CN104767144B - GFC board breaker handcart separating brake interlock - Google Patents
GFC board breaker handcart separating brake interlock Download PDFInfo
- Publication number
- CN104767144B CN104767144B CN201510180174.5A CN201510180174A CN104767144B CN 104767144 B CN104767144 B CN 104767144B CN 201510180174 A CN201510180174 A CN 201510180174A CN 104767144 B CN104767144 B CN 104767144B
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- CN
- China
- Prior art keywords
- connecting rod
- separating brake
- chopper
- pivoted housing
- inner sleeve
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
Abstract
The invention discloses a kind of GFC board breaker handcart separating brake interlock, including crank, pivoted housing, guide collar, connecting rod, vertical pivot and rotating shaft, interlocked with breaker open operation bent plate by crank, during the pull-out chopper that has a power failure, this interlocking makes circuit breaker cart follow first separating brake power-off, and then connecting lever rotationally disengages guide rail, there is time difference between power-off and connecting lever setting in motion, thus chopper could move after ensureing the complete separating brake of chopper, prevent under electriferous state, pulling out chopper by mistake and cause danger.The present invention is mechanical interlocking, simple to operate, is not limited by secondary circuit, does not change former handcart structure, makes simple, easily operates, and security performance is high；Just can shake into shaking out cabinet after breaker open operation, it is ensured that the safety of Maintenance and Repair.
Description
Technical field
The present invention relates to the interlock of a kind of chopper.
Background technology
When in GFC switch cubicle, circuit breaker cart carries out repair and maintenance, there is the danger pulling out switch cubicle under combined floodgate electriferous state in chopper, in order to prevent charged maloperation, circuit breaker cart is installed separating brake interlock, circuit breaker cart is interlocked with breaker open operation bent plate by crank, with support personnel and the safety of equipment.
Former GFC switch cabinet handcart is old-fashioned electromagnetic mechanism oil-minimum breaker, along with the existing oil-minimum breaker of the development of primary cut-out is slowly replaced by vacuum circuit breaker, owing to the little interlocking of vacuum circuit breaker volume typically uses electric interlock, electric interlock is confined to secondary circuit power supply, when secondary side has a power failure, interlocking cannot realize becoming, in addition installing space is subject to certain restrictions, and assembles inconvenient, therefore chain safety, reliability are the highest.
Summary of the invention
It is an object of the invention to provide a kind of safe and reliable, easy for installation GFC board breaker handcart separating brake interlock, its technical scheme taked is:
nullRotating shaft transverse horizontal is arranged，Two ends are each passed through the left and right sidewall of frame around，And it is respectively fixed with the connecting lever erectting setting，Guide collar is the semicircle platy structure that circular arc highlights forward，Gathering sill is along the circumferential direction had in guide collar，The mid portion of gathering sill is oblong aperture shape，Top and the bottom are circle hole shape，And the groove width of top and the bottom is more than the groove width of mid portion，The upper and lower side of guide collar is fixed in frame，Rotating shaft is through the circular arc space of guide collar，Pivoted housing is the inverse-T-shaped structure being made up of horizontal cylinder and vertical cylinder，The bottom surface and the end face that are positioned at the horizontal cylinder bottom pivoted housing are plane，Its front and back sides is arc surface，Laterally have rectangular indentation on the right-hand member antetheca of cylinder，Rotating shaft passes horizontal cylinder，It is fixed with alignment pin on the front side wall of rotating shaft，Alignment pin is positioned at breach，The vertical cylinder being positioned at pivoted housing top is provided with inner sleeve，Inside put and be cased with spring，The circular nosing being positioned at inner sleeve top may be stuck on the medial wall of vertical cylinder，Spring Card is connected in circular nosing and vertical cylinder between diapire，The top of inner sleeve can be embedded in gathering sill，The gathering sill grafting athwart of crank lower end puts in being fixed on，The installation bent plate rolled over before being fixed with right flank in frame，The front end of connecting rod is hinged on installation bent plate，The separating brake bent plate rolled over before being fixed with end face in cabinet，The lower end of vertical pivot is located at above separating brake bent plate，Its upper end is hinged through the rear end of cabinet end face with connecting rod，It is fixed with shotpin in the upper portion side wall of connecting rod，Back-moving spring it is cased with on connecting rod，Back-moving spring is connected between shotpin and cabinet end face；When chopper is in "on" position, spring and back-moving spring are in stretched condition, and the circular nosing of inner sleeve is stuck in the circular hole of gathering sill top, and the planar base surface of the horizontal cylinder of pivoted housing is attached on the roof of connecting rod, alignment pin is positioned on the diapire of breach, and the lower end of connecting lever is stuck on cabinet guide rail；When chopper is at gate-dividing state, spring is in stretched condition, the circular nosing of inner sleeve is stuck in the circular hole of gathering sill bottom, the roof of the arc leading flank top pressure connecting rod of the horizontal cylinder of pivoted housing, the rear end of connecting rod has a down dip, and back-moving spring is in compressive state, and the lower end of vertical pivot moves down the end face of top pressure separating brake bent plate, alignment pin is positioned on the roof of breach, and the lower end of connecting lever and cabinet guide rail depart from.
The present invention is interlocked with breaker open operation bent plate by crank, and when chopper crank action, chopper directly trips, and also can shake out chopper when emergency case secondary side has a power failure, thus prevent hot line job, it is ensured that use safety.During the pull-out chopper that has a power failure, this interlocking makes circuit breaker cart follow first separating brake power-off, then connecting lever rotationally disengages guide rail, time difference is there is between power-off and connecting lever setting in motion, thus chopper could move after ensureing the complete separating brake of chopper, prevent under electriferous state, pulling out chopper by mistake and cause danger.The present invention is mechanical interlocking, simple to operate, is not limited by secondary circuit, does not change former handcart structure, makes simple, easily operates, and security performance is high；Just can shake into shaking out cabinet after breaker open operation, it is ensured that the safety of Maintenance and Repair.
Accompanying drawing explanation
Fig. 1 is the structural representation when chopper is in "on" position；
Fig. 2 is the right view of Fig. 1；
Fig. 3 when chopper is at gate-dividing state right view；
Fig. 4 is pivoted housing and the schematic diagram of shaft portion when chopper is in "on" position；
Fig. 5 is the right view of Fig. 4；
Fig. 6 is pivoted housing and the schematic diagram of shaft portion when chopper is at gate-dividing state；
Fig. 7 is the right view of Fig. 6；
Fig. 8 is crank and the sectional view of pivoted housing part.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings.
As Figure 1-3, rotating shaft 15 transverse horizontal is arranged, two ends are each passed through the left and right sidewall of frame 16 around, and it is respectively fixed with the connecting lever 11 erectting setting, the semicircle platy structure that guide collar 3 highlights forward for circular arc, guide collar 3 along the circumferential direction has gathering sill 17, the mid portion of gathering sill 17 is oblong aperture shape, top and the bottom are circle hole shape, and the groove width of top and the bottom is more than the groove width of mid portion, and the upper and lower side of guide collar 3 is fixed in frame 16.The installation bent plate 9 rolled over before being fixed with right flank in frame 16, the front end of connecting rod 4 is hinged on installation bent plate 9 by pivot pin 10, the separating brake bent plate 8 rolled over before being fixed with end face in cabinet 19, the lower end of vertical pivot 7 is located at above separating brake bent plate 8, its upper end is hinged through the rear end of cabinet 19 end face with connecting rod 4, shotpin 5 it is fixed with in the upper portion side wall of connecting rod 4, back-moving spring 6 it is cased with on connecting rod 4, back-moving spring 6 is connected between shotpin 5 and cabinet 19 end face, can be according to the regulation movement travel of shotpin 5 installation site and the decrement of back-moving spring 6.
nullAs Figure 4-8，Rotating shaft 15 is through the circular arc space of guide collar 3，Pivoted housing 2 is the inverse-T-shaped structure being made up of horizontal cylinder and vertical cylinder，The bottom surface and the end face that are positioned at the horizontal cylinder bottom pivoted housing 2 are plane，Its front and back sides is arc surface，Laterally have rectangular indentation 18 on the right-hand member antetheca of cylinder，Rotating shaft 15 is through horizontal cylinder，Alignment pin 12 it is fixed with on the front side wall of rotating shaft 15，Alignment pin 12 is positioned at breach 18，The vertical cylinder being positioned at pivoted housing 2 top is provided with inner sleeve 13，Spring 14 it is cased with in inner sleeve 13，The circular nosing being positioned at inner sleeve 13 top may be stuck on the medial wall of vertical cylinder，Spring 14 is connected in circular nosing and vertical cylinder between diapire，The top of inner sleeve 13 can be embedded in gathering sill 17，Gathering sill 17 grafting athwart of crank 1 lower end is fixed in inner sleeve 13.
When chopper is in "on" position, spring 14 and back-moving spring 6 are in stretched condition, the circular nosing of inner sleeve 13 is stuck in the circular hole of gathering sill 17 top, prevent 15 motion the most around the shaft under self gravitation of crank 1 and pivoted housing 2, the planar base surface of the horizontal cylinder of pivoted housing 2 is attached on the roof of connecting rod 4, alignment pin 12 is positioned on the diapire of breach 18, and the lower end of connecting lever 11 is stuck on cabinet guide rail.When needs are from cabinet pull-out chopper, crank 1 is pressed down along pivoted housing 2, now pressing spring 14 under the circular nosing of inner sleeve 13, inner sleeve 13 disengages guide collar 3 top circular hole, then crank 1 need to rotate counterclockwise from top to bottom along gathering sill 17, when this process starts, pivoted housing 2 first follows crank 1 to rotate one section of idle stroke, now connecting lever 11 keeps original state motionless (chopper holding operating position is motionless), become arc leading flank contact with connecting rod 4 when the horizontal cylinder of pivoted housing 2 is contacted with connecting rod 4 from original planar base surface, and the roof of top pressure connecting rod 4, connecting rod 4 is made to do circular motion clockwise around pivot pin 10, the rear end making connecting rod 4 has a down dip, thus drive vertical pivot 7 vertical downward movement top voltage breaker separating brake bent plate 8, make breaker open operation power-off, now back-moving spring 6 is in compressive state.Drop-down then as crank 1, after the roof of breach 18 of pivoted housing 2 contacts top pressure with the alignment pin 12 in rotating shaft 15, rotating shaft 15 beginning is synchronize with pivoted housing 2 to rotate counterclockwise, thus drives connecting lever 11 to deviate from cabinet guide rail, thus safety pulls out handcart.When crank 1 is pulled down to the bottom of gathering sill 17, decontrol crank 1, move in inner sleeve 13 under the elastic force of spring 14 so that it is circular nosing is stuck in the circular hole of gathering sill 17 bottom, is now in chopper at gate-dividing state.
When chopper is to be closed a floodgate, crank 1 is pressed down along pivoted housing 2, now pressing spring 14 under the circular nosing of inner sleeve 13, inner sleeve 13 disengages guide collar 3 bottom circular hole, then crank 1 need to be along gathering sill 17 pivoted housing 2 and then crank 1 rotary motion clockwise from top to bottom, gradually become planar base surface contact with connecting rod 4 when the horizontal cylinder of pivoted housing 2 is contacted with connecting rod 4 by arc leading flank, counterclockwise circular motion is done around pivot pin 10 under lever principle, and then under the elastic force of back-moving spring 6, drive vertical pivot 7 upward vertical movement, breaker open operation bent plate 8 resets under breaker spring, handcart can be electronic, closing by hand, thus ensure that chopper arrives specific bit and postpones ability safety closing.Cannot be introduced into cabinet owing to connecting lever 11 does not mate with cabinet guide rail when now advancing chopper, prevent pushing cabinet under "on" position and cause danger.Along with crank 1 continues to pull up, after the diapire of breach 18 of pivoted housing 2 contacts top pressure with the alignment pin 12 in rotating shaft 15, rotating shaft 15 starts Tong Bu to turn clockwise with pivoted housing 2, thus drives connecting lever 11 to block cabinet guide rail, so that handcart enters safely cabinet.
Claims (1)
- null1. a GFC board breaker handcart separating brake interlock，Including crank (1)、Pivoted housing (2)、Guide collar (3)、Connecting rod (4)、Vertical pivot (7) and rotating shaft (15)，It is characterized in that: rotating shaft (15) transverse horizontal is arranged，Two ends are each passed through the left and right sidewall of frame (16) around，And it is respectively fixed with the connecting lever (11) erectting setting，Guide collar (3) is the semicircle platy structure that circular arc highlights forward，Gathering sill (17) is along the circumferential direction had in guide collar (3)，The mid portion of gathering sill (17) is oblong aperture shape，Top and the bottom are circle hole shape，And the groove width of top and the bottom is more than the groove width of mid portion，The upper and lower side of guide collar (3) is fixed in frame (16)，Rotating shaft (15) is through the circular arc space of guide collar (3)，Pivoted housing (2) is the inverse-T-shaped structure being made up of horizontal cylinder and vertical cylinder，The bottom surface and the end face that are positioned at the horizontal cylinder of pivoted housing (2) bottom are plane，Its front and back sides is arc surface，Laterally have rectangular indentation (18) on the right-hand member antetheca of cylinder，Rotating shaft (15) passes horizontal cylinder，Alignment pin (12) it is fixed with on the front side wall of rotating shaft (15)，Alignment pin (12) is positioned at breach (18)，The vertical cylinder being positioned at pivoted housing (2) top is provided with inner sleeve (13)，Spring (14) it is cased with in inner sleeve (13)，The circular nosing being positioned at inner sleeve (13) top may be stuck on the medial wall of vertical cylinder，Spring (14) is connected in circular nosing and vertical cylinder between diapire，The top of inner sleeve (13) can be embedded in gathering sill (17)，Gathering sill athwart (17) grafting of crank (1) lower end is fixed in inner sleeve (13)，The installation bent plate (9) rolled over before being fixed with right flank in frame (16)，The front end of connecting rod (4) is hinged in installation bent plate (9) by pivot pin (10)，The separating brake bent plate (8) rolled over before being fixed with end face in cabinet (19)，The lower end of vertical pivot (7) is located at separating brake bent plate (8) top，Its upper end is hinged through the rear end of cabinet (19) end face with connecting rod (4)，Shotpin (5) it is fixed with in the upper portion side wall of connecting rod (4)，Back-moving spring (6) it is cased with on connecting rod (4)，Back-moving spring (6) is connected between shotpin (5) and cabinet (19) end face；When chopper is in "on" position, spring (14) and back-moving spring (6) are in stretched condition, the circular nosing of inner sleeve (13) is stuck in the circular hole of gathering sill (17) top, the planar base surface of the horizontal cylinder of pivoted housing (2) is attached on the roof of connecting rod (4), alignment pin (12) is positioned on the diapire of breach (18), and the lower end of connecting lever (11) is stuck on cabinet guide rail；When chopper is at gate-dividing state, spring (14) is in stretched condition, the circular nosing of inner sleeve (13) is stuck in the circular hole of gathering sill (17) bottom, the roof on arc leading flank top pressure connecting rod (4) of the horizontal cylinder of pivoted housing (2), the rear end of connecting rod (4) has a down dip, and back-moving spring (6) is in compressive state, and the lower end of vertical pivot (7) moves down the end face on top pressure separating brake bent plate (8), alignment pin (12) is positioned on the roof of breach (18), and the lower end of connecting lever (11) and cabinet guide rail depart from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180174.5A CN104767144B (en) | 2015-04-16 | 2015-04-16 | GFC board breaker handcart separating brake interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180174.5A CN104767144B (en) | 2015-04-16 | 2015-04-16 | GFC board breaker handcart separating brake interlock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104767144A CN104767144A (en) | 2015-07-08 |
| CN104767144B true CN104767144B (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510180174.5A Active CN104767144B (en) | 2015-04-16 | 2015-04-16 | GFC board breaker handcart separating brake interlock |
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| Country | Link |
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| CN (1) | CN104767144B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244920B (en) * | 2018-09-30 | 2024-03-15 | 山东泰开真空开关有限公司 | Mechanical interlocking device for switch cabinet vacuum circuit breaker handcart |
| CN113284749B (en) * | 2021-05-19 | 2022-11-29 | 广东电网有限责任公司 | Device for replacing brake separating buffer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202737369U (en) * | 2012-05-22 | 2013-02-13 | 荣成市供电公司 | Breaker handcart interlocking device |
| CN103337802A (en) * | 2013-07-19 | 2013-10-02 | 国家电网公司 | Interlocking device arranged in switch cabinet and used for preventing trolley from being pushed in mistakenly after switching-on of earthing switch |
| CN203351524U (en) * | 2013-07-05 | 2013-12-18 | 河南森源电气股份有限公司 | Breaker emergency opening device |
| CN204497645U (en) * | 2015-04-16 | 2015-07-22 | 山东泰开真空开关有限公司 | GFC board breaker handcart separating brake interlock |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4586304B2 (en) * | 2001-06-11 | 2010-11-24 | 株式会社安川電機 | Locking device for drawer type electrical equipment unit |
| JP4893375B2 (en) * | 2007-03-06 | 2012-03-07 | 富士電機株式会社 | Closed switchboard |
| JP4965359B2 (en) * | 2007-06-27 | 2012-07-04 | 富士電機株式会社 | Interlock device |
-
2015
- 2015-04-16 CN CN201510180174.5A patent/CN104767144B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202737369U (en) * | 2012-05-22 | 2013-02-13 | 荣成市供电公司 | Breaker handcart interlocking device |
| CN203351524U (en) * | 2013-07-05 | 2013-12-18 | 河南森源电气股份有限公司 | Breaker emergency opening device |
| CN103337802A (en) * | 2013-07-19 | 2013-10-02 | 国家电网公司 | Interlocking device arranged in switch cabinet and used for preventing trolley from being pushed in mistakenly after switching-on of earthing switch |
| CN204497645U (en) * | 2015-04-16 | 2015-07-22 | 山东泰开真空开关有限公司 | GFC board breaker handcart separating brake interlock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104767144A (en) | 2015-07-08 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 271000 Longtan South Road, high tech Zone, Tai'an City, Shandong Province Patentee after: SHANDONG TAIKAI VACUUM SWITCH Co.,Ltd. Address before: 271000 No. 5 Chuangye street, East District, high tech Zone, Tai'an City, Shandong Province Patentee before: SHANDONG TAIKAI VACUUM SWITCH Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |