CN205943919U - Vacuum circuit breaker's locking means - Google Patents

Vacuum circuit breaker's locking means Download PDF

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Publication number
CN205943919U
CN205943919U CN201620905691.4U CN201620905691U CN205943919U CN 205943919 U CN205943919 U CN 205943919U CN 201620905691 U CN201620905691 U CN 201620905691U CN 205943919 U CN205943919 U CN 205943919U
Authority
CN
China
Prior art keywords
circuit breaker
guide rail
bearing
vacuum circuit
pressing plate
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.)
Withdrawn - After Issue
Application number
CN201620905691.4U
Other languages
Chinese (zh)
Inventor
陈剑超
魏春良
沈春林
谈明锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Zhenghui Electric Power Equipment Co Ltd
Original Assignee
Jiaxing Zhenghui Electric Power Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiaxing Zhenghui Electric Power Equipment Co Ltd filed Critical Jiaxing Zhenghui Electric Power Equipment Co Ltd
Priority to CN201620905691.4U priority Critical patent/CN205943919U/en
Application granted granted Critical
Publication of CN205943919U publication Critical patent/CN205943919U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a vacuum circuit breaker's locking means belongs to power equipment technical field. It includes vacuum circuit breaker, the limit locking subassembly, vacuum circuit breaker installs on the circuit breaker support, the circuit breaker support can slide the setting on the support guide rail in the front and back, the interlocking clamp plate of limit locking subassembly can slide from top to bottom and set up on the clamp plate guide rail, the mortise lock is located one side of interlocking clamp plate, the lower extreme of connecting rod articulates the upper end at the interlocking clamp plate, the upper end of connecting rod and the one end of pendulum rod are articulated, the other end and the rocker of pendulum rod are articulated, spacing swing bearing articulates on the rocker, limiting bolt's one end articulates on spacing swing bearing, limiting bolt's the other end can pass the spacing groove, the torsional spring sets up on the rocker with the axle center, the one end and the laminating of torsional spring separation blade of torsional spring, the other end and the laminating of support guide rail of torsional spring. The utility model discloses it is spacing to carry out vacuum circuit breaker's moving contact the locking, prevents moving contact and quiet male contact, has not only guaranteed the safety of equipment, moreover the good reliability.

Description

A kind of locking system of vacuum circuit breaker
Technical field
This utility model is related to electrical equipment technical field, particularly to a kind of locking system of vacuum circuit breaker.
Background technology
Power equipment mainly includes with generating equipment and power supply unit two big class, and generating equipment is mainly station boiler, steaming Steam turbine, gas turbine, the hydraulic turbine, electromotor, transformator etc., power supply unit is mainly the power transmission line of various electric pressures Road, transformer, catalyst etc..High-voltage Incoming Cabinet is a kind of common power equipment.High-voltage Incoming Cabinet is mainly disjunction, closure 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, There is major break down in circuit or equipment, local protection.During inefficacy, it departs from electric network source accident equipment or circuit in time.Very Common part, vacuum circuit breaker in High-voltage Incoming Cabinet during empty chopper " because after its arc-extinguishing medium and arc extinguishing contact gap exhausted Edge medium is all fine vacuum and gains the name;It has the advantages that small volume, lightweight, be applied to frequent operation, arc extinguishing without maintenance, Power distribution network is applied and more popularizes.Vacuum circuit breaker is 3~10kV, the indoor distribution in 50Hz three-phase alternating current system, It is available for industrial and mining establishment, power plant, is used as the protection of electric equipment and control in transformer station, be particularly well-suited to require oil-free Change, the field of employment of few maintenance and frequent operation, chopper be configurable on middle-placed switch cabinet, double-layer cabinet, in 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.
Utility model content
The purpose of this utility model is to provide a kind of locking system of vacuum circuit breaker, and the moving contact of vacuum circuit breaker is entered Row locking is spacing, prevents moving contact from contacting with static contact, not only ensure that the safety of equipment, and good reliability.
This utility model solves its technical problem and be employed technical scheme comprise that:
A kind of locking system of vacuum circuit breaker, it includes vacuum circuit breaker, moving contact, contact box, static contact, chopper Bearing, bearing guide rail, limitation locking assembly, described vacuum circuit breaker is arranged on chopper bearing, and described chopper bearing can Slide anteroposterior is arranged on bearing guide rail, and described bearing guide rail is fixed in the cabinet of High-voltage Incoming Cabinet, and described moving contact is installed 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 It is provided with mortise lock in the cabinet door of pressure incoming line cabinet, the cabinet door of High-voltage Incoming Cabinet is additionally provided with notch, the side of described bearing guide rail It is provided with limitation locking assembly, described limitation locking assembly includes interlock pressing plate, pressing plate guide rail, connecting rod, fork, rocking bar, rocking bar Fulcrum 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 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 sets It is equipped with pressure tongue, described pressure tongue stretches out the notch of cabinet door, the side of described interlocking pressing plate is additionally provided with locking hole, and described mortise lock is located at The side of interlocking pressing plate, described mortise lock arranges locking head, and described rocking bar is rotatably provided in rocking bar fulcrum bearing, described rocking bar Fulcrum 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 One end of fork is hinged, and the other end of described fork and rocking bar are hinged, and described first support plate and the second support plate are fixed on and shake On bar, described spacing gantry pillars is hinged on rocking bar, and is located between the first support plate and the second support plate, described spacing One end of latch is hinged on spacing gantry pillars, and described bearing guide rail is provided with stopper slot, described limit bolt another End may pass through stopper slot, the second support plate is provided with torsion spring catch, described torsion spring is concentric to be arranged on rocking bar, and the one of torsion spring End and the laminating of 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 this utility model, has advantages below and effect:High-voltage Incoming Cabinet insertion key rotation, inserts The locking head locked is retracted, and releases the locking to interlocking pressing plate, rocking bar self-return under the drive of torsion spring, spacing gantry pillars Limit bolt is driven to release spacing to chopper bearing shift position, rocking bar passes through fork, connecting rod drives interlocking pressing plate upwards Resilience, vacuum circuit breaker moves to contact box under the drive of chopper bearing, and moving contact contacts with static contact, High-voltage Incoming Cabinet Normal work.When high pressure inlet wire is unstable or mains-supplied is interrupted, interlocking pressing plate passes through to press Sublingual pressure, key rotation simultaneously Turn, locking head inserts the locking to pressing plate of interlocking for the locking hole, pass through connecting rod simultaneously and fork drives rocking bar to rotate, spacing swing is propped up It is spacing that seat drives limit bolt that chopper bearing shift position is carried out, and prevents moving contact from contacting with static contact.On interlocking pressing plate It is provided with pressure tongue, pressure tongue stretches out the notch of cabinet door, is easy to manager works.The dynamic of vacuum circuit breaker can be touched by this utility model It is spacing that head carries out locking, prevents moving contact from contacting with static contact, not only ensure that the safety of equipment, and good reliability.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model limitation locking assembly.
Fig. 3 is the top view of this utility model limitation locking assembly.
Fig. 4 is the partial enlarged drawing of this utility model Fig. 3.
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, pressing plate of 10. interlocking, 11. pressing plate guide rails, 12. connecting rods, 13. forks, 14. rocking bars, 15. rocking bar fulcrum bearings, 16. first support plates, 17. second support plates, 18. spacing gantry pillars, 19. limit bolts, 20. torsions Spring, 21. pressure tongues, 22. locking holes, 23. locking heads, 24. stopper slots, 25. torsion spring catch, 26. keys.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are right Of the present utility model explain and this utility model is not limited to 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, 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 slide anteroposterior be arranged on bearing guide rail 6, and described bearing guide rail 6 is fixing 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 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 described bearing guide rail 6 is provided with limitation locking assembly 7, described limitation locking group Part 7 include interlock pressing plate 10, pressing plate guide rail 11, connecting rod 12, fork 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, described pressing plate guide rail 11 is vertically arranged in height and is pressed into In 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 There is pressure tongue 21, described pressure tongue 21 stretches out the notch 9 of cabinet door, is easy to manager works.The side of described interlocking pressing plate 10 also sets It is equipped with locking hole 22, described mortise lock 8 is located at the side of interlocking pressing plate 10, described mortise lock 8 is provided with key 26, is easy to mortise lock 8 operation, motility is good.Locking head 23 is arranged on described mortise lock 8, described rocking bar 14 is rotatably provided in rocking bar fulcrum bearing 15 On, described rocking bar fulcrum bearing 15 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 of described fork 13 and rocking bar 14 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, Stopper slot 24 is provided with described bearing guide rail 6, the other end of described limit bolt 19 may pass through stopper slot 24, the second support plate It is provided with torsion spring catch 25, described torsion spring 20 is concentric to be arranged on rocking bar 14, one end of torsion spring 20 and torsion spring catch 25 on 17 Laminating, the other end of described torsion spring 20 and bearing guide rail 6 are fitted.
By technique scheme, when a kind of locking system of vacuum circuit breaker of this utility model uses, High-voltage Incoming Cabinet Insertion key 26 rotates, and the locking head 23 on mortise lock 8 is retracted, and releases the locking to interlocking pressing plate 10, under the drive of torsion spring 20 Rocking bar 14 self-return, it is spacing to chopper bearing 5 shift position that spacing gantry pillars 18 drives limit bolt 19 to release, and shakes Bar 14 passes through fork 13, connecting rod 12 drives interlocking pressing plate 10 resilience upwards, and vacuum circuit breaker 1 is under the drive of chopper bearing 5 Mobile to contact box 3, moving contact 2 contacts with static contact 4, High-voltage Incoming Cabinet normal work.When high pressure inlet wire is unstable or city During electric power failure, interlocking pressing plate 10 passes through to press tongue 21 to push, and key 26 rotates simultaneously, and locking head 23 inserts locking hole 22 distich The locking of lock pressing plate 10, passes through connecting rod 12 simultaneously and fork 13 drives rocking bar 14 to rotate, and spacing gantry pillars 18 drives spacing inserting Pin 19 carries out spacing to chopper bearing 5 shift position, prevents moving contact 2 from contacting with static contact 4.This utility model can be by vacuum It is spacing that the moving contact 2 of chopper 1 carries out locking, prevents moving contact 2 from contacting with static contact 4, not only ensure that the safety of equipment, and And good reliability.
Above content described in this specification is only to this utility model example explanation.This utility model Person of ordinary skill in the field can make various modifications or supplement or adopt class to described specific embodiment As mode substitute, the content without departing from this utility model description or surmount model defined in the claims Enclose, protection domain of the present utility model all should be belonged to.

Claims (2)

1. a kind of locking system of 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 slide anteroposterior be arranged on bearing guide rail, 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 is 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 fulcrum bearing, the first support plate, the second support plate, spacing gantry pillars, limit bolt, torsion spring, described pressing plate guide rail erects Directly it is arranged in 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 Pressure tongue is provided with plate, described pressure tongue stretches out the notch of cabinet door, the side of described interlocking pressing plate is additionally provided with locking hole, described slotting Lock is located at the side of interlocking pressing plate, and described mortise lock arranges locking head, and described 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 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 of described fork and rocking bar are hinged, and described first support plate and the second support plate are solid It is scheduled on rocking bar, described spacing gantry pillars is hinged on rocking bar, and be located between the first support plate and the second support plate, institute The one end stating limit bolt is hinged on spacing gantry pillars, 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 is concentric to be 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.
2. a kind of vacuum circuit breaker according to claim 1 locking system it is characterised in that:It is provided with described mortise lock Key.
CN201620905691.4U 2016-08-20 2016-08-20 Vacuum circuit breaker's locking means Withdrawn - After Issue CN205943919U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620905691.4U CN205943919U (en) 2016-08-20 2016-08-20 Vacuum circuit breaker's locking means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620905691.4U CN205943919U (en) 2016-08-20 2016-08-20 Vacuum circuit breaker's locking means

Publications (1)

Publication Number Publication Date
CN205943919U true CN205943919U (en) 2017-02-08

Family

ID=57948050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620905691.4U Withdrawn - After Issue CN205943919U (en) 2016-08-20 2016-08-20 Vacuum circuit breaker's locking means

Country Status (1)

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CN (1) CN205943919U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106252147A (en) * 2016-08-20 2016-12-21 嘉兴市正辉电力设备有限公司 A kind of locking system of vacuum circuit breaker
CN112524652A (en) * 2020-11-30 2021-03-19 云米互联科技(广东)有限公司 Control method of integrated cooker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106252147A (en) * 2016-08-20 2016-12-21 嘉兴市正辉电力设备有限公司 A kind of locking system of vacuum circuit breaker
CN112524652A (en) * 2020-11-30 2021-03-19 云米互联科技(广东)有限公司 Control method of integrated cooker
CN112524652B (en) * 2020-11-30 2022-12-27 云米互联科技(广东)有限公司 Control method of integrated cooker

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170208

Effective date of abandoning: 20180316

AV01 Patent right actively abandoned

Granted publication date: 20170208

Effective date of abandoning: 20180316