CN103184983B - Tower of wind turbine and manufacturing method thereof - Google Patents
Tower of wind turbine and manufacturing method thereof Download PDFInfo
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- CN103184983B CN103184983B CN201110457422.8A CN201110457422A CN103184983B CN 103184983 B CN103184983 B CN 103184983B CN 201110457422 A CN201110457422 A CN 201110457422A CN 103184983 B CN103184983 B CN 103184983B
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- turbogrid plates
- steel plate
- covering
- tower
- wind turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides a tower of a wind turbine and a manufacturing method of the tower. The tower comprises a circular cylinder body; the circular cylinder body comprises an inner skin and an outer skin, and a grid plate is arranged between the inner skin and the outer skin; and the grid plate adopts a grid-shaped structure composed of a plurality of steel plates. The wall of the tower provided by the utility model adopts the grid plate structure, on the basis of ensuring the intensity of the wall of the tower, the consumption of steel plates used for making the wall of the tower can be effectively reduced, and the production cost of the tower is reduced.
Description
Technical field
The present invention relates to tower of wind generating set barrel structure technology, tower cylinder particularly relating to a kind of Wind turbines and preparation method thereof.
Background technique
Tower cylinder is the important support parts in Wind turbines, and height, more than ten meters or hundred meters, subjects high wind, and the active force in the cabin of tower cylinder top installation.
At present, the tower cylinder of Wind turbines generally adopts steel plate to be made, and obtains circular cylinder body by steel plate by roll bending making; Meanwhile, in order to ensure the intensity of tower cylinder, the tower barrel of existing tower cylinder, also namely the thickness of steel plate to do very thick.
To sum up, the direct roll bending of existing employing steel plate makes and obtains tower cylinder, and tower barrel is thick, and steel plate consumption is many, causes tower cylinder fabricating cost higher.
Summary of the invention
Tower cylinder that the invention provides a kind of Wind turbines and preparation method thereof, effectively can overcome the problem that the fabricating cost of existing employing steel plate structure tower cylinder existence is high.
The invention provides a kind of tower cylinder of Wind turbines, comprise circular cylinder body, described circular cylinder body comprises: inside panel and exterior skin, is provided with Turbogrid plates between described inside panel and exterior skin;
Described Turbogrid plates are the grid structure of multiple steel plate composition.
In the tower cylinder of above-mentioned Wind turbines, in described Turbogrid plates, each steel plate is connected by welding or bonding mode.
In the tower cylinder of above-mentioned Wind turbines, in described Turbogrid plates, each steel plate is connected by inserting mode.
In the tower cylinder of above-mentioned Wind turbines, the side of described Turbogrid plates is also provided with junction steel plate;
Described Turbogrid plates are positioned at the space that described junction steel plate surrounds.
In the tower cylinder of above-mentioned Wind turbines, described junction steel plate is weldingly fixed on described exterior skin.
The invention provides a kind of tower cylinder making method of Wind turbines, comprising:
First covering installs Turbogrid plates, and described Turbogrid plates are the grid structure of multiple steel plate composition;
Described Turbogrid plates are installed the second covering, forms tower barrel;
Described tower barrel is put into plate bending rolls, and roll bending forms circular cylinder body.
In the tower cylinder making method of above-mentioned Wind turbines, describedly on the first covering, Turbogrid plates are installed and comprise:
On the first covering, by multiple steel plate by welding, bonding or inserting mode composition Turbogrid plates.
In the tower cylinder making method of above-mentioned Wind turbines, also comprise before the first covering installs Turbogrid plates:
Steel plate is welded to connect, to install Turbogrid plates in the space that described junction steel plate is formed at the side of described first covering.
In the tower cylinder making method of above-mentioned Wind turbines, after the first covering installs Turbogrid plates, also comprise:
Weld with covering joint at described Turbogrid plates, described Turbogrid plates and the first covering are fixed.
In the tower cylinder making method of above-mentioned Wind turbines, describedly described tower barrel put into roll bending body comprise:
The first covering on described tower barrel is pressed close to described plate bending rolls, the inner side of the circular cylinder body formed after being positioned at roll bending to make the first covering.
Tower cylinder of Wind turbines provided by the invention and preparation method thereof, tower barrel adopts the structure arranging Turbogrid plates between the skins, and Turbogrid plates are the grid structure of multiple steel plate composition, make tower barrel can have good intensity, rigidity and flexing, the consumption of steel plate can be reduced simultaneously, reduce tower cylinder fabricating cost.
Accompanying drawing explanation
The tower barrel structure schematic diagram of the Wind turbines that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation that in the present embodiment tower cylinder, A place, region removes inside panel and exterior skin;
Fig. 3 is the connection diagram of Turbogrid plates light plate in the embodiment of the present invention;
The tower cylinder making method schematic flow sheet of the Wind turbines that Fig. 4 provides for the embodiment of the present invention two;
Fig. 5 is the package assembly schematic diagram making the tower barrel obtained in embodiment of the present invention tower cylinder making method;
Fig. 6 is structural representation when not installing the second covering in embodiment of the present invention tower cylinder making method.
Embodiment
The tower barrel structure schematic diagram of the Wind turbines that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the structural representation that in the present embodiment tower cylinder, A place, region removes inside panel and exterior skin.As depicted in figs. 1 and 2, the present embodiment tower cylinder comprises circular cylinder body 1, and this circular cylinder body 1 comprises inside panel 11 and exterior skin 12, is provided with Turbogrid plates 13 between inside panel 11 and exterior skin 12, and these Turbogrid plates 13 are the grid structure of multiple steel plate composition.
In the present embodiment, as shown in Figure 2, can be provided with junction steel plate 14 at the side of Turbogrid plates 13, these Turbogrid plates 13 can be positioned at the space that junction steel plate 14 surrounds, and like this, are convenient to the making of cylindrical shell.In addition, junction steel plate 14 is fixed by welding on exterior skin.
Fig. 3 is the connection diagram of Turbogrid plates light plate in the embodiment of the present invention.In the present embodiment, Turbogrid plates connect by welding or bonding mode between each steel plate, or the mode of grafting also can be adopted to form the Turbogrid plates of sector structure.In the present embodiment, inserting mode is adopted to connect between the steel plate of composition Turbogrid plates, particularly, as shown in Figure 3, form Turbogrid plates 13 steel plate 131 on can be provided with inserting groove 132, like this, steel plate 131 just can be plugged on other steel plates by inserting groove 132, makes by mutual socket connection between each steel plate, just can form the Turbogrid plates 13 in the present embodiment, wherein the size of inserting groove 132 should be a bit larger tham the steel plate thickness treating plug-in position, so that grafting.By the Turbogrid plates adopting inserting mode to be formed, not directly be fixedly connected with between each steel plate, effectively can reduce distortion and the stress of Turbogrid plates, improve the rigidity of Turbogrid plates, intensity and flexing.It will be understood by those skilled in the art that in the present embodiment that the steel plate forming Turbogrid plates is sheet metal, and the width of steel plate is less, just mutually can be formed into the Turbogrid plates of grid shape structure like this by multiple such steel plate.
In the present embodiment, because Turbogrid plates are the grid structure be made up of multiple sheet metal, whole Turbogrid plates can have rigidity, intensity and flexing better.In practical application, can according to the needs of tower cylinder, by increasing the width of Turbogrid plates, the size of the grid that each steel plate is formed in Turbogrid plates, or the modes such as the thickness of exterior skin and inside panel, regulate the ultimate strength of whole tower cylinder, flexing and rigidity, to meet the actual demand of tower cylinder.By actual fabrication, relative to the existing tower cylinder directly utilizing steel plate to be made, cost over half can be saved.
It will be appreciated by those skilled in the art that, tower cylinder in the present embodiment is also obtaining the tower barrel of sandwiched Turbogrid plates structure between the skins by first making, and then to this tower barrel carry out roll bending make obtain tower cylinder, its concrete working process will be described in tower cylinder making method embodiment below.
The tower cylinder of the Wind turbines that the present embodiment provides, tower barrel adopts the structure arranging Turbogrid plates between the skins, and Turbogrid plates are the grid structure of multiple steel plate composition, make tower barrel can have good intensity, rigidity and flexing, the consumption of steel plate can be reduced simultaneously, reduce tower cylinder fabricating cost.
The tower cylinder making method schematic flow sheet of the Wind turbines that Fig. 4 provides for the embodiment of the present invention two.As shown in Figure 4, the present embodiment tower cylinder making method comprises the following steps:
Step 101, on the first covering, install Turbogrid plates, these Turbogrid plates are the grid structure of multiple steel plate composition;
Step 102, the second covering is installed on Turbogrid plates, forms tower barrel;
Step 103, barrel is put into plate bending rolls, roll bending forms circular cylinder body.
The present embodiment can make the tower cylinder of the Wind turbines obtained as illustrated in fig. 1 and 2, particularly, first between a covering and the second covering, installs Turbogrid plates, then by circular tube structure that roll bending mode obtains as depicted in figs. 1 and 2.
Fig. 5 is the package assembly schematic diagram making the tower barrel obtained in embodiment of the present invention tower cylinder making method.In the present embodiment, also can comprise before above-mentioned steps 101: be welded to connect steel plate 20 at the side of the first covering 10, to install Turbogrid plates 30 in the space that junction steel plate 20 is formed.Particularly, can be positioned over bottom fixture clamping fixture at the first covering 10 making tower cylinder, and junction steel plate 20 is set on the first covering 10, thus surround the installing space can installing Turbogrid plates 30, wherein, be welded to connect by being connected fillet welding between junction steel plate 20 with the first covering 10, and after stress elimination, then Turbogrid plates 20 are installed.It will be understood by those skilled in the art that above-mentioned junction steel plate 20 can be formed by connecting by multiple steel plate, or also can be the steel plate structure that middle part has hollow.
In the present embodiment, by welding, bonding or inserting mode, each steel plate is fitted together when Turbogrid plates are installed, form the Turbogrid plates of grid structure.Assembled by inserting mode by Turbogrid plates in the present embodiment, particularly, can in the space that junction steel plate surrounds on the first covering, first covering is placed the steel plate of bottom, and then the steel plate inserted successively above, inserting groove on its light plate slightly larger than the thickness of steel plate, such as, can reserve the tolerance of 1mm, so that the grafting of steel plate.It will be understood by those skilled in the art that also can to after having been assembled by Turbogrid plates, then be placed on the first covering, does not limit this present embodiment.In the present embodiment, when grafting steel plate, between each steel plate, can be 90 degree, so that the grafting of steel plate and follow-up welding operation.
In the present embodiment, after the first covering installs Turbogrid plates, first Turbogrid plates can be welded with the junction steel plate of side, for the location of Turbogrid plates, full weld specifically can be adopted to weld; Then, then carry out welding of Turbogrid plates and covering joint, so that Turbogrid plates and the first covering are welded and fixed, disconnected weldering can be adopted during welding, to reduce weldering amount, after stress to be canceled, then carry out step below.
In the present embodiment, barrel is put into roll bending body and specifically can comprise: the first covering on barrel is pressed close to plate bending rolls, the inner side of the circular cylinder body formed after being positioned at roll bending to make the first covering.For in the circular cylinder body that formed after guaranteeing roll bending, second covering effectively can be adjacent to Turbogrid plates, when carrying out roll bending operation, the second covering should be positioned at roll bending pusher side, can be close to Turbogrid plates to make to make each covering in the circular cylinder body that obtains, guarantee the strength and stiffness of the barrel wall formed.
Fig. 6 is structural representation when not installing the second covering in embodiment of the present invention tower cylinder making method.In the present embodiment, when making tower cylinder, the first covering also can arrange multiple Turbogrid plates installing space, steel plate between each installing space, can be utilized to isolate, and steel plate and the first covering being welded and fixed.Particularly, when arranging junction steel plate, by multiple junction steel plate, the first covering is divided into multiple installing space, and when installing Turbogrid plates, respectively Turbogrid plates can be installed in each installation; When installation the second covering, second covering can be divided into multiple independent covering, and be arranged on the position corresponding with each Turbogrid plates installing space respectively, form tower barrel, like this, when forming cylindrical shell to tower barrel roll bending, due to the covering that the second covering is multiple independent setting, in roll bending process, the power suffered by covering of each independent setting is little, and the covering of each independent setting can be made all to be close on corresponding Turbogrid plates.
It will be appreciated by those skilled in the art that, in working process, can according to tower cylinder needs, suitably can adjust the thickness of covering, Turbogrid plates width, or the size of the grid formed by grafting between adjustment Turbogrid plates, adjust the intensity of the entirety of the tower cylinder of formation, rigidity and flexing, to meet tower cylinder actual demand.
Last it is noted that above each embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technological scheme.
Claims (7)
1. a tower cylinder for Wind turbines, is characterized in that, comprise circular cylinder body, and described circular cylinder body comprises: inside panel and exterior skin, is provided with Turbogrid plates between described inside panel and exterior skin;
Described Turbogrid plates are the grid structure of multiple steel plate composition, and the side of described Turbogrid plates is also provided with junction steel plate; Described Turbogrid plates are positioned at the space that described junction steel plate surrounds, and described junction steel plate is weldingly fixed on described exterior skin.
2. the tower cylinder of Wind turbines according to claim 1, is characterized in that, in described Turbogrid plates, each steel plate is connected by welding or bonding mode.
3. the tower cylinder of Wind turbines according to claim 1, is characterized in that, in described Turbogrid plates, each steel plate is connected by inserting mode.
4. a tower cylinder making method for Wind turbines, is characterized in that, comprising:
First covering installs Turbogrid plates, and described Turbogrid plates are the grid structure of multiple steel plate composition;
Described Turbogrid plates are installed the second covering, forms tower barrel;
Described tower barrel is put into plate bending rolls, and roll bending forms circular cylinder body;
Also comprise before first covering installs Turbogrid plates:
Steel plate is welded to connect, to install Turbogrid plates in the space that described junction steel plate is formed at the side of described first covering.
5. the tower cylinder making method of Wind turbines according to claim 4, is characterized in that, describedly on the first covering, installs Turbogrid plates comprise:
On the first covering, by multiple steel plate by welding, bonding or inserting mode composition Turbogrid plates.
6. the tower cylinder making method of Wind turbines according to claim 4, is characterized in that, after the first covering installs Turbogrid plates, also comprises:
Weld with the first covering joint at described Turbogrid plates, described Turbogrid plates and the first covering are fixed.
7. the tower cylinder making method of Wind turbines according to claim 4, is characterized in that, describedly described tower barrel is put into plate bending rolls comprises:
The first covering on described tower barrel is pressed close to described plate bending rolls, the inner side of the circular cylinder body formed after being positioned at roll bending to make the first covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457422.8A CN103184983B (en) | 2011-12-30 | 2011-12-30 | Tower of wind turbine and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457422.8A CN103184983B (en) | 2011-12-30 | 2011-12-30 | Tower of wind turbine and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103184983A CN103184983A (en) | 2013-07-03 |
| CN103184983B true CN103184983B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110457422.8A Active CN103184983B (en) | 2011-12-30 | 2011-12-30 | Tower of wind turbine and manufacturing method thereof |
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| CN (1) | CN103184983B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0218542A1 (en) * | 1985-10-11 | 1987-04-15 | MANNESMANN Aktiengesellschaft | Cooling tower superstructure |
| DE19832921A1 (en) * | 1998-07-22 | 2000-02-10 | Joachim Kretz | Tower construction esp. for wind power plant with metal outer and inner shells and concrete shell arranged between these also connecting carrying elements for forming carrying |
| CN2921006Y (en) * | 2005-11-29 | 2007-07-11 | 武汉理工大学 | Column wall built-in type granulation column apparatus |
| CN101535582A (en) * | 2006-10-02 | 2009-09-16 | 风塔系统有限责任公司 | Lifting system and appartus for constructing and enclosing wind turbine towers |
| CN201786579U (en) * | 2010-08-11 | 2011-04-06 | 上海泰胜(东台)电力工程机械有限公司 | Tower of wind power generating unit |
-
2011
- 2011-12-30 CN CN201110457422.8A patent/CN103184983B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0218542A1 (en) * | 1985-10-11 | 1987-04-15 | MANNESMANN Aktiengesellschaft | Cooling tower superstructure |
| DE19832921A1 (en) * | 1998-07-22 | 2000-02-10 | Joachim Kretz | Tower construction esp. for wind power plant with metal outer and inner shells and concrete shell arranged between these also connecting carrying elements for forming carrying |
| CN2921006Y (en) * | 2005-11-29 | 2007-07-11 | 武汉理工大学 | Column wall built-in type granulation column apparatus |
| CN101535582A (en) * | 2006-10-02 | 2009-09-16 | 风塔系统有限责任公司 | Lifting system and appartus for constructing and enclosing wind turbine towers |
| CN201786579U (en) * | 2010-08-11 | 2011-04-06 | 上海泰胜(东台)电力工程机械有限公司 | Tower of wind power generating unit |
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| Publication number | Publication date |
|---|---|
| CN103184983A (en) | 2013-07-03 |
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