CN203632159U - Bearing and supporting structure for vertical section of heavy-current enclosed bus - Google Patents
Bearing and supporting structure for vertical section of heavy-current enclosed bus Download PDFInfo
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- CN203632159U CN203632159U CN201320724518.0U CN201320724518U CN203632159U CN 203632159 U CN203632159 U CN 203632159U CN 201320724518 U CN201320724518 U CN 201320724518U CN 203632159 U CN203632159 U CN 203632159U
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- bearing
- insulator
- shell
- supporting structure
- vertical section
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Abstract
The utility model discloses a bearing and supporting structure for a vertical section of a heavy-current enclosed bus, relating to bearing structures for heavy-current enclosed buses. The bearing and supporting structure comprises multiple enclosed buses (1) which are arranged separately, each enclosed bus (1) is composed of multiple vertical bearing units (2) which are arranged up and down, each vertical bearing unit (2) comprises a housing (3) and a lead (4) positioned in the housing (3), a housing bearing and supporting structure (20) and at least four insulator groups (5) are mounted on the housing (4), the insulator groups (5) are arranged up and down, each insulator group (5) is composed of three insulators (6) which are arranged in a Y shape, one end of each insulator (6) is connected to a positioning plate (7), the other end of the insulator (6) is fixed on the housing (3), the lower end of the positioning plate (7) is successively connected with a pull bar (8) and a conductor support (9), and the conductor support (9) is fixed on the conductor (4). The bearing and supporting structure is simple in structure and convenient to use, can meet the bearing requirements for the vertical section of long vertical enclosed bus, reduces the bearing of the insulators, and enhances the sealing effect at insulator support positions.
Description
Technical field
The utility model relates to the load-carrying members of large electric current enclosed busbar, specifically a kind of large electric current enclosed busbar vertical section load-bearing supporting structure.
Background technology
Power station generator adopts isolated-phase enclosed bus to be connected with main transformer, the arrangement that isolated-phase enclosed bus connects and the arrangement of main transformer are closely related, both at home and abroad underground power station conventionally main transformer is arranged in the level special main transformer of generator floor cavern in, be convenient to main transformer transportation and operation centralized management.
At present, there is multiple different supporting construction in the long vertical enclosed busbar of large electric current, but these supporting constructions are generally being deposited such or such shortcoming, main manifestations is: can not effectively solve the long conductor of vertical enclosed busbar in long-time running of large electric current and the load-bearing problem of shell 1.; 2. due to more than the length of long vertical enclosed busbar often can reach 100m, thereby the active force that the bottom of long vertical enclosed busbar is subject to is very large, prior art is to install some fasteners additional in the bottom of enclosed busbar to realize the support to enclosed busbar, but technique scheme high cost, structure is more complicated, and maintenance is inconvenient; 3. the insulator of existing enclosed busbar is easily fractureed, and post insulator place sealing effectiveness is poor, is therefore necessary to improve.
Summary of the invention
The purpose of this utility model is the weak point in order to overcome background technology, and a kind of large electric current enclosed busbar vertical section load-bearing supporting structure is provided.
To achieve these goals, the technical solution of the utility model is: large electric current enclosed busbar vertical section load-bearing supporting structure, it is characterized in that: comprise multiple spaced apart enclosed busbars, described enclosed busbar is made up of multiple vertical bearing units of arranging up and down that are, vertically bearing unit comprises shell and is positioned at the conductor of enclosure, at least four groups are installed on described shell and are the insulation subgroup of arranging up and down, insulation subgroup is made up of three insulators that are Y-type layout, described insulator one end is connected with location-plate, the insulator other end is fixed on shell, the lower end of described location-plate is connected with pull bar in turn and is fixed on the conductor bearing on conductor.
In technique scheme, each vertical bearing unit is a relatively independent stress unit, the deadweight of each vertical cell section conductor is born by this unit insulator completely, and power is passed to shell by insulator, and the deadweight of conductor and shell is all born by shell load-bearing supporting structure.
Be between the shell of neighbouring layout for being flexible coupling, be between the conductor of neighbouring layout for being flexible coupling.
In technique scheme, be flexible coupling to play and reduce vibration and noise, and can be to the redeeming of expanding with heat and contract with cold causing because of variations in temperature.
Described shell load-bearing supporting structure comprises multiple spaced apart crossbeams, and crossbeam upper end is connected with anchor ear, and crossbeam lower end is connected with cross beam support plate, and described anchor ear is connected with shell, and described cross beam support plate is connected with the A-frame being fixed on embedment for Civil Works part.
In technique scheme, shell is fixed on crossbeam by anchor ear, and crossbeam is fixed on embedment for Civil Works part by A-frame, thereby can solve the load-bearing problem of vertical bearing unit.
The length of described enclosed busbar is 150～170m, and the length of described vertical bearing unit is 11～13m.
In technique scheme, the optimum length of enclosed busbar is 160m, and vertically the optimum length of bearing unit is 12m.
On described location-plate, be connected with elastomer block, between end, location-plate and the elastomer block of described insulator, fix by bolt or screw.
In technique scheme, said structure is the syndeton of location-plate and insulator.
Insulator bearing is installed on the outer wall of described shell, and the end of described insulator is fixedly connected with insulator bearing.
In technique scheme, said structure is that insulator is fixed on the structure on shell.
On described insulator bearing, be connected with sealing gasket, described insulator bearing and sealing gasket are all fixed on shell by bolt or screw.
In technique scheme, said structure is that insulator bearing is fixed on the structure on shell.
The lower end of described sealing gasket is connected with insulator supporting bracket, and the lower end of insulator supporting bracket is fixed on insulator bearing by bolt or screw.
In technique scheme, insulator supporting bracket can play to sealing gasket the effect of support, can further increase structural stability of the present utility model.
The utility model is simple in structure, easy to use, not only can realize long vertical enclosed busbar in the vertically load-bearing requirement of section, and has reduced the load-bearing of insulator, has increased the sealing effectiveness of insulator support place.
Accompanying drawing explanation
Fig. 1 is vertical view of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is left view of the present utility model.
Fig. 4 is the single vertical bearing unit structural representation while linking together with insulation subgroup.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the structural representation after insulator, insulator bearing, sealing gasket and insulator supporting bracket link together.
Fig. 7 is the structural representation of insulator bearing
Fig. 8 is the structural representation of sealing gasket while being connected with insulator supporting bracket.
Fig. 9 is the local enlarged diagram of A in Fig. 3.
In figure: 1-enclosed busbar, the vertical bearing unit of 2-, 3-shell, 4-conductor, the 5-subgroup that insulate, 6-insulator, 7-location-plate, 8-pull bar, 9-conductor bearing, 10-crossbeam, 11-anchor ear, 12-cross beam support plate, 13-embedment for Civil Works part, 14-A-frame, 15-elastomer block, 16-bolt or screw, 17-insulator bearing, 18-sealing gasket, 19-insulator supporting bracket, 20-shell load-bearing supporting structure.
Embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not form to restriction of the present utility model, only for example.Make advantage of the present utility model more know and easily understand by explanation simultaneously.
Consult accompanying drawing known: large electric current enclosed busbar vertical section load-bearing supporting structure, it is characterized in that: comprise multiple spaced apart enclosed busbars 1, described enclosed busbar 1 is made up of multiple vertical bearing units 2 of arranging up and down that are, vertically bearing unit 2 comprises shell 3 and is positioned at the conductor 4 of shell 3 inside, shell load-bearing supporting structure 20 is installed on described shell 4, and at least four group be up and down the insulation subgroup 5 of arranging, insulation subgroup 5 is made up of three insulators 6 that are Y-type layout, described insulator 6 one end are connected with location-plate 7, insulator 6 other ends are fixed on shell 3, the lower end of described location-plate 7 is connected with pull bar 8 in turn and is fixed on the conductor bearing 9 on conductor 4.
Each vertical bearing unit 2 is a relatively independent stress unit, and the deadweight of the conductor 4 of each vertical cell section 2 is born by this unit insulator completely, and power is passed to shell by insulator 6; The deadweight of conductor 4 and shell 3 is all born by shell load-carrying members 20.
Be between the shell 3 of neighbouring layout for being flexible coupling, be between the conductor 4 of neighbouring layout for being flexible coupling.Be flexible coupling to play and reduce vibration and noise, and can be to the redeeming of expanding with heat and contract with cold causing because of variations in temperature.
Described shell load-bearing supporting structure 20 comprises multiple spaced apart crossbeams 10, crossbeam 10 upper ends are connected with anchor ear 11, crossbeam 10 lower ends are connected with cross beam support plate 12, and described anchor ear 11 is connected with shell 3, and described cross beam support plate 12 is connected with the A-frame 14 being fixed on embedment for Civil Works part 13.
Shell is fixed on crossbeam by anchor ear, and crossbeam is fixed on embedment for Civil Works part 13 by A-frame 14, thereby can solve the load-bearing problem of vertical bearing unit.
The length of described enclosed busbar 1 is 160m, and the length of described vertical bearing unit 2 is 12m.
On described location-plate 7, be connected with elastomer block 15, fixing by bolt or screw 16 between end, location-plate 7 and the elastomer block 15 of described insulator 6.Said structure is the syndeton of location-plate 7 and insulator 6.
Insulator bearing 17 is installed on the outer wall of described shell 3, and the end of described insulator 6 is fixedly connected with insulator bearing 17.Said structure is that insulator 6 is fixed on the structure on shell 3.
On described insulator bearing 17, be connected with sealing gasket 18, described insulator bearing 17 and sealing gasket 18 are all fixed on shell 3 by bolt or screw 16.Said structure is that insulator bearing 17 is fixed on the structure on shell 3.
The lower end of described sealing gasket 18 is connected with insulator supporting bracket 19, and the lower end of insulator supporting bracket 19 is fixed on insulator bearing 17 by bolt or screw 16.。
In practical work process, be between the shell 3 of neighbouring layout and adopt two semi-circular axis tiles to be welded to connect at the scene, and be provided with aluminium bellow-type expansion joint, between conductor 4, adopt aluminium lamination expansion joint to weld at the scene.Each vertical bearing unit 2 is provided with four groups of insulators 6 and supports as conductor 4, and insulator bearing 17 is welded on shell 3.For each vertical bearing unit 2, that group insulation subgroup 6(being positioned at topmost becomes the insulator of 120 ° to form by three each other) by fixing as a whole to bus and shell 3, its excess-three group insulation subgroup (being made up of 9 insulators that are left) is slidably connected with being connected to of conductor 4.The variation of bus length when this structure can absorb bus-bars conductor 4 and shell 3 rising-heat contracting-cold by the aluminium bellows on the expansion joint on conductor 4 and shell 3, supporting the insulator 6 of conductor 4 due to one group, top is fixing support, therefore can only to put in the vertical direction at two ends distortion at fixed support flexible for conductor 4, the distortion of conductor 4 and shell 3 passes to expansion joint and bellows absorbs the most at last, thereby has overcome the problem of bus rising-heat contracting-cold in service.
In practical work process, because 3, conductor 4, the shell of two vertical cell sections 2 are the expansion joint structure that is flexible coupling, therefore whole conductor 4 and shell 3 can be regarded as to several independent stressed units.The deadweight of the conductor 4 of each vertical cell section 2 is born by this unit insulator 6 completely, and power is passed to shell 3 by insulator 6; The deadweight of conductor 4 and shell 3 is all born by shell load-carrying members 20.Shell 3 supporting structures are fixed on gooseneck 10, and gooseneck 10 is fixed on the embedment for Civil Works part 13 of hoistway wall.The long 12m of the each vertical cell section 2 of this engineering, comprises 4 groups of insulation subgroups 5, and through adjusting, supporting member intensity all meets load-bearing burden requirement.Simultaneously because bottom three assembly housing 3 supporting constructions are sliding support, in service due to electromagnetic force and expand with heat and contract with cold while producing displacement at enclosed busbar, play enclosed busbar in the horizontal direction with the fixing effect of crag.
The utility model has solved the load-bearing of the long vertical enclosed busbar of large electric current and has supported a difficult problem, for design and construction and the operation of large hydropower station from now on has promotional value.
Other unaccounted part all belongs to prior art.
Claims (8)
1. large electric current enclosed busbar vertical section load-bearing supporting structure, it is characterized in that: comprise multiple spaced apart enclosed busbars (1), described enclosed busbar (1) is made up of multiple vertical bearing units (2) of arranging up and down that are, vertically bearing unit (2) comprises shell (3) and is positioned at the inner conductor (4) of shell (3), shell load-bearing supporting structure (20) is installed on described shell (4), and at least four group be up and down the insulation subgroup (5) of arranging, insulation subgroup (5) is made up of three insulators (6) that are Y-type layout, described insulator (6) one end is connected with location-plate (7), insulator (6) other end is fixed on shell (3), the lower end of described location-plate (7) is connected with pull bar (8) in turn and is fixed on the conductor bearing (9) on conductor (4).
2. large electric current enclosed busbar vertical section load-bearing supporting structure according to claim 1, is characterized in that: be between the shell (3) of neighbouring layout for being flexible coupling, be between the conductor (4) of neighbouring layout for being flexible coupling.
3. large electric current enclosed busbar vertical section load-bearing supporting structure according to claim 1, it is characterized in that: described shell load-bearing supporting structure (20) comprises multiple spaced apart crossbeams (10), crossbeam (10) upper end is connected with anchor ear (11), crossbeam (10) lower end is connected with cross beam support plate (12), described anchor ear (11) is connected with shell (3), and described cross beam support plate (12) is connected with the A-frame (14) being fixed on embedment for Civil Works part (13).
4. according to the large electric current enclosed busbar vertical section load-bearing supporting structure described in any one claim in claims 1 to 3, it is characterized in that: the length of described enclosed busbar (1) is 150～170m, the length of described vertical bearing unit (2) is 11～13m.
5. according to the large electric current enclosed busbar vertical section load-bearing supporting structure described in any one claim in claims 1 to 3, it is characterized in that: on described location-plate (7), be connected with elastomer block (15), fixing by bolt or screw (16) between end, location-plate (7) and the elastomer block (15) of described insulator (6).
6. according to the large electric current enclosed busbar vertical section load-bearing supporting structure described in any one claim in claims 1 to 3, it is characterized in that: insulator bearing (17) is installed on the outer wall of described shell (3), and the end of described insulator (6) is fixedly connected with insulator bearing (17).
7. large electric current enclosed busbar vertical section load-bearing supporting structure according to claim 6, it is characterized in that: on described insulator bearing (17), be connected with sealing gasket (18), described insulator bearing (17) and sealing gasket (18) are all fixed on shell (3) by bolt or screw (16).
8. large electric current enclosed busbar vertical section load-bearing supporting structure according to claim 7, it is characterized in that: the lower end of described sealing gasket (18) is connected with insulator supporting bracket (19), the lower end of insulator supporting bracket (19) is fixed on insulator bearing (17) by bolt or screw (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724518.0U CN203632159U (en) | 2013-11-15 | 2013-11-15 | Bearing and supporting structure for vertical section of heavy-current enclosed bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724518.0U CN203632159U (en) | 2013-11-15 | 2013-11-15 | Bearing and supporting structure for vertical section of heavy-current enclosed bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632159U true CN203632159U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320724518.0U Expired - Lifetime CN203632159U (en) | 2013-11-15 | 2013-11-15 | Bearing and supporting structure for vertical section of heavy-current enclosed bus |
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| CN (1) | CN203632159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129933A (en) * | 2016-08-25 | 2016-11-16 | 江苏瑞欧宝电气股份有限公司 | A kind of closing common box bus right angle setting flexible fastening supporting structure |
-
2013
- 2013-11-15 CN CN201320724518.0U patent/CN203632159U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129933A (en) * | 2016-08-25 | 2016-11-16 | 江苏瑞欧宝电气股份有限公司 | A kind of closing common box bus right angle setting flexible fastening supporting structure |
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| GR01 | Patent grant |