CN107452530A - A kind of circuit breaker switching-off locking device - Google Patents
A kind of circuit breaker switching-off locking device Download PDFInfo
- Publication number
- CN107452530A CN107452530A CN201710831175.0A CN201710831175A CN107452530A CN 107452530 A CN107452530 A CN 107452530A CN 201710831175 A CN201710831175 A CN 201710831175A CN 107452530 A CN107452530 A CN 107452530A
- Authority
- CN
- China
- Prior art keywords
- key lock
- frizzen
- casing
- locking device
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of circuit breaker switching-off locking device, it includes casing, upper key lock, lower key lock and Anchor plate kit, the casing is installed on mechanism cover plate, wherein, the upper key lock and lower key lock are installed in the casing along short transverse, and it is provided with eccentric disk on two key locks, the Anchor plate kit can be arranged in the casing up or down, and the Anchor plate kit includes the top board of integrative-structure, lower platen and frizzen, the top board is located at the lower section of the upper key lock, the lower platen is located at the lower section of the lower key lock, the frizzen is arranged at the bottom of the lower platen and passes through mechanism cover plate, return springs are provided between the bottom plate of the lower platen and casing, the frizzen move downwards through lever drives separating brake semiaxis turn an angle carry out sub-switching operation.Above-mentioned circuit breaker switching-off locking device uses Lock opened with two keys structure.It is not only convenient for operating；And substantially increase security reliability.
Description
Technical field
The present invention relates to a kind of breaker, more particularly, to a kind of circuit breaker switching-off locking device.
Background technology
Breaker be can be used to distribute electric energy, infrequently start asynchronous motor, and power circuit and motor etc. are carried out
Protection, when serious overloads or short circuit and the failure such as under-voltage occurs in they can automatic shutdown circuit, its function is equivalent to molten
Combination of the disconnected device formula switch with crossing underheat relay etc..And it is latter in disjunction fault current as need not change parts.Mesh
Before, obtain a wide range of applications.
At present, the switch-off locking device of existing breaker has the disadvantage that during specific use：
1) operation inconvenience, breaker open operation key lock locking breaker when firstly the need of the separating brake pinned always in mechanism by
Button, then rotate key lock and could carry out brake-dividing locking, operating personnel do not know about operational procedure such as, will be unable to be locked；
2) security is poor, electric shock accidents caused by the improper combined floodgates of Yi Fashengyin.
The content of the invention
It is an object of the invention to provide a kind of circuit breaker switching-off locking device, and it has easy to operation and safe
Feature, to solve the problems, such as to operate inconvenience and security difference existing for circuit breaker switching-off locking device in the prior art.
To use following technical scheme up to this purpose, the present invention：
A kind of circuit breaker switching-off locking device, it includes casing, upper key lock, lower key lock and Anchor plate kit, the case
Body is installed on mechanism cover plate, wherein, the upper key lock and lower key lock are installed in the casing along short transverse, and two
Eccentric disk is provided with individual key lock, the Anchor plate kit can be arranged in the casing up or down, and the pressing plate
Component includes top board, lower platen and the frizzen of integrative-structure, and the top board is located at the lower section of the upper key lock, described
Lower platen is located at the lower section of the lower key lock, and the frizzen is arranged at the bottom of the lower platen and passes through mechanism cover plate,
Return springs are provided between the bottom plate of the lower platen and casing, the frizzen moves downwards through lever drives separating brake
Semiaxis, which turns an angle, carries out sub-switching operation.
Especially, top board and the lower platen parallel interval is set, and the both sides of the top board and lower platen pass through
Connecting plate connects as one.
Especially, several spacer pins are outward extended with the outside of the connecting plate, along height on the biside plate of the casing
Degree direction correspondingly offers strip hole, and the spacer pin is located in the strip hole.
Especially, the return springs are helical spring, and the helical spring is sheathed on outside the frizzen.
Especially, the frizzen uses contactless structure with lever, and the bottom of the frizzen corresponds to the lever
Set, frizzen moves down rear and lever end thereof contacts in place.
Beneficial effects of the present invention are that the circuit breaker switching-off locking device has the following advantages that compared with prior art：
1) it is easy to operation, without pin the opening button in mechanism always during operation, as long as plugging corresponding key rotation lock
It is fixed, simplify operating process；
2) a variety of lock modes, two key locks of this twin-lock scheme can both lock breaker respectively in gate-dividing state, again might be used
Breaker is locked in gate-dividing state simultaneously；
3) security is higher, and the keys of two key locks can be taken care of by two people respectively, only needs a people i.e. operable during locking,
But unlock when must two people simultaneously unlock can, avoid occur maintainer not in place just close a floodgate and trigger electric shock accidents.
Brief description of the drawings
Fig. 1 is the released state figure for the circuit breaker switching-off locking device that the specific embodiment of the invention provides；
Fig. 2 is a kind of lock-out state figure for the circuit breaker switching-off locking device that the specific embodiment of the invention provides；
Fig. 3 is another lock-out state figure for the circuit breaker switching-off locking device that the specific embodiment of the invention provides；
Fig. 4 is another the lock-out state figure for the circuit breaker switching-off locking device that the specific embodiment of the invention provides.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Refer to shown in Fig. 1, Fig. 1 is the unblock shape for the circuit breaker switching-off locking device that the specific embodiment of the invention provides
State figure.
In the present embodiment, a kind of circuit breaker switching-off locking device includes casing 1, upper key lock 2, lower key lock 3 and pressing plate
Component, the casing 1 are installed on mechanism cover plate 4, and the upper key lock 2 and lower key lock 3 are installed on described along short transverse
In casing 1, and eccentric disk 5 is provided with two key locks, the Anchor plate kit includes the top board 6 of integrative-structure, pushed
Plate 7 and frizzen 8, top board 6 and lower platen 7 parallel interval is set, and the both sides of the top board 6 and lower platen 7 lead to
Cross connecting plate 9 to connect as one, the outside of the connecting plate 9 is outward extended with several spacer pins 10, the both sides of the casing 1
Strip hole 11 is correspondingly offered on plate along short transverse, the spacer pin 10 is located in the strip hole 11, and Anchor plate kit passes through
Spacer pin 10 and strip hole 11 can be arranged in the casing 1 up or down.
The top board 6 is located at the lower section of the upper key lock 2, and the key in rotation on key lock 2 drives thereon inclined
Core 5 rotates, and so as to drive Anchor plate kit integrally to move down by eccentric disk 5, the lower platen 7 is located at the lower key lock 3
Lower section, rotate the key on lower key lock 3 and drive eccentric disk 5 thereon to rotate, so as to drive Anchor plate kit whole by eccentric disk 5
Body moves down, and the frizzen 8 is arranged at the bottom of the lower platen 7 and passes through mechanism cover plate 4, and outside the frizzen 8
The helical spring 12 for reset is arranged between the lower platen 7 and the bottom plate of casing 1, the bottom of the frizzen 8 is corresponding
Lever 13 is installed, one end of the lever 13 and frizzen 8 use contactless structure, and the other end company of the lever 13
Separating brake semiaxis 14 is connected to, the frizzen 8 moves down the end thereof contacts with lever 13, then drives separating brake semiaxis 14 by lever 13
Turn an angle and carry out sub-switching operation.
Referring to shown in Fig. 1, during released state, the key on upper key lock 2, lower key lock 3 is in pulling out
Do well, both eccentric disks 5 are in horizontality, and now frizzen 8 departs from and lever in the presence of helical spring 12
13 contact, separating brake semiaxis 14 is in running order, and breaker can carry out closing operation, and major loop is connected.
Refer to shown in Fig. 2, Fig. 2 is a kind of lock for the circuit breaker switching-off locking device that the specific embodiment of the invention provides
Determine state diagram, in this locked condition, the key on upper key lock 2 is in the state that can not be extracted, and its eccentric disk 5 is in level
State, the key of lower key lock 3, which is in, can extract state, and eccentric disk 5 thereon is in plumbness and depresses lower platen 7,
The now engagement lever 13 of frizzen 8, separating brake semiaxis 14 is driven to turn over certain angle by lever 13, mechanism is in and can not keep closing a floodgate
State, breaker major loop is not turned on.
Refer to shown in Fig. 3, Fig. 3 is the another kind for the circuit breaker switching-off locking device that the specific embodiment of the invention provides
Lock-out state figure, in this locked condition, the key on lower key lock 3 are in the state that can not be extracted, and its eccentric disk 5 is in water
Level state, the key of upper key lock 2, which is in, can extract state, and eccentric disk 5 thereon is in plumbness and presses top board 6
Under, now the engagement lever 13 of frizzen 8, drives separating brake semiaxis 14 to turn over certain angle, mechanism is in and can not kept by lever 13
The state of combined floodgate, breaker major loop are not turned on.
Refer to shown in Fig. 4, Fig. 4 is another for the circuit breaker switching-off locking device that the specific embodiment of the invention provides
Lock-out state figure.In this locked condition, upper key lock 2, the key on lower key lock 3 are in that state can be extracted, both
Eccentric disk 5 is in plumbness and integrally depresses Anchor plate kit, now the engagement lever 13 of frizzen 8, is driven point by lever 13
Lock semiaxis 14 turns over certain angle, and mechanism is in the state that can not keep closing a floodgate, and breaker major loop is not turned on.
Above example is to elaborate the general principle and characteristic of the present invention, and the present invention is not limited by above-mentioned example,
Without departing from the spirit and scope, the present invention also has various change and change, and these changes and modifications are both fallen within
In scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (5)
1. a kind of circuit breaker switching-off locking device, it is characterised in that it includes casing, upper key lock, lower key lock and pressing plate group
Part, the casing are installed on mechanism cover plate, and the upper key lock and lower key lock are installed in the casing along short transverse,
And eccentric disk is provided with two key locks, the Anchor plate kit can be arranged in the casing up or down, and described
Anchor plate kit includes top board, lower platen and the frizzen of integrative-structure, and the top board is located at the lower section of the upper key lock,
The lower platen is located at the lower section of the lower key lock, and the frizzen is arranged at the bottom of the lower platen and passes through mechanism cover
Plate, return springs is provided between the bottom plate of the lower platen and casing, the frizzen moves downwards through lever drives
Separating brake semiaxis, which turns an angle, carries out sub-switching operation.
2. circuit breaker switching-off locking device according to claim 1, it is characterised in that the top board is parallel with lower platen
It is arranged at intervals, and the both sides of the top board and lower platen are connected as one by connecting plate.
3. circuit breaker switching-off locking device according to claim 2, it is characterised in that the outer epitaxial lateral overgrowth of the connecting plate
Stretching has several spacer pins, and strip hole is correspondingly offered along short transverse on the biside plate of the casing, and the spacer pin is located at
In the strip hole.
4. circuit breaker switching-off locking device according to claim 1, it is characterised in that the return springs are spiral bullet
Spring, the helical spring are sheathed on outside the frizzen.
5. circuit breaker switching-off locking device according to claim 1, it is characterised in that the frizzen is with lever using non-
Contact type structure, the bottom of the frizzen correspond to the lever and set, and frizzen moves down rear and lever one end in place
Contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831175.0A CN107452530B (en) | 2017-09-15 | 2017-09-15 | Breaker opening locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831175.0A CN107452530B (en) | 2017-09-15 | 2017-09-15 | Breaker opening locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107452530A true CN107452530A (en) | 2017-12-08 |
| CN107452530B CN107452530B (en) | 2020-09-25 |
Family
ID=60495405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710831175.0A Active CN107452530B (en) | 2017-09-15 | 2017-09-15 | Breaker opening locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107452530B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931317A (en) * | 2019-09-19 | 2020-03-27 | 许继集团有限公司 | Direct current circuit breaker and self-locking device thereof |
| CN112885625A (en) * | 2019-11-29 | 2021-06-01 | 江苏大全长江电器股份有限公司 | Diplopore operating device interlock, looped netowrk cabinet |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2503743A1 (en) * | 1975-01-30 | 1976-08-05 | Paul Merkle | Safety OFF switch with cylinder lock - has sufficient distance between key and switch toggle plate provided by intermediate latch |
| CN200947392Y (en) * | 2006-09-25 | 2007-09-12 | 李建民 | Breaker with anti-shutting lock |
| CN101211699A (en) * | 2006-12-29 | 2008-07-02 | Ls产电株式会社 | Key lock device for circuit breaker |
| CN201498907U (en) * | 2009-08-13 | 2010-06-02 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker interlocking device |
| CN102938336A (en) * | 2011-08-16 | 2013-02-20 | 上海精翊电器有限公司 | Modularized universal breaker brake-separating position double locking device |
| CN103545130A (en) * | 2012-07-09 | 2014-01-29 | 厦门宏发开关设备有限公司 | Circuit breaker opening and locking mechanism |
| CN207367825U (en) * | 2017-09-15 | 2018-05-15 | 无锡新宏泰电器科技股份有限公司 | A kind of circuit breaker switching-off locking device |
-
2017
- 2017-09-15 CN CN201710831175.0A patent/CN107452530B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2503743A1 (en) * | 1975-01-30 | 1976-08-05 | Paul Merkle | Safety OFF switch with cylinder lock - has sufficient distance between key and switch toggle plate provided by intermediate latch |
| CN200947392Y (en) * | 2006-09-25 | 2007-09-12 | 李建民 | Breaker with anti-shutting lock |
| CN101211699A (en) * | 2006-12-29 | 2008-07-02 | Ls产电株式会社 | Key lock device for circuit breaker |
| CN201498907U (en) * | 2009-08-13 | 2010-06-02 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker interlocking device |
| CN102938336A (en) * | 2011-08-16 | 2013-02-20 | 上海精翊电器有限公司 | Modularized universal breaker brake-separating position double locking device |
| CN103545130A (en) * | 2012-07-09 | 2014-01-29 | 厦门宏发开关设备有限公司 | Circuit breaker opening and locking mechanism |
| CN207367825U (en) * | 2017-09-15 | 2018-05-15 | 无锡新宏泰电器科技股份有限公司 | A kind of circuit breaker switching-off locking device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931317A (en) * | 2019-09-19 | 2020-03-27 | 许继集团有限公司 | Direct current circuit breaker and self-locking device thereof |
| CN110931317B (en) * | 2019-09-19 | 2021-09-14 | 许继集团有限公司 | Direct current circuit breaker and self-locking device thereof |
| CN112885625A (en) * | 2019-11-29 | 2021-06-01 | 江苏大全长江电器股份有限公司 | Diplopore operating device interlock, looped netowrk cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107452530B (en) | 2020-09-25 |
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