CN215772444U - Bus structure for large-capacity wind generating set - Google Patents
Bus structure for large-capacity wind generating set Download PDFInfo
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- CN215772444U CN215772444U CN202122042071.6U CN202122042071U CN215772444U CN 215772444 U CN215772444 U CN 215772444U CN 202122042071 U CN202122042071 U CN 202122042071U CN 215772444 U CN215772444 U CN 215772444U
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Abstract
The utility model discloses a bus structure for a large-capacity wind generating set, and belongs to the technical field of power transmission parts. It includes an insulation shield cylinder assembly including an insulation cylinder; the pipe sleeve is sleeved on the outer side wall of the insulating cylinder; the end part of a bus passes through the insulating support tube and extends into the insulating cylinder; the end part of the other bus bar penetrates through the sealing sleeve and extends into the insulating cylinder; adjacent end parts of two adjacent buses in the vertical direction are flexibly connected; one end of the insulation shielding assembly is fixedly connected with the side wall of the tower barrel through the fixed platform assembly. According to the utility model, the platform of the tower barrel is used as a fixed supporting point to fix the top end position of the bus, and the elastic supporting component is matched, so that each fixed bus forms a pendulum structure, the length of a single product can be prolonged to the maximum extent, the number of joints is reduced, the stability of bus installation and laying is improved, and the problem of chimney effect of the tower barrel is effectively solved.
Description
Technical Field
The utility model belongs to the technical field of power transmission parts, and particularly relates to a bus structure for a large-capacity wind generating set.
Background
Wind power generation is used as a novel clean energy source and is generally popularized in various places in the world, at present, rated voltage of a wind generating set is mainly concentrated to be 1000 (1140) V or below, along with the development of the market, the capacity of the set is larger and larger, the improvement of voltage level is more and more beneficial to cost saving, and the wind power tubular conductor bus gradually becomes the mainstream of market application through development. The wind power tube bus in the market has more structural modes, and the structure mainly comprises a parallel type bus and a Chinese character pin type bus according to the arrangement mode of conductors; the bus for the large-capacity wind generating set is applied to the wind power tower cylinder for transmitting the electric energy of the generating set by means of the mature large-capacity insulating tube bus technology.
The conventional method for fixing the bus of the tower drum has a plurality of defects, installation stress cannot be released, the chimney effect of the tower drum cannot be solved, the fixing structure is complex, the length of a single bus is limited, and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above problems, the present invention adopts the following technical solutions.
A bus structure for a large-capacity wind generating set comprises an insulation shielding barrel assembly, and comprises:
the insulating cylinder is a hollow cylinder body with openings at two ends, and the end parts of the two buses respectively extend into the insulating cylinder from the upper opening and the lower opening of the insulating cylinder;
the pipe sleeve is sleeved on the outer side wall of the insulating cylinder;
the insulating support tube is inserted into an opening at one end of the insulating cylinder, the end part of a bus penetrates through the insulating support tube and extends into the insulating cylinder, and one end part of the insulating support tube is fixedly connected with the side wall of the end part of the bus;
the sealing sleeve is arranged at an opening at the other end of the insulating cylinder, and the end part of the other bus passes through the sealing sleeve and extends into the insulating cylinder;
adjacent end parts of two adjacent buses in the vertical direction are flexibly connected;
one end of the insulation shielding assembly is fixedly connected with the side wall of the tower barrel through the fixed platform assembly.
Further, the fixed platform assembly comprises:
the platform is of a plate-shaped structure provided with a tower drum wall, and a plurality of through holes are formed in the platform in a penetrating mode at positions corresponding to the buses for the buses to penetrate through;
the middle part of the supporting tray is provided with a through hole for the bus to pass through, and the bottom of the supporting tray is detachably connected with the top of the through hole of the platform.
Further, the insulative shield cartridge assembly further comprises:
the first connecting flange is formed at one end part of the pipe sleeve and is detachably connected with the supporting tray;
a second connecting flange formed at the other end of the pipe sleeve;
and the sealing flange is detachably connected with the second connecting flange and fixes the bottom of the sealing sleeve.
Further, the other end part of the insulating support pipe penetrates through the support tray and extends out, and the side wall of the other end part of the insulating support pipe is in fit contact with the inner wall of the support tray.
Furthermore, a rubber pad is arranged, and the side wall of the other end of the insulating supporting tube is in fit contact with the inner wall of the supporting tray through the rubber pad.
Further, the supporting tray is formed by splicing two half-type structures which are symmetrical in shape.
Further, still include the elastic support subassembly, it includes:
the fixing frame is provided with a through hole for the bus to pass through;
the elastic piece is of an elastic structure, and one end of the elastic piece is fixedly connected with the fixed frame;
the connecting sheet is fixedly connected with the other end of the elastic piece;
one end of the upright post is fixedly connected with the connecting sheet, and the other end of the upright post is fixedly formed on the wall of the tower drum.
Furthermore, the top end of the lower bus bar penetrates through the insulation support tube and extends upwards into the insulation cylinder, and the bottom end of the upper bus bar penetrates through the sealing sleeve and extends downwards into the insulation cylinder.
Furthermore, the bottom end of the upper bus bar penetrates through the insulation support tube and extends downwards into the insulation cylinder, and the top end of the lower bus bar penetrates through the sealing sleeve and extends upwards into the insulation cylinder.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
the bus structure for the large-capacity wind generating set fixes the top end position of each bus by using the platform structure of the tower as the fixed supporting point, reduces the processing amount of the fixed bus to the tower structure, can effectively solve the chimney effect problem of the tower, for the joint of two adjacent buses, the insulating shielding cylinder assembly can ensure the insulativity and the sealability of the joint, and by matching with the elastic support assembly, each fixed bus forms a pendulum structure, one end part is stably fixed, the other end part is elastically supported and fixed, the conductor stress of the bus in the operation in a tower can be effectively released, the failure or damage of the connection structure caused by the bending of the conductor due to external force and the action of thermal expansion and cold contraction is avoided, meanwhile, the bus structure for the large-capacity wind generating set can prolong the length of a single product to the maximum extent, reduce the number of joints and improve the stability of bus installation and laying.
Drawings
FIG. 1 is a schematic structural view of a bus for a large-capacity wind turbine generator system according to the present invention;
FIG. 2 is another view schematic diagram of the bus structure for the large-capacity wind turbine generator system according to the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is a schematic view of the installation position of the insulating support tube according to the present invention;
FIG. 5 is a schematic view of a shield insulator cartridge assembly of the present invention;
FIG. 6 is a schematic view of a fixed platen assembly of the present invention;
FIG. 7 is a schematic view of another aspect of the mounting plate assembly of the present invention;
FIG. 8 is a schematic view of the resilient support assembly of the present invention;
FIG. 9 is a schematic view of another perspective of the flexible support assembly of the present invention;
in the figure:
1. an insulating shield cartridge assembly;
10. an insulating cylinder; 11. pipe sleeve; 12. an insulating support tube; 120. riveting; 121. a rubber pad; 13. sealing sleeves; 14. a first connecting flange; 15. a second connecting flange; 16. sealing the flange; 17. clamping a hoop;
2. a fixed platform assembly;
20. a platform; 21. a support tray;
3. an elastic support member;
30. a fixed mount; 31. an elastic member; 32. connecting sheets; 33. a column;
1000. a wall of the tower drum;
2000. and a bus bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "a," "an," "two," and similar referents in the description and claims of this patent application does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, "a" or "an" or similar words do not denote a limitation of quantity, but rather denote the presence of at least one.
The bus bar structure for a large-capacity wind generating set of the present invention is mainly used for fixedly laying a bus bar 2000 structure on a side wall of a target building, and in this embodiment and the accompanying drawings, a schematic view of fixing the bus bar 2000 structure and a tower wall 1000 of a wind turbine generator in a delta-shaped arrangement is shown, as shown in fig. 1 and fig. 2.
The structure of this embodiment mainly has the triplex, insulating shield section of thick bamboo subassembly 1, fixed platform subassembly 2 and elastic support subassembly 3, insulating shield section of thick bamboo subassembly 1 is used for guaranteeing the sealed insulation of two generating line 2000 junctions, fixed platform subassembly 2 is fixed insulating shield section of thick bamboo subassembly 1 and tower section of thick bamboo wall 1000, thereby it is fixed with generating line 2000's top, elastic support subassembly 3 sets up many places on a generating line 2000, multiple spot elastic support guarantees that generating line 2000's stability effectively releases generating line 2000 conductor stress when a tower section of thick bamboo inner operation simultaneously, avoid the conductor to appear crooked leading to connection structure inefficacy or damage because of external force and expend with heat and contract with cold.
In the present embodiment, at the connection point between the lower bus bar 2000 and the upper bus bar 2000 in the same vertical direction, an insulation shielding barrel assembly 1 is provided, and the insulation shielding barrel assembly 1 has two connection modes with the adjacent end portions of two adjacent bus bars 2000 in the vertical direction, in the present embodiment, one of the connection modes is taken as an example, as shown in fig. 3, 4 and 5, the insulation shielding barrel assembly 1 includes an insulation barrel 10, a pipe sleeve 11, an insulation support pipe 12, a sealing sleeve 13, a first connecting flange 14, a second connecting flange 15 and a sealing flange 16; the insulation cylinder 10 is a hollow cylinder body with openings at two ends, the outer side wall of the insulation cylinder 10 is sleeved with a pipe sleeve 11, the pipe sleeve 11 of the embodiment is an aluminum alloy pipe to ensure the strength of the insulation shielding cylinder assembly 1, the insulation cylinder 10 is fixed with the pipe sleeve 11 through a clamp 17, the bottom end surface of the pipe sleeve 11 is provided with a first connecting flange 14, the top end surface is provided with a second connecting flange 15, the lower opening of the insulation cylinder 10 is provided with an insulation supporting pipe 12, the upper part of the insulation supporting pipe 12 extends into the insulation cylinder 10 from the lower opening of the insulation cylinder 10, the upper opening of the insulation cylinder 10 is provided with a sealing sleeve 13, the sealing sleeve 13 of the embodiment is composed of a bottom ring part and a top cylinder part, the inner diameters of the ring part and the cylinder part are matched with the outer diameter of a bus 2000, so that the sealing sleeve 13 can be tightly contacted with the bus 2000, the ring part of the sealing sleeve 13 is arranged at the top of the insulation cylinder 10 and is matched and connected with the second connecting flanges 15 through a sealing flange 16, with the fixed ring portion of seal cover 13, and then fixed seal cover 13, in this embodiment, the bottom of top generating line 2000 passes seal cover 13 and stretches into insulating cylinder 10 in, the top of below generating line 2000 passes insulating support tube 12 and stretches into insulating cylinder 10 in, the top of insulating support tube 12 and the fixed connection of 2000 top conductors of below generating line, more specifically say, radially set up rivet 120 and 2000 top conductors riveting of below generating line at insulating support tube 12 top to the realization is fixed, the bottom of top generating line 2000 and the top flexible coupling of below generating line 2000.
Further, the whole insulation shielding cylinder assembly 1 is fixedly connected with the wall 1000 of the tower through a fixed platform assembly 2, the fixed platform assembly 2 includes a platform 20 and a supporting tray 21, wherein the platform 20 is a structure of the tower itself, through holes are formed through the platform 20 corresponding to the positions of the buses 2000 for the buses 2000 to pass through, the supporting tray 21 is a cylindrical structure, through holes are formed through the middle of the supporting tray for the buses 2000 to pass through, the structure of the fixed platform assembly 2 is as shown in fig. 6 and 7, in the embodiment, three through holes are formed in the platform 20 and are arranged in a shape of Chinese character 'pin', and the supporting tray 21 is provided with three through holes which are respectively and correspondingly fixed at each through hole of the platform 20 and fixed through a bolt structure; the bottom of the insulation support tube 12 of the insulation shielding cylinder assembly 1 penetrates through the support tray 21 and the platform 20 to extend downwards, a rubber gasket 121 is arranged between the side wall of the bottom of the insulation support tube 12 and the inner wall of the support tray 21 to strengthen the abutting force of the insulation support tube 12 and the support tray 21, and then the first connecting flange 14 is fixedly connected with the support tray 21 through a bolt structure, as shown in fig. 4, so that the fixed connection of the insulation shielding cylinder assembly 1 and the fixed platform assembly 2 is completed, and the insulation shielding cylinder assembly 1 is further fixed with the tower cylinder wall 1000; the supporting tray 21 of this embodiment is formed by the concatenation of two half formula structures of symmetrical shape, and easy to assemble and dismantlement are convenient for carry out relevant operation when overhauing the maintenance to generating line 2000.
Through the cooperation of the insulation shielding barrel assembly 1 and the fixed platform assembly 2 of this embodiment, the platform 20 structure of utilizing a tower section of thick bamboo self fixes the top position department of every generating line 2000 as fixed bracing point, has reduced the amount of processing of fixed generating line 2000 to tower section of thick bamboo structure, can effectively solve tower section of thick bamboo chimney effect problem, and to two adjacent generating lines 2000's junction, insulation and the leakproofness of junction can be guaranteed to the insulation shielding barrel assembly 1.
Further, the elastic support component 3 of this embodiment includes a fixing frame 30, an elastic component 31, a connecting sheet 32 and a column 33, as shown in fig. 8 and fig. 9, the fixing frame 30 is also provided with three through holes in a delta shape for the bus 2000 to pass through, more specifically, the three through holes on the fixing frame 30 of this embodiment can be formed by three fixing hoops, the three fixing hoops are fixedly connected with each other to form the through holes in a delta shape, the fixing hoops are fastened by bolts, the bus 2000 is conveniently fixed therein, or the through holes can be formed on the fixing frame 30, or the through holes can be as disclosed in chinese patent: CN 204361627U, application No.: 2014208498307, patent name: a fixing fitting of a tubular busbar as shown in the patent in the form of a through hole formed by the fixing fitting; all through each fixed connection elastic component 31 of angle steel connection piece in mount 30's both ends department, the elastic component 31 of this embodiment is the flexure strip, its shape can be the U type, the C type, the wave type etc., stand 33 is a tower section of thick bamboo from the band structure, stand 33 is connected with connection piece 32, connection piece 32 is connected with elastic component 31, and then it supports to have formed the elastic point through elastic supporting component 3 to generating line 2000, be equipped with a plurality of elastic supporting component 3 on the generating line 2000, it supports to possess many places elastic point, the stability of generating line 2000 installation laying has been reinforceed on the one hand, on the other hand can in time release conductor stress, avoid the conductor to appear crooked connection structure that leads to inefficacy or damage because of external force and expend with heat and contract with cold effect.
Through the cooperation of the insulation shielding barrel assembly 1, the fixed platform assembly 2 and the elastic supporting assembly 3 of the embodiment, the number of joints can be reduced by prolonging the length of a single product to the maximum extent, and the stability of bus 2000 installation and laying is improved.
The structure forms stable fixation at the upper end of the bus 2000 and elastic support fixation at the lower part of the bus 2000, thereby forming a pendulum structure; furthermore, the insulating shielding cylinder assembly 1 has another connection mode with the adjacent end portions of two vertically adjacent bus bars 2000, that is, the bottom end of the upper bus bar 2000 penetrates through the insulating support tube 12 and extends downwards into the insulating cylinder 10, the top end of the lower bus bar 2000 penetrates through the sealing sleeve 13 and extends upwards into the insulating cylinder 10, so as to form stable fixation at the lower end of the bus bar 2000 and elastic support fixation at the upper portion of the bus bar 2000.
The examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a bus structure for large capacity wind generating set which characterized in that, includes insulating shield section of thick bamboo subassembly, and it includes:
the insulating cylinder is a hollow cylinder body with openings at two ends, and the end parts of the two buses respectively extend into the insulating cylinder from the upper opening and the lower opening of the insulating cylinder;
the pipe sleeve is sleeved on the outer side wall of the insulating cylinder;
the insulating support tube is inserted into an opening at one end of the insulating cylinder, the end part of a bus penetrates through the insulating support tube and extends into the insulating cylinder, and one end part of the insulating support tube is fixedly connected with the side wall of the end part of the bus;
the sealing sleeve is arranged at an opening at the other end of the insulating cylinder, and the end part of the other bus passes through the sealing sleeve and extends into the insulating cylinder;
adjacent end parts of two adjacent buses in the vertical direction are flexibly connected;
one end of the insulation shielding assembly is fixedly connected with the side wall of the tower barrel through the fixed platform assembly.
2. The bus bar structure for a large capacity wind generating set according to claim 1, wherein the fixed platform assembly comprises:
the platform is of a plate-shaped structure provided with a tower drum wall, and a plurality of through holes are formed in the platform in a penetrating mode at positions corresponding to the buses for the buses to penetrate through;
the middle part of the supporting tray is provided with a through hole for the bus to pass through, and the bottom of the supporting tray is detachably connected with the top of the through hole of the platform.
3. The bus bar structure for a large capacity wind generating set according to claim 2, wherein the insulation shield cartridge assembly further comprises:
the first connecting flange is formed at one end part of the pipe sleeve and is detachably connected with the supporting tray;
a second connecting flange formed at the other end of the pipe sleeve;
and the sealing flange is detachably connected with the second connecting flange and fixes the bottom of the sealing sleeve.
4. The bus bar structure for a large capacity wind generating set according to claim 3, wherein: the other end of the insulating supporting tube penetrates through the supporting tray and extends out, and the side wall of the other end of the insulating supporting tube is in fit contact with the inner wall of the supporting tray.
5. The bus bar structure for a large capacity wind generating set according to claim 4, wherein: the insulating supporting tube is also provided with a rubber pad, and the side wall of the other end of the insulating supporting tube is in fit contact with the inner wall of the supporting tray through the rubber pad.
6. The bus bar structure for a large capacity wind generating set according to claim 5, wherein: the supporting tray is formed by splicing two half-type structures with symmetrical shapes.
7. The bus bar structure for a large capacity wind generating set according to claim 6, further comprising an elastic support member including:
the fixing frame is provided with a through hole for the bus to pass through;
the elastic piece is of an elastic structure, and one end of the elastic piece is fixedly connected with the fixed frame;
the connecting sheet is fixedly connected with the other end of the elastic piece;
one end of the upright post is fixedly connected with the connecting sheet, and the other end of the upright post is fixedly formed on the wall of the tower drum.
8. The bus bar structure for a large capacity wind generating set according to claim 7, wherein: the top end of the lower bus penetrates through the insulation support tube and upwards extends into the insulation cylinder, and the bottom end of the upper bus penetrates through the sealing sleeve and downwards extends into the insulation cylinder.
9. The bus bar structure for a large capacity wind generating set according to claim 7, wherein: the bottom end of the upper bus penetrates through the insulation support tube and extends downwards into the insulation cylinder, and the top end of the lower bus penetrates through the sealing sleeve and extends upwards into the insulation cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042071.6U CN215772444U (en) | 2021-08-27 | 2021-08-27 | Bus structure for large-capacity wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042071.6U CN215772444U (en) | 2021-08-27 | 2021-08-27 | Bus structure for large-capacity wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215772444U true CN215772444U (en) | 2022-02-08 |
Family
ID=80079535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122042071.6U Active CN215772444U (en) | 2021-08-27 | 2021-08-27 | Bus structure for large-capacity wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215772444U (en) |
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2021
- 2021-08-27 CN CN202122042071.6U patent/CN215772444U/en active Active
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