CN102828917B - Tower drum of wind turbine generator system - Google Patents
Tower drum of wind turbine generator system Download PDFInfo
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- CN102828917B CN102828917B CN201110157165.6A CN201110157165A CN102828917B CN 102828917 B CN102828917 B CN 102828917B CN 201110157165 A CN201110157165 A CN 201110157165A CN 102828917 B CN102828917 B CN 102828917B
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Abstract
The invention discloses a tower drum of a wind turbine generator system. The tower drum comprises a plurality of drum body units, a connecting module and a bottom base; the drum body units are connected in pairs by the connecting module; the bottom base is fixed below the lowermost drum body unit; and each drum body unit comprises more than three drum bodies which are arranged in parallel. The tower drum overcomes multiple disadvantages of the existing tower drum technique, satisfies the requirements of high-power wind turbine generator system, and is convenient to transport, store and install.
Description
Technical field
The present invention relates to Large-scale Wind Turbines technology, relate in particular to a kind of tower barrel of wind generating set.
Background technique
The energy is that human society exists and the material base developing.More than 200 year in the past, be based upon energy system on the fossil fuel bases such as coal, oil, rock gas and greatly promoted the development of human society.But the resource that uses on a large scale fossil fuel to bring is day by day exhausted, the serious consequences such as the continuous deterioration of environment, make the mankind must seek a kind of new, clean, safe and reliable sustainable energy system.
Wind energy is to have exploitation prospect and the most ripe a kind of new and renewable sources of energy of technology at present most.Therefore, countries in the world are all at develop actively wind generating technology.In recent years, along with being on the increase of wind field all over the world, the distribution of wind field is also dispersed throughout under the various physical geographic environments such as Gobi desert, plateau, intertidal zone, coastal, coastal waters gradually.
Along with scientific and technological development, wind generating technology is constantly reformed, and wind power generating set power also constantly increases.High-power wind-driven generator group can better be utilized wind energy, obtains more generated energy, and therefore each main frame producer tries to be the first and develops high-power unit.
Because high-power unit impeller diameter is large, hub height is higher, and load is larger, therefore also harsher to the requirement of tower cylinder.The conventional single tube cone tower cylinder adopting at present, for high-power wind turbine unit, the height of tower cylinder, the increase of diameter have been difficult to meet the requirement of producing and transporting, and along with the increase of tower cylinder diameter, if there is no enough rigidity, tower cylinder occurs that the possibility of cripling increases, and the installation of tower cylinder has also been caused to great difficulty simultaneously, and these are all the restraining factors of wind-powered electricity generation industry development.
Therefore, need the problem of a kind of method solution Large-scale Wind Turbines tower cylinder manufacture and transport restrictions badly.
Summary of the invention
The invention provides a kind of tower barrel of wind generating set, in order to solve defect of the prior art, meet the requirement of high-power wind turbine unit, be convenient to transportation, store and install.
A kind of tower barrel of wind generating set provided by the invention, comprises cylindrical shell unit, link block and bottom base, and described cylindrical shell unit connects between two by link block; The below of lowermost end cylindrical shell unit is fixed with bottom base, and described bottom base can be reinforced bottom support; Described cylindrical shell unit comprises three cylindrical shells that be arranged in parallel above.
Further, described in top, the top of cylindrical shell unit is fixed with top reinforcing module, described top reinforcing module comprises: connect cylinder, round steel, cylindrical shell, adpting flange and shell flange, the round steel that is fixed on connection cylinder side wall is connected by adpting flange with the round steel that is fixed on cylinder lateral wall, on the circumference of described cylindrical shell two ends, is provided with shell flange.Top reinforcing module supports for reinforced top, and the top distortion of avoiding cylindrical shell stand under load to cause is excessive.
Further, the side that described top reinforcing module deviates from cylindrical shell unit is fixed with top changeover portion, described top changeover portion comprises changeover portion cylindrical shell, on the circumference of described changeover portion cylindrical shell away from top reinforcing module, be provided with changeover portion flange, described changeover portion cylindrical shell is fixed with connecting bottom board near a side of top reinforcing module, the supporting attachment hole being connected with reinforcing module that is provided with on described connecting bottom board.
Further, described changeover portion cylindrical shell is cone barrel type.
Further, described link block comprises: connect cylinder, round steel, cylindrical shell, adpting flange and shell flange, the round steel that is fixed on connection cylinder side wall is connected by adpting flange with the round steel that is fixed on cylinder lateral wall, on the circumference of described cylindrical shell two ends, is provided with shell flange.
Further, described link block, is D1 near the cylindrical shell of link block top apart from the distance of tower barrel of wind generating set central axis, is D2 near the cylindrical shell of link block below apart from the distance of tower barrel of wind generating set central axis, D1≤D2.
Further, described bottom base comprises: connect cylinder, round steel, cylindrical shell, adpting flange and shell flange, the round steel that is fixed on connection cylinder side wall is connected by adpting flange with the round steel that is fixed on cylinder lateral wall, on the circumference of described cylindrical shell two ends, is provided with shell flange.
Tower barrel of wind generating set of the present invention is simple and reasonable for structure, compact, mainly has compared with prior art following several respects advantage:
1, this tower barrel structure adopts many cylindrical shells modular construction, can work compound by link block, improve the overall work intensity of tower cylinder, and reach better supporting effect;
2, meeting under the requirement of high-power wind turbine unit strength and stiffness, at utmost save tower cylinder material, realized the advantage that tower cylinder quality is light, processing cost is low;
3, the difficulty that has overcome the excessive transportation inconvenience causing of high-power wind turbine set tower drum physical dimension, this structure is modular design, owing to adopting multiple cylindrical shell combining forms, the size of single tower cylinder effectively reduces, and is convenient to transportation;
4, modular design, makes later maintenance of the present invention very convenient.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the connection diagram of top changeover portion and top reinforcing module in Fig. 1;
Fig. 3 is the structural representation of top changeover portion in Fig. 1;
Fig. 4 is connecting bottom board structural representation in Fig. 3;
Fig. 5 is top flange structural representation in Fig. 3;
Fig. 6 is link block structural representation in Fig. 1;
Fig. 7 is the structural representation that connects cylinder and round steel in Fig. 6;
Fig. 8 is bottom base structural representation in Fig. 1.
By reference to the accompanying drawings, in the embodiment of the present invention, reference character is as follows:
1-cylindrical shell 2-round steel 3-connects cylinder
4-adpting flange 5-shell flange 6-changeover portion cylindrical shell
7-changeover portion flange 8-connecting bottom board
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
A kind of tower barrel of wind generating set provided by the invention, comprises cylindrical shell unit, link block and bottom base, and cylindrical shell unit connects between two by link block; The below of lowermost end cylindrical shell unit is fixed with bottom base, and bottom base can be reinforced bottom support; Cylindrical shell unit comprises three cylindrical shells that be arranged in parallel above.
Embodiment one
Fig. 1 is structural representation of the present invention.As shown in Figure 1, the tower barrel of wind generating set that the present embodiment provides, comprises cylindrical shell unit, link block and bottom base, and cylindrical shell unit connects between two by link block, the below of tower barrel of wind generating set lowermost end cylindrical shell unit is fixed with bottom base, and bottom base can be reinforced bottom support; Cylindrical shell unit comprises five cylindrical shells that be arranged in parallel 1, and when use, five cylindrical shells 1, all perpendicular to ground, are provided with shell flange on every cylindrical shell 1 two ends circumference, for being connected and fixed with link block; The size of cylindrical shell 1 radius is selected according to wind power generating set carrying situation.The top of tower barrel of wind generating set top cylindrical shell unit is fixed with top reinforcing module, and the side that top reinforcing module deviates from cylindrical shell unit is fixed with top changeover portion.Adopt the multi-section type modular construction form of multiple tower cylinders unit, in short transverse, realize the variation in tower cylinder cross section by link block, save cost of material, can improve the bulk strength of tower cylinder simultaneously, effectively disperse load, thereby reach the effect of collaborative carrying.The invention solves the difficulty that existing tower barrel of wind generating set structural type causes transportation, storage, installation, when meeting the requirement of high-power wind turbine unit, be also convenient to transportation, store, install.
Fig. 2 is the connection diagram of top changeover portion and top reinforcing module in Fig. 1; Fig. 3 is the structural representation of top changeover portion in Fig. 1; Fig. 4 is connecting bottom board structural representation in Fig. 3; Fig. 5 is top flange structural representation in Fig. 3.
Top reinforcing module comprises: connect cylinder 3, round steel 2, cylindrical shell 1, adpting flange and shell flange 5, the round steel 2 that is fixed on connection cylinder 3 sidewalls is connected by adpting flange with the round steel 2 that is fixed on cylindrical shell 1 sidewall, on cylindrical shell 1 two ends circumference, be provided with shell flange 5, for being connected with the shell flange of cylindrical shell unit.Top reinforcing module supports for reinforced top, and the top distortion of avoiding cylindrical shell stand under load to cause is excessive.
Top changeover portion comprises changeover portion cylindrical shell 6, and changeover portion cylindrical shell 6 can be cylindrical or cone barrel type, and the changeover portion cylindrical shell 6 of cone barrel type can make full use of the mechanical property of material.On the circumference of changeover portion cylindrical shell 6 away from top reinforcing module, be fixed with changeover portion flange 7, changeover portion cylindrical shell is fixed with connecting bottom board 8 near a side of top reinforcing module, on connecting bottom board 8, be provided with and the supporting attachment hole of reinforcing module, adopt high-strength bolt to realize the fixing of connecting bottom board 8 and reinforcing module through attachment hole.
Fig. 6 is link block structural representation in Fig. 1; Fig. 7 is the structural representation that connects cylinder and round steel in Fig. 6.Link block comprises as shown in the figure: connect cylinder 3, round steel 2, cylindrical shell 1, adpting flange 4 and shell flange 5, the round steel 2 that is fixed on connection cylinder 3 sidewalls is connected by adpting flange 4 with the round steel 2 that is fixed on cylindrical shell 1 sidewall, on cylindrical shell 1 two ends circumference, is provided with shell flange 5.
Link block, is D1 near the cylindrical shell of link block top apart from the distance of tower barrel of wind generating set central axis, is D2 near the cylindrical shell of link block below apart from the distance of tower barrel of wind generating set central axis, D1≤D2.The link block that the present embodiment adopts is along the two weeks round steel 2 that are fixed with of level on connection cylinder 3 sidewall circumferencial directions, near the round steel 2 of cylinder top be connected cylinder 3 and axially acutangulate, with to be connected cylinder 3 axial vertical, realize D1≤D2 near the round steel 2 that connects cylinder 3 belows.
Fig. 8 is bottom base structural representation in Fig. 1.Bottom base comprises as shown in the figure: connect cylinder 3, round steel 2, cylindrical shell 1, adpting flange 4 and shell flange 5, the round steel 2 that is fixed on connection cylinder 3 sidewalls is connected by adpting flange 4 with the round steel 2 that is fixed on cylindrical shell 1 sidewall, on cylindrical shell 1 two ends circumference, is provided with shell flange 5.
The installation steps of the present embodiment tower barrel of wind generating set are as follows:
1, in the time of workshop welding tower cylinder, shell flange, round steel, adpting flange etc. are welded on the relevant position of cylindrical shell as requested;
2, changeover portion has welded the postwelding planeness that requires to guarantee changeover portion flange;
3, due to the having relatively high expectations of assembly precision, before dispatching from the factory by pre-assembled each tower barrel of wind generating set parts;
4, transport to behind scene, complete in the following order the lifting of tower cylinder:
A) assembling bottom base installation;
B) lift each section of tower cylinder;
C) assembly and connection module lifting;
D) lifting changeover portion.
5, in hoisting process, monitor at any time planeness, if assembly error is larger, can adjust to meet assembly precision requirement by adjusting pad;
6,, when later maintenance, regularly detect anticorrosion and moment situation.
Finally it should be noted that: above embodiment only, in order to technological scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (6)
1. a tower barrel of wind generating set, is characterized in that, comprises cylindrical shell unit, link block and bottom base, and described cylindrical shell unit connects between two by link block; The below of lowermost end cylindrical shell unit is fixed with bottom base; Described cylindrical shell unit comprises three cylindrical shells that be arranged in parallel above, on the circumference of described cylindrical shell two ends, is provided with shell flange;
Wherein, described in top, the top of cylindrical shell unit is fixed with top reinforcing module, described top reinforcing module comprises: connect cylinder, round steel, cylindrical shell, adpting flange and shell flange, the round steel that is fixed on connection cylinder side wall is connected by adpting flange with the round steel that is fixed on cylinder lateral wall, on the circumference of described cylindrical shell two ends, is provided with shell flange.
2. tower barrel of wind generating set according to claim 1, it is characterized in that, the side that described top reinforcing module deviates from cylindrical shell unit is fixed with top changeover portion, described top changeover portion comprises changeover portion cylindrical shell, on the circumference of described changeover portion cylindrical shell away from top reinforcing module, be provided with changeover portion flange, described changeover portion cylindrical shell is fixed with connecting bottom board near a side of top reinforcing module, the supporting attachment hole being connected with reinforcing module that is provided with on described connecting bottom board.
3. tower barrel of wind generating set according to claim 2, is characterized in that, described changeover portion cylindrical shell is cone barrel type.
4. tower barrel of wind generating set according to claim 1, it is characterized in that, described link block comprises: connect cylinder, round steel, cylindrical shell, adpting flange and shell flange, the round steel that is fixed on connection cylinder side wall is connected by adpting flange with the round steel that is fixed on cylinder lateral wall, on the circumference of described cylindrical shell two ends, is provided with shell flange.
5. tower barrel of wind generating set according to claim 4, it is characterized in that, cylindrical shell near link block top is D1 apart from the distance of tower barrel of wind generating set central axis, is D2 near the cylindrical shell of link block below apart from the distance of tower barrel of wind generating set central axis, D1≤D2.
6. tower barrel of wind generating set according to claim 1, it is characterized in that, described bottom base comprises: connect cylinder, round steel, cylindrical shell, adpting flange and shell flange, the round steel that is fixed on connection cylinder side wall is connected by adpting flange with the round steel that is fixed on cylinder lateral wall, on the circumference of described cylindrical shell two ends, is provided with shell flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157165.6A CN102828917B (en) | 2011-06-13 | 2011-06-13 | Tower drum of wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157165.6A CN102828917B (en) | 2011-06-13 | 2011-06-13 | Tower drum of wind turbine generator system |
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| Publication Number | Publication Date |
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| CN102828917A CN102828917A (en) | 2012-12-19 |
| CN102828917B true CN102828917B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110157165.6A Active CN102828917B (en) | 2011-06-13 | 2011-06-13 | Tower drum of wind turbine generator system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9222461B2 (en) | 2013-09-06 | 2015-12-29 | Vert Wind Energy, Llc | Vertical axis wind turbine system with one or more independent electric power generation units |
| DE102019218358A1 (en) * | 2019-11-27 | 2021-05-27 | Thyssenkrupp Steel Europe Ag | Lattice structure for a tower of a wind turbine and tower of a wind turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1521422A (en) * | 1923-07-23 | 1924-12-30 | Boyd George Washington | Pole or tower |
| GB1069759A (en) * | 1964-08-17 | 1967-05-24 | Erik Patrik Viktor Svensson | Mast structures |
| JP2003206852A (en) * | 2002-01-18 | 2003-07-25 | Mitsubishi Heavy Ind Ltd | Supporting device for ocean wind power generation |
| PT103061A (en) * | 2004-01-19 | 2005-07-29 | Proconsultores Engenharia E Ar | BASES OF TOWERS, AUTO STATIONS PREFABRICATED |
| US7735290B2 (en) * | 2005-10-13 | 2010-06-15 | General Electric Company | Wind turbine assembly tower |
| JP4779766B2 (en) * | 2006-03-30 | 2011-09-28 | シンフォニアテクノロジー株式会社 | Wind power generator |
| CN101225717A (en) * | 2007-08-03 | 2008-07-23 | 邵凯 | Tower arrangement for large-Medium wind power generation device |
| CN201087740Y (en) * | 2007-10-19 | 2008-07-16 | 邓允河 | Vertical wind power generator |
| CN201193594Y (en) * | 2008-05-15 | 2009-02-11 | 孙国华 | Multi-column type pylon for wind generating set |
| CN201649771U (en) * | 2010-08-18 | 2010-11-24 | 青岛汇金通电力设备有限公司 | Node structure for electric power tower |
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