CN220570176U - Novel firm type environmental protection type gas-insulated looped netowrk cabinet - Google Patents
Novel firm type environmental protection type gas-insulated looped netowrk cabinet Download PDFInfo
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- CN220570176U CN220570176U CN202322143945.6U CN202322143945U CN220570176U CN 220570176 U CN220570176 U CN 220570176U CN 202322143945 U CN202322143945 U CN 202322143945U CN 220570176 U CN220570176 U CN 220570176U
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- assembly
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- 230000007613 environmental effect Effects 0.000 title claims description 3
- 230000000712 assembly Effects 0.000 claims description 30
- 238000000429 assembly Methods 0.000 claims description 30
- 238000009413 insulation Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism 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 discloses a novel stable environment-friendly gas-insulated ring main unit, which comprises a main unit body, a frame, a vacuum circuit breaker assembly, a main circuit upper incoming line row, a main circuit lower outgoing line row, a connecting rod disconnecting switch assembly, a flexible connection and a circuit breaker insulating driving shaft, wherein the main unit body above and below the vacuum circuit breaker assembly is provided with a grounding row and the main circuit lower outgoing line row, the connecting rod disconnecting switch assembly is arranged on the main unit body between the vacuum circuit breaker assembly and the main circuit upper incoming line row, the lower part of the vacuum circuit breaker assembly is connected with the main circuit lower outgoing line row through the flexible connection, and the circuit breaker insulating driving shaft capable of driving the vacuum circuit breaker assembly to close or break is rotatably arranged below the vacuum circuit breaker assembly. Through the mode, the two isolation blades are smoothly inserted into the corresponding conductive piece in the rotating process, and simultaneously, the two isolation blades can be closed and clung to the conductive piece, so that the conduction is ensured, the structure is simple, the weight is light, the driving force of the external driving piece is small, the action is stable, and the operation power is small.
Description
Technical Field
The utility model relates to the technical field of electricity, in particular to a novel stable environment-friendly gas-insulated ring main unit.
Background
The patent number CN202123269991.8 discloses a novel isolating switch for maintaining pressure and adjusting contact pressure, wherein three groups of movable contact rod assemblies are arranged on a rotating shaft assembly, a shaft sleeve is sleeved between every two adjacent movable contact rod assemblies, the rotating shaft assemblies and the shaft sleeve are all required to adopt insulating pieces, the movable contact rod assemblies are relatively large in combination with the attached drawings, the rotating shaft assemblies are required to be driven by relatively large external power mechanisms, the operating power is high, the movable contact rod assemblies are required to be rotated to different states to be contacted with other parts in the working process, the requirements on the rotating shaft assemblies are relatively high, a certain hardness is required to support the movable contact rod assemblies, the driving force is high, the rotating angle is required to be controlled, the operation is relatively difficult, sufficient force is required to support the angle, and otherwise, the movable contact rod assemblies are easy to rotate to the lower position under the action of gravity.
Based on the defects and shortcomings, the prior art needs to be improved, and a novel stable environment-friendly gas-insulated ring main unit is designed.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the novel stable environment-friendly gas-insulated ring main unit, wherein the two isolation blades are smoothly inserted into corresponding conductive pieces in the rotation process, and simultaneously the two isolation blades can be closed and clung to the conductive pieces to ensure conduction.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a novel firm environment-friendly gas-insulated looped netowrk cabinet, this kind of novel firm environment-friendly gas-insulated looped netowrk cabinet include cabinet body, frame, vacuum circuit breaker subassembly, the last inlet wire row of main loop, the lower outlet wire row of main loop, connecting rod isolator subassembly, flexible coupling and circuit breaker insulation drive shaft, install the frame in the cabinet body, erect vacuum circuit breaker subassembly on the frame, install ground connection row and main loop down outlet wire row on the cabinet body of vacuum circuit breaker subassembly upper and lower side, install connecting rod isolator subassembly on the cabinet body between the last inlet wire row of vacuum circuit breaker subassembly and main loop, vacuum circuit breaker subassembly below is connected with main loop down outlet wire row through flexible coupling, and the circuit breaker insulation drive shaft that can drive its combined floodgate or separating brake is installed in the rotation of vacuum circuit breaker subassembly below;
the connecting rod isolating switch assembly comprises an isolating operation shaft, crank arms, pull rods, isolating knife assemblies and a conductive main loop knife, the isolating operation shaft is rotatably installed on the cabinet body and driven to rotate by an external driving piece, a plurality of groups of crank arms are installed on the isolating operation shaft, the pull rods are rotatably installed at the extending ends of the same groups of crank arms, the isolating knife assemblies are rotatably installed at the extending ends of the pull rods, the lower parts of the isolating knife assemblies are rotatably installed on the vacuum circuit breaker assemblies and are communicated with the vacuum circuit breaker assemblies, the upper parts of one group of isolating knife assemblies are in an opening shape, the conductive main loop knife is installed on an inlet wire row on the main loop in a conducting mode, the conductive main loop knife can be inserted and communicated with one group of isolating knife assemblies, the isolating knife assemblies and the conductive main loop knife are made of conductive materials, and the pull rods are made of insulating materials.
Preferably, the isolating blade assembly comprises two isolating blades, and the opposite surfaces of the two isolating blades are provided with outwardly protruding conductive parts.
Preferably, the isolating knife assembly further comprises a reset unit, the middle parts of the two isolating blades are connected through the reset unit, the reset unit comprises a connecting pin penetrating through the two isolating blades, a limiting sleeve sleeved on the connecting pin and used for limiting the distance, a reset spring is sleeved on the connecting pin outside the isolating blades, and a pin cap for preventing the reset spring from falling off is further arranged at the outer end of the connecting pin.
Preferably, the novel stable environment-friendly gas-insulated ring main unit further comprises a grounding row, wherein the grounding row comprises a supporting plate arranged on the main unit body and a grounding knife arranged on the supporting plate, and the isolating switch assembly is arranged between the vacuum circuit breaker assembly and the grounding row.
Preferably, the isolating operation shaft is made of a metal piece, and the isolating operation shaft and the isolating knife assembly are insulated by a pull rod.
Compared with the prior art, the utility model has the beneficial effects that:
the connecting rod isolating switch assembly adopts a connecting rod structure, and compared with the prior structure, the connecting rod isolating switch assembly has the advantages of simple structure, light weight, small driving force of an external driving piece, stable action and small operation power;
the opposite surfaces of the two isolating blades are provided with outwards-protruding conductive parts, so that the isolating blades can be ensured to be in close contact with the conductive main loop knife or the grounding knife, and conduction is realized;
the reset unit can ensure the relative distance between the two isolation blades, ensure the smooth insertion of the two isolation blades into the conductive main loop blade or the grounding blade in the rotating process, and simultaneously, the two isolation blades can be closed and closely attached to the conductive main loop blade or the grounding blade under the elastic force of the reset spring, so that the conduction is ensured;
the vacuum arc-extinguishing chamber is installed in an insulated frame in a split phase mode, the insulated frame has the functions of insulation and support, meanwhile, the operation shafts of the isolating switch and the circuit breaker are metal operation shafts, and in addition, the split phase is carried out, so that phase-to-phase faults of the electric switch cannot occur in the operation of the electric power system, and the safety and reliability of the operation of the system are improved.
Drawings
Fig. 1 is a schematic structural diagram of a novel stable environment-friendly gas-insulated ring main unit.
Fig. 2 is a schematic diagram of a partial structure of a novel stable environment-friendly gas-insulated ring main unit.
Fig. 3 is a schematic structural diagram of an isolation knife assembly of the novel stable environment-friendly gas-insulated ring main unit.
Wherein, 1, a cabinet body, 2, a frame, 3, a vacuum circuit breaker component, 4, an upper line-in row of a main loop, 5, a lower line-out row of the main loop, 6, a connecting rod isolating switch component, 61, an isolating operation shaft, 62, a crank arm, 63, a pull rod, 64, an isolating knife component, 641 and an isolating blade, 640, conductive parts, 642, reset units, 6421, connecting pins, 6422, limiting sleeves, 6423, reset springs, 6424, pin caps, 65, conductive main circuit cutters, 7, soft connection, 8, circuit breaker insulating driving shafts, 9, grounding rows, 91, supporting plates, 92 and grounding cutters.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1 to 3, an embodiment of the present utility model includes:
the novel stable environment-friendly gas-insulated ring main unit comprises a main unit body 1, a frame 2, a vacuum circuit breaker assembly 3, a main circuit upper incoming line row 4, a main circuit lower outgoing line row 5, a connecting rod isolating switch assembly 6, a flexible connection 7, a circuit breaker insulating driving shaft 8 and a grounding row 9, wherein the frame 2 is installed in the main unit body 1, the vacuum circuit breaker assembly 3 is erected on the frame 2, the grounding row 4 and the main circuit lower outgoing line row 5 are installed on the main unit body 1 above and below the vacuum circuit breaker assembly 3, the connecting rod isolating switch assembly 6 is installed on the main unit body 1 between the vacuum circuit breaker assembly 3 and the main circuit upper incoming line row 4, the circuit breaker insulating driving shaft 8 capable of driving the circuit breaker to be closed or opened is rotatably installed below the vacuum circuit breaker assembly 3, the grounding row 9 comprises a supporting plate 91 installed on the main unit body 1 and a grounding knife 92 installed on the supporting plate 1, the vacuum circuit breaker assembly 3 and the grounding knife assembly 6 can be connected between the grounding knife assembly 92 and the grounding knife assembly 9 in a conducting mode, and the vacuum circuit breaker assembly 3 can be connected with the grounding knife assembly 64 in a conducting mode;
the connecting rod isolating switch assembly 6 comprises an isolating operation shaft 61, crank arms 62, pull rods 63, isolating knife assemblies 64 and a conductive main loop knife 65, the isolating operation shaft 61 is rotatably installed on the cabinet body 1 and is driven to rotate by an external driving piece, a plurality of groups of crank arms 62 are installed on the isolating operation shaft 61, the pull rods 63 are rotatably installed at the extending ends of the same groups of crank arms 62, the isolating knife assemblies 64 are rotatably installed at the extending ends of the pull rods 63, the lower parts of the isolating knife assemblies 64 are rotatably installed on the vacuum circuit breaker assembly 3 and are communicated with the vacuum circuit breaker assembly, the upper parts of one group of isolating knife assemblies 64 are in an opening shape, the conductive main loop knife 65 is installed on the main loop upper inlet wire row 4 in a conducting mode, the isolating knife assemblies 64 and the conductive main loop knife 65 are made of conductive materials, the pull rods 63 are made of insulating materials, and the connecting rod isolating switch assembly 6 is simple in structure, and has light weight, small driving force, firm action and small operating power compared with the prior structure.
The isolating blade assembly 64 includes two isolating blades 641, and the opposite surfaces of the two isolating blades are provided with conductive parts 640 protruding outwards, in addition, the distance between the two isolating blades may be increased when the isolating blades are used for multiple times, which affects conduction, and the protruding conductive parts 640 can ensure that the isolating blades can be in close contact with the conductive main loop blade 65 or the grounding blade 92, so that conduction is achieved.
The isolating blade assembly 64 further comprises a reset unit 642, the middle parts of the two isolating blades 641 are connected through the reset unit 642, the reset unit 642 comprises a connecting pin 6421 penetrating through the two isolating blades 641, and a limiting sleeve 6422 sleeved on the connecting pin 6421 and used for limiting the distance, in order to ensure that the two isolating blades 641 can be smoothly inserted into the conductive main loop blade 65 or the grounding blade 92, a reset spring 6423 is sleeved on the connecting pin 6421 outside the isolating blades 641, a pin cap 6424 for preventing the reset spring 6423 from falling off is further arranged at the outer end of the connecting pin 6421, when the two isolating blades 641 are inserted into the conductive main loop blade 65 or the grounding blade 92, the two isolating blades 641 can be properly opened, and after the two isolating blades 641 are inserted into place, the two isolating blades 641 can be closed and tightly attached to the conductive main loop blade 65 or the grounding blade 9 under the elastic force of the reset spring 6423, and conduction is ensured.
The isolating shaft 61 and the insulating drive shaft 8 of the circuit breaker are made of metal members, and have sufficient strength, and the isolating shaft 61 and the isolating blade assembly 64 are insulated by a pull rod 63.
The utility model relates to a novel stable environment-friendly gas-insulated ring main unit, which is used for closing operation when the ring main unit works: the isolating operation shaft 61 rotates, the crank arm 62 drives the pull rod 63 to move, the isolating knife assembly 64 is pulled to contact the conductive main loop knife, the isolating switch is operated to a working conductive position, the insulating driving shaft 8 of the circuit breaker is operated, the contact spring is driven to move, the vacuum circuit breaker assembly 3 is switched on, and therefore the main loop is conducted;
ring main unit isolation operation: operating the insulating drive shaft 8 of the circuit breaker to drive the contact spring to move so as to break the vacuum circuit breaker assembly 3, then operating the isolating operation shaft 61 to reversely rotate, and driving the pull rod 63 to move by the crank arm 62 to pull the isolating knife assembly 64 to separate from the conductive main loop knife and isolating the switch to an isolating position;
isolation grounding operation of ring main unit: continuing to operate the isolating operation shaft 61 to rotate reversely, the crank arm 62 drives the pull rod 63 to move, and pulls the isolating blade assembly 64 to contact the grounding blade 92 to work to the grounding position.
According to the novel stable environment-friendly gas-insulated ring main unit, the two isolation blades are smoothly inserted into the corresponding conductive pieces in the rotation process, and meanwhile, the two isolation blades can be closed and clung to the conductive pieces, so that conduction is guaranteed.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (5)
1. Novel firm type environmental protection type gas-insulated looped netowrk cabinet, its characterized in that: the vacuum circuit breaker comprises a cabinet body, a frame, a vacuum circuit breaker assembly, a main circuit upper incoming line row, a main circuit lower outgoing line row, a connecting rod disconnecting switch assembly, a flexible connection and a circuit breaker insulation driving shaft, wherein the frame is installed in the cabinet body;
the connecting rod isolating switch assembly comprises an isolating operation shaft, crank arms, pull rods, isolating knife assemblies and a conductive main loop knife, the isolating operation shaft is rotatably installed on the cabinet body and driven to rotate by an external driving piece, a plurality of groups of crank arms are installed on the isolating operation shaft, the pull rods are rotatably installed at the extending ends of the same groups of crank arms, the isolating knife assemblies are rotatably installed at the extending ends of the pull rods, the lower parts of the isolating knife assemblies are rotatably installed on the vacuum circuit breaker assemblies and are communicated with the vacuum circuit breaker assemblies, the upper parts of one group of isolating knife assemblies are in an opening shape, the conductive main loop knife is installed on an inlet wire row on the main loop in a conducting mode, the conductive main loop knife can be inserted and communicated with one group of isolating knife assemblies, the isolating knife assemblies and the conductive main loop knife are made of conductive materials, and the pull rods are made of insulating materials.
2. The novel stable and environment-friendly gas-insulated ring main unit according to claim 1, wherein: the isolating blade assembly comprises two isolating blades, and the opposite surfaces of the two isolating blades are provided with outwards protruding conducting parts.
3. The novel stable and environment-friendly gas-insulated ring main unit according to claim 2, wherein: the isolating knife assembly further comprises a reset unit, the middle parts of the two isolating blades are connected through the reset unit, the reset unit comprises a connecting pin penetrating through the two isolating blades, a limiting sleeve sleeved on the connecting pin and used for limiting the distance, a reset spring is sleeved on the connecting pin outside the isolating blades, and a pin cap for preventing the reset spring from falling off is further arranged at the outer end of the connecting pin.
4. The novel stable and environment-friendly gas-insulated ring main unit according to claim 1, wherein: the vacuum circuit breaker further comprises a grounding bar, wherein the grounding bar comprises a supporting plate arranged on the cabinet body and a grounding knife arranged on the supporting plate, and the disconnecting switch assembly is arranged between the vacuum circuit breaker assembly and the grounding bar.
5. The novel stable and environment-friendly gas-insulated ring main unit according to claim 1, wherein: the isolating operation shaft is made of a metal piece, and the isolating operation shaft and the isolating knife assembly are insulated through a pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322143945.6U CN220570176U (en) | 2023-08-10 | 2023-08-10 | Novel firm type environmental protection type gas-insulated looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322143945.6U CN220570176U (en) | 2023-08-10 | 2023-08-10 | Novel firm type environmental protection type gas-insulated looped netowrk cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220570176U true CN220570176U (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322143945.6U Active CN220570176U (en) | 2023-08-10 | 2023-08-10 | Novel firm type environmental protection type gas-insulated looped netowrk cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220570176U (en) |
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2023
- 2023-08-10 CN CN202322143945.6U patent/CN220570176U/en active Active
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