CN117524777A - Double-pressure spring isolating switch operating mechanism - Google Patents
Double-pressure spring isolating switch operating mechanism Download PDFInfo
- Publication number
- CN117524777A CN117524777A CN202311585267.7A CN202311585267A CN117524777A CN 117524777 A CN117524777 A CN 117524777A CN 202311585267 A CN202311585267 A CN 202311585267A CN 117524777 A CN117524777 A CN 117524777A
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- Prior art keywords
- shaft
- driving
- interlocking
- matched
- interlocking switching
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- 230000000712 assembly Effects 0.000 claims abstract description 31
- 238000000429 assembly Methods 0.000 claims abstract description 31
- 238000004146 energy storage Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- 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
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The invention relates to a double-pressure spring isolating switch operating mechanism which comprises a machine framework, a main shaft and two groups of operating shaft assemblies, wherein each operating shaft assembly comprises an operating shaft, a rotating plate assembly, a limiting pin, an energy storage pressure spring assembly and a driving plate, an interlocking switching disc matched with the driving plates of the two groups of operating shaft assemblies is arranged at one end of the main shaft, an isolating driving shaft and a grounding driving shaft matched with the interlocking switching disc are respectively arranged on the driving plates of the two groups of operating shaft assemblies, an interlocking switching groove and an interlocking switching hole matched with the isolating driving shaft and the grounding driving shaft are respectively arranged on the interlocking switching disc, and the isolating driving shaft and the grounding driving shaft are respectively inserted into the interlocking switching groove and the interlocking switching hole in a penetrating manner, and form the interlocking switching disc, the isolating driving shaft and the grounding driving shaft in a linkage fit. The invention has the advantages of simple structure, stable and reliable performance, reliable interlocking, high opening and closing speed and low cost.
Description
Technical Field
The invention relates to an isolating switch, in particular to a double-pressure spring isolating switch operating mechanism.
Background
At present, a plurality of large-scale electric stations have widely used ring main units; the ring main unit has the advantages of simple structure, safe and reliable operation, low maintenance frequency and low operation cost, and compared with the traditional switch cabinet, the ring main unit has outstanding advantages. In the ring main unit technology, an isolating switch is commonly used. The isolating switch is used as a circuit switch in the ring main unit, so that the isolating switch has a common switching effect, and can ensure that the safety fracture and the isolation lower end are reliably grounded, thereby absolutely ensuring the safety of circuit maintenance and overhaul personnel. Is one of very important components in the ring main unit. For example, the patent number is: the Chinese patent of CN202023246010.3 discloses a high-reliability isolating switch operating mechanism, and the technical scheme is that a limiting component matched with a main shaft is arranged on a mechanism frame, and the limiting component can play a role in reversing and limiting the main shaft, so that the main shaft can drive the isolating operating component to be converted with a grounding operating component. However, the limiting component of the technical scheme is complex in structural design, more in parts, higher in cost and high in mechanical failure rate, and the interlocking between the isolating operation component and the grounding operation component is easy to cause unreliability. In the technical scheme, a single energy storage spring assembly is arranged between the isolation operation assembly and the grounding operation assembly, so that the switching-on and switching-off speed is low, and the output work is small.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the double-pressure spring isolating switch operating mechanism which has the advantages of simple structure, stable and reliable performance, reliable interlocking, high opening and closing speed and low cost.
In order to achieve the above purpose, the invention adopts a double-pressure spring isolating switch operating mechanism, which comprises a machine frame, a main shaft rotatably arranged on the machine frame, and two groups of operating shaft assemblies respectively arranged on the machine frame at two sides corresponding to the main shaft, wherein each operating shaft assembly comprises an operating shaft rotatably arranged on the machine frame, a rotating plate assembly arranged on the operating shaft in a linkage manner, a limiting pin arranged in the machine frame and matched with the rotating plate assembly, an energy storage pressure spring assembly arranged between the rotating plate assembly and the machine frame, and a driving plate arranged on the operating shaft and matched with the rotating plate assembly, an interlocking switching disc matched with the driving plates of the two groups of operating shaft assemblies is arranged at one end of the main shaft, an isolating driving shaft and a grounding driving shaft matched with the interlocking switching disc are respectively arranged on the driving plates of the two groups of operating shaft assemblies, and interlocking switching grooves and interlocking switching holes matched with the isolating driving shaft and the grounding driving shaft are respectively arranged on the interlocking switching disc, and the isolating driving shaft and the grounding driving shaft are respectively inserted in the interlocking switching grooves and the switching holes, the interlocking switching disc and the interlocking driving shaft matched with the driving shaft.
The beneficial effects of the structure are as follows: the main shaft is provided with the interlocking conversion plate matched with the two groups of operation shaft components, the interlocking conversion plate can play roles in interlocking and conversion, and the two groups of operation shaft components can be prevented from simultaneously executing (isolating and grounding) closing actions. And the two groups of operation shaft components adopt a double-energy-storage pressure spring structural design, so that the output work of the isolating switch operation mechanism can be effectively enhanced, and the opening and closing speed is higher. Therefore, the isolating switch operating mechanism has the advantages of simple structure, stable and reliable performance, reliable interlocking, high opening and closing speed and low cost.
Particularly, two arc-shaped guide holes are respectively arranged on the rear plate of the machine frame corresponding to the isolation driving shaft and the grounding driving shaft, and the isolation driving shaft and the grounding driving shaft respectively penetrate through the two arc-shaped guide holes and respectively extend into the interlocking conversion groove and the interlocking conversion hole. The two arc-shaped guide holes on the side plates of the machine frame can guide the isolating driving shaft and the grounding driving shaft, thereby being beneficial to improving the working reliability of the isolating switch operating mechanism.
Particularly, two micro switches are arranged on two sides of the machine frame, corresponding to the main shaft, of the machine frame, two pushing plates matched with the two micro switches are arranged on the main shaft, the two pushing plates act along with the main shaft and trigger the two micro switches, and the connection or disconnection of the two micro switches is realized. The two micro-switches can monitor the working position of the main shaft, so that the working reliability of the isolating switch operating mechanism is improved.
Particularly, the rotating plate assembly comprises two rotating plates arranged in parallel at intervals and a plurality of riveting pins respectively arranged between the two rotating plates, the driving plate is provided with a stirring groove matched with the rotating plates, the rotating plates are provided with driving pins inserted in the stirring groove, and the driving pins move along with the rotating plates and reciprocate in the stirring groove, and form linkage fit of the driving plates and the driving pins. The rotating plate assembly adopts a double-rotating plate structural design, has higher strength, stores energy and releases energy more rapidly, and is beneficial to accelerating the opening and closing speed of the isolating switch operating mechanism.
The energy storage pressure spring assembly comprises a guide shaft, an inner shaft sleeve connected between one end of the guide shaft and a riveting pin of the rotating plate assembly, a pressure spring sleeved on the guide shaft, a pressure spring cover arranged on the inner shaft sleeve, and a connecting block connected to a supporting rod of the mechanism frame at the other end of the guide shaft, wherein one end of the pressure spring is abutted against the connecting block, and the other end of the pressure spring is abutted against the pressure spring cover. Two groups of energy storage pressure spring assemblies are arranged between the rotating plate assemblies of the two groups of operating shaft assemblies and the mechanism frame, and the output work of the isolating switch operating mechanism can be effectively enhanced by adopting the design of a double pressure spring energy storage structure, so that the opening and closing speed is higher.
Particularly, the isolating driving shaft and the grounding driving shaft are respectively provided with shaft sleeves matched with the interlocking switching grooves and the interlocking switching holes. The isolating driving shaft and the grounding driving shaft toggle the interlocking turntable disc through the shaft sleeve, so that the blocking and the dead of the isolating driving shaft, the grounding driving shaft, the interlocking conversion groove and the interlocking conversion hole can be avoided, and the interlocking reliability of the isolating switch can be improved.
Specifically, the other end of the main shaft is provided with an indicating plate in a linkage way, and the indicating plate is provided with two shielding parts matched with the operation shafts of the two groups of operation shaft assemblies. The indicating plate can play a role in indicating, and when in operation, the shielding part can shield the operation shaft of one group of operation shaft assemblies, so that two groups of operation shaft assemblies (isolated and grounded) are prevented from being simultaneously closed, and misoperation can be effectively avoided.
Drawings
Fig. 1 is a perspective view of a first view angle according to an embodiment of the present invention.
Fig. 2 is a perspective view of a second view of an embodiment of the present invention.
Fig. 3 is an exploded view of an embodiment of the present invention.
Fig. 4 is an internal structural diagram of an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 4, an embodiment of the present invention is a dual-compression-spring isolating switch operating mechanism, which comprises a machine frame 10, a main shaft 11 rotatably disposed on the machine frame 10, and two sets of operating shaft assemblies 20 disposed on the machine frame 10 at two sides corresponding to the main shaft 11, wherein the operating shaft assemblies 20 comprise operating shafts 21 rotatably disposed on the machine frame 10, rotating plate assemblies 22 cooperatively disposed on the operating shafts 21, limiting pins 23 disposed in the machine frame 10 and matched with the rotating plate assemblies 22, energy-storage compression spring assemblies 24 disposed between the rotating plate assemblies 22 and the machine frame 10, driving plates 25 disposed on the operating shafts 21 and matched with the rotating plate assemblies 22, interlocking switching discs 12 disposed on one ends of the main shaft 11 and matched with the driving plates 25 of the two sets of operating shaft assemblies 20, isolating driving shafts 251 and grounding driving shafts 252 disposed on the driving plates 25 of the two sets of operating shaft assemblies 20, switching holes 122 respectively disposed on the switching discs 12 and interlocking switching discs 252 respectively connected with the isolating driving shafts 251, the switching driving shafts 121 and the switching grooves 122 respectively connected with the interlocking switching discs 122. Two arc-shaped guide holes 102 are respectively arranged on the rear plate 101 of the mechanism frame 10 corresponding to the isolation driving shaft 251 and the grounding driving shaft 525, and the isolation driving shaft 251 and the grounding driving shaft 252 respectively pass through the two arc-shaped guide holes 102 and respectively extend into the interlocking switching groove 121 and the interlocking switching hole 122. The two arc-shaped guide holes on the side plates of the machine frame can guide the isolating driving shaft and the grounding driving shaft, thereby being beneficial to improving the working reliability of the isolating switch operating mechanism. Two micro switches 13 are arranged on two sides of the mechanism frame 10 corresponding to the main shaft 11, two push plates 111 matched with the two micro switches 13 are arranged on the main shaft 11, and the two push plates 111 act along with the main shaft 11 and trigger the two micro switches 13 to realize the connection or disconnection of the two micro switches 13. The two micro-switches can monitor the working position of the main shaft, so that the working reliability of the isolating switch operating mechanism is improved.
As shown in fig. 3 and 4, the rotating plate assembly 22 includes two rotating plates 221 disposed in parallel and spaced apart, and a plurality of riveting pins 222 disposed between the two rotating plates 221, the driving plate 25 is provided with a toggle slot 253 matched with the rotating plates 221, the rotating plates 221 are provided with driving pins 2211 inserted in the toggle slot 253, the driving pins 2211 move along with the rotating plates 221 and reciprocate in the toggle slot 253, and form linkage matching of the driving plate 25 and the driving pins 2211. The rotating plate assembly adopts a double-rotating plate structural design, has higher strength, stores energy and releases energy more rapidly, and is beneficial to accelerating the opening and closing speed of the isolating switch operating mechanism. The other end of the main shaft 11 is provided with an indicating plate 14 in a linkage way, and the indicating plate 14 is provided with two shielding parts 141 matched with the operation shafts 21 of the two groups of operation shaft assemblies 20. The indicating plate can play a role in indicating, and when in operation, the shielding part can shield the operation shaft of one group of operation shaft assemblies, so that two groups of operation shaft assemblies (isolated and grounded) are prevented from being simultaneously closed, and misoperation can be effectively avoided. The energy storage pressure spring assembly 24 comprises a guide shaft 241, an inner sleeve 242 connected between one end of the guide shaft 241 and the riveting pin 222 of the rotating plate assembly 22, a pressure spring 243 sleeved on the guide shaft 241, a pressure spring cover 244 arranged on the inner sleeve 242, and a connecting block 2411 connected to the supporting rod 103 of the mechanism frame 10 at the other end of the guide shaft 241, wherein one end of the pressure spring 243 is abutted against the connecting block 2411, and the other end of the pressure spring 243 is abutted against the pressure spring cover 244. Two groups of energy storage pressure spring assemblies are arranged between the rotating plate assemblies of the two groups of operating shaft assemblies and the mechanism frame, and the output work of the isolating switch operating mechanism can be effectively enhanced by adopting the design of a double pressure spring energy storage structure, so that the opening and closing speed is higher. The isolating driving shaft 251 and the grounding driving shaft 252 are respectively provided with a shaft sleeve 254 matched with the interlocking switching groove 121 and the interlocking switching hole 122. The isolating driving shaft and the grounding driving shaft toggle the interlocking turntable disc through the shaft sleeve, so that the blocking and the dead of the isolating driving shaft, the grounding driving shaft, the interlocking conversion groove and the interlocking conversion hole can be avoided, and the interlocking reliability of the isolating switch can be improved.
The main shaft is provided with the interlocking conversion plate matched with the two groups of operation shaft components, the interlocking conversion plate can play roles in interlocking and conversion, and the two groups of operation shaft components can be prevented from simultaneously executing (isolating and grounding) closing actions. And the two groups of operation shaft components adopt a double-energy-storage pressure spring structural design, so that the output work of the isolating switch operation mechanism can be effectively enhanced, and the opening and closing speed is higher. Therefore, the isolating switch operating mechanism has the advantages of simple structure, stable and reliable performance, reliable interlocking, high opening and closing speed and low cost. The two groups of operation shaft components of the isolating switch operating mechanism can respectively drive the isolating switch and the grounding switch to realize switching on/off, and the interlocking switching disc can play roles of interlocking and switching off, so that the isolating switch and the grounding switch are prevented from switching on simultaneously, and the operating reliability of the isolating switch operating mechanism is improved.
Claims (7)
1. The utility model provides a two pressure spring isolator operating device which characterized in that: the device comprises a machine framework, a main shaft arranged on the machine framework in a rotating mode, and two groups of operation shaft assemblies arranged on the machine framework respectively corresponding to two sides of the main shaft, wherein each operation shaft assembly comprises an operation shaft arranged on the machine framework in a rotating mode, a rotating plate assembly arranged on the operation shaft in a linkage mode, a limiting pin arranged in the machine framework and matched with the rotating plate assembly, an energy storage pressure spring assembly arranged between the rotating plate assembly and the machine framework, and a driving plate arranged on the operation shaft and matched with the rotating plate assembly, one end of the main shaft is provided with an interlocking switching plate matched with the driving plate of the two groups of operation shaft assemblies, the driving plates of the two groups of operation shaft assemblies are respectively provided with an interlocking driving shaft matched with the interlocking switching plate and a grounding driving shaft, the interlocking switching plate is respectively provided with an interlocking switching groove matched with the interlocking driving shaft, the grounding driving shaft, and the interlocking switching hole are respectively inserted in the interlocking switching groove and the interlocking switching hole, and the interlocking switching plate is matched with the interlocking driving shaft and the grounding driving shaft.
2. The dual compression spring isolator operating mechanism of claim 1, wherein: two arc-shaped guide holes are respectively arranged on the rear plate of the machine frame, corresponding to the isolation driving shaft and the grounding driving shaft, and the isolation driving shaft and the grounding driving shaft respectively penetrate through the two arc-shaped guide holes and respectively extend into the interlocking conversion groove and the interlocking conversion hole.
3. The dual compression spring disconnector operating mechanism according to claim 1 or 2, characterized in that: two micro switches are arranged on two sides of the machine frame, corresponding to the main shaft, of the machine frame, two pushing plates matched with the two micro switches are arranged on the main shaft, and the two pushing plates act along with the main shaft and trigger the two micro switches to switch on or off the two micro switches.
4. The dual compression spring disconnector operating mechanism according to claim 1 or 2, characterized in that: the rotating plate assembly comprises two rotating plates arranged at intervals in parallel and a plurality of riveting pins respectively arranged between the two rotating plates, the driving plate is provided with a stirring groove matched with the rotating plates, the rotating plates are provided with driving pins inserted in the stirring groove, and the driving pins move along with the rotating plates and reciprocate in the stirring groove and form linkage fit of the driving plates and the driving pins.
5. The dual compression spring isolator operating mechanism as claimed in claim 4, wherein: the energy storage pressure spring assembly comprises a guide shaft, an inner shaft sleeve connected between one end of the guide shaft and a riveting pin of the rotating plate assembly, a pressure spring sleeved on the guide shaft, a pressure spring cover arranged on the inner shaft sleeve, and a connecting block connected to a supporting rod of the mechanism frame.
6. The isolating switch operating mechanism of claim 1 or 2, wherein the isolating drive shaft and the grounding drive shaft are respectively provided with a shaft sleeve matched with the interlocking switching groove and the interlocking switching hole.
7. The isolating switch operating mechanism of claim 1 or 2, wherein an indicating plate is arranged on the other end of the main shaft in a linkage way, and two shielding parts matched with the operating shafts of the two groups of operating shaft assemblies are arranged on the indicating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311585267.7A CN117524777A (en) | 2023-11-25 | 2023-11-25 | Double-pressure spring isolating switch operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311585267.7A CN117524777A (en) | 2023-11-25 | 2023-11-25 | Double-pressure spring isolating switch operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117524777A true CN117524777A (en) | 2024-02-06 |
Family
ID=89760572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311585267.7A Pending CN117524777A (en) | 2023-11-25 | 2023-11-25 | Double-pressure spring isolating switch operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117524777A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117854975A (en) * | 2024-02-28 | 2024-04-09 | 肯劲集团有限公司 | Environment-friendly cabinet isolation operating mechanism with interlocking mechanism |
-
2023
- 2023-11-25 CN CN202311585267.7A patent/CN117524777A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117854975A (en) * | 2024-02-28 | 2024-04-09 | 肯劲集团有限公司 | Environment-friendly cabinet isolation operating mechanism with interlocking mechanism |
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