CN104377087B - Circuit breaker switching-on and switching-off association mechanism - Google Patents
Circuit breaker switching-on and switching-off association mechanism Download PDFInfo
- Publication number
- CN104377087B CN104377087B CN201310359645.XA CN201310359645A CN104377087B CN 104377087 B CN104377087 B CN 104377087B CN 201310359645 A CN201310359645 A CN 201310359645A CN 104377087 B CN104377087 B CN 104377087B
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- CN
- China
- Prior art keywords
- separating brake
- switching
- elongator
- floodgate
- combined floodgate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01H71/1009—Interconnected mechanisms
- H01H71/1027—Interconnected mechanisms comprising a bidirectional connecting member actuated by the opening movement of one pole to trip a neighbour pole
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- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A circuit breaker switching-on and switching-off association mechanism comprises a side plate and is characterized in that a switching-on lever is installed on the side plate and can abut against a switching-on half shaft, a switching-on extending part is installed on the switching-on half shaft, a switching-on limiting convex rod extends out of the switching-on extending part and extends into a switching-on limiting hole, the switching-on limiting hole is formed in the side plate, and a switching-on half shaft reset spring is installed on the switching-on limiting convex rod. The switching-on extending part can be in contact with a switching-off extending part and is installed on a switching-off half shaft, a switching-off limiting convex rod extends out of the switching-off extending part and extends into a switching-off limiting hole, the switching-off limiting hole is formed in the side plate, and the switching-off reset spring is installed on the switching-off limiting convex rod. When the switching-off half shaft is subjected to fault trip, under-voltage power loss and locking of an off position lock or a mechanical interlock, the switching-on half shaft is locked, a false switching-on phenomenon is avoided, and the reliability and safety of a circuit breaker are improved.
Description
Technical field
The invention belongs to low voltage equipment technical field, is exactly specifically to be related to a kind of circuit-breaker switching on-off association machine
Structure, can avoid purpose of breaker failure from producing false switching, improve the safety in utilization of chopper.
Background technology
Chopper is divided into primary cut-out and low-voltage circuit breaker by its use range.Low-voltage circuit breaker also known as automatic switch,
It is commonly called as " air switch " and also refers to low-voltage circuit breaker, it is a kind of existing hand switch effect, decompression can be automatically carried out again, is owed
The electrical equipment of pressure, overload and short-circuit protection.It can be used to distribute electric energy, infrequently start asynchronous motor, to power circuit and
Motor etc. carries out protection, when there are serious overloads or the failure such as short-circuit and under-voltage in them can automatic shutdown circuit, its
Function equivalent to Fuse switch and the combination for crossing underheat relay etc., and it is latter in disjunction fault current as need not become
More parts, obtain a wide range of applications.
Omnipotent breaker opening/closing operation mechanism is one of vitals in spring operating mechanism of circuit breaker, its effect
It is to coordinate stored energy mechanism to complete on/off switch and trip action, and ensures the locking of each working condition.Circuit-breaker switching on-off associates machine
Structure is one of vitals in spring operating mechanism of circuit breaker, its effect be when separating brake semiaxis by fault trip, under-voltage dead electricity,
When open position is locked or mechanical interlocking is locked, chopper should close a floodgate.But existing traditional circuit-breaker switching on-off is closed
Online structure is interlocked by aircraft frame and closes a point semiaxis, and complex structure, easily failure, and floodgate semiaxis cannot be locked, and is had and is released the latent of energy
Cause false switching in danger, reliability is not high, reduce the safety of chopper.
The content of the invention
The purpose of the present invention is to lean on aircraft frame interlocking division semiaxis for existing circuit-breaker switching on-off related organization, easily
Failure produces the technological deficiency of false switching, there is provided circuit-breaker switching on-off related organization, can be locked in separating brake by floodgate semiaxis,
False switching is avoided, the reliability of chopper is enhanced, the safety of chopper is improve.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of circuit-breaker switching on-off related organization, and it includes side plate, its
It is characterised by：Combined floodgate lever is installed, the combined floodgate lever can prop up floodgate semiaxis, be equipped with floodgate semiaxis on the side plate
Combined floodgate elongator, stretches out the spacing nose bar of combined floodgate on combined floodgate elongator, the spacing nose bar that closes a floodgate is stretched in combined floodgate spacing hole, is closed a floodgate spacing
Hole is opened on side plate, and floodgate semiaxis back-moving spring is housed on the spacing nose bar that closes a floodgate；
Combined floodgate elongator can contact with separating brake elongator, and separating brake elongator is mounted in separating brake semiaxis, separating brake elongator
On stretch out the spacing nose bar of separating brake, the spacing nose bar of separating brake is stretched in separating brake spacing hole, and separating brake spacing hole is opened on side plate, and separating brake is spacing
Separating brake back-moving spring is housed on nose bar；
The combined floodgate lever, floodgate semiaxis and separating brake semiaxis are hinged respectively with side plate；
The separating brake semiaxis can rotate counterclockwise the spacing nose bar of separating brake positioned at separating brake spacing hole top, the separating brake
Elongator can prop up combined floodgate elongator, and combined floodgate elongator is locked by combined floodgate back-moving spring and separating brake elongator collective effect；
The separating brake semiaxis can rotate clockwise reset under separating brake action of reset spring；
The floodgate semiaxis can rotate reset under combined floodgate action of reset spring.
Described separating brake back-moving spring one end is mounted on the spacing nose bar of separating brake, and the other end is mounted in the mounting post of side plate.
Described combined floodgate back-moving spring one end is mounted in the convex column of side plate, and the other end is connected on the spacing nose bar of combined floodgate.
The combined floodgate elongator is located at the spacing nose bar Impact direction of separating brake with separating brake elongator contact point Impact direction and divides
Lock semiaxis axis both sides.
Beneficial effect
The present invention closes a floodgate half when separating brake semiaxis are locked by fault trip, under-voltage dead electricity, open position lock or mechanical interlocking
Axle is locked, it is to avoid false switching phenomenon occurs, the reliability of chopper is enhanced, the safety of chopper is improve.
Description of the drawings
Accompanying drawing 1 is the present invention in normal occlusion brake structure schematic diagram.
Accompanying drawing 2 is the present invention in the locked lower floodgate semiaxis locking structure schematic diagram of separating brake semiaxis.
Accompanying drawing 3 is spacing nose bar mounting structure schematic diagram in the present invention.
Accompanying drawing 4 is combined floodgate elongator and separating brake elongator contact point stress diagram in accompanying drawing 1.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be further described.
Embodiment
As shown in accompanying drawing 1,3 and 4, a kind of circuit-breaker switching on-off related organization, it includes side plate 1, it is characterised in that：It is described
Combined floodgate lever 2 is installed, the combined floodgate lever 2 can prop up floodgate semiaxis 3, stretch out equipped with combined floodgate in floodgate semiaxis 3 on side plate 1
Part 4, stretches out the spacing nose bar 401 of combined floodgate on combined floodgate elongator 4, the spacing nose bar 401 that closes a floodgate is stretched in combined floodgate spacing hole 4a, limit of closing a floodgate
Position hole 4a is opened on side plate 1, and floodgate semiaxis back-moving spring 5 is housed on the spacing nose bar 401 that closes a floodgate；
Combined floodgate elongator 4 can contact with separating brake elongator 6, and separating brake elongator 6 is mounted in separating brake semiaxis 7, and separating brake is stretched
Go out on part 6 to stretch out the spacing nose bar 601 of separating brake, the spacing nose bar 601 of separating brake is stretched in separating brake spacing hole 7a, and separating brake spacing hole 7a is opened in
On side plate 1, separating brake back-moving spring 8 is housed on the spacing nose bar 601 of separating brake；
The combined floodgate lever 2, floodgate semiaxis 3 and separating brake semiaxis 7 are hinged respectively with side plate 1；
The separating brake semiaxis 7 can rotate counterclockwise the spacing nose bar 601 of separating brake positioned at separating brake spacing hole 7a tops, institute
Stating separating brake elongator 6 can prop up combined floodgate elongator 4, and combined floodgate elongator 4 is common by combined floodgate back-moving spring 5 and separating brake elongator 6
Effect is locked；
The separating brake semiaxis 7 can rotate clockwise reset in the case where separating brake back-moving spring 8 is acted on；
The floodgate semiaxis 3 can be rotated in the case where combined floodgate back-moving spring 5 is acted on and resetted.
Described one end of separating brake back-moving spring 8 is mounted on the spacing nose bar 601 of separating brake, and the other end is mounted in the mounting post 9 of side plate 1
On.
Described one end of combined floodgate back-moving spring 5 is mounted in the convex column 10 of side plate 1, and the other end is connected to the spacing nose bar of combined floodgate
On 401.
The combined floodgate elongator 4 and the contact point Impact direction of separating brake elongator 6 and the spacing Impact direction position of nose bar 601 of separating brake
In the axis both sides of separating brake semiaxis 7.
As shown in Figure 2, operation principle of the invention is, when separating brake semiaxis 7 rotate counterclockwise generation separating brake, to rotate
Stroke is limited in separating brake spacing hole 7a tops by the spacing nose bar 601 of separating brake, and now, combined floodgate elongator 4 is made by combined floodgate back-moving spring 5
With combined floodgate spacing hole 4a bottoms are rested on, combined floodgate elongator 4 is locked by combined floodgate back-moving spring 8 and the collective effect of separating brake elongator 6,
Floodgate semiaxis 3 cannot rotate, therefore can not carry out feed motion.After external fault is released, separating brake elongator 6 is rotated clockwise,
Combined floodgate elongator 4 is separated with separating brake elongator 6, and as shown in Figure 1, floodgate semiaxis 3 can turn clockwise, so as to be closed
Lock action.
The present invention closes a floodgate half when separating brake semiaxis are locked by fault trip, under-voltage dead electricity, open position lock or mechanical interlocking
Axle is locked, it is to avoid false switching phenomenon occurs, the reliability of chopper is enhanced, the safety of chopper is improve.
The relative position for all around referring to part in the specific embodiment of the invention, rather than absolute position, the present invention
Claimed technology contents are not limited only to the technical scheme of the present embodiment offer, any technical side enlightened by the present embodiment
Case both falls within protection scope of the present invention.
Claims (3)
1. a kind of circuit-breaker switching on-off related organization, it includes side plate (1), it is characterised in that：Conjunction is installed on the side plate (1)
Brake lever rod (2), the combined floodgate lever (2) can prop up floodgate semiaxis (3), and combined floodgate elongator (4) is housed in floodgate semiaxis (3),
The spacing nose bar (401) of combined floodgate is stretched out on combined floodgate elongator (4), spacing nose bar (401) of closing a floodgate is stretched in combined floodgate spacing hole (4a), closes
Lock spacing hole (4a) is opened on side plate (1), and floodgate semiaxis back-moving spring (5) is housed on spacing nose bar (401) of closing a floodgate；
Combined floodgate elongator (4) can contact with separating brake elongator (6), and separating brake elongator (6) is mounted in separating brake semiaxis (7), point
The spacing nose bar of separating brake (601) is stretched out on lock elongator (6), the spacing nose bar of separating brake (601) is stretched in separating brake spacing hole (7a), separating brake
Spacing hole (7a) is opened on side plate (1), and separating brake back-moving spring (8) is housed on the spacing nose bar of separating brake (601)；
The combined floodgate lever (2), floodgate semiaxis (3) and separating brake semiaxis (7) are hinged respectively with side plate (1)；
The separating brake semiaxis (7) can rotate counterclockwise the spacing nose bar of separating brake (601) positioned at separating brake spacing hole (7a) top,
The separating brake elongator (6) can prop up combined floodgate elongator (4), and combined floodgate elongator (4) is stretched by combined floodgate back-moving spring (5) and separating brake
Go out part (6) collective effect locked；
The separating brake semiaxis (7) can rotate clockwise reset under separating brake back-moving spring (8) effect；
The floodgate semiaxis (3) can rotate under combined floodgate back-moving spring (5) effect and reset；
The combined floodgate elongator (4) and separating brake elongator (6) contact point Impact direction and separating brake spacing nose bar (601) Impact direction
Positioned at separating brake semiaxis (7) axis both sides.
2. circuit-breaker switching on-off related organization as claimed in claim 1, it is characterised in that：The separating brake back-moving spring (8) one
End is mounted on the spacing nose bar of separating brake (601), and the other end is mounted in the mounting post of side plate (1) (9).
3. circuit-breaker switching on-off related organization as claimed in claim 1, it is characterised in that：The combined floodgate back-moving spring (5) one
End is mounted in the convex column of side plate (1) (10), and the other end is connected on the spacing nose bar (401) of combined floodgate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359645.XA CN104377087B (en) | 2013-08-16 | 2013-08-16 | Circuit breaker switching-on and switching-off association mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359645.XA CN104377087B (en) | 2013-08-16 | 2013-08-16 | Circuit breaker switching-on and switching-off association mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104377087A CN104377087A (en) | 2015-02-25 |
| CN104377087B true CN104377087B (en) | 2017-04-19 |
Family
ID=52555934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310359645.XA Active CN104377087B (en) | 2013-08-16 | 2013-08-16 | Circuit breaker switching-on and switching-off association mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104377087B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889373A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker divide-shut brake subassembly mounting structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1473754A2 (en) * | 2003-04-30 | 2004-11-03 | Siemens Aktiengesellschaft | Latch mechanism for locking a switch axis and electrical switch with such a latch mechanism |
| 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 |
| CN201498428U (en) * | 2009-08-12 | 2010-06-02 | 浙江贝司特电气有限公司 | Spring operating mechanism of high-voltage vacuum breaker |
| CN201508785U (en) * | 2009-07-30 | 2010-06-16 | 常州市明及电气技术开发有限公司 | Switch on/off control mechanism of side-mounting circuit breaker |
| CN101834074A (en) * | 2010-06-12 | 2010-09-15 | 杨秀丽 | Spring operation mechanism for high-voltage breaker |
| CN203445074U (en) * | 2013-08-16 | 2014-02-19 | 上海良信电器股份有限公司 | Circuit breaker opening and closing association mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7863534B2 (en) * | 2008-04-15 | 2011-01-04 | General Electric Company | Spring discharge mechanism for circuit breaker |
-
2013
- 2013-08-16 CN CN201310359645.XA patent/CN104377087B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1473754A2 (en) * | 2003-04-30 | 2004-11-03 | Siemens Aktiengesellschaft | Latch mechanism for locking a switch axis and electrical switch with such a latch mechanism |
| 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 |
| CN201508785U (en) * | 2009-07-30 | 2010-06-16 | 常州市明及电气技术开发有限公司 | Switch on/off control mechanism of side-mounting circuit breaker |
| CN201498428U (en) * | 2009-08-12 | 2010-06-02 | 浙江贝司特电气有限公司 | Spring operating mechanism of high-voltage vacuum breaker |
| CN101834074A (en) * | 2010-06-12 | 2010-09-15 | 杨秀丽 | Spring operation mechanism for high-voltage breaker |
| CN203445074U (en) * | 2013-08-16 | 2014-02-19 | 上海良信电器股份有限公司 | Circuit breaker opening and closing association mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104377087A (en) | 2015-02-25 |
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