CN109217212B - Bus transmission system and bus supporting device thereof - Google Patents
Bus transmission system and bus supporting device thereof Download PDFInfo
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- CN109217212B CN109217212B CN201710514980.0A CN201710514980A CN109217212B CN 109217212 B CN109217212 B CN 109217212B CN 201710514980 A CN201710514980 A CN 201710514980A CN 109217212 B CN109217212 B CN 109217212B
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- supporting
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
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- Installation Of Bus-Bars (AREA)
Abstract
The invention relates to a bus transmission system and a bus supporting device thereof, wherein the bus supporting device comprises a support, the support comprises at least two supporting layers which are sequentially connected from top to bottom and are respectively used for supporting a corresponding bus, an insulation distinguishing structure is arranged between every two adjacent supporting layers, the insulation distinguishing structure enables the supporting layers not to be capable of flowing through, the eddy effect generated on the support when the bus flows through is weakened, the heating of the support is reduced, and the service life of the support is prolonged.
Description
Technical Field
The invention relates to the field of bus transmission equipment, in particular to a bus transmission system and a bus supporting device thereof.
Background
GIS (gas insulated metal enclosed switchgear) is an important link for power transmission of power plants and substations, and safe and reliable operation of GIS is a basic condition for power transmission of power plants and substations. The bus for the GIS comprises a bus shell and a bus conductor arranged in the bus shell, in order to reduce the occupied area of the GIS, the GIS bus adopts a mode of multi-layer arrangement from top to bottom, in the GIS project, when the length of the bus is long, the middle bus needs to be supported by the GIS, the prior art is that supporting legs are welded at the corresponding position of the bus shell, the bus is supported by the supporting legs, the structure of the bus shell is complex, and the production cost is increased.
Chinese utility model patent with grant bulletin number CN 203911330U discloses a combined adjustable multilayer bus bar supports, include with correspond three-phase bus bar respectively fixed connection's backup pad and with each backup pad fixed connection's support, the support is including the left branch strut, the right branch strut that are located the generating line both sides and span the three diaphragm between left branch strut and right branch strut, can be fixed with a support for the three-phase bus bar, reduced support piece's quantity. However, when current flows through the bus bar during the power transmission, an eddy current effect is induced on the stent.
Disclosure of Invention
The invention aims to provide a bus bar supporting device to reduce the eddy current effect generated on a bracket; meanwhile, the invention also aims to provide a bus transmission system using the bus supporting device.
In order to achieve the purpose, the technical scheme of the bus supporting device is as follows: the utility model provides a generating line strutting arrangement, includes the support, the support includes that at least two-layer that from top to bottom connects gradually is used for carrying out the supporting layer that supports to corresponding generating line respectively, is provided with insulating division structure between two adjacent supporting layers.
The two adjacent supporting layers are connected through a first bolt, and the insulation distinguishing structure comprises an insulation gasket arranged between the two adjacent supporting layers and a first insulation sleeve sleeved on the first bolt.
The quantity of supporting layer has threely, and the supporting layer includes supporting layer, middle supporting layer and under bracing layer, goes up supporting layer and middle supporting layer and all includes the U-shaped chassis, and the U-shaped chassis has the accommodation space who holds its below generating line, and the U-shaped chassis is including controlling the curb plate that the interval set up and the diaphragm that is located between the board of both sides, adopts second bolted connection between the curb plate of same U-shaped chassis and the diaphragm, and the cover is equipped with the insulating cover of second on the second bolt, on the curb plate with pass through between the diaphragm of adjacent chassis first bolt is connected in order to realize the connection of two adjacent supporting layers.
Each support layer comprises a support structure for supporting a corresponding bus, and the support structure is provided with a sliding support surface for supporting the bus and sliding matching with the bus to adjust the bus in a sliding manner.
The supporting structure comprises supporting beams symmetrically arranged in the radial direction of a bus, each supporting beam comprises a supporting beam body and an insulating base plate arranged at the upper end of the supporting beam body, the insulating base plates at the upper ends of the symmetrically arranged supporting beam bodies are obliquely arranged to form a V-shaped positioning structure, and the upper surfaces of the insulating base plates form the sliding supporting surfaces.
The technical scheme of the bus transmission system is as follows: the utility model provides a bus transmission system, includes the at least two-layer generating line that the interval set up from top to bottom and supports the generating line strutting arrangement of generating line, generating line strutting arrangement includes the support, the support is used for respectively carrying out the supporting layer to corresponding generating line including at least two that from top to bottom connect gradually, is provided with insulating division structure between two adjacent supporting layers.
The two adjacent supporting layers are connected through a first bolt, and the insulation distinguishing structure comprises an insulation gasket arranged between the two adjacent supporting layers and a first insulation sleeve sleeved on the first bolt.
The quantity of supporting layer has threely, and the supporting layer includes supporting layer, middle supporting layer and under bracing layer, goes up supporting layer and middle supporting layer and all includes the U-shaped chassis, and the U-shaped chassis has the accommodation space who holds its below generating line, and the U-shaped chassis is including controlling the curb plate that the interval set up and the diaphragm that is located between the board of both sides, adopts second bolted connection between the curb plate of same U-shaped chassis and the diaphragm, and the cover is equipped with the insulating cover of second on the second bolt, on the curb plate with pass through between the diaphragm of adjacent chassis first bolt is connected in order to realize the connection of two adjacent supporting layers.
Each support layer comprises a support structure for supporting a corresponding bus, and the support structure is provided with a sliding support surface for supporting the bus and sliding matching with the bus to adjust the bus in a sliding manner.
The supporting structure comprises supporting beams symmetrically arranged in the radial direction of a bus, each supporting beam comprises a supporting beam body and an insulating base plate arranged at the upper end of the supporting beam body, the insulating base plates at the upper ends of the symmetrically arranged supporting beam bodies are obliquely arranged to form a V-shaped positioning structure, and the upper surfaces of the insulating base plates form the sliding supporting surfaces.
The invention has the beneficial effects that: the support is provided with insulating partition structure between two adjacent supporting layers from top to bottom including the supporting layer that sets gradually from top to bottom, makes can not the through-flow between each supporting layer, has weakened the vortex effect that the generating line produced on the support when the through-flow, has reduced generating heat of support, prolongs its life.
Further, all have the slip holding surface on each bearing structure for with correspond the generating line and support, and when the temperature variation of generating expend with heat and contract with cold or when taking place vibrations as the generating line, the generating line can slide the adjustment on the slip holding surface, can't release when having avoided prior art generating line expend with heat and contract with cold and warp and cause generating line trouble problem.
Furthermore, a sliding supporting surface is formed on the upper surface of the insulating base plate, the bus is in contact with the insulating base plate, friction is small, and the bus can slide along the insulating base plate conveniently when expanding with heat and contracting with cold.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a bus transmission system according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural view of the support structure of FIG. 1;
fig. 4 is a schematic structural view of an insulating partition structure between adjacent support layers in fig. 1.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the first embodiment of the bus power transmission system of the present invention, as shown in fig. 1 to 4, bus support devices for supporting three-phase buses and supporting buses are sequentially arranged from top to bottom at intervals, each bus support device includes an upper support layer 1, a middle support layer 2, and a lower support layer 3, which are sequentially arranged from top to bottom and used for supporting a corresponding bus, and each bus 4 includes a bus housing and a bus conductor arranged in the bus housing. Each supporting layer comprises a U-shaped bottom frame, a supporting structure used for supporting the corresponding bus is arranged on each U-shaped bottom frame, and each U-shaped bottom frame is formed by welding H-shaped steel. Support structure, as shown in fig. 3, including a supporting beam 6 along the radial direction symmetrical arrangement of generating line, a supporting beam 6 includes a supporting beam body and sets up in an insulating backing plate 10 of a supporting beam body upper end, the slope of the insulating backing plate of two supporting beam body upper ends is arranged in order to form V-arrangement location structure, two insulating backing plates 10 are used for supporting with the contact of generating line casing, the upper surface of insulating backing plate 10 forms and is used for supporting the cooperation with the generating line casing that corresponds the generating line and can with generating line sliding fit's slip supporting surface 11 when the generating line takes place expend with heat and contract with cold, the frictional force between generating line and the insulating backing plate 10 can be reduced in the use of insulating backing plate 10, slide on the insulating.
An adjusting structure used for adjusting the distance between the symmetrically arranged supporting beams is arranged between each supporting beam 6 and the corresponding U-shaped underframe, the adjusting structure comprises an adjusting long hole arranged on the U-shaped underframe and a locking bolt 9 arranged on the supporting beam, an adjusting rod 7 penetrates through the symmetrically arranged supporting beams 6, a thread section is arranged on the adjusting rod 7, and an adjusting nut 8 is connected to the thread section in a threaded manner. When the distance between the two supporting beams 6 needs to be adjusted, the locking bolt 9 is firstly unscrewed, then the distance between the two supporting beams 6 is adjusted by rotating the adjusting nut 8, and the locking bolt 9 is used for fixing each supporting beam 6 after adjustment.
Each U-shaped underframe is also provided with a limiting piece for limiting the upward tilting of the bus to separate from the supporting structure, and the limiting piece is provided with an inner wall surface which forms a gap with the bus and is used for stopping the upward tilting of the bus. In this embodiment, the limiting member is a U-shaped bolt 15 installed with an opening facing downward, a U-shaped space 16 of the U-shaped bolt 15 is in clearance fit with the bus, so that the bus can smoothly slide when expanding with heat and contracting with cold, and a bottom surface of the U-shaped space of the U-shaped bolt 15 is the inner wall surface.
The adjacent supporting layers are detachably connected through the first bolt 12, so that the supporting layers can be conveniently disassembled and assembled. An insulating distinguishing structure is arranged between the adjacent supporting layers and comprises an insulating gasket 13 arranged between the two adjacent supporting layers and an insulating sleeve 14 sleeved outside the first bolt 12, so that a current loop can be prevented from being generated on the whole support, the supporting layers are not communicated, and the eddy current effect on the support is weakened. All have the accommodation space who holds its below generating line on the U-shaped chassis of going up supporting layer and middle supporting layer, its U-shaped chassis is all including the curb plate that controls the interval setting and the diaphragm that is located between the board of both sides, adopts second bolted connection between the curb plate of same U-shaped chassis and the diaphragm, and the cover is equipped with the insulating cover of second on the second bolt, makes also through-flow between the same U-shaped chassis, further weakens the eddy current effect. The side plates and the transverse plates of the adjacent bottom frames are connected through the first bolts 12 to realize the connection of the two adjacent supporting layers. The supporting device further comprises a foundation transition plate 5, the bottom frame of the lower supporting layer 3 is connected to the foundation transition plate 5 through connecting bolts, and the connecting bolts are directly detached when the maintenance or disassembly is needed, so that the foundation does not need to be damaged.
The second embodiment of the bus transmission system of the invention is different from the first embodiment in that two adjacent support layers can be connected in a plugging manner, and at the moment, the insulation partition structure only comprises an insulation gasket arranged between the two support layers or an insulation coating coated on the support layers.
The third embodiment of the bus transmission system of the invention is different from the first embodiment in that the underframe of the lower supporting layer is not in a U-shaped structure and can be in a rectangular structure, a trapezoidal structure or a triangular structure.
In a fourth embodiment of the busbar power transmission system according to the invention, the difference from the first embodiment is that the support structure can be fixedly connected to the corresponding busbar.
In the fifth embodiment of the bus transmission system according to the present invention, a metal plate is provided at an upper end of the support beam, and a sliding support surface is formed on an upper surface of the metal plate.
The sixth embodiment of the bus power transmission system of the invention is different from the first embodiment in that the limiting member is not a U-shaped bolt, and the limiting member can be an anchor ear, and the anchor ear is in clearance fit with the bus.
The seventh embodiment of the bus power transmission system of the invention is different from the first embodiment in that the side plates and the transverse plates of the same U-shaped bottom frame can be welded.
The embodiment of the bus bar supporting device is the same as that of the bus bar supporting device in each embodiment of the bus bar power transmission system, and the details are not repeated here.
Claims (6)
1. The utility model provides a generating line strutting arrangement, includes the support, its characterized in that: the support comprises at least two support layers which are sequentially connected from top to bottom and are respectively used for supporting corresponding buses, and an insulation distinguishing structure is arranged between every two adjacent support layers; the adjacent two supporting layers are connected through a first bolt, and the insulation distinguishing structure comprises an insulation gasket arranged between the adjacent two supporting layers and a first insulation sleeve sleeved on the first bolt; the number of the supporting layers is three, each supporting layer comprises an upper supporting layer, a middle supporting layer and a lower supporting layer, each upper supporting layer and each middle supporting layer comprises a U-shaped bottom frame, each U-shaped bottom frame is provided with a containing space for containing a bus below the U-shaped bottom frame, each U-shaped bottom frame comprises side plates arranged at intervals left and right and transverse plates positioned between the two side plates, the side plates and the transverse plates of the same U-shaped bottom frame are connected through second bolts, second insulating sleeves are sleeved on the second bolts, and the side plates and the transverse plates of the adjacent bottom frames are connected through the first bolts so as to realize the connection of the two adjacent supporting layers; the bus bar support is arranged on the upper side of the transverse plate corresponding to the support layer.
2. The bus bar support apparatus of claim 1, wherein: each support layer comprises a support structure for supporting a corresponding bus, and the support structure is provided with a sliding support surface for supporting the bus and sliding matching with the bus to adjust the bus in a sliding manner.
3. The bus bar support apparatus of claim 2, wherein: the supporting structure comprises supporting beams symmetrically arranged in the radial direction of a bus, each supporting beam comprises a supporting beam body and an insulating base plate arranged at the upper end of the supporting beam body, the insulating base plates at the upper ends of the symmetrically arranged supporting beam bodies are obliquely arranged to form a V-shaped positioning structure, and the upper surfaces of the insulating base plates form the sliding supporting surfaces.
4. The utility model provides a generating line transmission system, includes the at least two-layer generating line that the interval set up from top to bottom and the generating line strutting arrangement who supports the generating line, generating line strutting arrangement includes the support, its characterized in that: the support comprises at least two support layers which are sequentially connected from top to bottom and are respectively used for supporting corresponding buses, and an insulation distinguishing structure is arranged between every two adjacent support layers; the adjacent two supporting layers are connected through a first bolt, and the insulation distinguishing structure comprises an insulation gasket arranged between the adjacent two supporting layers and a first insulation sleeve sleeved on the first bolt; the number of the supporting layers is three, each supporting layer comprises an upper supporting layer, a middle supporting layer and a lower supporting layer, each upper supporting layer and each middle supporting layer comprises a U-shaped bottom frame, each U-shaped bottom frame is provided with a containing space for containing a bus below the U-shaped bottom frame, each U-shaped bottom frame comprises side plates arranged at intervals left and right and transverse plates positioned between the two side plates, the side plates and the transverse plates of the same U-shaped bottom frame are connected through second bolts, second insulating sleeves are sleeved on the second bolts, and the side plates and the transverse plates of the adjacent bottom frames are connected through the first bolts so as to realize the connection of the two adjacent supporting layers; the bus bar support is arranged on the upper side of the transverse plate corresponding to the support layer.
5. The bus bar power transmission system of claim 4, wherein: each support layer comprises a support structure for supporting a corresponding bus, and the support structure is provided with a sliding support surface for supporting the bus and sliding matching with the bus to adjust the bus in a sliding manner.
6. The bus bar power transmission system of claim 5, wherein: the supporting structure comprises supporting beams symmetrically arranged in the radial direction of a bus, each supporting beam comprises a supporting beam body and an insulating base plate arranged at the upper end of the supporting beam body, the insulating base plates at the upper ends of the symmetrically arranged supporting beam bodies are obliquely arranged to form a V-shaped positioning structure, and the upper surfaces of the insulating base plates form the sliding supporting surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514980.0A CN109217212B (en) | 2017-06-29 | 2017-06-29 | Bus transmission system and bus supporting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514980.0A CN109217212B (en) | 2017-06-29 | 2017-06-29 | Bus transmission system and bus supporting device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109217212A CN109217212A (en) | 2019-01-15 |
| CN109217212B true CN109217212B (en) | 2020-12-18 |
Family
ID=64976333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710514980.0A Active CN109217212B (en) | 2017-06-29 | 2017-06-29 | Bus transmission system and bus supporting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109217212B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636189B (en) * | 2020-12-11 | 2023-05-26 | 河南平高电气股份有限公司 | Gas-insulated metal-enclosed switchgear and bus bar supporting device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19653922C1 (en) * | 1996-12-21 | 1998-07-02 | Bergner Richard Gmbh Co | Support device of tubular bus=bar e.g. for power transmission in HV switchgear and switching-stations |
| CN204156313U (en) * | 2014-09-28 | 2015-02-11 | 大唐甘肃发电有限公司景泰发电厂 | A kind of structure reducing field regulator interchange incoming line cabinet eddy current effect |
-
2017
- 2017-06-29 CN CN201710514980.0A patent/CN109217212B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19653922C1 (en) * | 1996-12-21 | 1998-07-02 | Bergner Richard Gmbh Co | Support device of tubular bus=bar e.g. for power transmission in HV switchgear and switching-stations |
| CN204156313U (en) * | 2014-09-28 | 2015-02-11 | 大唐甘肃发电有限公司景泰发电厂 | A kind of structure reducing field regulator interchange incoming line cabinet eddy current effect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109217212A (en) | 2019-01-15 |
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