CN217114208U - Vacuum circuit breaker for air insulation ring main unit and insulation support unit thereof - Google Patents
Vacuum circuit breaker for air insulation ring main unit and insulation support unit thereof Download PDFInfo
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- CN217114208U CN217114208U CN202220538543.9U CN202220538543U CN217114208U CN 217114208 U CN217114208 U CN 217114208U CN 202220538543 U CN202220538543 U CN 202220538543U CN 217114208 U CN217114208 U CN 217114208U
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Abstract
The utility model relates to a vacuum circuit breaker for air insulation ring net cabinet and an insulation support unit thereof, a switch frame comprises an insulation support unit for correspondingly installing each phase of vacuum circuit breaker body, the insulation support unit comprises three layers of insulation column layers which are distributed along the longitudinal direction, an insulation baffle which is clamped between the two adjacent insulation column layers and a grounding position insulation board which is positioned at the bottom end of the bottom insulation column layer, each layer of insulation column layer comprises a plurality of insulation support columns, the top of the upper insulation support column layer is connected with the bottom of a mechanism box through screw threads, an insulation pull rod component is installed in a support space formed by the upper insulation column layer, a vacuum tube is arranged in the support space formed by the vacuum tube insulation support column layer, an isolation contact is installed on the insulation baffle between the vacuum tube insulation support column layer and an isolation knife support column layer, and a grounding contact, the movable knife switch and the isolation main shaft are arranged on the grounding insulating plate. Has the advantages of compact structure, convenient installation, convenient maintenance and recycling.
Description
Technical Field
The utility model relates to an air insulation looped netowrk cabinet, the definite vacuum circuit breaker for air insulation looped netowrk cabinet that says so.
Background
The Ring Main Unit (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. The air insulation ring main unit is a ring main unit which adopts a solid insulation material as a main insulation medium. However, in the existing ring main unit using a solid medium as an insulating material, the vacuum circuit breaker adopts a solid-sealed design, the solid-sealed pole housing is usually made of an epoxy resin material, and the solid-sealed pole housing made of the epoxy resin is difficult to recover when the service life is finished; and the vacuum circuit breaker of the ring main unit and the isolation switch part of the vacuum circuit breaker adopt a split type ring main unit, so that the defects of inconvenient assembly in the early stage and inconvenient later maintenance exist.
Disclosure of Invention
The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides an adopt vacuum circuit breaker for air insulation ring net cabinet of support column type integrated design has compact structure, simple to operate and maintains convenient advantage.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an air insulation ring vacuum circuit breaker for net cabinet, including the cubical switchboard, the three-phase vacuum circuit breaker body, divide closing actuating mechanism and three-station isolator, the vacuum circuit breaker body is including vacuum tube and insulating pull rod subassembly, divide closing actuating mechanism includes the divide closing actuating assembly of mechanism case and the insulating pull rod of drive, three-station isolator has ground connection combined floodgate station, separating brake station and isolation combined floodgate station, including corresponding the isolation contact on isolation combined floodgate station, the ground contact on ground connection combined floodgate station corresponds, the dynamic brake sword of switching action and the isolation spindle mechanism of drive dynamic brake sword switching between three station, its characterized in that: the switch frame comprises an insulating support unit for correspondingly mounting each phase of vacuum circuit breaker body, the insulating support unit comprises three insulating column layers which are distributed along the longitudinal direction, the three insulating column layers are respectively an upper insulating support column layer, a vacuum tube insulating support column layer and an isolation knife support column layer, each insulating column layer comprises a plurality of insulating support columns, an insulating partition plate is clamped between every two adjacent insulating column layers, the tops of the insulating support columns of the upper insulating support column layers are connected to the bottom of the mechanism box through threads, the bottom ends of the insulating support columns of the upper insulating support column layers are connected with the top ends of the insulating support columns of the vacuum tube insulating support column layers through threads, an insulating pull rod assembly is mounted in a support space formed by the upper insulating column layers, the insulating support columns of the vacuum tube insulating support column layers and the insulating support columns of the isolation knife support column layers are in one-to-one correspondence and are connected through threads, and the vacuum tubes are arranged in the support space formed by the vacuum tube insulating support column layers, the bottom end of the isolation knife supporting column layer is connected with a grounding position insulating plate, the isolation contact is installed on an insulating partition plate between the vacuum tube insulating supporting column layer and the isolation knife supporting column layer, the grounding contact and the movable knife are installed on the grounding position insulating plate, and an isolation main shaft of the isolation main shaft mechanism is supported on the grounding position insulating plate.
Through adopting above-mentioned technical scheme, install divide-shut brake actuating mechanism along vertically in proper order, vacuum circuit breaker body and three-station isolator subassembly, realize vacuum circuit breaker body and isolation main shaft mechanism, isolation contact part is all installed and is arranged on the switch bracket, realize vacuum circuit breaker's integration installation and arrange, the advantage that has rational in infrastructure and compactness, make things convenient for vacuum circuit breaker's use installation and the dismouting in later stage to maintain, the switch bracket adopts the insulating column layer of multilayer, insulating barrier and ground connection insulation board are through threaded connection, can realize the recovery of switch bracket and recycle.
Preferably, each edge support unit is provided with an insulating partition plate and a grounding position insulating plate which are relatively independent, and four corner positions of each insulating partition plate are provided with an insulating support column. Under this structural design, insulating support unit is relatively independent part design, is convenient for processing and recycle.
Preferably, a plurality of umbrella skirt structures are distributed on the insulating support columns of each insulating column layer along the axial direction. Under this structural design, improve insulating support column's creepage distance.
The utility model also discloses a compact structure realizes vacuum circuit breaker's isolation integration installation and the vacuum circuit breaker's of being convenient for recycle insulating support unit, its characterized in that: the vacuum tube insulation support column comprises three insulation support column layers which are longitudinally distributed, wherein the three insulation support column layers are respectively an upper insulation support column layer, a vacuum tube insulation support column layer and an isolation knife support column layer, each insulation support column layer comprises a plurality of insulation support columns, an insulation partition plate is clamped between every two adjacent insulation support column layers, the bottom ends of the insulation support columns of the upper insulation support column layers are in threaded connection with the top ends of the insulation support columns of the vacuum tube insulation support column layers, the insulation support columns of the vacuum tube insulation support column layers are in one-to-one correspondence with the insulation support columns of the isolation knife support column layers and are in threaded connection, and the bottom ends of the isolation knife support column layers are connected with a grounding position insulation plate. Under this structural design, the installation of the relevant part of vacuum circuit breaker body and isolator can be realized to three-layer column structural design, realizes vacuum circuit breaker's divide-shut brake and keeps apart integration installation and arrange, has installation convenient to use and maintains convenient advantage, and the column structure recycle in the later stage of being convenient for.
The present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a vacuum circuit breaker for an air-insulated ring network cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a vacuum circuit breaker for an air-insulated ring network cabinet according to an embodiment of the present invention.
Detailed Description
Referring to the attached drawings 1 and 2, the utility model discloses a vacuum circuit breaker for air insulation ring net cabinet, which comprises a switch frame, a three-phase vacuum circuit breaker body, a switching-on/off driving mechanism and a three-station isolating switch, wherein the vacuum circuit breaker body comprises a vacuum tube 1 and an insulating pull rod assembly 2, the insulating pull rod assembly 2 generally comprises a pull rod adjusting head, an insulating pull rod 21 and a flexible connection 22, the insulating pull rod 21 is connected with the switching-on/off driving mechanism through the pull rod adjusting head, the switching-on/off driving mechanism comprises a mechanism box 3 and a switching-on/off driving assembly 4 for driving the insulating pull rod, the three-station isolating switch comprises a grounding switching-on station, a switching-off station and an isolating switching-on station, and comprises an isolating contact 51 corresponding to the isolating switching-on station, a grounding contact 52 corresponding to the grounding switching-on/off station, a moving switch 53 for switching between the three stations and an isolating main shaft mechanism 54 for driving the moving switch 53, the switch frame comprises insulating support units 6 for correspondingly mounting each phase of vacuum circuit breaker body, each insulating support unit 6 comprises three insulating column layers distributed longitudinally, each insulating column layer comprises an upper insulating support column layer 61, a vacuum tube insulating support column layer 62 and an isolation knife support column layer 63, each insulating column layer comprises a plurality of insulating support columns 6-1, each insulating support column 6-1 can be made of plastic or epoxy resin, an insulating partition plate 64 is clamped between every two adjacent insulating column layers, the tops of the insulating support columns of the upper insulating support column layers 61 are connected to the bottom of the mechanism box 3 through threads, the bottoms of the insulating support columns of the upper insulating support column layers 61 are connected with the tops of the insulating support columns of the vacuum tube insulating support column layers 62 through threads, insulating pull rod assemblies 2 are mounted in support spaces formed by the upper insulating support column layers 61, the insulating support columns of the vacuum tube insulating support column layers 62 and the insulating support columns of the isolation knife support column layers 63 are in one-to-one correspondence mode The vacuum tube 1 is arranged in a supporting space formed by the vacuum tube insulating supporting column layer 62, the bottom end of the isolating knife supporting column layer 63 is connected with a grounding position insulating plate 65, the isolating contact 51 is arranged on an insulating partition plate between the vacuum tube insulating supporting column layer 62 and the isolating knife supporting column layer 63, the grounding contact 52 and the movable knife 53 are both arranged on the grounding position insulating plate 65, a knife holder 541 is arranged on the grounding position insulating plate 65, the movable knife 53 is arranged on the knife holder 541, and a transmission structure of the isolating main shaft 542 and the movable knife 53 is conventional in the art, so that the explanation is omitted, and the isolating main shaft 542 of the isolating main shaft mechanism 54 is supported on the grounding position insulating plate 65. Install the divide-shut brake actuating mechanism along vertically in proper order, the isolation main shaft part of vacuum circuit breaker body and three-station isolator subassembly, realize vacuum circuit breaker body and isolation main shaft mechanism, it all installs and arranges on the switch frame to keep apart the contact part, the integration installation of realizing vacuum circuit breaker is arranged, the advantage that has rational in infrastructure and compactness, make things convenient for the dismouting maintenance of use installation and later stage of vacuum circuit breaker, the switch frame adopts multilayer insulating column layer, insulating barrier and ground connection insulation board are through threaded connection, can realize the recovery of switch frame and recycle.
Each edge support unit 6 is provided with a relatively independent insulating partition plate 64 and a grounding position insulating plate 65, and four corner positions of each insulating partition plate 64 are provided with an insulating support column 6-1. The insulating support unit can form a relatively independent design and is jointly installed at the bottom of the mechanism box, so that the installation, the processing and the recycling are convenient.
A plurality of umbrella skirt structures 6-11 are distributed on the insulating support column 6-1 of each insulating column layer along the axial direction. Under this structural design, improve insulating support column's creepage distance.
Claims (5)
1. The utility model provides an air insulation ring vacuum circuit breaker for net cabinet, including the cubical switchboard, the three-phase vacuum circuit breaker body, divide closing actuating mechanism and three-station isolator, the vacuum circuit breaker body is including vacuum tube and insulating pull rod subassembly, divide closing actuating mechanism includes the divide closing actuating assembly of mechanism case and the insulating pull rod of drive, three-station isolator has ground connection combined floodgate station, separating brake station and isolation combined floodgate station, including corresponding the isolation contact on isolation combined floodgate station, the ground contact on ground connection combined floodgate station corresponds, the dynamic brake sword of switching action and the isolation spindle mechanism of drive dynamic brake sword switching between three station, its characterized in that: the switch frame comprises an insulating support unit for correspondingly mounting each phase of vacuum circuit breaker body, the insulating support unit comprises three insulating column layers which are distributed along the longitudinal direction, the three insulating column layers are respectively an upper insulating support column layer, a vacuum tube insulating support column layer and an isolation knife support column layer, each insulating column layer comprises a plurality of insulating support columns, an insulating partition plate is clamped between every two adjacent insulating column layers, the tops of the insulating support columns of the upper insulating support column layers are connected to the bottom of the mechanism box through threads, the bottom ends of the insulating support columns of the upper insulating support column layers are connected with the top ends of the insulating support columns of the vacuum tube insulating support column layers through threads, an insulating pull rod assembly is mounted in a support space formed by the upper insulating column layers, the insulating support columns of the vacuum tube insulating support column layers and the insulating support columns of the isolation knife support column layers are in one-to-one correspondence and are connected through threads, and the vacuum tubes are arranged in the support space formed by the vacuum tube insulating support column layers, the bottom end of the isolation knife supporting column layer is connected with a grounding position insulating plate, the isolation contact is installed on an insulating partition plate between the vacuum tube insulating supporting column layer and the isolation knife supporting column layer, the grounding contact and the movable knife are installed on the grounding position insulating plate, and an isolation main shaft of the isolation main shaft mechanism is supported on the grounding position insulating plate.
2. The vacuum circuit breaker for the air insulated ring main unit according to claim 1, wherein: every all corresponding relatively independent insulating barrier and ground connection position insulation board of reason support unit, four corner positions of every insulating barrier all are equipped with an insulating support post.
3. The vacuum circuit breaker for the air insulated ring main unit according to claim 1, wherein: and a plurality of umbrella skirt structures are distributed on the insulating support columns of each insulating column layer along the axial direction.
4. An insulating support unit of a vacuum circuit breaker, characterized in that: the vacuum tube insulation support column comprises three insulation support column layers which are longitudinally distributed, wherein the three insulation support column layers are respectively an upper insulation support column layer, a vacuum tube insulation support column layer and an isolation knife support column layer, each insulation support column layer comprises a plurality of insulation support columns, an insulation partition plate is clamped between every two adjacent insulation support column layers, the bottom ends of the insulation support columns of the upper insulation support column layers are in threaded connection with the top ends of the insulation support columns of the vacuum tube insulation support column layers, the insulation support columns of the vacuum tube insulation support column layers are in one-to-one correspondence with the insulation support columns of the isolation knife support column layers and are in threaded connection, and the bottom ends of the isolation knife support column layers are connected with a grounding position insulation plate.
5. The insulating holder unit of the vacuum circuit breaker according to claim 4, wherein: and a plurality of umbrella skirt structures are distributed on the insulating support columns of each insulating column layer along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220538543.9U CN217114208U (en) | 2022-03-12 | 2022-03-12 | Vacuum circuit breaker for air insulation ring main unit and insulation support unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220538543.9U CN217114208U (en) | 2022-03-12 | 2022-03-12 | Vacuum circuit breaker for air insulation ring main unit and insulation support unit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217114208U true CN217114208U (en) | 2022-08-02 |
Family
ID=82602122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220538543.9U Active CN217114208U (en) | 2022-03-12 | 2022-03-12 | Vacuum circuit breaker for air insulation ring main unit and insulation support unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217114208U (en) |
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2022
- 2022-03-12 CN CN202220538543.9U patent/CN217114208U/en active Active
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