CN105161336B - The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet - Google Patents
The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet Download PDFInfo
- Publication number
- CN105161336B CN105161336B CN201510627397.1A CN201510627397A CN105161336B CN 105161336 B CN105161336 B CN 105161336B CN 201510627397 A CN201510627397 A CN 201510627397A CN 105161336 B CN105161336 B CN 105161336B
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- CN
- China
- Prior art keywords
- power supply
- switch
- pull bar
- switch cabinet
- slide plate
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- 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.)
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Classifications
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- 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
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Abstract
The mechanical interlocking device that the present invention powers for ring main unit dual power supply loading switch cabinet, including two horizontally slidable slide plates；And two drag link mechanisms, one end and one end of slide plate described in one of each drag link mechanism be rotatedly connected, and the other end is rotatedly connected with the power supply instruction plate of a corresponding switch cubicle；The other end of the slide plate is provided with baffle plate corresponding with the operating position of the switch of another switch cubicle, and the baffle plate can block the operation of the switch of corresponding switch cubicle.The present invention's is used for the mechanical interlocking device powered of ring main unit dual power supply loading switch cabinet due to including two horizontally slidable slide plates and two drag link mechanisms, one end and one end of slide plate described in one of each drag link mechanism are rotatedly connected, the other end is rotatedly connected with the indicator board of a corresponding power supply, so, when another loading switch cabinet closes a floodgate, the handle hole of this loading switch cabinet is also just blocked simultaneously, this loading switch cabinet also would not be by false switching, thus play a kind of interlocked to use, double power-supply load swith cabinet is powered and be protected.
Description
Technical field
The present invention relates to middle pressure ring main unit technical field, the mechanical interlocking that double power-supply load swith cabinet is powered is related specifically to
Device.
Background technology
With extensive use of the ring main unit in power system, people propose new technology to ring main unit industry technology will
Ask, mainly for the power reguirements more and more higher in electric power system, wherein dual power supply is even more important.
The chain function that the double power-supply load swith cabinet of original ring main unit is powered is not perfect enough：First, when a load is opened
When pass cabinet is powered, it is easy to make another loading switch cabinet by false switching or mistake separating brake due to not chain；2nd, when a load
Switch cubicle is powered when running into failure, it is necessary to artificially go, this switch cubicle separating brake, just can artificially go an other on-load switch
Cabinet closes power supply.Due to this two loading switch cabinets, this no interlock function, makes power supply cannot get reliable guarantee, to operator
Member and the security presence hidden danger of maintainer.Opened according to the strategic objective and intelligent high-pressure of the strong intelligent grid of current nation-building
The requirement of equipment construction is closed, original mechanism does not have mechanical chain effect, it is impossible to realize that intelligent switchboard system is provided reliably
Guarantee.
In consideration of it, how to ensure to power in the case where power supply is protected with safety, reliable and stable dual power supply
Mechanical chain just become in the urgent need to.
The content of the invention
Opened the technical problem to be solved in the present invention is to provide a kind of reliable and stable for ring main unit dual power supply load
Close the mechanical interlocking device that cabinet is powered.
To reach above-mentioned purpose, technical scheme is as follows：
The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet of the present invention, including
Two horizontally slidable slide plates；And
Two drag link mechanisms, one end and one end of slide plate described in one of each drag link mechanism are rotatedly connected, the other end
It is rotatedly connected with the power supply instruction plate of a corresponding switch cubicle；The other end of the slide plate is provided with and the switch of another switch cubicle
The corresponding baffle plate of operating position, the baffle plate can block the operation of the switch of corresponding switch cubicle.
Each drag link mechanism includes the first pull bar and the second pull bar, slide plate described in one end and one of first pull bar
Described one end be rotatedly connected, one end of the other end and second pull bar is rotatedly connected, the other end of second pull bar with
The power supply instruction plate of the switch cubicle is rotatedly connected, and second pull bar is provided with sliding groove along its length, and one is arranged on switch
The rotational pin of cabinet is embedded in the sliding groove and relative can slided.
Guide groove of each slide plate provided with two length directions, an embedded steady pin in each guide groove,
The slide plate can be slided along the steady pin level.
One end of the sliding groove be provided with seam so as to the rotational pin is located at the seam when can rest on it is described only
Geo-stationary is kept in mouthful.
By above-mentioned technical proposal, the beneficial effects of the invention are as follows：
The present invention's is used for the mechanical interlocking device powered of ring main unit dual power supply loading switch cabinet due to including two
Horizontally slidable slide plate and two drag link mechanisms, one end of slide plate described in one end and one of each drag link mechanism are rotated
It is connected, the other end is rotatedly connected with the indicator board of a corresponding power supply, so, when two loading switch cabinets are all in separating brake,
What the handle hole of its two loading switch cabinets was all open, and switched with operating personnel's operational load；When a loading switch cabinet
The chain bar of another loading switch cabinet is driven during combined floodgate is blocked the handle hole of another loading switch cabinet, also can not just be grasped
Make, so another on-load switch would not also closed by mistake；And when this loading switch cabinet breaks down, its on-load switch
Cabinet separating brake can just close an other on-load switch and power, when another loading switch cabinet closes a floodgate, while this on-load switch
The handle hole of cabinet is also just blocked, and this loading switch cabinet also would not thus be played a kind of interlocked and used by false switching,
Make double power-supply load swith cabinet power to be protected.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a reality of the mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet of the present invention
Apply the dimensional structure diagram of example.
Fig. 2 is the schematic diagram that Fig. 1 removes chain supporting plate.
Fig. 3 is Fig. 1 rearview.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to Fig. 1, Fig. 2, of the invention is used for the mechanical interlocking device that ring main unit dual power supply loading switch cabinet is powered
It is to be used for ring main unit dual power supply loading switch cabinet, its two power switch structure.Wherein, power supply instruction plate 102 is and a left side
The on-load switch cabinet on side is connected, and power supply instruction plate 202 is connected with the on-load switch cabinet on the right, each on-load switch
The action of the power switch of cabinet can cause the up and down motion of corresponding power supply instruction plate 102,202.
Including for the mechanical interlocking device that ring main unit dual power supply loading switch cabinet is powered for the present invention can level cunning
Dynamic slide plate 11,12 and drag link mechanism 101,201.One end of each drag link mechanism 101,201 and the one of slide plate 11,12
End is rotatedly connected, and the other end is rotatedly connected with corresponding power supply instruction plate 102,202；The other end of slide plate 11,12 is provided with and phase
To another switch cubicle power switch the corresponding baffle plate 226,126 in operation hole site, baffle plate 226,126 can control accordingly
Switch cubicle power switch operation (close a floodgate or separating brake).
Referring to Fig. 3, in the present embodiment, each slide plate 11,12 is connected with drag link mechanism 101,201 respectively.With slide plate 11
Connected drag link mechanism 101 is made up of the first pull bar 395 and the second pull bar 394.The drag link mechanism 201 being connected with slide plate 12 is by
One pull bar 295 and the second pull bar 294 are constituted.
Above-mentioned first draws 295 one end and one end of slide plate 12 to be rotatedly connected, and one end of the other end and the second pull bar 294 leads to
Cross rotary shaft 296 to be rotatedly connected, the other end and the power supply instruction plate 202 of the second pull bar 294 are rotatedly connected.
One end and one end of slide plate 11 of above-mentioned first pull bar 395 are rotatedly connected, the other end and second pull bar 394
One end is rotatedly connected by rotary shaft 396, and the other end and the power supply instruction plate 102 of the second pull bar 394 are rotatedly connected.
Above-mentioned second pull bar 294 has a groove 293 along its length, be arranged in the chain supporting plate 15 of switch cubicle (under
Face will illustrate) rotational pin 292 in embedded groove 293 and relative in groove 293 can slide.So, the second pull bar 294 can
To rotate or slide relatively around rotational pin 292.
Second pull bar 394 has a groove 393 along its length, and one is arranged on the rotational pin 392 on the stationary plane of switch cubicle one
In embedded groove 393 and relative in groove 393 it can slide.So, the second pull bar 394 can just be rotated or relatively around pin 392 is rotated
Slide.
Chain supporting plate 15 is fixed on switch cabinet (referring to Fig. 1).So, slide plate 11 is provided with two length directions
Groove 501,502.Referring back to Fig. 3, slide plate 12 is provided with the groove 503,504 on two length directions.Steady pin 511,611 is passed through
Above-mentioned groove 501,502,503,504.Because steady pin 511,611 can be slided in groove 501,502,503,504, such slide plate
11 and 12 can mutually slide.Steady pin 511,611 can be fixed on the surface of chain supporting plate 15.
Referring back to Fig. 2 and Fig. 3, there is a seam 391 one end (upper end) of the groove 393 of the second pull bar 394, when rotary shaft 392
In the seam 391, a kind of metastable state can be in, now, only the second pull bar 394 is in the presence of external force,
The second pull bar 394 can be forced to be slided relative to rotary shaft 392, and leave this unsettled condition position.The seam 391 can guarantee that in energy
Enough second pull bars 394 keep stable state when respective switch is not in operation, and this works critically important to double power-supply load swith cabinet.
Equally, also there is a seam 291 one end (upper end) of the groove 293 of the second pull bar 294, should stop when rotary shaft 292 is located at
In mouth 291, a kind of metastable state can be also in.
At the two ends of slide plate 11 and 12, fixed respectively by extension spring 891 and 892 with chain supporting plate 15.The extension spring 891
It is common spring with 892, so, can so makes slide plate 11 and 22 when horizontally slipping, moves more steady.
In the other end of slide plate 11 and 12, baffle plate 126 and 226 is respectively equipped with.Baffle plate 126,226 is really a panel, point
Operating position not with the switch of the power supply of each switch cubicle of dual power supply is corresponding.Due to slide plate 11,12 and the whole present invention
Interlock be located at chain supporting plate 15 after, and positioned at switch cubicle each power switch before.In chain supporting plate 15
Left and right ends be respectively equipped with two handle holes 103,104, from the handle hole 103,104, operating personnel can enter to switch cubicle
The operation of row combined floodgate or separating brake.When slide plate 11,22 horizontally slips, baffle plate 126,226 can be moved left and right, that is, can be divided
Aforesaid operations hole 103,104 is not blocked, can not also block the handle hole 103,104.Once blocking, then operating personnel cannot
Carry out the operation to any power supply combined floodgate or separating brake.
Finally, referring to Fig. 1-3, to the mechanical chain that ring main unit dual power supply loading switch cabinet is powered that is used for of the present invention
The course of work of the whole various states of device is described：
When two loading switch cabinets are all in separating brake, the handle hole 103,104 of its two loading switch cabinets is all open
, operating personnel arbitrarily operate any loading switch cabinet of dual power supply；
When the left side in any loading switch cabinet, such as figure, during combined floodgate, before combined floodgate, baffle plate 226 is in handle hole 104
The right, does not block handle hole 104.In addition, the rotary shaft 392 of the drag link mechanism 101 on the left side is located in the seam 391, it is in
Reference position, in a kind of stable state.After combined floodgate, the indicator board 102 of the power supply of left side switch cubicle can be moved upwards, external force band
The upper end of dynamic second pull bar 394 is moved upwards, and the opposed slot 393 of rotary shaft 392 is moved, and now the second pull bar 394 is drawn by first
Slide plate 12 is moved to the left by the rotary shaft that bar 395 is connected with slide plate 12, then, when rotary shaft 392 is located at the lower end of groove 393,
Stop drag, now, baffle plate 226 just blocks another (the right) loading switch cabinet handle hole 104, the right loading switch cabinet
It just can not again operate, so another on-load switch would not also closed by mistake.Conversely, the loading switch cabinet such as the right closes a floodgate
When, the indicator board 202 of power supply can be moved upwards, and external force drives the upper end of the second pull bar 294 to move upwards, and rotary shaft 292 is relative
Groove 293 is moved, and now the second pull bar 294 forces slide plate 11 to move right by the first pull bar 295 with the rotary shaft that slide plate 11 is connected
It is dynamic, when rotary shaft 392 is located at the lower end of groove 293, stop drag, now, baffle plate 126 just blocks another (left side) load and opened
Cabinet handle hole 103 is closed, the left side loading switch cabinet also can not just be operated again, so another on-load switch would not also be missed
Close.
So, and when a loading switch cabinet breaks down, its loading switch cabinet separating brake can just close other one and bear
Lotus switch power supply, when another loading switch cabinet closes a floodgate, while the handle hole of this loading switch cabinet is also just blocked, this
Platform loading switch cabinet also would not thus be played a kind of interlocked and used, double power-supply load swith cabinet is powered by false switching
To guarantee.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. the mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet, it is characterised in that including
Two horizontally slidable slide plates；And
Two drag link mechanisms, one end and one end of slide plate described in one of each drag link mechanism are rotatedly connected, the other end with it is right
The power supply instruction plate for the switch cubicle answered is rotatedly connected；The other end of the slide plate is provided with the operation with the switch of another switch cubicle
The corresponding baffle plate in position, the moving up and down of power supply instruction plate drives the moving horizontally so as to for blocking the phase of the baffle plate
The operation of the switch for the switch cubicle answered；
Each drag link mechanism includes the first pull bar and the second pull bar, the institute of slide plate described in one end and one of first pull bar
State one end to be rotatedly connected, one end of the other end and second pull bar is rotatedly connected, the other end of second pull bar with it is described
The power supply instruction plate of switch cubicle is rotatedly connected, and second pull bar is provided with sliding groove along its length, and one is arranged on switch cabinet
Rotational pin be embedded in the sliding groove and can relative slip；
Guide groove of each slide plate provided with two length directions, an embedded steady pin, described in each guide groove
Slide plate can be slided along the steady pin level；
One end of the sliding groove is provided with a seam to rest in the seam when rotational pin is located at the seam
Keep geo-stationary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627397.1A CN105161336B (en) | 2015-09-28 | 2015-09-28 | The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627397.1A CN105161336B (en) | 2015-09-28 | 2015-09-28 | The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105161336A CN105161336A (en) | 2015-12-16 |
| CN105161336B true CN105161336B (en) | 2017-08-29 |
Family
ID=54802159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510627397.1A Active CN105161336B (en) | 2015-09-28 | 2015-09-28 | The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105161336B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101768592B1 (en) * | 2016-01-21 | 2017-08-17 | 엘에스산전 주식회사 | Interlock apparatus of ring main unit |
| CN112447426A (en) * | 2019-09-04 | 2021-03-05 | Abb瑞士股份有限公司 | Mechanical interlocking device and dual-power supply system |
| CN110957158A (en) * | 2019-11-29 | 2020-04-03 | 深圳供电局有限公司 | Mechanical interlocking mechanism of double-insulation cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4439745C1 (en) * | 1994-10-31 | 1996-03-28 | Siemens Ag | Arrangement for interlocking the actuation of at least two circuit breakers |
| CN101764374B (en) * | 2009-12-29 | 2013-03-06 | 北京双杰电气股份有限公司 | Solid insulation fully closed combined electrical apparatus |
| CN201629245U (en) * | 2010-01-29 | 2010-11-10 | 武汉西高电器有限公司 | Double-load switch interlocking device |
| CN204668740U (en) * | 2015-06-04 | 2015-09-23 | 北京昊创瑞通电气设备有限公司 | A kind of two on-load switch incoming line cabinet |
| CN205004210U (en) * | 2015-09-28 | 2016-01-27 | 上海广电电气(集团)股份有限公司 | A mechanical interlocking device that is used for looped netowrk cabinet dual power supply load switch cabinet to supply power |
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2015
- 2015-09-28 CN CN201510627397.1A patent/CN105161336B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105161336A (en) | 2015-12-16 |
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| PB01 | Publication | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 201400 east 2, 123 Lane 1, Ring Road East, Fengxian District, Shanghai. Patentee after: Shanghai Anyiji Enterprise Development Co.,Ltd. Address before: 201400 east 2, 123 Lane 1, Ring Road East, Fengxian District, Shanghai. Patentee before: AEG ENTERPEISE DEVELOPMENT (SHANGHAI) CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221114 Address after: 201400 east 2, 123 Lane 1, Ring Road East, Fengxian District, Shanghai. Patentee after: AEG ENTERPEISE DEVELOPMENT (SHANGHAI) CO.,LTD. Address before: No. 123 Lane 1, Huancheng East Road, Fengxian District, Shanghai 201400 Patentee before: SHANGHAI SGEG (GROUP) Co.,Ltd. Patentee before: AEG ENTERPEISE DEVELOPMENT (SHANGHAI) CO.,LTD. |