CN109494117A - A kind of spring operating mechanism and vacuum circuit breaker of vacuum circuit breaker - Google Patents
A kind of spring operating mechanism and vacuum circuit breaker of vacuum circuit breaker Download PDFInfo
- Publication number
- CN109494117A CN109494117A CN201811638867.4A CN201811638867A CN109494117A CN 109494117 A CN109494117 A CN 109494117A CN 201811638867 A CN201811638867 A CN 201811638867A CN 109494117 A CN109494117 A CN 109494117A
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- China
- Prior art keywords
- energy storage
- separating brake
- plate
- circuit breaker
- vacuum circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Abstract
The present invention discloses the spring operating mechanism and vacuum circuit breaker of a kind of vacuum circuit breaker, the spring operating mechanism includes front plate and rear plate, energy storage motor is equipped between front plate and rear plate, travel switch and rotatable manual shaft, gear shaft, energy storage axle, combined floodgate pallet axis and floodgate semiaxis, manual shaft is fixed with driver plate, first gear is fixed on gear shaft, plate is fanned in ratchet and energy storage, energy storage fans plate and is equipped with torsional spring backing pin, torsional spring is equipped with close to the pin of torsional spring backing pin and is sent into pawl, energy storage axle is equipped with the second gear that can be rotated relative to energy storage axle and the driving wheel for being fixed on energy storage axle, closing cam and energy-storage crank arm.Pass through in manual energy storage and be sent into pawl and ratchet wheel gear shaft and energy storage axle stretching switching-in spring realization energy storage, and automatic spacing is realized by driver plate, the structure of energy storage fan plate and torsional spring and is automatically reset；Switching-in spring is stretched by the direct turning gear wheel shaft of energy storage motor and energy storage axle when electric energy-stored and realizes energy storage.
Description
Technical field
The invention belongs to the technical fields of power transmission, specifically, being related to a kind of spring actuator of vacuum circuit breaker
Structure and vacuum circuit breaker.
Background technique
Vacuum circuit breaker is switchgear important in electric system, is responsible for control and protects the dual role of circuit,
Its performance quality be determine electric system can safe power supply an important factor for one of.Vacuum circuit breaker using vacuum due to going out
Arc technology, and have that free from environmental pollution, operating mechanism power is small, long service life and safe and reliable and easy to maintain etc. excellent
Point, thus obtain rapid development.
Currently, the electric energy-stored system of the spring operating mechanism of ZW20 series vacuum circuit breaker uses motor and master
Axis sprocket wheel is driven, and manual energy storage is driven using unilateral bearing or upper and lower dish type ratchet and by gear, therefore is existed
Following deficiency: since electric energy-stored system uses the driving form of motor and spindle sprocket, causing in-house space waste big,
Be unfavorable for reasonable Arrangement, amount of parts is more, and transmission efficiency is low, and be easy to appear chain releasing or fracture the case where；Storage manually
Can easily occur bearing using the driving form of unilateral bearing or upper and lower dish type ratchet driving mate gear again and skid or dish type spine
Situations such as gear teeth are broken, and the processing of dish type ratchet is complicated, yield rate is low, in addition, the driving form is also needed using additional limit
Position and guiding device, cause mechanism overall dimensions bigger than normal, and assembly work amount increases.
Summary of the invention
For deficiency above-mentioned in the prior art, the present invention provides the spring operating mechanism and vacuum of a kind of vacuum circuit breaker
Breaker, solving the problems, such as its energy-storage system, structure is complicated, transmission efficiency is low.
In order to achieve the above object, the solution that the present invention uses is:
The present invention provides a kind of spring operating mechanism of vacuum circuit breaker, including front plate and rear plate, and front plate is with after
Rotatable manual shaft, gear shaft, energy storage axle, combined floodgate pallet axis, floodgate semiaxis are equipped between clamping plate, manual shaft is fixed with transmission
Plate is fixed with first gear, ratchet and energy storage fan plate on gear shaft, and driver plate is connect by connecting plate with energy storage fan plate, connecting plate
Both ends pass through pin and driver plate and energy storage fan plate respectively relatively rotates energy storage fan plate with driver plate, and plate is fanned in energy storage
Equipped with torsional spring backing pin, torsional spring being equipped with close to the pin of torsional spring backing pin and is sent into pawl, torsional spring backing pin is used for and torsional spring is against feeding
Pawl is used to cooperate with ratchet, and first gear cooperation is equipped with the retaining pawl for one-directionally rotating first gear, and energy storage axle is equipped with can
Relative to energy storage axle rotation second gear and be fixed on driving wheel, closing cam and the energy-storage crank arm of energy storage axle, the second tooth
Wheel is engaged with first gear, and the appearance of driving wheel is equipped with the wheel notch in axial direction gradually deepened, and second gear, which is equipped with, to be turned
Dynamic linked block, linked block be used for wheel notch end face against to make second gear drive driving wheel rotation, front plate and
It is additionally provided with support rod between rear plate, support rod is horizontally disposed a pawl, and pawl is used for and linked block is against rotating linked block
To make linked block and take turns the end face of notch to be detached from, one end of energy-storage crank arm and switching-in spring is connected, and energy-storage crank arm is used for storage
The rotation of energy axis is to stretch switching-in spring, and combined floodgate pallet axis is fixed with combined floodgate pallet, and floodgate semiaxis is equipped with the first notch, closes a floodgate partly
Axis rotates combined floodgate pallet out of first notch in a part of angle to pass through, and floodgate semiaxis is in another part angle to combined floodgate pallet
Stop, driving wheel are additionally provided with the positioning sleeve for pushing combined floodgate pallet, and the spring operating mechanism of vacuum circuit breaker is additionally provided with energy storage
Motor and travel switch, energy storage motor are rotated for gear shaft, travel switch when energy-storage crank arm rotates contacting travel switch
Cut off energy storage motor power supply.
Further, energy-storage crank arm is fixed with tension spring plate, one end connection of tension spring plate and switching-in spring.
It further, further include rotatable energy storage instruction axis, energy storage indicates that axis is equipped with indicator board, and indicator board is used for and drawing
Against making, tension spring strip moves energy storage instruction axis to spring plate and indicator board rotates.
Further, floodgate semiaxis and combined floodgate pallet axis are equipped with horizontal combined floodgate spacer pin, the spring behaviour of vacuum circuit breaker
Motivation structure is additionally provided with vertical combined floodgate spacer pin, and vertical combined floodgate spacer pin with horizontal combined floodgate spacer pin for leaning.
Further, linked block includes the sliding block of countersunk pin and countersunk pin bottom, and second gear is equipped with through-hole, and countersunk pin can
It is rotatably arranged in through-hole, one end of sliding block is used for the end face of wheel notch against to make second gear drive transmission rotation
Dynamic, pawl is used for the other end of sliding block against countersunk pin rotation is made to make one end of sliding block and the end face of wheel notch be detached from.
The present invention also provides a kind of vacuum circuit breaker, the spring operating mechanism including vacuum circuit breaker as described above.
Further, vacuum circuit breaker further includes auxiliary switch, opening coil, closing coil and rotatable separating brake pallet
Axis, separating brake semiaxis and connecting lever axis, separating brake pallet axis are fixed with separating brake pallet, and separating brake semiaxis is equipped with the second notch, and separating brake semiaxis exists
A part of angle rotates separating brake pallet out of second notch to pass through, and separating brake semiaxis stops separating brake pallet in another part angle
Dynamic, connecting lever axis is equipped with idler wheel, and idler wheel, which is used to hit through closing cam, drives the rotation of connecting lever axis, connecting lever axis by link mechanism with it is auxiliary
It helps the main shaft of switch to connect, drives the main axis of auxiliary switch to realize that the state of auxiliary switch is cut by the rotation that connecting lever axis leads to
It changes, floodgate semiaxis is fixed with combined floodgate push plate, and separating brake semiaxis is fixed with separating brake push plate, and closing coil is for pushing combined floodgate push plate to make to close
The rotation of lock semiaxis passes through to make combined floodgate pallet rotate out of first notch, and opening coil is for pushing separating brake push plate to make separating brake half
Axis rotation passes through to make separating brake pallet rotate out of second notch.
Further, separating brake semiaxis and separating brake pallet axis are equipped with horizontal separating brake spacer pin, and vacuum circuit breaker is additionally provided with perpendicular
Straight separating brake spacer pin, vertical separating brake spacer pin with horizontal separating brake spacer pin for leaning.
Further, vacuum circuit breaker further includes rotatable manual division axis, and the both ends of manual division axis are fixed respectively
Have a combined floodgate bar and separating brake bar, combined floodgate bar and separating brake bar pushed respectively when the axially distinct direction of manual division rotates combined floodgate push plate or
Separating brake push plate.
Further, vacuum circuit breaker further includes overcurrent coil, and overcurrent coil is for pushing separating brake push plate to make separating brake semiaxis
Rotation passes through to make separating brake pallet rotate out of second notch.
The invention has the advantages that the spring operating mechanism and vacuum circuit breaker of the vacuum circuit breaker, in manual energy storage
When stretch switching-in spring by being sent into pawl and ratchet wheel gear shaft and energy storage axle and realize energy storage, and pass through driver plate, storage
The structure and torsional spring that plate can be fanned realize automatic spacing and automatically reset；Pass through energy storage motor direct turning gear when electric energy-stored
Wheel shaft and energy storage axle stretch switching-in spring and realize energy storage, have highly simplified the energy-storage system of spring operating mechanism, have reduced zero
The quantity of component and the occupied space of overall mechanism reduce assembly work amount and cost, improve transmission efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the spring operating mechanism for the vacuum circuit breaker that first embodiment of the invention provides.
Fig. 2 is the partial enlarged view of dotted line frame E in Fig. 1.
Status diagram when Fig. 3 is handle pull down in first embodiment of the invention.
Fig. 4 is status diagram when handle resets in first embodiment of the invention.
Fig. 5 is the structural schematic diagram for the vacuum circuit breaker that second embodiment of the invention provides.
Fig. 6 is the top view for the vacuum circuit breaker that second embodiment of the invention provides.
Fig. 7 is the bottom view for the vacuum circuit breaker that second embodiment of the invention provides.
In attached drawing: 100- front plate, 200- rear plate, 10- manual shaft, 11- driver plate, 12- handle, 5- connecting plate, 6- pin
Son, 7- feeding pawl, 8- torsional spring, 9- retaining pawl, 20- gear shaft, 21- energy storage fan plate, 21a- torsional spring backing pin, 22- ratchet,
23- first gear, 30- energy storage axle, 31- closing cam, 32- driving wheel, 321- take turns notch, 322- positioning sleeve, the second tooth of 33-
Wheel, 34- linked block, 341- countersunk pin, 342- sliding block, 35- energy-storage crank arm, 36- tension spring plate, 40- support rod, 41- pawl, 50-
Combined floodgate pallet axis, 51- combined floodgate pallet, 60- floodgate semiaxis, the first notch of 61-, 62- combined floodgate push plate, 70- separating brake pallet axis, 71-
Separating brake pallet, 80- separating brake semiaxis, the second notch of 81-, 82- separating brake push plate, 90- connecting lever axis, 92- idler wheel, 110- travel switch,
120- energy storage instruction axis, 121- indicator board, 130- closing coil, the manual division axis of 140-, 141- combined floodgate bar, 142- separating brake bar,
210- energy storage motor, 220- opening coil, 230- auxiliary switch, 231- energy storage axle, 240- link mechanism, 241- connecting lever, 242-
Connecting plate, 243- rocker arm are spread out, 244- spreads out connecting lever, 250- overcurrent coil, 300- switching-in spring, 310- spring shaft.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the technical solution in the present invention is carried out below
It clearly and completely describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Below in conjunction with attached drawing, the invention will be further described:
[first embodiment]
As Figure 1-Figure 4, the present invention provides a kind of spring operating mechanism of vacuum circuit breaker, including 100 He of front plate
Rear plate 200 is equipped with rotatable manual shaft 10, gear shaft 20, energy storage axle 30, closes a floodgate between front plate 100 and rear plate 200
Pawl axis 50, floodgate semiaxis 60, manual shaft 10 are fixed with driver plate 11, and first gear 23, ratchet 22 are fixed on gear shaft 20
Plate 21 is fanned with energy storage, driver plate 11 is fanned plate 21 with energy storage by connecting plate 5 and connect, and the both ends of connecting plate 5 pass through pin 6 and transmission respectively
Plate 11 and energy storage fan plate 21 relatively rotate energy storage fan plate 21 with driver plate 11, and energy storage fans plate 21 and is equipped with torsional spring backing pin
21a, is equipped with torsional spring 8 close to the pin 6 of torsional spring backing pin 21a and is sent into pawl 7, and torsional spring backing pin 21a is used for torsional spring 8 against sending
It is used to cooperate with ratchet 22 into pawl 7, the cooperation of first gear 23 is equipped with the retaining pawl 9 for one-directionally rotating first gear 23, storage
Energy axis 30 is equipped with the second gear 33 that can be rotated relative to energy storage axle 30 and the driving wheel 32 for being fixed on energy storage axle 30, combined floodgate are convex
Wheel 31 and energy-storage crank arm 35, second gear 33 are engaged with first gear 23, and the appearance of driving wheel 32 is equipped in axial direction gradually
The wheel notch 321 deepened, second gear 33 are equipped with rotatable linked block 34, and linked block 34 is used for the end face with wheel notch 321
Against to make second gear 33 that driving wheel 32 be driven to rotate, support rod 40 is additionally provided between front plate 100 and rear plate 200,
Support rod 40 is horizontally disposed a pawl 41, pawl 41 be used for linked block 34 against make the rotation of linked block 34 to make linked block 34
It is detached from the end face of wheel notch 321, energy-storage crank arm 35 is connect with one end of switching-in spring 300, and energy-storage crank arm 35 is used for energy storage
The rotation of axis 30 is to stretch switching-in spring 300, and combined floodgate pallet axis 50 is fixed with combined floodgate pallet 51, and floodgate semiaxis 60 is equipped with first and lacks
Mouthfuls 61, floodgate semiaxis 60 rotates combined floodgate pallet 51 out of first notch 61 in a part of angle to pass through, and floodgate semiaxis 60 is another
For a part of angle to 51 stop of combined floodgate pallet, driving wheel 32 is additionally provided with the positioning sleeve 322 for pushing combined floodgate pallet 51, and vacuum is disconnected
The spring operating mechanism of road device is additionally provided with energy storage motor 210 and travel switch 110, and energy storage motor 210 is used for gear shaft 20
Rotation, travel switch 110 cuts off 210 power supply of energy storage motor when energy-storage crank arm 35 rotates contacting travel switch 110.In the present embodiment
In, first gear 23 is less than second gear 33, and retaining pawl 9 is fixed by other torsional spring.
Specifically, energy-storage crank arm 35 is fixed with tension spring plate 36, and tension spring plate 36 is connect with one end of switching-in spring 300, closes a floodgate
The other end of spring 300 is fixed on spring shaft 310.
Further, the spring operating mechanism of vacuum circuit breaker further includes rotatable energy storage instruction axis 120, energy storage instruction
Axis 120 is equipped with indicator board 121, and indicator board 121 is used for tension spring plate 36 against making tension spring plate 36 that energy storage instruction be driven axis 120 and to refer to
Show that plate 121 rotates, the energy storage state of spring operating mechanism can be shown by the rotation of energy storage instruction axis 120 and indicator board 121.
Further, floodgate semiaxis 60 and combined floodgate pallet axis 50 are equipped with horizontal combined floodgate spacer pin, and spring operating mechanism is also
Equipped with vertical combined floodgate spacer pin, vertical combined floodgate spacer pin for leaning with horizontal combined floodgate spacer pin, guarantee floodgate semiaxis 60 and
Combined floodgate pallet axis 50 rotates in a certain range.
In the present embodiment, linked block 34 includes the sliding block 342 of 341 bottom of countersunk pin 341 and countersunk pin, second gear 33
Equipped with through-hole, countersunk pin 341 is rotatably arranged in through-hole, one end of sliding block 342 be used for the end face of wheel notch 321 against
To make second gear 33 that driving wheel 32 be driven to rotate, pawl 41 is used for the other end of sliding block 342 against making 341 turns of countersunk pin
The dynamic end face disengaging to make one end of sliding block 342 and take turns notch 321.However, the present invention is not limited thereto, in other embodiments,
Can be fixed with countersunk pin 341 and second gear 33, countersunk pin 341 can be relatively rotated with sliding block 342.
The thermal energy storage process of the spring operating mechanism of vacuum circuit breaker provided by the invention is as follows:
Electric energy-stored operation: when spring operating mechanism is in the non-energy storage state of separating brake, issue energy storage it is specified after, energy storage electricity
Machine 210 is obtained electric and is rotated clockwise with movable gear shaft 20, and first gear 23 drives the second gear 33 being engaged with to turn counterclockwise
It is dynamic, and then energy storage axle 30 and closing cam 31 disposed thereon, driving wheel 32 and energy-storage crank arm 35 are rotated counterclockwise, to draw
Stretch switching-in spring 300；When energy-storage crank arm 35 shortly past dead point in a flash, second gear 33 and driving wheel 32 are detached from, driving wheel 32
On positioning sleeve 322 under spring force, combined floodgate pallet 51 is pushed at the first notch 61 of floodgate semiaxis 60 and stop,
Switching-in spring 300 keeps stretching, and at the same time, energy-storage crank arm 35 touches travel switch 110, cuts off 210 power supply of energy storage motor,
To complete electric energy-stored operation, energy storage indicates that axis 120 shows energy storage state in the drive indicator board 121 of energy-storage crank arm 35.
Manual energy-storage operating: it as shown in figure 3, when spring operating mechanism is in the non-energy storage state of separating brake, pulls down and starts
The handle 12 of moving axis 10 makes 10 counterclockwise movement of manual shaft, drives energy storage to fan 21 clockwise movement of plate by connecting plate 5, is sent into pawl
7 promotion ratchets 22 and first gear 23 rotate counterclockwise, and retaining pawl 9 prevents first gear 23 from inverting.When driver plate 11 and storage
When can fan plate 21 and leaning (as shown in position A in figure), 12 position of handle is limited, and can not continue to pull down；It looses one's grip, such as schemes at this time
Shown in 4, handle 12 and manual shaft 10 reset under the effect of torsional spring 8, when driver plate 11 and energy storage fan plate 21 lean (position in such as figure
Set shown in B) when, 12 position of handle is limited.Continue to repeat the above steps, first gear 23 constantly drives second be engaged with
Gear 33 rotates counterclockwise, and then keeps energy storage axle 30 and closing cam 31 disposed thereon, driving wheel 32 and energy-storage crank arm 35 inverse
Hour hands rotation, to stretch switching-in spring 300；When energy-storage crank arm 35 shortly past dead point in a flash, second gear 33 and driving wheel
32 are detached from, and the positioning sleeve 322 on driving wheel 32 under spring force, pushes combined floodgate pallet 51 the first of floodgate semiaxis 60 to
Simultaneously stop at notch 61, switching-in spring 300 keeps stretching, to complete manual energy-storage operating, energy storage instruction axis 120 is turned in energy storage
The drive indicator board 121 of arm 35 shows energy storage state.
The spring operating mechanism of vacuum circuit breaker provided by the invention, in manual energy storage by being sent into pawl and ratchet
Turning gear wheel shaft and energy storage axle stretch switching-in spring and realize energy storage, and the structure and torsional spring of plate are fanned by driver plate, energy storage
It realizes automatic spacing and automatically resets；It is stretched and is closed a floodgate by the direct turning gear wheel shaft of energy storage motor and energy storage axle when electric energy-stored
Spring realizes energy storage, has highly simplified the energy-storage system of spring operating mechanism, has reduced the quantity and overall mechanism of components
Occupied space, reduce assembly work amount and cost, improve transmission efficiency.
[second embodiment]
As shown in Figure 5-Figure 7, second embodiment of the invention provides a kind of vacuum circuit breaker, including first embodiment of the invention
The spring operating mechanism of the vacuum circuit breaker of offer further includes auxiliary switch 230, opening coil 220, closing coil 130 and can
Separating brake pallet axis 70, separating brake semiaxis 80 and the connecting lever axis 90 of rotation, separating brake pallet axis 70 are fixed with separating brake pallet 41, separating brake semiaxis
80 are equipped with the second notch 81, and separating brake semiaxis 80 rotate separating brake pallet 41 out of second notch 81 in a part of angle to pass through, and divide
For lock semiaxis 80 in another part angle to 41 stop of separating brake pallet, connecting lever axis 90 is equipped with idler wheel 92, and idler wheel 92 is used to be closed a floodgate convex
Wheel 31, which is hit, drives connecting lever axis 90 to rotate, and connecting lever axis 90 is connect by link mechanism 240 with the energy storage axle 231 of auxiliary switch 230,
The rotation of energy storage axle 231 of auxiliary switch 230 is driven to realize the state switching of auxiliary switch 230 by the rotation that connecting lever axis 90 leads to,
Floodgate semiaxis 60 is fixed with combined floodgate push plate 62, and separating brake semiaxis 80 is fixed with separating brake push plate 82, and closing coil 130 closes a floodgate for pushing
Push plate 62 passes through the rotation of floodgate semiaxis 60 to make combined floodgate pallet 51 rotate out of first notch 61, and opening coil 220 is used for
Separating brake push plate 82 is pushed to pass through the rotation of separating brake semiaxis 80 to make separating brake pallet 41 rotate out of second notch 81.
As shown in fig. 7, in the present embodiment, link mechanism 240 includes connecting lever 241, auxiliary opens connecting plate 242, rocker arm 243 and auxiliary
Connecting lever 244 is opened, connecting lever 241 is connect with connecting lever axis 90, and auxiliary connecting lever 244 of opening is connect with the energy storage axle 231 of auxiliary switch 230, makes to turn
The rotation of arm axle 90 can drive energy storage axle 231 to rotate.
Further, separating brake semiaxis 80 and separating brake pallet axis 70 are equipped with horizontal separating brake spacer pin, and vacuum circuit breaker is also set
There is vertical separating brake spacer pin, vertical separating brake spacer pin with horizontal separating brake spacer pin for leaning, guaranteeing separating brake semiaxis 80 and dividing
Lock pawl axis 70 rotates in a certain range.
Further, vacuum circuit breaker further includes rotatable manual division axis 140, the both ends point of manual division axis 140
It is not fixed with combined floodgate bar 141 and separating brake bar 142, combined floodgate bar 141 and separating brake bar 142 turn in manual division axis 140 to different directions
Combined floodgate push plate 62 or separating brake push plate 82 are pushed when dynamic respectively.
Further, vacuum circuit breaker further includes overcurrent coil 250, and overcurrent coil 250 is for pushing separating brake push plate 82 to make
The rotation of separating brake semiaxis 80 passes through to make separating brake pallet 41 rotate out of second notch 81.
The making process and separating brake process of vacuum circuit breaker provided by the invention are as follows:
Electric switch-on operation: when spring operating mechanism is in separating brake energy storage state, after reclosing command issues, closing line
Circle 130 must be electric, and the mandril of closing coil 130 hits combined floodgate push plate 62, drives floodgate semiaxis 60 to rotate counterclockwise, combined floodgate pallet 51
It threads off from the first notch 61, switching-in spring 300 discharges rapidly, and closing cam 31 is driven to hit the idler wheel 92 of connecting lever axis 90, connecting lever
Axis 90 rotates clockwise, and at the same time, connecting lever axis 90 drives connecting lever 241 to rotate clockwise, and makes rocker arm by auxiliary connecting plate 242 of opening
243 rotate clockwise, and auxiliary connecting lever 244 of opening switches the state of auxiliary switch 230 under the action of rocker arm 243, to disconnect conjunction
130 power supply of brake cable circle completes electric switch-on operation.
Closing by hand operation: when spring operating mechanism is in separating brake energy storage state, manual division axis is rotated clockwise
140, combined floodgate bar 141 drives combined floodgate push plate 62 and floodgate semiaxis 60 to rotate counterclockwise, and combined floodgate pallet 51 is threaded off from the first notch 61,
Switching-in spring 300 discharges rapidly, and closing cam 31 is driven to hit the idler wheel 92 of connecting lever axis 90, and connecting lever axis 90 rotates clockwise, with
This simultaneously, connecting lever axis 90 drive connecting lever 241 rotate clockwise, rotate clockwise rocker arm 243 by auxiliary connecting plate 242 of opening, it is auxiliary to open
Connecting lever 244 switches the state of auxiliary switch 230 under the action of rocker arm 243, completes closing by hand operation.
Electronic sub-switching operation: when spring operating mechanism is in "on" position, after separating brake instruction issues, opening coil 220
It is electric, the mandril of opening coil 220 hits separating brake push plate 82, and separating brake semiaxis 80 is driven to rotate counterclockwise, and separating brake pallet 71 is from the
The tripping of two notches 81 under the action of tripping spring (not shown) and touch spring (not shown) inside vacuum circuit breaker, is turned
Arm axle 90 drives connecting lever 241 to rotate counterclockwise, and rotates counterclockwise rocker arm 243 by auxiliary connecting plate 242 of opening, auxiliary connecting lever 244 of opening exists
The rotation of main shaft 231 is driven to switch the state of auxiliary switch 230 under the action of rocker arm 243, to disconnect 220 electricity of opening coil
Electronic sub-switching operation is completed in source.
Manual brake separating operation: when spring operating mechanism is in "on" position, rotating counterclockwise manual division axis 140, point
Restrictor bar 142 pushes the mandril of opening coil 220 to hit separating brake push plate 82, makes separating brake push plate 82 that separating brake semiaxis 80 be driven to turn counterclockwise
Dynamic, separating brake pallet 71 is threaded off from the second notch 81, under the action of tripping spring and touch spring inside vacuum circuit breaker, is turned
Arm axle 90 drives connecting lever 241 to rotate counterclockwise, and rotates counterclockwise rocker arm 243 by auxiliary connecting plate 242 of opening, auxiliary connecting lever 244 of opening exists
It drives the rotation of main shaft 231 to switch the state of auxiliary switch 230 under the action of rocker arm 243, completes manual brake separating operation.
In the present embodiment, as shown in fig. 6, opening coil 220 is fixed on rear plate 200 by hexagon socket cap head screw
On, front plate 100 is equipped with fabrication hole 201 corresponding with the hexagon socket cap head screw, can facilitate from fabrication hole 201 from fore-clamp
The front disassembly hexagon socket cap head screw of plate 100, to complete the replacement of opening coil 220.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of spring operating mechanism of vacuum circuit breaker, including front plate (100) and rear plate (200), which is characterized in that institute
It states and is equipped with rotatable manual shaft (10), gear shaft (20), energy storage axle between front plate (100) and the rear plate (200)
(30), combined floodgate pallet axis (50), floodgate semiaxis (60), the manual shaft (10) are fixed with driver plate (11), the gear shaft
(20) first gear (23), ratchet (22) and energy storage fan plate (21) are fixed on, the driver plate (11) passes through connecting plate (5) and institute
Energy storage fan plate (21) connection is stated, the both ends of the connecting plate (5) pass through pin (6) and the driver plate (11) and the energy storage respectively
Fan plate (21) relatively rotate energy storage fan plate (21) can with the driver plate (11), and energy storage fan plate (21) sets
There is torsional spring backing pin (21a), be equipped with torsional spring (8) close to the pin (6) of the torsional spring backing pin (21a) and be sent into pawl (7), the torsion
Spring backing pin (21a) be used for the torsional spring (8) against, the feedings pawl (7) be used for the ratchet (22) cooperation, described the
One gear (23) cooperation is equipped with the retaining pawl (9) for one-directionally rotating the first gear (23), and the energy storage axle (30) is equipped with
Can relative to the energy storage axle (30) rotate second gear (33) and be fixed on the energy storage axle (30) driving wheel (32),
Closing cam (31) and energy-storage crank arm (35), the second gear (33) are engaged with the first gear (23), the driving wheel
(32) appearance is equipped with the wheel notch (321) in axial direction gradually deepened, and the second gear (33), which is equipped with, rotatably to be connected
Motion block (34), the linked block (34) are used for the end face with wheel notch (321) against to make the second gear (33)
It drives the driving wheel (32) to rotate, support rod (40) is additionally provided between the front plate (100) and the rear plate (200),
The support rod (40) is horizontally disposed to be had pawl (41), and the pawl (41) is used for the linked block (34) against making the company
Motion block (34) rotation is to make the linked block (34) and the end face of wheel notch (321) be detached from, the energy-storage crank arm (35)
It is connect with one end of the switching-in spring (300), the energy-storage crank arm (35) is used to rotate to draw with the energy storage axle (30)
It stretches the switching-in spring (300), the combined floodgate pallet axis (50) is fixed with combined floodgate pallet (51), and the floodgate semiaxis (60) is equipped with
First notch (61), the floodgate semiaxis (60) make the combined floodgate pallet (51) from first notch (61) in a part of angle
Interior rotation passes through, and the floodgate semiaxis (60) is in another part angle to the combined floodgate pallet (51) stop, the driving wheel
(32) positioning sleeve (322) for pushing the combined floodgate pallet (51), the spring operating mechanism of the vacuum circuit breaker are additionally provided with
It is additionally provided with energy storage motor (210) and travel switch (110), the energy storage motor (210) is for driving the gear shaft (20) to turn
Dynamic, energy-storage crank arm (35) rotation contacts travel switch (110) the Shi Suoshu travel switch (110) and cuts off the energy storage electricity
Machine (210) power supply.
2. the spring operating mechanism of vacuum circuit breaker according to claim 1, which is characterized in that the energy-storage crank arm (35)
It is fixed with tension spring plate (36), the tension spring plate (36) connect with one end of the switching-in spring (300).
3. the spring operating mechanism of vacuum circuit breaker according to claim 2, which is characterized in that further include rotatably storing up
It can indicate axis (120), energy storage instruction axis (120) is equipped with indicator board (121), and the indicator board (121) is used for and the drawing
Spring plate (36) drives energy storage instruction axis (120) and the indicator board (121) to rotate against making the tension spring plate (36).
4. the spring operating mechanism of vacuum circuit breaker according to claim 1, which is characterized in that the floodgate semiaxis (60)
And the combined floodgate pallet axis (50) is equipped with horizontal combined floodgate spacer pin, the spring operating mechanism of the vacuum circuit breaker is additionally provided with perpendicular
Straight combined floodgate spacer pin, the vertical combined floodgate spacer pin with the horizontal combined floodgate spacer pin for leaning.
5. the spring operating mechanism of vacuum circuit breaker according to claim 1, which is characterized in that linked block (34) packet
The sliding block (342) of countersunk pin (341) and countersunk pin (341) bottom is included, the second gear (33) is equipped with through-hole, the countersunk pin
(341) it is rotatably arranged in the through-hole, one end of the sliding block (342) is used for the end face with wheel notch (321)
Against to make the second gear (33) to drive driving wheel (32) rotation, the pawl (41) is used for and the sliding block
(342) the other end against make the countersunk pin (341) rotation to make the sliding block (342) one end and the wheel notch
(321) end face is detached from.
6. a kind of vacuum circuit breaker, which is characterized in that the bullet including vacuum circuit breaker according to claim 1-5
Spring operating mechanism.
7. vacuum circuit breaker according to claim 6, which is characterized in that the vacuum circuit breaker further includes auxiliary switch
(230), opening coil (220), closing coil (130) and rotatable separating brake pallet axis (70), separating brake semiaxis (80) and connecting lever
Axis (90), the separating brake pallet axis (70) are fixed with separating brake pallet (41), and the separating brake semiaxis (80) is equipped with the second notch (81),
The separating brake semiaxis (80) passes through the separating brake pallet (41) rotation out of described second notch (81) in a part of angle, institute
Separating brake semiaxis (80) is stated in another part angle to the separating brake pallet (41) stop, the connecting lever axis (90) is equipped with idler wheel
(92), the idler wheel (92), which is used to hit through the closing cam (31), drives the connecting lever axis (90) to rotate, the connecting lever axis
(90) it is connect by link mechanism (240) with the main shaft (231) of the auxiliary switch (230), it is logical by the connecting lever axis (90)
Rotation drive main shaft (231) rotation of the auxiliary switch (230) to realize the state switching of the auxiliary switch (230), institute
It states floodgate semiaxis (60) and is fixed with the combined floodgate push plate (62), the separating brake semiaxis (80) is fixed with separating brake push plate (82), described
Closing coil (130) is for pushing the combined floodgate push plate (62) to make the floodgate semiaxis (60) rotation to make the combined floodgate pallet
(51) rotation passes through out of described first notch (61), and the opening coil (220) is for pushing the separating brake push plate (82) to make
Separating brake semiaxis (80) rotation is to make separating brake pallet (41) rotation out of described second notch (81) pass through.
8. vacuum circuit breaker according to claim 7, which is characterized in that the separating brake semiaxis (80) and the separating brake pallet
Axis (70) is equipped with horizontal separating brake spacer pin, and the vacuum circuit breaker is additionally provided with vertical separating brake spacer pin, the vertical separating brake limit
Position pin with the horizontal separating brake spacer pin for leaning.
9. vacuum circuit breaker according to claim 7, which is characterized in that the vacuum circuit breaker further includes rotatable hand
Dynamic division axis (140), the both ends of the manual division axis (140) are respectively fixed with combined floodgate bar (141) and separating brake bar (142), institute
It states combined floodgate bar (141) and separating brake bar (142) and pushes the conjunction respectively when the manual division axis (140) rotates to different directions
Lock push plate (62) or the separating brake push plate (82).
10. the spring operating mechanism of vacuum circuit breaker according to claim 7, which is characterized in that the vacuum circuit breaker
It further include overcurrent coil (250), the overcurrent coil (250) is for pushing the separating brake push plate (82) to make the separating brake semiaxis
(80) rotation is to make the separating brake pallet (41) rotation out of described second notch (81) pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638867.4A CN109494117B (en) | 2018-12-29 | 2018-12-29 | A kind of spring operating mechanism and vacuum circuit breaker of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638867.4A CN109494117B (en) | 2018-12-29 | 2018-12-29 | A kind of spring operating mechanism and vacuum circuit breaker of vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109494117A true CN109494117A (en) | 2019-03-19 |
| CN109494117B CN109494117B (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811638867.4A Active CN109494117B (en) | 2018-12-29 | 2018-12-29 | A kind of spring operating mechanism and vacuum circuit breaker of vacuum circuit breaker |
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| Country | Link |
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| CN (1) | CN109494117B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201294198Y (en) * | 2008-08-22 | 2009-08-19 | 重庆亿科电气股份有限公司 | Spring operation mechanism for vacuum circuit-breaker |
| CN201673854U (en) * | 2010-04-26 | 2010-12-15 | 南京业基电气设备有限公司 | Embedded-pole vacuum circuit breaker operation mechanism |
| CN104124097A (en) * | 2013-04-28 | 2014-10-29 | 施耐德（陕西）宝光电器有限公司 | Spring operation mechanism used for circuit breaker |
| WO2015162534A1 (en) * | 2014-04-24 | 2015-10-29 | Eaton Corporation | Circuit breakers with clock spring drives and/or multi-lobe drive cams and related actuators and methods |
| KR20160134935A (en) * | 2015-05-13 | 2016-11-24 | 현대중공업 주식회사 | Closing spring charging device of circuit breaker |
| CN207651411U (en) * | 2017-12-29 | 2018-07-24 | 贝司特电气有限公司 | A kind of spring actuating mechanism of vacuum circuit-breaker |
| CN208014634U (en) * | 2018-04-12 | 2018-10-26 | 宁波木易电气有限公司 | A kind of air cabinet breaker pull operation mechanism |
-
2018
- 2018-12-29 CN CN201811638867.4A patent/CN109494117B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201294198Y (en) * | 2008-08-22 | 2009-08-19 | 重庆亿科电气股份有限公司 | Spring operation mechanism for vacuum circuit-breaker |
| CN201673854U (en) * | 2010-04-26 | 2010-12-15 | 南京业基电气设备有限公司 | Embedded-pole vacuum circuit breaker operation mechanism |
| CN104124097A (en) * | 2013-04-28 | 2014-10-29 | 施耐德（陕西）宝光电器有限公司 | Spring operation mechanism used for circuit breaker |
| WO2015162534A1 (en) * | 2014-04-24 | 2015-10-29 | Eaton Corporation | Circuit breakers with clock spring drives and/or multi-lobe drive cams and related actuators and methods |
| KR20160134935A (en) * | 2015-05-13 | 2016-11-24 | 현대중공업 주식회사 | Closing spring charging device of circuit breaker |
| CN207651411U (en) * | 2017-12-29 | 2018-07-24 | 贝司特电气有限公司 | A kind of spring actuating mechanism of vacuum circuit-breaker |
| CN208014634U (en) * | 2018-04-12 | 2018-10-26 | 宁波木易电气有限公司 | A kind of air cabinet breaker pull operation mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109494117B (en) | 2019-10-08 |
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