CN209675813U - GIS internal shield casing - Google Patents
GIS internal shield casing Download PDFInfo
- Publication number
- CN209675813U CN209675813U CN201920615006.8U CN201920615006U CN209675813U CN 209675813 U CN209675813 U CN 209675813U CN 201920615006 U CN201920615006 U CN 201920615006U CN 209675813 U CN209675813 U CN 209675813U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- mounting disc
- shield
- earth shield
- supporting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012212 insulator Substances 0.000 claims abstract description 14
- 229910052573 porcelain Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
Abstract
GIS internal shield casing.Provide that a kind of concentricity is good, the high-efficient GIS internal shield casing of assembly working.Including hollow shell and set shield assembly in the housing, the shield assembly includes intershield cylinder, earth shield cylinder and transitional cylinder, aperture among the mounting disc, for accommodating intershield cylinder and earth shield cylinder, the mounting disc is step type from inside to outside, the downstairs are equipped with the mounting hole two for installing the mounting hole one of insulator and for installing earth shield cylinder, the inner sidewall of the upper ladder is equipped with several grooves, supporting rod is equipped in the groove and gives the pushing mechanism of the inside thrust of supporting rod, the supporting rod is directed toward the center of circle of mounting disc.The utility model is set in mounting disc guarantees intershield cylinder and the earth shield cylinder mechanism coaxial with mounting disc so that intershield cylinder and earth shield cylinder be installed after coaxially.
Description
Technical field
The utility model relates to electric power accessories technical fields, and in particular to a kind of GIS internal shield casing.
Background technique
GIS(Gas Insulated Substation) be gas-insulating and fully-enclosed combined electrical apparatus English abbreviation.It is existing
Common GIS is by breaker, disconnecting switch, earthing switch, mutual inductor, arrester, bus, connector and outlet terminal in technology
Deng composition, these equipment or component are all enclosed in the metal or ceramic shell of ground connection, inside it filled with certain pressure
SF6 insulating gas, therefore also referred to as SF6 fully closed combined electric unit.Since the 1960s, GIS is widely used to height
The fields such as pressure, super-pressure, extra-high voltage.Compared with traditional conventional open style substation, GIS is compact-sized, occupied area is small, matches
Flexible, easy for installation, high reliablity, high safety, strong environmental adaptability are set, maintenance workload is small, and its main component
Maintenance intervals are not less than 20 years.
It is a kind of " 550kV GIS inlet-outlet line that State Intellectual Property Office, which discloses patent name on October 12nd, 2016,
Porcelain bushing shell and its assembly method ", application No. is the Chinese patent of " 201610564021 .5 ", including insulated porcelain sleeve and screen
Component is covered, the insulated porcelain sleeve is hollow variable diameter insulator structure, is set with conductor and connecting element, lower end surface suit on end face thereon
Shield assembly；The shield assembly includes intershield cylinder, earth shield cylinder and transitional cylinder, and entire shield assembly passes through flange
It is connected to the lower end surface of insulated porcelain sleeve；Earth shield cylinder top is connected through a screw thread part and is fixed on transitional cylinder；And it is described
Intershield cylinder concentric locking collar is reversely fixed on transition in earth shield cylinder, and through four insulators and threaded connector
On cylinder.The inlet-outlet line porcelain bushing shell for having this structure is taken insertion and groove welding manner and is passed through in the selection of assembly method
Threaded connector is connected and fixed, and product is made to have excellent terminal static load performance, and there is good insulation performance and temperature rise to try
Test result.It, need to be between inside caliper and ruler measurement intershield cylinder and earth shield cylinder but after shield assembly assembling
Distance guarantees two kinds of concentricity, if not coaxial, need to be reset with dismantling, substantially reduces working efficiency.
Utility model content
The utility model is in view of the above problems, provide that a kind of concentricity is good, the high-efficient GIS internal shield of assembly working
Casing.
The technical solution of the utility model is: GIS internal shield casing, including hollow shell and sets screen in the housing
Component is covered, the shield assembly includes intershield cylinder, earth shield cylinder and transitional cylinder, and the transitional cylinder includes the peace on top
The bottom of sabot and cylinder positioned at mounting disc lower part, the intershield cylinder is equipped with shielding flange and several insulators,
Described insulator one end is fixed on the bottom of middle cylinder, and the other end is fixed on the bottom of mounting disc, the earth shield cylinder
Bottom is fixed on the top of mounting disc, and aperture among the mounting disc is described for accommodating intershield cylinder and earth shield cylinder
Mounting disc is step type from inside to outside, including upper ladder and downstairs, and the downstairs are equipped with for installing insulator
Mounting hole one and mounting hole two for installing earth shield cylinder, the inner sidewall of the upper ladder is equipped with several grooves, described
Supporting rod is equipped in groove and gives the pushing mechanism of the inside thrust of supporting rod, and the supporting rod is directed toward the center of circle of mounting disc.
The groove is the inside not through slot of opening, is equipped with that spring, the straight spring one end are fixed always in the groove
The inner termination of supporting rod is fixed in the bottom of groove, the other end.
Groove position through slot, the outer wall of the mounting disc are equipped with the annular groove in a circle circumferential direction, in the annular groove
Equipped with a ring spring, the ring spring is contacted with the end of supporting rod.
The inner termination of the supporting rod is inclined-plane, which is arc, and the length on inclined-plane is greater than or equal to earth shield cylinder
With the difference of the outer diameter of earth shield cylinder.
Guarantee intershield cylinder and earth shield cylinder and mounting disc the beneficial effects of the utility model are: setting in mounting disc
Coaxial mechanism does not need subsequent using inside caliper and straight so that intershield cylinder and earth shield cylinder are coaxial after being installed
The distance of ruler measurement between the two, more avoids and finds the case where need to coaxially not reinstalling after being installed in the prior art,
To improve packaging efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model,
Fig. 2 is the top view of mounting disc in Fig. 1,
Fig. 3 is the first embodiment of the sectional view along A-A of Fig. 2,
Fig. 4 is second of embodiment of the sectional view along A-A of Fig. 2；
1 is shell in figure, and 2 be intershield cylinder, and 3 be earth shield cylinder, and 4 be transitional cylinder, and 5 be mounting disc, and 51 be groove,
52 be supporting rod, and 53 be straight spring, and 54 be annular groove, and 55 be ring spring, and 6 be insulator.
Specific embodiment
The utility model is illustrated with reference to the accompanying drawing.
As shown in Figs. 1-2, the utility model includes hollow shell 1 and sets shield assembly within the case 1, the shielding
Component includes intershield cylinder 2, earth shield cylinder 3 and transitional cylinder 4, and the transitional cylinder 4 includes mounting disc 5 and the position on top
Cylinder in 5 lower part of mounting disc, the bottom of the intershield cylinder 2 is equipped with shielding flange and several insulators 6, described exhausted
6 one end of edge is fixed on the bottom of middle cylinder, and the other end is fixed on the bottom of mounting disc 5, the bottom of the earth shield cylinder 3
It is fixed on the top of mounting disc 5, the intermediate aperture of the mounting disc 5 is described for accommodating intershield cylinder 2 and earth shield cylinder 3
Mounting disc 5 is the step type of ("inner" be direction 5 axis direction of mounting disc) from inside to outside, including upper ladder and downstairs, described
Downstairs are equipped with the mounting hole two for installing the mounting hole one of insulator 6 and for installing earth shield cylinder 3, the upper rank
The inner sidewall of ladder is equipped with several grooves 51, is equipped with supporting rod 52 in the groove 51 and gives the inside thrust of supporting rod 52
Pushing mechanism, the supporting rod 52 are directed toward the center of circle of mounting disc 5.In the case where not stressing, the inner end capitiform of several supporting rods 52
At space be less than intershield cylinder 2 outer diameter.In shield assembly assembling process are as follows: in being first fixed on one end of insulator 6
Between shielding cylinder 2 bottom, then intershield cylinder 2 is penetrated in transitional cylinder 4, the intermediate shielding cylinders 2 of 52 pairs of several supporting rods it is outer
Wall exerts a force jointly, so that intershield cylinder 2 and mounting disc 5 are coaxial, then the other end of insulator 6 is mounted in mounting disc 5；
By earth shield cylinder 3 pass through transitional cylinder 4,52 pairs of several supporting rods ground connection shielding cylinders 3 outer walls exert a force jointly, make its also with installation
Disk 5 is coaxial, and then earth shield cylinder 3 is mounted in mounting disc 5.Intershield cylinder 2 and earth shield cylinder 3 with mounting disc 5
Coaxially, i.e., intershield cylinder 2 had been realized in during the installation process with earth shield cylinder 3 it is coaxial, do not need it is subsequent use interior card
Ruler and ruler measurement distance between the two more avoid and find coaxially not reinstall after being installed in the prior art
Situation.
Fig. 3 is the first embodiment of mounting disc 5 in the utility model, and the groove 51 is inwardly obstructed that be open
Slot is equipped with spring 53(, that is, common spring always in the groove 51), described straight 53 one end of spring be fixed on groove 51 bottom,
The other end is fixed on the inner termination of supporting rod 52.
Fig. 4 is second of embodiment of mounting disc 5 in the utility model, 51 through slots of the groove, the mounting disc 5
Outer wall be equipped with the annular groove 54 in a circle circumferential direction, a ring spring 55, the ring spring are equipped in the annular groove 54
55 contact with the end of supporting rod 52.In the embodiment, supporting rod 52 and ring spring 55 contacts are not fixed connection, in
Between after shielding cylinder 2 and earth shield cylinder 3 be installed, supporting rod 52 and ring spring 55 can be removed, shielded tube not produced
Raw any influence.
The inner termination of the supporting rod 52 is inclined-plane, which is arc, and the length on inclined-plane is greater than or equal to earth shield
The difference of the outer diameter of cylinder 3 and earth shield cylinder 3.Increase the contact surface with intershield cylinder 2 or earth shield cylinder 3, so that clamping is more
Add stabilization.
Claims (4)
1.GIS internal shield casing including hollow shell and sets shield assembly in the housing, during the shield assembly includes
Between shielding cylinder, earth shield cylinder and transitional cylinder, the transitional cylinder includes the mounting disc on top and positioned at mounting disc lower part
The bottom of cylinder, the intershield cylinder is equipped with shielding flange and several insulators, described insulator one end are fixed on centre
The bottom of cylinder, the other end are fixed on the bottom of mounting disc, and the bottom of the earth shield cylinder is fixed on the top of mounting disc,
Be characterized in that, aperture among the mounting disc, for accommodating intershield cylinder and earth shield cylinder, the mounting disc be by interior and
Outer step type, including upper ladder and downstairs, the downstairs are equipped with for installing the mounting hole one of insulator and being used for
The mounting hole two of earth shield cylinder is installed, the inner sidewall of the upper ladder is equipped with several grooves, is equipped with clamping in the groove
Bar and the pushing mechanism for giving the inside thrust of supporting rod, the supporting rod are directed toward the center of circle of mounting disc.
2. GIS internal shield casing according to claim 1, which is characterized in that the groove is inwardly obstructed that be open
Slot is equipped with spring always in the groove, and the straight spring one end is fixed on the bottom of groove, the other end is fixed on supporting rod
Inner termination.
3. GIS internal shield casing according to claim 1, which is characterized in that groove position through slot, the mounting disc
Outer wall be equipped with the annular groove in a circle circumferential direction, a ring spring, the ring spring and clamping are equipped in the annular groove
The end of bar contacts.
4. GIS internal shield casing according to claim 1, which is characterized in that the inner termination of the supporting rod is inclined-plane,
The inclined-plane is arc, and the length on inclined-plane is greater than or equal to the difference of the outer diameter of earth shield cylinder and earth shield cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615006.8U CN209675813U (en) | 2019-04-29 | 2019-04-29 | GIS internal shield casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615006.8U CN209675813U (en) | 2019-04-29 | 2019-04-29 | GIS internal shield casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209675813U true CN209675813U (en) | 2019-11-22 |
Family
ID=68574870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920615006.8U Expired - Fee Related CN209675813U (en) | 2019-04-29 | 2019-04-29 | GIS internal shield casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209675813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113273391A (en) * | 2021-05-24 | 2021-08-20 | 江南大学 | Corn ear and skin separating device |
-
2019
- 2019-04-29 CN CN201920615006.8U patent/CN209675813U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113273391A (en) * | 2021-05-24 | 2021-08-20 | 江南大学 | Corn ear and skin separating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105448578B (en) | A kind of disconnecting switch and its conductor | |
| JP5414754B2 (en) | Plug-in bushing and withstand voltage test method | |
| CN204905019U (en) | Plug -in transformer bushing | |
| CN105655913B (en) | Isolation earthing switch mechanism, switchgear and its guidance contacts seat | |
| KR100406891B1 (en) | Device for bus coupling between enclosed switchboards with insulating gas sealed therein | |
| KR102681058B9 (en) | High voltage bushing for Dry air Insulated load break switches & fault interrupters | |
| CN102231488B (en) | High-voltage gas insulated termination mounting and positioning structure | |
| CN209675813U (en) | GIS internal shield casing | |
| CN105529663B (en) | Busbar assembly and the Cubicle Gas-Insulated Switchgear using the busbar assembly | |
| CN102388514B (en) | Bushing for connecting gas insulated switchgear with air insulated switchgear | |
| CN107424799B (en) | Gas-insulated transformer | |
| CN106025959B (en) | A kind of 550kV GIS inlet-outlet line porcelain bushing shell and its assembly method | |
| JP5555365B2 (en) | Plug-in bushing and withstand voltage test method | |
| CN114594298B (en) | Voltage divider and GIS equipment | |
| CN213366361U (en) | Voltage transformer and electrical cabinet | |
| CN206281873U (en) | Gas-insulated locking device for detecting high-voltage capacitor | |
| CN222282725U (en) | A fully insulated shielded busbar connection system for an inflatable cabinet | |
| KR102682995B1 (en) | Bushing with Tab Assembly | |
| EP4593039A1 (en) | Anti-interference structure of capacitive voltage-dividing insulating core body, high-voltage electric appliance, and isolating switch | |
| CN211045332U (en) | Vacuum circuit breaker and solid-sealed pole wire inlet and outlet structure | |
| KR0130538B1 (en) | Gas Insulation Protection Switch with Cable End | |
| US5872346A (en) | Metal-cladded electrical high-voltage switching installation with a power switch | |
| CN212304031U (en) | Aerify cabinet generating line adapter sleeve | |
| CN117524783A (en) | Tank circuit breaker and vacuum interrupter assembly thereof | |
| CN204167022U (en) | A kind of high-voltage wall bushing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |