CN217538913U - Assembled bight L type connection steel pipe concrete bundle fan tower section of thick bamboo - Google Patents
Assembled bight L type connection steel pipe concrete bundle fan tower section of thick bamboo Download PDFInfo
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- CN217538913U CN217538913U CN202221907687.3U CN202221907687U CN217538913U CN 217538913 U CN217538913 U CN 217538913U CN 202221907687 U CN202221907687 U CN 202221907687U CN 217538913 U CN217538913 U CN 217538913U
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Abstract
The utility model discloses an assembled L-shaped corner connecting steel pipe concrete bundle fan tower cylinder, wherein the annular direction of the fan tower cylinder is a tower section formed by splicing a plurality of steel pipe concrete cylinder bodies, the annular cross section of the fan tower cylinder is a hollow polygon, the vertical direction of the fan tower cylinder comprises a plurality of tower sections, and the diameter of the tower section which rises along the vertical direction of the fan tower cylinder is smaller; the system can be completely prefabricated in a factory, field connection is carried out, time can be saved, efficiency is improved, higher fatigue resistance can be achieved, actual requirements can be met, and the industrialization process of the wind turbine tower can be greatly promoted.
Description
Technical Field
The utility model belongs to the technical field of wind power generation tower section of thick bamboo structure, a steel pipe concrete beam fan tower section of thick bamboo is connected to assembled bight L type is related to.
Background
The development of the traditional wind power resource advantage region in China gradually saturates, the gravity center of the wind power development begins to shift to the low wind speed region, and in order to improve the energy utilization rate and better develop the wind power resource, the generated energy of a unit in the low wind speed region needs to be improved by lengthening blades and increasing the height of a fan. Based on this, larger impeller diameters and taller towers have become the main trend in wind power development, which results in increased total weight of the nacelle and blades, increased diameter, height and weight of the tower. Traditional fan tower section of thick bamboo adopts the all steel construction, makes the structure become gentle along with fan tower section of thick bamboo height's increase, makes the structure have safety problems such as resonance and swing on the one hand, and on the other hand also makes tower section of thick bamboo cost sharply increase, is difficult to adapt to market demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and providing an assembled L-shaped corner connecting steel tube concrete beam blower tower cylinder; the system can be completely prefabricated in a factory, field connection is carried out, time can be saved, efficiency is improved, higher fatigue resistance can be achieved, actual requirements can be met, and the industrialization process of the wind turbine tower can be greatly promoted.
The utility model provides a, an assembled bight L type is connected steel pipe concrete and is restrainted fan tower section of thick bamboo, fan tower section of thick bamboo hoop for the tower section that a plurality of steel pipe concrete stack shells concatenation formed, and the transversal hollow polygon of personally submitting of fan tower section of thick bamboo hoop, and fan tower section of thick bamboo is vertical to be formed including a plurality of tower section concatenations, and follows the vertical upper tower section diameter of fan tower section of thick bamboo and is littleer.
The utility model discloses a characteristics still lie in:
the concrete filled steel tube cylinder body comprises a plurality of rectangular cavities formed by welding a plurality of U-shaped steel plates, and concrete is filled in the rectangular cavities of the concrete filled steel tube cylinder body;
the plurality of U-shaped steel plates are internally provided with studs;
the steel pipe concrete cylinder body is provided with L-shaped connecting steel plates towards two sides in the circumferential direction, so that the cross section of the steel pipe concrete cylinder body is trapezoidal, and circumferentially adjacent steel pipe concrete cylinder bodies are connected through the L-shaped connecting steel plates;
and L-shaped longitudinal connecting steel plates are arranged at the longitudinal two ends of the concrete filled steel tube cylinder body, and the tower sections are connected through the L-shaped longitudinal connecting steel plates.
Wherein, the L-shaped connecting steel plate and the L-shaped longitudinal connecting steel plate are both internally provided with a connecting plate rib plate;
wherein the adjacent steel pipe concrete stack shell of hoop passes through L type steel sheet connection, and vertical adjacent steel pipe concrete stack shell is connected through L type longitudinal connection steel sheet, and adjacent L type steel sheet connection and adjacent L type longitudinal connection steel sheet are all through bolt-up connection.
The utility model has the advantages that:
the main body structure of the assembled corner L-shaped connecting steel pipe concrete bundle fan tower cylinder of the utility model is composed of steel pipe concrete bundles, can fully exert the performance of steel and concrete, has the advantages of high bearing capacity, large rigidity, good stability and the like, can effectively bear the complex load borne by a wind power tower cylinder, can be suitable for high tower structures, breaks through the design height of the traditional pure steel tower cylinder, and avoids the defects of vortex-induced vibration, large swing amplitude, prominent fatigue problem and the like of the traditional pure steel tower cylinder;
the concrete filled in the steel pipe cavity does not need to be provided with reinforcing steel bars, so that the concrete poured steel pipe bundle can be directly used as a concrete supporting structure, the steps of formwork supporting and formwork removing of the concrete are omitted, the construction period is short, and the economical efficiency is good. The studs are arranged in the steel pipe bundle, so that the bonding force between the steel pipe bundle and concrete is enhanced, slippage between the steel pipe bundle and the concrete is avoided, the bearing capacity and stability of the structure are enhanced, and the steel pipe is prevented from bulging and bending;
the tower barrel is prefabricated in a slicing mode and assembled on site, so that the limitation of transportation size and hoisting weight is broken through, and transportation and construction are facilitated; all components are manufactured in a factory, so that the quality of the components is improved, field wet operation is avoided, and the construction period is short. The adjacent cylinder bodies are connected through the connecting nodes by bolts, the connecting mode is simple, only the assembly of high-strength bolts is needed to be completed on a construction site, the installation is convenient, the installation steps are greatly simplified, the installation speed is greatly increased, and the construction efficiency is improved;
the force transfer between the upper barrel body and the lower barrel body is definite, the stress concentration phenomenon is avoided, the plastic hinges in the structure move outwards, and the rigidity and the deformation resistance of the connecting node area are greatly improved by arranging the rib plates of the connecting plates. The advantages of high strength, good elastic plasticity and high compressive strength of concrete of the steel are fully utilized, and the concrete has high rigidity, high bearing capacity and low manufacturing cost.
Drawings
FIG. 1 is an overall schematic view of an assembled L-shaped corner section connection steel pipe concrete bundle fan tower cylinder of the present invention;
FIG. 2 is a schematic cross-sectional view of a barrel body of an assembled L-shaped corner section connection concrete filled steel tube bundle fan tower barrel of the present invention;
FIG. 3 is a schematic view of a single-piece barrel body structure of an assembled L-shaped corner section connection steel pipe concrete bundle fan tower barrel of the present invention;
fig. 4 is a partial enlarged view of the area a in fig. 1, i.e., a schematic diagram of the connection node of the present invention;
FIG. 5 is a schematic view of the cross-sectional structure a-a in FIG. 4;
fig. 6 is a schematic sectional view of b-b in fig. 4.
In the figure, 1, a steel pipe concrete barrel body, 2, vertical connecting nodes, 3, annular connecting nodes, 4, rectangular steel pipe concrete bundle barrel body units, 5, connecting plate rib plates, 6, steel plates, 7, concrete, 8, bolts, 9, toggle pins, 10.L-shaped connecting steel plates and 11.L-shaped longitudinal connecting steel plates.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides an assembled L-shaped corner connection steel pipe concrete bundle fan tower cylinder, as shown in figure 1, a plurality of steel pipe concrete cylinder bodies 1 are assembled in a circular direction through circular connection nodes 3, and are sequentially assembled upwards through vertical connection nodes 2 along the height direction to form an integral combined structure fan tower cylinder;
the number of tower segments in the height direction shown in fig. 1 is only an illustration, and the number of tower segments may be increased or decreased according to actual engineering conditions, and the diameter of the tower may shrink continuously as the height increases.
As shown in fig. 2, the whole cross section of the cylinder body of the utility model is a hollow polygon, the ring direction is formed by assembling a plurality of steel pipe concrete cylinder bodies 1 through ring direction connecting nodes 3, the outer part of the steel pipe concrete cylinder body 1 is a steel plate 6, and the inner part is filled with concrete 7; each steel pipe concrete barrel body 1 is composed of a plurality of rectangular steel pipe concrete bundle barrel body units 4;
the cross section of the barrel body of the utility model is a hollow polygon, for example, a regular octagon as shown in fig. 2, which can be adjusted according to the actual situation, but is not limited to this;
as shown in fig. 3, the concrete filled steel tube barrel 1 is specifically configured in the following manner: a plurality of U-shaped steel plates with studs 9 are welded to form a plurality of rectangular cavities, and then concrete 7 is filled into the rectangular steel tube concrete beam barrel body units 4; the rectangular concrete filled steel tube bundle barrel body units 4 positioned at the two ends are welded with annular L-shaped connecting steel plates 10 and are provided with connecting plate rib plates 5 so as to be connected with adjacent barrel bodies;
as shown in fig. 4, 5 and 6, the end of the concrete filled steel tube barrel 1 is provided with a circumferential L-shaped connecting steel plate 10 and an L-shaped longitudinal connecting steel plate 11, and the circumferential and longitudinal connecting rib plates 5 are provided to reinforce the node. The concrete connection mode is as follows: the adjacent cylinder bodies are fastened and connected by bolts 8 through L-shaped connecting steel plates 10 arranged at the corners in an upward mode; in the vertical direction, adjacent cylinder bodies are connected in a split T-shaped manner through an L-shaped longitudinal connecting steel plate 11 by adopting bolts 8;
the number of bolts shown in a-a and b-b in fig. 4 is only illustrative and can be increased or decreased according to the actual engineering situation.
The above embodiment is only a preferred technical solution of the present invention, and is not used to limit the present invention, and to those skilled in the art, the present invention may have several modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an assembled bight L type connection steel pipe concrete bundle fan tower section of thick bamboo, a serial communication port, fan tower section of thick bamboo hoop is the tower section that a plurality of steel pipe concrete stack shells (1) concatenation formed, and the transversal hollow polygon that personally submits of fan tower section hoop, and fan tower section of thick bamboo is vertical to be formed including a plurality of tower section concatenations, and the vertical upper tower section diameter of following fan tower section of thick bamboo is littleer.
2. The assembly type corner L-shaped connection steel pipe concrete bundle wind turbine tower barrel as claimed in claim 1, wherein the steel pipe concrete barrel (1) comprises a plurality of rectangular cavities formed by welding a plurality of U-shaped steel plates, and concrete (7) is filled in the rectangular cavities of the steel pipe concrete barrel (1).
3. The fabricated L-shaped corner connection concrete filled steel tube bundle wind turbine tower according to claim 2, characterized in that a plurality of the U-shaped steel plates are provided with studs (9) therein.
4. The assembly type corner L-shaped connection concrete filled steel tube bundle fan tower drum as claimed in claim 1, wherein L-shaped connection steel plates (10) are arranged on two circumferential sides of the concrete filled steel tube drum body (1) to enable the cross section of the concrete filled steel tube drum body (1) to be trapezoidal, and circumferentially adjacent concrete filled steel tube drum bodies (1) are connected through the L-shaped connection steel plates (10);
the concrete filled steel tube barrel body (1) is provided with L type longitudinal connection steel plates (11) at two longitudinal ends, and the tower sections are connected through the L type longitudinal connection steel plates (11).
5. The assembly type corner L-shaped connecting concrete filled steel tube bundle wind turbine tower barrel as claimed in claim 4, wherein the L-shaped connecting steel plates (10) and the L-shaped longitudinal connecting steel plates (11) are both internally provided with connecting plate rib plates (5).
6. The assembly type corner L-shaped connecting steel pipe concrete bundle fan tower barrel as claimed in claim 4, wherein the circumferentially adjacent steel pipe concrete barrel bodies (1) are connected through L-shaped connecting steel plates (10), the longitudinally adjacent steel pipe concrete barrel bodies (1) are connected through L-shaped longitudinal connecting steel plates (11), and the adjacent L-shaped connecting steel plates (10) and the adjacent L-shaped longitudinal connecting steel plates (11) are fastened and connected through bolts (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221907687.3U CN217538913U (en) | 2022-07-21 | 2022-07-21 | Assembled bight L type connection steel pipe concrete bundle fan tower section of thick bamboo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221907687.3U CN217538913U (en) | 2022-07-21 | 2022-07-21 | Assembled bight L type connection steel pipe concrete bundle fan tower section of thick bamboo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217538913U true CN217538913U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221907687.3U Active CN217538913U (en) | 2022-07-21 | 2022-07-21 | Assembled bight L type connection steel pipe concrete bundle fan tower section of thick bamboo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217538913U (en) |
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2022
- 2022-07-21 CN CN202221907687.3U patent/CN217538913U/en active Active
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