CN104917093A - Mid-mounted switch cabinet static contact isolation bezel locking device - Google Patents
Mid-mounted switch cabinet static contact isolation bezel locking device Download PDFInfo
- Publication number
- CN104917093A CN104917093A CN201510234521.8A CN201510234521A CN104917093A CN 104917093 A CN104917093 A CN 104917093A CN 201510234521 A CN201510234521 A CN 201510234521A CN 104917093 A CN104917093 A CN 104917093A
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- China
- Prior art keywords
- locking
- poiut
- baffle plate
- pin
- locking device
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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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/24—Shutters or guards
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of power system control equipment, and in particular relates to a mid-mounted switch cabinet static contact isolation bezel locking device which comprises a connection piece. One end of the connection piece is fixedly connected with a half-moon plate. A first locking point and a second locking point are arranged on the other end of the connection piece. The first locking point is located above the second locking point. The device further comprises a base. The half-moon plate is movably connected with the base through a pin. The half-moon plate can rotate by taking the pin as the axis. A first locking shaft pin is arranged on the first locking point. A second locking shaft pin is arranged on the second locking point. The half-moon plate is connected with one end, which is away from the pin, of the base through an extension spring. According to the invention, the problem of electric shock, which is caused by the fact that an isolation bezel is easily opened when a user detects or maintains a mid-mounted switch cabinet and carries out improper operation in the prior art, is solved.
Description
Technical field
The present invention relates to controlling apparatus of electric power system technical field, be specifically related to a kind of intermediate switchgear cabinet fixed contact isolation baffle plate locking device.
Background technology
Intermediate switchgear cabinet is widely used at electric control system, in existing technology, when switching on/off handcart by overhaul position slowly shake into intermediate switchgear cabinet time, the office of handcart both sides contacts respectively and collides two rollers of Zhong Mei side in both sides in intermediate switchgear cabinet, along with handcart shake inward into, the four rolling of both sides is stressed, such four rolling passes through connecting rod, drive line side baffle plate move down and drive bus bar side baffle plate up to move, so just open line side baffle plate and bus bar side baffle plate.When switching on/off handcart shakes out switch cubicle, four rolling is no longer stressed, and bus bar side baffle plate to move down closedown contact by natural gravity, and the spring action of line side baffle connection rod mechanism is up mobile closes contact.
But current this mode has problems, generally, when maintainer carries out switch cubicle upkeep operation, due to the reason such as power grid risk and user, the equal charging operation of switch cabinet bus, namely switch cabinet bus side fixed contact is also electriferous state.When maintainer is when safeguarding switch cubicle handcart room, still can commit a fault and touch link gear by mistake and cause isolation baffle plate open, cause staff to touch fixed contact by mistake and cause the electric shock casualty accident of staff, this type of accident is existing circular in south electric network system.Such as in February, 2011, Yunnan power supply administration maintainer, when safeguarding certain 10kV switch cubicle, opens bus bar side baffle plate by mistake and cleans fixed contact, causes the person to get an electric shock, dead 1 people.
Summary of the invention
The present invention is in order to solve above-mentioned existing technical disadvantages, a kind of intermediate switchgear cabinet fixed contact is provided to isolate baffle plate locking device, it can to solve in prior art user when detecting intermediate switchgear cabinet or keeping in repair, and easily opens isolation baffle plate and occur the problem of getting an electric shock due to misoperation.
For achieving the above object, the invention provides a kind of intermediate switchgear cabinet fixed contact isolation baffle plate locking device, comprise brace, described brace one end is fixedly connected with meniscus, the other end of described brace is provided with the first locking poiut and the second locking poiut, described first locking poiut is above the second locking poiut, also comprise base, described meniscus is flexibly connected with base by bearing pin, this meniscus described can bearing pin be that axle center rotates, described first locking poiut is provided with the first locking pivot pin, described second locking poiut is provided with the second locking pivot pin, described meniscus is also connected by extension spring away from bearing pin one end with base.
Further, described brace is in " Jiong " shape.
Further, described first locking pivot pin can at the first locking poiut, and described second locking pivot pin can the second locking poiut move.
The present invention has following beneficial effect: baffle plate locking device of the present invention is by the first locking poiut on connecting arranges the first locking pivot pin, second locking poiut is arranged the second locking pivot pin, by arranging the first locking pivot pin and the second locking pivot pin can prevent the link transmission of connection line side plate and bus side plate and circuit side plate and bus bar plate be opened the generation causing electric shock accidents; Therefore:
1, this patent baffle plate locking device improves fail safe; After installing this device, no matter be have a mind to or be not intended to and be that personnel do not open arbitrary static contact baffles, minimum needs two personnel just can open a certain static contact baffles, greatly reduce operating risk.
2, economy is high, simple possible.The material making this device is seen everywhere on the market, and low price, manufacture craft is easily understood, and two personnel need not can complete for one day.
3, this patent baffle plate locking device ergonomic is good, can automatic blocking.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of baffle plate locking device of the present invention;
Fig. 2 is using state figure of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, shown in Fig. 2, the present invention the invention provides a kind of intermediate switchgear cabinet fixed contact isolation baffle plate locking device, comprise brace 4, described brace 4 one end is fixedly connected with meniscus 3, the other end of described brace 4 is provided with the first locking poiut 1 and the second locking poiut 2, described first locking poiut 1 is above the second locking poiut 2, also comprise base 6, described meniscus 3 is flexibly connected with base 6 by bearing pin 61, this meniscus 3 described can rotate for axle center by bearing pin 61, described first locking poiut 1 is provided with the first locking pivot pin 11, described second locking poiut 2 is provided with the second locking pivot pin 21, described meniscus 3 is also connected by extension spring 5 away from bearing pin 61 one end with base.
Before not using this patent baffle plate locking device, operation principle in switch cubicle be when switching on/off handcart by overhaul position slowly shake into switch cubicle time, the office of handcart both sides contacts respectively and collides upper roller 7 and the bottom roller 8 of both sides, along with handcart shake inward into, upper roller 7 and bottom roller 8 stressed.Wherein upper roller 7 is by power down, pulls drive link 72 by connecting rod 71, drives line side baffle plate (not shown) to move down, thus opens line side baffle plate.Bottom roller 8, by power up, pulls drive link 82 by connecting rod 81, and drive link drives bus bar side baffle plate up to move, thus opens bus bar side baffle plate (not shown).When handcart shakes out switch cubicle, upper roller and bottom roller are no longer stressed, and bus bar side baffle plate to move down closedown contact by natural gravity, and line side baffle plate then closes contact by linkage spring action is up mobile.
After the baffle plate locking device using this patent, when switching on/off handcart is when overhauling the position needing maintenance, maintainer has a mind to or is not intended to pull static contact baffles, overhead gage (i.e. bus side plate, not shown) connecting rod 81 can move up, lower baffle plate (i.e. circuit side plate, not shown) connecting rod can move down, now the first locking pivot pin 11 can hinder connecting rod 7 to move down, second locking pivot pin 21 can hinder connecting rod 8 to move up, bus side plate and circuit side plate can not be opened, reach locking effect.When switching on/off handcart slowly shakes into switch cubicle, first office on the left of handcart collides meniscus 3, the meniscus 3 forced belt sheet 4 that is dynamically connected moves toward cabinet wall, and the first locking pivot pin 11 and the first locking pivot pin 11 unlocking link 71,81 respectively, completes unblock before office touches the roller of connecting rod 7,8; After switching on/off handcart leaves switch cubicle, brace 4 is returned to original position by meniscus under the effect of extension spring 5.。
As the execution mode that the present invention is concrete, requirement is set according to switch cubicle, preferably, described brace is arranged in " Jiong " shape.Further, described first locking pivot pin can at the first locking poiut, and described second locking pivot pin can the second locking poiut move, and can adjust the length that the first locking pivot pin and second closes bearing pin pin like this according to brace after cabinet wall with the distance of connecting rod 7,8.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. an intermediate switchgear cabinet fixed contact isolation baffle plate locking device, it is characterized in that: comprise brace, described brace one end is fixedly connected with meniscus, the other end of described brace is provided with the first locking poiut and the second locking poiut, described first locking poiut is above the second locking poiut, also comprise base, described meniscus is flexibly connected with base by bearing pin, this meniscus described can bearing pin be that axle center rotates, described first locking poiut is provided with the first locking pivot pin, described second locking poiut is provided with the second locking pivot pin, described meniscus is also connected by extension spring away from bearing pin one end with base.
2. a kind of intermediate switchgear cabinet fixed contact isolates baffle plate locking device according to claim 1, it is characterized in that: described brace is in " Jiong " shape.
3. a kind of intermediate switchgear cabinet fixed contact isolates baffle plate locking device according to claim 1, it is characterized in that: described first locking pivot pin can at the first locking poiut, and described second locking pivot pin can the second locking poiut move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234521.8A CN104917093A (en) | 2015-05-11 | 2015-05-11 | Mid-mounted switch cabinet static contact isolation bezel locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234521.8A CN104917093A (en) | 2015-05-11 | 2015-05-11 | Mid-mounted switch cabinet static contact isolation bezel locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104917093A true CN104917093A (en) | 2015-09-16 |
Family
ID=54085918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510234521.8A Pending CN104917093A (en) | 2015-05-11 | 2015-05-11 | Mid-mounted switch cabinet static contact isolation bezel locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104917093A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859446A (en) * | 2018-12-19 | 2019-06-07 | 国网山东省电力公司无棣县供电公司 | A kind of switchgear isolation baffle plate locking warning device |
| CN111656629A (en) * | 2018-02-01 | 2020-09-11 | 伊顿智能动力有限公司 | Maintenance latch for switchgear shutters |
| CN112242659A (en) * | 2020-10-29 | 2021-01-19 | 国网山东省电力公司威海供电公司 | 10kV metal enclosed type cubical switchboard isolation barrier blocking device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233814Y (en) * | 2008-08-01 | 2009-05-06 | 汕头正超电气集团有限公司 | Movable door locking mechanism for withdrawn type switch cabinet |
| CN201846002U (en) * | 2010-09-27 | 2011-05-25 | 温州兴机电器有限公司 | Valve self-locking device for switch cabinet |
| CN203645218U (en) * | 2013-12-06 | 2014-06-11 | 北京北开电气股份有限公司 | Novel self-locking device of switch cabinet valve |
| CN204760859U (en) * | 2015-05-11 | 2015-11-11 | 郭湛林 | In put formula cubical switchboard static contact and keep apart baffle blocking device |
-
2015
- 2015-05-11 CN CN201510234521.8A patent/CN104917093A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233814Y (en) * | 2008-08-01 | 2009-05-06 | 汕头正超电气集团有限公司 | Movable door locking mechanism for withdrawn type switch cabinet |
| CN201846002U (en) * | 2010-09-27 | 2011-05-25 | 温州兴机电器有限公司 | Valve self-locking device for switch cabinet |
| CN203645218U (en) * | 2013-12-06 | 2014-06-11 | 北京北开电气股份有限公司 | Novel self-locking device of switch cabinet valve |
| CN204760859U (en) * | 2015-05-11 | 2015-11-11 | 郭湛林 | In put formula cubical switchboard static contact and keep apart baffle blocking device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111656629A (en) * | 2018-02-01 | 2020-09-11 | 伊顿智能动力有限公司 | Maintenance latch for switchgear shutters |
| CN111656629B (en) * | 2018-02-01 | 2022-04-22 | 伊顿智能动力有限公司 | Maintenance latch for switchgear shutters |
| CN109859446A (en) * | 2018-12-19 | 2019-06-07 | 国网山东省电力公司无棣县供电公司 | A kind of switchgear isolation baffle plate locking warning device |
| CN112242659A (en) * | 2020-10-29 | 2021-01-19 | 国网山东省电力公司威海供电公司 | 10kV metal enclosed type cubical switchboard isolation barrier blocking device |
| CN112242659B (en) * | 2020-10-29 | 2022-07-01 | 国网山东省电力公司威海供电公司 | 10kV metal enclosed type cubical switchboard isolation barrier blocking device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150916 |
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| WD01 | Invention patent application deemed withdrawn after publication |