CN106449313B - Breaker - Google Patents
Breaker Download PDFInfo
- Publication number
- CN106449313B CN106449313B CN201610822883.3A CN201610822883A CN106449313B CN 106449313 B CN106449313 B CN 106449313B CN 201610822883 A CN201610822883 A CN 201610822883A CN 106449313 B CN106449313 B CN 106449313B
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- China
- Prior art keywords
- connecting lever
- separating brake
- spring
- combined floodgate
- energy
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of breaker, including foreboard, back plate, operating shaft, power source, power transmission shaft, gear-driven assembly, energy storage component includes drive plate connecting lever, pulley, energy-storage crank arm, energy-stored spring, spring fix bar and energy storage auxiliary switch, combined floodgate component includes combined floodgate dropout connecting lever and combined floodgate swing arm, output shaft, buffer, connecting shaft connecting lever, connecting rod, pitman arm, separating brake component includes separating brake connecting lever wheel, tripping spring connecting lever, tripping spring sleeve, separating brake connecting lever, separating brake button, separating brake connecting lever roller and separating brake swing arm, spring, which is provided with, on combined floodgate swing arm keeps out piece, anti- reclosing spring is provided with output shaft, spring keeps out piece can be inconsistent with anti-reclosing spring.Above-mentioned breaker can realize energy storage, maintain energy storage, combined floodgate, maintain combined floodgate and separating brake, breaker can be avoided to close a floodgate again, avoid caused enormous impact force adverse consequences to caused by whole mechanism of closing a floodgate again.
Description
Technical field
The present invention relates to switching device technical field, more particularly to a kind of breaker.
Background technology
Breaker (English name：Circuit-breaker, circuit breaker) it is to refer to close, carry and open
The switching device of electric current under normal loop condition of breaking.Breaker can be used to distribute electric energy, infrequently start asynchronous motor,
The implementations such as power circuit and motor are protected, can be automatic when serious overloads or short circuit and the failure such as under-voltage occurs in they
Circuit is cut off, its function is equivalent to Fuse switch and the combination of underheat relay etc., and after disjunction fault current excessively
Parts need not typically be changed.
Breaker generally includes operating mechanism, and operating mechanism is for making breaker closing and breaker is maintained surely
Fixed "on" position, and can make the device of breaker open operation rapidly, its acting characteristic to breaker have vital shadow
Ring.
Usual breaker is after combined floodgate, and because the energy of energy-stored spring discharges, energy-storage crank arm separates with energy storage auxiliary switch,
Motor drives operating shaft to rotate by a series of actions, and then energy-stored spring is started energy storage again, until energy-storage crank arm and energy storage
Auxiliary switch is engaged, if maloperation combined floodgate swing arm, can make breaker close a floodgate again after the completion of energy storage, is had in itself to breaker
There is huge impulsive force, influence breaker service life.
The content of the invention
Based on this, it is necessary to for above-mentioned technical problem, there is provided a kind of generation it is possible to prevente effectively from breaker closes a floodgate again
Enormous impact force breaker.
A kind of breaker, including：
Foreboard, back plate, the foreboard are oppositely arranged with the back plate interval；
Operating shaft, it is arranged in the foreboard and the back plate, and both ends extend through the foreboard and the back plate；
Power source, it is arranged in the back plate；
Power transmission shaft, it is arranged on the foreboard；
Gear-driven assembly, the power source drive the operating shaft to rotate by the gear-driven assembly, the behaviour
Make axle and then the drive axis is driven by the gear-driven assembly；
Energy storage component, including drive plate connecting lever, pulley, energy-storage crank arm, energy-stored spring, spring fix bar and energy storage auxiliary are opened
Close, the drive plate connecting lever and the energy-storage crank arm are arranged on the power transmission shaft, and the pulley is arranged at the drive plate and turned
On arm, the drive plate connecting lever and the pulley are respectively positioned between the foreboard and the back plate, and the energy-storage crank arm is arranged at
The foreboard is arranged on the energy-storage crank arm back on the surface of the back plate, one end of the energy-stored spring, the energy storage
The other end of spring is arranged in the spring fix bar, and the energy storage auxiliary switch is arranged at the foreboard back on after described
The surface of plate, and the energy storage auxiliary switch can be inconsistent with the energy-storage crank arm；
Combined floodgate component, including combined floodgate dropout connecting lever and combined floodgate swing arm, the combined floodgate dropout connecting lever can be with the pulley phases
Support, the combined floodgate dropout connecting lever can offset with the combined floodgate swing arm；
Output shaft, the foreboard and the back plate are arranged in, and the back plate is run through in one end；
Buffer, connecting shaft connecting lever, connecting rod, pitman arm, the back plate is may be contained within back on the surface of the foreboard, it is described
Connecting shaft connecting lever is respectively arranged at the both ends of the connecting rod with the pitman arm, and the connecting shaft connecting lever is arranged on the output shaft,
The connecting shaft connecting lever can contradict or separate with the buffer；And
Separating brake component, including separating brake connecting lever wheel, tripping spring connecting lever, tripping spring sleeve, separating brake connecting lever, separating brake are buckled, divided
Lock connecting lever roller and separating brake swing arm, are respectively positioned between the foreboard and the back plate, and the separating brake connecting lever wheel is arranged at described defeated
On shaft, the tripping spring connecting lever is arranged on the output shaft, the tripping spring connecting lever and the tripping spring sleeve
One end connection, the separating brake connecting lever roller is arranged on the tripping spring connecting lever, the separating brake button and the separating brake connecting lever
It is coaxially disposed, the separating brake button can be inconsistent with the separating brake connecting lever roller, and the separating brake connecting lever can revolve with the separating brake
Bar is inconsistent；
Wherein, spring is provided with the combined floodgate swing arm and keeps out piece, anti-reclosing spring, institute are provided with the output shaft
State spring keep out piece can be inconsistent with the anti-reclosing spring.
In one of the embodiments, the power source is motor, and the motor is arranged at described after the foreboard
In back plate.
In one of the embodiments, the gear-driven assembly includes first gear, second gear, the 3rd gear and the
Four gears, the first gear are arranged at the output end of the power source, and the second gear and the 3rd gear are coaxially worn
In the operating shaft, the second gear is meshed with the first gear, and the 4th gear is arranged in the transmission
On axle, the 4th gear is meshed with the 3rd gear.
In one of the embodiments, unilateral bearing is arranged with the operating shaft, the unilateral bearing is embedded at described
On foreboard.
In one of the embodiments, the energy-storage crank arm includes rotation section, support division and fixed part, and the rotation section is worn
On the power transmission shaft, the support division is used to offset with the energy storage auxiliary switch, and the fixed part supports with described
Portion's setting at an acute angle, fixed column is provided with the fixed part, one end of the energy-stored spring is arranged in the fixed column.
In one of the embodiments, the energy storage component also includes screw rod, and the energy-stored spring is sheathed on the screw rod
Outside, one end of the screw rod is fixed in the fixed column, and the other end of the screw rod is arranged in the spring fix bar.
In one of the embodiments, the pulley is rotatablely arranged on the drive plate connecting lever.
In one of the embodiments, the combined floodgate component also includes closing coil, and the closing coil is used for electronic drive
The dynamic combined floodgate swing arm rotates.
In one of the embodiments, the separating brake component also includes switching winding, and the switching winding is used for electronic drive
The dynamic separating brake swing arm rotates.
In one of the embodiments, the combined floodgate component also includes keeping out post, and the combined floodgate dropout connecting lever includes first
Support end and second support end, described first supports end supports end setting at an acute angle with described second, and described first supports end use
Offseted in the pulley, described second supports end positioned at the combined floodgate swing arm and described keep out between post.
Above-mentioned breaker at least has advantages below：
During energy storage, manually rotating operation axle, operating shaft drive drive axis, Huo Zheqi by gear-driven assembly
Dynamic power source, power source drive operating shaft to rotate by gear-driven assembly, operating shaft and then are driven by gear-driven assembly
Drive axis, drive plate connecting lever and energy-storage crank arm on power transmission shaft rotate counterclockwise with power transmission shaft, and energy-stored spring is with rotating quilt
Stretching reaches energy storage state, and now energy-storage crank arm is got on energy storage auxiliary switch, and energy storage auxiliary contact is cut off, and power source stops
Work, thermal energy storage process terminate.
After energy storage terminates, the pulley on drive plate connecting lever is just propped up on combined floodgate dropout connecting lever, and combined floodgate dropout connecting lever
Blocked by combined floodgate swing arm, therefore can effectively block energy-stored spring restoring force, energy-storage crank arm is reached maintenance from rotating counterclockwise
Energy storage state.
During combined floodgate, combined floodgate swing arm is rotated counterclockwise, limitation of the combined floodgate swing arm to combined floodgate dropout connecting lever is released, due to energy storage bullet
The restoring force of spring, drive plate connecting lever is forced to rotate counterclockwise rapidly, the impulsive force that drive plate connecting lever rotates is beaten in separating brake connecting lever wheel
On, tripping spring connecting lever is rotated clockwise, and make the spring-compressed accumulation of energy of tripping spring sleeve, output shaft also turns clockwise
It is dynamic, therefore drive the connecting shaft connecting lever in back plate to rotate clockwise, connecting shaft connecting lever separates with buffer, now closes a floodgate and completes.
At the end of combined floodgate, separating brake connecting lever roller just falls to be buckled in separating brake, and separating brake connecting lever is because of separating brake swing arm gear, therefore
The position of separating brake connecting lever roller can be kept constant, so that breaker is maintained at closing position.At the end of combined floodgate, energy-stored spring
Energy release, power source can be again started up energy-stored spring energy storage.At this moment, because spring keeps out piece and anti-reclosing spring
In the presence of, anti-reclosing spring just keeps out piece face with spring, when combined floodgate swing arm has the trend rotated counterclockwise, anti-reclosing
Spring prevents combined floodgate swing arm from rotating by keeping out piece interaction with spring, therefore breaker can be avoided to close a floodgate again, avoids again
The adverse consequences to caused by whole mechanism of enormous impact force caused by secondary combined floodgate.
During separating brake, limitation of the separating brake button to separating brake connecting lever roller is released by rotating separating brake swing arm, in tripping spring sleeve
Spring-compressed caused by energy release drive output shaft and separating brake connecting lever wheel on output shaft, separating brake connecting lever and connecting shaft connecting lever inverse
Hour hands are rotated, until connecting shaft connecting lever is in contact with buffer, separating brake is completed.
Brief description of the drawings
Fig. 1 is the structural representation of the breaker in an embodiment；
Fig. 2 is that breaker shown in Fig. 1 hides the structural representation after foreboard；
Fig. 3 is that breaker shown in Fig. 1 hides the structural representation after back plate；
Fig. 4~Fig. 6 is the structural representation of different visual angles when breaker shown in Fig. 1 is in energy storage state；
Fig. 7~Fig. 9 is the structural representation of different visual angles when breaker shown in Fig. 1 is in "on" position；
Figure 10~Figure 12 is the structural representation of different visual angles when breaker shown in Fig. 1 is in gate-dividing state.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Each technical characteristic of embodiment described above can be carried out arbitrarily
Combination, to make description succinct, it is not all possible to each technical characteristic in above-described embodiment combination be all described, so
And as long as contradiction is not present in the combination of these technical characteristics, all it is considered to be the scope of this specification record.
Fig. 1 to Fig. 3 is referred to, is the breaker 10 in an embodiment.Specific in present embodiment, mainly with 10KV
Solid insulated switchgear makes breaker 10 carry out energy storage, separating brake and feed motion as an example, using energy-stored spring.This is disconnected
Road device 10 includes foreboard 101, back plate 102, operating shaft 100, power source 200, power transmission shaft 300, gear-driven assembly 400, energy storage
Component 500, combined floodgate component 600, output shaft 700, buffer 810, connecting shaft connecting lever 820, connecting rod 830, pitman arm 840 and separating brake group
Part 900.
Foreboard 101 is oppositely arranged with the interval of back plate 102.Specifically, foreboard 101 and back plate 102 are arranged in parallel.Foreboard
101 are fixed and are positioned by locating dowel 103 with back plate 102, for example, three locating dowels 103 can be set, three locating dowels 103
End points center not point-blank, form triangle.Or the both ends of locating dowel 103 be embedded respectively foreboard 101 with
Four corners of back plate 102.
Operating shaft 100 is arranged in foreboard 101 and back plate 102, and both ends extend through foreboard 101 and back plate 102.Operation
Axle 100 can be hexagon prism shape through the end of foreboard 101, can facilitate rotating operation axle 100 by extraneous instrument.Operating shaft
Unilateral bearing 110 is also arranged with 100, unilateral bearing 110 is embedded on foreboard 101, therefore operating shaft 100 can only unidirectionally turn
It is dynamic.
Power source 200 is arranged in back plate 102.Specifically, power source 200 can be motor.After motor runs through foreboard 101
It is arranged in back plate 102.Power transmission shaft 300 is arranged on foreboard 101.Power source 200 is driven by gear-driven assembly 400 and operated
Axle 100 rotates, operating shaft 100 so that by gear-driven assembly 400 drive power transmission shaft 300 rotate.
Specifically, gear-driven assembly 400 includes first gear 410, second gear 420, the 3rd gear 430 and the 4th tooth
Wheel 440.First gear 410 is arranged at the output end of power source 200, and the gear 430 of second gear 420 and the 3rd is coaxially arranged in behaviour
Make on axle 100, second gear 420 is meshed with first gear 410, and the 4th gear 440 is arranged on power transmission shaft 300, the 4th tooth
Wheel 440 is meshed with the 3rd gear 430.
When power source 200 starts, first gear 410 is driven to rotate counterclockwise, first gear 410 and the phase of second gear 420
Engagement, therefore drive second gear 420 to rotate clockwise, the 3rd gear 430 rotates clockwise simultaneously with second gear 420, the
Four gears 440 rotate counterclockwise, and then drive power transmission shaft 300 to rotate counterclockwise.
Energy storage component 500, which includes drive plate connecting lever 510, pulley 520, energy-storage crank arm 530, energy-stored spring 540, spring, to be fixed
Bar 550 and energy storage auxiliary switch 560.Drive plate connecting lever 510 and energy-storage crank arm 530 are arranged on power transmission shaft 300, with power transmission shaft
300 rotation and rotate, and drive plate connecting lever 510 rotates simultaneously with energy-storage crank arm 530.Drive plate connecting lever 510 is substantially in fan
Shape.
Pulley 520 is arranged on drive plate connecting lever 510, and drive plate connecting lever 510 and pulley 520 are respectively positioned on foreboard 101 with after
Between plate 102.Specifically, pulley 520 is slidably disposed on drive plate connecting lever 510, when closing a floodgate, can reduce mantle friction
Power, extend the mechanical life of pulley 520.
Energy-storage crank arm 530 is arranged at foreboard 101 and is arranged at storage back on the surface of back plate 102, one end of energy-stored spring 540
On energy connecting lever 530, the other end of energy-stored spring 540 is arranged in spring fix bar 550.Before energy storage auxiliary switch 560 is arranged at
Plate 101 is back on the surface of back plate 102, and energy storage auxiliary switch 560 can be inconsistent with energy-storage crank arm 530.
Specifically, rotation section 531, support division 532 and fixed part are included also referring to Fig. 6,9,12, energy-storage crank arm 530
533.Rotation section 533 is arranged on power transmission shaft 300, therefore the entirety of energy-storage crank arm 530 rotates with the rotation of power transmission shaft 300.Support
Portion 532 is held to be used to offset with energy storage auxiliary switch 560.Fixed part 533 and 532 setting at an acute angle of support division, on fixed part 533
Fixed column 570 is provided with, one end of energy-stored spring 540 is arranged in fixed column 570.
Energy storage component 500 also includes screw rod (not shown), and energy-stored spring 540 is sheathed on outside screw rod, and one end of screw rod is fixed
In in fixed column 570, the other end of screw rod is arranged in spring fix bar 550.Certainly, in other embodiments, also may be used
To omit screw rod, the other end of energy-stored spring 540 is directly arranged in spring fix bar 550.
Combined floodgate component 600 includes combined floodgate dropout connecting lever 610 and combined floodgate swing arm 620, and combined floodgate dropout connecting lever 610 can be with pulley
520 offset, and combined floodgate dropout connecting lever 610 can offset with combined floodgate swing arm 620.Specifically, the outer peripheral edge of combined floodgate swing arm 620 is opened
Provided with breach.Combined floodgate component 600 also includes closing coil 630, and closing coil 630 rotates for motorized motions combined floodgate swing arm 620.
Certainly, in other embodiments, closing coil can also be omitted, and mode manually rotates combined floodgate swing arm 620.
Combined floodgate component 600 also includes keeping out post 640.Also referring to Fig. 6,9 and 12, combined floodgate dropout connecting lever 610 includes the
One, which supports end 611 and second, supports end 612, and first, which supports end 611 and second, supports 612 settings at an acute angle of end, and first supports end
611 are used to offset with pulley 520, and second supports end 612 between combined floodgate swing arm 620 keeps out post.Post 640 is kept out to be used to hinder
Gear combined floodgate swing arm 620 rotates clockwise.When closing a floodgate, combined floodgate swing arm 620 rotates counterclockwise, and second supports end 612 revolves with closing a floodgate
Breach on bar 620 is corresponding.
Output shaft 700 is arranged in foreboard 101 and back plate 102, and back plate 102 is run through in one end.Buffer 810, connecting shaft connecting lever
820th, connecting rod 830 and pitman arm 840, back plate 102 is may be contained within back on the surface of foreboard 101.Connecting shaft connecting lever 820 and pitman arm
840 are respectively arranged at the both ends of connecting rod 830, and connecting shaft connecting lever 820 is arranged on output shaft 700, turn with the rotation of output shaft 700
It is dynamic, so as to which connecting shaft connecting lever 820 can contradict or separate with buffer 810.Specifically, connecting shaft connecting lever 820 can be relative to connecting rod 830
Rotate, pitman arm 840 can also rotate relative to connecting rod 830.
Also referring to Fig. 6,9 and 12, spring is provided with combined floodgate swing arm 620 and keeps out piece 621, spring keep out piece 621 with
The rotation of combined floodgate swing arm 620 and rotate.Anti- reclosing spring 710 is provided with output shaft 700, anti-reclosing spring 710 is with defeated
The rotation of shaft 700 and rotate, when anti-reclosing spring 710, which turns to, keeps out 621 face of piece with spring, spring keeps out piece
621 can be inconsistent with anti-reclosing spring 710.
Separating brake component 900 includes separating brake connecting lever wheel 910, tripping spring connecting lever 920, tripping spring sleeve 930, separating brake connecting lever
940th, separating brake button 950, separating brake connecting lever roller 960 and separating brake swing arm 970, are respectively positioned between foreboard 101 and back plate 102.Separating brake turns
Arm wheel 910 is arranged on output shaft 700.Specifically, separating brake connecting lever wheel 910 can be arranged at the tabular on output shaft 700 by one
Structure is arranged on output shaft 700 indirectly, and is rotated with the rotation of output shaft 700.
Tripping spring connecting lever 920 is arranged on output shaft 700, tripping spring connecting lever 920 and the one of tripping spring sleeve 930
End connection, therefore, when tripping spring connecting lever 920, which rotates, to be rotated with output shaft 700, tripping spring connecting lever 920 can pull separating brake
One end of spring spool 930, make the spring-compressed accumulation of energy in tripping spring sleeve 930.
Separating brake connecting lever roller 960 is arranged on tripping spring connecting lever 920, is rotated with the rotation of tripping spring connecting lever 920.
Separating brake button 950 is coaxially disposed with separating brake connecting lever 940, and separating brake button 950 can be inconsistent with separating brake connecting lever roller 960, separating brake connecting lever
940 can be inconsistent with separating brake swing arm 970.Specifically, a breach is offered on separating brake swing arm 970.When separating brake, pass through rotation
Separating brake swing arm 970, separating brake connecting lever 940 are corresponding with breach.
It is additionally provided with separating brake connecting lever 940 and keeps out arm 941, keeps out arm 941 and 940 setting at an acute angle of separating brake connecting lever, and together
Axle is set.It is front and rear that a countercheck rod 980 is additionally provided between back plate 102, keep out arm 941 and be engaged with countercheck rod 980, stop and divide
Lock connecting lever 940 rotates clockwise.
Separating brake component 900 also includes switching winding 990, and switching winding 990 rotates for motorized motions separating brake swing arm 970.
Certainly, in other embodiments, switching winding can also be omitted, and mode manually rotates separating brake swing arm 970.
Above-mentioned breaker 10 at least has advantages below：
Also referring to Fig. 4~Fig. 6, during energy storage, manually rotating operation axle 100, operating shaft 100 pass through gear drive
Component 400 drives power transmission shaft 300 to rotate, or starts power source 200, and power source 200 is driven by gear-driven assembly 400 and grasped
Make axle 100 to rotate, operating shaft 100 so that by gear-driven assembly 400 drive power transmission shaft 300 rotate, the biography on power transmission shaft 300
Moving plate connecting lever 510 and energy-storage crank arm 530 rotate counterclockwise with power transmission shaft 300, and energy-stored spring 540 is stretched with rotation reaches energy storage
State, now energy-storage crank arm 530 get on energy storage auxiliary switch 560, energy storage auxiliary contact is cut off, power source 200 stop work
Make, thermal energy storage process terminates.
After energy storage terminates, the pulley 520 on drive plate connecting lever 510 is just propped up on combined floodgate dropout connecting lever 610, and it is de- to close a floodgate
Button connecting lever 610 is blocked by combined floodgate swing arm 620 again, therefore can effectively block the restoring force of energy-stored spring 540, makes energy-storage crank arm 530 not
It can rotate counterclockwise, reach maintenance energy storage state.
Also referring to Fig. 7~Fig. 9, during combined floodgate, combined floodgate swing arm 620 is rotated counterclockwise, releases combined floodgate swing arm 620 to closing a floodgate
The limitation of dropout connecting lever 610, due to the restoring force of energy-stored spring 540, force drive plate connecting lever 510 to rotate counterclockwise rapidly, pass
The impulsive force that Moving plate connecting lever 510 rotates is beaten on separating brake connecting lever wheel 910, rotates clockwise tripping spring connecting lever 920, and is made point
The spring-compressed accumulation of energy of lock spring spool 930, output shaft 700 also rotate clockwise, therefore drive the connecting shaft connecting lever in back plate 102
820 rotate clockwise, and connecting shaft connecting lever 820 separates with buffer 810, now close a floodgate and complete.
At the end of combined floodgate, separating brake connecting lever roller 960 just falls on separating brake button 950, and separating brake connecting lever 940 is because of separating brake swing arm
970 gears, therefore the position of separating brake connecting lever roller 960 can be kept constant, so that breaker 10 is maintained at closing position.Close
At the end of lock, the energy release of energy-stored spring 540, power source 200 can be again started up the energy storage of energy-stored spring 540.At this moment, due to
Spring keeps out the presence of piece 621 and anti-reclosing spring 710, and anti-reclosing spring 710 just keeps out the face of piece 621 with spring,
When combined floodgate swing arm 620 has the trend rotated counterclockwise, anti-reclosing spring 710 is interacted by keeping out piece 621 with spring
Prevent combined floodgate swing arm 620 from rotating, therefore breaker 10 can be avoided to close a floodgate again, avoid caused enormous impact force of closing a floodgate again
The adverse consequences to caused by whole mechanism.
Also referring to Figure 10~Figure 12, during separating brake, separating brake button 950 is released by rotating separating brake swing arm 970 separating brake is turned
The limitation of arm roller 960, energy release caused by the spring-compressed in tripping spring sleeve 930 drive output shaft 700 and output
Separating brake connecting lever wheel 910, separating brake connecting lever 940 and connecting shaft connecting lever 820 on axle 700 rotate counterclockwise, until connecting shaft connecting lever 820 is with delaying
Rush device 810 to be in contact, separating brake is completed.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. breaker, it is characterised in that including：Foreboard, back plate, the foreboard are oppositely arranged with the back plate interval；Operating shaft, it is arranged in the foreboard and the back plate, and both ends extend through the foreboard and the back plate；Power source, it is arranged in the back plate；Power transmission shaft, it is arranged on the foreboard；Gear-driven assembly, the power source drive the operating shaft to rotate by the gear-driven assembly, the operating shaft And then the drive axis is driven by the gear-driven assembly；Energy storage component, including drive plate connecting lever, pulley, energy-storage crank arm, energy-stored spring, spring fix bar and energy storage auxiliary switch, The drive plate connecting lever and the energy-storage crank arm are arranged on the power transmission shaft, and the pulley is arranged at the drive plate connecting lever On, the drive plate connecting lever and the pulley are respectively positioned between the foreboard and the back plate, and the energy-storage crank arm is arranged at institute State foreboard to be arranged on the energy-storage crank arm back on the surface of the back plate, one end of the energy-stored spring, the energy storage bullet The other end of spring is arranged in the spring fix bar, and the energy storage auxiliary switch is arranged at the foreboard back on the back plate Surface, and the energy storage auxiliary switch can be inconsistent with the energy-storage crank arm；Combined floodgate component, including combined floodgate dropout connecting lever and combined floodgate swing arm, the combined floodgate dropout connecting lever can offset with the pulley, The combined floodgate dropout connecting lever can offset with the combined floodgate swing arm；Output shaft, the foreboard and the back plate are arranged in, and the back plate is run through in one end；Buffer, connecting shaft connecting lever, connecting rod, pitman arm, the back plate is may be contained within back on the surface of the foreboard, the connecting shaft Connecting lever is respectively arranged at the both ends of the connecting rod with the pitman arm, and the connecting shaft connecting lever is arranged on the output shaft, described Connecting shaft connecting lever can contradict or separate with the buffer；AndSeparating brake component, including separating brake connecting lever wheel, tripping spring connecting lever, tripping spring sleeve, separating brake connecting lever, separating brake are buckled, separating brake turns Arm roller and separating brake swing arm, are respectively positioned between the foreboard and the back plate, and the separating brake connecting lever wheel is arranged at the output shaft On, the tripping spring connecting lever is arranged on the output shaft, the tripping spring connecting lever and the one of the tripping spring sleeve End connection, the separating brake connecting lever roller are arranged on the tripping spring connecting lever, and the separating brake button and the separating brake connecting lever are coaxial Set, the separating brake button can be inconsistent with the separating brake connecting lever roller, and the separating brake connecting lever can be with the separating brake swing arm phase Contradict；Wherein, spring is provided with the combined floodgate swing arm and keeps out piece, anti-reclosing spring, the bullet are provided with the output shaft Spring keeps out piece can be inconsistent with the anti-reclosing spring.
- 2. breaker according to claim 1, it is characterised in that the power source is motor, and the motor is through described It is arranged at after foreboard in the back plate.
- 3. breaker according to claim 1, it is characterised in that the gear-driven assembly includes first gear, second Gear, the 3rd gear and the 4th gear, the first gear are arranged at the output end of the power source, the second gear and institute State the 3rd gear to be coaxially arranged in the operating shaft, the second gear is meshed with the first gear, the 4th tooth Wheel is arranged on the power transmission shaft, and the 4th gear is meshed with the 3rd gear.
- 4. breaker according to claim 1, it is characterised in that unilateral bearing, the list are arranged with the operating shaft It is embedded to bearing on the foreboard.
- 5. breaker according to claim 1, it is characterised in that the energy-storage crank arm includes rotation section, support division and consolidated Determine portion, the rotation section is arranged on the power transmission shaft, and the support division is used to offset with the energy storage auxiliary switch, described Fixed part and support division setting at an acute angle, fixed column are provided with the fixed part, one end of the energy-stored spring is set In in the fixed column.
- 6. breaker according to claim 5, it is characterised in that the energy storage component also includes screw rod, the energy storage bullet Spring is sheathed on outside the screw rod, and one end of the screw rod is fixed in the fixed column, and the other end of the screw rod is arranged at institute State in spring fix bar.
- 7. breaker according to claim 1, it is characterised in that the pulley is rotatablely arranged at the drive plate and turned On arm.
- 8. breaker according to claim 1, it is characterised in that the combined floodgate component also includes closing coil, the conjunction Brake cable circle is used for combined floodgate swing arm described in motorized motions and rotated.
- 9. breaker according to claim 1, it is characterised in that the separating brake component also includes switching winding, described point Brake cable circle is used for separating brake swing arm described in motorized motions and rotated.
- 10. breaker according to claim 1, it is characterised in that the combined floodgate component also includes keeping out post, the combined floodgate Dropout connecting lever supports end including first and second supports end, and described first, which supports end, supports with described second and hold setting at an acute angle, Described first, which supports end, is used to offset with the pulley, and described second supports end keeps out post positioned at the combined floodgate swing arm with described Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108565188B (en) * | 2018-06-21 | 2023-12-15 | 苏州达博思智能电网装备制造有限公司 | Compact and reliable breaker spring operating mechanism |
| CN109887774A (en) * | 2019-04-22 | 2019-06-14 | 江苏洛凯机电股份有限公司 | Breaker mechanism brake separating mechanism |
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| CN201222454Y (en) * | 2008-07-11 | 2009-04-15 | 厦门华电开关有限公司 | Spring operation mechanism for miniaturisation vacuum circuit-breaker |
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| US9373456B2 (en) * | 2014-04-24 | 2016-06-21 | Eaton Corporation | Circuit breakers with clock spring drives and/or multi-lobe drive cams and related actuators and methods |
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| CN2829060Y (en) * | 2005-09-20 | 2006-10-18 | 姜全海 | Small spring operating mechanism for vacuum circuit breaker |
| CN201222454Y (en) * | 2008-07-11 | 2009-04-15 | 厦门华电开关有限公司 | Spring operation mechanism for miniaturisation vacuum circuit-breaker |
| CN102034651A (en) * | 2010-12-02 | 2011-04-27 | 天水长城开关厂有限公司 | Fully-integrated spring operating mechanism for high-voltage alternating-current circuit breaker |
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Inventor after: Zhang Jinshan Inventor after: Wang Tao Inventor after: Chen Yong Inventor after: Xu Shaocong Inventor after: Yang Xiangfeng Inventor after: Nie Ruifeng Inventor after: Zou Zhiyuan Inventor before: Chen Bo Inventor before: Zhang Jinshan Inventor before: Wang Jingyang Inventor before: Yao Fei |