CN106206146B - A kind of interlock of the earthing switch and door of switchgear - Google Patents
A kind of interlock of the earthing switch and door of switchgear Download PDFInfo
- Publication number
- CN106206146B CN106206146B CN201610796072.0A CN201610796072A CN106206146B CN 106206146 B CN106206146 B CN 106206146B CN 201610796072 A CN201610796072 A CN 201610796072A CN 106206146 B CN106206146 B CN 106206146B
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- CN
- China
- Prior art keywords
- door
- earthing switch
- linkage board
- rod bolt
- operating shaft
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- Patch Boards (AREA)
Abstract
A kind of interlock of the earthing switch and door of switchgear, it is characterised in that：Including：Earthing switch operating shaft connects earthing switch, is rotatably arranged on substrate, is moved between on-position and de-energized；Latching device has the rod bolt being arranged between the door leaf and doorframe of door and matched latch aperture plate；The earthing switch operating shaft and the rod bolt are sequentially connected by transmission mechanism, and the rod bolt described in on-position and the corresponding latch aperture plate are sealed, and the rod bolt described in de-energized is unlocked with the corresponding latch aperture plate.The interlocking of circuit breaker chamber door and cable chamber door can be achieved at the same time in the linkage structure of the present invention.
Description
Technical field
The present invention relates to high-tension switch cabinet technical fields, and in particular to a kind of chain dress of the earthing switch and door of switchgear
It sets.
Background technology
When high-tension switch cabinet breaks down or overhauls, in order to ensure personal safety, earthing switch operates after must closing a floodgate
Personnel could enter, therefore the interlocking of earthing switch and door is indispensable in high-tension switch gear.In high-tension switch cabinet
To accomplish in operating process " five is anti-"：1, for the vacuum circuit breaker trolley in high-tension switch cabinet after experimental site combined floodgate, trolley is disconnected
Road device cannot be introduced into operating position；2, when closing position, trolley breaker can not close a floodgate the earthing in high-tension switch cabinet；3、
In combined floodgate work, the machinery on the earthing of disk cabinet back door is latched vacuum circuit breaker in high-tension switch cabinet with cabinet door；4, high
The vacuum circuit breaker to compress switch in cabinet closes a floodgate at work, and splice grafting earthing knife-switch can not be put into；5, the vacuum circuit breaker in high-tension switch cabinet
Device can not exit the operating position of trolley breaker when operation is closed a floodgate in work.
Therefore, be grounded between switch and cable chamber door and breaker door it is reliable it is chain be ensure power supply it is reliable and
One of personal safety essential condition.The interlocking generally use machinery of existing switch cabinet grounding switch is combined with electric interlock
Form, this mode is complicated, cumbersome, and electric interlock wiring condition and have a power failure or power-off when can influence
To the interlocking effect of whole device, reliability is reduced.In addition, the interlock in the switchgear of the prior art is typically only capable to
It is chain with one of door (circuit breaker chamber door or cable chamber door) to be grounded switch, reliability is low.
Invention content
Therefore, the technical problem to be solved in the present invention is to overcome the interlock in switchgear in the prior art logical
It is low with the chain and electric interlock reliability of one of door (circuit breaker chamber door or cable chamber door) that switch can only be often grounded
Defect, to provide a kind of interlock of the earthing switch and door of switchgear.
To achieve the above object, technical scheme is as follows：A kind of interlocking dress of the earthing switch and door of switchgear
It sets, it is characterised in that：Including：Earthing switch operating shaft connects earthing switch, is rotatably arranged on column, in power-on servicing
It is converted between power operation；
Latching device has and the rod bolt between the door leaf and doorframe of door is arranged and matches Latch orifice plates；
The earthing switch operating shaft and the rod bolt are sequentially connected by transmission mechanism, the rod bolt in power-on servicing
It is sealed with corresponding stated Latch orifice plates, and the rod bolt is unlocked with corresponding stated Latch orifice plates in power operation.
Further, the door is two, and each door has corresponding rod bolt Ji Latch orifice plates；The transmission mechanism has one
A linkage board driven by the earthing switch operating shaft, the linkage board drive each rod bolt to act in linkage.
Further, the transmission mechanism also has the servo-actuated axle sleeve being connected in the earthing switch operating shaft；Institute
It states linkage board to be slidably arranged on substrate, by engaging mechanism by the earthing switch between the axle sleeve and the linkage board
The rotation of operating shaft is converted to the linkage board translation gliding.
Further, the substrate is connected with the linkage board by mutually matched pin-and-slot mechanism.
Further, realize that transmission connects by reversing transmission mechanism respectively between the linkage board and each rod bolt
It connects, the translation gliding of the linkage board is converted to the perpendicular translation gliding for corresponding to not each rod bolt of fellow disciple.
Further, the reversing transmission mechanism is a reversing piece being pivotally mounted on the substrate, described
Movable plate is articulated and connected with the reversing piece；It is vertex and the linkage board on the reversing piece using the pivotal axis of the reversing piece
Hinge joint at 90 degree, the rod bolt is articulated and connected with the reversing piece.
Further, the reversing piece is hinged to the linkage board hinge joint and the rod bolt respectively from the pivotal axis
The L-shaped component that the arm being fixed to each other that point extends is constituted.
Further, tension spring there are one being set between the linkage board and the substrate, the earthing switch operating shaft inverse time
When needle rotates, the tension spring drives the linkage board translation gliding and the rod bolt is made to fasten with a bolt or latch into Suo Shu Latch orifice plates.
Further, the door includes circuit breaker chamber door and cable chamber door.
Technical solution of the present invention has the following advantages that：The present invention uses the interlocking of the earthing switch and door of pure mechanic structure
Device replaces electric interlock in the prior art, simple and reliable for structure, though stopping power-off does not influence its use still, and
The interlocking of circuit breaker chamber door and cable chamber door can be achieved at the same time in the linkage structure of the present invention.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Structural schematic diagram when Fig. 1 is circuit breaker chamber door and the cable chamber door closing of the present invention；
Structural schematic diagram when Fig. 2 is circuit breaker chamber door and the cable chamber door unlock of the present invention；
Reference sign：
1- breaker door lock items；2- breaker door lock buckles；3- reversing pieces；4- tension springs；5- linkage boards；6- axle sleeves；7- connects
Ground switching manipulation axis；8- cable chamber door locking plates；9- cable chamber door bolts；
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
As shown in Figs. 1-2, high-tension switch cabinet earthing switch of the invention and circuit breaker chamber door and the chain dress of cable chamber door
It sets, including earthing switch operating shaft 7, the axle sleeve 6 being fixedly connected in earthing switch operating shaft 7, axle sleeve 6 is abutted with linkage board 5,
The upper end of linkage board 5 is fixedly connected with tension spring 4, and linkage board 5 is moved up and down by the drive of axle sleeve 6 and tension spring 4.Wherein link
The both ends of plate 5 are provided with vertical sliding slot respectively by pin-and-slot mechanism and substrate connection on linkage board 5, substrate is equipped with pin, profit
It is vertically moved with the cooperation of cotter way guiding linkage board 5, while the reversing piece 3 of L-type is hinged at the both ends of linkage board 5,
Reversing piece 3 is that the mutual of the hinge joint of the hinge joint of linkage board 5 and rod bolt extension is consolidated on reversing piece respectively from central pivot axis
Fixed arm is constituted, and central pivot axis is hingedly fixed with substrate, the both ends of one of reversing piece 3 respectively with linkage board 5 one
End and breaker door lock buckle 2 are hinged, the both ends of another reversing piece 3 respectively with the other end of linkage board 5 and cable vault's door lock
Buckle 8 is hinged.The opening and closing of breaker door, cable vault's door lock are realized by breaker door lock buckle 2 and the cooperation of breaker door lock item 1
Buckle 8 realizes the opening and closing of cable vault's door lock with the cooperation of cable chamber door bolt 9, in the present embodiment when breaker door lock buckle 2 is inserted
Breaker door is closed when entering breaker door lock item 1, and when cable chamber door locking plate 8 is inserted into cable chamber door bolt 9, cable device door closes
It closes.
The present invention specific work process be：When energization, earthing switch operating shaft 7 is rotated by 90 ° counterclockwise, while axle sleeve 6
It is rotated by 90 ° with earthing switch operating shaft 7, linkage board 5 by the upward pulling force of tension spring 4 due to up being moved, the movement of linkage board 5
The reversing piece 3 at both ends is driven to rotate, the breaker door lock buckle 2 hinged with reversing piece 3 and cable chamber door locking plate 8 are inserted into respectively
9 inside groove of breaker door lock item 1 and cable chamber door bolt, bolt cannot be moved up, therefore the door of breaker door and cable chamber door
Plate can not be opened.
Earthing switch operating shaft 7 rotates clockwise 90 ° when power failure operation, and axle sleeve 6 is rotated by 90 ° with earthing switch operating shaft 7,
It drives linkage board 5 to move downward, drives the reversing piece 3 at both ends to rotate, breaker door lock buckle 2 and cable chamber door locking plate 8 divide
It is not extracted out from breaker door lock item 1 and cable chamber door bolt 9, circuit breaker chamber door and cable chamber door can be opened at this time.
The present invention is replaced existing using the interlock of the earthing switch and door of pure mechanic structure using link-type linkage
There is the electric interlock in technology, it is simple and reliable for structure, even if stopping power-off does not influence its use still；The present invention's is chain simultaneously
The interlocking of circuit breaker chamber door and cable chamber door can be achieved at the same time simultaneously in device, avoids being arranged multiple interlocks, it is simple in structure simultaneously
Save installation space.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
1. a kind of earthing switch of switchgear and the interlock of door, it is characterised in that：Including：
Earthing switch operating shaft (7) connects earthing switch, is rotatably arranged on column, power-on servicing and power operation it
Between convert；
There are two the door is set, two doors are located at the axial homonymy of the earthing switch operating shaft, divide on each door
Not She You latching device, the latching device has the rod bolt and the matched door bolt that are arranged between the door leaf and doorframe of the door
Orifice plate；
And
Transmission mechanism, there are one the linkage boards (5) driven by the earthing switch operating shaft (7) for tool, are used for the ground connection
It switching manipulation axis (7) while being sequentially connected respectively with two rod bolts；
In power-on servicing, two rod bolts are sealed with the corresponding latch aperture plate respectively, and in power operation, two institutes
Rod bolt is stated to unlock with the corresponding latch aperture plate respectively.
2. interlock according to claim 1, it is characterised in that：The transmission mechanism also has is connected to institute servo-actuatedly
State the axle sleeve (6) in earthing switch operating shaft (7)；The linkage board (5) is slidably arranged on substrate, the axle sleeve (6) with
The rotation of the earthing switch operating shaft (7) is converted to by the linkage board (5) by engaging mechanism between the linkage board (5)
Translation gliding.
3. interlock according to claim 2, it is characterised in that：The substrate and the linkage board (5) are by mutual
The pin-and-slot mechanism of cooperation connects.
4. interlock according to claim 2 or 3, it is characterised in that：The linkage board (5) and each rod bolt it
Between respectively by reversing transmission mechanism realize be sequentially connected, the translation gliding of the linkage board (5) is converted to perpendicularly
Corresponding to the translation gliding of each rod bolt of not fellow disciple.
5. interlock according to claim 4, it is characterised in that：The reversing transmission mechanism is one and is pivotally mounted on
Reversing piece (3) on the substrate, the linkage board (5) are articulated and connected with the reversing piece (3)；With the reversing piece (3)
Pivotal axis be vertex and hinge joint of the linkage board (5) on the reversing piece at 90 degree, the rod bolt with it is described
Reversing piece is articulated and connected.
6. interlock according to claim 5, it is characterised in that：The reversing piece (3) is to distinguish from the pivotal axis
The L-shaped component that the arm being fixed to each other that the hinge joint of hinge joint and the rod bolt to the linkage board (5) extends is constituted.
7. interlock according to claim 5 or 6, it is characterised in that：It is set between the linkage board (5) and the substrate
There are one tension springs, and when the earthing switch operating shaft (7) rotates counterclockwise, the tension spring drives linkage board (5) translation to slide
It moves and the rod bolt is made to fasten with a bolt or latch into the latch aperture plate.
8. interlock according to claim 7, it is characterised in that：The door includes circuit breaker chamber door and cable chamber door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610796072.0A CN106206146B (en) | 2016-08-31 | 2016-08-31 | A kind of interlock of the earthing switch and door of switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610796072.0A CN106206146B (en) | 2016-08-31 | 2016-08-31 | A kind of interlock of the earthing switch and door of switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106206146A CN106206146A (en) | 2016-12-07 |
| CN106206146B true CN106206146B (en) | 2018-09-25 |
Family
ID=58086446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610796072.0A Active CN106206146B (en) | 2016-08-31 | 2016-08-31 | A kind of interlock of the earthing switch and door of switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106206146B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538396A (en) * | 2019-09-20 | 2019-12-06 | 中际联合（北京）科技股份有限公司 | Falling protector |
| CN114050070B (en) * | 2021-10-13 | 2024-05-14 | 许继集团有限公司 | High tension switchgear cable room door interlock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104025230A (en) * | 2011-12-30 | 2014-09-03 | Abb技术有限公司 | Mechanical Interlock Device Among Cable Door, Rear Door And Earthing Switch |
| CN105428136A (en) * | 2015-12-24 | 2016-03-23 | 向荣集团有限公司 | Switch interlock device for earthing switch, breaker and rear door of switch cabinet |
| CN206194632U (en) * | 2016-08-31 | 2017-05-24 | 华仪电气股份有限公司 | Interlock of earthing switch AND gate of cubical switchboard |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08168125A (en) * | 1994-12-14 | 1996-06-25 | Meidensha Corp | Switchgear |
| KR101522265B1 (en) * | 2013-10-16 | 2015-05-21 | 엘에스산전 주식회사 | Voltage transformer room door interlock device of panel for vacuum circuit breaker |
-
2016
- 2016-08-31 CN CN201610796072.0A patent/CN106206146B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104025230A (en) * | 2011-12-30 | 2014-09-03 | Abb技术有限公司 | Mechanical Interlock Device Among Cable Door, Rear Door And Earthing Switch |
| CN105428136A (en) * | 2015-12-24 | 2016-03-23 | 向荣集团有限公司 | Switch interlock device for earthing switch, breaker and rear door of switch cabinet |
| CN206194632U (en) * | 2016-08-31 | 2017-05-24 | 华仪电气股份有限公司 | Interlock of earthing switch AND gate of cubical switchboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106206146A (en) | 2016-12-07 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 325600, No. 228, Central Avenue, Yueqing Economic Development Zone, Wenzhou, Zhejiang, Yueqing Applicant after: Huayi Electric Apparatus Group Address before: 325600 Wenzhou Economic Development Zone, Zhejiang, Central Avenue, No. 228 Applicant before: Huayi Electric Apparatus Group |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230908 Granted publication date: 20180925 |