CN206312816U - A kind of interlocking operation mechanism and the high-tension switch gear with it - Google Patents

Abstract

The utility model provides a kind of interlocking operation mechanism and the high-tension switch gear with it, and wherein interlocking operation mechanism includes：Isolation main shaft, in the presence of external force around own axis, and then can drive disconnecting switch divide-shut brake；First linkage structure, main shaft linkage is isolated with described, and in disconnecting switch to open position or closing position described in the isolation main shaft drives, the closing operation to the breaker does not stop；When disconnecting switch described in the isolation main shaft drives switches between open position and closing position, the closing operation to the breaker stops, prevents the breaker from closing a floodgate.The utility model can guide staff correctly to operate, and not avoid maloperation, safe.

Description

A kind of interlocking operation mechanism and the high-tension switch gear with it

Technical field

The utility model is related to high-tension switch gear technical field, and in particular to a kind of interlocking operation mechanism and with it High-tension switch gear.

Background technology

High-tension switch gear is the electric equipment being commonly used in high tension distribution system, and it has generally included vacuum circuit breaker Device, isolation switch, earthed switch, the effect of vacuum circuit breaker is to close a floodgate to connect circuit and separating brake disconnecting circuit, and it is used for Combined floodgate connects circuit or the contact of separating brake disconnecting circuit is arranged in vacuum extinction room, the electricity produced when contact combined floodgate or separating brake Arc in arc-chutes can reliably disjunction, security performance is very high.The effect of isolation switch is that can set up reliable insulation Gap, circuit is separated with an obvious cut-off point., it is necessary to operate vacuum circuit breaker first during operation high-tension switch gear separating brake Device separating brake, then operation isolation disconnecting link separating brake again, when operating high-tension switch gear to close a floodgate, it is necessary to first operation isolation disconnecting link is closed Lock, then operate vacuum circuit breaker to close a floodgate.Ground connection is additionally provided with inside the indoor switch equipment used cooperatively with high-tension switch gear to open Close, in isolation switch separating brake, ground connection of closing a floodgate and can prevent down power transmission at release circuit electric charge, be the people of repair apparatus Member provides an operating environment for safety.

Because indoor switch equipment inside original paper is more, there are killer switch, disconnecting switch and earthed switch, once occur Maloperation, is easy for initiation accident, so that setting certain interlock to prevent maloperation.

Chinese patent literature CN105390332A discloses a kind of high-tension switch gear with isolation features, what it was used Disconnecting switch includes drive rod, drive link, the first conductive contact arm and the second conductive contact arm, and the first conductive contact arm and the second conduction are touched Arm is respectively sleeved at the two ends of drive link by thread matching structure；Drive rod is axially turned by driving drive link around its own It is dynamic, so that the first conductive contact arm and the second conductive contact arm are moved on drive link, realize the divide-shut brake of disconnecting switch.It is above-mentioned special High-tension switch gear in sharp document sets interlock not between disconnecting switch and breaker, causes behaviour by mistake easily occur Make.

Utility model content

Therefore, the technical problems to be solved in the utility model is to overcome switchgear of the prior art in disconnecting switch Without independent reliable interlocking and breaker between, cause the technological deficiency that maloperation triggers accident easily occur, so as to provide A kind of high-tension switch gear interlocking operation mechanism that can avoid maloperation.

The utility model also provides a kind of high-tension switch gear with aforesaid operations mechanism.

Therefore, the utility model provides a kind of interlocking operation mechanism, it is characterised in that：Including：

Isolation main shaft, in the presence of external force around own axis, and then can drive disconnecting switch divide-shut brake；

First linkage structure, main shaft linkage is isolated with described, in disconnecting switch described in the isolation main shaft drives to separating brake When position or closing position, the closing operation to the breaker does not stop；Isolate described in the isolation main shaft drives When switch switches between open position and closing position, the closing operation to the breaker stops, makes the open circuit Device can not close a floodgate.

Used as a kind of preferred scheme, first linkage structure includes：

Master gear, connection is engaged by engaging tooth with the driving screw thread isolated on spindle outer wall is arranged on；

Conical socket, is arranged on the one side of the master gear；

Push rod, one end is connected with the one side contact of the master gear, and the other end is connected with barrier structure contact；

During the isolation main shaft drives disconnecting switch to combined floodgate or open position, one end of the push rod enters the taper In groove；

When the isolation main shaft drives disconnecting switch switches between closing position and open position, one end of the push rod Skidded off from the conical socket, the other end promotes the barrier structure action, makes conjunction of the barrier structure to the breaker Lock operation is stopped.

Used as a kind of preferred scheme, the barrier structure includes：

Stop rotating shaft；

First driving plate, is fixedly installed in the stop rotating shaft, is connected with another end in contact of the push rod；

Second driving plate, is fixedly installed in the stop rotating shaft, is flexibly connected with first connecting rod by first rotating shaft；

Seesaw, one end is rotatably mounted by the second rotating shaft, and the other end is provided with barrier plate, middle part be provided with for it is described The first bearing pin that first connecting rod is flexibly connected；

First return springs, for driving the stop rotating shaft to turn towards the direction of the other end for extruding the push rod It is dynamic；

After one end of the push rod skids off from the conical socket, the other end of the push rod drives by described first Plate promotes the stop axis of rotation, and then drives second driving plate to rotate, and second driving plate passes through described first Connecting rod drives first bearing pin, makes the seesaw around second axis of rotation, and it is described disconnected that the barrier plate is moved to stop The position that road device closes a floodgate；

After one end of the push rod enters in the conical socket, the other end of the push rod is for first driving plate Active force disappear, it is described stop rotating shaft turn round in the presence of first return springs, and then drive it is described second drive Dynamic plate revolution, second driving plate drives first bearing pin, makes the seesaw around described second by the first connecting rod Rotating shaft is inverted, and the barrier plate is moved to the position for no longer stopping the breaker closing.

Used as a kind of preferred scheme, also including the second linkage structure, second linkage structure is used in the breaker During combined floodgate, prevent to operate the isolation main shaft；In the breaker open operation, release and the isolation main shaft is grasped The limitation of work.

Used as a kind of preferred scheme, second linkage structure includes：

Shutter, is movably disposed, with gathering hole, and with making the gathering hole with the operation for isolating main shaft It is right to rectify such that it is able to the operable position operated to the isolation main shaft, and the gathering hole is not isolated with described The operation of main shaft rectifies right, so that the inoperable position that can not be operated to the isolation main shaft；

Second connecting rod, one end is fixedly connected with the shutter, and the other end is extended near the output shaft of the breaker；

Second return springs, for pulling the shutter to be moved to the operable position；

First connecting lever, on the output shaft of the breaker, in the breaker closing, by being located at described The second bearing pin on two connecting rods pulls the second connecting rod action, and the second connecting rod pulls the shutter by described operable Position is moved to the inoperable position；Inverted in the breaker open operation, the shutter is in the second reset bullet The operable position is moved to by the inoperable position in the presence of property part.

As a kind of preferred scheme, also including the second connecting lever on earthed switch output shaft；

When the earthed switch closes a floodgate, the earthed switch output shaft drives second connecting lever to rotate, and described second turns Arm drives the second connecting rod, the second connecting rod to pull the shutter by the 3rd bearing pin being located on the second connecting rod The inoperable position is moved to by the operable position；

During the grounding switch tripping, the earthed switch output shaft drives the second connecting lever reversion, the shutter The operable position is moved to by the inoperable position in the presence of second return springs.

As a kind of preferred scheme, also including indication piece, linked with the master gear, for indicating the disconnecting switch Opening and closing state.

Used as a kind of preferred scheme, the indication piece includes：

Fan-shaped main body, corner position is rotatably mounted by indicating rotating shaft, cambered surface end be provided with separating brake, close a floodgate mark or Identified in separating brake, combined floodgate, operation；

Main body driving plate, one end is fixedly connected with the fan-shaped main body, and the other end is set near the master gear, and is located at It is arranged on the rotation path of the driving bolt on the master gear another side；

Keeper, one end is rotatably mounted again by the instruction rotating shaft, and fixes company with the main body driving plate Connect, the other end is arranged in the side relative with the fan-shaped main body；

Elastic drawing piece, one end is connected with the other end of the keeper, and the other end is fixedly installed, for pulling the guarantor Gripping member, so that the fan-shaped main body is maintained at indicating positions.

As a kind of preferred scheme, also including for driving the second connecting rod to move up and down, so as to drive described blocking The manual unlocking structure that plate switches between the operable position and the inoperable position.

Used as a kind of preferred scheme, the manual unlocking structure includes：

Counterpart, is fixedly installed on the second connecting rod；

Lock core, with the lockhole for being inserted for key, and can be by the key actuated rotating rod lock；The locking bar With the counterpart is pressed, make the second connecting rod drive the shutter by the operable position be moved to it is described can not The first position of operating position, and the motion to the counterpart does not stop, enables the second connecting rod multiple second Drive the shutter that the second of the operable position is moved to by the inoperable position in the presence of the elastic component of position Put.

Used as a kind of preferred scheme, the key is when the locking bar is in the second place, it is impossible to from the lock core Interior extraction.

As a kind of preferred scheme, also including latch-up structure, for keeping apart and closing described in the isolation main shaft drives The locking bar is locked during lock, makes the key by the locking bar second connecting rod cannot be driven to act；In the isolation The locking to the locking bar is released described in main shaft drives during disconnecting switch separating brake, so that the key can be by the locking bar The second connecting rod is driven to act.

Used as a kind of preferred scheme, the latch-up structure includes locking piece, and the locking piece is rotationally pacified by torsion spring Mounted in the fan-shaped main body lower section, with the lock space relative with the locking bar；

When the disconnecting switch is closed a floodgate, the fan-shaped main body does not extrude the locking piece, and the locking piece is in the torsion spring In the presence of turn to make the locking bar enter the lock space position, now the locking bar can not be by the key actuated Rotate；

During the disconnecting switch separating brake, the fan-shaped main body extrudes the locking piece, and the locking piece overcomes the torsion spring Pressure after rotate, the locking bar is removed from the lock space, now the locking bar can be rotated by the key actuated.

As a kind of preferred scheme, also including lock for circuit breaker fixed structure, the lock for circuit breaker fixed structure can with it is described every From main shaft linkage, when the isolation main shaft drives disconnecting switch is closed a floodgate, the framework locking that will install the breaker cannot take out Go out；In the isolation main shaft drives disconnecting switch separating brake, the locking of the framework to installing the breaker, the open circuit are released Device can be extracted out.

Used as a kind of preferred scheme, the latch-up structure includes：

Pinion, is coaxially disposed with the master gear, and the master gear can be followed to rotate together；

First tooth bar, engages with the pinion, for the rotation of the pinion to be converted into axial movement；

First drive link, one end has the first gear that can be engaged with first tooth bar, and the other end has the second tooth Wheel；

Securing rod, with the engaging tooth that can be engaged with the second gear, for the rotation of the second gear to be turned Turn to axial movement；And with draw-in groove, the draw-in groove can block on said frame, stop that the framework is extracted out.

The utility model also provides a kind of high-tension switch gear, with the interlocking operation mechanism described in as above any one.

Interlocking operation mechanism and the high-tension switch gear with it that the utility model is provided, with advantages below：

1. interlocking operation mechanism of the present utility model, including isolation main shaft and the first linkage structure, the first linkage structure exist During isolation main shaft drives disconnecting switch to open position or closing position, the closing operation to breaker does not stop；Every When switching between open position and closing position from main shaft drives disconnecting switch, the closing operation to breaker stops, Prevent breaker from closing a floodgate；Interlocking operation mechanism of the present utility model, (such as switches when being operated to isolation main shaft from separating brake To combined floodgate, or separating brake is switched to from combined floodgate) breaker closing can be prevented, so as to avoid hot line job disconnecting switch, Neng Gouti Device security high.

2. interlocking operation mechanism of the present utility model, the first linkage structure includes master gear, conical socket, push rod and resistance Gear structure, master gear is against on the one side of master gear with main shaft linkage, one end of push rod is isolated, and the other end is against barrier structure On；When isolating main shaft drives disconnecting switch and switching between closing position and open position, one end of push rod is from conical socket Inside skid off so that push rod is overall to another side shifting, and the other end of push rod promotes barrier structure action, makes barrier structure to open circuit The closing operation of device is stopped.

3. interlocking operation mechanism of the present utility model, barrier structure includes stopping rotating shaft, is fixedly installed in stop rotating shaft The first driving plate and the second driving plate, first connecting rod, seesaw, the first return springs etc.；When one end of push rod is recessed from taper After being skidded off in groove, the other end of push rod is promoted by the first driving plate and stops axis of rotation, and then drives the second driving plate to rotate, Second driving plate drives the first bearing pin by first connecting rod, makes seesaw around the second axis of rotation, and barrier plate is moved to stop open circuit The position that device closes a floodgate；After one end of push rod enters in conical socket, the other end of push rod disappears for the active force of the first driving plate Lose, stop that rotating shaft is turned round in the presence of the first return springs, and then drive the revolution of the second driving plate, the second driving plate passes through First connecting rod drives the first bearing pin, seesaw is inverted around the second rotating shaft, and barrier plate is moved to the position for no longer stopping breaker closing Put.

4. interlocking operation mechanism of the present utility model, also including the second linkage structure, in breaker closing, preventing Isolation main shaft is operated, in breaker open operation, the limitation operated to isolation main shaft is released；The utility model increases Second linkage structure, can guide user correctly to operate high-tension switch gear, first by breaker open operation, then go operation isolation to open Close, and then avoid on-load operation disconnecting switch from causing the accident.

5. interlocking operation mechanism of the present utility model, also including the second connecting lever on earthed switch output shaft, when When earthed switch closes a floodgate, the output shaft of earthed switch drives the second connecting lever to rotate, and pulls shutter to be moved to by operable position Inoperable position, can not now operate to isolation main shaft；When grounding switch tripping, shutter is in the second Flexible Reset In the presence of part, operable position is moved to by inoperable position, isolation main shaft can now be operated；This practicality is new This structure setting of type, be prevented from maintainer carries out closing operation in the non-separating brake of earthed switch to isolation, it is to avoid band Ground wire (conjunction earthed switch) power transmission.

6. interlocking operation mechanism of the present utility model, also including for driving second connecting rod to move up and down, so as to drive screening The manual unlocking structure that baffle plate switches between operable position and inoperable position；When needing disconnecting switch operation to close a floodgate, The switch separating brake of operational grounding first is needed, at this moment shutter is moved to operable position in the presence of the second return springs, Isolation main shaft cannot now be operated；At this moment manual unlocking structure is accomplished by shutter is moved to inoperable position Put.The setting of manual unlocking structure so that people's (such as solution key without manual unlocking structure in the case where permission is not obtained Spoon), it is impossible to disconnecting switch operation is closed a floodgate such that it is able to avoid other non-working persons operation isolation in the case where permission is not obtained Switch closes a floodgate, and further increases device security.

7. interlocking operation mechanism of the present utility model, also including latch-up structure, in isolation main shaft drives disconnecting switch Locking bar is locked during combined floodgate, makes key by locking bar second connecting rod cannot be driven to act；In isolation main shaft drives disconnecting switch point The locking to locking bar is released during lock, so that key can drive second connecting rod to act by locking bar；The setting of latch-up structure, energy Ensure only in disconnecting switch separating brake, to open shutter by locking bar, second connecting rod using key, so as to ensure that peace Entirely.

8. interlocking operation mechanism of the present utility model, also including lock for circuit breaker fixed structure, lock for circuit breaker fixed structure can be with Isolation main shaft linkage, when main shaft drives disconnecting switch combined floodgate is isolated, the framework locking that will install breaker cannot be extracted out；Every During from main shaft drives disconnecting switch separating brake, the locking of the framework to installing breaker is released, breaker can be extracted out；Lock for circuit breaker The setting of fixed structure, ensure that only in disconnecting switch separating brake, could extract breaker out, so as to avoid maloperation.

9. the utility model also provides a kind of high-tension switch gear, and it includes interlocking operation mechanism as described above, due to With above-mentioned interlocking operation mechanism, thus there are all advantages because being brought with above-mentioned interlocking operation mechanism naturally；If The high-tension switch gear of above-mentioned interlocking operation mechanism is put, the chain guiding user of pressure of machinery can be utilized correctly to grasp step by step Make breaker, occur when user misoperation operation handle cannot insertion operation hole, or cannot operate, solve user The problem of maloperation, thus it is safe.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme in prior art or the utility model specific embodiment, below to existing There is the accompanying drawing used in technology or specific embodiment description to be briefly described, it should be apparent that, for the common skill in this area For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the stereogram of the utility model interlocking operation mechanism.

Fig. 2 is the structural representation that the utility model interlocking operation mechanism is applied on high-tension switch gear.

Fig. 3 is the structure enlarged diagram of part A in Fig. 2.

Fig. 4 is the structure enlarged diagram of part B in Fig. 3.

Fig. 5 is the structure enlarged diagram of C portion in Fig. 3.

Fig. 6 is the structure enlarged diagram of D parts in Fig. 3.

Fig. 7 is another three-dimensional view of the utility model interlocking operation mechanism.

Fig. 8 is the stereogram of indication piece.

Fig. 9 is locked out the stereogram of structure.

Reference：1st, main shaft is isolated；2nd, master gear；21st, conical socket；3rd, push rod；4th, rotating shaft is stopped；41st, first drive Dynamic plate；42nd, the second driving plate；43rd, first rotating shaft；44th, first connecting rod；45th, seesaw；46th, the second rotating shaft；47th, barrier plate；48、 First bearing pin；49th, the first return springs；5th, shutter；51st, gathering hole；52nd, second connecting rod；53rd, the first connecting lever；54th, export Axle；55th, the second bearing pin；56th, the second connecting lever；57th, the 3rd bearing pin；6th, indication piece；60th, rotating shaft is indicated；61st, fan-shaped main body；62nd, it is main Body driving plate；63rd, keeper；64th, elastic drawing piece；71st, lock core；72nd, locking bar；73rd, counterpart；74th, locking piece；75th, lock Space；81st, pinion；82nd, the first tooth bar；83rd, the first drive link；84th, first gear；85th, second gear；86th, securing rod；9、 Breaker closing button；91st, breaker closing linkage board.

Specific embodiment

The technical solution of the utility model is described with reference to Figure of description, it is clear that following embodiments are not It is the whole embodiment of the utility model.Based on the embodiment described by the utility model, those of ordinary skill in the art are not having There is the every other embodiment made and being obtained under the premise of other creative works, belong to protection domain of the present utility model.

It should be noted that in description of the present utility model, term " first ", " second " are only used for describing purpose, and It is not intended that indicating or implying relative importance.Additionally, involved in the utility model different embodiments disclosed below As long as and technical characteristic do not constitute each other conflict can just be combined with each other.

Embodiment 1

The present embodiment provides a kind of interlocking operation mechanism, as Figure 1-4, including：Isolation main shaft 1, can be in external force Around own axis under effect, and then drive disconnecting switch divide-shut brake；First linkage structure, links with the main shaft 1 of isolating, When the isolation main shaft 1 drives the disconnecting switch to open position or closing position, the combined floodgate to the breaker is not grasped Stopped；When the isolation main shaft 1 drives the disconnecting switch to switch between open position and closing position, to institute The closing operation for stating breaker stopped, prevents the breaker from closing a floodgate.

The interlocking operation mechanism of the present embodiment, when being operated to isolation main shaft 1 (combined floodgate such as is switched to from separating brake, or When switching to separating brake from combined floodgate) breaker closing can be prevented, so as to avoid hot line job disconnecting switch, it is possible to increase equipment is pacified Quan Xing.

First linkage structure includes：Master gear 2, by engaging tooth be arranged on described the isolation on the outer wall of main shaft 1 Drive screw thread engagement connection；Conical socket 21, is arranged on the one side of the master gear 2；Push rod 3, one end and the main tooth The one side contact connection of wheel 2, the other end is connected with barrier structure contact；The isolation main shaft 1 drives disconnecting switch to combined floodgate Or during open position, one end of the push rod 3 enters in the conical socket 21；The isolation main shaft 1 drives disconnecting switch to exist When switching between closing position and open position, one end of the push rod 3 skids off from the conical socket 21, and the other end promotes institute Barrier structure action is stated, the barrier structure is stopped the closing operation of the breaker.

Such as Fig. 1 and Fig. 4 institutes, the barrier structure includes：Stop rotating shaft 4；First driving plate 41, is fixedly installed on the resistance In gear rotating shaft 4, it is connected with another end in contact of the push rod 3；Second driving plate 42, is fixedly installed in the stop rotating shaft 4, It is flexibly connected with first connecting rod 44 by first rotating shaft 43；Seesaw 45, one end is rotatably mounted by the second rotating shaft 46, another End is provided with barrier plate 47, and middle part is provided with the first bearing pin 48 for being flexibly connected with the first connecting rod 44；First Flexible Reset Part 49, for driving the stop rotating shaft 4 to be rotated towards the direction of the other end for extruding the push rod 3.

After one end of the push rod 3 skids off from the conical socket 21, the other end of the push rod 3 passes through described first Driving plate 41 promotes the stop rotating shaft 4 to rotate, and then drives second driving plate 42 to rotate, and second driving plate 42 is led to Cross the first connecting rod 44 and drive first bearing pin 48, the seesaw 45 is rotated around second rotating shaft 46, the stop Plate 47 is moved to the position for stopping the breaker closing.

After one end of the push rod 3 enters in the conical socket 21, the other end of the push rod 3 drives for described first The active force of dynamic plate 41 is disappeared, and the stop rotating shaft 4 is turned round in the presence of first return springs 49, and then drives institute State the second driving plate 42 to turn round, second driving plate 42 drives first bearing pin 48 by the first connecting rod 44, makes institute State seesaw 45 to be inverted around second rotating shaft 46, the barrier plate 47 is moved to the position for no longer stopping the breaker closing.

In Fig. 4,9 is breaker closing button, and 91 is breaker closing linkage board, when barrier plate is located at shown position, Breaker closing button 9 is pressed, breaker closing linkage board 91 is acted after being driven, is placed exactly in yet with barrier plate 47 disconnected On the motion path of road device combined floodgate linkage board, cause breaker closing linkage board 91 to rotate, and then cause breaker closing Button 9 cannot be pressed, and breaker also cannot just close a floodgate.

As shown in Figure 3 and Figure 5, also including the second linkage structure, second linkage structure is used to be closed in the breaker During lock, prevent to operate the isolation main shaft 1；In the breaker open operation, release and the isolation main shaft 1 is grasped The limitation of work.

Second linkage structure includes：Shutter 5, is movably disposed, with gathering hole 51, and with making the behaviour Make mouth 51 and rectify right with the operation for isolating main shaft 1 such that it is able to the operable position operated to the isolation main shaft 1 Put, and the gathering hole 51 is not rectified right with the operation for isolating main shaft 1, so as to can not be carried out to the isolation main shaft 1 The inoperable position of operation；Second connecting rod 52, one end is fixedly connected with the shutter 5, and the other end extends to the open circuit Near the output shaft of device；Second return springs, for pulling the shutter 5 to be moved to the operable position；First turns Arm 53, on the output shaft 54 of the breaker, in the breaker closing, by being located on the second connecting rod 52 The second bearing pin 55 pull the second connecting rod 52 to act, the second connecting rod 52 pulls the shutter 5 by described operable Position is moved to the inoperable position；Inverted in the breaker open operation, the shutter 5 is in the second reset bullet The operable position is moved to by the inoperable position in the presence of property part.

Also include the second connecting lever 56 on earthed switch output shaft.

When the earthed switch closes a floodgate, the earthed switch output shaft drives second connecting lever 56 to rotate, and described second Connecting lever 56 drives the second connecting rod 52, the second connecting rod 52 to draw by the 3rd bearing pin 57 being located on the second connecting rod 52 The dynamic shutter 5 is moved to the inoperable position by the operable position.

During the grounding switch tripping, the earthed switch output shaft drives second connecting lever 56 to invert, described to block Plate 5 is moved to the operable position in the presence of second return springs by the inoperable position.

As Figure 7-8, also linked with the master gear 2 including indication piece 6, for indicating dividing for the disconnecting switch "on" position.

The indication piece 6 includes：Fan-shaped main body 61, corner position is rotatably mounted by indicating rotating shaft 60, cambered surface end Be provided with separating brake, close a floodgate mark or separating brake, combined floodgate, operation in identify；Main body driving plate 62, one end is solid with the fan-shaped main body 61 Fixed connection, the other end is set near the master gear 2, and positioned at the driving bolt being arranged on the another side of the master gear 2 On 22 rotation path；Keeper 63, one end is rotatably mounted again by the instruction rotating shaft 60, and is driven with the main body Dynamic plate 62 is fixedly connected, and the other end is arranged in the side relative with the fan-shaped main body 61；Elastic drawing piece 64, one end with it is described The other end connection of keeper 63, the other end is fixedly installed, for pulling the keeper 63, so that the fan-shaped main body 61 It is maintained at indicating positions.

As shown in figure 9, also including for driving the second connecting rod 52 to move up and down, so as to drive the shutter 5 to exist The manual unlocking structure switched between the operable position and the inoperable position.

The manual unlocking structure includes：Counterpart 73, is fixedly installed on the second connecting rod 52；Lock core 71, has For the lockhole for key insertion, and can be by the key actuated rotating rod lock 72；The locking bar 72 has pressing described Counterpart 73, makes the second connecting rod 52 drive the shutter 5 to be moved to the inoperable position by the operable position The first position put, and the motion to the counterpart 73 does not stop, the second connecting rod 52 is resetted second Drive the shutter 5 that the second of the operable position is moved to by the inoperable position in the presence of elastic component Put；The key is when the locking bar 72 is in the second place, it is impossible to extracted in from the lock core 71.

As shown in figures 7 and 9, also including latch-up structure, for driving the disconnecting switch to close a floodgate in the isolation main shaft 1 When the locking bar 72 is locked, make the key by the locking bar 72 second connecting rod 52 cannot be driven to act；Described Isolation main shaft 1 releases the locking to the locking bar 72 when driving the disconnecting switch separating brake, so that the key can pass through The locking bar 72 drives the second connecting rod 52 to act.

The latch-up structure includes locking piece 74, and the locking piece 74 is installed in rotation on described fan-shaped main by torsion spring The lower section of body 61, with the lock space 75 relative with the locking bar 72.

When the disconnecting switch is closed a floodgate, the fan-shaped main body 61 does not extrude the locking piece 74, and the locking piece 74 is in institute The position for turning in the presence of torsion spring and making the locking bar 72 enter the lock space 75 is stated, now the locking bar 72 can not be by The key actuated is rotated.

During the disconnecting switch separating brake, the fan-shaped main body 61 extrudes the locking piece 74, and the locking piece 74 overcomes institute Rotated after stating the pressure of torsion spring, the locking bar 72 is removed from the lock space 75, now the locking bar 72 can be described Key actuated is rotated.

As shown in Figure 3 and Figure 6, also including lock for circuit breaker fixed structure, the lock for circuit breaker fixed structure can isolate with described Main shaft 1 links, and when the isolation main shaft 1 drives disconnecting switch to close a floodgate, the framework locking that will install the breaker cannot take out Go out；When the isolation main shaft 1 drives disconnecting switch separating brake, the locking of the framework to installing the breaker is released, it is described disconnected Road device can be extracted out.

The latch-up structure includes：Pinion 81, is coaxially disposed with the master gear 2, and can follow the master gear 2 one Rise and rotate；First tooth bar 82, engages with the pinion 81, for the rotation of the pinion 81 to be converted into axial movement； First drive link 83, one end has the first gear 84 that can be engaged with first tooth bar 82, and the other end has second gear 85；Securing rod 86, with the engaging tooth that can be engaged with the second gear 85, for the rotation of the second gear 85 to be turned Turn to axial movement；And with draw-in groove, the draw-in groove can block on said frame, stop that the framework is extracted out.

The linkage process of interlocking operation mechanism is as follows in the present embodiment：

The linkage process of off-position is switched to by normal operating conditions：

During working condition, shutter 5 be in inoperable position, at this moment staff cannot operation isolation main shaft 1 so that Staff is reminded first to remove operating breaker separating brake.

1) operating breaker separating brake, the first connecting lever 53 no longer presses second connecting rod 52 by the second bearing pin 55；Second connecting rod 52 reset in the presence of the second dynamic clamping head and quiet clamping head, promote shutter 5 to move to operable position by inoperable position, now The gathering hole 51 being arranged on shutter 5 rectifies right with the operation for isolating main shaft 1, can be with operation isolation main shaft 1；

2) operation isolation main shaft 1, makes it drive disconnecting switch separating brake, at the same time：

Master gear 2 follows isolation main shaft 1 to rotate, and one end of push rod 3 skids off from conical socket 21, and the other end promotes first Driving plate 41, makes stop rotating shaft 4 overcome after the elastic force of the first return springs 49 and rotates, and then by the second driving plate 42, the One connecting rod 44 drives seesaw 45 to be rotated around the second rotating shaft 46 so that barrier plate 47 is moved to the movement of breaker closing linkage board 91 On path, stop breaker closing (that is, when operation isolation main shaft 1 makes disconnecting switch switch between switch closing and switch opening, breaking Road device can not close a floodgate, so as to ensure safety)；After the driving disconnecting switch of main shaft 1 separating brake is isolated in place, one end of push rod 3 is again Into inside conical socket 21, now barrier plate 47 is no longer kept off on the mobile route of breaker closing linkage board 91, breaker Can close a floodgate；

The rotation of master gear 2 also drives indication piece 6 to rotate, and open position is turned to by closing position；Indication piece 6 is rotated Afterwards, locking piece 74 is extruded rotation, and locking bar 72 deviates from that (now key can drive locking bar 72 by lock core 71 from lock space 75 Rotate such that it is able to drive second connecting rod 52 to drive shutter 5 to move to inoperable position by operable position)；

The rotation of master gear 2 also drives the rotation of pinion 81, and pinion 81 drives the first tooth bar 82 to move, the first tooth bar 82 drive the first drive link 83 to rotate by first gear 84, the first drive link 83 by second gear 85 drive securing rod 86 to Upper motion, releases the locking of the framework to installing breaker, can now extract breaker out；

3) if necessary to overhaul, operable earthed switch closes a floodgate, and now the second connecting lever 56 drives the by the 3rd bearing pin 57 Two connecting rods 52 are moved downward, and shutter 5 is moved to inoperable position, and now isolation main shaft 1 can not be operated；

After maintenance is finished, operational grounding switchs separating brake, and now the second connecting lever 56 is inverted, and second connecting rod 52 is in the second reset bullet Property part elastic force under counter motion, shutter 5 moves to operable position by inoperable position, now can be to isolation main shaft 1 is operated；

4) rotated using key actuated locking bar 72, make locking bar 72 by compression-style fittings 73, and then make shutter 5 from operable position Put and move to inoperable position, it is impossible to isolation main shaft 1 is operated, key is extracted, system is in off-position.

The linkage process of normal operating conditions is switched to by off-position：

During off-position, shutter 5 is similarly in inoperable position, it is necessary to first obtain key ability operation isolation main shaft 1, play a part of to prevent other unauthorized personnel's operation equipments.

1) lock core 71 is inserted a key into, drives locking bar 72 to act, locking bar 72 is no longer stopped counterpart 73；

2) by grounding switch tripping, second connecting rod 52 is inverted under the elastic force of the second return springs, and shutter 5 is by can not Operating position moves to operable position, and now isolation main shaft 1 can be operated；

3) operation isolation main shaft 1, makes it drive disconnecting switch to close a floodgate, at the same time：

Master gear 2 follows isolation main shaft 1 to rotate, and one end of push rod 3 skids off from conical socket 21, and the other end promotes first Driving plate 41, makes stop rotating shaft 4 overcome after the elastic force of the first return springs 49 and rotates, and then by the second driving plate 42, the One connecting rod 44 drives seesaw 45 to be rotated around the second rotating shaft 46 so that barrier plate 47 is moved to the movement of breaker closing linkage board 91 On path, stop breaker closing (that is, when operation isolation main shaft 1 makes disconnecting switch switch between switch closing and switch opening, breaking Road device can not close a floodgate, so as to ensure safety)；After the driving disconnecting switch in-place closing of main shaft 1 is isolated, one end of push rod 3 is again Into inside conical socket 21, now barrier plate 47 is no longer kept off on the mobile route of breaker closing linkage board 91, breaker Can close a floodgate；

The rotation of master gear 2 also drives indication piece 6 to rotate, and closing position is turned to by open position；Indication piece 6 is rotated Afterwards, locking piece 74 is no longer extruded, and is rotated in the presence of the reduction torsion spring of locking piece 74, locking bar 72 is entered lock space 75 (now key can not drive locking bar 72 to rotate by lock core 71, also by second connecting rod 52 shutter 5 cannot be driven to act, Now key can not be extracted)；

The rotation of master gear 2 also drives the rotation of pinion 81, and pinion 81 drives the first tooth bar 82 to move, the first tooth bar 82 drive the first drive link 83 to rotate by first gear 84, the first drive link 83 by second gear 85 drive securing rod 86 to Lower motion, will install the locking of the framework of breaker, can not now extract breaker out；

4) by breaker closing, the first connecting lever 53 presses second connecting rod 52 by the second bearing pin 55, and second connecting rod 52 drives Shutter 5 is moved to inoperable position from operable position, now isolation main shaft 1 can not be operated, the normal work of system Make.

Embodiment 2

The present embodiment provides a kind of high-tension switch gear, with interlocking operation mechanism as described in example 1 above.

The high-tension switch gear of the present embodiment, due to above-mentioned interlocking operation mechanism, thus has because having naturally All advantages that above-mentioned interlocking operation mechanism is brought；There is provided the high-tension switch gear of above-mentioned interlocking operation mechanism, Neng Gouyin User's correct operating breaker step by step is led, there will not be maloperation, thus it is safe.

Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or Among changing still in protection domain of the present utility model.

Claims (15)

1. a kind of interlocking operation mechanism, it is characterised in that：Including：

Isolation main shaft (1), in the presence of external force around own axis, and then can drive disconnecting switch divide-shut brake；

First linkage structure, main shaft (1) linkage is isolated with described, drives the disconnecting switch extremely to divide in isolation main shaft (1) When gate position or closing position, the closing operation to breaker does not stop；The isolation is driven in isolation main shaft (1) When switch switches between open position and closing position, the closing operation to the breaker stops, makes the open circuit Device can not close a floodgate.

2. interlocking operation mechanism according to claim 1, it is characterised in that：First linkage structure includes：

Master gear (2), connection is engaged by engaging tooth with the driving screw thread isolated on main shaft (1) outer wall is arranged on；

Conical socket (21), is arranged on the one side of the master gear (2)；

Push rod (3), one end is connected with the one side contact of the master gear (2), and the other end is connected with barrier structure contact；

When isolation main shaft (1) drives disconnecting switch to combined floodgate or open position, one end of the push rod (3) enters the cone In connected in star (21)；

When isolation main shaft (1) drives disconnecting switch to switch between closing position and open position, the one of the push rod (3) End skids off from the conical socket (21), and the other end promotes the barrier structure action, makes the barrier structure to the open circuit The closing operation of device is stopped.

3. interlocking operation mechanism according to claim 2, it is characterised in that：The barrier structure includes：

Stop rotating shaft (4)；

First driving plate (41), is fixedly installed on stop rotating shaft (4), and another end in contact with the push rod (3) is connected；

Second driving plate (42), is fixedly installed on stop rotating shaft (4), by first rotating shaft (43) and first connecting rod (44) It is flexibly connected；

Seesaw (45), one end is rotatably mounted by the second rotating shaft (46), and the other end is provided with barrier plate (47), and middle part is provided with use In the first bearing pin (48) being flexibly connected with the first connecting rod (44)；

First return springs (49), for driving stop rotating shaft (4) towards the side of the other end for extruding the push rod (3) To rotation；

After one end of the push rod (3) is skidded off in the conical socket (21), the other end of the push rod (3) is by described the One driving plate (41) promotes stop rotating shaft (4) to rotate, and then drives second driving plate (42) to rotate, and described second drives Dynamic plate (42) drives first bearing pin (48) by the first connecting rod (44), makes the seesaw (45) around second rotating shaft (46) rotate, the barrier plate (47) is moved to the position for stopping the breaker closing；

After one end of the push rod (3) enters in the conical socket (21), the other end of the push rod (3) is for described first The active force of driving plate (41) is disappeared, and stop rotating shaft (4) is turned round in the presence of first return springs (49), is entered And driving second driving plate (42) to turn round, second driving plate (42) drives described the by the first connecting rod (44) One bearing pin (48), makes the seesaw (45) be inverted around second rotating shaft (46), and the barrier plate (47) is moved to and no longer stops The position of the breaker closing.

4. interlocking operation mechanism according to claim 2, it is characterised in that：Also include the second linkage structure, described second Linkage structure is used to, in the breaker closing, prevent to operate isolation main shaft (1)；In the breaker open operation When, release the limitation operated to isolation main shaft (1).

5. interlocking operation mechanism according to claim 4, it is characterised in that：Second linkage structure includes：

Shutter (5), is movably disposed, with gathering hole (51), and with making the gathering hole (51) isolate master with described The operation of axle (1) rectifies right such that it is able to the operable position operated to isolation main shaft (1), and makes the operation Mouth (51) does not rectify right with the operation for isolating main shaft (1), so that isolation main shaft (1) can not be operated can not Operating position；

Second connecting rod (52), one end is fixedly connected with the shutter (5), and the output shaft that the other end extends to the breaker is attached Closely；

Second return springs, for pulling the shutter (5) to be moved to the operable position；

First connecting lever (53), on the output shaft (54) of the breaker, in the breaker closing, by being located at State the second bearing pin (55) on second connecting rod (52) and pull second connecting rod (52) action, the second connecting rod (52) pulls institute State shutter (5) and the inoperable position is moved to by the operable position；Inverted in the breaker open operation, it is described Shutter (5) is moved to the operable position in the presence of second return springs by the inoperable position.

6. interlocking operation mechanism according to claim 5, it is characterised in that：Also include being arranged on earthed switch output shaft The second connecting lever (56)；

When the earthed switch closes a floodgate, the earthed switch output shaft drives second connecting lever (56) to rotate, and described second turns Arm (56) drives the second connecting rod (52) by the 3rd bearing pin (57) being located on the second connecting rod (52), and described second connects Bar (52) pulls the shutter (5) to be moved to the inoperable position by the operable position；

During the grounding switch tripping, the earthed switch output shaft drives the second connecting lever (56) reversion, the shutter (5) operable position is moved to by the inoperable position in the presence of second return springs.

7. interlocking operation mechanism according to claim 6, it is characterised in that：Also include indication piece (6), with the master gear (2) link, the opening and closing state for indicating the disconnecting switch.

8. interlocking operation mechanism according to claim 7, it is characterised in that：The indication piece (6) includes：

Fan-shaped main body (61), corner position is rotatably mounted by indicating rotating shaft (60), and cambered surface end is provided with separating brake, mark of closing a floodgate Or identified in separating brake, combined floodgate, operation；

Main body driving plate (62), one end is fixedly connected with the fan-shaped main body (61), and the other end sets near the master gear (2) Put, and on the rotation path of the driving bolt (22) being arranged on the master gear (2) another side；

Keeper (63), one end again by it is described instruction rotating shaft (60) be rotatably mounted, and with the main body driving plate (62) it is fixedly connected, the other end is arranged in the side relative with the fan-shaped main body (61)；

Elastic drawing piece (64), one end is connected with the other end of the keeper (63), and the other end is fixedly installed, for pulling Keeper (63) is stated, so that the fan-shaped main body (61) is maintained at indicating positions.

9. interlocking operation mechanism according to claim 8, it is characterised in that：Also include for driving the second connecting rod (52) move up and down, so as to drive the shutter (5) to switch between the operable position and the inoperable position Manual unlocking structure.

10. interlocking operation mechanism according to claim 9, it is characterised in that：The manual unlocking structure includes：

Counterpart (73), is fixedly installed on the second connecting rod (52)；

Lock core (71), with the lockhole for being inserted for key, and can be by the key actuated rotating rod lock (72)；It is described Locking bar (72) makes the second connecting rod (52) drive the shutter (5) to be grasped by described with the counterpart (73) is pressed The first position of the inoperable position is moved to as position, and the motion to the counterpart (73) does not stop, makes The second connecting rod (52) can drive the shutter (5) by the inoperable position in the presence of the second return springs Put the second place for moving to the operable position.

11. interlocking operation mechanisms according to claim 10, it is characterised in that：Also include latch-up structure, for described By the locking bar (72) locking when isolation main shaft (1) drives the disconnecting switch to close a floodgate, make the key cannot be by the lock Bar (72) drives second connecting rod (52) action；Release right when isolation main shaft (1) drives the disconnecting switch separating brake The locking of the locking bar (72), so that the key can drive the second connecting rod (52) to move by the locking bar (72) Make.

12. interlocking operation mechanisms according to claim 11, it is characterised in that：The latch-up structure includes locking piece (74), the locking piece (74) is installed in rotation on the fan-shaped main body (61) lower section by torsion spring, with the locking bar (72) relative lock space (75)；

When the disconnecting switch is closed a floodgate, the fan-shaped main body (61) does not extrude the locking piece (74), and the locking piece (74) exists The position for making the locking bar (72) enter the lock space (75) is turned in the presence of the torsion spring, now the locking bar (72) can not be rotated by the key actuated；

During the disconnecting switch separating brake, the fan-shaped main body (61) extrudes the locking piece (74), and the locking piece (74) overcomes Rotated after the pressure of the torsion spring, the locking bar (72) is removed from the lock space (75), now locking bar (72) energy It is enough to be rotated by the key actuated.

13. interlocking operation mechanisms according to claim 2, it is characterised in that：Also include lock for circuit breaker fixed structure, it is described disconnected Road device latch-up structure can isolate main shaft (1) linkage with described, when isolation main shaft (1) drives disconnecting switch to close a floodgate, will The framework locking for installing the breaker cannot be extracted out；When isolation main shaft (1) drives disconnecting switch separating brake, release to peace The locking of the framework of the breaker is filled, the breaker can be extracted out.

14. interlocking operation mechanisms according to claim 13, it is characterised in that：The latch-up structure includes：

Pinion (81), is coaxially disposed with the master gear (2), and the master gear (2) can be followed to rotate together；

First tooth bar (82), engages with the pinion (81), for the rotation of the pinion (81) to be converted into axial fortune It is dynamic；

First drive link (83), one end has the first gear (84) that can be engaged with first tooth bar (82), other end tool There is second gear (85)；

Securing rod (86), with the engaging tooth that can be engaged with the second gear (85), for by the second gear (85) Rotation be converted into axial movement；And with draw-in groove, the draw-in groove can block on said frame, stop that the framework is extracted out.

A kind of 15. high-tension switch gears, it is characterised in that：With the interlocked operation machine as any one of claim 1-14 Structure.