CN201780898U - Five-prevention interlock operating device for circuit breaker cabinet - Google Patents
Five-prevention interlock operating device for circuit breaker cabinet Download PDFInfo
- Publication number
- CN201780898U CN201780898U CN 201020514763 CN201020514763U CN201780898U CN 201780898 U CN201780898 U CN 201780898U CN 201020514763 CN201020514763 CN 201020514763 CN 201020514763 U CN201020514763 U CN 201020514763U CN 201780898 U CN201780898 U CN 201780898U
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- baffle plate
- cabinet
- breaker
- circuit breaker
- control lever
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Abstract
The utility model discloses a five-prevention interlock operating device for a circuit breaker cabinet. A circuit breaker operating interlock baffle and a cabinet door interlock baffle which can move up and down are mounted outside front ends of a grounded operating shaft and a disconnector operating shaft, a drive plate is connected to the disconnector driving shaft to lift the circuit breaker operating interlock baffle, a lock bolt used for limiting ascent of the circuit breaker operating interlock baffle is arranged on one side of the circuit breaker operating interlock baffle, a circuit breaker button is arranged on the inner side of an operating port of the circuit breaker operating interlock baffle, the cabinet door interlock baffle is fixedly connected to an interlock rod for locking a cabinet door, a knob is used for driving the cabinet interlock baffle to ascend, and a limiting part used for limiting the cabinet door interlock baffle in ascending is mounted on the outer side of the grounded operating shaft. Compared with the prior art, the five-prevention interlock operating device for a circuit breaker cabinet has the advantages of simple structure, reliability in operation, and convenience in use and installation.
Description
Technical field
The utility model relates to high voltage electric equipment manufacturing technology field, especially a kind of protective device that is used to prevent misoperation in breaker cabinet.
Background technology
At present in the electrical power distribution system ring main unit, breaker cabinet five anti-interlocked operation devices, (patent announcement number is CN1848324 just like Chinese patent " circuit breaker interlocking device ", patent announcement day is on October 18th, 2006), this circuit breaker interlocking device is applicable to the machinery between two breaker of plastic casing in the double-power supply switching device, electrical interlock, comprise that an installation base plate and a middle part fit on the installation base plate by the slide mechanism cunning, and two ends are stretched over the slide block of installing outside the base plate, and characteristics are that the end face at the two ends of slide block outside it is stretched over the installation base plate is formed with a pair of first respectively, second circular arc R 1, R2.(patent announcement number is CN200959290 to Chinese patent " high pressure ring cabinet anti-misoperation mechanical interlocks " for another example, patent announcement day is on October 10th, 2007) this high pressure ring cabinet anti-misoperation mechanical interlocks comprises a high pressure ring cabinet cabinet and is located at isolating switch, vacuum circuit-breaker summation current transformer in the cabinet, its circuit breaker side is provided with make progress vertically arranged dropout push rod and closed bite restrictor bar, the iron core of the release electromagnet of described dropout push rod and circuit breaker joins, and the closing locking isolating switch connecting lever of described closed bite restrictor bar and circuit breaker joins; The opposite side of described transmission levers is provided with the vertically arranged drive rod that makes progress, and this drive rod is connected with the isolating-switch locking handle by a crank.These scheme interlockings all are that difficult installation, interlock assembly are loaded down with trivial details, not easy to operate.
Summary of the invention
Problem to be solved in the utility model provide a kind of simple in structure easily, fitting operation breaker cabinet five anti-interlocked operation devices easily.
In order to address the above problem, the technical solution adopted in the utility model is: this breaker cabinet five anti-interlocked operation devices include the isolating switch driving shaft, the isolating switch control lever shaft, the ground connection control lever shaft, switch knob and these features same as the prior art of opening button of control circuit breaker, in addition:
A, in the outside of described ground connection control lever shaft and described isolating switch control lever shaft front end, up and down breaker operator interlocking baffle plate and cabinet gate interlock baffle plate are housed;
The side of B, described breaker operator interlocking baffle plate is provided with and drives group plate that described breaker operator interlocking baffle plate rises, and this group plate is fixedly attached on the described isolating switch driving shaft; Being equipped with one in a side of described breaker operator interlocking baffle plate rising passway links with circuit breaker, be used to limit the dead bolt that described breaker operator interlocking baffle plate rises, described switch knob and opening button are located at the inboard of the operation aperture of described breaker operator interlocking baffle plate;
One side of C, described cabinet gate interlock baffle plate is equipped with and drives the knob that this cabinet gate interlock baffle plate rises; The lateral surface of described ground connection control lever shaft is equipped with the locating part that the described cabinet gate interlock baffle plate of restriction rises; The following blocking lever that is used for sealed cabinet door that is welded with of described cabinet gate interlock baffle plate.
Owing to adopted technique scheme, the cabinet body structure that the utility model compared with prior art not only need not to change the vacuum circuit-breaker cabinet can be realized the purpose that prevents that mistake from dividing mistake to close the isolating switch vacuum circuit-breaker, and having simple in structurely, operation is reliable, advantage easy to install and use.
Description of drawings
Fig. 1 is the utility model embodiment assembly structure schematic diagram;
Fig. 2 be the utility model embodiment at breaker closing, the structural representation under the ground connection cutter "on" position;
Fig. 3 be the utility model embodiment at breaker closing, the structural representation under the ground connection cutter gate-dividing state;
Fig. 4 be the utility model embodiment at breaker closing, the structural representation under the isolation knife "on" position;
Fig. 5 be the utility model embodiment at breaker open operation, the structural representation under can not the disconnecting switch operation state.
Embodiment
Below in conjunction with the accompanying drawing example the utility model is described in further detail:
Breaker cabinet five anti-interlocked operation devices shown in Figure 1 have an isolating switch driving shaft 3, isolating switch driving shaft 3 is connected with ground connection control lever shaft 7 with isolating switch control lever shaft 6 by mechanical driving device, the outside of isolating switch control lever shaft 6 and ground connection control lever shaft 7 all is welded with the interlocking limiting plate, the opening button 4 of the switch knob 5 and a control breaker open operation of a control breaker closing is arranged, and the parts and the syndeton thereof of these parts are same as the prior art.In addition, in the outside of ground connection control lever shaft 7 and isolating switch control lever shaft 6 front ends a breaker operator interlocking baffle plate 1 is housed, breaker operator interlocking baffle plate 1 is contained on the bearing pin 12 of fixedlying connected with the isolating switch support versatilely by the slotted hole on it; A dead bolt 2 that links with circuit breaker is arranged, and dead bolt 2 is withdrawn when breaker closing, ejects when breaker open operation, and dead bolt 2 keeps off on the passage that breaker operator interlocking baffle plate 1 rises, with the rising of limiting circuit breaker operation interlocking baffle plate 1 at At time of eject; Leave during dead bolt 2 withdrawals outside the passage of breaker operator interlocking baffle plate 1 rising, can allow breaker operator interlocking baffle plate 1 rise; Be welded with on the isolating switch driving shaft 3 and drive group plate that breaker operator interlocking baffle plate 1 rises;
Switch knob 5 and opening button 4 are located at the medial surface of described breaker operator interlocking baffle plate 1 rising passway, when isolating switch driving shaft 3 forwards isolating switch separating brake position to, the plate of dialling that is welded on the isolating switch driving shaft 3 drives that upshift makes operating personnel can not press switch knob 5 or opening button 4 on the breaker operator interlocking baffle plate 1 on the outer face of switch knob 5 and opening button 4; When isolating switch driving shaft 3 forwards the isolating switch closing position to, the plate of dialling of isolating switch driving shaft 3 falls return by breaker operator interlocking baffle plate 1, allow the window of breaker operator interlocking baffle plate 1 over against the outer face of switch knob 5 and opening button 4, make operating personnel can press switch knob 5 or opening button 4.Therefore, have only when isolating switch closes a floodgate switch knob 5 or opening button 4 that just can operating breaker.
Also be provided with a cabinet gate interlock baffle plate 8 outside ground connection control lever shaft 7 and isolating switch control lever shaft 6 front ends, cabinet gate interlock baffle plate 8 is contained on the bearing pin 13 of fixedlying connected with the isolating switch support versatilely; The following blocking lever 10 that is used for sealed described cabinet door 11 that is welded with of cabinet gate interlock baffle plate 8; Be provided with a driving cabinet gate interlock baffle plate 8 in the lower surface of cabinet gate interlock baffle plate 8 and upwards rise the knob 9 of retaining in ground connection control lever shaft 7 and isolating switch control lever shaft 6 fronts, the lateral surface of ground connection control lever shaft 7 is equipped with locating part 14, when ground connection control lever shaft 7 went to non-earthing position, locating part 14 forwarded retaining on the passage that cabinet gate interlock baffle plate 8 rises; When ground connection control lever shaft 7 goes to earthing position, locating part 14 forwards to outside the rising passway that leaves cabinet gate interlock baffle plate 8, therefore, before opening cabinet door 11, need rotation ground connection control lever shaft 7, make the ground connection cutter ground connection of closing, at this moment just can turning knob 9 drive cabinet gate interlock baffle plates 8 and blocking lever 10 rises to remove the locking to the cabinet door.
As follows to closing Fig. 2 to Fig. 5 the utility model operation principle in use:
One, when the vacuum breaker cabinet carries out the interruption maintenance operation, the utility model breaker cabinet five anti-interlocked operation devices can provide the mechanical interlocking of flexibility and reliability:
1, press 4 fens circuit breakers of opening button, breaker operator interlocking baffle plate is mentioned in dead bolt 2 withdrawal, can disconnecting switch operation control lever shaft 6 and ground connection control lever shaft 7;
2, rotary isolation switch control lever shaft 6 makes the isolating switch separating brake, and the driving shaft of isolating switch 3 drives and limit the position that breaker operator interlocking baffle plate rises by dialling plate, blocks opening button 4, and switch knob 5 can not operating breaker;
When 3, rotation ground connection control lever shaft 7 closed a floodgate the ground connection cutter, breaker operator interlocking baffle plate still blocked opening button 4, and switch knob 5 can not operating breaker;
4, rotary knob 9, drive cabinet gate interlock baffle plate 8 and blocking lever 10 and mention, and open cabinet door 11, and cabinet gate interlock baffle plate 8 blocks isolating switch control lever shaft 6, and ground connection control lever shaft 7 can not operating breaker, ground connection cutter and isolating switch.
Two, when the vacuum breaker cabinet carries out the interruption maintenance operation, this breaker cabinet five anti-interlocked operation devices can provide the mechanical interlocking of flexibility and reliability:
1, close and to close cabinet door 11, cabinet gate interlock baffle plate 8 and blocking lever 10 fall, and isolating switch control lever shaft 6 can rotate ground connection control lever shaft 7, and breaker operator interlocking baffle plate 1 blocks opening button 4, and switch knob 5 can not operating breaker;
2, rotation ground connection control lever shaft 7 is with ground connection cutter separating brake, and the locating part 14 on the ground connection control lever shaft 7 blocks the passage that cabinet gate interlock baffle plate 8 rises, and blocking lever 10 can not be mentioned, cabinet door 11 can not be opened, and breaker operator interlocking baffle plate 8 blocks opening button 4, and switch knob 5 can not operating breaker;
3, rotary isolation switch control lever shaft 6 closes a floodgate isolating switch, and the plate of dialling on the isolating switch driving shaft 3 drives breaker operator interlocking baffle plate 1 front end of opening button 4 and switch knob 5 is opened, line operate in the time of can be to circuit breaker;
4, press switch knob 5 with breaker closing, dead bolt 2 ejects, and breaker operator interlocking baffle plate 1 can not be mentioned, can not disconnecting switch operation control lever shaft 6 and ground connection control lever shaft 7.
The anti-interlocked operation devices of the utility model breaker cabinet five are the important measures that guarantee electric equipment and personal safety, can guarantee the safe operation of switch cubicle, prevent the personal safety accident that personnel's misoperation may cause and the damage of equipment; And reliably, flexibly, convenient operating maintenance is simple; Use stainless steel material to make to prevent corrosion, bite, assurance mechanism flexible.
Claims (1)
1. breaker cabinet five anti-interlocked operation devices include isolating switch driving shaft (3), isolating switch control lever shaft (6), and ground connection control lever shaft (7), the switch knob (5) and the opening button (4) of control circuit breaker is characterized in that:
A, in the outside of described ground connection control lever shaft (7) and described isolating switch control lever shaft (6) front end, up and down breaker operator interlocking baffle plate (1) and cabinet gate interlock baffle plate (8) are housed;
The side of B, described breaker operator interlocking baffle plate (1) is provided with and drives group plate that described breaker operator interlocking baffle plate (1) rises, and this group plate is fixedly attached on the described isolating switch driving shaft (3); Being equipped with one in a side of described breaker operator interlocking baffle plate (1) rising passway links with circuit breaker, be used to limit the dead bolt (2) that described breaker operator interlocking baffle plate (1) rises, described switch knob (5) and opening button (4) are located at the inboard of the operation aperture of described breaker operator interlocking baffle plate (1);
One side of C, described cabinet gate interlock baffle plate (8) is equipped with and drives the knob (9) that this cabinet gate interlock baffle plate (8) rises; The lateral surface of described ground connection control lever shaft (7) is equipped with the locating part (14) that the described cabinet gate interlock baffle plate of restriction (8) rises; The following blocking lever (10) that is used for sealed cabinet door (11) that is welded with of described cabinet gate interlock baffle plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020514763 CN201780898U (en) | 2010-09-02 | 2010-09-02 | Five-prevention interlock operating device for circuit breaker cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020514763 CN201780898U (en) | 2010-09-02 | 2010-09-02 | Five-prevention interlock operating device for circuit breaker cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780898U true CN201780898U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020514763 Expired - Lifetime CN201780898U (en) | 2010-09-02 | 2010-09-02 | Five-prevention interlock operating device for circuit breaker cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780898U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258670A (en) * | 2013-04-22 | 2013-08-21 | 广西银河迪康电气有限公司 | Loading switch cabinet program lock operating device |
| CN107507716A (en) * | 2017-07-26 | 2017-12-22 | 安徽驰纬电气有限公司 | A kind of looped network cabinet switch interlock |
| CN109494096A (en) * | 2018-12-30 | 2019-03-19 | 无锡双欢电气有限公司 | A kind of mechanical interlocking operating device of switchgear |
| CN115425565A (en) * | 2022-08-29 | 2022-12-02 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Five-prevention interlocking mechanism for distribution board cabinet |
-
2010
- 2010-09-02 CN CN 201020514763 patent/CN201780898U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258670A (en) * | 2013-04-22 | 2013-08-21 | 广西银河迪康电气有限公司 | Loading switch cabinet program lock operating device |
| CN103258670B (en) * | 2013-04-22 | 2016-01-20 | 广西银河迪康电气有限公司 | Loading switch cabinet procedure lock operating means |
| CN107507716A (en) * | 2017-07-26 | 2017-12-22 | 安徽驰纬电气有限公司 | A kind of looped network cabinet switch interlock |
| CN107507716B (en) * | 2017-07-26 | 2019-07-09 | 安徽驰纬电气有限公司 | A kind of looped network cabinet switch interlock |
| CN109494096A (en) * | 2018-12-30 | 2019-03-19 | 无锡双欢电气有限公司 | A kind of mechanical interlocking operating device of switchgear |
| CN109494096B (en) * | 2018-12-30 | 2024-04-09 | 无锡双欢电气有限公司 | Mechanical interlocking operation device of switch cabinet |
| CN115425565A (en) * | 2022-08-29 | 2022-12-02 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Five-prevention interlocking mechanism for distribution board cabinet |
| CN115425565B (en) * | 2022-08-29 | 2024-03-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Five-prevention interlocking mechanism for distribution board cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |