CN211474335U - Tower and wind generating set - Google Patents

Abstract

The utility model relates to a pylon and wind generating set, the pylon includes: a support body; the embedded section is located at one end of the support body and connected with the support body, the embedded section comprises a base body and an auxiliary connecting assembly connected with the base body, the base body is provided with a preset length and is connected with the support body at one end in the length direction, at least part of the auxiliary connecting assembly protrudes out of the outer wall surface of the base body, and the embedded section is used for being embedded into a foundation. The embodiment of the utility model provides a pylon and wind generating set, pylon can directly bury underground in the ground, on satisfying the basis of the outrigger requirement to each part, can also shorten wind generating set's operation cycle and reduce construction cost.

Description

Tower and wind generating set

Technical Field

The utility model relates to a wind-powered electricity generation technical field especially relates to a pylon and wind generating set.

Background

In recent years, wind power generation has been developed as a clean energy source at a rapid pace, and in order to meet the stability requirement of external components such as a tower, a nacelle supported by the tower, a generator, an impeller and the like, a wind turbine generator set in the prior art generally needs to be provided with a wind turbine foundation in an area where the wind turbine generator set is located, so that a tower is connected to the wind turbine foundation to ensure the stability of the wind turbine generator set.

The wind generating set adopts the structure, so that the operation safety can be met, corresponding defects exist, and the arrangement of the wind turbine foundation is mainly embodied to enable the wind generating set to have long operation period and high cost.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a pylon and wind generating set, pylon can satisfy the outrigger requirement to each part, can also shorten wind generating set's operation cycle and reduce construction cost simultaneously.

In one aspect, according to the embodiment of the present invention, a tower is provided, including: a support body; the embedded section is located at one end of the support body and connected with the support body, the embedded section comprises a base body and an auxiliary connecting assembly connected with the base body, the base body is provided with a preset length and is connected with the support body at one end in the length direction, at least part of the auxiliary connecting assembly protrudes out of the outer wall surface of the base body, and the embedded section is used for being embedded into a foundation.

According to the utility model discloses an aspect, supplementary coupling assembling has a plurality of protrusions in the bulge of outer wall, and a plurality of bulges evenly set up on the base member.

According to the utility model discloses an aspect, supplementary coupling assembling includes a plurality of member that connect respectively in the base member, and the at least one end protrusion of every member forms the bulge in outer wall.

According to the utility model discloses an aspect, the member is stock or reinforcing bar, and the member extends predetermined distance and can dismantle the connection with base member welded connection or through the retaining member in the inside of base member.

According to an aspect of the embodiment of the utility model, the member is the rivet, member and base member welded connection or riveted connection.

According to an aspect of an embodiment of the present invention, the extension direction of the protrusion intersects the length direction, and the intersection angle is greater than 80 ° and less than 100 °; and/or at least part of the projections are arranged at intervals in the length direction, and the length of the projections protruding out of the outer wall surface is gradually reduced from the support body to the direction far away from the support body.

According to the utility model discloses an aspect, supplementary coupling assembling includes a plurality of lugs with base member formula structure as an organic whole, lug protrusion in outer wall and formation bulge.

According to an aspect of the embodiment of the present invention, the number of the embedded sections is one, and one embedded section is butted against the support body; or the number of the embedded sections is more than two, and one ends of the more than two embedded sections converge towards the support body and are connected with the support body.

According to an aspect of an embodiment of the present invention, the support body is a tubular structure or a lattice structure; and/or the substrate is a cylindrical structure or a lattice structure.

In another aspect, according to the embodiment of the present invention, a wind turbine generator system is provided, including: the tower described above; the reinforcing connector is arranged on the embedded section in a cladding mode, the part, protruding out of the outer wall face, of the auxiliary connecting assembly extends into the reinforcing connector, and the embedded section is connected with the foundation through the reinforcing connector.

According to the utility model provides a pylon and wind generating set, the pylon is including supporting the body and burying the section, support the body and can be used for being connected with the cabin and support the cabin, external member such as generator and impeller, bury the section and be located the one end of supporting the body and with support body coupling, bury the section and include the base member and connect in the auxiliary connection subassembly of base member, bury the section at self length direction's one end and support body coupling, the pylon is when using to wind generating set, can directly bury in the ground through its section of burying, because the at least partial protrusion of auxiliary connection subassembly is in the outer wall of base member, can increase the area of contact between section of burying and the ground, guarantee to bury the joint strength between section and the ground, satisfy the stable supporting requirement to each part. And an anchor bolt foundation or an anchor cable foundation used for fixing the tower barrel in the prior art can be eliminated, the operation period of the wind generating set can be shortened, and the construction cost is reduced.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a wind turbine generator system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of a tower according to an embodiment of the present invention;

FIG. 3 is a top view of a partial structure of a tower according to an embodiment of the present invention;

FIG. 4 is a top view of a partial structure of a tower according to another embodiment of the present invention;

FIG. 5 is a partial schematic structural view of a tower according to yet another embodiment of the present invention;

FIG. 6 is a top view of a partial structure of a tower according to yet another embodiment of the present invention;

FIG. 7 is a partial schematic structural view of a tower according to yet another embodiment of the present invention;

fig. 8 is a top view of a partial structure of a tower according to still another embodiment of the present invention.

Wherein:

100-a tower;

10-a support body;

20-embedded section; 21-a substrate; 211-outer wall surface; 22-auxiliary connection assembly; 221-a rod member; 222-a bump;

200-a reinforcing connector;

300-a nacelle; 400-a generator; 500-an impeller; 501-a hub; 502-a blade; 600-foundation;

x-length direction

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The following description is given with the directional terms shown in the drawings and is not intended to limit the specific structure of the tower and the wind turbine generator system of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

For a better understanding of the present invention, a tower and a wind turbine generator set according to embodiments of the present invention will be described in detail below with reference to fig. 1 to 8.

Referring to fig. 1, fig. 1 shows a schematic structural diagram of a wind turbine generator system according to an embodiment of the present invention. The utility model provides a wind generating set, including tower 100, cabin 300, generator 400 and impeller 500, cabin 300 sets up in the top of tower 100, and generator 400 sets up in cabin 300, can be located the inside of cabin 300, and of course also can be located the outside of cabin 300. The impeller 500 includes a hub 501 and a plurality of blades 502 connected to the hub 501, and the impeller 500 is connected to a rotating shaft of the generator 400 through the hub 501. When wind acts on the blades 502, the whole impeller 500 and the rotating shaft of the generator 400 are driven to rotate, so that the wind energy is converted into electric energy.

In the prior art, in order to enable the tower 100 to be stably fixed, a bulky anchor bolt foundation or anchor cable foundation is generally required to be arranged inside the foundation 600 for connecting with the tower 100, so as to ensure the stability of the tower 100. However, the anchor bolt foundation or the anchor cable foundation needs to be installed, leveled, poured, cured and the like, and the operation cycle is long and the cost is high. Therefore, in order to overcome the above-mentioned defect, the embodiment of the utility model provides a novel pylon 100, this pylon 100 not only can satisfy the stable support requirement to each part, can also shorten wind generating set's operation later stage and construction cost simultaneously.

For better understanding of the tower 100 provided by the embodiment of the present invention, the following detailed description of the embodiment of the present invention will be provided with reference to fig. 2 to 8.

Referring to fig. 2, fig. 2 is a partial schematic structural view of a tower 100 according to an embodiment of the present invention. The embodiment of the present invention provides a tower 100 including a support body 10 and an embedded section 20, wherein the support body 10 is used for supporting external components such as a nacelle 300, a generator 400, and an impeller 500. The embedded section 20 is located at one end of the support body 10 and connected to the support body 10, the embedded section 20 includes a base 21 and an auxiliary connection assembly 22 connected to the base 21, the base 21 has a predetermined length and is connected to the support body 10 at one end in the length direction X, and the auxiliary connection assembly 22 at least partially protrudes out of the outer wall surface 211 of the base 21.

The embodiment of the present invention provides a tower 100, when being applied to a wind turbine generator system, can be connected to a nacelle 300 through an end of a supporting body 10 far away from an embedded section 20, and further realize the support of the above mentioned external components. Meanwhile, the embedded section 20 can be directly embedded into the foundation 600, and the auxiliary connecting assembly 22 at least partially protrudes out of the outer wall surface 211 of the base body 21, so that the contact area between the embedded section 20 and the foundation 600 can be increased, the connecting strength between the embedded section 20 and the foundation 600 is ensured, and the requirement of stable support of each part is met. And an anchor bolt foundation or an anchor cable foundation used for fixing the tower barrel in the prior art can be eliminated, and the later operation period and the construction cost of the wind generating set can be shortened.

As an alternative embodiment, the auxiliary connection assembly 22 has a plurality of protrusions protruding from the outer wall surface 211, and the plurality of protrusions are uniformly arranged on the base 21. By providing a plurality of protrusions, the contact area between the embedded section 20 and the foundation 600 can be increased, the connection strength between the embedded section 20 and the foundation 600 is improved, and the stability and the bearing capacity of the tower 100 are further improved. Meanwhile, the plurality of protrusions are limited to be uniformly arranged on the base body 21, so that the stress uniformity of the embedded section 20 can be improved, and the safety performance of the tower 100 is further improved.

In practical implementation, the plurality of protrusions may be uniformly arranged in the length direction of the base 21, and at the same time, the base 21 may have a plurality of protrusions in the circumferential direction, and the protrusions located in the circumferential direction of the base 21 may be spaced and uniformly arranged from each other.

Referring to fig. 2 and 3, fig. 3 is a top view of a partial structure of a tower 100 according to an embodiment of the present invention. As an alternative embodiment, the auxiliary connection assembly 22 of the tower 100 provided in the above embodiments may include a plurality of rods 221 respectively connected to the base 21, and at least one end of each rod 221 protrudes from the outer wall 211 to form a protrusion. The auxiliary member connecting member is in the form of a rod member 221, so that the overall structure of the tower 100 is simple and the cost is low on the basis of improving the connection strength between the embedded section 20 and the foundation 600.

In some alternative embodiments, the rod 221 included in the auxiliary connection assembly 22 may be an anchor rod. The anchor rod may be fixedly connected to the outer wall surface 211 of the base 21 by welding, or the anchor rod may partially extend into the base 21 and be connected to the base 21 by a fastening member such as a nut. By using the rod 221 in the form of an anchor rod, it is easy to purchase and provides a plurality of options for connecting the auxiliary connecting assembly 22 to the base body 21.

Of course, when the auxiliary connection assembly 22 includes the rod 221, the rod 221 is not limited to an anchor rod, but may be a reinforcing bar, and the reinforcing bar may extend into the base 21 by a predetermined distance and be connected with the base 21 by welding or nut fastening. The stability of the connection between the tower 100 and the foundation can also be ensured.

Referring to fig. 4, fig. 4 is a top view of a partial structure of a tower 100 according to another embodiment of the present invention. In practical implementation, the rod 221 included in the auxiliary connection assembly 22 may have only one end protruding from the outer wall 211 of the base 21, so as to form the structure shown in fig. 3. Of course, in some other examples, both ends of the rod 221 may protrude from the outer wall 211 of the base 21, so as to form the structure shown in fig. 4. Through the arrangement, the installation convenience of the auxiliary connecting assembly 22 can be further improved on the basis of ensuring the connection requirement of the tower 100 and the foundation 600, and the production efficiency of the tower 100 is improved.

Referring to fig. 5 and 6 together, fig. 5 is a schematic view illustrating a partial structure of a tower 100 according to still another embodiment of the present invention, and fig. 6 is a plan view illustrating a partial structure of a tower 100 according to still another embodiment of the present invention. It is understood that when the auxiliary connection assembly 22 includes the rod 221, the rod 221 is not limited to the structure of the anchor rod or the reinforcing bar, and in some other examples, the rod 221 may be a rivet, and the rod 221 may be welded or riveted with the base 21. The rivet may be welded to the outer wall surface 211 of the base 21, or may be riveted to the base 21 with one end extending into the base 21. The operation is simple, the connection strength between the rivets can be ensured, and the stability of the tower 100 can also be ensured.

As an alternative implementation manner, in the tower 100 provided in each of the above embodiments, the extending direction of the protruding portion intersects the length direction X, and the intersection angle may be any value between more than 80 ° and less than 100 °.

Moreover, as an alternative embodiment, when the protruding length of the rod 221 from the outer wall surface 211 of the base 21 is longer, at least a part of the protruding portions may be arranged at intervals in the length direction X, and the protruding length of the protruding portions from the outer wall surface 211 gradually decreases from the support body 10 to a direction away from the support body 10. Through the arrangement, the space shape of the embedded section 20 on the foundation 600 can be adapted, and the embedded section 20 can be better inserted into the foundation 600 and connected with the foundation 600.

Referring to fig. 7 and 8 together, fig. 7 is a schematic view illustrating a partial structure of a tower 100 according to still another embodiment of the present invention, and fig. 8 is a plan view illustrating a partial structure of a tower 100 according to still another embodiment of the present invention.

As an alternative embodiment, the above embodiments provide tower 100, the auxiliary connection assembly 22 is not limited to include a plurality of rods 221, and in some other embodiments, the auxiliary connection assembly 22 also includes a plurality of protrusions 222 integrally formed with the base 21, and the protrusions 222 protrude from the outer wall 211 and form protrusions. The auxiliary connection assembly 22 adopts the above structure, and can also ensure the stability of the tower 100, so that the tower 100 can be directly embedded in the foundation 600 through the embedding section 20, a corresponding anchor bolt foundation or anchor cable foundation is cancelled, and the operation later period and the construction cost of the wind generating set can be shortened on the basis of satisfying the stable supporting requirements of each part.

In practical implementation, the bump 222 may be a solid block structure integrally formed with the base 21, and of course, in some other examples, the bump 222 may also be a hollow bump 222 structure formed by stamping a side wall of the base 21, which is not specifically limited herein as long as the stability requirement of the tower 100 can be ensured.

The present invention provides the tower 100 according to the above embodiments, the number of the embedded sections 20 included therein is one, and the size of the embedded sections 20 is matched with the size of the supporting body 10 and one end of the embedded sections is butted against the supporting body 10. Of course, this is an alternative embodiment, and in some other examples, the tower 100 may include more than two embedded sections 20, and one end of the more than two embedded sections 20 converges toward the support body 10 and is connected with the support body 10. With the above arrangement, the bearing capacity of the tower 100 can be improved, and the stability of the entire tower 100 can be ensured after the embedded sections 20 of the tower 100 are embedded in the foundation 600.

As an alternative embodiment, the tower 100 according to the above embodiments may be configured such that the entire support body 10 is a cylindrical structure, but a lattice structure may be adopted. Meanwhile, the tower 100 according to the above embodiments may also have a cylindrical structure or a lattice structure in the embedded section 20.

The support body 10 and the embedded section 20 adopt the above forms respectively, so that the structure is simple, the construction is easy, and the connection between the support body 10 and the embedded section 20 is convenient.

In practical implementation, the cross-section of the support body 10 and the embedded section 20 in the longitudinal direction X of the embedded section 20 may be circular or polygonal, and in the case of polygonal, a regular polygon may be selected, so as to better optimize the bearing capacity of the tower 100.

Accordingly, the tower 100 according to the embodiment of the present invention includes the support body 10 and the embedded section 20, the support body 10 can be used to connect with the nacelle 300 and support the nacelle 300, the generator 400, the impeller 500 and other external components, and the embedded section 20 is located at one end of the support body 10 and connected with the support body 10, and the embedded section 20 includes a base 21 and an auxiliary connection assembly 22 connected with the base 21, meanwhile, the buried section 20 is connected to the support body 10 at one end in the length direction X thereof, so that when the tower 100 is applied to a wind turbine generator set, the tower can be directly buried in the foundation 600 through the buried section 20 thereof, because the auxiliary connecting assembly 22 at least partially protrudes from the outer wall surface 211 of the base body 21, the contact area between the embedded section 20 and the foundation 600 can be increased, the connection strength between the embedded section 20 and the foundation 600 is ensured, and the stable supporting requirement for each external member is met. And an anchor bolt foundation or an anchor cable foundation used for fixing the tower barrel in the prior art can be eliminated, and the later operation period and the construction cost of the wind generating set can be shortened.

And the embodiment of the utility model provides a wind generating set, because of its pylon 100 that includes that above-mentioned each embodiment provides, make it need not additionally to set up crab-bolt basis or anchor rope basis when the construction, can directly bury underground it in the soil of ground 600, can effectually shorten wind generating set's duty cycle and reduce construction cost.

As an optional implementation manner, please continue to refer to fig. 1 to fig. 8, the wind turbine generator system provided by the above embodiments of the present invention may further include a reinforcing connector 200, the reinforcing connector 200 may be disposed to cover the embedded section 20, and the portion of the auxiliary connecting assembly 22 protruding from the outer wall surface 211 extends into the reinforcing connector 200, and the embedded section 20 is connected to the foundation 600 through the reinforcing connector 200. The stability of the connection between the tower 100 and the foundation 600 may be further improved by providing the reinforcement connection body 200.

In specific implementation, the reinforcing connecting body 200 may be a loose structure body made of a material different from the soil of the foundation 600, or may be a solid block structure made of a material such as concrete or secondary grouting material, as long as the connection strength between the embedded section 20 and the foundation 600 can be improved, and the stability of the whole tower 100 can be ensured.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A tower, comprising:

a support body (10);

bury section (20), bury section (20) and be located the one end of support body (10) and with support body (10) and be connected, bury section (20) including base member (21) and with auxiliary connection subassembly (22) that base member (21) are connected, base member (21) have predetermined length and in self length direction (X) one end with support body (10) are connected, auxiliary connection subassembly (22) at least part protrusion in outer wall surface (211) of base member (21), bury section (20) and be used for burying in ground (600).

2. A tower according to claim 1, wherein said auxiliary connection assembly (22) has a plurality of protrusions protruding from said outer wall surface (211), said plurality of protrusions being evenly arranged on said foundation body (21).

3. A tower as claimed in claim 2, wherein said auxiliary connection assembly (22) comprises a plurality of bars (221) connected to said foundation (21), respectively, at least one end of each of said bars (221) protruding from said outer wall surface (211) and forming said protrusion.

4. A tower according to claim 3, characterised in that the rods (221) are anchor rods or steel bars, the rods (221) extending a predetermined distance inside the base body (21) and being welded or detachably connected with the base body (21) by means of locking elements.

5. A tower according to claim 3, wherein said rods (221) are rivets, said rods (221) being welded or riveted to said base body (21).

6. A tower according to claim 2, characterised in that the direction of extension of the bulge intersects the length direction (X) and the angle of intersection is more than 80 ° and less than 100 °;

and/or at least part of the protrusions are arranged at intervals in the length direction (X), and the length of the protrusions protruding out of the outer wall surface (211) is gradually reduced from the support body (10) to the direction far away from the support body (10).

7. A tower according to claim 2, wherein said auxiliary connection assembly (22) comprises a plurality of protrusions (222) of one-piece construction with said foundation (21), said protrusions (222) protruding from said outer wall surface (211) and forming said bulge.

8. The tower according to any of the claims 1 to 7, characterised in that said buried segment (20) is one in number, one said buried segment (20) interfacing with said support body (10);

or the number of the embedded sections (20) is more than two, and the end parts of the more than two embedded sections (20) converge towards the support body (10) and are connected with the support body (10).

9. The tower according to any one of claims 1 to 7, characterised in that the support body (10) is a cylindrical structure or a lattice structure;

and/or the substrate (21) is a cylindrical structure or a lattice structure.

10. A wind turbine generator set, comprising:

the tower of any one of claims 1 to 9;

and the reinforcing connecting body (200) is used for coating the embedded section (20) and the part of the auxiliary connecting assembly (22) protruding out of the outer wall surface (211) extends into the reinforcing connecting body (200), and the embedded section (20) is connected with the foundation (600) through the reinforcing connecting body (200).

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