CN204966331U - Interlock of high voltage isolator and circuit breaker - Google Patents
Interlock of high voltage isolator and circuit breaker Download PDFInfo
- Publication number
- CN204966331U CN204966331U CN201520475888.4U CN201520475888U CN204966331U CN 204966331 U CN204966331 U CN 204966331U CN 201520475888 U CN201520475888 U CN 201520475888U CN 204966331 U CN204966331 U CN 204966331U
- Authority
- CN
- China
- Prior art keywords
- interlocking
- interlocking shaft
- fanning strip
- circuit breaker
- lock pin
- 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.)
- Expired - Fee Related
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- Switch Cases, Indication, And Locking (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a high voltage isolator and circuit breaker interlock, it includes: circuit breaker output turning arm, in flakes, sector plate, locating plate, interlocking axle, stop gear and canceling release mechanical system, CS operating device is including being used for the lockpin of isolator fixing of handles in the divide -shut brake position, when interlocking axle quilt the sector plate is clapped and is closed feasible interlocking axle the other end is in interlocking cover internal motion up to with when the lockpin was located the coplanar, the lockpin can not be extracted, and CS operating device can not operate, when when the interlocking axle resets, the interlocking spindle nose is not a plane with the lockpin, and the lockpin can be extracted, and CS operating device can operate. The utility model discloses reliability, security, validity are higher, and easy operation is suitable for the popularization.
Description
Technical field
The utility model relates to technical field of power systems, particularly a kind of high voltage isolator and circuit breaker interlocking device.
Background technology
Along with the fast development of assembled electric assembling industry, high voltage switchgear is widely used, press solidly particularly and determine switchgear and be widely used in the secondary substation of large industrial enterprise, regional electric substation, stepdown substation, power plant and big-and-middle-sized experiment station.As hard-wired metal switch apparatus and control appliance, in order to protect and convenient operation, require, to the different elements installing interlocking of equipment, to pay the utmost attention to mechanical interlocking when designing.With regard to the interlocking of isolating switch and circuit breaker, usually consider not allow disconnecting switch operation when breaker closing, when just carrying out breaking-closing operating to isolating switch after breaker open operation, the satisfied anti-requirement of machinery five not allowing on-load push-and-pull isolating switch.Usually realize isolating switch breaking-closing operating by push-and-pull CS operating mechanism handle, this mechanism adopts lever principle, is connected, realize isolating switch and divide closing operation by steel pipe with isolating switch rotating shaft.
At present, state's inner breaker and isolating switch interlock method many employings steel wire rope mode are interlocked, this kind of interlock method due to the aspect such as intensity and reliability of steel wire rope poor, safety-type, reliability are poor.
Utility model content
Because described in background technology, be necessary to provide a kind of can effectively improve interlock between circuit breaker and isolating switch reliability, fail safe, the novel high voltage isolator of validity and the interlock of circuit breaker.
The utility model is achieved through the following technical solutions:
A kind of high voltage isolator and circuit breaker interlocking device, it comprises:
Circuit breaker output toggle arm, in flakes, fanning strip, location-plate, interlocking shaft, position-limit mechanism and resetting device; Described connecting lever and described one end pivot joint in flakes, the side pivot joint of the described other end in flakes and described fanning strip, the opposite side of described fanning strip and described location-plate pivot joint, described fanning strip plane can be clapped with one end of described interlocking shaft and be closed; Be provided with through interlocking band in high-voltage fixing cabinet cabinet, the other end of described interlocking shaft can stretch discrepancy in described interlocking band; Described position-limit mechanism and resetting device are all arranged between described high-voltage board and fanning strip, and position-limit mechanism stretches into length in interlocking band for limiting interlocking shaft, and resetting device is used for interlocking shaft resilience is resetted; Described CS operating mechanism comprises the lock pin for isolating switch handle being fixed on divide-shut brake position; Being clapped conjunction when described interlocking shaft by described fanning strip makes the described other end of interlocking shaft move until when being positioned at same plane with described lock pin in described interlocking band, and lock pin can not be extracted, and CS operating mechanism can not operate; When described interlocking shaft resets, described interlocking spindle nose and lock pin are not a plane, and lock pin can be extracted, and CS operating mechanism can operate.
Preferably, described position-limit mechanism comprises a stop collar, it is fixed on the side of described high-voltage fixing cabinet, communicate with described interlocking band, its running-on is relative with described fanning strip interval, described one end of described interlocking shaft is clapped to be combined in stop collar by described fanning strip and is moved into and passes described interlocking band, and described stop collar stops that the further bat of described fanning strip to interlocking shaft is pressed thus limit the further motion of described interlocking shaft.
Preferably, described resetting device comprises limiting plate and stage clip, and described limiting plate is fixed on the position of close described one end of described interlocking shaft, and it is axial vertical with interlocking shaft; Described stage clip is arranged between described high-voltage fixing cabinet and described limiting plate, is sheathed on outside described stop collar.
Wherein, rotarily drive when described circuit breaker output toggle arm closes a floodgate and move up and down in flakes; Described in flakes by the rotation of connecting lever drive fanning strip; Described fanning strip is by driving in flakes, and location-plate is fixed; Described location-plate plays fanning strip axial-rotation by locating shaft; Described interlocking shaft is clapped conjunction realization by fanning strip and is seesawed; Described stage clip plays the reset response of interlocking shaft; Described stop collar plays the limit function of interlocking shaft; Described interlocking band realizes guiding and the fixed function of interlocking shaft; Described lock pin realizes the lock function of mechanism by the stretching of pin; The conjunction that described CS operating mechanism realizes isolating switch by push-and-pull divides.
Relative to prior art, the utility model reliability, fail safe, validity are higher, simple to operate, are suitable for promoting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the lock pin position view of the utility model embodiment.
In figure, the corresponding relation of each parts mod sum label is: 1: circuit breaker output toggle arm; 2: in flakes; 3: fanning strip; 4: location-plate; 5: interlocking shaft; 6: stage clip; 7: stop collar; 8: interlocking band; 9: lock pin; 10:CS operating mechanism; 11: limiting plate; 12: high-voltage fixing cabinet.
Specific embodiments
Below in conjunction with drawings and Examples, the utility model specific embodiments is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Fig. 1 and 2, during breaker closing:
Circuit breaker output toggle arm 1 turns clockwise and pulls in flakes 2,2 drive fanning strip 3. fanning strip 3 side and location-plate 4 to be fixed by bearing pin in flakes simultaneously, opposite side passes through 2 drives in flakes and is rotated down, fanning strip plane and interlocking shaft 5 are clapped and are closed, and interlocking shaft travels forward in interlocking band 8, is limited in fixed position by stop collar, now interlocking shaft is ejected, interlocking spindle nose and lock pin 9 are same plane, and lock pin 9 can not be extracted, and CS operating mechanism can not operate.Isolating switch inoperable five anti-interlock requirements when meeting breaker closing.The effect of limiting plate 11 is to coordinate with stop collar 7 to realize the spacing of interlocking shaft.
During breaker open operation:
Circuit breaker output toggle arm 1 is rotated counterclockwise and pulls in flakes 2,2 drive fanning strip 3. fanning strip 3 side and location-plate 4 to be fixed by bearing pin in flakes simultaneously, opposite side passes through 2 drives in flakes and rotates up, fanning strip resets, interlocking shaft resets under the effect of stage clip 6, and now interlocking shaft is retracted, and interlocking spindle nose and lock pin 9 are a plane, lock pin 9 can be extracted, and CS operating mechanism can operate.Isolating switch inoperable five anti-interlock requirements when meeting breaker closing.The effect of limiting plate 11 is to coordinate with stage clip 6 reset realizing interlocking shaft.
Above embodiment can be found out, the device that the utility model example provides is simple, reliable, can meet the mechanical interlocking relation of high-voltage fixing cabinet complexity.
The above is only the utility model preferred implementation; should be understood that for those skilled in the art; under the prerequisite not departing from the utility model know-why, can also carry out some improvement and modification, these improve and modification also should be considered as the utility model protection range.
Claims (3)
1. high voltage isolator and a circuit breaker interlocking device, is characterized in that: it comprises:
Circuit breaker output toggle arm, in flakes, fanning strip, location-plate, interlocking shaft, position-limit mechanism and resetting device; Described connecting lever and described one end pivot joint in flakes, the side pivot joint of the described other end in flakes and described fanning strip, the opposite side of described fanning strip and described location-plate pivot joint, described fanning strip plane can be clapped with one end of described interlocking shaft and be closed; Be provided with through interlocking band in high-voltage fixing cabinet cabinet, the other end of described interlocking shaft can stretch discrepancy in described interlocking band; Described position-limit mechanism and resetting device are all arranged between described high-voltage board and fanning strip, and position-limit mechanism stretches into length in interlocking band for limiting interlocking shaft, and resetting device is used for interlocking shaft resilience is resetted; CS operating mechanism comprises the lock pin for isolating switch handle being fixed on divide-shut brake position; Being clapped conjunction when described interlocking shaft by described fanning strip makes the described other end of interlocking shaft move until when being positioned at same plane with described lock pin in described interlocking band, and lock pin can not be extracted, and CS operating mechanism can not operate; When described interlocking shaft resets, described interlocking spindle nose and lock pin are not a plane, and lock pin can be extracted, and CS operating mechanism can operate.
2. high voltage isolator according to claim 1 and circuit breaker interlocking device, it is characterized in that: described position-limit mechanism comprises a stop collar, it is fixed on the side of described high-voltage fixing cabinet, communicate with described interlocking band, its running-on is relative with described fanning strip interval, described one end of described interlocking shaft is clapped to be pressed in stop collar by described fanning strip and is moved into and passes described interlocking band, and described stop collar stops that the further bat of described fanning strip to interlocking shaft is pressed thus limit the further motion of described interlocking shaft.
3. high voltage isolator according to claim 2 and circuit breaker interlocking device, it is characterized in that: described resetting device comprises limiting plate and stage clip, described limiting plate is fixed on the position of close described one end of described interlocking shaft, and it is axial vertical with interlocking shaft; Described stage clip is arranged between described high-voltage fixing cabinet and described limiting plate, is sheathed on outside described stop collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520475888.4U CN204966331U (en) | 2015-07-06 | 2015-07-06 | Interlock of high voltage isolator and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520475888.4U CN204966331U (en) | 2015-07-06 | 2015-07-06 | Interlock of high voltage isolator and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204966331U true CN204966331U (en) | 2016-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520475888.4U Expired - Fee Related CN204966331U (en) | 2015-07-06 | 2015-07-06 | Interlock of high voltage isolator and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204966331U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409594A (en) * | 2016-06-28 | 2017-02-15 | 湖南长高电气有限公司 | Mechanical locking device for isolating spring mechanism of circuit breaker |
| CN108381801A (en) * | 2018-04-25 | 2018-08-10 | 黄山全晟密封科技有限公司 | One kind can uniformly heated robber materials production agitating device |
| CN110571091A (en) * | 2019-09-25 | 2019-12-13 | 北京合锐清合电气有限公司 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
-
2015
- 2015-07-06 CN CN201520475888.4U patent/CN204966331U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409594A (en) * | 2016-06-28 | 2017-02-15 | 湖南长高电气有限公司 | Mechanical locking device for isolating spring mechanism of circuit breaker |
| CN108381801A (en) * | 2018-04-25 | 2018-08-10 | 黄山全晟密封科技有限公司 | One kind can uniformly heated robber materials production agitating device |
| CN110571091A (en) * | 2019-09-25 | 2019-12-13 | 北京合锐清合电气有限公司 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20190706 |