CN106252147A - A kind of locking system of vacuum circuit breaker - Google Patents
A kind of locking system of vacuum circuit breaker Download PDFInfo
- Publication number
- CN106252147A CN106252147A CN201610690718.7A CN201610690718A CN106252147A CN 106252147 A CN106252147 A CN 106252147A CN 201610690718 A CN201610690718 A CN 201610690718A CN 106252147 A CN106252147 A CN 106252147A
- Authority
- CN
- China
- Prior art keywords
- bearing
- pressing plate
- guide rail
- 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.)
- Granted
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 the locking system of a kind of vacuum circuit breaker, belongs to electrical equipment technical field.It includes vacuum circuit breaker, limitation locking assembly, vacuum circuit breaker is arranged on chopper bearing, chopper bearing can be arranged on bearing guide rail by slide anteroposterior, the interlocking pressing plate of limitation locking assembly can slide up and down and 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 fork are hinged, the other end and the rocking bar of fork 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 concentric is arranged on rocking bar, one end of torsion spring and the laminating of torsion spring catch, the other end of torsion spring and the laminating of bearing guide rail.It is spacing that the moving contact of vacuum circuit breaker can be carried out locking by the present invention, prevents moving contact from contacting with static contact, not only ensure that the safety of equipment, and good reliability.
Description
Technical field
The present invention relates to electrical equipment technical field, particularly to the locking system of a kind of vacuum circuit breaker.
Background technology
Power equipment mainly includes that generating equipment is mainly station boiler, steaming with generating equipment and power supply unit two big class
Steam turbine, gas turbine, the hydraulic turbine, electromotor, transformator etc., power supply unit is mainly the power transmission line of various electric pressure
Road, transformer, catalyst etc..High-voltage Incoming Cabinet is a kind of common power equipment.High-voltage Incoming Cabinet is mainly disjunction, Guan Bi
Circuit between electrical network and user, has relay protection function and instruction electrical equipment；It is used for protecting customer power supply circuit and electrical equipment,
In circuit or equipment generation major break down, local protection.During inefficacy, it departs from electric network source accident equipment or circuit in time.Very
Parts common in High-voltage Incoming Cabinet during empty chopper, vacuum circuit breaker " because of contact gap exhausted after its arc-extinguishing medium and arc extinguishing
Edge medium is all fine vacuum and gains the name；It has that volume is little, lightweight, be applicable to frequent operation, advantage that arc extinguishing need not overhaul,
Power distribution network is applied the most universal.Vacuum circuit breaker is 3～10kV, the indoor distribution in 50Hz three-phase alternating current system,
It is available in industrial and mining establishment, power plant, transformer station being used as protection and the control of electric equipment, is particularly well-suited to requirement oil-free
Change, few maintenance and the field of employment of frequent operation, chopper be configurable in middle-placed switch cabinet, double-layer cabinet, fixing cabinet as controlling and
Protection high voltage electric equipment is used.Self power generation cabinet is as stand-by power supply device, during the work of self power generation cabinet, the vacuum in High-voltage Incoming Cabinet
Chopper needs to ensure locking, it is ensured that the safety of equipment.
Summary of the invention
It is an object of the invention to provide the locking system of a kind of vacuum circuit breaker, the moving contact of vacuum circuit breaker is locked
The most spacing, prevent moving contact from contacting with static contact, 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:
The locking system of a kind of vacuum circuit breaker, it includes that vacuum circuit breaker, moving contact, contact box, static contact, chopper prop up
Seat, bearing guide rail, limitation locking assembly, described vacuum circuit breaker is arranged on chopper bearing, described chopper bearing can before
After be slidably arranged on bearing guide rail, described bearing guide rail is fixed in the cabinet of High-voltage Incoming Cabinet, and described moving contact is arranged on
On vacuum circuit breaker, described contact box is fixed in the cabinet of High-voltage Incoming Cabinet, and described static contact is arranged on contact box, high pressure
Being provided with mortise lock on the cabinet door of incoming line cabinet, the cabinet door of High-voltage Incoming Cabinet is additionally provided with notch, the side of described bearing guide rail sets
Being equipped with limitation locking assembly, described limitation locking assembly includes that interlocking pressing plate, pressing plate guide rail, connecting rod, fork, rocking bar, rocking bar prop up
Bearing, the first support plate, the second support plate, spacing gantry pillars, limit bolt, torsion spring, described pressing plate guide rail is vertically arranged in
On the cabinet door of High-voltage Incoming Cabinet, described interlocking pressing plate can slide up and down and be arranged on pressing plate guide rail, and described interlocking pressing plate is arranged
Having pressure tongue, described pressure tongue to stretch out the notch of cabinet door, the side of described interlocking pressing plate is additionally provided with locking hole, and described mortise lock is positioned at connection
The side of lock pressing plate, described mortise lock arranges locking head, and described rocking bar is rotatably provided in rocking bar and props up in bearing, and described rocking bar props up
Bearing is fixed on bearing guide rail side, and the lower end of described connecting rod is hinged on the upper end of interlocking pressing plate, the upper end of described connecting rod and pendulum
One end of bar is hinged, and the other end and the rocking bar of described fork are hinged, and described first support plate and the second support plate are fixed on rocking bar
On, described spacing gantry pillars is hinged on rocking bar, and between the first support plate and the second support plate, described spacing slotting
One end of pin is hinged on spacing gantry pillars, and described bearing guide rail is provided with stopper slot, the other end of described limit bolt
May pass through stopper slot, the second support plate is provided with torsion spring catch, described torsion spring concentric is arranged on rocking bar, one end of torsion spring
Fit with torsion spring catch, the other end of described torsion spring and the laminating of bearing guide rail.
Further, described mortise lock is provided with key.
Compared to the prior art the present invention, has the following advantages and effect: High-voltage Incoming Cabinet inserts key and rotates, on mortise lock
Locking head retract, release to interlocking pressing plate locking, rocking bar self-return under the drive of torsion spring, spacing gantry pillars drive
Limit bolt releases spacing to chopper bearing shift position, and rocking bar drives interlocking pressing plate upwards resilience by fork, connecting rod,
Vacuum circuit breaker moves to contact box under the drive of chopper bearing, and moving contact contacts with static contact, and High-voltage Incoming Cabinet is normal
Work.When high pressure inlet wire is unstable or mains-supplied is interrupted, interlocking pressing plate is pressed by pressure Sublingual, and key rotates simultaneously, lock
Only head inserts the locking hole locking to interlocking pressing plate, drives rocking bar to rotate by connecting rod and fork, spacing gantry pillars band simultaneously
Chopper bearing shift position is carried out spacing by dynamic limit bolt, prevents moving contact from contacting with static contact.Arrange on interlocking pressing plate
Pressure tongue, pressure tongue is had to stretch out the notch of cabinet door, it is simple to manager works.The moving contact of vacuum circuit breaker can be locked by the present invention
The most spacing, prevent moving contact from contacting with static contact, not only ensure that the safety of equipment, and good reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of limitation locking assembly of the present invention.
Fig. 3 is the top view of limitation locking assembly of the present invention.
Fig. 4 is the partial enlarged drawing of Fig. 3 of the present invention.
In figure: 1. vacuum circuit breaker, 2. moving contact, 3. contact box, 4. static contact, 5. chopper bearing, 6. bearing guide rail,
7. limitation locking assembly, 8. mortise lock, 9. notch, 10. interlocking pressing plate, 11. pressing plate guide rails, 12. connecting rods, 13. forks, 14. rocking bars,
15. rocking bars prop up bearing, 16. first support plates, 17. second support plates, 18. spacing gantry pillars, 19. limit bolts, and 20. turn round
Spring, 21. pressure tongues, 22. locking holes, 23. locking heads, 24. stopper slots, 25. torsion spring catch, 26. keys.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are to this
Bright explanation and the invention is not limited in following example.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the locking system of a kind of vacuum circuit breaker, it includes vacuum circuit breaker 1, moves
Contact 2, contact box 3, static contact 4, chopper bearing 5, bearing guide rail 6, limitation locking assembly 7, described vacuum circuit breaker 1 is installed
On chopper bearing 5, described chopper bearing 5 can be arranged on bearing guide rail 6 by slide anteroposterior, and described bearing guide rail 6 is fixed
In the cabinet of High-voltage Incoming Cabinet, described moving contact 2 is arranged on vacuum circuit breaker 1, and described contact box 3 is fixed on high pressure inlet wire
In the cabinet of cabinet, described static contact 4 is arranged on contact box 3.Mortise lock 8, high pressure inlet wire it is provided with on the cabinet door of High-voltage Incoming Cabinet
It is additionally provided with notch 9 on the cabinet door of cabinet.The side of described bearing guide rail 6 is provided with limitation locking assembly 7, described limitation locking group
Part 7 include interlocking pressing plate 10, pressing plate guide rail 11, connecting rod 12, fork 13, rocking bar 14, rocking bar prop up bearing the 15, first support plate 16,
Second support plate 17, spacing gantry pillars 18, limit bolt 19, torsion spring 20, described pressing plate guide rail 11 is vertically arranged in height and is pressed into
On the cabinet door of line cabinet, described interlocking pressing plate 10 can slide up and down and be arranged on pressing plate guide rail 11, and described interlocking pressing plate 10 is arranged
Having pressure tongue 21, described pressure tongue 21 stretches out the notch 9 of cabinet door, it is simple to manager works.The side of described interlocking pressing plate 10 also sets
Being equipped with locking hole 22, described mortise lock 8 is positioned at the side of interlocking pressing plate 10, described mortise lock 8 is provided with key 26, it is simple to mortise lock
The operation of 8, motility is good.Arranging locking head 23 on described mortise lock 8, described rocking bar 14 is rotatably provided in rocking bar and props up bearing 15
On, described rocking bar props up bearing 15 and is fixed on bearing guide rail 6 side, and the lower end of described connecting rod 12 is hinged on the upper of interlocking pressing plate 10
End, the upper end of described connecting rod 12 and one end of fork 13 are hinged, and the other end and the rocking bar 14 of described fork 13 are hinged, and described first
Support plate 16 and the second support plate 17 are fixed on rocking bar 14, and described 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 described limit bolt 19 is hinged on spacing gantry pillars 18,
Being provided with stopper slot 24 on described bearing guide rail 6, the other end of described limit bolt 19 may pass through stopper slot 24, the second support plate
Being provided with torsion spring catch 25 on 17, described torsion spring 20 concentric is arranged on rocking bar 14, one end of torsion spring 20 and torsion spring catch 25
Laminating, the other end and the bearing guide rail 6 of described torsion spring 20 are fitted.
By technique scheme, when the locking system of a kind of vacuum circuit breaker of the present invention uses, High-voltage Incoming Cabinet inserts
Key 26 rotates, and the locking head 23 on mortise lock 8 is retracted, and releases the locking to interlocking pressing plate 10, rocking bar under the drive of torsion spring 20
14 self-returns, it is spacing that spacing gantry pillars 18 drives that limit bolt 19 releases chopper bearing 5 shift position, rocking bar 14
By fork 13, connecting rod 12 drive interlocking pressing plate 10 upwards resilience, vacuum circuit breaker 1 under the drive of chopper bearing 5 to touch
Head cartridge 3 moves, and moving contact 2 contacts with static contact 4, and High-voltage Incoming Cabinet normally works.When high pressure inlet wire is unstable or civil power supplies
When electricity interrupts, interlocking pressing plate 10 is pressed for 21 times by pressure tongue, and key 26 rotates simultaneously, and locking head 23 inserts locking hole 22 to interlocking pressure
The locking of plate 10, drives rocking bar 14 to rotate by connecting rod 12 and fork 13 simultaneously, and spacing gantry pillars 18 drives limit bolt 19
Chopper bearing 5 shift position is carried out spacing, prevents moving contact 2 from contacting with static contact 4.The present invention can be by vacuum circuit breaker 1
Moving contact 2 to carry out locking spacing, prevent moving contact 2 from contacting with static contact 4, 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
Described specific embodiment can be made various amendment or supplements or use similar mode by the technical staff in field
Substitute, without departing from the content of description of the invention or surmount scope defined in the claims, all should be belonged to this
The protection domain of invention.
Claims (2)
1. the locking system of a vacuum circuit breaker, it is characterised in that: it includes vacuum circuit breaker, moving contact, contact box, stationary contact
Head, chopper bearing, bearing guide rail, limitation locking assembly, described vacuum circuit breaker is arranged on chopper bearing, described open circuit
Device bearing can be arranged on bearing guide rail by slide anteroposterior, and described bearing guide rail is fixed in the cabinet of High-voltage Incoming Cabinet, described dynamic
Contact is arranged on vacuum circuit breaker, and described contact box is fixed in the cabinet of High-voltage Incoming Cabinet, and described static contact is arranged on tactile
On head cartridge, the cabinet door of High-voltage Incoming Cabinet being provided with mortise lock, the cabinet door of High-voltage Incoming Cabinet is additionally provided with notch, described bearing is led
The side of rail is provided with limitation locking assembly, and described limitation locking assembly includes interlocking pressing plate, pressing plate guide rail, connecting rod, fork, shakes
Bar, rocking bar prop up bearing, the first support plate, the second support plate, spacing gantry pillars, limit bolt, torsion spring, and described pressing plate guide rail erects
Directly being arranged on the cabinet door of High-voltage Incoming Cabinet, described interlocking pressing plate can slide up and down and be arranged on pressing plate guide rail, described interlocking pressure
Being provided with pressure tongue on plate, described pressure tongue stretches out the notch of cabinet door, and the side of described interlocking pressing plate is additionally provided with locking hole, described slotting
Lock is positioned at the side of interlocking pressing plate, and described mortise lock arranges locking head, and described rocking bar is rotatably provided in rocking bar and props up in bearing, institute
Stating rocking bar to prop up bearing and be fixed on bearing guide rail side, the lower end of described connecting rod is hinged on the upper end of interlocking pressing plate, described connecting rod
One end of upper end and fork is hinged, and the other end and the rocking bar of described fork are hinged, and described first support plate and the second support plate are solid
Being scheduled on rocking bar, described spacing gantry pillars is hinged on rocking bar, and between the first support plate and the second support plate, institute
The one end stating limit bolt is hinged on spacing gantry pillars, and described bearing guide rail is provided with stopper slot, described limit bolt
The other end may pass through stopper slot, the second support plate is provided with torsion spring catch, described torsion spring concentric is arranged on rocking bar, turn round
One end of spring and the laminating of torsion spring catch, the other end of described torsion spring and the laminating of bearing guide rail.
The locking system of a kind of vacuum circuit breaker the most according to claim 1, it is characterised in that: it is provided with on described 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 |
|---|---|
| CN106252147A true CN106252147A (en) | 2016-12-21 |
| CN106252147B CN106252147B (en) | 2018-03-16 |
Family
ID=57592928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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)
| Country | Link |
|---|---|
| CN (1) | CN106252147B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877183A (en) * | 2017-04-17 | 2017-06-20 | 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 |
| CN117559274A (en) * | 2023-11-21 | 2024-02-13 | 西电宝鸡电气有限公司 | A stop device and put cabinet in for putting cabinet overall package in |
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| 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 |
| 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 |
| WO2013084572A1 (en) * | 2011-12-08 | 2013-06-13 | 三菱電機株式会社 | Switchgear |
| CN103490320A (en) * | 2013-09-30 | 2014-01-01 | 成都通力集团股份有限公司 | Misoperation prevention device of high-voltage 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
Patent Citations (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 |
| CN103490320A (en) * | 2013-09-30 | 2014-01-01 | 成都通力集团股份有限公司 | Misoperation prevention device of high-voltage 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877183A (en) * | 2017-04-17 | 2017-06-20 | 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 |
| 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 |
| CN117559274A (en) * | 2023-11-21 | 2024-02-13 | 西电宝鸡电气有限公司 | A stop device and put cabinet in for putting cabinet overall package in |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106252147B (en) | 2018-03-16 |
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| CF01 | Termination of patent right due to non-payment of annual fee |