CN103208397B - Three-station operating mechanism for vacuum disconnecting switch - Google Patents
Three-station operating mechanism for vacuum disconnecting switch Download PDFInfo
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- CN103208397B CN103208397B CN201310162141.9A CN201310162141A CN103208397B CN 103208397 B CN103208397 B CN 103208397B CN 201310162141 A CN201310162141 A CN 201310162141A CN 103208397 B CN103208397 B CN 103208397B
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- ground connection
- connecting lever
- output shaft
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Abstract
The invention discloses a three-station operating mechanism for a vacuum disconnecting switch. The three-station operating mechanism comprises a housing, an output module, an operating module and a locking module, wherein rail grooves are formed on the two sides of a drive plate respectively; the operating module is provided with a roll sleeve, close to the end of the drive plate; and the roll sleeves can drive the drive plate to rotate along the rail grooves, and then drive an output shaft to rotate. The three-station operating mechanism can exert thousands of newtons of holding capacity on a switch-on position, has an output motion curve meeting the vacuum tube characteristics, and more importantly can realize rapid opening and closing at three stations.
Description
Technical field
The present invention relates to high voltage switchgear field, particularly relate to a kind of three station vacuum interrupter operating mechanisms.
Background technology
The ring main unit that now puts into operation be take gas-filling cabinet as main, and is mostly knife-switch structure, and its short circuit closes from number of times and ability all lower, and some also adopts three station operating mechanisms its isolation earthing switch.
As Chinese patent literature CN102456503 discloses a kind of Cubicle Gas-Insulated Switchgear three station manipulations and interlock, this invention comprises mechanism case, be arranged on mechanism case the main shaft by driven by motor, main shaft end is connected with the connecting lever outside mechanism case, the top of main shaft is provided with the first interlocking gear, the head end of this first interlocking gear is connected with the baffle plate outside mechanism case, when baffle plate is during in plumbness, cover the head end of main shaft, between the first interlocking shaft and main shaft, be provided with movable frid, one end of movable frid is connected with main shaft, the both sides of the first interlocking shaft are by the groove active link of axle and movable frid, in the both sides in the first chain week, be also provided with first line shaft parallel with the first chain axle, the present invention also has auxiliary chain axle, the second line shaft, the second chain axle.The prior art has overcome the horizontal propulsion mode that traditional gas-insulated high-voltage switchgear assembly three-station all adopts with operating mechanism, and uses connection, isolation, ground connection that rotating shaft drives connecting lever to rotate to realize switch instead, and then completes the control to circuit.That the relatively traditional ring main unit technology of the prior art has advantages of is simple in structure, volume is little, reliability is high.But still there is following shortcoming: when 1, the prior art is manually carried out ground connection, isolation, closing operation, to be undertaken by insert handle rotation on main shaft, therefore, belong to Slow-disconnecting and slow-connecting mechanism, can not meet the requirement of circuit breaker to switch divide-shut brake speed (combined floodgate 0.6m/s, separating brake 1.2m/s); 2, in the prior art, to the locking of ground connection, isolation, three positions of combined floodgate, be to be only close to the first chain axle and the first line shaft by the second line shaft, the first chain axle cannot rotate, baffle plate on the first chain axle cannot move realization, therefore, thereby by the second line shaft, being close to the first chain axle makes it to rotate the locking realizing, its latching force is limited, can not reach the positive lock of thousands of oxen.
Summary of the invention
For this reason, the technical problem to be solved in the present invention is that three station vacuum interrupters of the prior art are with little to the locking confining force of the latch-up structure of ground connection, isolation, three positions of combined floodgate in operating mechanism, lock insecure problem, a kind of position hold facility with thousands of oxen is provided, meets three station vacuum interrupter operating mechanisms of vacuum tube output movement curve characteristic.
Further provide a kind of and can realize the three station vacuum interrupter operating mechanisms that divide soon soon close a floodgate.
For achieving the above object, the present invention is by the following technical solutions: a kind of three station vacuum interrupter operating mechanisms, comprising:
Housing;
Output module, described output module has output shaft, and described output shaft is horizontally set with on described housing, and the end of described output shaft is fixedly connected with output toggle arm;
Operational module, described operational module is controlled the rotation of described output shaft, described output toggle arm is swung between isolation, ground connection, combined floodgate three stations and realize isolation combined floodgate, separating brake or contact of earth, separating brake;
Locking module, described locking module locks the described output toggle arm in isolation, ground connection, combined floodgate station position;
Described operational module comprises
Driver plate, described driver plate one end is sheathed to be connected on described output shaft, on the other end, form two rail grooves, described rail groove comprises the straight-line groove part of afterbody and the tipper part of head, and described tipper part is in the one end towards described output shaft, described in two, rail groove is to cross the straight line mirror image in described output shaft axle center and described tipper part towards the form setting of external expansion;
Isolation-switch-on operating mechanism, comprises the first roll sleeve being set in the first rail groove, controls described the first roll sleeve and slides in described the first rail groove, promotes described driver plate and rotates, and then drive the isolation-closing control device of described output shaft rotation;
Ground connection-switch-on operating mechanism, comprises the second roll sleeve being set in the second rail groove, controls described the second roll sleeve and slides in described the second rail groove, promotes described driver plate and rotates backward, and then drive the counter-rotational ground connection-closing control device of described output shaft;
Described locking module comprises
Combined floodgate locking mechanism comprises the first draw-in groove of the described tipper part end that is molded over described the first rail groove, and the second draw-in groove that is molded over the described straight-line groove part end of described the second rail groove, during "on" position, described the first draw-in groove locks described the first roll sleeve in wherein, and described the second draw-in groove locks described the second roll sleeve in wherein;
Ground connection locking mechanism comprises in the 3rd draw-in groove of the described straight-line groove part end that is molded over described the first rail groove, be molded in the 4th draw-in groove of described sloping portion end of described the second rail groove, described the 3rd draw-in groove locks described the first roll sleeve in wherein, and described the 4th draw-in groove locks described the second roll sleeve in wherein;
Isolation locking mechanism comprises the position limiting structure being arranged on described output shaft, and be arranged on the elastic locking structure on described housing, described output shaft is when isolated location, and described position limiting structure is just in time aimed at described elastic locking structure in conjunction with the locking realizing described isolation.
Described isolation-closing control device comprises isolation main shaft, and described isolation main shaft is rotatably fixed on the wall of described housing, and the wall of described housing is stretched out at the two ends of described main shaft, one end that described isolation main shaft is positioned at described hull outside connects isolation energy storage device, one end that described isolation main shaft is positioned at described housing inner side is arranged with isolation worm gear successively, isolation stop collar, cover and the first connecting lever in isolating, wherein said isolation worm gear is provided with the first driving bearing pin that drives described isolation stop collar to rotate towards the side of described isolation stop collar, described the first connecting lever in described isolation is crossed, overlap side be provided with drive described isolation cross in cover rotate second drive bearing pin, and described the first roll sleeve is fixed on the end of described the first connecting lever, described isolation stop collar, described isolation is overlapped and is fixedly installed on described isolation main shaft in crossing, described isolation worm gear drives described isolation stop collar to drive described isolation main shaft to be rotated in the forward the energy storage of described isolation energy storage device under the driving of isolation worm screw, in crossing, moment releases can, in moment exoergic process, described isolation is overlapped rotation and is encountered described the second driving bearing pin and drive described the first connecting lever rotation in crossing.
Described isolation energy storage device comprises the isolation energy-storage crank arm that is fixedly installed on described isolation spindle nose, and one end is connected with the end of described isolation energy-storage crank arm, the other end is fixed on the isolation energy-stored spring on described housing, described isolation energy-stored spring completes energy storage when described isolation main shaft rotates with described isolation energy-storage crank arm, cross in, release energy.
Described ground connection-closing control device has ground connection main shaft, described ground connection main shaft is rotatably fixed on the wall of described housing, extend to the both sides of described shell wall side at the two ends of described ground connection main shaft, and the one end that is positioned at described hull outside connects ground connection energy storage device, the one end that is positioned at described housing inner side is arranged with the second connecting lever successively, ground connection is crossed middle cover, ground connection stop collar and ground connection worm gear, wherein said ground connection worm gear is provided with the 3rd driving bearing pin that drives described ground connection stop collar to rotate towards the side of described ground connection stop collar, the crossing middle cover side towards described ground connection and be provided with and drive described ground connection to cross the 4 wheel driven untie-sell axle that middle cover rotates of described the second connecting lever, and described the second roll sleeve is fixed on the end of described the second connecting lever, described ground connection stop collar, described ground connection is crossed middle cover and is fixedly installed on described ground connection main shaft, described ground connection worm gear drives described ground connection stop collar to drive described ground connection main shaft to be rotated in the forward the energy storage of described ground connection energy storage device under the driving of ground connection worm screw, in crossing, moment releases can, in moment exoergic process, described ground connection is crossed middle cover rotation and is encountered described 4 wheel driven untie-sell axle and drive described the second connecting lever rotation.
Described ground connection energy storage device comprises the ground connection energy-storage crank arm that is fixedly installed on described ground connection spindle nose, and one end is connected with the end of described ground connection energy-storage crank arm, the other end is fixed on the ground connection energy-stored spring on described housing, described ground connection energy-stored spring can complete energy storage when described ground connection main shaft rotates with described ground connection energy-storage crank arm, cross in, release energy.
Described output shaft is provided with the 3rd connecting lever, and the described position limiting structure of described isolation locking mechanism is that the end that is molded over described the 3rd connecting lever is provided with groove; Described elastic locking structure comprises push rod, spring, spring cavity, described spring cavity is arranged on described on housing, described push rod can come and go and be arranged at slidably in described spring cavity, described spring action is at described output shaft during in described isolated location on described push rod, and described push rod can head in described groove under the effect of described spring.
The end riveted joint that ejects of described push rod has top cover, and described top cover has curved end, and the curved end of described top cover is suitable for heading in the groove of described the 3rd connecting lever end.
Also comprise interlocking modules, described interlocking modules has the driving shaft perpendicular to operating surface that is arranged on described case top, one end that described driving shaft is positioned at described operating surface is fixedly connected with rotating shaft weldment, the other end of described rotating shaft weldment is connected with the connecting plate of vertical setting, the lower end of described connecting plate is connected with covering plate, the described covering plate position corresponding with described worm screw is provided with two through holes, during described driving shaft rotation, can drive described covering plate to move up and down.
Also comprise indicating module, described indicating module comprises the indication connecting lever being socketed on described output shaft, indicator board, and connecting the connecting plate of described indication connecting lever and described indicator board, described indication connecting lever drives described indicator board to rotate indication station state of living in described output shaft rotation to different station.
Described housing is provided with travel switch, and the relevant position of described output shaft is arranged with connecting lever plate, and the end of described connecting lever plate is provided with protuberance, and described protuberance can contact and connect described travel switch with described connecting lever plate rotation.
Also comprise and contribute to the isolated bit collocation structure of described output shaft in isolation, described isolated bit collocation structure comprises the compensation connecting lever being arranged on described output shaft, and one end is installed on described housing, the counterbalance spring that the other end is connected with described compensation connecting lever, the spring force of described counterbalance spring makes described output shaft in isolation.
The invention has the beneficial effects as follows:
1. the rail groove of special shape is set in driver plate in the present invention, can export the curve movement that meets vacuum-tube characteristic, when the draw-in groove in driver plate again can be reliably by ground connection, "on" position, place's roll sleeve in the inner locks, thereby while realizing combined floodgate and earthing position, the hold facility of thousands of oxen, has realized the practical application of three station vacuum tube isolation earthing switch in solid loop-net cabinet field.
2. acting all realizes by energy storage device to output shaft for isolation module of the present invention and earthing module, this energy storage device comprises the energy-storage crank arm that is fixedly installed on described spindle nose, and one end is connected with the end of energy-storage crank arm, the other end is fixed on the energy-stored spring on described housing, described energy-stored spring completes after energy storage when described main shaft rotates with described energy-storage crank arm, under the effect of elastic force, can to main shaft, apply a revolving force rapidly, thereby drive driver plate to rotate rapidly, and then output shaft is externally done work.This set only need pass through rotary worm, just can realize isolation combined floodgate, sub-switching operation and contact of earth, sub-switching operation and can realize and divide soon soon close, thereby meet the requirement of circuit breaker to switch divide-shut brake speed (combined floodgate 0.6m/s, separating brake 1.2m/s).
3. the present invention is designed with isolated location maintenance module, isolated location keeps module to comprise push rod, spring, spring cavity and connecting lever, spring cavity is fixed on the outside of housing, and spring and push rod are arranged in spring cavity, and push rod can be flexible along the direction over against output shaft axle center; Connecting lever is set on described output shaft, and the end of described connecting lever is provided with groove, and described push rod can head in described groove.When output shaft rotation arrives isolated location, push rod heads in the groove of connecting lever end under the effect of spring force like this, and restriction output shaft rotates, thereby has guaranteed the fail safe of isolated location.
Accompanying drawing explanation
For the content of invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is structural representation of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is the cutaway view that the present invention keeps module;
Fig. 4 is that the A-A of Fig. 1 of the present invention is to view;
Fig. 5 is that the B-B of Fig. 1 of the present invention is to view;
Fig. 6 is that the C-C of Fig. 1 of the present invention is to view;
Fig. 7 is that the D-D of Fig. 1 of the present invention is to view;
Fig. 8 is indicating module positional structure schematic diagram of the present invention;
Fig. 9 is the structural representation at the present invention driver plate place when isolated location;
Figure 10 is the structural representation at the present invention driver plate place when closing position;
Figure 11 is the structural representation at the present invention driver plate place when earthing position.
In figure, Reference numeral is expressed as:
1-housing, 2-output shaft, 3-output toggle arm, 4-driver plate, 40-roll sleeve, 41-rail groove, 5-isolates main shaft, 51-isolates stop collar, 52-overlapped in isolating, 6-isolates worm gear, 61-first drives bearing pin, 7-isolates worm screw, 8-the first connecting lever, 81-second drives bearing pin, 9-energy-storage crank arm, 10-energy-stored spring, 11-ground connection main shaft, 111-ground connection stop collar, 112-ground connection is crossed middle cover, 12-ground connection worm gear, 121-the 3rd drives bearing pin, 13-ground connection worm screw, 14-the second connecting lever, 141-4 wheel driven untie-sell axle, 15-energy-storage crank arm, 16-energy-stored spring, 17-push rod, 18-spring, 19-spring cavity, 241, 242-worm hole, 20-the 3rd connecting lever, 201-groove, 21-driving shaft, 22-rotating shaft weldment, 23-connecting plate, 24-covering plate, 25-indicates connecting lever, 26-connecting plate, 27-indicator board, 28-travel switch, 29-connecting lever plate, 291-protuberance, 31-compensates connecting lever, 32-counterbalance spring.
Embodiment
Referring to Fig. 1-7, the three station vacuum interrupters of the present embodiment comprise with operating mechanism: housing 1; Output module, operational module, locking module, wherein said output module has output shaft 2, and described output shaft 2 is horizontally set with on described housing 1, and the end of described output shaft 2 is fixedly connected with output toggle arm 3;
Described operational module comprises driver plate 4, isolation-switch-on operating mechanism, and ground connection-switch-on operating mechanism, wherein
Described driver plate 4 one end are sheathed to be connected on described output shaft 2, on the other end, form two rail grooves 41, described rail groove 41 comprises the straight-line groove part of afterbody and the tipper part of head, and described tipper part is in the one end towards described output shaft 2, described in two, rail groove 41 is to cross the straight line mirror image in described output shaft axle center and described tipper part towards the form setting of external expansion;
Described isolation-switch-on operating mechanism comprises the first roll sleeve being set in the first rail groove, controls described the first roll sleeve and slides in described the first rail groove, promotes described driver plate 4 and rotates, and then drive the isolation-closing control device of described output shaft rotation, in the present embodiment, the preferred mechanism of described isolation-closing control device is: comprise isolation main shaft 5, described isolation main shaft 5 is rotatably fixed on the wall of described housing 1, and the wall of described housing 1 is stretched out at the two ends of described main shaft 5, one end that described isolation main shaft 5 is positioned at described housing 1 outside connects isolation energy storage device, one end that described isolation main shaft 5 is positioned at described housing 1 inner side is arranged with isolation worm gear 6 successively, isolation stop collar 51, in isolating, overlap the 52 and first connecting lever 8, wherein said isolation worm gear 6 is provided with the first driving bearing pin 61 that drives described isolation stop collar 51 to rotate towards the side of described isolation stop collar 51, 52 sides of overlapping in described isolation is crossed of described the first connecting lever 8 are provided with and drive described isolation to overlap second of 52 rotations in crossing to drive bearing pin 81, and described the first roll sleeve is fixed on the end of described the first connecting lever 8, described isolation stop collar 51, described isolation is overlapped 52 and is fixedly installed on described isolation main shaft 5 in crossing, described isolation worm gear 6 drives described isolation stop collar 51 to drive described isolation main shaft 5 to be rotated in the forward the energy storage of described isolation energy storage device under the driving of isolation worm screw 7, in crossing, moment releases can, in moment exoergic process, described isolation is overlapped 52 rotations and is encountered described the second driving bearing pin 81 and drive described the first connecting lever 8 rotations in crossing, described the first connecting lever 8 rotations, drive described roll sleeve 40 along the contour motion of described rail groove 41, and drive described output shaft 2 stroke of finishing the work.In the present embodiment, described isolation energy storage device comprises the isolation energy-storage crank arm 9 that is fixedly installed on described isolation main shaft 5 ends, and one end is connected with the end of described isolation energy-storage crank arm 9, the other end is fixed on the isolation energy-stored spring 10 on described housing 1, described isolation energy-stored spring 10 completes energy storage when described isolation main shaft 5 rotates with described isolation energy-storage crank arm 9, cross in, release energy.
Described ground connection-switch-on operating mechanism comprises the second roll sleeve being set in the second rail groove, controls described the second roll sleeve and slides in described the second rail groove, promotes described driver plate and rotates, and then drive the ground connection-closing control device of described output shaft rotation.In the present embodiment, described ground connection-closing control device has ground connection main shaft 11, described ground connection main shaft 11 is rotatably fixed on the wall of described housing 1, extend to the both sides of described housing 1 wall at the two ends of described ground connection main shaft 11, and the one end that is positioned at described housing 1 outside connects ground connection energy storage device, the one end that is positioned at described housing 1 inner side is arranged with the second connecting lever 14 successively, ground connection is crossed middle cover 112, ground connection stop collar 111 and ground connection worm gear 12, wherein said ground connection worm gear 12 is provided with the 3rd driving bearing pin 121 that drives described ground connection stop collar 111 to rotate towards the side of described ground connection stop collar 111, the crossing middle cover 112 sides towards described ground connection and be provided with and drive described ground connection to cross the 4 wheel driven untie-sell axle 141 that middle cover 112 rotates of described the second connecting lever 14, and described the second roll sleeve is fixed on the end of described the second connecting lever 14, described ground connection stop collar 111, described ground connection is crossed middle cover 112 and is fixedly installed on described ground connection main shaft 11, described ground connection worm gear 12 drives described ground connection stop collar 111 to drive described ground connection main shaft 11 to be rotated in the forward the energy storage of described ground connection energy storage device under the driving of ground connection worm screw 13, in crossing, moment releases can, in moment exoergic process, described ground connection is crossed middle cover 112 rotations and is encountered described 4 wheel driven untie-sell axle 141 and drive described the second connecting lever 14 rotations, described the second connecting lever 14 rotations, drive described roll sleeve 40 along the contour motion of described rail groove 41, and drive described output shaft 2 stroke of finishing the work.Described ground connection energy storage device comprises the ground connection energy-storage crank arm 15 that is fixedly installed on described ground connection main shaft 11 ends in the present embodiment, and one end is connected with the end of described ground connection energy-storage crank arm 15, the other end is fixed on the ground connection energy-stored spring 16 on described housing 1, described ground connection energy-stored spring 16 can complete energy storage when described ground connection main shaft 11 rotates with described ground connection energy-storage crank arm 15, cross in, release energy.
Described locking module comprises combined floodgate locking mechanism, ground connection locking mechanism, isolation locking mechanism, wherein
Combined floodgate locking mechanism comprises the first draw-in groove of the described tipper part end that is molded over described the first rail groove, and the second draw-in groove that is molded over the described straight-line groove part end of described the second rail groove, during "on" position, described the first draw-in groove locks described the first roll sleeve in wherein, and described the second draw-in groove locks described the second roll sleeve in wherein;
Ground connection locking mechanism comprises in the 3rd draw-in groove of the described straight-line groove part end that is molded over described the first rail groove, be molded in the 4th draw-in groove of described sloping portion end of described the second rail groove, described the 3rd draw-in groove locks described the first roll sleeve in wherein, and described the 4th draw-in groove locks described the second roll sleeve in wherein;
Isolation locking mechanism comprises the position limiting structure being arranged on described output shaft 2, and be arranged on the elastic locking structure on described housing 1, described output shaft 2 is when isolated location, and described position limiting structure is just in time aimed at described elastic locking structure in conjunction with the locking realizing described isolation.
Referring to Fig. 1, Fig. 3, described output shaft 2 is provided with the 3rd connecting lever 20, and the described position limiting structure of described isolation locking mechanism is for being provided with groove 201 in the end of described the 3rd connecting lever 20; Described elastic locking structure comprises push rod 17, spring 18, spring cavity 19, described spring cavity 19 is arranged on described housing 1, described push rod 17 can come and go and be arranged at slidably in described spring cavity 19, described spring 18 acts on described push rod 17 at described output shaft 2 during in described isolated location, described push rod 17 can head in described groove 201 and rotate with restriction output shaft 2 under the effect of described spring 18, thereby makes isolated location have more stable operating state.
In order to make isolated location keep the maintenance better effects if of module, ejecting of push rod 17, hold riveted joint to have top cover, described top cover has curved end, and the curved end of described top cover is suitable for heading in the groove 201 of described the 3rd connecting lever 20 ends.
Referring to Fig. 8, the present embodiment also comprises interlocking modules, described interlocking modules has the driving shaft 21 perpendicular to operating surface that is arranged on housing 1 top, one end that described driving shaft 21 is positioned at described operating surface is fixedly connected with rotating shaft weldment 22, the other end of described rotating shaft weldment 22 is connected with the connecting plate 23 of vertical setting, the lower end of described connecting plate 23 is connected with covering plate 24, described covering plate 24 covers on the front of operating mechanism of the present invention, in covering plate 24 position corresponding with worm screw 13 and worm screw 7, be provided with two through holes 241, 242, during described driving shaft 21 rotation, can drive described covering plate 24 to move up and down, make described through hole 241 and through hole 242 respectively over against or depart from described ground connection worm screw 13 and described isolation worm screw 7, and then can control worm screw 13 and whether worm screw 7 can manual rotation.
Referring to 1, Fig. 4, in the present embodiment, also comprise indicating module, described indicating module comprises the indication connecting lever 25 being socketed on output shaft 2, indicator board 27, and connecting the connecting plate 26 of described indication connecting lever 25 and described indicator board 27, indication connecting lever 25 turns to diverse location with described output shaft 2 and drives described indicator board 27 to turn an angle.Indicator board 27 in the present embodiment has three sections of angled plate faces, indicate successively from top to bottom " ground connection ", " dividing ", " closing ", be used to indicate when front output shaft 2 is respectively in different positions, by this set of modules, indication mechanism residing operating state position at that time clearly.
Referring to Fig. 7, described housing 1 is provided with travel switch 28, and the relevant position of output shaft 2 is arranged with connecting lever plate 29, and the end of described connecting lever plate 29 is provided with protuberance 291, and described protuberance 291 can contact and connect described travel switch 28 with described connecting lever plate 29 rotations.It is chain that this grip assembly is mainly used in electrical equipment, and only at three-station during in closing position, connecting lever plate 29 is rotated counterclockwise travel switch 28 is connected, and circuit breaker with matching can electric operating.
Also comprise and contribute to the isolated bit collocation structure of described output shaft 2 in isolation, described isolated bit collocation structure comprises the compensation connecting lever 31 being arranged on described output shaft 2, and one end is installed on described housing 1, the counterbalance spring 32 that the other end is connected with described compensation connecting lever, the spring force of described counterbalance spring 32 makes described output shaft 2 in isolation.
Referring to Fig. 1, Fig. 9, Figure 10, Figure 11, operation principle of the present invention is as follows:
Isolating switch making process:
Be rotated counterclockwise the described isolation worm screw 7 of isolating switch, drive described isolation turbine 6 to rotate, being arranged on described first on described isolation turbine 6 drives bearing pin 61 to drive described isolation stop collar 51 to rotate, and described isolation stop collar 51 links into an integrated entity by flat key with described isolation main shaft 5, and then drive described isolation main shaft 5, described energy-storage crank arm 9 to rotate, make described energy-stored spring 10 complete energy storage, cross in, release energy.In described energy-stored spring 10 exoergic process, by described energy-storage crank arm 9, drive described isolation main shaft 5 quick rotation; Because described isolation is overlapped 52 in crossing and is linked into an integrated entity by flat key with described isolation main shaft 5, therefore described isolation is overlapped 52 rotations in crossing, clashing into second on described the first connecting lever 8 drives bearing pin 81 to drive described the first connecting lever 8 to rotate, by described the first roll sleeve on described the first connecting lever 8,41 li of the described rail grooves of described driver plate 4, slide, thereby drive described driver plate 4 and described output shaft 2 to rotate, drive described output toggle arm 3 that combined floodgate merit and the impulse stroke needing is externally provided.
Isolating switch separating brake process:
Isolating switch separating brake process is identical with isolating switch making process transmission order, but opposite direction.The turn clockwise described isolation worm screw 7 of isolating switch, drives described isolation turbine 6 to rotate, and is arranged on described first on described isolation turbine 6 and drives bearing pin 61 to drive described isolation stop collar 51 to rotate.And described isolation stop collar 51 links into an integrated entity by flat key with described isolation main shaft 8, and then drive described isolation main shaft 5, described energy-storage crank arm 9 to rotate, make described energy-stored spring 10 complete energy storage, cross in, release energy.In described energy-stored spring 10 exoergic process, by described energy-storage crank arm 9, drive described isolation main shaft 5 quick rotation, described isolation is overlapped 52 and is linked into an integrated entity by flat key with described isolation main shaft 5 in crossing, therefore described isolation is overlapped 52 rotations in crossing, and clashes into described second on described the second connecting lever 8 and drives bearing pin 81 to drive described the first connecting lever 8 to rotate.Thereby by described the first roll sleeve 40 on described the first connecting lever 8,41 li of the described rail grooves of described driver plate 4, slide and drive described driver plate 4 and described output shaft 2 to rotate, drive described output toggle arm 3 that separating brake merit and the impulse stroke needing is externally provided.
Earthed switch making process:
Be rotated counterclockwise the described ground connection worm screw 13 of isolating switch, drive described ground connection turbine 12 to rotate, described the 3rd bearing pin 121 being arranged on described ground connection turbine 12 drives described ground connection stop collar 111 to rotate.And described ground connection stop collar 111 links into an integrated entity by flat key with described ground connection main shaft 11, and then drive described ground connection main shaft 11, described energy-storage crank arm 15 to rotate, make described energy-stored spring 16 complete energy storage, cross in, release energy.In described energy-stored spring 16 exoergic process, by described energy-storage crank arm 15, drive described ground connection main shaft 11 quick rotation, described ground connection is crossed middle cover 112 and is linked into an integrated entity by flat key with described ground connection main shaft 11, therefore described ground connection is crossed middle cover 112 rotations, and the described 4 wheel driven untie-sell axle 141 clashing on described the second connecting lever 14 drives described the second connecting lever 14 to rotate.By the second roll sleeve on described the second connecting lever 14,41 li of the described rail grooves of described driver plate 4, slide, thereby drive described driver plate 4 and described output shaft 2 to rotate, drive the described connecting lever 3 of output that combined floodgate merit and the impulse stroke needing is externally provided.
Grounding switch tripping process:
Grounding switch tripping process is identical with earthed switch making process transmission order, but opposite direction.The turn clockwise described ground connection worm screw 13 of isolating switch, drives described ground connection turbine 12 to rotate, and is arranged on the described the 3rd on described ground connection turbine 12 and drives bearing pin 121 to drive described ground connection stop collar 111 to rotate.And described ground connection stop collar 111 links into an integrated entity by flat key with described ground connection main shaft 11, and then drive described ground connection main shaft 11, described energy-storage crank arm 15 to rotate, make described energy-stored spring 16 complete energy storage, cross in, release energy.In described energy-stored spring 16 exoergic process, by described energy-storage crank arm 15, drive described ground connection main shaft 11 quick rotation, because described ground connection is crossed middle cover 112 and is linked into an integrated entity by flat key with described ground connection main shaft 11, therefore described ground connection is crossed middle cover 112 rotations, and the described 4 wheel driven untie-sell axle 141 clashing on described the second connecting lever 14 drives described the 4th connecting lever 14 to rotate.By the second roll sleeve on described the 4th connecting lever 14,41 li of the rail grooves of described driver plate 4, slide, thereby drive described driver plate 4 and described output shaft 2 to rotate, drive described output toggle arm 3 that separating brake merit and the impulse stroke needing is externally provided.
Above-mentioned embodiment is just explained in detail technical scheme of the present invention; the present invention has more than and is only confined to above-described embodiment; those skilled in the art should be understood that; the above-mentioned principle of every foundation and the improvement of spirit on basis of the present invention, substitute, all should be within protection scope of the present invention.
Claims (11)
1. three station vacuum interrupter operating mechanisms, comprising:
Housing (1);
Output module, described output module has output shaft (2), and described output shaft (2) is horizontally set with at described housing (1) upper, and the end of described output shaft (2) is fixedly connected with output toggle arm (3);
Operational module, described operational module is controlled the rotation of described output shaft (2), makes described output toggle arm (3) between isolation, ground connection, combined floodgate three stations, swing combined floodgate, the separating brake of combined floodgate, separating brake or the ground connection of realizing isolation;
Locking module, described locking module locks the described output toggle arm (3) in isolation, ground connection, combined floodgate station position;
It is characterized in that: described operational module comprises
Driver plate (4), described driver plate (4) one end is sheathed to be connected on described output shaft (2), on the other end, form two rail grooves (41), described rail groove (41) comprises the straight-line groove part of afterbody and the tipper part of head, and described tipper part is in the one end towards described output shaft (2), rail groove described in two (41) is to cross the straight line mirror image in described output shaft (2) axle center and described tipper part towards the form setting of external expansion;
Isolation-switch-on operating mechanism, comprises the first roll sleeve being set in the first rail groove, controls described the first roll sleeve and slides in described the first rail groove, promotes described driver plate (4) and rotates, and then drive the isolation-closing control device of described output shaft rotation;
Ground connection-switch-on operating mechanism, comprise the second roll sleeve being set in the second rail groove, control described the second roll sleeve and slide in described the second rail groove, promote described driver plate (4) and rotate backward, and then drive the counter-rotational ground connection-closing control device of described output shaft;
Described locking module comprises
Combined floodgate locking mechanism comprises the first draw-in groove of the described tipper part end that is molded over described the first rail groove, and the second draw-in groove that is molded over the described straight-line groove part end of described the second rail groove, during "on" position, described the first draw-in groove locks described the first roll sleeve in wherein, and described the second draw-in groove locks described the second roll sleeve in wherein;
Ground connection locking mechanism comprises in the 3rd draw-in groove of the described straight-line groove part end that is molded over described the first rail groove, be molded in the 4th draw-in groove of described sloping portion end of described the second rail groove, described the 3rd draw-in groove locks described the first roll sleeve in wherein, and described the 4th draw-in groove locks described the second roll sleeve in wherein;
Isolation locking mechanism comprises the position limiting structure being arranged on described output shaft (2), and be arranged on the elastic locking structure on described housing (1), described output shaft (2) is when isolated location, and described position limiting structure is just in time aimed at described elastic locking structure in conjunction with the locking realizing described isolation.
2. a kind of three station vacuum interrupter operating mechanisms according to claim 1, it is characterized in that: described isolation-closing control device comprises isolation main shaft (5), described isolation main shaft (5) is rotatably fixed on the wall of described housing (1), and the wall of described housing (1) is stretched out at the two ends of described main shaft (5), one end that described isolation main shaft (5) is positioned at described housing (1) outside connects isolation energy storage device, one end that described isolation main shaft (5) is positioned at described housing (1) inner side is arranged with isolation worm gear (6) successively, isolation stop collar (51), cover (52) and the first connecting lever (8) in isolating, wherein said isolation worm gear (6) is provided with the first driving bearing pin (61) that drives described isolation stop collar (51) to rotate towards the side of described isolation stop collar (51), cover (52) side in described isolation is crossed of described the first connecting lever (8) be provided with drive described isolation cross in cover (52) rotate second drive bearing pin (81), and described the first roll sleeve is fixed on the end of described the first connecting lever (8), described isolation stop collar (51), described isolation is overlapped (52) in crossing and is fixedly installed on described isolation main shaft (5), the energy storage that described isolation worm gear (6) drives described isolation stop collar (51) to drive described isolation main shaft (5) to rotate described isolation energy storage device under the driving of isolation worm screw (7), in crossing, moment releases can, in moment exoergic process, described isolation is overlapped (52) rotation and is encountered described the second driving bearing pin (81) and drive described the first connecting lever (8) rotation in crossing.
3. a kind of three station vacuum interrupter operating mechanisms according to claim 2, it is characterized in that: described isolation energy storage device comprises the isolation energy-storage crank arm (9) that is fixedly installed on described isolation main shaft (5) end, and one end is connected with the end of described isolation energy-storage crank arm (9), the other end is fixed on the isolation energy-stored spring (10) on described housing (1), described isolation energy-stored spring (10) completes energy storage when described isolation main shaft (5) rotates with described isolation energy-storage crank arm (9), cross in, release energy.
4. a kind of three station vacuum interrupter operating mechanisms according to claim 3, it is characterized in that: described ground connection-closing control device has ground connection main shaft (11), described ground connection main shaft (11) is rotatably fixed on the wall of described housing (1), extend to the both sides of described housing (1) wall at the two ends of described ground connection main shaft (11), and the one end that is positioned at described housing (1) outside connects ground connection energy storage device, the one end that is positioned at described housing (1) inner side is arranged with the second connecting lever (14) successively, ground connection is crossed middle cover (112), ground connection stop collar (111) and ground connection worm gear (12), wherein said ground connection worm gear (12) is provided with the 3rd driving bearing pin (121) that drives described ground connection stop collar (111) to rotate towards the side of described ground connection stop collar (111), the crossing middle cover (112) side towards described ground connection and be provided with and drive described ground connection to cross the 4 wheel driven untie-sell axle (141) that middle cover (112) rotates of described the second connecting lever (14), and described the second roll sleeve is fixed on the end of described the second connecting lever (14), described ground connection stop collar (111), described ground connection is crossed middle cover (112) and is fixedly installed on described ground connection main shaft (11), described ground connection worm gear (12) drives described ground connection stop collar (111) to drive described ground connection main shaft (11) to be rotated in the forward the energy storage of described ground connection energy storage device under the driving of ground connection worm screw (13), in crossing, moment releases can, in moment exoergic process, described ground connection is crossed middle cover (112) rotation and is encountered described 4 wheel driven untie-sell axle (141) and drive described the second connecting lever (14) rotation.
5. a kind of three station vacuum interrupter operating mechanisms according to claim 4, it is characterized in that: described ground connection energy storage device comprises the ground connection energy-storage crank arm (15) that is fixedly installed on described ground connection main shaft (11) end, and one end is connected with the end of described ground connection energy-storage crank arm (15), the other end is fixed on the ground connection energy-stored spring (16) on described housing (1), described ground connection energy-stored spring (16) can complete with described ground connection energy-storage crank arm (15) energy storage when described ground connection main shaft (11) rotates, cross in, release energy.
6. according to a kind of three station vacuum interrupter operating mechanisms described in claim 1-5 any one claim, it is characterized in that: described output shaft (2) is provided with the 3rd connecting lever (20), the described position limiting structure of described isolation locking mechanism is provided with groove (201) for being molded over the end of described the 3rd connecting lever (20); Described elastic locking structure comprises push rod (17), spring (18), spring cavity (19), described spring cavity (19) is arranged on described housing (1), described push rod (17) can come and go and be arranged at slidably in described spring cavity (19), described spring (18) acts on described push rod (17), at described output shaft (2), during in described isolated location, described push rod (17) can head in described groove (201) under the effect of described spring (18).
7. a kind of three station vacuum interrupter operating mechanisms according to claim 6, it is characterized in that: the end riveted joint that ejects of described push rod (17) has top cover, described top cover has curved end, and the curved end of described top cover is suitable for heading in the groove (201) of described the 3rd connecting lever (20) end.
8. according to a kind of three station vacuum interrupter operating mechanisms described in claim 4 or 5, it is characterized in that: also comprise interlocking modules, described interlocking modules has the driving shaft perpendicular to operating surface (21) that is arranged on described housing (1) top, one end that described driving shaft (21) is positioned at described operating surface is fixedly connected with rotating shaft weldment (22), the other end of described rotating shaft weldment (22) is connected with the connecting plate (23) of vertical setting, the lower end of described connecting plate (23) is connected with covering plate (24), described covering plate (24) position upper and that described isolation worm screw (7) is corresponding is provided with a through hole (242), the position corresponding with described ground connection worm screw (13) is provided with a through hole (241), during described driving shaft (21) rotation, can drive described covering plate (24) to move up and down.
9. a kind of three station vacuum interrupter operating mechanisms according to claim 1, it is characterized in that: also comprise indicating module, described indicating module comprises the indication connecting lever (25) being socketed on described output shaft (2), indicator board (27), and connecting the connecting plate (26) of described indication connecting lever (25) and described indicator board (27), described indication connecting lever (25) turns to different station with described output shaft (2) and drives described indicator board (27) to rotate indication station state of living in.
10. a kind of three station vacuum interrupter operating mechanisms according to claim 1, it is characterized in that: described housing (1) is provided with travel switch (28), the relevant position of described output shaft (2) is arranged with connecting lever plate (29), the end of described connecting lever plate (29) is provided with protuberance (291), and described protuberance (291) can contact and connect described travel switch (28) with described connecting lever plate (29) rotation.
11. a kind of three station vacuum interrupter operating mechanisms according to claim 1, it is characterized in that: also comprise and contribute to the isolated bit collocation structure of described output shaft (2) in isolation, described isolated bit collocation structure comprises the compensation connecting lever (31) being arranged on described output shaft (2), and one end is installed on described housing (1), the counterbalance spring (32) that the other end is connected with described compensation connecting lever, the spring force of described counterbalance spring (32) makes described output shaft (2) in isolation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310162141.9A CN103208397B (en) | 2013-05-06 | 2013-05-06 | Three-station operating mechanism for vacuum disconnecting switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310162141.9A CN103208397B (en) | 2013-05-06 | 2013-05-06 | Three-station operating mechanism for vacuum disconnecting switch |
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| CN103208397A CN103208397A (en) | 2013-07-17 |
| CN103208397B true CN103208397B (en) | 2014-12-03 |
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| CN201310162141.9A Active CN103208397B (en) | 2013-05-06 | 2013-05-06 | Three-station operating mechanism for vacuum disconnecting switch |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108807037B (en) * | 2018-06-15 | 2024-01-09 | 宏秀电气有限公司 | Separating brake interlocking mechanism of pole-mounted switch |
| CN109378248B (en) * | 2018-12-10 | 2023-11-28 | 法腾电力装备江苏有限公司 | Three-station isolating switch for forward installation of small high-voltage cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201812690U (en) * | 2010-09-17 | 2011-04-27 | 廖明厚 | Three-station mechanism for realizing quick tripping |
| CN201829404U (en) * | 2010-10-15 | 2011-05-11 | 常熟市通润开关厂有限公司 | Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears |
| CN203192691U (en) * | 2013-05-06 | 2013-09-11 | 浙江华仪电器科技有限公司 | Operating mechanism for three-position vacuum interrupter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5367594B2 (en) * | 2010-01-13 | 2013-12-11 | 株式会社東芝 | Switch operating device |
| WO2013030846A2 (en) * | 2011-09-02 | 2013-03-07 | Crompton Greaves Limited, | A control mechanism for a switchgear equipment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201812690U (en) * | 2010-09-17 | 2011-04-27 | 廖明厚 | Three-station mechanism for realizing quick tripping |
| CN201829404U (en) * | 2010-10-15 | 2011-05-11 | 常熟市通润开关厂有限公司 | Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears |
| CN203192691U (en) * | 2013-05-06 | 2013-09-11 | 浙江华仪电器科技有限公司 | Operating mechanism for three-position vacuum interrupter |
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| Title |
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| JP特开2011-146199A 2011.07.28 * |
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