CN106409563B - Breaker and three-station interlock and breaker-three-station device - Google Patents

Breaker and three-station interlock and breaker-three-station device Download PDF

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Publication number
CN106409563B
CN106409563B CN201611000309.6A CN201611000309A CN106409563B CN 106409563 B CN106409563 B CN 106409563B CN 201611000309 A CN201611000309 A CN 201611000309A CN 106409563 B CN106409563 B CN 106409563B
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China
Prior art keywords
locking
connecting lever
station
floodgate
triggering
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Active
Application number
CN201611000309.6A
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Chinese (zh)
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CN106409563A (en
Inventor
赵玉芝
张�杰
李燕燕
张鹏
张艳晓
赵成
王金雷
郅娇娇
姜亚军
王小丽
纪江辉
杨思亮
曹善军
王金芳
王洋洋
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State Grid Corp of China SGCC
Xuji Group Co Ltd
XJ Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xuji Group Co Ltd
XJ Electric Co Ltd
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Application filed by State Grid Corp of China SGCC, Xuji Group Co Ltd, XJ Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201611000309.6A priority Critical patent/CN106409563B/en
Publication of CN106409563A publication Critical patent/CN106409563A/en
Application granted granted Critical
Publication of CN106409563B publication Critical patent/CN106409563B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/26Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/26Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H01H2009/265Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The present invention relates to high-voltage electrical appliances fields, particularly to a kind of breaker and three-station interlock and breaker-three-station device.The trip assembley therefor that breaker includes side plate and be mounted on side plate with three-station interlock, breaker reclosing is from lock set and three-station linkage assemblies, trip assembley therefor includes the triggering connecting lever that closes a floodgate, breaker reclosing includes that reclosing block triggers connecting lever from lock set, three-station linkage assemblies include that three stations of locking trigger connecting lever, close a floodgate triggering connecting lever, it is coaxial that reclosing block, which triggers connecting lever and locking three stations triggering connecting lever, synchronous rotary type connecting lever, the triggering connecting lever that closes a floodgate is successively arranged rigid coincidence along the direction of action of closing operation and sets and closing position, reclosing block triggering connecting lever and the locking three stations triggering respective trigger timing of connecting lever are before the rigid coincidence of triggering connecting lever arrival of closing a floodgate is set.The present invention solves the problems, such as that breaker can not interlock halfway in operation with three-station.

Description

Breaker and three-station interlock and breaker-three-station device
Technical field
The present invention relates to high-voltage electrical appliances field, particularly to a kind of breaker and three-station interlock and Breaker-three-station device.
Background technique
Breaker and three-station are matching used two kinds of switching devices in power delivery circuit.Due to respective characteristic and The difference of function, in practical applications, it is desirable that must have certain opposite folding relationship between breaker and three-station, Otherwise it will cause failure, bring great loss.
Specific opposite folding relationship between breaker and three-station is chain with three-station by breaker Device interlocks the operation between breaker and three-station come what is realized, guarantees can have therebetween with this Specific folding relationship.Current breaker and three-station interlock, being all could be real when breaker reliably closes a floodgate Now reliable self-locking and locking three-station function, once stuck phenomenon occurs in making process in breaker, then due to disconnected Interlock situation not in place, will occur at this time in road device not yet in-place closing, and the combined floodgate of breaker at this time is not locked Fixed, three-station is also without locked, once breaker automatic reclosing or manual operation three-station, will occur Serious electric fault.In addition, when breaker is in open position, it is desirable that three-station valve must fully open ability It is latched the closing operation of breaker, said circumstances can bring security risk to site examining and repairing.
Summary of the invention
The purpose of the present invention is to provide a kind of breakers and three-station interlock, to solve breaker and three works The problem of bit switch can not interlock halfway in operation.
Meanwhile the object of the invention is also to provide a kind of breaker using above-mentioned interlock-three-station dresses It sets.
To achieve the above object, breaker of the invention and three-station interlock use following technical scheme:
Scheme 1: breaker and three-station interlock, including side plate and the trip assembley therefor being mounted on side plate, For breaker reclosing from lock set and three-station linkage assemblies, the trip assembley therefor includes the triggering connecting lever that closes a floodgate, breaker Reclosing includes reclosing block triggering connecting lever from lock set, and three-station linkage assemblies include that locking three stations triggering is turned Arm, the combined floodgate triggering connecting lever, reclosing block triggering connecting lever and locking three stations triggering connecting lever are coaxial, synchronous rotary type Connecting lever, the triggering connecting lever that closes a floodgate are successively arranged rigid coincidence along the direction of action of closing operation and set and closing position, reclosing block touching Hair connecting lever and the locking three stations triggering respective trigger timing of connecting lever are before the rigid coincidence of triggering connecting lever arrival of closing a floodgate is set.
Scheme 2: on the basis of scheme 1, trip assembley therefor further includes combined floodgate dropout part, close a floodgate tripping connector, locating piece And cam, the combined floodgate dropout part, combined floodgate tripping connector and locating piece are sequentially connected and constitute four-bar mechanism, cam can Energy storage position is limited in a manner of shoring by locating piece, it can be with cam surface and triggering crank arm combined pressure of closing a floodgate after the limit of cam solution Dynamic connecting lever component rotates backward.
Scheme 3: on the basis of scheme 2, reclosing from lock set further include self-locking junction panel, self-locking junction panel along and conjunction The vertical direction guiding of lock triggering connecting lever pivot center is assemblied on side plate and has connector position portion, when tripping connection of closing a floodgate Part is moved to closing position, and self-locking junction panel along far from close a floodgate triggering connecting lever direction move set distance when, the company Fitting limiting section will mutually push up limit with the tripping connector that closes a floodgate, and reclosing block triggers connecting lever when with combined floodgate triggering connecting lever rotation Elastic component set on self-locking junction panel can be pushed upwards, and when the tripping connector that closes a floodgate resets, self-locking junction panel will be in institute It states the tripping connector that acts under the action of elastic component and prevent to close a floodgate and carries out closing operation again.
Scheme 4: on the basis of scheme 3, the connector limiting section by self-locking junction panel close combined floodgate dropout part The bending part of one end is constituted, and the tripping connector that closes a floodgate is equipped with bending part corresponding with the bending part.
Scheme 5: on the basis of scheme 3, the elastic component includes reseting pressuring spring, and reseting pressuring spring covers on a guide rod, Guide rod be moveable combination of guide rod and its movable direction it is identical with the movable direction of self-locking junction panel, reseting pressuring spring withstand on guide rod and Between self-locking junction panel.
Scheme 6: on the basis of scheme 5, reset tension spring, the maximum of reset tension spring are equipped between self-locking junction panel and side plate The corresponding force value of stretching travel is less than reseting pressuring spring and initially fixes the corresponding force value in position.
Scheme 7: on the basis of scheme 3, three-station linkage assemblies further include and locking three stations triggering crank arm The three station junction panel of locking of conjunction, locking three stations triggering connecting lever are the connecting lever of hook-type, three station junction panels of locking and self-locking company Jam plate guiding in the same direction is assemblied on side plate and is formed only can be driven self-locking junction panel to far from weight from three station junction panels of locking Closing locking triggers the single-direction transmission structure of the direction movement of connecting lever.
Scheme 8: on the basis of scheme 7, the hook portion of the locking three stations triggering connecting lever has the arc extended along hook portion The medial surface of shape.
Scheme 9: on the basis of scheme 8, three station junction panels of the locking trigger the one of connecting lever far from three stations of locking End is equipped with reversing mechanism, the reversing mechanism include fixed plate and being oriented to be assemblied in it is in fixed plate, be used for and three-station The stroke plate of valve connection, one in three station junction panels of stroke plate and locking equipped with arcuate socket, another be equipped with The radially movable guide pin of the arcuate socket cooperation.
Scheme 10: on the basis of scheme 9, the stroke that junction panel can be moved with three-station valve is greater than three works of locking Position junction panel drives the self-locking junction panel of reclosing to move to the minimum stroke that can limit tripping connector movement of closing a floodgate.
Breaker-three-station device uses following technical scheme:
Scheme 1: breaker-three-station device, including breaker, three-station and interlock, interlock It is opened including side plate and the trip assembley therefor being mounted on the mechanism side plate of breaker, breaker reclosing from lock set and three stations Lock set is correlated, the trip assembley therefor includes the triggering connecting lever that closes a floodgate, and breaker reclosing includes that reclosing block touches from lock set Connecting lever is sent out, three-station linkage assemblies include three station of the locking triggering connecting lever connecting with the valve of three-station, described Combined floodgate triggering connecting lever, reclosing block triggering connecting lever and locking three stations triggering connecting lever are coaxial, synchronous rotary type connecting lever, are closed Lock, which triggers connecting lever and is successively arranged rigid coincidence along the direction of action of closing operation, to be set and closing position, reclosing block trigger connecting lever and The three stations triggering respective trigger timing of connecting lever is latched before the rigid coincidence of triggering connecting lever arrival of closing a floodgate is set.
Scheme 2: on the basis of scheme 1, trip assembley therefor further includes combined floodgate dropout part, close a floodgate tripping connector, locating piece And cam, the combined floodgate dropout part, combined floodgate tripping connector and locating piece are sequentially connected and constitute four-bar mechanism, cam can Energy storage position is limited in a manner of shoring by locating piece, it can be with cam surface and triggering crank arm combined pressure of closing a floodgate after the limit of cam solution Dynamic connecting lever component rotates backward.
Scheme 3: on the basis of scheme 2, reclosing from lock set further include self-locking junction panel, self-locking junction panel along and conjunction The vertical direction guiding of lock triggering connecting lever pivot center is assemblied on side plate and has connector position portion, when tripping connection of closing a floodgate Part is moved to closing position, and self-locking junction panel along far from close a floodgate triggering connecting lever direction move set distance when, the company Fitting limiting section will mutually push up limit with the tripping connector that closes a floodgate, and reclosing block triggers connecting lever when with combined floodgate triggering connecting lever rotation Elastic component set on self-locking junction panel can be pushed upwards, and when the tripping connector that closes a floodgate resets, self-locking junction panel will be in institute It states the tripping connector that acts under the action of elastic component and prevent to close a floodgate and carries out closing operation again.
Scheme 4: on the basis of scheme 3, the connector limiting section by self-locking junction panel close combined floodgate dropout part The bending part of one end is constituted, and the tripping connector that closes a floodgate is equipped with bending part corresponding with the bending part.
Scheme 5: on the basis of scheme 3, the elastic component includes reseting pressuring spring, and reseting pressuring spring covers on a guide rod, Guide rod be moveable combination of guide rod and its movable direction it is identical with the movable direction of self-locking junction panel, reseting pressuring spring withstand on guide rod and Between self-locking junction panel.
Scheme 6: on the basis of scheme 5, reset tension spring, the maximum of reset tension spring are equipped between self-locking junction panel and side plate The corresponding force value of stretching travel is less than reseting pressuring spring and initially fixes the corresponding force value in position.
Scheme 7: on the basis of scheme 3, three-station linkage assemblies further include and locking three stations triggering crank arm The three station junction panel of locking of conjunction, locking three stations triggering connecting lever are the connecting lever of hook-type, three station junction panels of locking and self-locking company Jam plate guiding in the same direction is assemblied on side plate and is formed only can be driven self-locking junction panel to far from weight from three station junction panels of locking Closing locking triggers the single-direction transmission structure of the direction movement of connecting lever.
Scheme 8: on the basis of scheme 7, the hook portion of the locking three stations triggering connecting lever has the arc extended along hook portion The medial surface of shape.
Scheme 9: on the basis of scheme 7, three station junction panels of the locking trigger the one of connecting lever far from three stations of locking End is equipped with reversing mechanism, and the reversing mechanism includes that fixed plate and guiding are assemblied in fixed plate and three-station valve The stroke plate of connection, one in three station junction panels of stroke plate and locking equipped with arcuate socket, another be equipped with it is described The radially movable guide pin of arcuate socket cooperation.
Scheme 10: on the basis of scheme 9, the stroke that junction panel can be moved with three-station valve is greater than three works of locking Position junction panel drives the self-locking junction panel of reclosing to move to the minimum stroke that can limit tripping connector movement of closing a floodgate.
The beneficial effects of the present invention are: since reclosing block triggering connecting lever and three stations of locking trigger the respective touching of connecting lever Therefore hair opportunity, opens before the rigid coincidence of triggering connecting lever arrival of closing a floodgate is set before breaker closes a floodgate completely and in three stations Before pass valve fully opens, corresponding self-locking and interlocking is just may be implemented in breaker and three-station, is thus solved The problem of breaker and three-station can not interlock in operation.
Detailed description of the invention
Fig. 1 is the perspective view of breaker Yu three-station interlock;
Fig. 2 is the main view of breaker Yu three-station interlock;
Fig. 3 be when realizing in-place closing during breaker closing tripping combined floodgate trip assembley therefor and reclosing from lock set position The main view set;
Fig. 4 is that breaker closing starts to realize the main view of self-locking position in the process;
Fig. 5 is that breaker closing starts to realize locking three-station (three stations is made to can not achieve operation) position in the process Main view;
Three-station valve pulls the main view of stroke plate maximum travel position when Fig. 6 is breaker closing position;
Three-station starts to realize the main view of reliable locking breaker switching-on operation when Fig. 7 is breaker open operation position Figure.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of breaker and three-station interlock of the invention, as shown in Figures 1 to 7.
Introduce the composition part of the device and the structure of each section and effect first herein.The device specifically contains three A chief component, they are respectively trip assembley therefor, breaker reclosing from lock set and three-station linkage assemblies, this Three parts are mounted on the mechanism side plate of breaker.The mentality of designing of the device is: according to the installation position of trip assembley therefor Principle is set and threaded off to be designed and arranged breaker reclosing from lock set, according to breaker reclosing from the installation position of lock set It sets with self-lock mechanism and is designed and arranged and three-station linkage assemblies.
Trip assembley therefor is mainly used for the closing operation of breaker, and Fig. 1,2,3,4,6,7 show the composition of trip assembley therefor And arrangement connection relationship.Referring in particular to shown in Fig. 2, trip assembley therefor includes cam 1, bearing 2, combined floodgate dropout part 3, tripping company of closing a floodgate Fitting 4, locating piece 5, close a floodgate triggering connecting lever 14 and combined floodgate idler wheel 15.Its middle (center) bearing 2 is assemblied on a side of cam 1, shape At the structure that can be used for supporting of 1 corresponding side of cam, the effect of fulcrum is functioned similarly to.Combined floodgate dropout part 3 is trip assembley therefor Input terminal, in use, operated by combined floodgate dropout part 3, in the present embodiment, combined floodgate dropout part 3 specifically using Close a floodgate tripping plate, and the side for the tripping plate that closes a floodgate for operating easily, also devises ear edge in a manner of bending.Tripping of closing a floodgate connects Part 4 plays the role of connecting combined floodgate dropout part 3 and locating piece 5, and the tripping connector 4 that closes a floodgate herein is specifically also the board-like knot used Structure, for the connecting plate of threading off that closes a floodgate.Locating piece 5 primarily serves the effect limited to cam 1, and in the present embodiment, locating piece 5 is Angle-shaped piece, certainly, in other embodiments, locating piece 5 can also be brought in such cases using straight-bar or circular arc bar Consequence be only increased the volume of device, but it is also that can play the role of limiting cam.It can by Fig. 1 Know, combined floodgate dropout part 3, close a floodgate tripping connector 4, locating piece 5 are sequentially connected and form four-bar mechanism.Close a floodgate triggering connecting lever 14 are used for trigger mechanism so that breaker carries out feed motion, and structure and principle are the prior art, and it will not go into details herein.It closes a floodgate Idler wheel 15 is mounted at the side for the triggering connecting lever 14 that closes a floodgate, and is used to cooperate with the cam surface of the cam 1 of release to reduce and close a floodgate There is the risk of clamping stagnation at both abrasions and reduction at triggering connecting lever 14 and 1 cooperation of cam cooperation, sees Fig. 3.
During use, when pressing combined floodgate dropout part 3, then locating piece 5 will be in the work of tripping connector that closes a floodgate With lower movement and bearing 2 is removed, releases the limit to cam 1, the cam 1 of energy storage at this time will rotate and combined floodgate is driven to touch Hair connecting lever 14 acts together, and then can complete the closing operation to breaker.
Breaker reclosing includes the first positioning screw 6, the self-locking junction panel 8 of reclosing, the first fixed pin shaft from lock set 9, reclosing block triggering connecting lever 10, chain buffer screw 11, reseting pressuring spring 12 and the first reset tension spring 7.First positioning screw 6 It is fixed on mechanism side plate, specific fixed form can select as needed, such as welding, threaded connection.The self-locking company of reclosing Jam plate 8 is mounted on mechanism side plate by the first positioning screw 6 and limits motion profile by the first positioning screw 6 simultaneously, is weighed herein The close a floodgate hole of self-locking junction panel 8 and the cooperation of the first positioning screw 6 is slotted hole, so that the self-locking junction panel 8 of reclosing can be Along straight reciprocating motion on mechanism side plate, the first fixed pin shaft 9 is fixed on the self-locking junction panel 8 of reclosing, primarily to It realizes the linkage with three-station linkage assemblies, specifically hereafter has and be discussed in detail, wouldn't repeat herein.Reclosing block Triggering connecting lever 10 and close a floodgate triggering 14 coaxial line of connecting lever, synchronous setting, the two is fixedly mounted on the same axis herein, but It is emphasized that the two can also be the structure of integral type, they are not limited to integral structure certainly, such as manufacture respectively After be fixed to each other, it is relatively fixed etc..Chain 11 guiding movement of buffer screw is assemblied on the self-locking junction panel 8 of reclosing, guiding Moving direction is consistent with the direction of the opposite mechanism side plate movement of the self-locking junction panel 8 of reclosing, and 12 sets of reseting pressuring spring in chain buffering On screw 11, when pressing chain buffer screw 11, if the self-locking junction panel 8 of reclosing is failure to actuate, the compression storage of reseting pressuring spring 12 Energy.First reset tension spring 7 is connected between the self-locking junction panel 8 of reclosing and mechanism side plate.The maximum of first reset tension spring 7 is set The corresponding force value of stretching travel is less than the initially corresponding force value in fixed position of reseting pressuring spring 12, guarantees that the first reset tension spring 7 will not Influence upward (orientation shown in Fig. 1) movement of the self-locking junction panel 8 of reclosing.
In making process, the self-locking triggering connecting lever 10 of reclosing will be rotated together with the triggering connecting lever 14 that closes a floodgate, in rotation In the process, press matching relationship will be constituted with chain buffer screw 11, used due to the self-locking triggering connecting lever 10 of reclosing It is cam structure, therefore can gives chain buffer screw 11 1 drivings far from its axis, if not to the self-locking company of reclosing The position of jam plate 8 limits, then the self-locking junction panel 8 of reclosing will generate corresponding movement.Certainly, when the self-locking touching of reclosing It sends out connecting lever 10 to reset, when to the event resolves of chain buffer screw 11, the first reset tension spring 7 can drive reclosing self-locking chain Plate 8 resets.
Reclosing block triggering connecting lever 10, which is arranged, can trigger the stroke of the self-locking movement of junction panel 8 of reclosing certainly greater than reclosing Lock junction panel 8 can limit the stroke that reclosing tripping connector 4 needs, and it is former using cam design that reclosing block triggers connecting lever 10 Reason, the self-locking junction panel 8 of reclosing are provided with connector made of bending at one end of reclosing tripping connector 4 and limit Portion, under the action of reclosing block triggers connecting lever 10, reclosing tripping connector 4 has been just before reaching rigid coincidence and setting for breaker Through being limited by the self-locking junction panel 8 of reclosing;When gate-dividing state, under the action of the first reset tension spring 7, the self-locking junction panel of reclosing 8 can returning quickly, avoid influencing closing operation next time.
Three-station linkage assemblies include locking three stations triggering connecting lever 13, locking three station junction panels 16, stroke plate 17, fixed plate 18, the second positioning screw 19, the second reset tension spring 20 and the second fixed pin shaft 21.It is latched three stations triggering connecting lever 13 is coaxial, synchronous with the triggering connecting lever 14 that closes a floodgate, and is fixedly mounted on the same axis with the triggering connecting lever 14 that closes a floodgate, and specifically adopts It is hook arm type structure, hook portion uses arc-shaped structure, and the medial surface of hook portion forms the arc surface extended along hook portion, locking three Station junction panel 16 is cooperated by the second positioning screw 19 being fixed on mechanism side plate with mechanism side plate, with the second positioning spiral shell The hole of nail cooperation is slotted hole, therefore can form movement in the same direction relative to mechanism side plate and the self-locking junction panel 8 of reclosing.It closes Three station junction panels, 16 bottom solder-bump is locked to be located within the scope of locking three stations triggering 13 circular arc hook portion covering radius of connecting lever, if Setting three-station valve drives the range of locking three station junction panels 16 movement to be greater than locking three stations triggering connecting lever 13 It is latched three station junction panels 16 movable stroke when in place, ensure that and be latched three stations triggering connecting lever 13 before rigid coincidence is set just Three station junction panels 16 of locking can be limited to move upwards, to limit three-station valve opening.In addition, three stations of locking connect Long hole corresponding with the first fixed pin shaft is additionally provided on jam plate 16, the first fixed pin shaft 9 is located on three station junction panels therewith The bottom of corresponding long hole (close to one end of locking three stations triggering connecting lever).Second reset tension spring 20 is used to give locking three stations Junction panel 16 provides the power far from locking three stations triggering connecting lever direction movement, and the effect of the second fixed pin shaft 21 is to realize It is latched the connection of three station junction panels and mechanism side plate, it will not go into details herein.Cooperation is oriented between fixed plate 18 and stroke plate 17, The guide direction of stroke plate 17 and the direction of motion of three station junction panels 16 of locking are orthogonal, therefore are latched three station junction panels It is provided with guide pin on 16, the pilot hole of arc is provided on stroke plate, guide pin is inserted in together form in the pilot hole of arc and change To transmission mechanism, meanwhile, when stroke plate and locking three station junction panels in any one by it is locked when, then another can not Movement.Three-station valve drives the stroke of locking three station junction panels 16 movement to be greater than three station junction panels 16 of locking and drives The self-locking junction panel 8 of reclosing, which moves to, can limit the minimum stroke that reclosing tripping connector 4 moves, when open position, three works Bit switch valve pulls stroke plate 17 to move, and drives three station junction panels 16 of locking to move upwards, drives reclosing self-locking chain Plate 8 moves upwards, and realizes the function of being latched breaker switching-on operation when three-station valve does not fully open, prevents from operating Falsely close circuit breaker when three-station.
Three stations triggering connecting lever is latched during rotating with the triggering connecting lever that closes a floodgate, " hook portion " can hook three works of locking Position junction panel, to prevent it from moving.
The principle of the matching relationship between the above three parts and interaction is described below.
The triggering connecting lever that closes a floodgate in Fig. 2 is in closing position, and the other parts of interlock are in initial position, and close a floodgate behaviour When making, pressing combined floodgate dropout part realizes cam tripping, and it is counterclockwise along cam profile to press lock idler wheel 15 for cam 1 in making process Movement drives the triggering connecting lever 14 that closes a floodgate, reclosing block connecting lever 10 and three stations of locking triggering connecting lever 13 along counterclockwise movement, real Existing closing operation.First fixed pin shaft 9 is welded on the self-locking junction panel 8 of reclosing, three station junction panels 16 and first are latched Fixed pin shaft 9 connects, and establishes the self-locking junction panel 8 of reclosing and the locking interactional bridge of three station junction panel 16.It will close It locks three station junction panels 16 to be connected on stroke plate 17 by guide pin (screw), stroke plate 17 is connected by screw in fixed plate 18 On, the row for converting the stroke for being latched the movement of three station junction panels, 16 vertical direction to 17 horizontal movement of stroke plate has been achieved The stroke that stroke plate 17 moves is associated by journey with three-station valve movement travel, realizes three station junction panels of locking 16 movement is controlled by three-station.
As shown in figure 3, moving to bottom from the tripping of achievable combined floodgate to the tripping plate 3 that closes a floodgate when the tripping plate 3 that closes a floodgate moves downward During, even if the moment for tripping of closing a floodgate closes a floodgate, triggering connecting lever 10, which is reached rapidly, can trigger that reclosing is self-locking or closing position, The structure of bending set by combined floodgate tripping 4 end of connector can suppress the self-locking junction panel 8 of reclosing and move upwards, and triggering of closing a floodgate is turned Arm 10 is allowed to move upwards by buffer screw 11 is pressed, and moving displacement is imposed on reseting pressuring spring 12 makes its compression, Zhi Daohe Lock tripping 3 return of plate and when being detached from the self-locking junction panel 8 of reclosing, under the action of reseting pressuring spring, the self-locking junction panel 8 of reclosing is fast Speed moves up to the closing operation motion path for the tripping connector that closes a floodgate, and realizes that reclosing is reliably self-locking.
The triggering connecting lever 10 that closes a floodgate has i.e. that coincidence is set (i.e. by closing position), rigid coincidence is set (just in the combined floodgate direction of motion Close a floodgate but not completely in place) and closing position (in-place closing), as shown in figure 4, closing a floodgate in making process triggers 10 edge of connecting lever When the tripping disengaging reclosing of connector 4 that closes a floodgate self-locking junction panel 8, weight can be realized to when i.e. coincidence is set in counterclockwise movement It closes a floodgate reliable self-locking.It closes the rigid coincidence of positional distance and sets 13o, distance switching-in position 25o.If setting closing position in rigid coincidence Between breaker there is the stuck phenomenon of closing a floodgate, just to set the reliable reclosing of 13o realization self-locking for coincidence in advance for breaker at this time, Anti- locking mechanism can carry out closing operation again, damage to contact in arc-chutes.
As shown in figure 5, be latched in making process three stations triggering connecting lever 13 along counterclockwise movement to shown position when, can be real Now reliably it is latched three-station (three-station valve is prevented to open and operated).Shown position sets 14 apart from rigid coincidence O, distance switching-in position 30o.If setting breaker between closing position in rigid coincidence stuck phenomenon of closing a floodgate occurs, break at this time Just coincidence sets the reliable locking three-station of 14o realization to road device in advance, operates three stations in the case of preventing route from connecting and opens It closes, avoids the generation of personal injury.
As shown in fig. 6, the first fixed pin shaft 9 is welded on the self-locking junction panel 8 of reclosing, three station junction panels 16 of locking connect It connects on the first fixed pin shaft 9, the first fixed pin shaft 9 is located on three station junction panels 16 of locking under slotted hole when gate-dividing state End.When operating three-station at this time, stroke plate 17 is pulled, under the action of fixed plate, drives three station junction panels 16 of locking It moves upwards, three station junction panels 16 of locking drive the self-locking junction panel 8 of reclosing to move upwards by the first fixed pin shaft 9, real The function of existing gate-dividing state three-station locking breaker switching-on operation.Position as shown simultaneously, the position are stroke plate fortune The position that locking breaker switching-on operation may be implemented is moved, stroke plate only moves less than half of stroke at this time, improves three Position switch is latched the reliability of breaker cooperation operation.
As shown in fig. 7, locking three stations triggering connecting lever 13 once in place, drives locking three during breaker closing Station junction panel 16 can only do exercises a trip under the action of stroke plate 17, and shown position is that be latched three stations chain The extreme higher position that plate 16 moves upwards, while being also the movable maximum travel position of stroke plate 17, to realize three works of locking Bit switch valve cannot be opened, and three-station cannot be operated.
Breaker-three-station device embodiment, which includes breaker, three-station and theirs is chain Device, wherein breaker, three-station structure be the prior art, it will not go into details herein.The structure of interlock with it is above-mentioned The structure of the embodiment of interlock is identical, and it will not go into details herein.

Claims (20)

1. breaker and three-station interlock, which is characterized in that including mechanism side plate and be mounted on mechanism side plate Trip assembley therefor, breaker reclosing from lock set and three-station linkage assemblies, the trip assembley therefor includes for triggering So that the combined floodgate that breaker carries out feed motion triggers connecting lever, breaker reclosing includes being used for anti-locking mechanism from lock set for mechanism Closing operation is carried out again, realizes that the reliable self-locking reclosing block of reclosing triggers connecting lever, three-station linkage assemblies packet It includes for preventing three-station valve from opening and being operated, realized three station of the locking triggering of reliable locking three-station Connecting lever, the combined floodgate triggering connecting lever, reclosing block triggering connecting lever and locking three stations triggering connecting lever are coaxial, synchronous rotation Formula connecting lever, the triggering connecting lever that closes a floodgate are successively arranged rigid coincidence along the direction of action of closing operation and set and closing position, reclosing block Triggering connecting lever and the locking three stations triggering respective trigger timing of connecting lever are before the rigid coincidence of triggering connecting lever arrival of closing a floodgate is set.
2. breaker according to claim 1 and three-station interlock, which is characterized in that trip assembley therefor further includes Combined floodgate dropout part, close a floodgate tripping connector, locating piece and cam, and the combined floodgate dropout part, close a floodgate tripping connector and locating piece It is sequentially connected and constitutes four-bar mechanism, cam can be limited energy storage position, the limit of cam solution by locating piece in a manner of shoring After can with cam surface and close a floodgate triggering crank arm combined pressure move connecting lever component rotate backward.
3. breaker according to claim 2 and three-station interlock, which is characterized in that reclosing is from lock set It further include self-locking junction panel, self-locking junction panel is assemblied in mechanism side along the direction guiding vertical with the triggering connecting lever pivot center that closes a floodgate On plate and there is connector position portion, moved when closing a floodgate tripping connector to closing position, and self-locking junction panel is closed along separate When lock triggers the direction movement set distance of connecting lever, the connector limiting section will mutually push up limit with the tripping connector that closes a floodgate, weight Closing locking triggers connecting lever can push elastic component set on self-locking junction panel when rotating with the triggering connecting lever that closes a floodgate upwards, work as conjunction When lock tripping connector resets, self-locking junction panel will act under the action of the elastic component and prevent the tripping connector that closes a floodgate Closing operation is carried out again.
4. breaker according to claim 3 and three-station interlock, which is characterized in that the connector limit Portion is made of the bending part of one end of the close combined floodgate dropout part of self-locking junction panel, and the tripping connector that closes a floodgate is equipped with and the folding The corresponding bending part of turn of bilge.
5. breaker according to claim 3 and three-station interlock, which is characterized in that the elastic component includes Reseting pressuring spring, reseting pressuring spring cover on a guide rod, and guide rod is moveable combination of guide rod and its movable direction and self-locking junction panel Movable direction is identical, and reseting pressuring spring is withstood between guide rod and self-locking junction panel.
6. breaker according to claim 5 and three-station interlock, which is characterized in that self-locking junction panel and machine Reset tension spring is equipped between structure side plate, the corresponding force value of maximum tension stroke of reset tension spring is less than the initial fixed bit of reseting pressuring spring Set corresponding force value.
7. breaker according to claim 3 and three-station interlock, which is characterized in that three-station is chain Component further includes the three station junction panel of locking with locking three stations triggering connecting lever cooperation, and locking three stations triggering connecting lever is hook-type Connecting lever, three station junction panels of the locking guiding in the same direction with self-locking junction panel is assemblied on mechanism side plate and is formed only can be by being latched The single-direction transmission structure that three station junction panels drive self-locking junction panel to move to the direction far from reclosing block triggering connecting lever.
8. breaker according to claim 7 and three-station interlock, which is characterized in that three stations of the locking The hook portion of triggering connecting lever has the medial surface of the arc extended along hook portion.
9. breaker according to claim 7 and three-station interlock, which is characterized in that three stations of the locking Junction panel is equipped with reversing mechanism far from one end of locking three stations triggering connecting lever, and the reversing mechanism includes fixed plate and guiding dress Stroke plate in fixed plate, for connecting with three-station valve is fitted over, in three station junction panels of stroke plate and locking One is equipped with arcuate socket, another is equipped with the radially movable guide pin with arcuate socket cooperation.
10. breaker according to claim 9 and three-station interlock, which is characterized in that junction panel can be with three The stroke of position switch valve movement drives the self-locking junction panel of reclosing to move to greater than three station junction panels of locking can limit conjunction The minimum stroke of lock tripping connector movement.
11. breaker-three-station device, including breaker, three-station and interlock, which is characterized in that chain Device include mechanism side plate and the trip assembley therefor being mounted on the mechanism side plate of breaker, breaker reclosing from lock set and Three-station linkage assemblies, the trip assembley therefor includes for trigger mechanism so that breaker carries out the combined floodgate touching of feed motion Hair connecting lever, breaker reclosing include carrying out closing operation, realization reclosing again for anti-locking mechanism reliably certainly from lock set The reclosing block of lock triggers connecting lever, and three-station linkage assemblies include being connect with the valve of three-station for preventing Three station of the locking triggering connecting lever of reliable locking three-station is opened and operated, realized to three-station valve, described Combined floodgate triggering connecting lever, reclosing block triggering connecting lever and locking three stations triggering connecting lever are coaxial, synchronous rotary type connecting lever, are closed Lock, which triggers connecting lever and is successively arranged rigid coincidence along the direction of action of closing operation, to be set and closing position, reclosing block trigger connecting lever and The three stations triggering respective trigger timing of connecting lever is latched before the rigid coincidence of triggering connecting lever arrival of closing a floodgate is set.
12. breaker according to claim 11-three-station device, which is characterized in that trip assembley therefor further includes closing Lock dropout part, close a floodgate tripping connector, locating piece and cam, the combined floodgate dropout part, close a floodgate tripping connector and locating piece according to Secondary connection and constitute four-bar mechanism, cam can be limited energy storage position by locating piece in a manner of shoring, after the limit of cam solution Connecting lever component can be moved with triggering crank arm combined pressure of closing a floodgate with cam surface to rotate backward.
13. breaker according to claim 12-three-station device, which is characterized in that reclosing from lock set also Including self-locking junction panel, self-locking junction panel is assemblied in mechanism side plate along the direction guiding vertical with the triggering connecting lever pivot center that closes a floodgate Above and there is connector position portion, is moved when closing a floodgate tripping connector to closing position, and self-locking junction panel closes a floodgate along separate When triggering the direction movement set distance of connecting lever, the connector limiting section will mutually push up limit with the tripping connector that closes a floodgate, and be overlapped Lock locking triggering connecting lever can push elastic component set on self-locking junction panel when rotating with the triggering connecting lever that closes a floodgate upwards, work as combined floodgate When connector of threading off resets, self-locking junction panel will act under the action of the elastic component and prevent to close a floodgate tripping connector again Secondary carry out closing operation.
14. breaker according to claim 13-three-station device, which is characterized in that the connector limiting section It is made of the bending part of one end of the close combined floodgate dropout part of self-locking junction panel, the tripping connector that closes a floodgate is equipped with and the bending The corresponding bending part in portion.
15. breaker according to claim 13-three-station device, which is characterized in that the elastic component includes multiple Position pressure spring, reseting pressuring spring covers on a guide rod, guide rod be moveable combination of guide rod and its movable direction and self-locking junction panel can Activity direction is identical, and reseting pressuring spring is withstood between guide rod and self-locking junction panel.
16. breaker according to claim 15-three-station device, which is characterized in that self-locking junction panel and mechanism Reset tension spring is equipped between side plate, the corresponding force value of maximum tension stroke of reset tension spring is less than reseting pressuring spring and initially fixes position Corresponding force value.
17. breaker according to claim 13-three-station device, which is characterized in that chain group of three-station Part further includes the three station junction panel of locking with locking three stations triggering connecting lever cooperation, and locking three stations triggering connecting lever is hook-type Connecting lever, three station junction panels of locking and self-locking junction panel guiding in the same direction are assemblied on mechanism side plate and are formed only can be by locking three The single-direction transmission structure that station junction panel drives self-locking junction panel to move to the direction far from reclosing block triggering connecting lever.
18. breaker according to claim 17-three-station device, which is characterized in that the touching of three stations of the locking The hook portion of hair connecting lever has the medial surface of the arc extended along hook portion.
19. breaker according to claim 17-three-station device, which is characterized in that three stations of the locking connect Jam plate is equipped with reversing mechanism far from one end of locking three stations triggering connecting lever, and the reversing mechanism includes fixed plate and guiding assembly On one in stroke plate in fixed plate, being connect with three-station valve, stroke plate and three station junction panels of locking Equipped with arcuate socket, another is equipped with the radially movable guide pin with arcuate socket cooperation.
20. breaker according to claim 19-three-station device, which is characterized in that junction panel can be with three stations The stroke that openning and dosing bib moves, which is greater than to be latched the three station junction panels drive self-locking junction panel of reclosing and move to limit to close a floodgate, to be taken off The minimum stroke of snap connector movement.
CN201611000309.6A 2016-11-14 2016-11-14 Breaker and three-station interlock and breaker-three-station device Active CN106409563B (en)

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CN107527759B (en) * 2017-08-23 2019-01-01 许继集团有限公司 Three-station-release unit and its interlock
EP3503145B1 (en) 2017-12-22 2023-04-19 Defond Electech Co., Ltd A locking system for use with a trigger assembly of an electrical device
CN108461360B (en) * 2018-03-29 2023-09-29 舍恩高电气有限责任公司 Mechanical structure driven circuit breaker reclosing mechanism
CN110459427B (en) * 2019-06-27 2021-04-02 许继集团有限公司 Load switch-fuse combined electrical apparatus and tripping device thereof
CN113851340B (en) * 2021-08-20 2023-11-07 平高集团有限公司 Three-station operating mechanism and switch cabinet

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