CN106252147B - A kind of locking system of vacuum circuit breaker - Google Patents
A kind of locking system of vacuum circuit breaker Download PDFInfo
- Publication number
- CN106252147B CN106252147B CN201610690718.7A CN201610690718A CN106252147B CN 106252147 B CN106252147 B CN 106252147B CN 201610690718 A CN201610690718 A CN 201610690718A CN 106252147 B CN106252147 B CN 106252147B
- Authority
- CN
- China
- Prior art keywords
- bearing
- guide rail
- pressing plate
- rocking bar
- circuit breaker
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/285—Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool
Landscapes
- Trip Switchboards (AREA)
Abstract
The present invention provides a kind of locking system of vacuum circuit breaker, belongs to electrical equipment technical field.It includes vacuum circuit breaker, limitation locking component, vacuum circuit breaker is arranged on breaker bearing, breaker bearing, which can slide back and forth, to be arranged on bearing guide rail, the interlocking pressing plate of limitation locking component, which can slide up and down, to be arranged on pressing plate guide rail, mortise lock is positioned at the side of interlocking pressing plate, the lower end of connecting rod is hinged on the upper end of interlocking pressing plate, the upper end of connecting rod and one end of swing rod are hinged, the other end and rocking bar of swing rod are hinged, spacing gantry pillars is hinged on rocking bar, one end of limit bolt is hinged on spacing gantry pillars, the other end of limit bolt may pass through stopper slot, torsion spring is concentric to be arranged on rocking bar, one end of torsion spring and the fitting of torsion spring catch, the other end and bearing the guide rail fitting of torsion spring.The present invention can be spacing by the moving contact progress locking of vacuum circuit breaker, prevents moving contact and static contact from contacting, not only ensure that the safety of equipment, and good reliability.
Description
Technical field
The present invention relates to electrical equipment technical field, more particularly to a kind of locking system of vacuum circuit breaker.
Background technology
Power equipment mainly includes with generating equipment and the major class of power supply unit two, and generating equipment is mainly station boiler, steamed
Steam turbine, gas turbine, the hydraulic turbine, generator, transformer etc., power supply unit are mainly the power transmission line of various voltage class
Road, transformer, contactor etc..High-voltage Incoming Cabinet is a kind of common power equipment.High-voltage Incoming Cabinet is mainly disjunction, closure
Circuit between power network and user, there are relay protection function and instruction electrical equipment;For protecting customer power supply circuit and electrical equipment,
Major break down, local protection occurs in circuit or equipment.During failure, accident equipment or circuit are departed from electric network source by it in time.Very
Part common in High-voltage Incoming Cabinet, vacuum circuit breaker during empty breaker " because after its arc-extinguishing medium and arc extinguishing contact gap it is exhausted
Edge medium is all high vacuum and gained the name;It has small volume, it is in light weight, suitable for frequent operation, arc extinguishing do not have to maintenance the advantages of,
Apply in power distribution network and more popularize.Vacuum circuit breaker is 3~10kV, the indoor distribution in 50Hz three-phase alternating current systems,
It is available for protection and control in industrial and mining enterprises, power plant, transformer station as electric equipment to be used, especially suitable for requiring oil-free
Change, the field of employment of few maintenance and frequent operation, breaker be configurable in middle-placed switch cabinet, double-layer cabinet, fixed cabinet as control and
High voltage electric equipment is protected to use.Self power generation cabinet is as stand-by power supply device, when self power generation cabinet works, the vacuum in High-voltage Incoming Cabinet
Breaker needs to ensure locking, ensures the safety of equipment.
The content of the invention
It is an object of the invention to provide a kind of locking system of vacuum circuit breaker, the moving contact of vacuum circuit breaker is locked
It is only spacing, prevent moving contact and static contact from contacting, not only ensure that the safety of equipment, and good reliability.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of locking system of vacuum circuit breaker, it includes vacuum circuit breaker, moving contact, contact box, static contact, breaker
Bearing, bearing guide rail, limitation locking component, the vacuum circuit breaker are arranged on breaker bearing, and the breaker bearing can
Slide back and forth and be arranged on bearing guide rail, the bearing guide rail is fixed in the cabinet of High-voltage Incoming Cabinet, the moving contact installation
On vacuum circuit breaker, the contact box is fixed in the cabinet of High-voltage Incoming Cabinet, and the static contact is arranged on contact box, high
Press and be provided with mortise lock in the cabinet door of incoming line cabinet, notch, the side of the bearing guide rail are additionally provided with the cabinet door of High-voltage Incoming Cabinet
Limitation locking component is provided with, the limitation locking component includes interlocking pressing plate, pressing plate guide rail, connecting rod, swing rod, rocking bar, rocking bar
Fulcrum bearing, the first support plate, the second support plate, spacing gantry pillars, limit bolt, torsion spring, the pressing plate guide rail are vertically arranged
In the cabinet door of High-voltage Incoming Cabinet, the interlocking pressing plate, which can slide up and down, to be arranged on pressing plate guide rail, is set on the interlocking pressing plate
Pressure tongue is equipped with, the pressure tongue stretches out the notch of cabinet door, and the side of the interlocking pressing plate is additionally provided with locking hole, and the mortise lock is located at
The side of pressing plate is interlocked, locking head is set on the mortise lock, the rocking bar is rotatably provided in rocking bar fulcrum bearing, the rocking bar
Fulcrum bearing is fixed on bearing guide rail side, and the lower end of the connecting rod is hinged on the upper end of interlocking pressing plate, the upper end of the connecting rod and
One end of swing rod is hinged, and the other end and rocking bar of the swing rod are hinged, and first support plate and the second support plate are fixed on and shaken
On bar, the spacing gantry pillars is hinged on rocking bar, and between the first support plate and the second support plate, it is described spacing
One end of latch is hinged on spacing gantry pillars, is provided with stopper slot on the bearing guide rail, the limit bolt it is another
End may pass through stopper slot, and torsion spring catch is provided with the second support plate, and the torsion spring is concentric to be arranged on rocking bar, and the one of torsion spring
End and the fitting of torsion spring catch, the other end and bearing the guide rail fitting of the torsion spring.
Further, it is provided with key on the mortise lock.
Compared to the prior art the present invention, has advantages below and effect:High-voltage Incoming Cabinet insertion key rotates, on mortise lock
Locking head retract, release the locking to interlocking pressing plate, the rocking bar self-return under the drive of torsion spring, spacing gantry pillars drives
Limit bolt releases drives the interlocking upward resilience of pressing plate to the spacing of breaker bearing shift position, rocking bar by swing rod, connecting rod,
Vacuum circuit breaker moves under the drive of breaker bearing to contact box, and moving contact and static contact contact, High-voltage Incoming Cabinet are normal
Work.When high pressure inlet wire is unstable or mains-supplied is interrupted, interlocking pressing plate is by pressing sublingual pressure, while key rotates, lock
Only head insertion locking hole is to interlocking the locking of pressing plate, while drives rocking bar to rotate by connecting rod and swing rod, spacing gantry pillars band
Dynamic limit bolt is spacing to the progress of breaker bearing shift position, prevents moving contact and static contact from contacting.Set on interlocking pressing plate
There is pressure tongue, pressure tongue stretches out the notch of cabinet door, is easy to manager works.The present invention can be locked the moving contact of vacuum circuit breaker
It is only spacing, prevent moving contact and static contact from contacting, not only ensure that the safety of equipment, and good reliability.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of limitation locking component of the present invention.
Fig. 3 is the top view of limitation locking component of the present invention.
Fig. 4 is Fig. 3 of the present invention partial enlarged drawing.
In figure:1. vacuum circuit breaker, 2. moving contacts, 3. contact boxs, 4. static contacts, 5. breaker bearings, 6. bearing guide rails,
7. limitation locking component, 8. mortise locks, 9. notches, 10. interlocking pressing plates, 11. pressing plate guide rails, 12. connecting rods, 13. swing rods, 14. rocking bars,
15. rocking bar fulcrum bearing, 16. first support plates, 17. second support plates, 18. spacing gantry pillars, 19. limit bolts, 20. turn round
Spring, 21. pressure tongues, 22. locking holes, 23. locking heads, 24. stopper slots, 25. torsion spring catch, 26. keys.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following examples are to this hair
Bright explanation and the invention is not limited in following examples.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of locking system of vacuum circuit breaker, it includes vacuum circuit breaker 1, moved
Contact 2, contact box 3, static contact 4, breaker bearing 5, bearing guide rail 6, limitation locking component 7, the vacuum circuit breaker 1 are installed
On breaker bearing 5, the breaker bearing 5, which can slide back and forth, to be arranged on bearing guide rail 6, and the bearing guide rail 6 is fixed
In the cabinet of High-voltage Incoming Cabinet, the moving contact 2 is arranged on vacuum circuit breaker 1, and the contact box 3 is fixed on high pressure inlet wire
In the cabinet of cabinet, the static contact 4 is arranged on contact box 3.Mortise lock 8, high pressure inlet wire are provided with the cabinet door of High-voltage Incoming Cabinet
Notch 9 is additionally provided with the cabinet door of cabinet.The side of the bearing guide rail 6 is provided with limitation locking component 7, the limitation locking group
Part 7 include interlocking pressing plate 10, pressing plate guide rail 11, connecting rod 12, swing rod 13, rocking bar 14, rocking bar fulcrum bearing 15, the first support plate 16,
Second support plate 17, spacing gantry pillars 18, limit bolt 19, torsion spring 20, the pressing plate guide rail 11 are vertically arranged in height and are pressed into
In the cabinet door of line cabinet, the interlocking pressing plate 10, which can slide up and down, to be arranged on pressing plate guide rail 11, is set on the interlocking pressing plate 10
There is pressure tongue 21, the pressure tongue 21 stretches out the notch 9 of cabinet door, is easy to manager works.The side of the interlocking pressing plate 10 is also set
Locking hole 22 is equipped with, the mortise lock 8 is provided with key 26 on the side of interlocking pressing plate 10, the mortise lock 8, is easy to mortise lock
8 operation, flexibility are good.Locking first 23 is set on the mortise lock 8, and the rocking bar 14 is rotatably provided in rocking bar fulcrum bearing 15
On, the rocking bar fulcrum bearing 15 is fixed on the side of bearing guide rail 6, and the lower end of the connecting rod 12 is hinged on the upper of interlocking pressing plate 10
End, the upper end of the connecting rod 12 and one end of swing rod 13 are hinged, and the other end and rocking bar 14 of the swing rod 13 are be hinged, and described first
The support plate 17 of support plate 16 and second is fixed on rocking bar 14, and the spacing gantry pillars 18 is hinged on rocking bar 14, and position
Between the first support plate 16 and the second support plate 17, one end of the limit bolt 19 is hinged on spacing gantry pillars 18,
Stopper slot 24 is provided with the bearing guide rail 6, the other end of the limit bolt 19 may pass through stopper slot 24, the second support plate
Torsion spring catch 25 is provided with 17, the torsion spring 20 is concentric to be arranged on rocking bar 14, one end of torsion spring 20 and torsion spring catch 25
Fitting, the other end and bearing guide rail 6 of the torsion spring 20 are bonded.
Pass through above-mentioned technical proposal, a kind of locking system of vacuum circuit breaker of the present invention is in use, High-voltage Incoming Cabinet inserts
Key 26 is rotated, and the locking on mortise lock 8 first 23 is retracted, and releases the locking to interlocking pressing plate 10, the rocking bar under the drive of torsion spring 20
14 self-returns, spacing gantry pillars 18 drive limit bolt 19 to release spacing, the rocking bar 14 to the shift position of breaker bearing 5
Interlocking 10 upward resilience of pressing plate is driven by swing rod 13, connecting rod 12, vacuum circuit breaker 1 is under the drive of breaker bearing 5 to tactile
Head cartridge 3 moves, and moving contact 2 and static contact 4 contact, High-voltage Incoming Cabinet normal work.When high pressure inlet wire is unstable or civil power supplies
When electricity interrupts, interlocking pressing plate 10 is by pressing tongue 21 to push, while key 26 rotates, and the first 23 insertion locking hole 22 of locking is pressed interlocking
The locking of plate 10, while drive rocking bar 14 to rotate by connecting rod 12 and swing rod 13, spacing gantry pillars 18 drives limit bolt 19
It is spacing to the progress of the shift position of breaker bearing 5, prevent moving contact 2 and static contact 4 from contacting.The present invention can be by vacuum circuit breaker 1
Moving contact 2 to carry out locking spacing, prevent moving contact 2 and static contact 4 from contacting, not only ensure that the safety of equipment, and reliably
Property is good.
Above content described in this specification is only illustration made for the present invention.Technology belonging to the present invention
The technical staff in field can make various modifications or supplement to described specific embodiment or using similar mode
Substitute, content without departing from description of the invention or surmount scope defined in the claims, this all should be belonged to
The protection domain of invention.
Claims (2)
- A kind of 1. locking system of vacuum circuit breaker, it is characterised in that:It includes vacuum circuit breaker, moving contact, contact box, stationary contact Head, breaker bearing, bearing guide rail, limitation locking component, the vacuum circuit breaker are arranged on breaker bearing, the open circuit Device bearing, which can slide back and forth, to be arranged on bearing guide rail, and the bearing guide rail is fixed in the cabinet of High-voltage Incoming Cabinet, described dynamic Contact is arranged on vacuum circuit breaker, and the contact box is fixed in the cabinet of High-voltage Incoming Cabinet, and the static contact is arranged on tactile On head cartridge, mortise lock is provided with the cabinet door of High-voltage Incoming Cabinet, notch is additionally provided with the cabinet door of High-voltage Incoming Cabinet, the bearing is led The side of rail is provided with limitation locking component, and the limitation locking component includes interlocking pressing plate, pressing plate guide rail, connecting rod, swing rod, shaken Bar, rocking bar fulcrum bearing, the first support plate, the second support plate, spacing gantry pillars, limit bolt, torsion spring, the pressing plate guide rail erect Directly it is arranged in the cabinet door of High-voltage Incoming Cabinet, the interlocking pressing plate, which can slide up and down, to be arranged on pressing plate guide rail, the interlocking pressure Pressure tongue is provided with plate, the pressure tongue stretches out the notch of cabinet door, and the side of the interlocking pressing plate is additionally provided with locking hole, described to insert Lock sets locking head on the side of interlocking pressing plate, the mortise lock, and the rocking bar is rotatably provided in rocking bar fulcrum bearing, institute State rocking bar fulcrum bearing and be fixed on bearing guide rail side, the lower end of the connecting rod is hinged on the upper end of interlocking pressing plate, the connecting rod Upper end and one end of swing rod are hinged, and the other end and rocking bar of the swing rod are hinged, and first support plate and the second support plate are consolidated It is scheduled on rocking bar, the spacing gantry pillars is hinged on rocking bar, and between the first support plate and the second support plate, institute The one end for stating limit bolt is hinged on spacing gantry pillars, and stopper slot, the limit bolt are provided with the bearing guide rail The other end may pass through stopper slot, torsion spring catch is provided with the second support plate, the torsion spring is concentric to be arranged on rocking bar, turn round One end of spring and the fitting of torsion spring catch, the other end and bearing the guide rail fitting of the torsion spring.
- A kind of 2. locking system of vacuum circuit breaker according to claim 1, it is characterised in that:It is provided with the mortise lock Key.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610690718.7A CN106252147B (en) | 2016-08-20 | 2016-08-20 | A kind of locking system of vacuum circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610690718.7A CN106252147B (en) | 2016-08-20 | 2016-08-20 | A kind of locking system of vacuum circuit breaker |
Publications (2)
Publication Number | Publication Date |
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CN106252147A CN106252147A (en) | 2016-12-21 |
CN106252147B true CN106252147B (en) | 2018-03-16 |
Family
ID=57592928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610690718.7A Expired - Fee Related CN106252147B (en) | 2016-08-20 | 2016-08-20 | A kind of locking system of vacuum circuit breaker |
Country Status (1)
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CN (1) | CN106252147B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106877183B (en) * | 2017-04-17 | 2019-03-19 | 河南森源电气股份有限公司 | A kind of gas-filling cabinet, release unit and its height retaining mechanism |
CN117559274B (en) * | 2023-11-21 | 2024-08-06 | 西电宝鸡电气有限公司 | A stop device and put cabinet in for putting cabinet overall package in |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004173432A (en) * | 2002-11-21 | 2004-06-17 | Fuji Electric Fa Components & Systems Co Ltd | Pull-out breaker and pull-out method |
CN200972997Y (en) * | 2006-08-10 | 2007-11-07 | 上海中科电气(集团)有限公司 | Drawing base of high voltage vacuum breaker |
KR100841983B1 (en) * | 2007-12-06 | 2008-06-27 | 해종하이텍 주식회사 | Vacuum circuit breaker interlock mechanism |
WO2013084572A1 (en) * | 2011-12-08 | 2013-06-13 | 三菱電機株式会社 | Switchgear |
CN202872227U (en) * | 2012-10-23 | 2013-04-10 | 成都科星电力电器有限公司 | Breaker open operation interlocking device and high-tension switchgear applying the device |
CN103490320B (en) * | 2013-09-30 | 2015-08-19 | 成都通力集团股份有限公司 | The anti-misoperation apparatus of high-tension switch cabinet |
CN205335727U (en) * | 2016-01-27 | 2016-06-22 | 温州华港电气有限公司 | Guide rail interlocking |
CN205943919U (en) * | 2016-08-20 | 2017-02-08 | 嘉兴市正辉电力设备有限公司 | Vacuum circuit breaker's locking means |
-
2016
- 2016-08-20 CN CN201610690718.7A patent/CN106252147B/en not_active Expired - Fee Related
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CN106252147A (en) | 2016-12-21 |
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PB01 | Publication | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20210820 |
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CF01 | Termination of patent right due to non-payment of annual fee |