CN223434437U - Tower structure for supporting wind turbine generator - Google Patents
Tower structure for supporting wind turbine generatorInfo
- Publication number
- CN223434437U CN223434437U CN202423152647.4U CN202423152647U CN223434437U CN 223434437 U CN223434437 U CN 223434437U CN 202423152647 U CN202423152647 U CN 202423152647U CN 223434437 U CN223434437 U CN 223434437U
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- tower
- supporting
- wind turbine
- tower tube
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Abstract
The invention provides a tower structure for supporting a wind turbine, which comprises a fan foundation and a plurality of tower tube sections which are spliced in the height direction, wherein the tower tube sections gradually decrease from low to high tube diameters, a plurality of supporting connecting tubes are arranged in each tower tube section at equal intervals in the circumferential direction, light filling plates are arranged in each tower tube section at intervals in the height direction between every two adjacent supporting connecting tubes, and the supporting connecting tubes and the light filling plates are buried in concrete of the tower tube sections and are fixedly connected with each other. Through set up many support connecting pipes along circumference in the tower section of thick bamboo, under the condition that does not increase tower section of thick bamboo wall thickness, improved the rigidity and the intensity of original steel tower section of thick bamboo to set up a plurality of light filler plates along the direction of height interval between every two adjacent support connecting pipes, reduce the structure dead weight under the circumstances that does not influence structural rigidity.
Description
Technical Field
The invention relates to the technical field of tower barrel structure design, in particular to a tower structure for supporting a wind turbine generator.
Background
Under the background that the wind power plant with higher annual average wind speed is open and tends to be saturated, the land wind power plant construction is gradually transferred to an inland low wind speed area. In order to obtain relatively large wind speed in a low wind speed area and meet the power generation requirement, the tower frame of the wind turbine generator is highly super-high and the impeller is large-sized. The prior high tower technology which is mainly used in the wind power industry mainly comprises two technical routes of an all-steel tower and a reinforced concrete combined tower. With the increase of the tower height, the all-steel tower is more and more flexible, the self-vibration frequency is reduced, and the vibration problem is serious. The reinforced concrete combined tower has lower gravity center and better stability and rigidity, and can avoid resonance response excited by impeller pulsation. However, as the tower height increases, the base counter force increases and the base area correspondingly increases, thereby increasing the land feature area, increasing the concrete usage and affecting the cost. Based on this situation, there is a need for a concrete tower that is light in weight, high in rigidity, and capable of being prefabricated.
Disclosure of utility model
The invention aims to provide a tower structure for supporting a wind turbine, which reduces the dead weight of a concrete tower on the basis of keeping the rigidity and strength of a concrete tower cylinder so as to achieve the aim of reducing the foundation force.
The invention provides a tower structure for supporting a wind turbine, which comprises a fan foundation and a plurality of tower tube sections spliced in the height direction, wherein the tower tube section positioned at the bottommost end is fixedly arranged at the top end of the fan foundation, the wind turbine is fixedly arranged on the tower tube section positioned at the topmost end, a plurality of supporting connecting tubes are arranged in each tower tube section at equal intervals in the circumferential direction, light filling plates are arranged in each tower tube section at intervals in the height direction between every two adjacent supporting connecting tubes, the supporting connecting tubes and the light filling plates are buried in concrete of the tower tube sections, and the supporting connecting tubes in each two adjacent tower tube sections are connected through flanges.
Further, a high-strength grouting material layer is filled between the concrete of each two adjacent tower tube sections.
Further, the support connecting pipes are square pipes, and a plurality of square pipes in each tower tube section are arranged at equal intervals.
Further, the lightweight filler board is a polystyrene board or a polyurethane foam board.
Further, the length of each support connection tube is equal to the length of the corresponding sleeve tube segment.
Further, each tower tube section comprises at least two tower tube segments, every two adjacent tower tube segments in the same tower tube section are connected through high-strength grouting materials, support connecting tubes positioned at the edges between the adjacent tower tube segments are welded through steel plates, and splicing seams of every two tower tube segments which are adjacent up and down are staggered.
Further, a reserved hole is formed in the end portion of each tower tube section, corresponding to the supporting connecting tube.
Further, the upper section and the lower section of the tower tube section are positioned at the exposed reinforcing steel bars at the reserved hole.
Further, the reserved hole is filled with a concrete layer, and the support connecting pipe and the exposed steel bars at the reserved hole are buried in the concrete layer.
Further, the pipe section of the tower tube gradually decreases from low to high pipe diameter.
The technical scheme has the beneficial effects that the rigidity and strength of the original steel tower cylinder are improved under the condition that the wall thickness of the tower cylinder is not increased by arranging the plurality of support connecting pipes in the tower cylinder section along the circumferential direction, and the plurality of light filling plates are arranged between every two adjacent support connecting pipes along the height direction at intervals, so that the dead weight of the structure is reduced under the condition that the structural rigidity is not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a tower structure for supporting a wind turbine according to the present invention.
Fig. 2 is a transverse cross-sectional view of a tower section of pipe in accordance with the present invention.
FIG. 3 is a cross-sectional view of a tower section along line B-B of the present invention.
Fig. 4 is an enlarged view of the structure of fig. 3 a according to the present invention.
FIG. 5 is a cross-sectional view of a tower section along line C-C of the present invention.
Fig. 6 is a schematic diagram of the position of a splicing seam of an upper section of a tube section and a lower section of a segmented tower tube section.
The reference numerals indicate 1-tower tube section, 101-tower tube segment, 102-splice joint, 2-support connecting tube, 3-light filling plate, 4-flange, 5-high strength grouting material layer, 6-exposed steel bar, 7-fan foundation, 8-wind turbine generator and 9-concrete layer.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "coupled," and "connected" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intermediate medium, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1-5, the invention provides a tower structure for supporting a wind turbine, which comprises a fan foundation and a plurality of tower tube sections 1 spliced and arranged along the height direction, wherein the tower tube section 1 positioned at the bottommost end is fixedly connected with the fan foundation 7 through a flange, the wind turbine 8 is fixedly arranged on the tower tube section 1 positioned at the topmost end in a flange connection mode, the tower tube sections 1 gradually reduce from low to high tube diameters, a plurality of support connecting tubes 2 are arranged in each tower tube section 1 at equal intervals along the circumferential direction, the length of each support connecting tube 2 is equal to that of a corresponding sleeve tube section, the support connecting tubes 2 in the embodiment are square tubes, the square tubes in each tower tube section 1 are arranged at equal intervals, and the support strength of the tower tube section 1 is enhanced by arranging a plurality of square tubes to replace part of concrete.
The inside light filling board 3 that is provided with of tower section of thick bamboo along the direction of height interval between every two adjacent support connecting pipes 2, the light filling board 3 in this embodiment is polyphenyl board or polyurethane foam board, sets up light filling board 3, replaces local concrete to form the cavity structure, combine the setting of support connecting pipe 2 under the condition that does not reduce structural rigidity, reduce the dead weight of concrete tower, with the purpose that reaches the reduction basal force, solved tower section of thick bamboo height, rigidity and intensity increase, lead to the problem of tower section of thick bamboo wall thickness and engineering volume increase.
The support connecting pipes 2 and the light filling plates 3 are buried in the concrete of the tower tube sections 1, and reserved holes are reserved at the end positions of each tower tube section 1 corresponding to the support connecting pipes 2 and are used for fixedly connecting the upper support connecting pipes 2 and the lower support connecting pipes 2 which correspond to each other through flanges 4.
And a high-strength grouting material layer 5 is filled between the concrete of each two adjacent tower tube sections 1, so that the upper tower tube section 1 and the lower tower tube section 1 are further fixedly connected.
The manufacturing and mounting method for the tower structure for supporting the wind turbine comprises the following specific manufacturing steps:
Firstly, manufacturing a plurality of tower tube sections 1, firstly, arranging a plurality of support connecting tubes 2 at equal intervals along the circumference, binding reinforcing steel bars along the circumferential direction enclosed by the support connecting tubes 2 to form a reinforcing steel bar cage, reserving a plurality of accommodating cavities along the axial direction of the tower tube sections 1 between every two support connecting tubes 2 when binding the reinforcing steel bar cage, cutting a light filling plate 3 into corresponding sizes, placing the light filling plate in the accommodating cavities, then supporting annular templates on the inner side and the outer side of the reinforcing steel bar cage, and pouring concrete into the annular templates, wherein the concrete is not poured into the support connecting tubes 2.
Before concrete pouring, a hole template is arranged at the inner part of the support template corresponding to the end part of each support connecting pipe 2, a reserved hole is formed after pouring, finally flange 4 plates are welded at the upper end and the lower end of each support connecting pipe 2, steel plates perpendicular to the flange 4 plates are arranged on the inner sides of the holes in advance, the sizes of the steel plates are consistent with the sizes of the reserved holes, concrete layers 9 are poured at the holes at the later stage conveniently for sealing, and meanwhile, the vertical steel bars at the positions of the reserved holes are required to be exposed and cut off, and the exposed steel bars 6 of the upper tower section of pipe 1 and the lower tower section of pipe 1 are welded and connected.
When the tower is erected, a plurality of tower tube sections 1 are connected in the height direction, and the tower tube sections 1 adjacent to each other up and down are fixedly connected in two ways, namely, the support connecting tubes 2 are connected through flanges 4, the concrete of the tower tube sections 1 adjacent to each other up and down is filled with high-strength grouting materials, and the further connection of the tower tube sections 1 adjacent to each other up and down is realized through filling the high-strength grouting materials. And finally forming the whole tower structure for supporting the wind turbine. And finally, the bottom of the fan steel tower section is connected with the top of the whole concrete tower through a flange 4, so that the connection between the fan tower and the concrete tower is completed, and the power generation of the fan is realized. In order to further enhance the stability of connection between the upper and lower adjacent tower tube sections 1, flanges and caulking grooves can be respectively arranged at the upper and lower ends of the manufactured tower tube sections 1, so that the upper and lower adjacent tower tube sections 1 can be spliced through the cooperation of the flanges and the caulking grooves, the spliced parts are connected through high-strength grouting materials, and the flanges and the caulking grooves are not arranged at the top end of the tower tube section at the top end and the bottom end of the tower tube section at the bottom end.
Example 2
As shown in FIG. 6, the difference between the present embodiment and the embodiment 1 is that each tower tube segment 1 is of a split type structure, and each tower tube segment comprises two tower tube segments 101, and each two adjacent tower tube segments 101 in the same tower tube segment 1 are fixedly spliced in the same manner, wherein the first is that the two adjacent tower tube segments are connected through high-strength grouting materials at the splicing seams 102, the other is that the upper flanges of the support connecting tubes 2 positioned at the edges between the adjacent tower tube segments 101 are connected through bolts, and the splicing seams 102 of each two upper and lower adjacent tower tube segments 1 are staggered.
Through set up support connecting pipe 2 and light filler plate 3 in tower section of thick bamboo tube coupling 1, form stable tower structure system that is used for supporting wind turbine generator system, under the condition that does not increase tower section of thick bamboo wall thickness or height, improved the rigidity and the intensity of tower section of thick bamboo to satisfy the bearing capacity of fan unit, effectively reduced the steel use amount of tower section of thick bamboo. Meanwhile, the light filling plate 3 is arranged in the wall of the tower to form a cavity, so that the structural dead weight is reduced under the condition that the structural rigidity is not influenced, the base area is reduced, and the manufacturing cost is reduced. The arrangement of the support connecting pipes 2 can increase the rigidity of the split type tower tube sections 1 at the vertical joint connection, and the probability of concrete cracking can be reduced under the condition of high wind speed.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423152647.4U CN223434437U (en) | 2024-12-19 | 2024-12-19 | Tower structure for supporting wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423152647.4U CN223434437U (en) | 2024-12-19 | 2024-12-19 | Tower structure for supporting wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223434437U true CN223434437U (en) | 2025-10-14 |
Family
ID=97274153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423152647.4U Active CN223434437U (en) | 2024-12-19 | 2024-12-19 | Tower structure for supporting wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223434437U (en) |
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2024
- 2024-12-19 CN CN202423152647.4U patent/CN223434437U/en active Active
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