch operating grip position and sensitive switch SPE in the expression of Fig. 5-(D) drive unit 15; Hand valve 6 positions and cam switch Q2 state relation in the expression of Fig. 5-(E) drive unit 15; The winding diagram of the expression of Fig. 5-(F) D.C. contactor K1; The winding diagram of the expression of Fig. 5-(G) D.C. contactor K2; The winding diagram of the expression of Fig. 5-(H) D.C. contactor K3; The winding diagram of the expression of Fig. 5-(I) D.C. contactor K4; The winding diagram of the expression of Fig. 5-(J) motor heat relay K T, the coil of expression interlocking electromagnet IL of Fig. 5-(K).
The electric elements title of each symbol representative is as follows respectively among Fig. 5:
Change over switch 89LR; Change over switch 57LR; Interlocking electromagnet IL; D.C. contactor K1; D.C. contactor K2; D.C. contactor K3; D.C. contactor K4; Motor heat relay K T; Sensitive switch SL1; Sensitive switch SL2; Sensitive switch SL3; Sensitive switch SL4; Sensitive switch SPD; Sensitive switch SPE; Universal motor M1; Universal motor M2.
Electric operating isolating switch/earthed switch on/off switch process:
Isolating switch closes a floodgate
After No. 1 terminal is received isolating switch and is closed order, the K1 D.C. contactor is charged, the K1 junction closure, the K3 D.C. contactor is charged, the K3 junction closure, the M1 universal motor starts rotation clockwise, is fixed on gear 1 and gear 13 engaged transmission on the M1 universal motor, through clutch 12, ball screw assembly, 3, nut block 4,21 rotations of shift fork 10 lead agency output shafts, realize that with switch input gear 8 engaged transmission switch closes a floodgate by the mechanism's output gear 9 that is fixed on mechanism's output shaft.The K1 self-holding circuit was cut off in the action of SL3 sensitive switch when switch put in place, made the outage of K1 D.C. contactor, K3 D.C. contactor dead electricity, and the K3 contact disconnects, the stall of M1 universal motor, drive unit 15 motions put in place.At this moment 89LR change over switch contact 89b disconnects, the 89a closure.
The isolating switch separating brake
No. 3 terminals are received isolating switch and are divided order back (89a closure at this moment), the K2 D.C. contactor is charged, the K2 junction closure, the K3 D.C. contactor is charged, the K3 junction closure, the M1 universal motor starts rotation counterclockwise, be fixed on gear 1 and gear 13 engaged transmission on the M1 motor, through clutch 12, ball screw assembly, 3, nut block 4,21 rotations of shift fork 10 lead agency output shafts, realize the switch separating brake with switch input gear 8 engaged transmission by the mechanism's output gear 9 that is fixed on mechanism's output shaft.The K2 self-holding circuit is cut off in the action of SL1 sensitive switch when putting in place, makes the outage of K2 D.C. contactor, K3 D.C. contactor dead electricity, and the K3 contact disconnects, 36 stalls of M1 universal motor, drive unit 15 motions put in place.At this moment change over switch contact 89b closure, 89a disconnects.
Earthed switch closes a floodgate
After No. 4 terminals are received earthed switch and are closed order, the K2 D.C. contactor is charged, the K2 junction closure, the K4 D.C. contactor is charged, the K4 junction closure, the M2 universal motor starts rotation clockwise, be fixed on gear 1a and gear 13a engaged transmission on the M2 universal motor, through clutch 12a, ball screw assembly, 3a, nut block 4a, 21 rotations of shift fork 10 lead agency output shafts, realize that with switch input gear 8 engaged transmission switch closes a floodgate by the mechanism's output gear 9 that is fixed on mechanism's output shaft.The K2 self-holding circuit was cut off in the action of SL4 sensitive switch when switch put in place, made the outage of K2 D.C. contactor, K4 D.C. contactor dead electricity, and the K4 contact disconnects, the stall of M2 universal motor, drive unit 15 motions put in place.At this moment change over switch contact 57b disconnects, the 57a closure.
The earthed switch separating brake
No. 2 terminals are received earthed switch and are divided order back (57a closure at this moment), the K1 D.C. contactor is charged, the K1 junction closure, the K4 D.C. contactor is charged, the K4 junction closure, the M2 universal motor starts rotation counterclockwise, be fixed on gear 1a and gear 13a engaged transmission on the M2 universal motor, through clutch 12a, ball screw assembly, 3a, nut block 4a, 21 rotations of shift fork 10 lead agency output shafts, realize the switch separating brake with switch input gear 8 engaged transmission by the mechanism's output gear 9 that is fixed on mechanism's output shaft.The K1 self-holding circuit is cut off in the action of SL2 sensitive switch when putting in place, makes the outage of K1 D.C. contactor, K4 D.C. contactor dead electricity, and the K4 contact disconnects, 37 stalls of M2 motor, drive unit 15 motions put in place.At this moment change over switch contact 57b closure, 57a disconnects.
Claims (6)
1, electric operating mechanism, it is characterized in that: drive unit (15) is arranged in operating mechanism casing (16), drive unit (15) is one to be symmetric arrangement identical in structure two cover driving mechanisms, every cover driving mechanism has the independent power source, drive unit (15) is connected by driving member with tri-station isolating switch/earthed switch, drive unit (15) is electrically connected with tri-station isolating switch/earthed switch by contactor, change over switch, sensitive switch, motor heat relay simultaneously, realizes separating brake, combined floodgate electric operating.
2, electric operating mechanism according to claim 1, it is characterized in that: there is deciliter direction board (20) of isolating switch deciliter direction board (17) and earthed switch in described operating mechanism casing (16) front, there is door gear (18) on the right side, cable aperture (19) is arranged at the bottom, and contactor, change over switch, sensitive switch, motor heat relay are arranged in operating mechanism casing (16).
3, electric operating mechanism according to claim 1, it is characterized in that: the motor (2 of described drive unit (15), 2a) be fixed on the mechanism rack (11), motor (2,2a) by gear (1,1a) with gear (13,13a) be connected with a joggle, gear (13,13a) through clutch (12,12a) with ball screw assembly, (3,3a) link to each other, ball screw assembly, (3,3a) with nut block (4,4a) be threaded, guide post (22,22a) pass nut block (4, eccentric orfice 4a) is fixed on the mechanism rack (11), finger (5,5a) by nut block (4, an other hole and split pin 4a) are fixed, shift fork (10) is fixed on mechanism's output shaft (21) by flat key, the mechanism's output gear (9) that is connected on mechanism's output shaft (21) is meshed with switch input gear (8), on mechanism rack (11), be symmetrically fixed with four buffers (7,7a, 7b, 7c), hand valve (6) is connected with cam switch Q2 (14).
4, electric operating mechanism according to claim 3 is characterized in that: described buffer (7,7a, 7b, 7c) is the dish spring structure, is used to absorb nut block (4,4a) dump energy when motion puts in place, plays cushioning effect.
5, electric operating mechanism according to claim 1, it is characterized in that: described driving member mainly comprises ball screw assembly, (3,3a) and shift fork (10), nut adopts the internal and external threads structure in the ball screw assembly, (3,3a), internal thread is connected with ball-screw, and external screw thread and nut block (4,4a) are connected.
6, electric operating mechanism according to claim 3, it is characterized in that: described shift fork (10) adopts the left-right symmetric structure, its first half is semicircle, the center is porose, with the horizontal axis of shift fork (10) is that symmetry axis has two skewed slots with the angle line that trunnion axis is 45 ° of angles down, the mutually perpendicular plane of ining succession, skewed slot opening part both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100426457A CN100385589C (en) | 2006-04-07 | 2006-04-07 | Electric operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100426457A CN100385589C (en) | 2006-04-07 | 2006-04-07 | Electric operating mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN1866433A true CN1866433A (en) | 2006-11-22 |
| CN100385589C CN100385589C (en) | 2008-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100426457A Active CN100385589C (en) | 2006-04-07 | 2006-04-07 | Electric operating mechanism |
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| CN (1) | CN100385589C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425402A (en) * | 2007-10-29 | 2009-05-06 | 阿雷瓦T&D公司 | Electromagnetic actuator and high or medium-voltage disconnecting switch equipped with such an actuator |
| CN101958198A (en) * | 2010-09-17 | 2011-01-26 | 廖明厚 | Three-station mechanism adopting double-turbine-worm mode |
| CN101958197A (en) * | 2010-09-17 | 2011-01-26 | 廖明厚 | Three-station mechanism for realizing rapid tripping |
| CN102646541A (en) * | 2012-04-23 | 2012-08-22 | 陕西得瑞电力设备有限责任公司 | Three-station electric spring operating mechanism |
| CN105337189A (en) * | 2015-11-30 | 2016-02-17 | 浙江高压开关厂有限公司 | Operation mechanism case for solid insulating ring network cabinet |
| 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 |
| CN107946108A (en) * | 2017-12-22 | 2018-04-20 | 国网河北省电力有限公司武邑县供电分公司 | The press control of mains-power circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357505A (en) * | 1979-09-10 | 1982-11-02 | Bridges Ronald P | Power driven group operated circuit disconnect apparatus for overhead electric power line |
| CN2207626Y (en) * | 1994-07-29 | 1995-09-13 | 郑州铁路局西安科学技术研究所 | Electric operating implement for high voltage load disconnecting switch |
| JPH11219631A (en) * | 1998-01-30 | 1999-08-10 | Sumitomo Wiring Syst Ltd | Circuit breaker device |
| CN1281232A (en) * | 2000-08-22 | 2001-01-24 | 浙江华仪电力设备制造有限公司 | Operating mechanism using electric motor |
-
2006
- 2006-04-07 CN CNB2006100426457A patent/CN100385589C/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425402B (en) * | 2007-10-29 | 2013-04-24 | 阿雷瓦T&D公司 | Electromagnetic actuator and high or medium-voltage disconnecting switch equipped with such an actuator |
| CN101425402A (en) * | 2007-10-29 | 2009-05-06 | 阿雷瓦T&D公司 | Electromagnetic actuator and high or medium-voltage disconnecting switch equipped with such an actuator |
| CN101958198A (en) * | 2010-09-17 | 2011-01-26 | 廖明厚 | Three-station mechanism adopting double-turbine-worm mode |
| CN101958197A (en) * | 2010-09-17 | 2011-01-26 | 廖明厚 | Three-station mechanism for realizing rapid tripping |
| CN101958198B (en) * | 2010-09-17 | 2012-12-19 | 廖明厚 | Three-station mechanism adopting double-turbine-worm mode |
| CN101958197B (en) * | 2010-09-17 | 2012-12-19 | 廖明厚 | Three-station mechanism for realizing rapid tripping |
| CN102646541A (en) * | 2012-04-23 | 2012-08-22 | 陕西得瑞电力设备有限责任公司 | Three-station electric spring operating mechanism |
| CN102646541B (en) * | 2012-04-23 | 2015-12-02 | 陕西得瑞电力设备有限责任公司 | A kind of three-station electric spring operating mechanism |
| CN105337189A (en) * | 2015-11-30 | 2016-02-17 | 浙江高压开关厂有限公司 | Operation mechanism case for solid insulating ring network cabinet |
| CN105337189B (en) * | 2015-11-30 | 2017-07-28 | 浙江高压开关厂有限公司 | A kind of operating mechanism box of solid insulation ring main unit |
| 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 |
| CN107946108A (en) * | 2017-12-22 | 2018-04-20 | 国网河北省电力有限公司武邑县供电分公司 | The press control of mains-power circuit |
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| Publication number | Publication date |
|---|---|
| CN100385589C (en) | 2008-04-30 |
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Owner name: XI'AN XD SWITCHHGEAR ELECTRIC CO.,LTD. Free format text: FORMER NAME: XI'AN XIKAI HIGH-VOLTAGE ELECTRIC CO., LTD. |
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Address after: 710077 No. 509, Daqing Road, Xi'an, Shaanxi Patentee after: XI'AN XD SWITCHGEAR ELECTIC Co.,Ltd. Address before: 710077 technical department, West Electric Company, No. 509, Daqing Road, Xi'an, Shaanxi Patentee before: XIKAI HIGH VOLTAGE ELECTRIC Co. |
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Effective date of registration: 20221101 Address after: 710076 No.24, Dengling Road, Hi tech Zone, Xi'an, Shaanxi Patentee after: XI'AN XD HIGH VOLTAGE SWITCHGEAR OPERATING MECHANISM CO.,LTD. Patentee after: XI'AN XD SWITCHGEAR ELECTIC Co.,Ltd. Address before: 710077 No. 509, Daqing Road, Xi'an, Shaanxi Patentee before: XI'AN XD SWITCHGEAR ELECTIC Co.,Ltd. |