CN202040032U - Tower support with multiple vertical posts for wind driven generator - Google Patents

Abstract

A multi-column tower for wind power generators, including a tower top platform on which generator sets and fan blades are installed on the upper part, a tower column made of hollow cylindrical steel pipes in the upper and lower directions, multiple layers of reinforced beams in the middle of the tower, and a The tower chassis at the lower part of the multi-column tower, and the tower fixing screws that fix the tower chassis on the base of the wind turbine; the upper part of the tower column of the multi-column tower is inclined to the center to form a top platform at the upper end of the multi-column tower The area of the tower is small, and the area of the lower tower chassis is large, which is conducive to the stability of the multi-column tower. The multi-columns are welded by commercially available ready-made steel pipes of the same diameter, with low cost, simple construction process, low technical difficulty, high construction efficiency, low construction cost and short construction period. Moreover, the diameter of the multi-column is small, the wind receiving area is small, and the lateral load is reduced.

Description

Multi-column towers for wind turbines

technical field

The utility model relates to the field of wind power generators. the

Background technique

Wind generators use natural wind power to generate electricity. Due to the advantages of economy and environmental protection, people pay more and more attention to it. It is a green energy source, and wind power generation technology has also been developed at a high speed. the

A general wind turbine consists of a base at the bottom, a tower in the middle, a generator at the top, blades, and a control system. Among them, the lower end of the tower is installed on the base, and the upper end is installed with the generator and blades. It is the main support of the wind turbine. To withstand the main forces and loads of the wind generator, it needs to have good strength and rigidity. The general tower is a long cylindrical cone with a small upper part and a large lower part. The length of the tower can reach 100 meters. The tower is made of steel plate material. The diameter of the tower is large. The steel plate is cut and rolled to make a short cone , and then welded into a whole tower tube, its construction process is complex, technical difficulty is high, large-scale equipment processing is required, construction efficiency is low, construction cost is high, investment is large, and construction period is long. Moreover, the diameter of the tower is large, the wind receiving area is large, the lateral load is large, the strength requirement is high, the material consumption is large, and the cost is high. the

Contents of the invention

The technical problem to be solved by the utility model is to provide a multi-column tower for wind power generators, which can withstand strong wind loads and has good strength and rigidity. The multi-columns adopt commercially available steel pipes with the same diameter, and the cost is low , The construction process is simple, the technical difficulty is low, no large-scale equipment processing is required, the construction efficiency is high, the construction cost is low, the investment is small, and the construction period is short. Moreover, the diameter of the multi-column is small, the wind receiving area is small, and the lateral load is reduced. the

In order to solve the above technical problems, the technical solution adopted by the utility model is: the multi-column tower includes a tower top platform, a tower column, a reinforced beam, and a tower chassis; the upper part of the tower top platform is a plane, and the generator set is installed on the top of the plane and fan blades, the tower column is a hollow cylindrical steel pipe in the up and down direction, there are multiple tower columns, and the reinforcing beam that increases the rigidity and strength of the tower column is located in the middle of the tower, connecting the adjacent columns of the tower column horizontally, strengthening The beam has multiple layers. The tower chassis is located at the lower part of the multi-column tower. The upper plane of the tower chassis is welded to fix the tower columns. The bottom plane of the tower chassis is fixed on the base of the wind turbine with tower fixing screws. The top platform of the frame, the column of the tower frame, the reinforced beam, and the chassis of the tower frame are welded into one. the

The number of columns of the tower column is three, four, six. the

The platform at the top of the tower and the chassis of the tower are circular, triangular, square, or hexagonal flat plates, and the flat plates have reinforcing ribs to increase strength and rigidity. the

The reinforcing crossbeams are one-story, two-story, three-story, four-story and five-story, and each layer of strengthening crossbeams is welded between adjacent tower columns with hollow cylindrical steel pipes. the

The upper part of the tower column of the multi-column tower is inclined to the center, forming a small area of the top platform at the upper end of the multi-column tower, and a large area of the lower tower chassis, which is beneficial to the stability of the multi-column tower. the

The beneficial effects of the utility model are: the multi-column tower can bear the strong wind load, and has good strength and rigidity; the multi-column is welded with commercially available steel pipes of the same diameter, the cost is low, the construction process is simple, and the technical difficulty is low. No need for large-scale equipment processing, high construction efficiency, low construction cost, small investment, and short construction period. Moreover, the diameter of the multi-column is small, the wind receiving area is small, and the lateral load is reduced. the

Description of drawings

1. Figure 1 is a front sectional view of the first embodiment of a multi-column tower. the

2. Figure 2 is a cross-sectional view along line A-A of Figure 1 . the

3. Figure 3 is a front sectional view of a second embodiment of a multi-column tower. the

4. Fig. 4 is a B-B sectional view of Fig. 3 . the

In the picture:

1. Generator set 2. Fan blades

3. Multi-column tower 4. Tower top platform

5. Tower column 6. Reinforced beam in the middle of the tower

7. Tower chassis 8. Tower fixing screws

9. The base of the wind turbine

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail: Fig. 1, Fig. 2 are the first kind of embodiment of the utility model. Fig. 3, Fig. 4 are the second embodiment of the present utility model. the

Fig. 1 is a front sectional view of a first embodiment of a multi-column tower. Fig. 2 is a cross-sectional view along line A-A of Fig. 1 . Fig. 3 is a front sectional view of a second embodiment of a multi-column tower. Fig. 4 is a B-B sectional view of Fig. 3 . the

As can be seen from Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the upper end of the multi-column tower 3 is equipped with the generator set 1 and the fan blade 2, and the multi-column tower 3 supports the generator set 1 and the fan blade 2 at high altitude, The fan blades 2 rotate under the action of wind force to drive the generator set 1 to generate electricity, and the multi-column tower supports the weight and load of the wind generator. the

The base 9 of the wind-driven generator is located on the ground or on the water. The wind-driven generator is an existing commonly used wind-driven generator, which can have various powers, different structures and weights. The utility model is suitable for high-power wind-driven generators with large weight and volume . The bottom of the wind-driven generator is the base 9 of the wind-driven generator, and the top of the base 9 of the wind-driven generator is installed and fixed with a tower fixing screw 8 with a multi-column tower 3, a platform 4 at the top of the tower, a tower column 5, and a reinforcing beam 6. The tower chassis 7 is welded into one body. the

The multi-column tower 3 includes a tower top platform 4, a tower column 5, a reinforced beam 6, and a tower chassis 7; 5 is a hollow cylindrical steel pipe in the up-and-down direction. There are multiple tower columns 5. The reinforced beam 6 that increases the rigidity and strength of the tower column 5 is located in the middle of the tower, and the adjacent columns of the tower column 5 are connected horizontally. There are multiple layers, the tower chassis 7 is located at the lower part of the multi-column tower 3, the upper plane of the tower chassis 7 is welded and fixed to the tower column 5, and the bottom plane of the tower chassis 7 is fixed on the wind turbine with tower fixing screws 8 On the base 9, the platform 4 at the top of the tower, the column 5 of the tower, the reinforcing beam 6 in the middle of the tower, and the chassis 7 of the tower are welded into one. the

The number of columns of the tower column 5 is three, four, or six. the

The tower top platform 4 and the tower chassis 7 are circular, triangular, and square flat plates, and the flat plates have reinforcing ribs to increase strength and rigidity. the

Reinforced crossbeam 6 is one floor, two floors, three floors, four floors, five floors, and every layer of reinforced crossbeam 6 is welded between each adjacent tower column 5 with hollow cylindrical steel pipes, which is one floor in the figure. the

The upper part of the tower column 5 of the multi-column tower is inclined to the center, forming a small area of the top platform 4 at the upper end of the multi-column tower, and the area of the lower tower chassis 7 is large, which is conducive to the stability of the multi-column tower. the

Shown in Fig. 1 and Fig. 2 is the first embodiment, the tower top platform 4 of the tower column 5 is a triangle, the reinforcing beam 6 is one layer, and it can also be multi-layered, and the tower chassis 7 is a circle, also It can be other regular polygons, the tower chassis 7 has reinforcing ribs, and the number of tower columns 5 is three. the

Shown in Fig. 2 and Fig. 3 is the second embodiment, the tower top platform 4 of the tower column 5 is a square, the reinforcing beam 6 is one layer, and it can also be multi-layered, and the tower chassis 7 is circular, It can also be other regular polygons, the tower chassis 7 has reinforcement ribs, and the number of tower columns 5 is four. the

The beneficial effects of the utility model are: the multi-column tower can bear the strong wind load and has good strength and rigidity; the multi-column is welded with commercially available steel pipes of the same diameter, the cost is low, the construction process is simple, and the technical difficulty is low. No need for large-scale equipment processing, high construction efficiency, low construction cost, small investment, and short construction period. Moreover, the diameter of the multi-column is small, the wind receiving area is small, and the lateral load is reduced. the

Claims (5)

1. A multi-column tower for wind-driven generators, characterized in that: multi-column tower (3) comprises a tower top platform (4), a tower column (5), a reinforcing beam (6), a tower chassis (7); the top of the tower top platform (4) is a plane, and the generator set (1) and fan blade (2) are installed on the top of the plane, and the tower column (5) is a hollow cylindrical steel pipe in the up-down direction, and the tower column (5 ) are plural, the reinforcing beam (6) that increases the rigidity and strength of the tower column (5) is located in the middle of the tower, and connects the adjacent columns of the tower column (5) horizontally, and the reinforcing beam (6) has multiple layers, The tower chassis (7) is positioned at the bottom of the multi-column tower (3), and the upper plane of the tower chassis (7) is welded to fix the tower column (5), and the bottom plane of the tower chassis (7) is fixed with a tower screw ( 8) It is fixed on the base (9) of the wind power generator, and the tower top platform (4), the tower column (5), the reinforcing beam (6), and the tower chassis (7) are welded into one. 2. The multi-column tower for wind power generators according to claim 1, characterized in that: the number of columns of the tower columns (5) is three, four or six. 3. The multi-column tower used for wind power generators according to claim 1 is characterized in that: the tower top platform (4) and the tower chassis (7) are circular, triangular, square, hexagonal flat plates , the flat plate has ribs for added strength and rigidity. 4. The multi-column tower used for wind power generator according to claim 1 is characterized in that: the reinforcement crossbeam (6) is one floor, two floors, three floors, four floors, five floors, and each layer of reinforcement crossbeam (6 ) is welded between each adjacent tower column (5) with a hollow cylindrical steel pipe. 5. The multi-column tower for wind power generator according to claim 1, characterized in that: the upper part of the tower column (5) of the multi-column tower is inclined to the center, forming the top platform (4) at the upper end of the multi-column tower The area of the tower is small, and the tower chassis (7) of the bottom has a large area, which is conducive to the stability of the multi-column tower. the

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