CN220585080U - Alternating-current metal ring network switch equipment - Google Patents
Alternating-current metal ring network switch equipment Download PDFInfo
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- CN220585080U CN220585080U CN202322138540.3U CN202322138540U CN220585080U CN 220585080 U CN220585080 U CN 220585080U CN 202322138540 U CN202322138540 U CN 202322138540U CN 220585080 U CN220585080 U CN 220585080U
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- contact
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- ring network
- metal ring
- mounting plate
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- 239000002184 metal Substances 0.000 title claims abstract description 28
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to an alternating-current metal ring network switch device with more stable structure and less vibration and noise. The technical scheme adopted comprises the following steps: the cabinet body, establish the internal high-voltage earthing switch of cabinet, the high-voltage earthing switch includes support, three-phase fixed contact that arranges, operating shaft and three-phase moving contact that arranges, the fixed contact respectively through the insulator install in support upper end, the operating shaft rotatable install in the support middle part, the moving contact is respectively through the rotatable installation of contact mounting panel operating shaft is epaxial, the operating shaft corresponds contact mounting panel both sides are equipped with first axle sleeve and operation panel in proper order, the operation panel is fixed on the operating shaft, just the operation panel is equipped with the bellying that applies pressure and applies pressure down.
Description
Technical Field
The utility model relates to power equipment, in particular to alternating-current metal ring network switch equipment.
Background
An alternating-current metal ring network switch device (called a ring network cabinet for short) is a novel high-voltage switch device which is produced for urban power grid transformation and construction. The cabinet body of the equipment is internally provided with a high-voltage grounding switch which is used for releasing static electricity of equipment and a loop to be overhauled and is a mechanical grounding device for ensuring personal safety of overhaulers during power failure overhauling. It can withstand current for a certain period of time in abnormal situations (e.g. short circuits) but normally does not pass load current, which is typically part of an isolating switch. The structure of the conventional high-voltage grounding switch includes: the device comprises a bracket, three-phase fixed contacts, an operation shaft and three-phase movable contacts, wherein the fixed contacts are respectively arranged at the upper end of the bracket through insulators, the operation shaft is rotatably arranged at the middle part of the bracket, and the movable contacts are fixedly arranged on the operation shaft and used for switching on/off with the fixed contacts. The disadvantages are: 1. the movable contact and the operation shaft are easy to generate positions, so that the movable contact and the fixed contact cannot be accurately switched on; 2. because of the hard connection between the moving contact and the operation shaft, when the switch-on is performed with the moving contact, larger vibration and noise are easy to produce.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the alternating-current metal ring network switch equipment with more stable structure and small vibration and noise.
In order to solve the problems, the technical scheme adopted by the utility model comprises the following steps: the cabinet body, establish the internal high-voltage earthing switch of cabinet, high-voltage earthing switch includes support, three-phase fixed contact, operating shaft and the moving contact that three-phase arranged, the fixed contact respectively through the insulator install in support upper end, the operating shaft rotatable install in support middle part, its characterized in that: the movable contact is rotatably arranged on the operation shaft through a contact mounting plate respectively, a first shaft sleeve and an operation plate are sequentially arranged on the two sides of the operation shaft corresponding to the contact mounting plate, the operation plate is fixed on the operation shaft, and the operation plate is provided with an upper pressing protruding part and a lower pressing protruding part;
the spring assembly comprises an upper spring seat, a pressing spring and a lower spring seat, wherein the upper spring seat is connected with the contact mounting plate in a shaft mode through a first connecting shaft, the lower spring seat is connected with the lower end of the support in a shaft mode through a second connecting shaft, and the pressing spring is arranged between the upper spring seat and the lower spring seat; the upper pressing boss and the lower pressing boss of the operation plate can press both ends of the first connection shaft, respectively.
The alternating-current metal ring network switch device is characterized in that: and a second sleeve is arranged between the operating shaft corresponding to the operating plate and the bracket.
The alternating-current metal ring network switch device is characterized in that: the connecting part of the operating shaft and the bracket is provided with a positioning block, and the positioning block is fixed with the operating shaft through a pin.
The alternating-current metal ring network switch device is characterized in that: and clamping springs are arranged on two sides of the first connecting shaft, which correspond to the contact mounting plates.
The alternating-current metal ring network switch device is characterized in that: the movable contact consists of a first contact blade and a second contact blade, and the rear ends of the first contact blade and the second contact blade are fixed on the contact mounting plate through a C-shaped buckle and a group of rivets.
The alternating-current metal ring network switch device is characterized in that: the connection part of the moving contact and the contact mounting plate is connected in series through a conductive rod.
The alternating-current metal ring network switch device is characterized in that: the support comprises a side support and a cross beam fixed above the side support, wherein the side support consists of two L-shaped side plates which are oppositely arranged, and the adjacent L-shaped side plates are connected through bolts.
1, the alternating current metal ring network switch device is characterized in that: the operation shaft is provided with a triangular positioning groove, and a triangular positioning protruding part is arranged in the mounting hole of the contact mounting plate.
The alternating-current metal ring network switch device is characterized in that: the front ends of the first contact blade and the second contact blade are respectively provided with a slot, a fourth connecting shaft is arranged between the slots, and a group of belleville springs are arranged at two ends of the fourth connecting shaft.
The alternating-current metal ring network switch device is characterized in that: and a lightning arrester is arranged below the cabinet body corresponding to the high-voltage grounding switch.
The alternating-current metal ring network switch device has the following advantages: the movable contact is rotatably arranged on the operation shaft through the contact mounting plate, one end of the contact mounting plate is connected with the bracket through the spring assembly to form a buffering effect, and the operation plate fixed on the operation shaft is utilized to drive the opening/closing of the movable contact, so that the buffering effect can be produced when the movable contact and the fixed contact are closed, and vibration and noise are not easy to occur; in addition, the connecting part of the operation shaft and the bracket is provided with a positioning block, so that the displacement of the moving contact can be effectively prevented.
The utility model is further described below with reference to the drawings.
Drawings
FIG. 1 is a schematic diagram of an AC metal ring network switchgear of the present utility model;
FIG. 2 is a schematic diagram of the structure of the high voltage grounding switch of the present utility model;
fig. 3 is an exploded view of the high voltage grounding switch of the present utility model.
Detailed Description
Referring to fig. 1-3, the alternating-current metal ring network switch device of the utility model comprises a cabinet body 1 and a high-voltage grounding switch 2 arranged in the cabinet body 1. The high-voltage grounding switch 2 comprises a bracket 3, a three-phase fixed contact 4, an operation shaft 5 and a three-phase movable contact 6. The fixed contacts 4 are respectively arranged at the upper end of the bracket 3 through insulators 7. The operation shaft 5 is rotatably installed in the middle of the bracket 3, the extending end of the operation shaft 5 is connected with the linkage shaft 38, the linkage shaft 38 is installed in the cabinet body 1, the front end extends to the front end of the cabinet body 1, and the rotation of the operation shaft 5 is driven by rotating the linkage shaft 38. The movable contacts 6 are rotatably mounted on the operation shaft 5 through contact mounting plates 8, respectively. The contact mounting plate 8 is sleeved on the operation shaft 5 through a shaft hole.
The operation shaft 5 is provided with a first shaft sleeve 9 and an operation plate 10 corresponding to two sides of the contact mounting plate 8 in sequence, the operation plate 10 is fixed on the operation shaft 5, and the operation plate 10 is provided with an upper pressing protruding part 11 and a lower pressing protruding part 12. A spring assembly 13 is arranged on one side of the contact mounting plate 8, and the spring assembly 13 comprises an upper spring seat 14, a pressing spring 15 and a lower spring seat 16. The upper spring seat 14 is axially connected to the contact mounting plate 8 through a first connecting shaft 17, the lower spring seat 16 is axially connected to the lower end of the bracket 3 through a second connecting shaft 18, and the pressing spring 15 is installed between the upper spring seat 14 and the lower spring seat 16. The upper pressing boss 11 and the lower pressing boss 12 of the operation plate 10 can press both ends of the first connection shaft 17, respectively. When the switch is to be opened, the upper pressing convex part 11 of the operation plate 10 is pressed at the two ends of the first connecting shaft 17 by rotating the operation shaft 5, so that the movable contact 6 is far away from the fixed contact 4; when the switch is to be closed, the reverse operation is performed, so that the lower pressing convex part 12 of the operation plate 10 presses the two ends of the first connecting shaft 17, and the moving contact 6 approaches the fixed contact 4.
Preferably, a second sleeve 19 is disposed between the operating shaft 5 and the support 3 corresponding to the operating plate 10. The second sleeve 19 is used for spacing the operation plate 10 from the bracket 3, so that friction resistance between the operation plate and the bracket is reduced, and the opening/closing action is smoother.
Preferably, a positioning block 20 is arranged at the joint of the operation shaft 5 and the bracket 3, and the positioning block 20 is fixed with the operation shaft 5 through a pin 21. By positioning the positioning block 20, the displacement of the operation shaft 5 is prevented, and the moving contact 6 is driven to displace.
Preferably, the first connecting shaft 17 is provided with snap springs 22 corresponding to two sides of the contact mounting plate 8, so as to prevent the contact mounting plate 8 from being displaced, and further improve the stability of the moving contact 6.
Preferably, the moving contact 6 is composed of a first contact blade 23 and a second contact blade 24, and the rear ends of the first contact blade 23 and the second contact blade 24 are fixed on the contact mounting plate 8 through a C-shaped buckle 25 and a set of rivets 26, so as to improve the stability of the connection between the moving contact 6 and the contact mounting plate 8.
Preferably, the connection between the moving contact 6 and the contact mounting plate 8 is connected in series through a conductive rod 27, and the stability between the adjacent moving contacts 6 is improved through the conductive rod 27, and meanwhile, the conductive rod 27 can be connected with a grounding wire to facilitate wiring.
Preferably, the bracket 3 includes a side bracket 28 and a cross beam 29 fixed above the side bracket 28, where the side bracket 28 is composed of two opposite L-shaped side plates 30, and adjacent L-shaped side plates 30 are connected by bolts 31. The contact mounting plate 8 and the operation plate 10 are clamped between the L-shaped side plates 30 to improve the stability of connection.
Preferably, the operation shaft 5 is provided with a triangular positioning groove 32, and a triangular positioning protrusion 33 is disposed in the mounting hole of the contact mounting plate 8, and the contact mounting plate 8 is prevented from turning by positioning and matching the triangular positioning protrusion 33 with the triangular positioning groove 32.
Preferably, the front ends of the first contact blade 23 and the second contact blade 24 are respectively provided with a slot 34, a fourth connecting shaft 35 is arranged between the slots 34, a group of belleville springs 36 are arranged at two ends of the fourth connecting shaft 35, and the elasticity of the belleville springs 36 is utilized to improve the tension of the first contact blade 23 and the second contact blade 24, so that the contact 39 at the lower end of the fixed contact 4 can be clamped more stably. The disc spring is also called a pot-shaped spring and is a known technology.
Preferably, a lightning arrester 37 is disposed below the cabinet body 1 corresponding to the high-voltage grounding switch 2, and is used for guiding an arc produced during opening/closing of the high-voltage grounding switch 2, so as to improve the safety of setting.
The present utility model is not limited to the above-described preferred embodiments, but is not limited to the above-described embodiments, and any simple modification, equivalent changes and modification made by those skilled in the art can be made without departing from the scope of the present utility model, while still remaining within the scope of the present utility model.
Claims (10)
1. The utility model provides an exchange metal looped netowrk switchgear, includes cabinet body (1), establishes high-voltage earthing switch (2) in the cabinet body (1), high-voltage earthing switch (2) include support (3), three-phase fixed contact (4), operating shaft (5) and moving contact (6) that three-phase arranged, fixed contact (4) install respectively through insulator (7) in support (3) upper end, operating shaft (5) rotatable install in support (3) middle part, its characterized in that: the movable contact (6) is rotatably arranged on the operation shaft (5) through a contact mounting plate (8), a first shaft sleeve (9) and an operation plate (10) are sequentially arranged on two sides of the operation shaft (5) corresponding to the contact mounting plate (8), the operation plate (10) is fixed on the operation shaft (5), and the operation plate (10) is provided with an upper pressing protruding part (11) and a lower pressing protruding part (12);
a spring assembly (13) is arranged on one side of the contact mounting plate (8), the spring assembly (13) comprises an upper spring seat (14), a pressing spring (15) and a lower spring seat (16), the upper spring seat (14) is axially connected with the contact mounting plate (8) through a first connecting shaft (17), the lower spring seat (16) is axially connected with the lower end of the bracket (3) through a second connecting shaft (18), and the pressing spring (15) is arranged between the upper spring seat (14) and the lower spring seat (16); the upper pressing boss (11) and the lower pressing boss (12) of the operation plate (10) can press both ends of the first connection shaft (17), respectively.
2. The ac metal ring network switching device of claim 1, wherein: and a second shaft sleeve (19) is arranged between the operating shaft (5) corresponding to the operating plate (10) and the bracket (3).
3. The ac metal ring network switching device of claim 1, wherein: the connecting part of the operation shaft (5) and the bracket (3) is provided with a positioning block (20), and the positioning block (20) is fixed with the operation shaft (5) through a pin (21).
4. The ac metal ring network switching device of claim 1, wherein: and clamping springs (22) are arranged on two sides of the first connecting shaft (17) corresponding to the contact mounting plate (8).
5. The ac metal ring network switching device of claim 1, wherein: the movable contact (6) is composed of a first contact blade (23) and a second contact blade (24), and the rear ends of the first contact blade (23) and the second contact blade (24) are fixed on the contact mounting plate (8) through a C-shaped buckle (25) and a group of rivets (26).
6. The ac metal ring network switching device of claim 5, wherein: the connection part of the moving contact (6) and the contact mounting plate (8) is connected in series through a conductive rod (27).
7. The ac metal ring network switching device of claim 1, wherein: the bracket (3) comprises a side bracket (28) and a cross beam (29) fixed above the side bracket (28), wherein the side bracket (28) is composed of two L-shaped side plates (30) which are oppositely arranged, and the adjacent L-shaped side plates (30) are connected through bolts (31).
8. The ac metal ring network switching device of claim 1, wherein: the operation shaft (5) is provided with a triangular positioning groove (32), and a triangular positioning protruding part (33) is arranged in a mounting hole of the contact mounting plate (8).
9. The ac metal ring network switching device of claim 5, wherein: the front ends of the first contact blade (23) and the second contact blade (24) are respectively provided with a slot (34), a fourth connecting shaft (35) is arranged between the slots (34), and a group of belleville springs (36) are arranged at two ends of the fourth connecting shaft (35).
10. The ac metal ring network switching device of claim 1, wherein: and a lightning arrester (37) is arranged below the cabinet body (1) corresponding to the high-voltage grounding switch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322138540.3U CN220585080U (en) | 2023-08-10 | 2023-08-10 | Alternating-current metal ring network switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322138540.3U CN220585080U (en) | 2023-08-10 | 2023-08-10 | Alternating-current metal ring network switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220585080U true CN220585080U (en) | 2024-03-12 |
Family
ID=90114254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322138540.3U Active CN220585080U (en) | 2023-08-10 | 2023-08-10 | Alternating-current metal ring network switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220585080U (en) |
-
2023
- 2023-08-10 CN CN202322138540.3U patent/CN220585080U/en active Active
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