CN104240979B - Circuit breaker operation mechanism and subtract power closing keeping device - Google Patents
Circuit breaker operation mechanism and subtract power closing keeping device Download PDFInfo
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- CN104240979B CN104240979B CN201310246361.XA CN201310246361A CN104240979B CN 104240979 B CN104240979 B CN 104240979B CN 201310246361 A CN201310246361 A CN 201310246361A CN 104240979 B CN104240979 B CN 104240979B
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- pallet
- separating brake
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Abstract
The invention discloses a kind of circuit breaker operation mechanism and subtract power closing keeping device, the described power of subtracting closing keeping device includes: closes a floodgate and keeps catch mechanism, including the holding pallet that closes a floodgate, closing a floodgate keeps pallet axle, the first inclined-plane and the first roller, and described combined floodgate keeps pallet by described first inclined-plane and to be used for transmitting the connecting lever component touch from tripping spring and the active force of switching-in spring；Two grades of catch mechanism, including two grades of pallets, two grades of pallet axles, the second inclined-plane and the second roller, the first end of described two grades of pallets is by described second inclined-plane and described first roller contact；Separating brake catch mechanism, including separating brake catch mechanism axle and a pair first separating brake pallets, the second end of described two grades of pallets is then contacted with described separating brake catch mechanism by described second roller；Two tripping electromagnets, match with the pair of first separating brake pallet.Needed for the present invention, brake-separating and tripping force is little, opening time difference is little, modularity and volume is little, be easy to I& M.
Description
Technical field
The present invention relates to electric power system power distribution apparatus field, especially with the one for circuit breaker operation mechanism
Subtract power closing keeping device and to have this spring operating mechanism subtracting power closing keeping device relevant.
Background technology
Primary cut-out is the nucleus equipment in controller switching equipment field, and operating mechanism is the core of primary cut-out
Parts, and closing keeping device is the core component of operating mechanism.The reliability of closing keeping device is direct
It is related to the reliability of circuit breaker operation mechanism, thus decides the reliability of primary cut-out.Existing height
The closing keeping device of voltage breaker operating mechanism mostly is the technology introduced from MIT, this conjunction
Lock keeps structural requirement brake-separating and tripping force big, and the volume of switching winding is big, and operating mechanism easily occurs refusing point
The phenomenon of lock, additionally two switching windings of this kind of closing keeping device use series-mode frame, two lines
The produced opening time difference of circle is big.
Closing keeping device is to realize in operating mechanism closing a floodgate keeping the device of operation and sub-switching operation, so that
Chopper realizes closing operation and sub-switching operation.
Publication No. CN202434406U, entitled " GIS breaker mechanism switch-on holding structure "
Utility model patent, the closing keeping device of its background technology is: when mechanism closes a floodgate, in switching-in spring power
Effect under connecting lever rotate counterclockwise, close a floodgate and keep the roller on pallet to push down separating brake pallet, in-place closing
After, connecting lever turns clockwise under the effect of separating brake spring force, and the holding pallet that at this moment closes a floodgate travels forward and withstands
Connecting lever roller, separating brake pallet withstands to close a floodgate and keeps the roller of pallet, thus realizes holding of closing a floodgate.Work as needs
During separating brake, tripping electromagnet triggers separating brake pallet, and separating brake pallet rotates counterclockwise and keeps pallet to take off with closing a floodgate
Opening, close a floodgate and keep pallet to disengage with connecting lever, connecting lever realizes separating brake under the effect of tripping spring power.This
Brake-separating and tripping force required by closing keeping device is big, and two switching windings of this closing keeping device are adopted
With series-mode frame, the opening time difference of two coils is big.
Closing keeping device disclosed in above-mentioned utility model is: when mechanism closes a floodgate, in switching-in spring power
The lower connecting lever of effect keeps pallet counterclockwise motion with closing a floodgate, when after in-place closing connecting lever at separating brake bullet
Keeping pallet clockwise movement with closing a floodgate under the effect of spring force, fastener waits under the effect of extension spring in advance
Stoping closes a floodgate keeps pallet to turn clockwise, and separating brake pallet withstands fastener, and separating brake semiaxis blocks separating brake pallet,
Realize closing a floodgate and keep.When needs separating brake, tripping electromagnet triggers separating brake semiaxis, separating brake semiaxis and separating brake
Pallet disengages, and separating brake pallet disengages with fastener, and connecting lever keeps with closing a floodgate under the effect of tripping spring power
Pallet turns clockwise and realizes separating brake.This switch-on holding structure is more open, and shared space is relatively big,
It is unfavorable for the miniaturization of mechanism.
Summary of the invention
For problems of the prior art, the purpose of the present invention is for providing a kind of required brake-separating and tripping force
Little, opening time difference is little, modularity and volume is little, be easy to I& M subtract power close a floodgate keep dress
Put, with solve prior art separating brake holding means needed for brake-separating and tripping force is big, opening time difference is big,
Take up room big and that mechanism is loose technical problem.
Another object of the present invention is to the chopper providing a kind of present invention of having to subtract power closing keeping device
Operating mechanism.
Technical scheme is as follows:
One subtracts power closing keeping device, including: close a floodgate keep catch mechanism, including close a floodgate keep pallet,
Closing a floodgate and keep pallet axle, the first inclined-plane and the first roller, described combined floodgate keeps pallet by described first oblique
Face be used for transmit the connecting lever component touch acted on from tripping spring and switching-in spring；Two grades of pallets
Assembly, including two grades of pallets, two grades of pallet axles, the second inclined-plane and the second roller, described two grades of pallets
First end is by described second inclined-plane and described first roller contact；Separating brake catch mechanism, pulls including separating brake
Sub-component axle and a pair first separating brake pallets, the second end of described two grades of pallets is then by described second roller
Contact with described separating brake catch mechanism；Two tripping electromagnets, match with the pair of first separating brake pallet.
The circuit breaker operation mechanism of the present invention, have the present invention subtracts power closing keeping device.
The beneficial effects of the present invention is, the present invention subtracts power closing keeping device, relative to traditional conjunction
The brake-separating and tripping force that lock keeps structure to need is little, reduces the requirement of sub-switching operation power, makes dividing of chopper
Lock operation is more reliable, and two switching windings use side-by-side configuration, the opening time difference of two switching windings
Little, improve the mechanical property of chopper.Whole closing keeping device uses circular die blocking structure, body
Long-pending little, it is simple to assembling, easily realize the modularity of whole operating mechanism.
Accompanying drawing explanation
Fig. 1 is the cross section view subtracting power closing keeping device of the embodiment of the present invention；
Fig. 2 is the schematic diagram subtracting the holding pallet that closes a floodgate in power closing keeping device of the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention subtract the schematic diagram of two grades of pallets in power closing keeping device；
Fig. 4 be the embodiment of the present invention subtract separating brake pallet and the layout of reduction torsion spring in power closing keeping device
View；
Fig. 5 is the modular assembly schematic diagram subtracting power closing keeping device of the embodiment of the present invention；
Fig. 6 is the shape when operating mechanism is in combined floodgate subtracting power closing keeping device of the embodiment of the present invention
State view；
Fig. 7 is the shape when operating mechanism is in separating brake subtracting power closing keeping device of the embodiment of the present invention
State view.
Detailed description of the invention
Embodiment feature of present invention will describe with some exemplary embodiments of advantage in the explanation of back segment in detail.
It should be understood that the present invention can have various changes on different embodiments, so its all without departing from
The scope of the present invention, and explanation therein and accompanying drawing be illustrated as being used in itself, and be not used to limit
The present invention.
The embodiment of the present invention subtract power closing keeping device, can be applicable to the embodiment of the present invention chopper behaviour
Make mechanism.The circuit breaker operation mechanism of the embodiment of the present invention, the power that subtracts can with the embodiment of the present invention is closed a floodgate
Holding means.
As it is shown in figure 1, the embodiment of the present invention subtract power closing keeping device, including close a floodgate keep pallet group
1, two grades of catch mechanism 2 of part, separating brake catch mechanism 3, installing plate 4, tripping electromagnet 5 and support 6.
And the effect of connecting lever assembly 7 is that transmission is from tripping spring 8 and the work of switching-in spring (not shown)
Firmly.
Wherein, as it is shown in figure 5, the embodiment of the present invention subtract power closing keeping device, its support 6 includes
Top board 61, base plate 62, header board 63, back plate 64 and side plate 65.The power combined floodgate that subtracts of the embodiment of the present invention is protected
The remaining part in addition to support 6 holding device is entirely directly or indirectly arranged in support 6, thus
Make subtracting power closing keeping device and can becoming an independent installation module of the embodiment of the present invention.
Tripping electromagnet 5 is two, is mounted side by side on installing plate 4, and installing plate 4 is fixed on back plate
On 64.Therefore two tripping electromagnets 5 are a kind of block form mounting structures.
Keep catch mechanism 1 to include combined floodgate keeps pallet 11, closing a floodgate keeps pallet as it is shown in figure 1, close a floodgate
Axle 12, roller 13, back-moving spring 14 and spring base 15.
Wherein, as it is shown in figure 5, close a floodgate and keep pallet axle 12 to be fixedly connected on header board 63 and back plate 64
Between, close a floodgate and keep the pivotable combined floodgate that is connected to of pallet 11 to keep pallet axle 12；Close a floodgate and keep pallet
The both sides of 11 are respectively provided with arc surface 111, inclined-plane 112 and perpendicular 113, and roller 13 is connected to erect
Directly plane 113 side, and roller 13 is positioned at the lower section of perpendicular 113；Spring base 15 is arranged on top
The inner surface of plate 61, one end of back-moving spring 14 is arranged on spring base 15, and the other end is connected to vertically
Plane 113.
As it is shown in figure 1, two grades of catch mechanism 2 include two grades of pallets 21, two grades of pallet axles 22, reset bullets
Spring 23, spacer pin 24 and roller 25.
Two grades of pallet axles 22 are fixedly connected between header board 63 and back plate 64, and two grades of pallets 21 are inverted " L "
Shape structure, two grades of pallets 21 are pivotable is connected to two grades of pallet axles 22；Two grades of pallets 21 are towards combined floodgate
The side keeping pallet axle 12 has inclined-plane 211 and horizontal plane 212, and inclined-plane 211 is obliquely
Direction extends, and horizontal plane 212 is horizontal-extending；Roller 25 is connected to the bottom of two grades of pallets 21.
One end of back-moving spring 23 is arranged in horizontal plane 212, and the other end is connected to the inner surface of top board 61,
Back-moving spring 23 both can be helical spring as depicted, it is also possible to is replaced by torsion spring and realizes two grades and pull
The reset of son 21.Back-moving spring 14 is perpendicular to back-moving spring 23 and arranges.Spacer pin 24 is arranged at inclined-plane
The interior side-lower of 211, as it is shown in figure 1, spacer pin 24 is in order to limit the position of two grades of pallets 21, example
In the case of as shown in Figure 1, two grades of pallets 21 can only rotate counterclockwise.
Wherein, arc surface 111 can be easy to connecting lever assembly 7 make in rotary course combined floodgate keep catch mechanism
The roller 13 of 1 and the inclined-plane 211 of two grades of pallets 21 are in released state, close a floodgate and keep pallet 11 to pass through
Inclined-plane 112 contacts with connecting lever assembly 7, and inclined-plane 112 is then easy to close a floodgate keep pallet 11 and connecting lever assembly 7
Producing one during snapping (or claiming overlap joint) makes combined floodgate keep the active force that pallet 11 turns clockwise.Two grades
Pallet 11 is contacted with the roller 13 keeping catch mechanism 1 that closes a floodgate by inclined-plane 211, and inclined-plane 211 is then
Two grades of pallets 21 are made to produce an active force turned clockwise when contacting with inclined-plane 211 for roller 13.
It addition, the end face 330 of separating brake pallet 33 contacts with the roller 25 of two grades of catch mechanism 2.
Separating brake catch mechanism 3 includes separating brake pallet 31, spacing pallet 32, separating brake pallet 33, spacer pin
34, reduction torsion spring 35, reduction torsion spring 36, torsion spring pin 37, separating brake catch mechanism axle 38 and pivot pin 39.
Separating brake pallet 31, spacing pallet 32, separating brake pallet 33 are installed on separating brake catch mechanism axle 38.Point
Lock catch mechanism axle 38 is also to be fixedly connected between header board 63 and back plate 64, closes a floodgate and keeps pallet axle
12, two grades of pallet axles 22 and separating brake catch mechanism axle 38 are arranged in parallel.A pair separating brake pallet 31
It is fixedly connected on separating brake catch mechanism axle 38 by pivot pin 39 with single spacing pallet 32, Mei Yifen
A lock pallet 31 corresponding making electromagnet 5 respectively.Separating brake pallet 33 is rotatablely connected with separating brake pallet
Assembly axle 38, spacing pallet 32 limits the position of separating brake pallet 33, spacer pin 34 by spacer pin 34
It is parallel to separating brake catch mechanism axle 38 arrange, and pulls from separating brake in the axial direction of separating brake catch mechanism axle 38
The position of son 33 extends to the position of spacing pallet 21.
And reduction torsion spring 35 is arranged between two separating brake pallets 31, separating brake pallet 31 and spacing pallet 32
Share reduction torsion spring 35；Reduction torsion spring 36 is arranged near separating brake pallet 33, and separating brake pallet 33 independently makes
With reduction torsion spring 36.Torsion spring pin 37 is then fixedly connected between header board 63 and back plate 64, is used for
Reduction torsion spring 35,36 is carried out spacing.
By described above, shown in Fig. 1, it is known that the embodiment of the present invention subtract power closing keeping device,
The holding pallet axle 12 that closes a floodgate is arranged to close a floodgate and keeps the lower end of pallet 11, and two grades of pallet axles 22 are arranged on institute
State the upper end of two grades of pallets, the described and holding catch mechanism axle that closes a floodgate, be arranged at described combined floodgate and keep pallet
Left end.It closes a floodgate and keeps catch mechanism 1, two grades of catch mechanism 2, separating brake catch mechanism 3 threes substantially
Arrange ringwise.
The making process that subtract power closing keeping device and the separating brake process of the embodiment of the present invention are described below.
Making process:
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 6, in making process, connecting lever assembly 7 is in switching-in spring power 8
Effect under rotate counterclockwise around connecting lever assembly axle 70, when in-place closing, close a floodgate keep pallet 11 exist
Rotating counterclockwise under the effect of back-moving spring 14, two grades of pallets 21 are under the effect of back-moving spring 23 simultaneously
Rotating counterclockwise, its inclined-plane 211 withstands roller 13, and separating brake pallet 33 is at the work of reduction torsion spring 36 simultaneously
Turning clockwise under with, its end face 330 withstands the roller 25 of two grades of catch mechanism 2, when after in-place closing
The holding pallet 11 that closed a floodgate when connecting lever assembly 7 turns clockwise under the effect of tripping spring 8 withstands and protects
Hold at closing position.
Separating brake process:
Such as Fig. 1, shown in Fig. 4, Fig. 6, Fig. 7, when closing a floodgate, pallet 11 is kept to turn owing to closing a floodgate
The active force turned clockwise, roller 13 is had to extrude the inclined-plane of two grades of pallets 21 under the effect of arm component 7
211 produce an active force making two grades of pallets 21 turn clockwise, and separating brake pallet 33 withstands roller
25 make two grades of pallets 21 be maintained at a poised state.When tripping electromagnet 5 is in the effect of electromagnetic pulse
During lower shock separating brake pallet 31, separating brake pallet 31 drives separating brake catch mechanism axle 38 to rotate counterclockwise, point
Lock catch mechanism axle 38 drives spacing pallet 32 to rotate, and spacing pallet 32 is driven by spacer pin 34 and divides
Lock pallet 33 rotates counterclockwise and makes end face 330 depart from roller 25, and two grades of pallets 21 lose separating brake pallet
The support of 33 and turn clockwise and roller 13 departs from, close a floodgate keep pallet 11 to lose support and around combined floodgate
Keeping pallet axle 12 to turn clockwise and connecting lever assembly 7 departs from, connecting lever assembly 7 is at the work of tripping spring 8
Turn clockwise around connecting lever assembly axle 70 under with and realize sub-switching operation.
The embodiment of the present invention subtract power closing keeping device, need relative to traditional switch-on holding structure
Brake-separating and tripping force is little, reduces the requirement of sub-switching operation power, and the sub-switching operation making chopper is more reliable, and two
Individual tripping electromagnet 5 uses side-by-side configuration, and the opening time difference of two switching windings is little, and raising is resolved
The mechanical property of road device.Whole closing keeping device uses circular die blocking structure, and volume is little, it is simple to dress
Join, easily realize the modularity of whole operating mechanism.
In sum, although the present invention discloses as above with preferred embodiment, so it is not limited to this
Invention, artisan will appreciate that without departing from disclosed in appended claims of the invention
The change made in the case of scope and spirit of the present invention and retouching, all belong to the claim of the present invention
Within protection domain.
Claims (9)
1. one kind subtracts power closing keeping device, it is characterised in that described in subtract power closing keeping device and include:
Close a floodgate keep catch mechanism, including close a floodgate keep pallet, close a floodgate keep pallet axle, the first inclined-plane and
First roller, described combined floodgate keep pallet by described first inclined-plane be used for transmitting from tripping spring and
The connecting lever component touch of the active force of switching-in spring；
Two grades of catch mechanism, including two grades of pallets, two grades of pallet axles, the second inclined-plane and the second roller, institute
State the first end of two grades of pallets by described second inclined-plane and described first roller contact；
Separating brake catch mechanism, including separating brake catch mechanism axle and a pair first separating brake pallets, pulls for described two grades
Second end of son is then contacted with described separating brake catch mechanism by described second roller；Described separating brake pallet group
Part also includes the spacing pallet coaxial with the pair of first separating brake pallet and the second separating brake pallet, described limit
Position pallet is fixing with the pair of first separating brake pallet and described separating brake catch mechanism axle to be connected, and described second
Separating brake pallet is rotatablely connected with described separating brake catch mechanism axle；
Two tripping electromagnets, match with the pair of first separating brake pallet.
Subtract power closing keeping device the most as claimed in claim 1, it is characterised in that described in subtract power close a floodgate
Holding means also includes that installing plate and support, described two tripping electromagnets are disposed side by side on described installing plate,
Described installing plate, described combined floodgate keep pallet axle, described two grades of pallet axles and described separating brake catch mechanism axle
It is both secured to described support.
Subtract power closing keeping device the most as claimed in claim 2, it is characterised in that described combined floodgate keeps
Catch mechanism, described two grades of catch mechanism and described separating brake catch mechanism are arranged ringwise, and described combined floodgate is protected
Holding pallet axle and be arranged at the lower end of the described holding pallet that closes a floodgate, described two grades of pallet axles are arranged at described two grades
The upper end of pallet, described separating brake catch mechanism axle is arranged at the left end of described first separating brake pallet.
Subtract power closing keeping device the most as claimed in claim 1, it is characterised in that described combined floodgate keeps
Also having arc surface on pallet, described arc surface and described first inclined-plane keep the of pallet described combined floodgate
Side, described first roller is arranged on described combined floodgate and keeps the second side of pallet.
The power of subtracting closing keeping device the most according to claim 1, it is characterised in that pull for described two grades
Son is inverted L-shaped.
The power of subtracting closing keeping device the most according to claim 1, it is characterised in that pull for described two grades
Sub-component also includes that back-moving spring, described back-moving spring are helical spring or torsion spring.
The power of subtracting closing keeping device the most according to claim 1, it is characterised in that the pair of
It is multiple that one separating brake pallet and described spacing pallet share first be arranged between the pair of first separating brake pallet
Position torsion spring, described second separating brake pallet independently uses the second reduction torsion spring, described first reduction torsion spring and institute
State the second reduction torsion spring to be arranged on described separating brake catch mechanism axle.
The power of subtracting closing keeping device the most according to claim 7, it is characterised in that pull for described two grades
Second end of son is then by the described second separating brake pallet of described second roller and described separating brake catch mechanism
End contact.
9. a circuit breaker operation mechanism, it is characterised in that described circuit breaker operation mechanism has right to be wanted
Ask that 1-8 is arbitrary described subtracts power closing keeping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310246361.XA CN104240979B (en) | 2013-06-20 | 2013-06-20 | Circuit breaker operation mechanism and subtract power closing keeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310246361.XA CN104240979B (en) | 2013-06-20 | 2013-06-20 | Circuit breaker operation mechanism and subtract power closing keeping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104240979A CN104240979A (en) | 2014-12-24 |
| CN104240979B true CN104240979B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310246361.XA Active CN104240979B (en) | 2013-06-20 | 2013-06-20 | Circuit breaker operation mechanism and subtract power closing keeping device |
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| CN (1) | CN104240979B (en) |
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| CN201392769Y (en) * | 2009-04-10 | 2010-01-27 | 西安西能电器新技术发展有限公司 | Operating mechanism for vacuum breaker |
| CN101656167A (en) * | 2008-08-22 | 2010-02-24 | 重庆亿科电气股份有限公司 | Spring actuating mechanism of vacuum circuit-breaker |
| CN201741632U (en) * | 2010-04-26 | 2011-02-09 | 南京业基电气设备有限公司 | Linkage structure between operation mechanism and seal terminal pole of vacuum circuit break |
| CN202434406U (en) * | 2011-10-28 | 2012-09-12 | 余姚市华宇电器有限公司 | Closing maintenance structure for GIS breaker mechanism |
| CN203423118U (en) * | 2013-06-20 | 2014-02-05 | 厦门华电开关有限公司 | Circuit breaker operating mechanism and force-reducing switching-on holding device thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0793077B2 (en) * | 1987-07-10 | 1995-10-09 | 株式会社日立製作所 | Switch operating device |
| JP4881117B2 (en) * | 2006-09-29 | 2012-02-22 | 株式会社東芝 | Switchgear and switchgear operating mechanism |
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2013
- 2013-06-20 CN CN201310246361.XA patent/CN104240979B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656167A (en) * | 2008-08-22 | 2010-02-24 | 重庆亿科电气股份有限公司 | Spring actuating mechanism of vacuum circuit-breaker |
| CN201392769Y (en) * | 2009-04-10 | 2010-01-27 | 西安西能电器新技术发展有限公司 | Operating mechanism for vacuum breaker |
| CN201741632U (en) * | 2010-04-26 | 2011-02-09 | 南京业基电气设备有限公司 | Linkage structure between operation mechanism and seal terminal pole of vacuum circuit break |
| CN202434406U (en) * | 2011-10-28 | 2012-09-12 | 余姚市华宇电器有限公司 | Closing maintenance structure for GIS breaker mechanism |
| CN203423118U (en) * | 2013-06-20 | 2014-02-05 | 厦门华电开关有限公司 | Circuit breaker operating mechanism and force-reducing switching-on holding device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104240979A (en) | 2014-12-24 |
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