CN218568722U - Three-station clearance mechanism for 35KV circuit breaker - Google Patents
Three-station clearance mechanism for 35KV circuit breaker Download PDFInfo
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- CN218568722U CN218568722U CN202222968927.7U CN202222968927U CN218568722U CN 218568722 U CN218568722 U CN 218568722U CN 202222968927 U CN202222968927 U CN 202222968927U CN 218568722 U CN218568722 U CN 218568722U
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- isolation
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- 230000010405 clearance mechanism Effects 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 97
- 238000002955 isolation Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims description 35
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides a three station clearance mechanisms for 35KV circuit breaker, belong to circuit breaker technical field, including the output transmission shaft, the rotatable support of output transmission shaft is on the circuit breaker frame, the fixed cover of incomplete gear of output transmission is on the output transmission shaft, keep apart transmission shaft and ground connection transmission shaft rotatable support respectively on the circuit breaker frame and arrange the top and the below of output transmission shaft respectively, keep apart the fixed cover of incomplete gear and keep apart the transmission shaft, the fixed cover of incomplete gear of ground connection is on the ground connection transmission shaft, local tooth on the incomplete gear of output transmission is along with rotating be used for with the local tooth on the incomplete gear of isolation and the local tooth meshing on the incomplete gear of ground connection. The utility model discloses three station clearance mechanisms that constitute by incomplete gear train realize isolator and earthing switch's clearance motion, effectively avoid drawbacks and risks such as maloperation, difficult operation that prior art exists, realize reliable, practical and security completely.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, concretely relates to three station clearance mechanisms for 35KV circuit breaker.
Background
The existing disconnecting mechanism and grounding mechanism in the circuit breaker are both independent unit single operation, such as a disconnecting circuit breaker disclosed in patent No. CN201520072455.4, comprising: the device comprises an isolation circuit-breaking main operating mechanism, an arc extinguish chamber, a main disconnecting link operating mechanism, a grounding disconnecting link and moving and static contacts; the isolation circuit breaker main operating mechanism controls the arc extinguish chamber to switch on or switch off, the lower end of the arc extinguish chamber is connected with a wiring board, and the isolation circuit breaker main operating mechanism, the arc extinguish chamber and the wiring board are used as one side of the isolation circuit breaker; the grounding knife switch operating mechanism controls the grounding knife switch to be grounded. Although the isolation circuit breaker is compact in overall structure and high in reliability and safety, the isolation mechanism and the grounding mechanism are operated independently and singly, so that accidents are caused easily, five-prevention interlocking is difficult to realize and complex, misoperation and difficult operation are caused frequently, and personnel and equipment loss is caused. There is therefore a need for improvements.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the utility model provides a three station clearance mechanisms for 35KV circuit breaker, the utility model discloses three station clearance mechanisms that mainly constitute by incomplete gear train realize isolator and earthing switch's clearance motion, therefore can avoid drawback and risk such as maloperation, difficult operation that current isolator and earthing mechanism independent unit list operation exist completely, realize reliable, practical and security performance completely.
The utility model adopts the technical proposal that: the three-station clearance mechanism for the 35KV circuit breaker comprises an output transmission shaft, an output transmission incomplete gear, an isolation transmission shaft, an isolation incomplete gear, a grounding transmission shaft and a grounding incomplete gear; the rotatable support of output drive shaft is on the circuit breaker frame, the fixed cover of incomplete gear of output drive is on the output drive shaft, keep apart transmission shaft and ground connection transmission shaft rotatable support respectively on the circuit breaker frame and arrange the top and the below of output drive shaft respectively in, keep apart the fixed cover of incomplete gear and keep apart the transmission shaft, the fixed cover of incomplete gear of ground connection is on the ground connection transmission shaft, local tooth on the incomplete gear of output drive is used for and keeps apart local tooth meshing on the local tooth on the incomplete gear of local tooth and the incomplete gear of ground connection along with rotating.
The technical scheme is further limited, the circuit breaker further comprises a transmission motor, a transmission gear and an output pinion, wherein the transmission motor is fixed on the frame of the circuit breaker, the transmission gear is fixed on an output shaft of the transmission motor, the output pinion is fixedly sleeved on an output transmission shaft, and the output pinion is in adaptive meshing with the transmission gear.
The technical scheme is further limited, the output transmission incomplete gear, the isolation incomplete gear and the grounding incomplete gear are partially toothed incomplete gears, and the partial tooth ranges of the output transmission incomplete gear, the isolation incomplete gear and the grounding incomplete gear are 90 degrees.
The technical scheme is further limited, an isolation locking arc is arranged at the position of the edge, close to the left, of the local tooth on the isolation incomplete gear, and a grounding locking arc is arranged at the position of the edge, close to the right, of the local tooth on the grounding incomplete gear.
The technical scheme is further limited, the output pinion and the incomplete output transmission gear are fixedly sleeved on the output transmission shaft through flat keys, the incomplete isolation gear is fixedly sleeved on the isolation transmission shaft through flat keys, and the incomplete grounding gear is fixedly sleeved on the grounding transmission shaft through flat keys; the output transmission shaft is supported on the breaker frame through a bearing, and the isolation transmission shaft and the grounding transmission shaft are also supported on the breaker frame through bearings respectively.
The utility model has the advantages compared with the prior art:
1. the technical scheme mainly realizes the clearance motion of the isolating switch and the grounding switch by the three-station clearance mechanism consisting of incomplete gear sets to finish the whole working process, because the isolating mechanism and the grounding mechanism are of incomplete gear type, the closing and grounding mechanism of the isolating mechanism must be separated, the closing and isolating mechanism of the grounding mechanism must be separated, the isolating mechanism and the closing and isolating mechanism share one output shaft, and the three-station clearance mechanism relationship of interlocking is formed between the isolating mechanism and the grounding mechanism, the defects and risks of misoperation, difficult operation and the like existing in the single operation of the independent units of the existing isolating mechanism and the grounding mechanism can be completely avoided, and the reliable, practical and safe performance is completely realized;
2. in the scheme, the five-prevention interlocking of the three-station clearance mechanism realizes the clearance interlocking relationship between the isolation and the grounding through the locking arc, the structure is simpler and more reliable, and the operation is simpler.
3. This scheme can realize manual and motor drive's electronic dual-purpose, compares in traditional mechanism part about half less, need not complicated mechanical interlocking, therefore the security performance promotes, and the risk reduces, cost reduction.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
fig. 3 is a top view of the structure of the present invention;
FIG. 4 is a state diagram of the present invention during isolation switching on and grounding switching off;
fig. 5 is a state diagram of the present invention when the isolation switch-off and the grounding switch-on are performed.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Please refer to fig. 1-5, which illustrate an embodiment of the present invention.
Example 1: the three-station clearance mechanism for the 35KV circuit breaker comprises an output transmission shaft 6, an output transmission incomplete gear 4, an isolation transmission shaft 2, an isolation incomplete gear 1, a grounding transmission shaft 7 and a grounding incomplete gear 9; the circuit breaker comprises an output transmission shaft 6, an isolation transmission shaft 2, a grounding transmission shaft 7, an output incomplete gear 9, a flat key 3, a circuit breaker frame, an isolation incomplete gear, a grounding incomplete gear and a circuit breaker frame, wherein the output transmission shaft 6 is supported on the circuit breaker frame through the bearing, the output incomplete gear 4 is fixedly sleeved on the output transmission shaft 6 through the flat key 3, the isolation transmission shaft 2 and the grounding transmission shaft 7 are respectively supported on the circuit breaker frame through the bearing and are respectively arranged above and below the output transmission shaft 6, the isolation incomplete gear 1 is fixedly sleeved on the isolation transmission shaft 2 through the flat key 3, and the grounding incomplete gear 9 is fixedly sleeved on the grounding transmission shaft 7 through the flat key 3; the partial teeth on the output drive partial gear 4 are adapted to mesh with the partial teeth on the isolating partial gear 1 and the partial teeth on the ground partial gear 9 as they rotate.
Example 2: the circuit breaker is characterized by further comprising a transmission motor 8, a transmission gear 5 and an output pinion 10, wherein the transmission motor 8 is fixed on the breaker frame, the transmission gear 5 is fixed on an output shaft of the transmission motor 8, the output pinion 10 is fixedly sleeved on an output transmission shaft 6 through a flat key 3, and the output pinion 10 is meshed with the transmission gear 5 in a matching mode.
This embodiment 1's structure can realize manual drive, combines embodiment 2 structure to realize motor automatic drive on embodiment 1's structure basis to having manual and electronic dual-purpose structure, comparing and reducing about half in traditional mechanism part, need not complicated mechanical interlocking, consequently the security performance promotes, and the risk reduces, cost reduction.
Example 3: the output transmission incomplete gear 4, the isolation incomplete gear 1 and the grounding incomplete gear 9 are partially toothed incomplete gears, and the range of the partial teeth on the output transmission incomplete gear 4, the isolation incomplete gear 1 and the grounding incomplete gear 9 is 90 degrees.
An isolation locking arc 1-1 is arranged at the position of the edge, close to the left, of the local tooth on the isolation incomplete gear 1, and a grounding locking arc 9-1 is arranged at the position of the edge, close to the right, of the local tooth on the grounding incomplete gear 9. The five-prevention interlocking of the three-station gap mechanism realizes the gap interlocking relationship between isolation and grounding through a locking arc, and the three-station gap mechanism is simpler and more reliable in structure and simpler to operate.
This three station clearance mechanism theory of operation: the transmission motor 8 rotates clockwise to work to drive the transmission gear 5 installed on the transmission motor 8 to rotate, the transmission gear 5 rotates to drive the output pinion 10 installed on the output transmission shaft 6 to work, meanwhile, the output transmission incomplete gear 4 installed on the output transmission shaft 6 is driven to rotate, the output transmission incomplete gear 4 rotates anticlockwise to drive the isolation incomplete gear 1 installed on the isolation transmission shaft 2 to rotate clockwise for about 90 degrees, and then the isolation switch is switched off. And after the incomplete gear 4 continues to rotate anticlockwise to drive the incomplete gear 9 to rotate clockwise for about 90 degrees, the grounding switch is switched on. Thereby realizing separation clutch grounding.
The transmission motor 8 rotates anticlockwise to work, the transmission gear 5 installed on the transmission motor 8 is driven to rotate, the transmission gear 5 rotates to drive the output pinion 10 installed on the output transmission shaft 6 to work, meanwhile, the output transmission incomplete gear 4 installed on the output transmission shaft 6 is driven to rotate, the output transmission incomplete gear 4 rotates clockwise to drive the incomplete gear 9 installed on the grounding shaft 3 to rotate clockwise for about 90 degrees, the grounding switch is switched off, the incomplete gear 4 continues to rotate clockwise to drive the incomplete gear 4 to rotate anticlockwise for about 90 degrees, and the isolating switch is switched on. Thereby realizing the isolation of the branch ground and the junction.
The utility model discloses constitute three station clearance mechanisms by incomplete gear train and realize isolator and earthing switch's clearance motion, accomplish whole working process, because isolator and earthing mechanism are incomplete gear formula, isolator combined floodgate earthing mechanism must part, earthing mechanism combined floodgate isolator must part, an output shaft of their sharing, be the three station clearance relation of interlocking between them, therefore can avoid the maloperation that current isolator and earthing mechanism independent unit single operation exist completely, drawback and risk such as difficult operation, realize reliably completely, practicality and safety.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A three station clearance mechanisms for 35KV circuit breaker, its characterized in that: comprises an output transmission shaft (6), an output transmission incomplete gear (4), an isolation transmission shaft (2), an isolation incomplete gear (1), a grounding transmission shaft (7) and a grounding incomplete gear (9); output transmission shaft (6) rotatable support is on the circuit breaker frame, the fixed cover of incomplete gear of output transmission (4) is on output transmission shaft (6), keep apart transmission shaft (2) and ground connection transmission shaft (7) rotatable support respectively on the circuit breaker frame and arrange the top and the below of output transmission shaft (6) respectively in, keep apart incomplete gear (1) fixed cover on keeping apart transmission shaft (2), the fixed cover of incomplete gear of ground connection (9) is on ground connection transmission shaft (7), local tooth on the incomplete gear of output transmission (4) is used for with the local tooth on the incomplete gear of isolation (1) and the local tooth meshing on the incomplete gear of ground connection (9) along with rotating.
2. The three-position gap mechanism for a 35KV circuit breaker of claim 1, wherein: still include drive motor (8), drive gear (5) and output pinion (10), drive motor (8) are fixed on the circuit breaker frame, drive gear (5) are fixed on the output shaft of drive motor (8), output pinion (10) are fixed the cover on output transmission shaft (6), output pinion (10) and drive gear (5) adaptation meshing.
3. A three-position gap mechanism for a 35KV circuit breaker according to claim 1 or 2, characterized in that: the output transmission incomplete gear (4), the isolation incomplete gear (1) and the grounding incomplete gear (9) are partially toothed incomplete gears, and the partial tooth ranges on the output transmission incomplete gear (4), the isolation incomplete gear (1) and the grounding incomplete gear (9) are 90 degrees.
4. The three-position gap mechanism for a 35KV circuit breaker of claim 3, wherein: an isolation locking arc (1-1) is arranged at the position of the edge, close to the left, of the local tooth on the isolation incomplete gear (1), and a grounding locking arc (9-1) is arranged at the position of the edge, close to the right, of the local tooth on the grounding incomplete gear (9).
5. The three-position gap mechanism for a 35KV circuit breaker of claim 2, wherein: the output pinion (10) and the output incomplete transmission gear (4) are fixedly sleeved on the output transmission shaft (6) through flat keys (3), the isolation incomplete gear (1) is fixedly sleeved on the isolation transmission shaft (2) through the flat keys (3), and the grounding incomplete gear (9) is fixedly sleeved on the grounding transmission shaft (7) through the flat keys (3); the output transmission shaft (6) is supported on the breaker frame through a bearing, and the isolation transmission shaft (2) and the grounding transmission shaft (7) are also respectively supported on the breaker frame through bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222968927.7U CN218568722U (en) | 2022-11-08 | 2022-11-08 | Three-station clearance mechanism for 35KV circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222968927.7U CN218568722U (en) | 2022-11-08 | 2022-11-08 | Three-station clearance mechanism for 35KV circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218568722U true CN218568722U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222968927.7U Active CN218568722U (en) | 2022-11-08 | 2022-11-08 | Three-station clearance mechanism for 35KV circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218568722U (en) |
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2022
- 2022-11-08 CN CN202222968927.7U patent/CN218568722U/en active Active
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| GR01 | Patent grant | ||
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Address after: 721000 Plant 2, Panlong High-tech Innovation Service Center, Panlong Town, Jintai District, Baoji City, Shaanxi Province Patentee after: Elson Electric Co.,Ltd. Address before: 721000 Plant 2, Panlong High-tech Innovation Service Center, Panlong Town, Jintai District, Baoji City, Shaanxi Province Patentee before: Shaanxi Elson Electric Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |