CN203859008U - Anti-maloperation mechanism for circuit breaker - Google Patents
Anti-maloperation mechanism for circuit breaker Download PDFInfo
- Publication number
- CN203859008U CN203859008U CN201420197315.5U CN201420197315U CN203859008U CN 203859008 U CN203859008 U CN 203859008U CN 201420197315 U CN201420197315 U CN 201420197315U CN 203859008 U CN203859008 U CN 203859008U
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- China
- Prior art keywords
- connecting rod
- misoperation
- lever
- assembly
- circuit breaker
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- 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.)
- Expired - Lifetime
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Abstract
The utility model discloses an anti-maloperation mechanism for a circuit breaker, which comprises a chain board and a first assembly, wherein the chain board is provided with a test position opening and a working position opening; the first assembly comprises a connection rod and a lever, the connection rod can move up and down, one end of the lever is connected with the upper end of the connection rod, the other end of the lever is connected with a chain mechanism of the circuit breaker, the connection rod ejects one end of the lever upwardly when the connection rod moves upwardly, the other end of the lever pulls downwardly the connection mechanism, and manual closing of the circuit breaker is locked; and the connection rod moves downwardly to be inserted in the test position opening or the working position opening, and manual closing can be realized for the circuit breaker. The anti-maloperation mechanism of the utility model is perfectly combined with the prior chain mechanism, and reliable protection on the human being and the equipment can be realized.
Description
Technical field
The utility model relates to circuit breaker, relates in particular to a kind of misoperation-proof mechanism for circuit breaker.
Background technology
In some the Circuit-Breaker Reformation projects, need to use the circuit breaker of New VD4 model to substitute the double-layer cabinet circuit breaker (as: VF-40D-BAZ of Mitsubishi, the 6H32KMD-W of Hitachi, the VK-10J25 of Toshiba) that some Japan produce.Because the design of the five anti-chain functions of standard VD4 is only applicable to middle ZS1 switch cubicle, while now wanting it and above-mentioned those nonstandard cabinets to coordinate, cannot realize anti-misoperation, cannot protect the safety of electric equipment and operator, bring great potential safety hazard.
Therefore, be necessary to design the misoperation-proof mechanism that a kind of and existing interlocking gear coordinates, thereby reach the reliably protecting to people and equipment.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, the misoperation-proof mechanism that provides a kind of and existing interlocking gear to coordinate, thus reach the reliably protecting to people and equipment.
The technical solution of the utility model provides a kind of misoperation-proof mechanism for circuit breaker, comprises junction panel and the first assembly;
On described junction panel, offer test position opening and working position opening;
Described the first assembly comprises connecting rod and lever, described connecting rod can move up and down, one end of described lever is connected with the upper end of described connecting rod, the other end of described lever is connected with the interlocking gear of described circuit breaker, while moving on described connecting rod, described connecting rod upwards pushes up one end of described lever, and the other end of described lever pulls described bindiny mechanism downwards, the closing by hand locking of described circuit breaker;
Described connecting rod moves down while being inserted in described test position opening or described working position opening, and described circuit breaker can be realized closing by hand.
Preferably, on described connecting rod, extend horizontally away driving lever, while moving on described driving lever, one end of described lever is upwards pushed up.
Preferably, described the first assembly also comprises driver plate, while moving on described driving lever, described driver plate is upwards pushed up, and described driver plate upwards pushes up one end of described lever again.
Preferably, described the first assembly also comprises regulating wheel, and described regulating wheel comprises support column and disk, and described support column is connected with described driver plate, an end in contact of described disk and described lever.
Preferably, described connecting rod extend horizontally away operating grip, and described operating grip extends out to outside the housing of described circuit breaker, upwards promote described operating grip control described connecting rod on move.
Preferably, on described connecting rod, be arranged with reseting pressuring spring.
Preferably, described misoperation-proof mechanism also comprises the second assembly, and described the second assembly comprises the plectrum being connected with described connecting rod, with the sensitive switch contacting with described plectrum, while moving on described plectrum, trigger described sensitive switch, the electric switch-on loop that described sensitive switch is controlled described circuit breaker disconnects.
Preferably, described the second assembly also comprises the drive link extending horizontally away from described connecting rod, and described drive link is connected with described plectrum.
Preferably, described plectrum comprises vertical plate and hang plate, and described vertical plate is connected with described drive link, and described hang plate contacts with described sensitive switch.
Preferably, described misoperation-proof mechanism also comprises the 3rd assembly, described the 3rd assembly comprises rotary unit and lock cell, on the combined floodgate bar of described interlocking gear, propose and drive the rotation of described rotary unit, described rotary unit drives described lock cell, described in described locking unit locks connecting rod make described connecting rod can not on move.
Preferably, described combined floodgate bar extends linkage pin, and described rotary unit comprises the first arm and the second arm, and described the first arm rides against on described linkage pin, and described the second arm contacts with described lock cell.
Preferably, described the 3rd assembly also comprises position-limiting unit, and described position-limiting unit comprises the first gag lever post rotating for limiting described the first arm, and the second gag lever post rotating for limiting described the second arm.
Preferably, described lock cell comprises securing rod and locking plate, described securing rod and described the second arm contact, and described locking plate is for moving space on connecting rod described in shutoff.
Preferably, on described securing rod, be arranged with buffer spring, two sliding pins are extended in the both sides of described securing rod, offer two sliding trays on described locking plate, and described sliding pin can slide in described sliding tray.
Preferably, described locking plate is S type.
Adopt after technique scheme, there is following beneficial effect: because the first assembly has been realized the closing by hand locking of circuit breaker, the second assembly has been realized the electric switch-on locking of circuit breaker, the 3rd assembly has been realized circuit breaker in test position or when working position closes a floodgate, can not closing by hand and the function of electric switch-on locking.Misoperation-proof mechanism of the present utility model and existing interlocking gear perfect adaptation, thus realize the reliably protecting to people and equipment.
Accompanying drawing explanation
Fig. 1 is the stereogram of the first assembly and interlocking gear in the utility model one embodiment;
Fig. 2 is the front view of the first assembly and interlocking gear in the utility model one embodiment;
Fig. 3 is the front view of the second assembly in the utility model one embodiment;
Fig. 4 is the stereogram of the 3rd assembly and interlocking gear in the utility model one embodiment;
Fig. 5 is the front view of the 3rd assembly and interlocking gear in the utility model one embodiment;
Fig. 6 is the stereogram after the assembling of misoperation-proof mechanism and interlocking gear in the utility model one embodiment;
Fig. 7 is the exploded view after the assembling of misoperation-proof mechanism and interlocking gear in the utility model one embodiment.
The Reference numeral table of comparisons:
1-first assembly 2-the second assembly 3-the 3rd assembly
4-junction panel 5-interlocking gear
11-connecting rod 12-lever 13-driving lever
14-driver plate 15-regulating wheel 16-operating grip
17-reseting pressuring spring 21-plectrum 22-sensitive switch
23-drive link 31-rotary unit 32-lock cell
33-position-limiting unit 41-test position opening 42-working position opening
51-combined floodgate bar 52-linkage pin 151-support column
152-disk 211-vertical plate 212-hang plate
311-first arm 312-the second arm 321-securing rod
322-locking plate 323-buffer spring 324-sliding pin
325-sliding tray 331-first gag lever post 332-the second gag lever post
Embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.
As shown in Figure 1-2, for the misoperation-proof mechanism of circuit breaker, comprise junction panel 4 and the first assembly 1; On junction panel 4, offer test position opening 41 and working position opening 42; The first assembly 1 comprises connecting rod 11 and lever 12, connecting rod 11 can move up and down, one end of lever 12 is connected with the upper end of connecting rod 11, the other end of lever 12 is connected with the interlocking gear of circuit breaker 5, while moving on connecting rod 11, connecting rod 11 upwards pushes up one end of lever 12, and the other end of lever 12 pulls down the mechanism 5 that is dynamically connected, the closing by hand locking of circuit breaker; Connecting rod 11 moves down while being inserted in test position opening 41 or working position opening 42, and circuit breaker can be realized closing by hand.
Junction panel 4 is to be fixed on the base of circuit breaker.Circuit breaker is (that is, while being less than working position or test position) in traveling process, and the first assembly 1 is with circuit breaker translation in the horizontal direction.Punctual with test position opening 41 or 42 pairs of working position openings when the connecting rod 11 of the first assembly 1, connecting rod 11 is inserted in test position opening 41 or working position opening 42, and now, the first assembly 1 can not act on interlocking gear 5, and circuit breaker can be realized closing by hand.
When connecting rod 11 is struck while moving up, connecting rod 11 departs from from test position opening 41 or working position opening 42.Connecting rod 11 upwards pushes up one end of lever 12, and the other end of lever 12 pulls down the mechanism 5 that is dynamically connected, the closing by hand locking of circuit breaker, and now circuit breaker can not be realized closing by hand.Circuit breaker is in traveling process, and connecting rod 11 is not aimed at test position opening 41 or working position opening 42, and circuit breaker remains on state that can not closing by hand, has guaranteed safety in utilization.
In the present embodiment, as shown in Figure 1-2, on connecting rod 11, extend horizontally away driving lever 13.The first assembly 1 also comprises driver plate 14, while moving on driving lever 13, driver plate 14 is upwards pushed up.The first assembly 1 also comprises regulating wheel 15, and regulating wheel 15 comprises support column 151 and disk 152, and support column 151 is connected with driver plate 14, an end in contact of disk 152 and lever 12.Connecting rod 11 extend horizontally away operating grip 16, and operating grip 16 extends out to outside the housing of circuit breaker, upwards promote operating grip 16 come control link 11 on move.
During operation, first operating personnel upwards push away operating grip 16, operating grip 16 drivening rods 11 move up, connecting rod 11 drives driving lever 13 to move up again, driving lever 13 promotes driver plate 14, driver plate 14 drives regulating wheel 15 to move up again, one end that the disk 152 of regulating wheel 15 promotes lever 12, lever 12 is along clockwise rotating in Fig. 1-2, the other end of lever 12 declines, and the other end of lever 12 pulls interlocking gear 5 to move down, and closing by hand button lost efficacy, circuit breaker can not be realized closing by hand, has guaranteed that circuit breaker can not close a floodgate in traveling process.
In the present embodiment, as shown in Figure 1-2, on connecting rod 11, be arranged with reseting pressuring spring 17.While carrying on connecting rod 11, the state of reseting pressuring spring 17 in compression.Again punctual with test position opening 41 or 42 pairs of working position openings when connecting rod 11, connecting rod 11, under the effect of reseting pressuring spring 17, moves down, and is inserted in test position opening 41 or working position opening 42.Operating grip 16 moves down with connecting rod 11 with driving lever 13; Driver plate 14 drops to initial position with regulating wheel 15 under the effect of self gravitation; Lever 12 is under the effect of gravity, and lever 12 is along counterclockwise rotating in figure, and one end of lever 12 declines, and the other end of lever 12 rises, and promotes interlocking gear 5 and rises, and the closing by hand switch of circuit breaker is resumed work.
In the present embodiment, as shown in Figure 3, misoperation-proof mechanism also comprises the second assembly 2, the second assembly 2 comprises the plectrum 21 being connected with connecting rod 11, with the sensitive switch 22 contacting with plectrum 21, while moving on plectrum 21, trigger sensitive switch 22, the electric switch-on loop that sensitive switch 22 is controlled circuit breaker disconnects.The second assembly 2 also comprises the drive link 23 extending horizontally away from connecting rod 11, and drive link 23 is connected with plectrum 21.Plectrum 21 comprises vertical plate 211 and hang plate 212, and vertical plate 211 is connected with drive link 23, and hang plate 212 contacts with sensitive switch 22.
When connecting rod 11 moves up, first drive drive link 23 also to move up, drive link 23 drives plectrum 21 to move up again, because plectrum 21 comprises hang plate 212, hang plate 212 is in the process moving up, touched sensitive switch 22, the electric switch-on loop that sensitive switch 22 is controlled circuit breaker disconnects, and realizes the inefficacy of electric switch-on.That is to say, when operating personnel stir operating grip 16 and upwards carry, realized the inefficacy of closing by hand and the electric switch-on of circuit breaker simultaneously.
Preferably, between connecting rod 11 and plectrum 21, can also be other drive disk assembly, plectrum 21 can also be other shape or structure.As long as can realize the technical scheme of above-mentioned functions, all belong to protection range of the present utility model.
In the present embodiment, as shown in Fig. 4-5, misoperation-proof mechanism also comprises the 3rd assembly 3, the 3rd assembly 3 comprises rotary unit 31 and lock cell 32, on the combined floodgate bar 51 of interlocking gear 5, propose the also rotation of driven rotary unit 31, rotary unit 31 drives lock cells 32, lock cell 32 lock links 11 make connecting rod 11 can not on move.Combined floodgate bar 51 extends linkage pin 52, and rotary unit 31 comprises that the first arm 311 and the second arm 312, the first arms 311 ride against on linkage pin 52, and the second arm 312 contacts with lock cell 32.Lock cell 32 comprises securing rod 321 and locking plate 322, and securing rod 321 contacts with the second arm 312, and locking plate 322 is for moving space on shutoff connecting rod 11.
After breaker closing, on the combined floodgate bar 51 of linkage structure 5, carry, on combined floodgate bar 51, extended linkage pin 52 is with carrying on combined floodgate bar 51.Particularly, combined floodgate bar 51 and the hinged (not shown) of another rod member, linkage pin 52 is positioned at hinged place, and one end of another rod member and combined floodgate bar 51 are hinged, and the other end is fixedly connected on circuit breaker and can rotates.In the process of carrying on linkage pin 52, drive the first arm 311 to rotate along the clockwise direction of Fig. 4-5, the second arm 312 also rotates along clockwise direction, the second arm 312 promotes securing rod 321, securing rod 321 promotes locking plate 322 again, locking plate 322 along continuous straight runs move until shutoff connecting rod 11 on move space, thereby realize after circuit breaker closes a floodgate in working position or test position, can not be drawn out of.
Preferably, lock cell 32 can only have securing rod, or locking plate, or the Lock Part of other structures.Lock cell 32, under the promotion of rotary unit 31, moves to moving space on connecting rod 11, on final shutoff connecting rod 11, moves space.
Preferably, locking plate 322 is S type.
In the present embodiment, as shown in Fig. 4-5, the 3rd assembly 3 also comprises position-limiting unit 33, and position-limiting unit 33 comprises the first gag lever post 331 rotating for limiting the first arm 311 clockwise directions, and the second gag lever post 332 rotating counterclockwise for limiting the second arm 312.The first gag lever post 331 and the second gag lever post 332 are excessive for preventing the angle of rotation of rotary unit.
In the present embodiment, as shown in Figure 4, be arranged with buffer spring 323 on securing rod 321, two sliding pins 324 are extended in the both sides of securing rod 321, offer two sliding trays 325 on locking plate 322, and sliding pin 324 can slide in sliding tray 325.When breaking down, connecting rod 11 on move in space, and the bar 51 that simultaneously closes a floodgate is carried on also, now securing rod 321 moves space and moves on connecting rod 11, after the end of locking plate 322 and connecting rod 11 hold out against, can not continue mobile again.Now; sliding pin 324 slides in sliding tray 324; locked bar 321 compressions of buffer spring 323; avoided locking plate 322 to continue to move forward; thereby avoided locking plate 322 by conquassation; and avoided the miscellaneous part of interlocking gear 5 and locking plate 322 peripheries damaged, played the effect of buffer protection.In addition, buffer spring can also play, the effect of the closing speed while avoiding affecting normal operation of circuit breaker and closing rebound (closing speed of interlocking gear is 0.85-1.2m/s, and closing rebound is≤2.0c).
Referring to Fig. 6-7, Fig. 6-7 are the structural representation after the assembling of misoperation-proof mechanism and interlocking gear in the present embodiment.After misoperation-proof mechanism and interlocking gear 5 assemblings, only have operating grip 16 to be exposed to outside.
The utility model, because the first assembly has been realized the closing by hand locking of circuit breaker, the second assembly has been realized the electric switch-on locking of circuit breaker, and the 3rd assembly has been realized circuit breaker in test position or when working position closes a floodgate, can not closing by hand and the function of electric switch-on locking.Misoperation-proof mechanism of the present utility model and existing interlocking gear perfect adaptation, thus realize the reliably protecting to people and equipment.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that for the person of ordinary skill of the art, on the basis of the utility model principle, can also make some other modification, also should be considered as protection range of the present utility model.
Claims (14)
1. for a misoperation-proof mechanism for circuit breaker, it is characterized in that, comprise junction panel (4) and the first assembly (1);
On described junction panel (4), offer test position opening (41) and working position opening (42);
Described the first assembly (1) comprises connecting rod (11) and lever (12), described connecting rod (11) can move up and down, one end of described lever (12) is connected with the upper end of described connecting rod (11), the other end of described lever (12) is connected with the interlocking gear (5) of described circuit breaker, while moving on described connecting rod (11), described connecting rod (11) upwards pushes up one end of described lever (12), the other end of described lever (12) pulls described bindiny mechanism (5) downwards, the closing by hand locking of described circuit breaker;
Described connecting rod (11) moves down while being inserted in described test position opening (41) or described working position opening (42), and described circuit breaker can be realized closing by hand.
2. misoperation-proof mechanism according to claim 1, is characterized in that, extend horizontally away driving lever (13) on described connecting rod (11), while moving on described driving lever (13), one end of described lever (12) is upwards pushed up.
3. misoperation-proof mechanism according to claim 2, it is characterized in that, described the first assembly (1) also comprises driver plate (14), while moving on described driving lever (13), described driver plate (14) is upwards pushed up, and described driver plate (14) upwards pushes up one end of described lever (12) again.
4. misoperation-proof mechanism according to claim 3, it is characterized in that, described the first assembly (1) also comprises regulating wheel (15), described regulating wheel (15) comprises support column (151) and disk (152), described support column (151) is connected with described driver plate (14), an end in contact of described disk (152) and described lever (12).
5. misoperation-proof mechanism according to claim 1, it is characterized in that, described connecting rod (11) extend horizontally away operating grip (16), described operating grip (16) extends out to outside the housing of described circuit breaker, upwards promote described operating grip (16) control described connecting rod (11) on move.
6. misoperation-proof mechanism according to claim 1, is characterized in that, is arranged with reseting pressuring spring (17) on described connecting rod (11).
7. misoperation-proof mechanism according to claim 1, it is characterized in that, described misoperation-proof mechanism also comprises the second assembly (2), described the second assembly (2) comprises the plectrum (21) being connected with described connecting rod (11), with the sensitive switch (22) contacting with described plectrum (21), while moving on described plectrum (21), trigger described sensitive switch (22), the electric switch-on loop that described sensitive switch (22) is controlled described circuit breaker disconnects.
8. misoperation-proof mechanism according to claim 7, it is characterized in that, described the second assembly (2) also comprises the drive link (23) extending horizontally away from described connecting rod (11), and described drive link (23) is connected with described plectrum (21).
9. misoperation-proof mechanism according to claim 8, it is characterized in that, described plectrum (21) comprises vertical plate (211) and hang plate (212), described vertical plate (211) is connected with described drive link (23), and described hang plate (212) contacts with described sensitive switch (22).
10. according to the misoperation-proof mechanism described in claim 1 or 7, it is characterized in that, described misoperation-proof mechanism also comprises the 3rd assembly (3), described the 3rd assembly (3) comprises rotary unit (31) and lock cell (32), on the combined floodgate bar (51) of described interlocking gear (5), propose and drive the rotation of described rotary unit (31), described rotary unit (31) drives described lock cell (32), described lock cell (32) lock described connecting rod (11) make described connecting rod (11) can not on move.
11. misoperation-proof mechanisms according to claim 10, it is characterized in that, described combined floodgate bar (51) extends linkage pin (52), described rotary unit (31) comprises the first arm (311) and the second arm (312), it is upper that described the first arm (311) rides against described linkage pin (52), and described the second arm (312) contacts with described lock cell (32).
12. misoperation-proof mechanisms according to claim 11, it is characterized in that, described the 3rd assembly (3) also comprises position-limiting unit (33), described position-limiting unit (33) comprises the first gag lever post (331) rotating for limiting described the first arm (311), and the second gag lever post (332) rotating for limiting described the second arm (312).
13. misoperation-proof mechanisms according to claim 11, it is characterized in that, described lock cell comprises securing rod (321) and locking plate (322), described securing rod (321) contacts with described the second arm (312), and described locking plate (322) is for moving space on connecting rod described in shutoff (11).
14. misoperation-proof mechanisms according to claim 13, it is characterized in that, on described securing rod (321), be arranged with buffer spring (323), two sliding pins (324) are extended in the both sides of described securing rod (321), on described locking plate (322), offer two sliding trays (325), described sliding pin (324) can slide in described sliding tray (325).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420197315.5U CN203859008U (en) | 2014-04-22 | 2014-04-22 | Anti-maloperation mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420197315.5U CN203859008U (en) | 2014-04-22 | 2014-04-22 | Anti-maloperation mechanism for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859008U true CN203859008U (en) | 2014-10-01 |
Family
ID=51608850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420197315.5U Expired - Lifetime CN203859008U (en) | 2014-04-22 | 2014-04-22 | Anti-maloperation mechanism for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140814A (en) * | 2015-07-24 | 2015-12-09 | 宁夏力成电气集团有限公司 | Operating handle independently managed by high-voltage switch cabinet |
-
2014
- 2014-04-22 CN CN201420197315.5U patent/CN203859008U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140814A (en) * | 2015-07-24 | 2015-12-09 | 宁夏力成电气集团有限公司 | Operating handle independently managed by high-voltage switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180528 Address after: Baden, Switzerland Patentee after: ABB TECHNOLOGY LTD. Address before: Zurich Patentee before: ABB T & D Technology Ltd. |
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| TR01 | Transfer of patent right |