CN217035507U - Ring main unit operating mechanism - Google Patents
Ring main unit operating mechanism Download PDFInfo
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- CN217035507U CN217035507U CN202220542452.2U CN202220542452U CN217035507U CN 217035507 U CN217035507 U CN 217035507U CN 202220542452 U CN202220542452 U CN 202220542452U CN 217035507 U CN217035507 U CN 217035507U
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- operating shaft
- limiting
- grounding
- assembly
- isolation
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Abstract
The utility model relates to a ring main unit operating mechanism which comprises a mechanism frame, a grounding operating shaft, an isolation operating shaft, a lower door interlocking assembly and an isolation interlocking assembly, wherein the grounding operating shaft is rotationally arranged on the mechanism frame, the isolation operating shaft is rotationally arranged on the mechanism frame, the lower door interlocking assembly is arranged on the mechanism frame and matched with the grounding operating shaft, the isolation interlocking assembly is arranged on the mechanism frame and matched with the isolation operating shaft, a limiting assembly is arranged between the mechanism frame and the grounding operating shaft, the limiting assembly comprises a driving piece, a limiting piece and a pressure spring sleeved on the limiting piece, a fixing seat is arranged at one end, corresponding to the limiting piece, of a middle plate on the mechanism frame, a waist-shaped sliding hole is formed in one end of the limiting piece, the fixing seat is inserted in the waist-shaped sliding hole, and the limiting piece is in sliding connection and matching with the fixing seat. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly, safety and reliability.
Description
Technical Field
The utility model relates to the technical field of ring main units, in particular to an operating mechanism of a ring main unit.
Background
The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. In an electric power transmission and transformation system, a ring main unit is very important electrical equipment in an electric power system, and once misoperation occurs, equipment is damaged if the misoperation occurs, and electric power system failure is caused if the misoperation occurs, so that the ring main unit has a perfect and reliable five-prevention interlocking function, and the safety operation of a human body and a power grid is ensured. The existing operating mechanism for the ring main unit is unreasonable in structural design, and during operation, the grounding operating shaft cannot reliably drive the grounding switch to execute opening and closing actions due to overlarge bounce, so that great potential safety hazards exist. And the ring main unit operating mechanism also has the defects of complex structure, unreliable performance and inconvenient assembly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the ring main unit operating mechanism which is simple in structure, stable and reliable in performance, convenient to assemble, safe and reliable.
In order to achieve the above purpose, the present invention adopts an operating mechanism of a ring main unit, which comprises a frame, a grounding operating shaft rotatably arranged on the frame, an isolating operating shaft rotatably arranged on the frame, a lower door interlocking component arranged on the frame and matched with the grounding operating shaft, and an isolating interlocking component arranged on the frame and matched with the isolating operating shaft, a limiting component is arranged between the mechanism frame and the grounding operating shaft, the limiting component comprises a driving sheet arranged on the grounding operating shaft, a limiting sheet in linkage fit with the driving sheet, and a pressure spring sleeved on the limiting sheet, a fixed seat is arranged at one end of the middle plate of the mechanism frame corresponding to the limiting sheet, a waist-shaped sliding hole is arranged at one end of the limiting sheet, the fixing seat is inserted in the waist-shaped sliding hole and forms sliding connection and matching of the limiting piece and the fixing seat.
The beneficial effect of above-mentioned structure is: the limiting assembly is arranged between the machine frame and the grounding operation shaft, the limiting assembly can play a limiting role in the grounding operation shaft, the bounce of the grounding operation shaft can be reduced, the grounding operation shaft can be guaranteed to reliably drive the grounding switch to perform opening and closing actions, a pressure spring on the limiting assembly can play a buffering role, and the working reliability of the limiting assembly is improved. Therefore, the ring main unit operating mechanism has the advantages of simple structure, stable and reliable performance, convenience in assembly, safety and reliability.
Particularly, the other end of the limiting sheet is provided with a limiting part, one end of the pressure spring is abutted against the limiting part, and the other end of the pressure spring is abutted against the fixed seat. The pressure spring block is between spacing piece and fixing base to the pressure spring of being convenient for and the assembly of spacing piece, fixing base, the assembly is more convenient, and the pressure spring can play the cushioning effect, thereby is favorable to improving this looped netowrk cabinet operating device's operational reliability.
Particularly, one end of fixing base on be provided with screw rod portion, screw rod portion pass the waist type sliding hole of spacing piece, and be provided with the nut on the screw rod portion, nut and spacing cooperation of piece. The nut which is in limit fit with the limiting sheet is arranged on the fixing seat, so that the connection between the limiting sheet and the fixing seat can be more compact.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a perspective view of the internal structure of the embodiment of the present invention.
FIG. 3 is a front view of the internal structure of the embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 3, an embodiment of the present invention is an operating mechanism for a ring main unit, including a frame 10, a grounding operating shaft 11 rotatably disposed on the frame 10, an isolating operating shaft 12 rotatably disposed on the frame 10, a lower door interlock assembly 13 disposed on the frame 10 and engaged with the grounding operating shaft 11, and an isolating interlock assembly 14 disposed on the frame 10 and engaged with the isolating operating shaft 12, wherein a limit assembly 20 is disposed between the frame 10 and the grounding operating shaft 11, the limit assembly 20 includes a driving plate 21 disposed on the grounding operating shaft 11, a limit plate 22 engaged with the driving plate 21, and a compression spring 23 sleeved on the limit plate 22, a fixing seat 24 is disposed at an end of a middle plate 101 of the frame 10 corresponding to the limit plate 22, a waist-shaped sliding hole 221 is disposed at one end of the limit plate 22, and the fixing seat 24 is inserted in the waist-shaped sliding hole 221, and constitute the sliding connection cooperation of spacing piece 22 and fixing base 24.
As shown in fig. 2 and 3, a limiting portion 222 is disposed at the other end of the limiting piece 22, one end of the compressed spring 23 abuts against the limiting portion 222, and the other end of the compressed spring 23 abuts against the fixing seat 24. The pressure spring block is between spacing piece and fixing base to the pressure spring of being convenient for and the assembly of spacing piece, fixing base, the assembly is more convenient, and the pressure spring can play the cushioning effect, thereby is favorable to improving this looped netowrk cabinet operating device's operational reliability. One end of fixing base 24 on be provided with screw portion 241, screw portion 242 pass the kidney-shaped slide hole 221 of spacing piece 22, and be provided with nut 25 on screw portion 241, nut 25 and spacing piece 22 spacing cooperation. The nut which is in limit fit with the limiting sheet is arranged on the fixing seat, so that the connection between the limiting sheet and the fixing seat can be more compact. The limiting component is arranged between the machine frame and the grounding operating shaft, the limiting component can play a limiting role in the grounding operating shaft, the bounce of the grounding operating shaft can be reduced, the grounding operating shaft can be guaranteed to reliably drive the grounding switch to perform opening and closing actions, a pressure spring on the limiting component can play a buffering role, and the working reliability of the limiting component can be improved. Therefore, the ring main unit operating mechanism has the advantages of simple structure, stable and reliable performance, convenience in assembly, safety and reliability.
The present invention may be embodied in many other forms than the embodiments described above, and various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (3)
1. A ring main unit operating mechanism comprises a machine frame, a grounding operating shaft, an isolation operating shaft, a lower door interlocking assembly and an isolation interlocking assembly, wherein the grounding operating shaft is rotatably arranged on the machine frame, the isolation operating shaft is rotatably arranged on the machine frame, the lower door interlocking assembly is arranged on the machine frame and matched with the grounding operating shaft, the isolation interlocking assembly is arranged on the machine frame and matched with the isolation operating shaft, the ring main unit operating mechanism is characterized in that a limiting assembly is arranged between the machine frame and the grounding operating shaft, the limiting assembly comprises a driving piece arranged on the grounding operating shaft, a limiting piece in linkage fit with the driving piece and a pressure spring sleeved on the limiting piece, a fixing seat is arranged at one end of a middle plate of the machine frame, which corresponds to the limiting piece, a waist-shaped sliding hole is formed in one end of the limiting piece, and the fixing seat is in sliding connection fit with the limiting piece.
2. The ring main unit operating mechanism according to claim 1, wherein: the other end of the limiting sheet is provided with a limiting part, one end of the pressure spring is abutted against the limiting part, and the other end of the pressure spring is abutted against the fixing seat.
3. The ring main unit operating mechanism according to claim 1 or 2, wherein: one of fixing base serve and be provided with screw rod portion, screw rod portion pass the waist type of spacing piece and slide the hole, and be provided with the nut in the screw rod portion, nut and spacing cooperation of spacing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220542452.2U CN217035507U (en) | 2022-03-12 | 2022-03-12 | Ring main unit operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220542452.2U CN217035507U (en) | 2022-03-12 | 2022-03-12 | Ring main unit operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217035507U true CN217035507U (en) | 2022-07-22 |
Family
ID=82453694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220542452.2U Active CN217035507U (en) | 2022-03-12 | 2022-03-12 | Ring main unit operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217035507U (en) |
-
2022
- 2022-03-12 CN CN202220542452.2U patent/CN217035507U/en active Active
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