CN106504919B - A kind of device for switching and its spring operating mechanism - Google Patents
A kind of device for switching and its spring operating mechanism Download PDFInfo
- Publication number
- CN106504919B CN106504919B CN201610909949.2A CN201610909949A CN106504919B CN 106504919 B CN106504919 B CN 106504919B CN 201610909949 A CN201610909949 A CN 201610909949A CN 106504919 B CN106504919 B CN 106504919B
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- China
- Prior art keywords
- connecting lever
- holder
- output shaft
- spring
- holding rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 53
- 238000004146 energy storage Methods 0.000 claims description 38
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of device for switching and its spring operating mechanisms, spring operating mechanism includes mounting bracket, mounting bracket is equipped with output shaft, output shaft has closing position and sub-gate position, driven connecting lever is installed on output shaft, turning set is equipped with active connecting lever on output shaft, active connecting lever has release travel in its rotational travel, output shaft is equipped with Stop structure, holder is rotatably equipped on mounting bracket, holder has stop section, stop section is used to coordinate so that output shaft block is located in corresponding closing position or sub-gate position before active connecting lever strikes driven connecting lever to Stop structure block, holder has the locking position for making stop section coordinate with Stop structure block in rotational travel, holder also has solution lock section, solution lock section is used to be struck by the active connecting lever in corresponding release travel to force holding rod rotation to be detached from locking position.The block of output shaft is positioned using holder, avoids output shaft from being rotated before active connecting lever strikes driven connecting lever, improves device for switching security performance.
Description
Technical field
The present invention relates to a kind of device for switching and its spring operating mechanisms.
Background technology
High speed grounding switch is Cubicle Gas-Insulated Switchgear（GIS）A significant components, configure in outlet
The outgoing line interval in circuit switchs side, when there is creepage phenomenon in enclosure insulator or enclosure is burnt, rapid grounding
Major loop rapid grounding is utilized circuit breaker trip fault current by switch.
The structure of existing high speed grounding switch such as Authorization Notice No. is the Chinese utility model patent of CN203521278U
Disclosed in Quick ground switch device, including shell is equipped with transmission mechanism, moving contact and junction block, driver in shell
Structure is sequentially connected with moving contact, and transmission mechanism includes shaft and connecting rod, and shaft is equipped with connecting lever, and connecting lever passes through connecting rod and moving contact
It is sequentially connected.When carrying out breaking-closing operating, shaft is driven as the output shaft by driving device driving rotation by connecting lever, connecting rod
Dynamic moving contact is moved back and forth in the up-down direction to realize breaking-closing operating.
Existing high pressure, extra-high voltage GIS high speed grounding switch generally use electric spring operating mechanism as its driving dress
It sets, spring operating mechanism includes active connecting lever of the turning set on output shaft, and the active connecting lever first line of a couplet is connected to energy-stored spring structure,
Energy-stored spring structure includes that the upper spring lever that sliding is set in together and lower spring lever, upper spring lever are equipped with by active connecting lever
Driven axis pin and active connecting lever it is hinged, lower spring lever is then hinged on the shell of earthing switch, is set on two spring levers
Energy-stored spring, the upper spring seat top pressure that the upper end of energy-stored spring is equipped with upper spring lever coordinates, lower end is set on lower spring lever
Some lower spring cup top pressures coordinate, and driven connecting lever is installed in active connecting lever side on output shaft, and driven connecting lever has to extension
The combined floodgate support arm and separating brake support arm stretched.Active connecting lever is closed around output shaft by motor by the way that active connecting lever transmission mechanism drives
Lock rotate and separating brake rotation, active connecting lever in its rotational travel have force energy-stored spring carry out energy storage energy storage stroke and by
Cross the release travel of the energy-stored spring driving rotation at dead point.When needing to carry out closing operation, motor drives active connecting lever to carry out
Close a floodgate rotation, active connecting lever on combined floodgate energy storage stroke by compressed energy-storage spring so that energy-stored spring energy storage, until rotation is till death
Point position, i.e. active connecting lever and two spring levers is coaxial, and after crossing dead point, active connecting lever is in combined floodgate release travel, energy-stored spring
For release elastic acting force to drive active connecting lever to rotate, active connecting lever will pass through the combined floodgate support arm top of driven axis pin and driven connecting lever
Cooperation is pushed away, driven connecting lever is driven to carry out combined floodgate rotation with output shaft, to driving moving contact mobile towards static contact direction
Realize closing operation.When needing to carry out sub-switching operation, motor drives active connecting lever to carry out separating brake rotation, and active connecting lever is in separating brake
By compressed energy-storage spring so that energy-stored spring energy storage on energy storage stroke, until turning to dead-centre position, i.e. active connecting lever and two bullets
Spring base is coaxial, and after crossing dead point, active connecting lever is in separating brake release travel, and energy-stored spring discharges elastic acting force to drive actively
Connecting lever rotates, and active connecting lever will be coordinated by the separating brake support arm pushing tow of driven axis pin and driven connecting lever, drive driven connecting lever with
Output shaft carries out separating brake rotation, and sub-switching operation is realized to drive moving contact mobile away from static contact direction.I.e. in master
Compressed energy-storage spring carries out energy storage in dynamic connecting lever rotation process, crosses compressed energy-stored spring release drive active connecting lever behind dead point
Rotation then hits driven connecting lever and drives output shaft rotation, and then drives the breaking-closing operating of high speed grounding switch.
Above-mentioned active connecting lever is mounted on by bearing on output shaft, and the two can be relatively rotated flexibly.In spring energy-storage
In the process, output shaft directly couples with moving contact transmission mechanism.If the direction of motion of moving contact is perpendicular to the ground, moving contact is downward
Movement is to realize combined floodgate or separating brake, so, moving contact close a floodgate or during separating brake can by gravity, due to
Spring operating mechanism can not limit the rotation of output shaft during spring energy-storage, and moving contact under gravity will
It moves downward to carry out corresponding separating brake or feed motion, and output shaft can be driven to synchronize rotation, cause moving contact in master
Dynamic connecting lever strikes advancement before driven connecting lever.In high speed grounding switch capacity test or actual moving process, spring is excessively dead
Before point release, due to gravity, the movement in advance that moving contact occurs can cause that insulation distance is too small to be caused punch through, or even occur
Explosion, safety are poor.
Invention content
It is existing in the prior art to solve the purpose of the present invention is to provide a kind of device for switching spring operating mechanism
Output shaft is the technical issues of rotation causes moving contact to move in advance before energy-stored spring crosses dead point release；Meanwhile the present invention also carries
For a kind of device for switching using above-mentioned spring operating mechanism.
To achieve the above object, the technical solution of device for switching provided by the present invention spring operating mechanism is：It is a kind of
Device for switching spring operating mechanism, including mounting bracket, mounting bracket is equipped with to be divided for the moving contact of driving switch electric appliance
The output shaft of feed motion, output shaft have closing position and sub-gate position at its rotational travel both ends, are installed on output shaft driven
Connecting lever, turning set is equipped with for striking driven connecting lever to drive output shaft reciprocating rotary between closing position and sub-gate position on output shaft
Dynamic active connecting lever, active connecting lever are sequentially connected with energy-stored spring structure, and active connecting lever has in its rotational travel forces storage
The energy storage stroke of energy spring structure energy storage and the release travel by crossing the energy-stored spring structure driving rotation at dead point, the output shaft
It is equipped with Stop structure, holder is rotatably equipped on mounting bracket, there is holder stop section, stop section to be used for and the block
The cooperation of structure block is protected so that output shaft block is located in corresponding closing position or sub-gate position before active connecting lever strikes driven connecting lever
There is gripping member the locking position for making stop section coordinate with Stop structure block, holder also to have solution lock section in its rotational travel,
Solution lock section is used to be struck by the active connecting lever in corresponding release travel to force holding rod rotation to be detached from locking position.
Resetting spring is sequentially connected on the holder, resetting spring forces holder to be closed to described to holder application
The elastic acting force of lock-bit rotation.
The mounting bracket is equipped with for that will be protected in turn with the unidirectional block cooperation of holder in the rotation direction of holder
Locating shaft of the gripping member limit in the locking position.
The holder has for coordinating for the Stop structure pushing tow to overcome the active force of the resetting spring to compel
Holding rod is set to be detached from the pushing tow face of locking position rotation, pushing tow face is cambered surface or inclined-plane.
The holder is holding rod, and the stop section is the baffle for being set to the holding rod respective end, the solution
Lock section is the unlock rod segment being set on the holding rod, the direction block knot that the pushing tow face is set to the holding rod
The side of structure.
The technical solution of device for switching provided by the present invention using above-mentioned spring operating mechanism is：Device for switching, packet
The moving contact moved along the vertical direction is included, moving contact is driven by spring operating mechanism, and spring operating mechanism includes mounting bracket, installation
Frame is equipped with the output shaft that driving moving contact moves up and down, and output shaft has closing position and sub-gate position at its rotational travel both ends,
Driven connecting lever is installed on output shaft, turning set is equipped with for striking driven connecting lever to drive output shaft in closing position on output shaft
The active connecting lever of reciprocating rotation between sub-gate position, active connecting lever are sequentially connected with energy-stored spring structure, and active connecting lever is in its turn
There is the energy storage stroke for forcing energy-stored spring structure energy storage and the energy-stored spring structure driving by crossing dead point to rotate on dynamic stroke
Release travel, the output shaft are equipped with Stop structure, and holder is rotatably equipped on mounting bracket, and holder has stop section,
The moving contact is moved downward to realize that the combined floodgate or separating brake of device for switching, the stop section are used for and the Stop structure block
Cooperation by output shaft block before active connecting lever strikes driven connecting lever to be located in corresponding sub-gate position or closing position, and holder is at it
There is the locking position for making stop section coordinate with Stop structure block, holder also there is solution lock section, solution lock section to use in rotational travel
In being struck by the active connecting lever in corresponding release travel position is latched to force holding rod rotation to be detached from.
Resetting spring is sequentially connected on the holder, resetting spring forces holder to be closed to described to holder application
The elastic acting force of lock-bit rotation.
The mounting bracket is equipped with for that will be protected in turn with the unidirectional block cooperation of holder in the rotation direction of holder
Locating shaft of the gripping member limit in the locking position.
The holder has for coordinating for the Stop structure pushing tow to overcome the active force of the resetting spring to compel
Holding rod is set to be detached from the pushing tow face of locking position rotation, pushing tow face is cambered surface or inclined-plane.
The holder is holding rod, and the stop section is the baffle for being set to the holding rod respective end, the solution
Lock section is the unlock rod segment being set on the holding rod, the direction block knot that the pushing tow face is set to the holding rod
The side of structure.
The beneficial effects of the invention are as follows：In device for switching provided by the present invention, spring operating mechanism not only has energy storage
Spring structure is additionally provided with the holder for carrying out block positioning to output shaft, if the moving contact of device for switching is transported downwards
When moving the combined floodgate or separating brake to realize device for switching, the stop section of holder is then used to match with the Stop structure block on output shaft
It closes so that output shaft block is located in corresponding sub-gate position or closing position before active connecting lever strikes driven connecting lever, avoids actively turning
Arm, which strikes driven connecting lever, forces output shaft rotation advancement occurred by gravity to act preceding moving contact with moving contact,
It avoids output shaft from being rotated before active connecting lever strikes driven connecting lever, moving contact and corresponding static contact in device for switching is effectively ensured
Between insulation distance, improve the security performance of device for switching.Moreover, correspondingly, holder is equipped with solution lock section, by being in phase
It answers the active connecting lever in release travel to strike solution lock section to force holder rotation to be detached from locking position, ensures that active connecting lever is discharging
Normally output shaft can be forced to rotate by striking driven connecting lever on stroke, ensure normal operation.
Further, be sequentially connected resetting spring on holder, ensures effective block of holder, reduces holder to peace
The requirement of holding position.
Further, locating shaft is set on mounting bracket, the locating shaft be used for the unidirectional block of holder coordinate with reset
Holder block at locking position, is improved the block stability of holder by spring cooperation.
Further, holder has for the pushing tow face for the Stop structure pushing tow cooperation on output shaft, in this way can be with
Overcome and holder rotation is forced under the action of resetting spring to be detached from locking position, avoids holder obstruction drive by resetting spring defeated
Shaft is with moving contact normal power output upwards.Moreover, pushing tow face is designed as cambered surface or inclined-plane, facilitate Stop structure pushing tow
Holder rotation evacuation.
Further, holder is holder, not only facilitates setting stop section and solution lock section, moreover, facilitating active connecting lever
Impact unlock.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of embodiment of device for switching provided by the present invention.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of device for switching provided by the present invention, as shown in Figure 1, the device for switching in the embodiment is specific
Moving contact 2 for earthing switch, earthing switch is acted along the vertical direction for engaging, detaching with corresponding static contact, is moved and is touched
Head is identical as the dynamic/static contact in earthing switch in the prior art as the structure of static contact and matching relationship, no longer superfluous herein
It states.
The moving contact 2 of earthing switch is specifically driven by spring operating mechanism and is moved up and down, and spring operating mechanism includes installation
Frame（It is not shown in figure）, mounting bracket can be used the mounting bracket structure of spring operating mechanism in the prior art, rotated on mounting bracket
It is equipped with output shaft 11, output toggle arm 3, the end of output toggle arm 3 and 2 hinge mounted of moving contact are installed on output shaft 11, this
Sample carries out the reciprocal shifting in upper and lower directions in 11 rotation process of output shaft by the wobble drive moving contact 2 of output toggle arm 3
It is dynamic.
Specifically, coaxial on output shaft 11 to be rotatably equipped with runner 7 and active connecting lever 8, active connecting lever 8 it is separate
The end of output shaft 11 is sequentially connected with energy-stored spring structure by driving bearing pin 9, and active connecting lever has in its rotational travel
The energy storage stroke for forcing energy-stored spring structure energy storage and the release travel by crossing the energy-stored spring structure driving rotation at dead point, need
Illustrate, the rotational travel of active connecting lever is divided into combined floodgate oscillating stroke and separating brake oscillating stroke, and combined floodgate oscillating stroke includes closing
Lock energy storage stroke and combined floodgate release travel, separating brake oscillating stroke include separating brake energy storage stroke and separating brake release travel, the energy storage bullet
Spring structure is identical as the energy-stored spring structure of spring operating mechanism in the prior art, and energy-stored spring structure is slotting including sliding up and down
The upper spring lever 6 and lower spring lever 1 connect, is set with mechanism spring 4 on upper and lower spring lever, and the lower end of lower spring lever 1 is hinged on
On mounting bracket, the lower end of lower spring lever 1 is equipped with lower spring cup, and the upper end of upper spring lever 6 and driving bearing pin 9 are hinged, moreover, upper
Spiral is equipped with the adjusting nut 5 as upper spring seat on spring lever 6.In addition, being correspondingly provided on runner 7 between runner circumferential direction
Every the combined floodgate shifting block and separating brake shifting block of distribution, driving bearing pin has the pushing tow axis extended between combined floodgate shifting block and separating brake shifting block
Section.
Also, it is installed with driven connecting lever 10 on output shaft 11, has for being struck for driving bearing pin on driven connecting lever 10
Combined floodgate support arm 102 and separating brake support arm 101, corresponding, driving bearing pin, which has, extends to hitting between combined floodgate support arm and separating brake support arm
Spooling section.
It is moved downward by moving contact in Fig. 1 for being grounded switch and close a floodgate, Fig. 1 shows earthing switches to be in separating brake shape
State, output shaft are at open position, under the action of mechanism spring 4, driving bearing pin 9 that active connecting lever 8 is equipped with it is driven
101 pushing tow of separating brake support arm cooperation on connecting lever 10, and driven connecting lever is fitted through by 11 locking of output shaft with shunt switch buffer 12
It is located at open position.
When needing to carry out closing operation, runner 7 rotates counterclockwise, and is driven by pushing tow by the combined floodgate shifting block on runner 7
Pushing tow shaft part on axis pin 9 forces active connecting lever 8 to rotate counterclockwise, and active connecting lever 8 controls spring up and down when rotating counterclockwise
Bar, which plugs each other, forces 4 compressed energy-storage of mechanism spring, until active connecting lever 8, upper spring lever and lower spring lever are located at link transmission
When the dead-centre position of mechanism, 4 energy storage of mechanism spring finishes, this section of stroke of active connecting lever is combined floodgate energy storage stroke, active connecting lever 8
It will continue to rotate counterclockwise under effect of inertia, mechanism spring 4 releases energy after crossing dead point, forces active connecting lever 8 fast counterclockwise
Speed is rotated and is struck on the combined floodgate support arm 102 of driven connecting lever 10, and driven connecting lever 10 will be rotated counterclockwise with output shaft 11, defeated
Shaft 11 will drive moving contact 2 to move downward to carry out closing operation, until the combined floodgate support arm 102 of driven connecting lever 10 impinges upon conjunction
It on gated buffor 13, closes a floodgate and completes, active connecting lever is by crossing dead point to driving combined floodgate support arm to strike this section on closing buffer
Stroke is combined floodgate release travel.
When needing to carry out sub-switching operation, is rotated clockwise first by runner 7, top is passed through by the separating brake shifting block on runner 7
The pushing tow shaft part pushed away in driving bearing pin 9 forces active connecting lever 8 to rotate clockwise, and active connecting lever 8 is when rotating clockwise in control
Lower spring lever, which plugs each other, forces 4 compressed energy-storage of mechanism spring, connects until active connecting lever 8, upper spring lever and lower spring lever are located at
When the dead-centre position of bar transmission mechanism, 4 energy storage of mechanism spring finishes, this section of stroke of active connecting lever is separating brake energy storage stroke, main
Dynamic connecting lever 8 will continue to rotate clockwise under effect of inertia, and mechanism spring 4 releases energy after crossing dead point, forces active connecting lever suitable
Hour hands are quickly rotated and are struck on the separating brake support arm 101 of driven connecting lever 10, and driven connecting lever 10 will be clockwise with output shaft 11
Rotation, output shaft 11 will drive moving contact 2 to move upwards to carry out sub-switching operation, until the separating brake support arm 101 of driven connecting lever 10
It impinges upon on shunt switch buffer 12, separating brake is completed, and active connecting lever is by crossing dead point to driving separating brake support arm to strike shunt switch buffer
On this section of stroke be separating brake release travel.
When earthing switch is in combined floodgate or gate-dividing state, if runner does not rotate, active connecting lever 8 can be in mechanism bullet
The driven connecting lever of pushing tow 11 and then output shaft block is located in shunt switch buffer 12, the cooperation of closing buffer 13 under the action of spring
Closing position, sub-gate position.
When being rotated under driving effect of the active connecting lever 8 in runner 7 in combined floodgate energy storage stroke and turned with driven counterclockwise
When arm is detached from, driven connecting lever 10 and output shaft 11 are no longer influenced by the block effect of active connecting lever 8, and moving contact 2 is under the effect of gravity
It will move downward, this case where closing a floodgate in advance is more dangerous, is closed to ensure that driven connecting lever and output shaft strike in active connecting lever 8
Remains stationary state before lock support arm 102 in the present embodiment, is additionally provided on mounting bracket for determining the corresponding block of output shaft
Position strikes the closedown structure rotated before driven connecting lever in active connecting lever in corresponding closing position to avoid driven connecting lever and output shaft, should
Closedown structure includes holder of the rolling assembling on mounting bracket, which is specially guarantor of the hinge mounted in support shaft 16
Hold bar 15, be installed with the backing pin 14 as Stop structure on output shaft 11, holding rod 15 has a stop section, stop section be used for
14 block of backing pin coordinates so that 11 block of output shaft is located in corresponding sub-gate position before active connecting lever 8 strikes driven connecting lever 10,
There is advancement to avoid output shaft and moving contact, holding rod has in its rotational travel makes stop section be kept off with Stop structure
The locking position only coordinated, in addition, holding rod also has solution lock section, solution lock section by the active in corresponding release travel for being turned
The impact of arm 8 is to force holding rod rotation to be detached from locking position
In the present embodiment, the stop section on holding rod 15 is specially the baffle for being set to holding rod upper end, in addition, holder
On be sequentially connected with resetting spring, resetting spring applies the elastic reaction for forcing holder to be rotated to the locking position to holder
Power, resetting spring herein are specially the torsional spring 18 being sleeved in support shaft 16, one end top pressure of torsional spring 18 on holding rod 15,
Then on gear shaft 17, gear shaft 17 is fixedly arranged on mounting bracket top pressure the other end, torsional spring to holding rod 15 application force holding rod 15 to
It is latched the active force of position rotation.
Also, mounting bracket is equipped with for that will be protected in turn with the unidirectional block cooperation of holder in the rotation direction of holder
Gripping member limit is in the locating shaft of the locking position, and the locating shaft 19 is with the cooperation of 15 block of holding rod the limit of holding rod block to exist
It is latched at position.
Also, the solution lock section of holding rod 15 is specially to unlock rod segment, and the active connecting lever in combined floodgate release travel will push up
It pushes away unlock rod segment and forces holding rod rotation unlock, be no longer prevented from output shaft and rotate counterclockwise.
At this point, under the driving of mechanism spring 4, the combined floodgate of driven connecting lever 10 is struck by the active connecting lever 8 rotated counterclockwise
Support arm 102 so that driven connecting lever 10 is rotated with output shaft 11 towards closing position, until the combined floodgate support arm 102 of driven connecting lever 10
Closing buffer 13 is struck, under the mating reaction of closing buffer 13 and active connecting lever 8,11 locking of output shaft is located in
At closing position.It is corresponding to drive moving contact to move downward to realize the behaviour that closes a floodgate by output toggle arm when output shaft rotates counterclockwise
Make.
When need carry out sub-switching operation when, runner 7 rotates clockwise, at this point, the separating brake shifting block on runner 7 by pushing tow actively
Connecting lever 8 rotates clockwise, and active connecting lever 8 enters in separating brake energy storage stroke, with rotating clockwise for active connecting lever 8, mechanism bullet
4 compressed energy-storage of spring, when active connecting lever crosses dead-centre position under effect of inertia, mechanism spring release is to force active connecting lever fast
Speed rotation, strikes the separating brake support arm 101 of driven connecting lever 10, and driven connecting lever 10 quickly turns clockwise with output shaft 11
It is dynamic, drive moving contact to move upwards by output toggle arm, and then realize sub-switching operation.
It should be noted that being rotated clockwise in active connecting lever so that when driven axis pin is reversely detached from holding rod, in torsional spring
Under the action of, holding rod will be rotated towards locking position, still, since backing pin is in the lower section of the baffle of holding rod, it is therefore desirable to
Make the top top pressure of backing pin on holding rod, cause to hinder to ensure that holding rod will not rotate the separating brake of backing pin and output shaft,
Turned with overcoming the active force of torsional spring that holding rod is forced to be detached from locking position for coordinating for 14 pushing tow of backing pin so holding rod 15 has
Dynamic pushing tow face, when active connecting lever strikes the separating brake support arm 101 of driven connecting lever 10, output shaft 11 will be clockwise with backing pin 14
Rotation, rotation is to be avoided in the case where overcoming torsional spring active force for the meeting pushing tow of backing pin 14 holding rod 15, until output shaft 11
Sub-gate position is turned to, at this point, backing pin 14 just turns to the position coordinated with the baffle block of holding rod 15, in torsional spring 18 and is determined
Under the action of the axis 19 of position so that holding rod 15 is in locking position, is coordinated by the block of baffle and backing pin 14, ensures to output shaft
Effective block positioning.
Also, for convenience of the reversed pushing tow holding rod rotation of backing pin, the pushing tow face of backing pin 14 will be usually corresponded on holding rod 15
It is designed as cambered surface or inclined-plane.
In addition, when backing pin 14 turns to the position being detached from the pushing tow side on holding rod, holding rod 15 will be in torsional spring 2
Under the action of turn to locking position, at this point, the limit of holding rod 15 and 19 block of locating shaft coordinates, to ensure the gear on holding rod 15
Effective block of the plate to backing pin 14.
In spring operating mechanism in the earthing switch that the present embodiment is provided, although moving contact by gravity,
When active connecting lever is detached from driven connecting lever to enter in combined floodgate energy storage stroke, under the block effect of holding rod 15, output shaft 11
It can't rotate under the effect of gravity, until mechanism spring 4 discharges, active connecting lever 8 will drive the rotation of holding rod 15 unlock and same
When strike driven connecting lever 10 rotation, rotated with output shaft 11 by driven connecting lever 10, finally ensure mechanism spring 4 discharge and hit
Before dynamic connecting lever 10, situation about moving in advance will not occur under the effect of gravity in moving contact 2.
In the present embodiment, moving contact moves down as combined floodgate direction, in other embodiments, when moving contact move down for
When separating brake direction, it can equally be realized by holding rod and the block of output shaft is positioned, only holding rod at this time can turned actively
Arm strikes driven connecting lever and carries out that output shaft is maintained at closing position before closing operation, but its principle and structure in the present embodiment
Corresponding construction and principle it is identical, details are not described herein.
In the present embodiment, energy-stored spring structure includes the mechanism spring being arranged on upper and lower spring lever, in other are let it pass,
The energy-stored spring mechanism in spring operating mechanism, mechanism bullet in earthing switch in the prior art can also be used in energy-stored spring structure
Spring can be correspondingly arranged one or two, as long as ensureing that active connecting lever is respectively provided with energy storage row in separating brake process and making process
It journey and release travel and does not influence active connecting lever and strikes driven connecting lever in release travel.
In the present embodiment, resetting spring uses torsional spring, occupies little space in this way, in other embodiments, resetting spring
Other tension springs or compression spring structure can be used.Certainly, resetting spring can also be cancelled, by the center of gravity and support shaft that design holding rod
Position relationship forces holding rod to be rotated to locking position direction using gravity.
In the present embodiment, holder is using rod structure is kept, and in other embodiments, disk knot can also be used in holder
Structure, or other shapes, as long as corresponding stop section and solution lock section are arranged on holder.
Device for switching in the present embodiment is specially earthing switch, in fact, the spring operating mechanism in the present embodiment
It can be applicable in other device for switching such as breaker with moving contact, as long as the moving contact of the device for switching is in the up-down direction
Movement is to carry out breaking-closing operating.
The present invention also provides a kind of embodiment of device for switching spring operating mechanism, the operating machine of the spring in the embodiment
The structure of structure is identical as the structure of spring operating mechanism in above-mentioned earthing switch embodiment, and details are not described herein.
Claims (8)
1. a kind of device for switching spring operating mechanism, including mounting bracket, mounting bracket is equipped with for the dynamic of driving switch electric appliance
Contact carries out the output shaft of divide-shut brake action, and output shaft has closing position and sub-gate position at its rotational travel both ends, on output shaft
It is installed with driven connecting lever, turning set is equipped with for striking driven connecting lever to drive output shaft in closing position and sub-gate position on output shaft
Between reciprocating rotation active connecting lever, active connecting lever is sequentially connected with energy-stored spring structure, and active connecting lever is in its rotational travel
With the energy storage stroke for forcing energy-stored spring structure energy storage and the energy-stored spring structure by crossing dead point drives the release travel of rotation,
It is characterized in that：The output shaft is equipped with Stop structure, and holder is rotatably equipped on mounting bracket, and holder has block
Portion, stop section are used to coordinate to position output shaft block before active connecting lever strikes driven connecting lever with the Stop structure block
In corresponding closing position or sub-gate position, holder has the locking for making stop section coordinate with Stop structure block in its rotational travel
Also there is solution lock section, solution lock section to be used to be struck by the active connecting lever in corresponding release travel and be kept with forcing for position, holder
Bar rotation is detached from locking position, and resetting spring is sequentially connected on the holder, and resetting spring forces holding to holder application
The elastic acting force that part is rotated to the locking position.
2. device for switching spring operating mechanism according to claim 1, it is characterised in that：The mounting bracket, which is equipped with, to be used
In the positioning with the unidirectional block cooperation of holder and then by holder limit in the locking position in the rotation direction in holder
Axis.
3. device for switching spring operating mechanism according to claim 1 or 2, it is characterised in that：The holder has
For coordinating for the Stop structure pushing tow to overcome the active force of the resetting spring that holding rod is forced to be detached from the rotation of locking position
Pushing tow face, pushing tow face be cambered surface or inclined-plane.
4. device for switching spring operating mechanism according to claim 3, it is characterised in that：The holder is to keep
Bar, the stop section are the baffle for being set to the holding rod respective end, and the solution lock section is to be set on the holding rod
Unlock rod segment, the side for the direction Stop structure that the pushing tow face is set to the holding rod.
5. device for switching, including the moving contact that moves along the vertical direction, moving contact are driven by spring operating mechanism, operating machine of the spring
Structure includes mounting bracket, and mounting bracket is equipped with the output shaft that driving moving contact moves up and down, and output shaft has at its rotational travel both ends
Have closing position and sub-gate position, be installed with driven connecting lever on output shaft, on output shaft turning set be equipped with for strike driven connecting lever with
The active connecting lever of output shaft reciprocating rotation between closing position and sub-gate position, active connecting lever is driven to be sequentially connected with energy-stored spring knot
Structure, active connecting lever have the energy storage stroke for forcing energy-stored spring structure energy storage and the energy storage bullet by crossing dead point in its rotational travel
The release travel of spring structure driving rotation, it is characterised in that：The output shaft is equipped with Stop structure, rolling assembling on mounting bracket
There are holder, holder that there is stop section, the moving contact to move downward to realize the combined floodgate or separating brake of device for switching, the gear
Stop is used to coordinate so that output shaft block is located in phase before active connecting lever strikes driven connecting lever with the Stop structure block
Answer sub-gate position or closing position, holder that there is the locking position for making stop section coordinate with Stop structure block in its rotational travel,
Also there is holder solution lock section, solution lock section to be used to struck by the active connecting lever in corresponding release travel to force holding rod to turn
It is dynamic to be detached from locking position, be sequentially connected with resetting spring on the holder, resetting spring to holder application force holder to
The elastic acting force of locking position rotation.
6. device for switching according to claim 5, it is characterised in that：The mounting bracket is equipped with for turning in holder
Locating shaft on dynamic direction with the unidirectional block cooperation of holder and then by holder limit in the locking position.
7. device for switching according to claim 5 or 6, it is characterised in that：The holder has for supplying the block
The cooperation of structure pushing tow is with the pushing tow face for overcoming the active force of the resetting spring that holding rod is forced to be detached from the rotation of locking position, pushing tow face
For cambered surface or inclined-plane.
8. device for switching according to claim 7, it is characterised in that：The holder is holding rod, and the stop section is
It is set to the baffle of the holding rod respective end, the solution lock section is the unlock rod segment being set on the holding rod, described
Pushing tow face is set to the side of the direction Stop structure of the holding rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909949.2A CN106504919B (en) | 2016-10-19 | 2016-10-19 | A kind of device for switching and its spring operating mechanism |
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| CN201610909949.2A CN106504919B (en) | 2016-10-19 | 2016-10-19 | A kind of device for switching and its spring operating mechanism |
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| CN106504919A CN106504919A (en) | 2017-03-15 |
| CN106504919B true CN106504919B (en) | 2018-09-14 |
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| CN201610909949.2A Expired - Fee Related CN106504919B (en) | 2016-10-19 | 2016-10-19 | A kind of device for switching and its spring operating mechanism |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749366B (en) * | 2017-11-18 | 2024-01-26 | 库柏(宁波)电气有限公司 | Transmission mechanism of high-voltage combined electrical apparatus |
| CN111105940B (en) * | 2018-10-29 | 2021-11-16 | 平高集团有限公司 | Electric spring mechanism and grounding switch |
| CN111105949A (en) * | 2018-10-29 | 2020-05-05 | 平高集团有限公司 | Electric spring mechanism and grounding switch |
| CN111223708B (en) * | 2018-11-27 | 2021-12-17 | 平高集团有限公司 | Grounding switch and spring operating mechanism thereof |
| CN111739745B (en) * | 2020-06-03 | 2022-11-11 | 深圳市泰永电气科技有限公司 | Switching device and switching device self-locking device thereof |
| CN113161167B (en) * | 2021-01-13 | 2024-04-05 | 河南平高电气股份有限公司 | Spring operating mechanism for electric switch |
| CN113161168B (en) * | 2021-01-13 | 2024-04-16 | 河南平高电气股份有限公司 | Spring operating mechanism of electric switch |
| CN114678230B (en) * | 2022-03-12 | 2024-03-29 | 江西省拓网电气有限公司 | Three-station operating mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204178950U (en) * | 2014-11-03 | 2015-02-25 | 成都宣扬电器有限公司 | A kind of Novel direct-acting earthed switch mechanism |
| CN105225900A (en) * | 2015-09-28 | 2016-01-06 | 平高集团有限公司 | Circuit breaker and spring operating mechanism thereof and chain energy storage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2983293B1 (en) * | 2011-11-28 | 2014-08-01 | Schneider Electric Ind Sas | METHOD FOR EVALUATING THE MECHANICAL PERFORMANCE OF A CUTTING APPARATUS AND CUTTING APPARATUS FOR CARRYING OUT SAID METHOD |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204178950U (en) * | 2014-11-03 | 2015-02-25 | 成都宣扬电器有限公司 | A kind of Novel direct-acting earthed switch mechanism |
| CN105225900A (en) * | 2015-09-28 | 2016-01-06 | 平高集团有限公司 | Circuit breaker and spring operating mechanism thereof and chain energy storage device |
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