CN203192691U - Operating mechanism for three-position vacuum interrupter - Google Patents

Operating mechanism for three-position vacuum interrupter Download PDF

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Publication number
CN203192691U
CN203192691U CN 201320238001 CN201320238001U CN203192691U CN 203192691 U CN203192691 U CN 203192691U CN 201320238001 CN201320238001 CN 201320238001 CN 201320238001 U CN201320238001 U CN 201320238001U CN 203192691 U CN203192691 U CN 203192691U
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China
Prior art keywords
isolation
ground connection
lever
output shaft
energy storage
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Withdrawn - After Issue
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CN 201320238001
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Chinese (zh)
Inventor
郑海光
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Zhejiang Huayi Electrical Appliance Technology Co Ltd
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Zhejiang Huayi Electrical Appliance Technology Co Ltd
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Priority to CN 201320238001 priority Critical patent/CN203192691U/en
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Publication of CN203192691U publication Critical patent/CN203192691U/en
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Abstract

The utility model discloses an operating mechanism for a three-position vacuum interrupter. The mechanism includes a housing, an output module, an operation module and a lock module; track grooves are arranged respectively at the two sides of a drive plate; one end, close to the drive plate, of the operation module is provided with roll sleeves which are capable of driving, along the track grooves, the drive plate to rotate so that an output shaft is driven to rotate. The operating mechanism for the three-position vacuum interrupter is capable of retaining the closed position with a force of thousands of Newtons, and has an output movement curve which conforms to characteristics of vacuum tubes. More importantly, fast switch-on/switch-off of the three positions can be realized.

Description

A kind of three station vacuum interrupter operating mechanisms
Technical field
The utility model relates to the high voltage switchgear field, particularly relates to a kind of three station vacuum interrupter operating mechanisms.
Background technology
Now put into operation ring main unit based on the inflation cabinet, and be mostly the knife switch structure, its short circuit pass is closed from number of times and ability all lower, and some also adopts three station operating mechanisms its isolation earthing switch.
A kind of Cubicle Gas-Insulated Switchgear three station manipulations and interlock are disclosed as Chinese patent literature CN102456503, this utility model comprises mechanism case, be installed on the mechanism case main shaft by driven by motor, the connecting lever that main shaft is terminal and mechanism case is outer is connected, the top of main shaft is provided with first interlocking gear, the head end of this first interlocking gear is connected with mechanism case baffle plate outward, when baffle plate is in plumbness, cover the head end of main shaft, be provided with movable frid between first interlocking shaft and the main shaft, one end of movable frid is connected with main shaft, the both sides of first interlocking shaft also are provided with first line shaft parallel with the first chain axle by the groove active link of axle with movable frid in the both sides in the first chain week; The utility model also has auxiliary chain axle, 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, drives connection, isolation, the ground connection that connecting lever rotates to realize switch and use rotating shaft instead, and then finishes the control to circuit.The traditional relatively ring main unit technology of the prior art has advantage simple in structure, that 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, be to be undertaken by on main shaft, inserting the handle rotation, therefore, belong to Slow-disconnecting and slow-connecting mechanism, can not satisfy circuit breaker to the requirement of switch divide-shut brake speed (combined floodgate 0.6m/s, separating brake 1.2m/s); 2, the locking to ground connection, isolation, three positions of combined floodgate only is to be close to first chain axle and first line shaft by second line shaft in the prior art, the first chain axle can't rotate, baffle plate on the first chain axle can't move realization, therefore, thereby being close to the first chain axle by second line shaft makes it to rotate the locking that realizes, its latching force is limited, can not reach the positive lock of thousands of oxen.
The utility model content
For this reason, it is little with the locking confining force to the latch-up structure of ground connection, isolation, three positions of combined floodgate in the operating mechanism that the technical problems to be solved in the utility model is three station vacuum interrupters of the prior art, 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.
A kind of three station vacuum interrupter operating mechanisms of dividing soon soon closing a floodgate can realized further are provided.
For achieving the above object, the utility model is by the following technical solutions: a kind of three station vacuum interrupter operating mechanisms comprise:
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 realized isolating combined floodgate, separating brake or contact of earth, separating brake;
Locking module, described locking module locks the described output toggle arm that is in isolation, ground connection, combined floodgate station position;
Described operational module comprises
Dial, described dial one end is sheathed to be connected on the described output shaft, form two rail grooves on the other end, described rail groove comprises the straight-line groove part of afterbody and the tipper part of head, and described tipper partly is in the end towards described output shaft, straight line mirror image and the described tipper part outwardly form setting of expansion of two described rail grooves to cross described output shaft axle center;
Isolation-switch-on operating mechanism comprises first roll sleeve that is set in first rail groove, controls described first roll sleeve and slides in described first rail groove, promotes described dial and rotates, and then drive isolation-combined floodgate control device that described output shaft rotates;
Ground connection-switch-on operating mechanism comprises second roll sleeve that is set in second rail groove, controls described second roll sleeve and slides in described second rail groove, promotes described dial backward rotation, and then drives the counter-rotational ground connection of described output shaft-combined floodgate control device;
Described locking module comprises
The combined floodgate locking mechanism comprises first draw-in groove at the place, described tipper part end that is molded over described first rail groove, and second draw-in groove that is molded over the place, described straight-line groove part end of described second rail groove, during "on" position, described first draw-in groove locks described first roll sleeve that is in wherein, and described second draw-in groove locks described second roll sleeve that is in wherein;
The ground connection locking mechanism comprises in the 3rd draw-in groove at the place, described straight-line groove part end that is molded over described first rail groove, be molded in the 4th draw-in groove at described sloping portion end place of described second rail groove, described the 3rd draw-in groove locks described first roll sleeve that is in wherein, and described the 4th draw-in groove locks described second roll sleeve that is in wherein;
Isolate locking mechanism and comprise the position limiting structure that is arranged on the described output shaft, and be installed in elastic locking structure on the described housing, when described output shaft was in the isolated location, described position limiting structure was just in time aimed at described elastic locking structure in conjunction with the locking that realizes described isolation.
Described isolation-combined floodgate control device comprises the isolation main shaft, and described isolation main shaft is rotatable to be fixed on the wall of described housing, and the wall of described housing is stretched out at the two ends of described main shaft; The end that described isolation main shaft is positioned at described hull outside connects the isolation energy storage device, the end that described isolation main shaft is positioned at described housing inboard is arranged with the isolation worm gear successively, isolate stop collar, cover and first connecting lever in isolating, wherein said isolation worm gear is provided with towards the side of described isolation stop collar and drives the first driving bearing pin that described isolation stop collar rotates, the cover side in described isolation is crossed of described first connecting lever be provided with drive described isolation cross in cover rotate second drive bearing pin, and described first roll sleeve is fixed on the end of described first connecting lever, described isolation stop collar, cover was fixedly installed on the described isolation main shaft during described isolation was crossed, described isolation worm gear described isolation stop collar of driving under the driving of isolating worm screw drives described isolation main shaft and is rotated in the forward the energy storage of finishing described isolation energy storage device, in crossing, moment releases can, in the moment exoergic process, the cover rotation was run into described second and is driven bearing pin and drive described first connecting lever rotation during described isolation was crossed.
Described isolation energy storage device comprises the isolation energy storage connecting lever that is fixedly installed on described isolation spindle nose, and an end is connected with the end of described isolation energy storage connecting lever, the other end is fixed on the isolation energy-stored spring on the described housing, described isolation energy-stored spring is finished energy storage, crossed with described isolation energy storage connecting lever when described isolation main shaft rotates in, release energy.
Described ground connection-combined floodgate control device has the ground connection main shaft, described ground connection main shaft is rotatable to be 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 an end that is positioned at described hull outside connects the ground connection energy storage device, an end that is positioned at described housing inboard is arranged with 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 towards the side of described ground connection stop collar and drives the 3rd driving bearing pin that described ground connection stop collar rotates, the cover side in described ground connection is crossed of described second connecting lever is provided with and drives the 4 wheel driven untie-sell axle that described ground connection is crossed middle cover rotation, and described second roll sleeve is fixed on the end of described second connecting lever, described ground connection stop collar, cover was fixedly installed on the described ground connection main shaft during described ground connection was crossed, described ground connection worm gear drives described ground connection stop collar and drives described ground connection main shaft and be rotated in the forward the energy storage of finishing described ground connection energy storage device under the driving of ground connection worm screw, in crossing, moment releases can, in the moment exoergic process, the cover rotation was run into described 4 wheel driven untie-sell axle and is driven described second connecting lever rotation during described ground connection was crossed.
Described ground connection energy storage device comprises the ground connection energy storage connecting lever that is fixedly installed on described ground connection spindle nose, and an end is connected with the end of described ground connection energy storage connecting lever, the other end is fixed on the ground connection energy-stored spring on the described housing, described ground connection energy-stored spring can finish energy storage with described ground connection energy storage connecting lever when described ground connection main shaft rotates, 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 the described spring cavity, described spring action on the described push rod when described output shaft is in described isolated location, described push rod can head in the described groove under the effect of described spring.
The end riveted joint that ejects of described push rod has the 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, the end that described driving shaft is positioned at described operating surface is fixedly connected with the 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, and described driving shaft can drive described covering plate when rotating and move up and down.
Also comprise indicating module, described indicating module comprises the indication connecting lever that is socketed on the described output shaft, indicator board, and the connecting plate of the described indication connecting lever of connection and described indicator board, described indication connecting lever turns to different station with described output shaft and drives described indicator board rotation indication station state of living in.
Described housing is provided with travel switch, and the relevant position of described output shaft is arranged with the connecting lever plate, and the end of described connecting lever plate is provided with protuberance, and described protuberance can contact with described connecting lever plate rotation and connect described travel switch.
Also include and help the isolation position collocation structure that described output shaft is in isolation, described isolation position collocation structure comprises the compensation connecting lever that is arranged on the described output shaft, and one end be installed on the 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 be in isolation.
The beneficial effects of the utility model are:
1. the rail groove of special shape is set in the dial in the utility model, can export the curve movement that meets vacuum-tube characteristic, the roll sleeve that draw-in groove in the dial is in it in the time of again can be reliably with ground connection, "on" position locks, thereby the hold facility of thousands of oxen has realized the practical application of three station vacuum tube isolation earthing switch in solid ring main unit field when realizing combined floodgate and earthing position.
2. acting all realizes by energy storage device to output shaft for isolation module of the present utility model and earthing module, this energy storage device comprises the energy storage connecting lever that is fixedly installed on described spindle nose, and an end is connected with the end of energy storage connecting lever, the other end is fixed on the energy-stored spring on the described housing, described energy-stored spring is finished energy storage with described energy storage connecting lever when described main shaft rotates after, under the effect of elastic force, can apply a revolving force to main shaft rapidly, rotate rapidly thereby drive dial, and then output shaft is externally done work.This set only need pass through rotary worm, just can realize isolating combined floodgate, sub-switching operation and contact of earth, sub-switching operation can realize that fast branch closes soon, thereby satisfies circuit breaker to the requirement of switch divide-shut brake speed (combined floodgate 0.6m/s, separating brake 1.2m/s).
3. the utility model design has the isolated location to keep module, the 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 the spring cavity, and push rod can be flexible along the direction over against the output shaft axle center; Connecting lever is set on the described output shaft, and the end of described connecting lever is provided with groove, and described push rod can head in the described groove.When output shaft turned to the isolated location, push rod headed under the effect of spring force in the groove of connecting lever end like this, and the restriction output shaft rotates, thereby had guaranteed the fail safe of isolated location.
Description of drawings
Clearly understood for the content that makes utility model is easier, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is structural representation of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is the cutaway view that the utility model keeps module;
Fig. 4 is that the A-A of the utility model Fig. 1 is to view;
Fig. 5 is that the B-B of the utility model Fig. 1 is to view;
Fig. 6 is that the C-C of the utility model Fig. 1 is to view;
Fig. 7 is that the D-D of the utility model Fig. 1 is to view;
Fig. 8 is the utility model indicating module positional structure schematic diagram;
Fig. 9 is the structural representation at the utility model dial place when being in the isolated location;
Figure 10 is the structural representation at the utility model dial place when being in closing position;
Figure 11 is the structural representation at the utility model dial place when being in earthing position.
Reference numeral is expressed as among the figure:
The 1-housing, 2-output shaft, 3-output toggle arm, 4-dial, the 40-roll sleeve, the 41-rail groove, 5-isolates main shaft, and 51-isolates stop collar, 52-overlapped in isolating, and 6-isolates worm gear, and 61-first drives bearing pin, 7-isolates worm screw, 8-first connecting lever, and 81-second drives bearing pin, 9-energy storage connecting lever, 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-second connecting lever, 141-4 wheel driven untie-sell axle, 15-energy storage connecting lever, 16-energy-stored spring, the 17-push rod, 18-spring, 19-spring cavity, 241, the 242-worm hole, 20-the 3rd connecting lever, 201-groove, the 21-driving shaft, 22-rotating shaft weldment, 23-connecting plate, the 24-covering plate, 25-indicates connecting lever, 26-connecting plate, the 27-indicator board, 28-travel switch, 29-connecting lever plate, the 291-protuberance, 31-compensates connecting lever, 32-counterbalance spring.
Embodiment
Referring to Fig. 1-7, three station vacuum interrupters of 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 dial 4, isolation-switch-on operating mechanism, and ground connection-switch-on operating mechanism, wherein
Described dial 4 one ends are sheathed to be connected on the described output shaft 2, form two rail grooves 41 on the other end, described rail groove 41 comprises the straight-line groove part of afterbody and the tipper part of head, and described tipper partly is in the end towards described output shaft 2, straight line mirror image and the described tipper part outwardly form setting of expansion of two described rail grooves 41 to cross described output shaft axle center;
Described isolation-switch-on operating mechanism comprises first roll sleeve that is set in first rail groove, controls described first roll sleeve and slides in described first rail groove, promotes described dial 4 and rotates, and then drive isolation-combined floodgate control device that described output shaft rotates; In the present embodiment, described isolation-preferred mechanism of combined floodgate control device is: comprise and isolate main shaft 5, and described isolation main shaft 5 rotatable being fixed on the wall of described housing 1, the wall of described housing 1 is stretched out at the two ends of described main shaft 5; The end that described isolation main shaft 5 is positioned at described housing 1 outside connects the isolation energy storage device, the end that described isolation main shaft 5 is positioned at described housing 1 inboard is arranged with isolation worm gear 6 successively, isolate stop collar 51, cover 52 and first connecting lever 8 in isolating, wherein said isolation worm gear 6 is provided with towards the side of described isolation stop collar 51 and drives the first driving bearing pin 61 that described isolation stop collar 51 rotates, cover 52 sides in described isolation is crossed of described first connecting lever 8 be provided with drive described isolation cross in cover 52 rotate second drive bearing pins 81, and described first roll sleeve is fixed on the end of described first connecting lever 8, described isolation stop collar 51, cover 52 was fixedly installed on the described isolation main shaft 5 during described isolation was crossed, described isolation worm gear 6 drives the described isolation main shaft 5 of described isolation stop collar 51 drives and is rotated in the forward the energy storage of finishing described isolation energy storage device under the driving of isolating worm screw 7, in crossing, moment releases can, in the moment exoergic process, cover 52 rotations were run into the described second driving bearing pin 81 and are driven 8 rotations of described first connecting lever during described isolation was crossed, 8 rotations of described first connecting lever, 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 connecting lever 9 that is fixedly installed on described isolation main shaft 5 ends, and an end is connected with the end of described isolation energy storage connecting lever 9, the other end is fixed on the isolation energy-stored spring 10 on the described housing 1, described isolation energy-stored spring 10 is finished energy storage, crossed with described isolation energy storage connecting lever 9 when described isolation main shaft 5 rotates in, release energy.
Described ground connection-switch-on operating mechanism comprises second roll sleeve that is set in second rail groove, controls described second roll sleeve and slides in described second rail groove, promotes described dial and rotates, and then drive ground connection-combined floodgate control device that described output shaft rotates.In the present embodiment, described ground connection-combined floodgate control device has ground connection main shaft 11, described ground connection main shaft 11 rotatable being 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 an end that is positioned at described housing 1 outside connects the ground connection energy storage device, an end that is positioned at described housing 1 inboard is arranged with second connecting lever 14 successively, cover 112 during ground connection is crossed, ground connection stop collar 111 and ground connection worm gear 12, wherein said ground connection worm gear 12 is provided with towards the side of described ground connection stop collar 111 and drives the 3rd driving bearing pin 121 that described ground connection stop collar 111 rotates, cover 112 sides in described ground connection is crossed of described second connecting lever 14 are provided with and drive the 4 wheel driven untie-sell axles 141 that described ground connection is crossed middle cover 112 rotations, and described second roll sleeve is fixed on the end of described second connecting lever 14, described ground connection stop collar 111, cover 112 was fixedly installed on the described ground connection main shaft 11 during described ground connection was crossed, described ground connection worm gear 12 drives the described ground connection main shaft 11 of described ground connection stop collar 111 drives and is rotated in the forward the energy storage of finishing described ground connection energy storage device under the driving of ground connection worm screw 13, in crossing, moment releases can, in the moment exoergic process, cover 112 rotations were run into described 4 wheel driven untie-sell axle 141 and are driven 14 rotations of described second connecting lever during described ground connection was crossed, 14 rotations of described second connecting lever, 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 connecting lever 15 that is fixedly installed on described ground connection main shaft 11 ends in the present embodiment, and an end is connected with the end of described ground connection energy storage connecting lever 15, the other end is fixed on the ground connection energy-stored spring 16 on the described housing 1, described ground connection energy-stored spring 16 can finish energy storage with described ground connection energy storage connecting lever 15 when described ground connection main shaft 11 rotates, cross in, release energy.
Described locking module comprises combined floodgate locking mechanism, ground connection locking mechanism, isolates locking mechanism, wherein
The combined floodgate locking mechanism comprises first draw-in groove at the place, described tipper part end that is molded over described first rail groove, and second draw-in groove that is molded over the place, described straight-line groove part end of described second rail groove, during "on" position, described first draw-in groove locks described first roll sleeve that is in wherein, and described second draw-in groove locks described second roll sleeve that is in wherein;
The ground connection locking mechanism comprises in the 3rd draw-in groove at the place, described straight-line groove part end that is molded over described first rail groove, be molded in the 4th draw-in groove at described sloping portion end place of described second rail groove, described the 3rd draw-in groove locks described first roll sleeve that is in wherein, and described the 4th draw-in groove locks described second roll sleeve that is in wherein;
Isolate locking mechanism and comprise the position limiting structure that is arranged on the described output shaft 2, and be installed in elastic locking structure on the described housing 1, when described output shaft 2 was in the isolated location, described position limiting structure was just in time aimed at described elastic locking structure in conjunction with the locking that realizes 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 the described housing 1, described push rod 17 can come and go and be arranged at slidably in the described spring cavity 19, described spring 18 acts on the described push rod 17 when described output shaft 2 is in described isolated location, described push rod 17 can head under the effect of described spring 18 in the described groove 201 and rotate with restriction output shaft 2, thereby makes the isolated location have more stable operating state.
In order to make the isolated location keep the maintenance better effects if of module, hold riveted joint that the top cover is arranged ejecting of push rod 17, described top cover has curved end, and the curved end that described top is overlapped is suitable for heading in the groove 201 of described the 3rd connecting lever 20 ends.
Referring to Fig. 8, 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, the 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 utility model, in the corresponding position of covering plate 24 and worm screw 13 and worm screw 7, be provided with two through holes 241,242, described driving shaft 21 can drive described covering plate 24 when rotating and 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 manually rotate.
Referring to 1, Fig. 4, also comprise indicating module in the present embodiment, described indicating module comprises the indication connecting lever 25 that is socketed on the 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 and turn an angle.Indicator board 27 in the present embodiment has three sections angled plate faces, indicate " ground connection ", " branch ", " closing " from top to bottom successively, be used to indicate when front output shaft 2 and be in different positions respectively, 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 with described connecting lever plate 29 rotations and connect described travel switch 28.It is chain that this grip assembly is mainly used in electrical equipment, and only when three-station was in closing position, connecting lever plate 29 was rotated counterclockwise travel switch 28 is connected, and circuit breaker with matching can electric operating.
Also include and help the isolation position collocation structure that described output shaft 2 is in isolation, described isolation position collocation structure comprises the compensation connecting lever 31 that is arranged on the described output shaft 2, and one end be installed on the 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 make described output shaft 2 be in isolation.
Referring to Fig. 1, Fig. 9, Figure 10, Figure 11, operation principle of the present utility model is as follows:
The isolating switch making process:
Be rotated counterclockwise the described isolation worm screw 7 of isolating switch, driving described isolation turbine 6 rotates, be installed in described first on the described isolation turbine 6 and drive described isolation stop collar 51 rotations of bearing pin 61 drivings, 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 connecting lever 9 and rotate, make described energy-stored spring 10 finish energy storage, cross in, release energy.In described energy-stored spring 10 exoergic process, drive described isolation main shaft 5 quick rotation by described energy storage connecting lever 9; Because cover 52 and described isolation main shaft 5 linked into an integrated entity by flat key during described isolation was crossed, therefore cover 52 rotated during described isolation was crossed, clash into second on described first connecting lever 8 and drive 8 rotations of described first connecting lever of bearing pin 81 drivings, slide for 41 li by the described rail groove of described first roll sleeve on described first connecting lever 8 at described dial 4, thereby drive described dial 4 and 2 rotations of described output shaft, drive combined floodgate merit and impulse stroke that described output toggle arm 3 externally provides to be needed.
Isolating switch separating brake process:
Isolating switch separating brake process is identical with isolating switch making process transmission order, but direction is opposite.The turn clockwise described isolation worm screw 7 of isolating switch drives described isolation turbine 6 and rotates, and is installed in described first on the described isolation turbine 6 and drives bearing pin 61 and drive described isolation stop collar 51 and rotate.And described isolation stop collar 51 links into an integrated entity by flat key with described isolation main shaft 8, so drive described isolation main shaft 5, described energy storage connecting lever 9 rotates, make described energy-stored spring 10 finish energy storage, cross in, release energy.In described energy-stored spring 10 exoergic process, drive described isolation main shaft 5 quick rotation by described energy storage connecting lever 9, cover 52 and described isolation main shaft 5 linked into an integrated entity by flat key during described isolation was crossed, therefore cover 52 rotated during described isolation was crossed, and described first connecting lever 8 of the described second driving bearing pin 81 drivings that clashes on described second connecting lever 8 rotates.Thereby slide for 41 li at the described rail groove of described dial 4 by described first roll sleeve 40 on described first connecting lever 8 and to drive described dial 4 and described output shaft 2 rotates, drive separating brake merit and impulse stroke that described output toggle arm 3 externally provides to be needed.
The earthed switch making process:
Be rotated counterclockwise the described ground connection worm screw 13 of isolating switch, drive described ground connection turbine 12 and rotate, described the 3rd bearing pin 121 that is installed on the described ground connection turbine 12 drives described ground connection stop collar 111 rotations.And described ground connection stop collar 111 links into an integrated entity by flat key with described ground connection main shaft 11, so drive described ground connection main shaft 11, described energy storage connecting lever 15 rotates, make described energy-stored spring 16 finish energy storage, cross in, release energy.In described energy-stored spring 16 exoergic process, drive described ground connection main shaft 11 quick rotation by described energy storage connecting lever 15, cover 112 and described ground connection main shaft 11 linked into an integrated entity by flat key during described ground connection was crossed, therefore cover 112 rotated during described ground connection was crossed, and described second connecting lever 14 of described 4 wheel driven untie-sell axle 141 drivings that clashes on described second connecting lever 14 rotates.Slide for 41 li by the described rail groove of second roll sleeve on described second connecting lever 14 at described dial 4, thereby drive described dial 4 and 2 rotations of described output shaft, drive the described connecting lever 3 of output combined floodgate merit and the impulse stroke that needs externally is provided.
Earthed switch separating brake process:
Earthed switch separating brake process is identical with earthed switch making process transmission order, but direction is opposite.The turn clockwise described ground connection worm screw 13 of isolating switch drives described ground connection turbine 12 and rotates, and is installed in the described the 3rd on the described ground connection turbine 12 and drives bearing pin 121 and drive described ground connection stop collar 111 and rotate.And described ground connection stop collar 111 links into an integrated entity by flat key with described ground connection main shaft 11, so drive described ground connection main shaft 11, described energy storage connecting lever 15 rotates, make described energy-stored spring 16 finish energy storage, cross in, release energy.In described energy-stored spring 16 exoergic process, drive described ground connection main shaft 11 quick rotation by described energy storage connecting lever 15, because cover 112 and described ground connection main shaft 11 linked into an integrated entity by flat key during described ground connection was crossed, therefore cover 112 rotated during described ground connection was crossed, and described the 4th connecting lever 14 of described 4 wheel driven untie-sell axle 141 drivings that clashes on described second connecting lever 14 rotates.Slide for 41 li by the rail groove of second roll sleeve on described the 4th connecting lever 14 at described dial 4, thereby drive described dial 4 and 2 rotations of described output shaft, drive separating brake merit and impulse stroke that described output toggle arm 3 externally provides to be needed.
Above-mentioned embodiment just is explained in detail the technical solution of the utility model; the utility model has more than and only is confined to above-described embodiment; those skilled in the art should be understood that; the improvement on the utility model basis of the above-mentioned principle of every foundation and spirit, substitute, all should be within protection range of the present utility model.

Claims (11)

1. station vacuum interrupter operating mechanism comprises:
Housing (1);
Output module, described output module have 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);
Operational module, described operational module is controlled the rotation of described output shaft (2), described output toggle arm (3) is swung between isolation, ground connection, combined floodgate three stations realized isolating combined floodgate, separating brake or contact of earth, separating brake;
Locking module, described locking module locks the described output toggle arm (3) that is in isolation, ground connection, combined floodgate station position;
It is characterized in that: described operational module comprises
Dial (4), described dial (4) one ends are sheathed to be connected on the described output shaft (2), form two rail grooves (41) on the other end, described rail groove (41) comprises the straight-line groove part of afterbody and the tipper part of head, and described tipper partly is in the end towards described output shaft (2), straight line mirror image and the described tipper part outwardly form setting of expansion of two described rail grooves (41) to cross described output shaft (2) axle center;
Isolation-switch-on operating mechanism comprises first roll sleeve that is set in first rail groove, controls described first roll sleeve and slides in described first rail groove, promotes described dial (4) and rotates, and then drive isolation-combined floodgate control device that described output shaft rotates;
Ground connection-switch-on operating mechanism, comprise second roll sleeve that is set in second rail groove, control described second roll sleeve and in described second rail groove, slide, promote described dial (4) backward rotation, and then drive the counter-rotational ground connection of described output shaft-combined floodgate control device;
Described locking module comprises
The combined floodgate locking mechanism comprises first draw-in groove at the place, described tipper part end that is molded over described first rail groove, and second draw-in groove that is molded over the place, described straight-line groove part end of described second rail groove, during "on" position, described first draw-in groove locks described first roll sleeve that is in wherein, and described second draw-in groove locks described second roll sleeve that is in wherein;
The ground connection locking mechanism comprises in the 3rd draw-in groove at the place, described straight-line groove part end that is molded over described first rail groove, be molded in the 4th draw-in groove at described sloping portion end place of described second rail groove, described the 3rd draw-in groove locks described first roll sleeve that is in wherein, and described the 4th draw-in groove locks described second roll sleeve that is in wherein;
Isolate locking mechanism and comprise the position limiting structure that is arranged on the described output shaft (2), and be installed in elastic locking structure on the described housing (1), described output shaft (2) is when being in the isolated location, and described position limiting structure is just in time aimed at described elastic locking structure in conjunction with the locking that realizes described isolation.
2. a kind of three station vacuum interrupter operating mechanisms according to claim 1, it is characterized in that: described isolation-combined floodgate control device comprises isolates main shaft (5), described isolation main shaft (5) is rotatable to be 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); The end that described isolation main shaft (5) is positioned at described housing (1) outside connects the isolation energy storage device, described isolation main shaft (5) is positioned at the inboard end of described housing (1) and is arranged with isolation worm gear (6) successively, isolate stop collar (51), cover (52) and first connecting lever (8) in isolating, wherein said isolation worm gear (6) is provided with towards the side of described isolation stop collar (51) and drives the first driving bearing pin (61) that described isolation stop collar (51) rotates, cover (52) side in described isolation is crossed of described first connecting lever (8) be provided with drive described isolation cross in cover (52) rotate second drive bearing pin (81), and described first roll sleeve is fixed on the end of described first connecting lever (8), described isolation stop collar (51), cover (52) was fixedly installed on the described isolation main shaft (5) during described isolation was crossed, described isolation worm gear (6) drives described isolation stop collar (51) and drives the energy storage that described isolation energy storage device is finished in described isolation main shaft (5) rotation under the driving of isolating worm screw (7), in crossing, moment releases can, in the moment exoergic process, cover (52) rotation was run into described second and is driven bearing pin (81) and drive described first connecting lever (8) rotation during described isolation was crossed.
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 connecting lever (9) that is fixedly installed on described isolation main shaft (5) end, and an end is connected with the end of described isolation energy storage connecting lever (9), the other end is fixed on the isolation energy-stored spring (10) on the described housing (1), described isolation energy-stored spring (10) is finished energy storage, crossed with described isolation energy storage connecting lever (9) when described isolation main shaft (5) rotates in, release energy.
4. a kind of three station vacuum interrupter operating mechanisms according to claim 1, it is characterized in that: described ground connection-combined floodgate control device has ground connection main shaft (11), described ground connection main shaft (11) is rotatable to be 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 an end that is positioned at described housing (1) outside connects the ground connection energy storage device, be positioned at the inboard end of described housing (1) and be arranged with 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 towards the side of described ground connection stop collar (111) and drives the 3rd driving bearing pin (121) that described ground connection stop collar (111) rotates, the crossing middle cover (112) side towards described ground connection and be provided with and drive described ground connection and cross the 4 wheel driven untie-sell axle (141) that middle cover (112) rotates of described second connecting lever (14), and described second roll sleeve is fixed on the end of described second connecting lever (14), described ground connection stop collar (111), described ground connection is crossed middle cover (112) and is fixedly installed on the described ground connection main shaft (11), described ground connection worm gear (12) drives described ground connection stop collar (111) the described ground connection main shaft of drive (11) and is rotated in the forward the energy storage of finishing described ground connection energy storage device under the driving of ground connection worm screw (13), in crossing, moment releases can, in the moment exoergic process, described ground connection is crossed middle cover (112) rotation and is run into described 4 wheel driven untie-sell axle (141) and drive described 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 connecting lever (15) that is fixedly installed on described ground connection main shaft (11) end, and an end is connected with the end of described ground connection energy storage connecting lever (15), the other end is fixed on the ground connection energy-stored spring (16) on the described housing (1), described ground connection energy-stored spring (16) can finish energy storage with described ground connection energy storage connecting lever (15) when described ground connection main shaft (11) rotates, cross in, release energy.
6. according to the arbitrary described a kind of three station vacuum interrupter operating mechanisms of claim 1-5, it is characterized in that: described output shaft (2) is provided with the 3rd connecting lever (20), and the described position limiting structure of described isolation locking mechanism is provided with groove (201) for the end that is molded over 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 on housing (1), described push rod (17) can come and go and be arranged at slidably in the described spring cavity (19), described spring (18) acts on the described push rod (17), when being in described isolated location, described push rod (17) can head under the effect of described spring (18) in the described groove (201) at described output shaft (2).
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 the 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. a kind of three station vacuum interrupter operating mechanisms according to claim 1, 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, the 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 corresponding with described worm screw is provided with two through holes (241, can drive described covering plate (24) when 242), described driving shaft (21) rotates moves 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) that is socketed on the described output shaft (2), indicator board (27), and the connecting plate (26) of the described indication connecting lever of connection (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) rotation 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 with described connecting lever plate (29) rotation and connect described travel switch (28).
11. a kind of three station vacuum interrupter operating mechanisms according to claim 1, it is characterized in that: also include and help the isolation position collocation structure that described output shaft (2) is in isolation, described isolation position collocation structure comprises the compensation connecting lever (31) that is arranged on the described output shaft (2), and one end be installed on the 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) make described output shaft (2) be in isolation.
CN 201320238001 2013-05-06 2013-05-06 Operating mechanism for three-position vacuum interrupter Withdrawn - After Issue CN203192691U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103208397A (en) * 2013-05-06 2013-07-17 浙江华仪电器科技有限公司 Three-station operating mechanism for vacuum disconnecting switch
CN105702518A (en) * 2016-04-08 2016-06-22 南阳市鑫特电气有限公司 Disconnecting switch and earthing switch interlocking misoperation preventing mechanism of high voltage switch cabinet
CN106783358A (en) * 2015-11-20 2017-05-31 常州阿斯博开关有限公司 A kind of isolation knife interlocking operation mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103208397A (en) * 2013-05-06 2013-07-17 浙江华仪电器科技有限公司 Three-station operating mechanism for vacuum disconnecting switch
CN103208397B (en) * 2013-05-06 2014-12-03 浙江华仪电器科技有限公司 Three-station operating mechanism for vacuum disconnecting switch
CN106783358A (en) * 2015-11-20 2017-05-31 常州阿斯博开关有限公司 A kind of isolation knife interlocking operation mechanism
CN105702518A (en) * 2016-04-08 2016-06-22 南阳市鑫特电气有限公司 Disconnecting switch and earthing switch interlocking misoperation preventing mechanism of high voltage switch cabinet

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