CN216902602U - Interlocking device and looped netowrk cabinet of looped netowrk cabinet - Google Patents
Interlocking device and looped netowrk cabinet of looped netowrk cabinet Download PDFInfo
- Publication number
- CN216902602U CN216902602U CN202220318236.XU CN202220318236U CN216902602U CN 216902602 U CN216902602 U CN 216902602U CN 202220318236 U CN202220318236 U CN 202220318236U CN 216902602 U CN216902602 U CN 216902602U
- Authority
- CN
- China
- Prior art keywords
- plate
- shaft
- interlocking
- circuit breaker
- grounding
- 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.)
- Active
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to the technical field of electrical equipment, in particular to an interlocking mechanism of a ring main unit and the ring main unit, wherein the interlocking mechanism comprises an isolation operation shaft, a grounding interlocking plate, a first interlocking plate, a breaker energy storage shaft, a breaker interlocking plate and a breaker closing shaft; the isolating operation shaft is connected with a first cam, the first cam comprises a convex surface and a plane, one end of the first interlocking plate is arranged above the first cam, and the other end of the first interlocking plate is arranged above the energy storage shaft of the circuit breaker; one end of the circuit breaker interlocking plate is connected with the other end of the first interlocking plate, and the other end of the circuit breaker interlocking plate is connected with a circuit breaker closing shaft; one end of the first interlocking plate is provided with a first convex plate, and the grounding interlocking plate is arranged below the first convex plate and above the grounding operating shaft. The first cam is rotated to enable the plane to face upwards, the first interlocking plate moves downwards to drive the grounding interlocking plate to move downwards, and the grounding operation shaft, the circuit breaker energy storage shaft and the circuit breaker closing shaft are locked, so that the personal safety of operators is guaranteed.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to an interlocking mechanism of a ring main unit and the ring main unit.
Background
The ring main unit is an electrical device, and in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system, the ring main unit is mainly used for opening and closing, controlling and protecting the electrical device, and components in the ring main unit mainly comprise a circuit breaker, an isolating switch, an operating mechanism, a mutual inductor and other devices.
The ring main unit is widely applied in an electric power system, and the personal safety problem of operators is often involved in the using process, so that the misoperation prevention of the ring main unit is very important.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an interlocking mechanism of a ring main unit and the ring main unit.
In order to achieve the above object, the present invention provides the following technical solution, wherein the interlocking mechanism of the ring main unit comprises: the circuit breaker comprises an isolation operation shaft, a grounding interlocking plate, a first interlocking plate, a circuit breaker energy storage shaft, a circuit breaker interlocking plate and a circuit breaker switching-on shaft; a first cam is connected to the isolation operation shaft and comprises a convex surface and a plane, one end of the first interlocking plate is arranged above the first cam, and the other end of the first interlocking plate is arranged above the energy storage shaft of the circuit breaker; one end of the circuit breaker interlocking plate is connected with the other end of the first interlocking plate, and the other end of the circuit breaker interlocking plate is connected with the closing shaft of the circuit breaker; one end of the first interlocking plate, which is close to the first cam, is provided with a first convex plate, one end of the grounding interlocking plate is arranged below the first convex plate, and the other end of the grounding interlocking plate is arranged above the grounding operation shaft.
Further specifically, in the above technical scheme, the interlocking device of the ring main unit further includes a rotating plate and a rotating shaft, the rotating plate is connected to the isolation operating shaft and the rotating shaft respectively, a first baffle is rotatably connected to the upper side of the rotating shaft, the first baffle is used for limiting the isolation operating shaft, a second baffle is rotatably connected to the lower side of the rotating shaft, and the second baffle is used for limiting the grounding operating shaft.
More specifically, in the above technical solution, the interlocking mechanism of the ring main unit further includes a second interlocking plate, the second interlocking plate is configured with a third baffle and a fourth baffle, the third baffle is located below the isolation operating shaft, and the fourth baffle is located below the grounding operating shaft; and a grounding shaft crank arm is arranged on the grounding operation shaft, and the grounding shaft crank arm is connected with the second interlocking plate and used for constraining the second interlocking plate.
More specifically, in the above technical solution, the interlocking mechanism of the ring main unit further includes a third interlocking plate and a second cam; the third interlocking plate is located below the second interlocking plate, the third interlocking plate is provided with a limiting groove, and the second cam is located at the top of the limiting groove and drives the third interlocking plate to move up and down.
Further specifically, in the above technical solution, the interlocking mechanism of the ring main unit further includes a breaker opening shaft, the breaker opening shaft is configured with an opening shaft collision plate, the third locking plate is configured with a second convex plate, and the second convex plate is located below the opening shaft collision plate.
The utility model further provides a ring main unit which comprises the interlocking mechanism, the disconnecting switch and the circuit breaker, wherein the disconnecting switch is arranged above the circuit breaker, and the disconnecting switch and the circuit breaker are respectively connected with the interlocking mechanism.
Further specifically, in the above technical solution, the isolating switch includes an isolating blade, an isolating stationary contact, and a grounding body, a distance between the isolating blade and the isolating stationary contact is greater than 90mm, and a distance between the isolating blade and the grounding body is greater than 70 mm.
More specifically, in the above technical solution, an insulating plate is disposed between the isolation blade and the grounding body.
Further specifically speaking, among the above-mentioned technical scheme, the circuit breaker includes the circuit breaker main shaft, the circuit breaker main shaft is provided with the pressure equalizing cover.
Compared with the prior art, the utility model has the beneficial effects that: when the disconnecting switch is switched off, the first cam is rotated by rotating the isolating operation shaft, so that the plane of the first cam faces upwards, and at the moment, the first interlocking plate moves downwards along with the rotation of the first cam and drives the grounding interlocking plate to move downwards; after the first interlocking plate moves downwards, the other end of the first interlocking plate locks the energy storage shaft of the circuit breaker, and locks the closing shaft of the circuit breaker through the interlocking plate of the circuit breaker, so that the problems that the circuit breaker is directly closed by misoperation after energy storage, an isolating switch is disconnected with a load or grounded with a close are solved, and the personal safety of operators is ensured; and the grounding interlocking plate locks the grounding operation shaft, so that grounding operation is not allowed, and the personal safety of operators is ensured.
Drawings
FIG. 1 is a schematic structural view of the upper part of the present invention;
FIG. 2 is a schematic view of a lower portion of the present invention;
fig. 3 is another structural diagram of the lower part of the present invention.
In the figure: 1. isolating the operating shaft; 2. a ground operating shaft; 3. a grounding interlock plate; 4. a first interlock plate; 5. a circuit breaker energy storage shaft; 6. a circuit breaker interlock plate; 7. a breaker closing shaft; 8. a first cam; 9. A first convex plate; 10. a rotating plate; 11. a rotating shaft; 12. a first baffle plate; 13. a second baffle; 14. a second interlock plate; 15. a third baffle plate; 16. a fourth baffle; 17. a ground shaft crank arm; 18. a third interlocking plate; 19. a second cam; 20. a limiting groove; 21. a breaker opening shaft; 22. a brake separating shaft collision plate; 23. A second convex plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1-3, the present invention provides an interlocking mechanism of a ring main unit, including: the device comprises an isolation operation shaft 1, a grounding operation shaft 2, a grounding interlocking plate 3, a first interlocking plate 4, a breaker energy storage shaft 5, a breaker interlocking plate 6 and a breaker switching-on shaft 7; a first cam 8 is connected to the isolation operating shaft 1, the first cam 8 comprises a convex surface and a plane, one end of the first interlocking plate 4 is arranged above the first cam 8, and the other end of the first interlocking plate 4 is arranged above the circuit breaker energy storage shaft 5; one end of the circuit breaker interlocking plate 6 is connected with the other end of the first interlocking plate 4, and the other end of the circuit breaker interlocking plate 6 is connected with the circuit breaker closing shaft 7; one end of the first interlock plate 4 near the first cam 8 is provided with a first protruding plate 9, one end of the grounding interlock plate 3 is disposed below the first protruding plate 9, and the other end of the grounding interlock plate 3 is disposed above the grounding operation shaft 2.
When the disconnecting switch is switched off, the first cam 8 is rotated by rotating the isolating operation shaft 1, so that the plane of the first cam 8 faces upwards, at the moment, the first interlocking plate 4 moves downwards along with the rotation of the first cam 8, and the grounding interlocking plate 3 is driven to move downwards through the first convex plate 9; after the first interlocking plate 4 moves downwards, the other end of the first interlocking plate locks the breaker energy storage shaft 5, and locks the breaker closing shaft 7 through the breaker interlocking plate 6, so that the problems that the breaker mechanism is directly closed by misoperation after energy storage, the disconnecting switch is opened under load or grounded under live connection and the like are solved, and the personal safety of operators is ensured; and the grounding operation shaft 2 is locked through the grounding interlocking plate 3, so that the grounding operation is not allowed, and the personal safety of operators is ensured.
In some embodiments, the interlocking mechanism of the ring main unit further includes a rotating plate 10 and a rotating shaft 11, the rotating plate 10 is respectively connected to the isolating operation shaft 1 and the rotating shaft 11, a first baffle 12 is rotatably connected above the rotating shaft 11, the first baffle 12 is used for limiting the isolating operation shaft 1, a second baffle 13 is rotatably connected below the rotating shaft 11, and the second baffle 13 is used for limiting the grounding operation shaft 2.
Keep apart operating axis 1 through rotating and drive rotor plate 10 and rotate, rotor plate 10 drives axis of rotation 11 and rotates, and first baffle 12 rotates to keeping apart operating axis 1 department when axis of rotation 11 rotates, and is spacing to keeping apart operating axis 1, and second baffle 13 rotates to ground connection operating axis 2 department, carries on spacingly to ground connection operating axis 2. For example, when the disconnecting switch is in the open state, the disconnecting switch is closed by rotating the disconnecting operation shaft 1, and the rotating shaft 11 drives the second stopper 13 to block the grounding operation shaft 2, so that the grounding operation shaft 2 cannot be operated.
In some embodiments, the interlocking mechanism of the ring main unit further includes a second interlocking plate 14, the second interlocking plate 14 is configured with a third baffle 15 and a fourth baffle 16, the third baffle 15 is located below the isolating operation shaft 1, and the fourth baffle 16 is located below the grounding operation shaft 2; the grounding operation shaft 2 is provided with a grounding shaft crank arm 17, and the grounding shaft crank arm 17 is connected with the second interlocking plate 14 and used for restraining the second interlocking plate 14.
In the process of realizing grounding closing by closing the circuit breaker, the grounding mechanism is closed firstly, at the moment, the grounding shaft crank arm 17 rotates clockwise, the constraint on the second interlocking plate 14 is removed, and the second interlocking plate 14 can slide upwards; in the process of closing the circuit breaker, the second interlocking plate 14 is pushed upwards to drive the third baffle 15 and the fourth baffle 16 to ascend, so that the isolation operation shaft 1 and the grounding operation shaft 2 are blocked, and misoperation of the isolation operation shaft 1 and the grounding operation shaft 2 in the working process is prevented.
As shown in fig. 2, in some embodiments, the interlocking mechanism of the ring main unit further includes a third interlocking plate 18 and a second cam 19; the third interlocking plate 18 is located below the second interlocking plate 14, the third interlocking plate 18 is provided with a limiting groove 20, and the second cam 19 is located at the top of the limiting groove 20 and drives the third interlocking plate 18 to move up and down.
In the process of closing the circuit breaker, the second cam 19 can be used for pushing the third interlocking plate 18 to rise, and the third interlocking plate 18 pushes the second interlocking plate 14 to move upwards, so that the isolation operating shaft 1 and the grounding operating shaft 2 are blocked at the moment.
In some embodiments, the interlocking mechanism of the ring main unit further includes a breaker opening shaft 21, the breaker opening shaft 21 is provided with a breaker shaft striking plate 22, the third interlocking plate 18 is provided with a second convex plate 23, and the second convex plate 23 is located below the breaker shaft striking plate 22.
In the process of switching on the circuit breaker after switching on the grounding switch, the second cam 19 pushes the third interlocking plate 18 to ascend, and the second convex plate 23 on the third interlocking plate 18 locks the brake-separating striking plate in the process of moving upwards, so that the circuit breaker cannot allow brake separation.
The utility model also provides a ring main unit (not shown in the figure), which comprises the interlocking mechanism, the disconnecting switch and the circuit breaker, wherein the disconnecting switch is arranged above the circuit breaker, the disconnecting switch and the circuit breaker are respectively connected with the interlocking mechanism, and the interlocking mechanism is used for preventing misoperation on the disconnecting switch and the circuit breaker; and the upper half is isolation mechanism, and the latter half is circuit breaker mechanism, need not fill in any insulating gas during the use, and both environmental protection can guarantee withstand voltage reliably again.
In some embodiments, the isolating switch comprises an isolating blade, an isolating static contact and a grounding body, the distance between the isolating blade and the isolating static contact is greater than 90mm, the distance between the isolating blade and the grounding body is greater than 70mm, the distance between the electric bodies is increased, the optimization of an electric field can be optimized, and the insulation requirement is met.
In some embodiments, an insulating plate is disposed between the isolation blade and the grounding body to isolate the isolation blade from the grounding body.
In some embodiments, the circuit breaker comprises a circuit breaker main shaft, and the circuit breaker main shaft is provided with a voltage equalizing sleeve, so that discharge between phases of equipment is eliminated, and safety is improved.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the essential numbers, and greater than, less than, etc. are understood as including the essential numbers. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An interlocking mechanism of a ring main unit, comprising: the circuit breaker comprises an isolation operation shaft, a grounding interlocking plate, a first interlocking plate, a circuit breaker energy storage shaft, a circuit breaker interlocking plate and a circuit breaker switching-on shaft;
the isolation operation shaft is connected with a first cam, the first cam comprises a convex surface and a plane, one end of the first interlocking plate is arranged above the first cam, and the other end of the first interlocking plate is arranged above the circuit breaker energy storage shaft;
one end of the circuit breaker interlocking plate is connected with the other end of the first interlocking plate, and the other end of the circuit breaker interlocking plate is connected with the closing shaft of the circuit breaker;
one end of the first interlocking plate, which is close to the first cam, is provided with a first convex plate, one end of the grounding interlocking plate is arranged below the first convex plate, and the other end of the grounding interlocking plate is arranged above the grounding operation shaft.
2. An interlocking mechanism of a ring main unit as claimed in claim 1, wherein the interlocking mechanism of the ring main unit further comprises a rotating plate and a rotating shaft, the rotating plate is respectively connected with the isolating operation shaft and the rotating shaft, a first baffle is rotatably connected above the rotating shaft, the first baffle is used for limiting the isolating operation shaft, a second baffle is rotatably connected below the rotating shaft, and the second baffle is used for limiting the grounding operation shaft.
3. The interlocking mechanism of a ring main unit as claimed in claim 2, wherein the interlocking mechanism of a ring main unit further comprises a second interlocking plate, the second interlocking plate is configured with a third baffle plate and a fourth baffle plate, the third baffle plate is located below the isolating operation shaft, and the fourth baffle plate is located below the grounding operation shaft; and a grounding shaft crank arm is arranged on the grounding operation shaft, and the grounding shaft crank arm is connected with the second interlocking plate and used for constraining the second interlocking plate.
4. The interlocking mechanism of a ring main unit as claimed in claim 3, wherein the interlocking mechanism of a ring main unit further comprises a third interlocking plate and a second cam;
the third interlocking plate is located below the second interlocking plate, the third interlocking plate is provided with a limiting groove, and the second cam is located at the top of the limiting groove and drives the third interlocking plate to move up and down.
5. The interlocking mechanism of a ring main unit as claimed in claim 4, wherein the interlocking mechanism further comprises a breaker opening shaft, the breaker opening shaft is configured with a breaker shaft striking plate, the third interlocking plate is configured with a second convex plate, and the second convex plate is located below the breaker shaft striking plate.
6. A ring main unit, comprising an interlocking mechanism, a disconnecting switch and a circuit breaker according to any one of claims 1 to 5, wherein the disconnecting switch is disposed above the circuit breaker, and the disconnecting switch and the circuit breaker are respectively connected with the interlocking mechanism.
7. The ring main unit as claimed in claim 6, wherein the isolation switch includes an isolation blade, an isolation stationary contact and a grounding body, the isolation blade is more than 90mm away from the isolation stationary contact, and the isolation blade is more than 70mm away from the grounding body.
8. The ring main unit as claimed in claim 7, wherein an insulating plate is disposed between the isolation blade and the grounding body.
9. The ring main unit as claimed in claim 6, wherein the circuit breaker includes a main shaft of the circuit breaker, and the main shaft of the circuit breaker is provided with a voltage equalizing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220318236.XU CN216902602U (en) | 2022-02-16 | 2022-02-16 | Interlocking device and looped netowrk cabinet of looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220318236.XU CN216902602U (en) | 2022-02-16 | 2022-02-16 | Interlocking device and looped netowrk cabinet of looped netowrk cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216902602U true CN216902602U (en) | 2022-07-05 |
Family
ID=82184743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220318236.XU Active CN216902602U (en) | 2022-02-16 | 2022-02-16 | Interlocking device and looped netowrk cabinet of looped netowrk cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216902602U (en) |
-
2022
- 2022-02-16 CN CN202220318236.XU patent/CN216902602U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206893523U (en) | A kind of double-fracture disconnecting switch with ground connection linkage | |
| CN201421784Y (en) | Operating mechanism of high-voltage load switch | |
| CN106253120B (en) | A kind of solid insulation switch for integrating breaker and disconnecting switch | |
| CN104471806A (en) | Switch gear | |
| CN203192640U (en) | Interlocking device of high-voltage stationary cabinet | |
| CN216902602U (en) | Interlocking device and looped netowrk cabinet of looped netowrk cabinet | |
| RU2418335C1 (en) | Vacuum circuit breaker | |
| CN204885865U (en) | Vacuum switch cabinet and interlock thereof | |
| CN116682691A (en) | Switch cabinet interlocking mechanism and switch cabinet | |
| CN207398694U (en) | A kind of interlock of switchgear | |
| CN218182083U (en) | Double-incoming-line interlocking device | |
| CN107293426B (en) | A kind of ring network cabinet cabinet door interlock | |
| CN203733669U (en) | Interlock system for outdoor high-voltage vacuum switch and disconnecting switch | |
| CN209216873U (en) | A kind of switching device | |
| CN209487386U (en) | A kind of three station isolated operation mechanism of gas-filling cabinet | |
| CN203288462U (en) | An operational interlock of a ring main unit | |
| CN207021577U (en) | Inlet wire and bus connection switch cabinet blocking device | |
| CN2546990Y (en) | High-voltage double-power shifting load switch | |
| CN211929342U (en) | Safe and reliable's interlock | |
| CN215578272U (en) | Operation interlocking device for lower door and grounding switch of air insulation switch cabinet | |
| CN219476528U (en) | Interlocking mechanism of 24KV solid insulation switch cabinet | |
| CN202363317U (en) | Dual-powered mechanical interlocking device of ring main units | |
| CN214152781U (en) | Electrical cabinet | |
| CN215527507U (en) | Mechanical interlocking structure of high-voltage vacuum circuit breaker switch | |
| CN214625737U (en) | Grounding knife mechanism with locking function and high-voltage switch cabinet applying grounding knife mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |