CN114068229B - Three-station isolating switch integrated operating mechanism for breaker for switch cabinet - Google Patents
Three-station isolating switch integrated operating mechanism for breaker for switch cabinet Download PDFInfo
- Publication number
- CN114068229B CN114068229B CN202111397986.7A CN202111397986A CN114068229B CN 114068229 B CN114068229 B CN 114068229B CN 202111397986 A CN202111397986 A CN 202111397986A CN 114068229 B CN114068229 B CN 114068229B
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- cross
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- curb plate
- shaft
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- 230000010354 integration Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000005381 potential energy Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a three-station disconnecting switch integrated operating mechanism for a breaker for a switch cabinet, relates to the field of breakers, and aims at solving the problems that a breaker in the breaker cannot be operated integrally in three stations and the like. The device possesses the cross main shaft and will drive first gear rotation when the pivoted, the rotation of two second gears opposite directions of first gear engagement, simultaneously with the second bent arm that opens circuit the same, first bent arm that opens circuit also is connected with two other stations on the circuit breaker through first fixing bolt, and receive under the rotation effect of cross auxiliary shaft, first bent arm that opens circuit two other circuit breaker stations, and then realize three station an organic whole operation of opening circuit, and reset spring's elastic potential energy forces the gyration that first pivot can be quick to original position, realizes quick realization combined floodgate.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to an integrated operating mechanism of a three-station disconnecting switch of a circuit breaker for a switch cabinet.
Background
The circuit breaker is widely used in industrial production and daily life, and has the main functions of switching on and off a loop, namely an air switch, a safety brake and a fuse-free switch, and the circuit breaker can cut off the circuit under the conditions of short circuit and serious overload, so that electric appliances in the loop are effectively protected, and the circuit breaker for high voltage, most commonly a gas circuit breaker and a vacuum circuit breaker, is adopted in a power system of 35kV and below, and the vacuum circuit breaker is mainly adopted; the electric power system above 35kV adopts a gas circuit breaker (SF 6 circuit breaker), most of the circuit breakers cannot realize the simultaneous operation of multi-station knife switches, and when the circuit breakers are switched on, quick switching on cannot be realized, so that the three-station isolating switch integrated operating mechanism for the circuit breaker for the switch cabinet is provided.
Disclosure of Invention
Object of the invention
In order to solve the technical problems in the background art, the invention provides an integrated operating mechanism of a three-station disconnecting switch for a switch cabinet, which is provided with a cross main shaft, a first gear is driven to rotate while rotating, two second gears meshed with the first gear rotate in opposite directions, and meanwhile, the first breaking bent arm is identical to a second breaking bent arm, the first breaking bent arm is also connected with other two stations on the circuit breaker through a first fixing bolt, under the rotating action of the cross auxiliary shaft, the first breaking bent arm breaks the other two circuit breaker stations, so that the three-station integrated breaking operation is realized, the elastic potential energy of a reset spring and the extrusion force between a first movable plate and a second movable plate force the first rotating shaft to be quickly rotated to the original position, the quick closing is realized, the screwing of a screwing switch can obviously feel the resistance formed between the reset spring and the first movable plate and the second movable plate, and further the breaking operation can be perceived.
(II) technical scheme
The invention provides a three-station isolating switch integrated operating mechanism for a circuit breaker for a switch cabinet, which comprises a first side plate and a second side plate, wherein supporting columns are welded at four corners of one side, close to each other, of the first side plate and the second side plate, one end, far away from the first side plate, of each supporting column penetrates through and extends to the left side of the second side plate, one end, located on the left side of the second side plate, of each supporting column is welded with a limiting panel, one side, close to the second side plate, of each limiting panel is respectively connected with two cross auxiliary shafts and one cross main shaft in a rotating mode, penetrating through and extending to the right side of the second side plate, one ends, located on the right side of the second side plate, of each cross main shaft and each cross auxiliary shaft are respectively connected with one side, close to the second side plate, of each cross auxiliary shaft is welded with a first fixed sleeve, each outer ring of each cross auxiliary shaft is welded with a first breaking bent arm, each outer ring of each cross main shaft is welded with a second fixed sleeve, and each outer ring of each second fixed sleeve is welded with a second breaking bent arm.
As a preferable scheme of the invention, a section of outer ring of the cross auxiliary shaft far from the first fixed sleeve is welded with a second gear, a section of outer ring of the cross main shaft far from the second fixed sleeve is welded with a first gear, and the first gear and the two second gears are meshed with each other.
As a preferable scheme of the invention, one end of the second breaking bent arm far away from the second fixed sleeve is sleeved with a second fixed bolt, both ends of the second fixed bolt are respectively provided with a first nut, one end of the first breaking bent arm far away from the first fixed sleeve is sleeved with a first fixed bolt, and both ends of the first fixed bolt are respectively sleeved with a second nut.
As a preferable scheme of the invention, the joints of the cross auxiliary shaft and the cross main shaft and the limiting panel are respectively provided with a rotating column, and the rotating columns positioned on the cross main shaft are also welded with a screwing switch.
As a preferable scheme of the invention, one end of the cross main shaft, which is positioned on the right side of the first side plate, is welded with a first rotating shaft, one end of the first rotating shaft, which is far away from the cross main shaft, is welded with two first movable plates, one ends of the first movable plates, which are far away from the first rotating shaft, are hinged with second movable plates, one ends of the second movable plates, which are far away from the first movable plates, are hinged with second rotating shafts, one ends of the second rotating shafts, which are far away from the second movable plates, are respectively welded with one ends of the cross auxiliary shaft, which are close to the first side plate, and one sides of the first movable plates and the second movable plates, which are close to each other, are provided with reset springs.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial technical effects:
1. the device realizes that the second fixed sleeve is stressed and rotates the second breaking bent arm when the cross main shaft rotates through installing the structures such as the cross main shaft, the second breaking bent arm is fixed with a knife switch in a first station of the breaker through a second fixed bolt, so that the first station is used for breaking, the cross main shaft rotates and drives the first gear to rotate, and the two second gears meshed with the first gear rotate in opposite directions, so that the two first fixed sleeves start to rotate the first breaking bent arm, and meanwhile, the first breaking bent arm is connected with the other two stations on the breaker through the first fixed bolt and is under the rotation action of the cross auxiliary shaft, and the three-station integrated breaking operation is realized.
2. And when implementing the operation of closing a floodgate to the circuit breaker, will twist the reverse of switch and twist the extrusion force between the action and the second fly leaf of spring and first fly leaf in accompanying reverse, compel the gyration that first pivot can be quick to original position, realize quick realization closing a floodgate, and twist the resistance that forms between the first fly leaf of return spring and the second fly leaf when the time of breaking a circuit and twist the switch soon and can be obvious to feel, and then can perception the going on of the operation of breaking a circuit.
In summary, this device possesses that the cross main shaft will drive first gear rotation when rotating, the rotation of two second gears opposite directions of first gear engagement, simultaneously with the second circuit breaking bent arm the same, first circuit breaking bent arm is also connected with two other stations on the circuit breaker through first fixing bolt, and receive under the rotatory effect of cross auxiliary shaft, first circuit breaking bent arm opens circuit with two other circuit breaker stations, and then realize the integrative operation of opening circuit of three stations, and the elastic potential energy of reset spring and the extrusion force between first fly leaf and the second fly leaf, force the gyration that first pivot can be quick to original position, realize quick realization combined floodgate, and the rotatory resistance that forms between rotatory switch when opening circuit can obviously be felt reset spring and first fly leaf and the second fly leaf, and then the operation of opening circuit can be perceived.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an integrated operating mechanism of a three-station disconnecting switch for a circuit breaker for a switch cabinet.
Fig. 2 is a schematic diagram of a cross main shaft structure of an integrated operating mechanism of a three-station disconnecting switch of a circuit breaker for a switch cabinet.
Fig. 3 is a schematic diagram of a cross auxiliary shaft structure of an integrated operating mechanism of a three-station disconnecting switch of a circuit breaker for a switch cabinet.
Fig. 4 is a schematic diagram of a limit panel structure of an integrated operation mechanism of a three-station disconnecting switch of a circuit breaker for a switch cabinet.
Fig. 5 is a schematic diagram of a return spring structure of an integrated operating mechanism of a three-station disconnecting switch of a circuit breaker for a switch cabinet.
Reference numerals: 1. a first side plate; 2. a cross auxiliary shaft; 3. a first breaking bent arm; 4. a first fixing bolt; 5. a limit panel; 6. a first fixed sleeve; 7. a second side plate; 8. a second breaking bent arm; 9. a second fixed sleeve; 10. a second fixing bolt; 11. a cross main shaft; 12. a first gear; 13. rotating the column; 14. screwing the switch; 15. a second gear; 16. a support column; 17. a first rotating shaft; 18. a first movable plate; 19. a return spring; 20. a second rotating shaft; 21. and a second movable plate.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.
Embodiment one: referring to fig. 1-5, an integrated operating mechanism of a three-station disconnecting switch for a switch cabinet comprises a first side plate 1 and a second side plate 7, wherein supporting columns 16 are welded at four corners of one side, close to each other, of the first side plate 1 and the second side plate 7, one end, far away from the first side plate 1, of each supporting column 16 penetrates through and extends to the left side of the second side plate 7, one end, located on the left side of the second side plate 7, of each supporting column 16 is welded with a limiting panel 5, one side, close to the second side plate 7, of each limiting panel 5 is respectively connected with two cross auxiliary shafts 2 and one cross main shaft 11 penetrating through and extending to the right side of the second side plate 7 in a rotating manner, one ends, located on the right side of the second side plate 7, of each cross main shaft 11 and each cross auxiliary shaft 2 are respectively connected with one side, close to the second side plate 7, of each cross auxiliary shaft 2 is welded with a first fixing sleeve 6, each outer ring of each first fixing sleeve 6 is welded with a first breaking arm 3, each outer ring of each cross main shaft 11 is welded with a second fixing sleeve 9, and each outer ring of each second fixing sleeve 9 is welded with a second breaking arm 8.
Embodiment two: referring to fig. 1-5, on the basis of the first embodiment, a three-station disconnecting switch integrated operating mechanism for a switch cabinet is provided, a section of outer ring of a cross auxiliary shaft 2, which is far away from a first fixed sleeve 6, is welded with a second gear 15, a section of outer ring of a cross main shaft 11, which is far away from a second fixed sleeve 9, is welded with a first gear 12, the first gear 12 and the two second gears 15 are meshed with each other, one end of a second circuit breaking bent arm 8, which is far away from the second fixed sleeve 9, is sleeved with a second fixed bolt 10, the second fixed sleeve 9 is stressed and rotates the second circuit breaking bent arm 8 while the cross main shaft 11 rotates, the second circuit breaking bent arm 8 is fixed with a knife in a first station of the switch through the second fixed bolt 10, thus the first station realizes circuit breaking, both ends of the second fixed bolt 10 are provided with first nuts, the first breaking bent arm 3 is sleeved with a first fixing bolt 4 at one end far away from the first fixing sleeve 6, two ends of the first fixing bolt 4 are sleeved with second nuts, the joint of the cross auxiliary shaft 2 and the cross main shaft 11 and the limiting panel 5 is provided with a rotating column 13, the cross main shaft 11 rotates while driving the first gear 12 to rotate, and two second gears 15 meshed with the first gear 12 rotate in opposite directions, so that the two first fixing sleeves 6 start to rotate the first breaking bent arm 3, and simultaneously, the first breaking bent arm 3 is connected with other two stations on the circuit breaker through the first fixing bolt 4, under the rotating action of the cross auxiliary shaft 2, the first breaking bent arm 3 breaks the circuit of the other two circuit breaker stations, and further three-station integrated breaking operation is realized, the rotary column 13 on the cross main shaft 11 is also welded with a screw switch 14.
Embodiment III: referring to fig. 1-5, based on the second embodiment, a three-station disconnecting switch integrated operating mechanism for a circuit breaker is provided, a first rotating shaft 17 is welded at one end of a cross main shaft 11, which is located on the right side of a first side plate 1, two first movable plates 18 are welded at one end of the first rotating shaft 17, which is far away from the first rotating shaft 17, a second movable plate 21 is hinged at one end of the first movable plate 18, which is far away from the first movable plate 18, a second rotating shaft 20 is hinged at one end of the second movable plate 21, when the circuit breaker is operated, the screwing switch 14 is reversely screwed, and when the screwing switch 14 is accompanied with the reverse screwing action, the elastic potential energy of the reset spring 19 and the extrusion force between the first movable plate 18 and the second movable plate 21 force the first rotating shaft 17 to be quickly rotated to the original position, so that the quick closing is realized, when the circuit breaker is opened, the screwing of the screwing switch 14 can obviously sense the reset spring 19 and the first movable plate 18 and the second movable plate 21, the operation of the cross resistance formed between the first movable plate 18 and the second movable plate 21 is far away from the first movable plate 21, and the second movable plate 21 is further sensed, and the reset spring is close to the first side 21 is arranged on one side of the first movable plate, and the second movable plate 21 is adjacent to the first movable plate 21, and the second movable plate is welded, and the opposite side is adjacent to the first movable plate 21, and the movable plate is respectively.
The working principle and the concrete explanation of the invention:
when the circuit breaker is opened, the screwing switch 14 is screwed, the cross main shaft 11 which is pulled by the rotating force of the screwing switch 14 rotates according to the screwing direction of the screwing switch 14, the second fixing sleeve 9 is stressed and rotates the second circuit breaking bent arm 8 when the cross main shaft 11 rotates, the second circuit breaking bent arm 8 is fixed with a knife in a first station of the circuit breaker through the second fixing bolt 10, so that the first station is opened, the cross main shaft 11 rotates while driving the first gear 12 to rotate, and the two second gears 15 meshed with the first gear 12 rotate in opposite directions, so that the two first fixing sleeves 6 start to rotate the first circuit breaking bent arm 3, and meanwhile, the first circuit breaking bent arm 3 is connected with the other two stations on the circuit breaker through the first fixing bolt 4 under the rotating action of the cross auxiliary shaft 2, and the first circuit breaking bent arm 3 opens the other two circuit breaker stations, so that the three-station integrated operation is realized.
And when the cross auxiliary shaft 2 and the cross main shaft 11 rotate to realize the disconnection, the first rotating shaft 17 positioned at the tail end of the cross main shaft 11 is forced to rotate the two first movable plates 18 under the influence of the rotation of the cross main shaft 11, the first movable plates 18 apply extrusion and rotating force to the second movable plates 21 at two sides, and the extrusion of the reset spring 19 is accompanied, when the circuit breaker is operated to close, the screwing switch 14 is reversely screwed, and when the screwing switch 14 is accompanied with the reverse screwing action, the elastic potential energy of the reset spring 19 and the extrusion force between the first movable plates 18 and the second movable plates 21 force the first rotating shaft 17 to quickly rotate to the original position to realize the quick disconnection, and when the circuit breaker is disconnected, the screwing of the screwing switch 14 can obviously feel the resistance formed between the reset spring 19 and the first movable plates 18 and the second movable plates 21, so that the disconnection operation can be perceived.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a three station isolator integration operating device for switch cabinet, includes first curb plate (1) and second curb plate (7), a serial communication port, one side four corners welding that first curb plate (1) and second curb plate (7) are close to each other has support column (16), wherein one end that first curb plate (1) was kept away from to support column (16) runs through and extends to the left side of second curb plate (7), one end that support column (16) are located the left side of second curb plate (7) has welded spacing panel (5), one side that spacing panel (5) are close to second curb plate (7) is rotated respectively and is connected with two cross auxiliary shafts (2) and a cross main shaft (11) that run through and extend to the right side of second curb plate (7), one end that cross main shaft (11) and cross auxiliary shaft (2) are located the right side of second curb plate (7) all rotates with one side that first curb plate (1) is close to second curb plate (7) and is connected, the outer lane of cross auxiliary shaft (2) has all welded first fixed sleeve (6), the first outer lane (3) of first fixed sleeve (9) have welded outer lane (9), the outer ring of the section of the cross auxiliary shaft (2) far away from the first fixed sleeve (6) is welded with a second gear (15), the outer ring of the section of the cross main shaft (11) far away from the second fixed sleeve (9) is welded with a first gear (12), and the first gear (12) and the two second gears (15) are meshed with each other.
2. The three-station disconnecting switch integrated operating mechanism for the circuit breaker for the switch cabinet according to claim 1, wherein one end of the second circuit breaking bent arm (8) far away from the second fixed sleeve (9) is sleeved with a second fixed bolt (10), two ends of the second fixed bolt (10) are respectively provided with a first nut, one end of the first circuit breaking bent arm (3) far away from the first fixed sleeve (6) is sleeved with a first fixed bolt (4), and two ends of the first fixed bolt (4) are respectively sleeved with a second nut.
3. The three-station disconnecting switch integrated operating mechanism for the circuit breaker for the switch cabinet according to claim 1 is characterized in that rotating columns (13) are arranged at the joints of the cross auxiliary shaft (2) and the cross main shaft (11) and the limit panel (5), and the rotating columns (13) positioned on the cross main shaft (11) are welded with a screwing switch (14).
4. The integrated operating mechanism for the three-station disconnecting switch of the circuit breaker for the switch cabinet according to claim 1, wherein one end of the cross main shaft (11) located on the right side of the first side plate (1) is welded with a first rotating shaft (17), one end of the first rotating shaft (17) away from the cross main shaft (11) is welded with two first movable plates (18), one end of the first movable plate (18) away from the first rotating shaft (17) is hinged with a second movable plate (21), one end of the second movable plate (21) away from the first movable plate (18) is hinged with a second rotating shaft (20), one end of the second rotating shaft (20) away from the second movable plate (21) is welded with one end of the cross auxiliary shaft (2) close to the first side plate (1), and one sides of the first movable plate (18) and the second movable plate (21) close to each other are provided with reset springs (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111397986.7A CN114068229B (en) | 2021-11-19 | 2021-11-19 | Three-station isolating switch integrated operating mechanism for breaker for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111397986.7A CN114068229B (en) | 2021-11-19 | 2021-11-19 | Three-station isolating switch integrated operating mechanism for breaker for switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114068229A CN114068229A (en) | 2022-02-18 |
| CN114068229B true CN114068229B (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111397986.7A Active CN114068229B (en) | 2021-11-19 | 2021-11-19 | Three-station isolating switch integrated operating mechanism for breaker for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114068229B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009026578A (en) * | 2007-07-19 | 2009-02-05 | Mitsubishi Electric Corp | Device for operating three-position switch |
| CN103177901A (en) * | 2012-12-24 | 2013-06-26 | 刘晓颖 | Three-position switch operating mechanism |
| CN203179777U (en) * | 2012-12-07 | 2013-09-04 | 浙宝电气(杭州)集团有限公司 | Three-station operation mechanism |
| CN103325588A (en) * | 2013-07-01 | 2013-09-25 | 北京电研华源电力技术有限公司 | Three-station insulation earthing switch |
| CN203871254U (en) * | 2014-05-29 | 2014-10-08 | 厦门兴厦控电气有限公司 | Operating mechanism of three-station isolation switch |
| CN204441173U (en) * | 2015-03-27 | 2015-07-01 | 湖北网安科技有限公司 | A kind of two Three-Position Switch Operate Institutions |
| CN214012814U (en) * | 2021-01-12 | 2021-08-20 | 苏州兰姆达电气有限公司 | Three-station isolation grounding switch operating mechanism |
-
2021
- 2021-11-19 CN CN202111397986.7A patent/CN114068229B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009026578A (en) * | 2007-07-19 | 2009-02-05 | Mitsubishi Electric Corp | Device for operating three-position switch |
| CN203179777U (en) * | 2012-12-07 | 2013-09-04 | 浙宝电气(杭州)集团有限公司 | Three-station operation mechanism |
| CN103177901A (en) * | 2012-12-24 | 2013-06-26 | 刘晓颖 | Three-position switch operating mechanism |
| CN103325588A (en) * | 2013-07-01 | 2013-09-25 | 北京电研华源电力技术有限公司 | Three-station insulation earthing switch |
| CN203871254U (en) * | 2014-05-29 | 2014-10-08 | 厦门兴厦控电气有限公司 | Operating mechanism of three-station isolation switch |
| CN204441173U (en) * | 2015-03-27 | 2015-07-01 | 湖北网安科技有限公司 | A kind of two Three-Position Switch Operate Institutions |
| CN214012814U (en) * | 2021-01-12 | 2021-08-20 | 苏州兰姆达电气有限公司 | Three-station isolation grounding switch operating mechanism |
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| Publication number | Publication date |
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| CN114068229A (en) | 2022-02-18 |
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