CN212304635U - Bus device with transverse compensation VP type expansion joint - Google Patents
Bus device with transverse compensation VP type expansion joint Download PDFInfo
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- CN212304635U CN212304635U CN202021030915.4U CN202021030915U CN212304635U CN 212304635 U CN212304635 U CN 212304635U CN 202021030915 U CN202021030915 U CN 202021030915U CN 212304635 U CN212304635 U CN 212304635U
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- corrugated pipe
- basin
- bus
- expansion joint
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- 239000012212 insulator Substances 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 description 9
- 229910018503 SF6 Inorganic materials 0.000 description 5
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical group FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 5
- 230000008602 contraction Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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Abstract
The utility model relates to a bus device with a transverse compensation VP-type expansion joint, which consists of an external cylinder, an internal conductor and a basin-type insulator; external cylinder structure: corrugated pipe flanges are fixedly connected to two sides of the outer circumference of the aluminum alloy tank body, the corrugated pipe flanges are welded with corrugated pipes, basin-type insulators are mounted on two end faces of each corrugated pipe flange, the basin-type insulators are connected with the corrugated pipe flanges through bolts, coaxial conductors are arranged inside the aluminum alloy tank body, contacts with spring contact fingers are inserted into two ends of each conductor, and the contacts are fixedly connected with inserts of the basin-type insulators through bolts; the periphery of each corrugated pipe is provided with 6M 16 screw rods I which are uniformly distributed; screw rods II are uniformly distributed on the outer circumference of the corrugated pipe flange, threaded sleeves are sleeved on the outer circumference of the screw rods II, and the interior of the bus device is filled with insulating media. The device is arranged perpendicular to the axial direction of a bus shell to be compensated, deformation of the bus in the axial direction when the bus expands with heat and contracts with cold and errors in installation and civil engineering foundation deviation are compensated by using limited lateral angle changes of expansion joints at two ends, and the device can be applied to a 330 kV voltage-class power system.
Description
Technical Field
The utility model relates to a generating line device, especially a take horizontal compensation VP type telescopic joint generating line device belongs to superhigh pressure power equipment technical field.
Background
Aiming at severe cold areas with obvious seasonal differentiation, large annual temperature difference and much rain and snow in autumn and winter, in the outdoor engineering design process with longer buses, a device is needed to adjust the assembly deviation of adjacent buses in the horizontal axial direction and the vertical plane, and adjust the thermal expansion and cold contraction stress and size change caused by the change of environmental temperature.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a take horizontal compensation VP type telescopic joint bus device, this horizontal compensation telescopic joint bus device is arranged perpendicularly with needing to compensate the generating line casing axial, the limited side direction angle change compensation generating line axial expend with heat and contract with cold when deformation and the error and the civil engineering foundation deviation of installation, moreover, the steam generator is simple in structure, the equipment pattern is various, the application scenario is extensive, there are good low temperature resistance and reliability, satisfy 363 kV GIS at low temperature, the needs of high altitude area steady operation.
For solving the above problems, the specific technical scheme of the utility model is as follows: a bus device with a transverse compensation VP-type expansion joint comprises an external cylinder, an internal conductor and a basin-type insulator; the external cylinder structure is: corrugated pipe flanges are fixedly connected to two sides of the outer circumference of the aluminum alloy tank body, the corrugated pipe flanges and the corrugated pipes are welded and fixed, basin-type insulators are mounted on two end faces of the corrugated pipes, the basin-type insulators are connected with the corrugated pipe flanges through bolts, coaxial conductors are arranged inside the aluminum alloy tank body, contacts with spring contact fingers are inserted into two ends of the conductors, and the contacts are connected to inserts of the basin-type insulators through bolts; the periphery of each corrugated pipe is provided with 6M 16 screw rods I which are uniformly distributed; screw rods II are uniformly distributed on the outer circumference of the corrugated pipe flange, threaded sleeves are sleeved on the outer circumference of the screw rods II, an insulating medium is filled in the bus device, and the insulating medium is sulfur hexafluoride gas. The bus device of the transverse compensation expansion joint is vertically arranged with the axial direction of a bus shell to be compensated, deformation of the bus in the axial direction when the bus expands with heat and contracts with cold and errors in installation and civil engineering foundation deviation are compensated by using the limited lateral angle change of the expansion joints at two ends, and the bus device can be applied to a 330 kV voltage-class power system.
The standard length of the corrugated pipe is 260 mm, the middle aluminum alloy tank body can be designed into different lengths according to engineering requirements, and the standard tank body connected with the inflating hole and the explosion-proof membrane can be arranged according to engineering.
The contact comprises a spring contact finger with three circles of silver plating.
The outer cylinder is arranged horizontally or vertically. The limited lateral angle change of the expansion joints at two ends is used for compensating the deformation of the bus in the axial direction when the bus expands with heat and contracts with cold, and the error and the civil engineering foundation deviation in the installation process.
The end face of the basin-type insulator is connected with the large-diameter branch bus, so that the air pressure is reduced to prevent the low-temperature liquefaction of SF6 gas, and the requirements of northwest low-temperature areas are met.
The conductor is made of aluminum alloy.
The length of the conductor corresponds to the length of the outer cylinder.
The utility model discloses the beneficial effect who brings does: the transverse compensation VP-type telescopic joint bus device is vertically arranged with the axial direction of a bus shell to be compensated, and the limited lateral angle change of the telescopic joints at two ends is utilized to compensate the deformation of the bus in the axial direction when the bus expands with heat and contracts with cold, and errors and civil engineering foundation deviation in the installation process. The device has the characteristics of simple structure, flexible configuration, simple maintenance, long overhaul period, wide application occasions, good compensation and capability of meeting the requirement of stable operation of the 363 kV GIS in various complex climate areas.
Drawings
Fig. 1 is a schematic structural diagram of a VP type telescopic joint bus bar device with transverse compensation.
Detailed Description
As shown in fig. 1, a bus bar device with a transverse compensation VP type expansion joint comprises an external cylinder, an internal conductor 3, and a basin-type insulator 7; the external cylinder structure is: corrugated pipe flanges 9 are fixedly connected to two sides of the outer circumference of an aluminum alloy tank body 1, the corrugated pipe flanges 9 are welded and fixed with corrugated pipes 2, basin-type insulators 7 are mounted on two end faces of each corrugated pipe 2, the basin-type insulators 7 are connected with the corrugated pipe flanges 9 through bolts, coaxial conductors 3 are arranged inside the aluminum alloy tank body 1, two ends of each conductor 3 are inserted into a contact 4 with a spring contact finger, and the contact 4 is connected to an insert of each basin-type insulator 7 through a bolt; 6M 16 screw I5 are uniformly distributed on the periphery of each corrugated pipe 2; screw rods II6 are uniformly distributed on the outer circumference of the corrugated pipe flange 9, threaded sleeves 10 are sleeved on the outer circumference of the screw rods II6, and the interior of the bus device is filled with insulating media. The insulation medium adopts sulfur hexafluoride gas, the transverse compensation VP type telescopic joint bus device is axially and vertically arranged with a bus shell to be compensated, the limited lateral angle change of the telescopic joints at two ends is utilized to compensate the deformation of the bus during axial expansion with heat and contraction with cold, the error during installation and the civil engineering foundation deviation, and the device can be applied to a 330 kV voltage-class power system. Wherein, bellows 2 uses in groups, and screw rod II passes through behind each bellows flange 9 in proper order and fixes through the nut.
The standard length of the corrugated pipe 2 is 260 mm, the middle aluminum alloy tank body 1 can be designed into different lengths according to engineering requirements, and the standard tank body connected with the inflating hole and the explosion-proof membrane can be arranged according to engineering.
The contact 4 is provided with three circles of silver-plated spring contact finger contacts, and a shielding cover 8 is arranged outside the contact 4.
The aluminum alloy tank body 1 is horizontally arranged or vertically arranged. The limited lateral angle change of the expansion joints at two ends is used for compensating the deformation of the bus in the axial direction when the bus expands with heat and contracts with cold, and the error and the civil engineering foundation deviation in the installation process.
The end face of the basin-type insulator 7 is connected with a major-diameter branch bus. The pressure is reduced to prevent the SF6 gas from being liquefied at low temperature, and the requirements of northwest low-temperature areas are met.
The conductor 3 is made of aluminum alloy.
The length of the conductor 3 corresponds to that of the aluminum alloy tank body 1.
This device can transport alone in the transportation, also can transport together with other generating line units, reduces dismouting work, reduces the gas leakage rate.
When the telescopic joint is vertically installed, the screw sleeve 10 for adjustment must be installed below the bus compensation direction of the transverse compensation type telescopic joint and arranged with a 180-degree difference; when the telescopic joint is horizontally installed, the screw sleeve 10 for adjustment must be installed at the far end of the bus compensation direction of the transverse compensation type telescopic joint and arranged with a 180-degree difference; the specific installation position of the screw insert 10 is determined according to the actual compensation direction.
After the transverse compensation type expansion joint is installed, the nut and the screw rod are adjusted to ensure that the sizes of the upper expansion joint, the lower expansion joint, the left expansion joint and the right expansion joint are equal, and after the air chamber is inflated, the screw rod 5 for transportation is fixed on the corrugated pipe flange 9 and is locked by the nut.
And the deformation of the bus in the axial expansion with heat and contraction with cold, the error in installation and the civil foundation deviation are compensated by using the limited lateral angle change of the expansion joints at the two ends. The device has the characteristics of simple structure, flexible configuration, simple maintenance, long overhaul period, wide application occasions and good compensation, can be connected with a large-diameter branch bus, reduces the air pressure to prevent the low-temperature liquefaction of SF6 gas, and can meet the requirement of stable operation of 363 kV GIS in various complex climatic regions.
What has been described above is merely a preferred embodiment of the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications and improvements can be made, and shall be considered as belonging to the protection scope of the present invention.
Claims (7)
1. The utility model provides a take horizontal compensation VP type telescopic joint generating line device which characterized in that: consists of an external cylinder, an internal conductor (3) and a basin-type insulator (7); the external cylinder structure is: corrugated pipe flanges (9) are fixedly connected to two sides of the outer circumference of an aluminum alloy tank body (1), the corrugated pipe flanges (9) are welded and fixed with corrugated pipes (2), basin-type insulators (7) are installed on two end faces of each corrugated pipe (2), the basin-type insulators (7) are in bolt connection with the corrugated pipe flanges (9), coaxial conductors (3) are arranged inside the aluminum alloy tank body (1), contacts (4) with spring contact fingers are inserted into two ends of each conductor (3), and the contacts (4) are fixedly connected with inserts of the basin-type insulators (7); m16 screw rods I (5) are uniformly distributed on the periphery of each corrugated pipe (2); screw rods II (6) are uniformly distributed on the outer circumference of the corrugated pipe flange (9), threaded sleeves (10) are sleeved on the outer circumference of the screw rods II (6), and the interior of the bus device is filled with insulating media.
2. The VP expansion joint bus bar assembly with lateral compensation of claim 1, wherein: the standard length of the corrugated pipe (2) is 260 mm.
3. The VP expansion joint bus bar assembly with lateral compensation of claim 1, wherein: the contact (4) is provided with three circles of silver-plated spring contact fingers, and a shielding cover (8) is arranged outside the contact (4).
4. The VP expansion joint bus bar assembly with lateral compensation of claim 1, wherein: the aluminum alloy tank body (1) is horizontally arranged or vertically arranged.
5. The VP expansion joint bus bar assembly with lateral compensation of claim 1, wherein: the end surface of the basin-type insulator (7) is connected with a major diameter branch bus.
6. The VP expansion joint bus bar assembly with lateral compensation of claim 1, wherein: the conductor (3) is made of aluminum alloy.
7. The VP expansion joint bus bar assembly with lateral compensation of claim 1, wherein: the length of the conductor (3) corresponds to that of the aluminum alloy tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030915.4U CN212304635U (en) | 2020-06-08 | 2020-06-08 | Bus device with transverse compensation VP type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030915.4U CN212304635U (en) | 2020-06-08 | 2020-06-08 | Bus device with transverse compensation VP type expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212304635U true CN212304635U (en) | 2021-01-05 |
Family
ID=73939388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021030915.4U Active CN212304635U (en) | 2020-06-08 | 2020-06-08 | Bus device with transverse compensation VP type expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212304635U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904166A (en) * | 2021-01-28 | 2021-06-04 | 江苏恒高电气制造有限公司 | Wrapping device for internal arcing test |
| CN113949022A (en) * | 2021-09-03 | 2022-01-18 | 平高集团有限公司 | Pipeline generating line and bellows expansion joint for pipeline generating line |
| CN114765358A (en) * | 2021-01-13 | 2022-07-19 | 河南平高电气股份有限公司 | GIL (Gate electrode array) |
-
2020
- 2020-06-08 CN CN202021030915.4U patent/CN212304635U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114765358A (en) * | 2021-01-13 | 2022-07-19 | 河南平高电气股份有限公司 | GIL (Gate electrode array) |
| CN114765358B (en) * | 2021-01-13 | 2024-05-17 | 河南平高电气股份有限公司 | GIL (gas insulated switchgear) |
| CN112904166A (en) * | 2021-01-28 | 2021-06-04 | 江苏恒高电气制造有限公司 | Wrapping device for internal arcing test |
| CN113949022A (en) * | 2021-09-03 | 2022-01-18 | 平高集团有限公司 | Pipeline generating line and bellows expansion joint for pipeline generating line |
| CN113949022B (en) * | 2021-09-03 | 2023-03-10 | 平高集团有限公司 | Pipeline generating line and bellows expansion joint for pipeline generating line |
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Effective date of registration: 20231024 Granted publication date: 20210105 |
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Date of cancellation: 20240117 Granted publication date: 20210105 |
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