CN220521429U - Reinforced structure, fan foundation and wind generating set - Google Patents

Abstract

The application relates to a reinforced structure, fan foundation and wind generating set, reinforced structure are used for the fan foundation and include the reinforcement ring body. The reinforcement ring body is provided with an annular cavity and comprises more than two reinforcement units which are sequentially butted, the reinforcement units are of arc structures, two adjacent reinforcement units are detachably connected with each other, each reinforcement unit comprises a side wall part and a reinforcement, the side wall parts are arranged in a crossing mode, the side wall parts extend along the axial direction of the reinforcement ring body, the reinforcement extends along the radial direction of the reinforcement ring body, one end of the reinforcement along the radial direction is connected with the side wall parts, the other end of the reinforcement extends to one side far away from the annular cavity, and the side wall parts are provided with a plurality of connecting parts. The embodiment of the application can be on the basis of providing the reinforcing effect, and is beneficial to improving the assembly efficiency.

Description

Reinforced structure, fan foundation and wind generating set

Technical Field

The utility model relates to the technical field of wind power, in particular to a reinforcing structure, a fan foundation and a wind generating set.

Background

With the development of the high-power wind generating set, part of the wind generating set enters the late stage of the service life period, so that the problems of enlarged gaps between foundation rings and concrete, cracking of the foundation and the like of the fan foundation of part of the wind generating set are caused, and the safe and stable operation of the wind generating set is seriously threatened. Therefore, the transformation of the existing fan foundation is an important direction of wind power development in China.

In the existing technology for renovating and reforming a fan foundation, a new foundation ring is usually additionally arranged on the periphery of an existing foundation ring to strengthen the existing foundation ring, but the newly-arranged foundation ring is usually prefabricated as a whole ring, and is complex in mode of being assembled on the fan foundation to be reformed, and is not beneficial to assembly.

Disclosure of Invention

The embodiment of the application provides a reinforced structure, fan foundation and wind generating set, can do benefit to on providing the basis of reinforcement effect, does benefit to improvement assembly efficiency.

In one aspect, according to an embodiment of the present application, a reinforcing structure is provided for a fan foundation, the reinforcing structure including: the reinforcing ring body is provided with an annular cavity, the reinforcing ring body comprises more than two reinforcing units which are sequentially butted along the circumferential direction of the reinforcing ring body, each reinforcing unit is of an arc-shaped structure, every two adjacent reinforcing units are detachably connected with each other, each reinforcing unit comprises a side wall part and a reinforcing part which are arranged in an intersecting mode, the side wall parts extend along the axial direction of the reinforcing ring body, the reinforcing parts extend along the radial direction of the reinforcing ring body, one end of each reinforcing part along the radial direction is connected with the side wall part, the other end of each reinforcing part extends to one side far away from the annular cavity, and the side wall parts are provided with a plurality of connecting parts.

According to one aspect of an embodiment of the present application, the connecting portion includes a connecting hole penetrating the sidewall portion in a radial direction.

According to an aspect of the embodiments of the present application, each reinforcement unit includes a switching portion, the switching portion is disposed at two sides of the sidewall portion along the circumferential direction, and two adjacent reinforcement units are detachably connected through the switching portion.

According to one aspect of the embodiments of the present application, the adapter portion includes a first adapter member protruding radially to a side away from the annular cavity, and two adjacent first adapter members are detachably connected by a first fastener.

According to one aspect of embodiments of the present application, the adapter includes a second adapter, the stiffener is clamped in the second adapter along an axial direction, and the stiffener is detachably connected to the second adapter through a second fastener.

According to an aspect of an embodiment of the present application, the reinforcement includes a first reinforcement member provided on one side of the side wall portion in the axial direction; the reinforcement structure further includes a reinforcement extending in the axial direction, and one end of the reinforcement in the axial direction is connected to the first reinforcement member.

According to an aspect of embodiments of the present application, the reinforcement further includes two or more second reinforcement members spaced apart in the axial direction and disposed in spaced apart relation to the first reinforcement member.

According to an aspect of the embodiments of the present application, the length dimensions of the two or more second reinforcing members in the radial direction in the axial direction tend to increase from the side on which the second reinforcing members are located toward the side on which the first reinforcing members are located; and/or, in the axial direction, the length dimension of the first reinforcing member in the radial direction is greater than the length dimension of each second reinforcing member in the radial direction.

In another aspect, according to an embodiment of the present application, there is provided a fan foundation including: a foundation to be reinforced; the reinforced structure is connected with the foundation to be reinforced through the connecting part; the filling body is coated on at least part of the reinforcing structure and connected with the foundation to be reinforced, and the reinforcing member stretches into the filling body.

In yet another aspect, according to an embodiment of the present application, there is provided a wind turbine generator set, including: such as the fan foundation described above.

The embodiment of the application provides a reinforced structure, fan foundation and wind generating set, and reinforced structure can be used to fan foundation and including having the reinforcement ring body of annular cavity. Through separately providing and setting up the reinforcement ring body to include for the reinforcement unit of more than two following self circumference dock in proper order, adjacent two reinforcement units can dismantle each other and connect, and the lateral wall portion of reinforcement unit has a plurality of connecting portions for every reinforcement unit can be connected through connecting portion and the structure that treats the reinforcement, when can treating reinforcement structure and provide the reinforcement effect, does benefit to improvement assembly efficiency. And the reinforcing ring bodies are arranged separately, so that the processing, the manufacturing and the transportation are facilitated, the manufacturing cost and the transportation cost are reduced, the site construction can be facilitated, and the use flexibility is improved. In addition, every reinforcement unit is including crossing lateral wall portion and the reinforcement that sets up, and lateral wall portion extends along axial and the reinforcement radially extends, through connecting reinforcement along radial one end in lateral wall portion and the other end along radial extension setting, can improve the resistance to plucking ability of waiting to consolidate the structure that is equipped with reinforced structure to do benefit to the reinforcement intensity that improves reinforced structure.

Drawings

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

FIG. 1 is a schematic view of a wind turbine generator system according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a reinforcing structure according to one embodiment of the present application;

FIG. 3 is a schematic view of a partial structure of a wind turbine generator system according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a reinforcing structure according to another embodiment of the present application;

FIG. 5 is a schematic view of an exploded view of the reinforcing structure of FIG. 2;

FIG. 6 is a schematic view of a portion of a reinforcing structure according to yet another embodiment of the present application;

fig. 7 is a schematic view of a partial structure of a wind turbine generator system according to another embodiment of the present application.

Wherein:

100-reinforcing structure;

10-reinforcing the ring body; 10 a-an annular cavity;

11-a reinforcement unit; 111-sidewall portions; 1111-a connection; 112-reinforcement; 1121-a first reinforcement member; 1122-a second reinforcing member;

113-an adapter; 1131-a first adapter; 1132-a second adapter;

12-a stiffener; 13-a first fastener; 14-a second fastener;

1-a fan foundation; 200-a foundation to be reinforced; 300-filling body; 2-tower; 3-nacelle; a 4-generator; 5-impeller; 501-a hub; 502-leaf;

x-circumferential direction; y-axis; z-radial.

Detailed Description

Features and exemplary embodiments of various aspects of the present application are 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 application. It will be apparent, however, to one skilled in the art that the present application 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 present application by showing an example of the present application. In the drawings and the following description, at least some well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present application; 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 directional terms appearing in the following description are all directions shown in the drawings, and are not intended to limit the reinforcement structure, the fan foundation, and the wind turbine generator set of the present application. In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the terms in the present application can be understood as appropriate by one of ordinary skill in the art.

For a better understanding of the present application, the reinforcement structure, the wind turbine foundation and the wind power plant according to the embodiments of the application are described in detail below in connection with fig. 1 to 7.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a wind turbine generator system according to an embodiment of the present application, and the embodiment of the present application provides a wind turbine generator system, which includes a wind turbine foundation 1, a tower 2, a nacelle 3, a generator 4, and an impeller 5. The tower 2 is connected to the wind turbine foundation 1, the nacelle 3 is arranged on top of the tower 2, the generator 4 is arranged in the nacelle, in some examples the generator 4 may be located outside the nacelle 3, of course, in some examples the generator 4 may also be located inside the nacelle 3. The impeller 5 includes blades 502 and a hub 501, and a plurality of blades 502 are connected to the hub 501, and when wind acts on the blades 502, the wind drives the whole impeller 5 and the rotating shaft of the generator 4 to rotate, so as to convert wind energy into electric energy.

The fan foundation 1 comprises a foundation 200 to be reinforced, a reinforcing structure 100 and a filling body 300, the reinforcing structure 100 is connected with the foundation 200 to be reinforced, the filling body 300 is coated on at least part of the reinforcing structure 100 and connected with the foundation 200 to be reinforced, so that the foundation 200 to be reinforced is reinforced, the overall bearing capacity and the service life of the fan foundation 1 are improved, and the running efficiency and the service life of the wind generating set are improved.

The structural design life of the wind generating set is generally 20 years, the wind generating set which is put into operation in the early 2000 years in China enters the late stage of the life cycle, the existing wind generating set structure is renovated and modified by utilizing the safe and economic modification technology, so that the later operation and maintenance cost is reduced, the power generation efficiency is improved, the excellent wind resources occupied by the existing wind generating set are fully utilized, and the wind generating set is an important direction of wind power development in China.

The problems that gaps between foundation rings and concrete are enlarged, foundations are cracked and the like occur on a part of fan foundations in the wind turbine generator set with the late service life, and the safe and stable operation of the wind turbine generator set is seriously threatened. In the existing renovating and reforming technology for the fan foundation, a mode of increasing the section of a foundation column and the height of a bottom plate is often adopted, but the mode is limited to be large and uneconomical, the mode of externally arranging a guy cable or a supporting structure is not only attractive, but also has the risk of being damaged by the outside during the later operation, and some modes of reinforcing and reforming are adopted by newly added foundation rings, but the existing newly added foundation rings are usually prefabricated as whole rings, and the mode of assembling the newly added foundation rings to the fan foundation to be reformed is complex, so that the assembly is not facilitated.

Based on the above defects, the embodiment of the application provides the reinforcing structure 100, which has a simple structure and is beneficial to assembly, the reinforcing structure 100 can be independently produced and sold as an independent component, meanwhile, the reinforcing structure 100 can be also used for the fan foundation 1 and used as a component part of the fan foundation 1, and the reinforcing structure can be used for reinforcing the foundation 200 to be reinforced in the fan foundation 1 and is beneficial to improving the assembly efficiency of the fan foundation 1 and reducing the construction period.

Referring to fig. 1 to 3, the embodiment of the present application provides a reinforcing structure 100 for a fan foundation 1, where the reinforcing structure 100 includes a reinforcing ring body 10, the reinforcing ring body 10 has an annular cavity 10a, the reinforcing ring body 10 includes two or more reinforcing units 11 sequentially butted along a circumferential direction X thereof, the reinforcing units 11 are arc structures, two adjacent reinforcing units 11 are detachably connected with each other, each reinforcing unit 11 includes a side wall portion 111 and a reinforcing member 112 which are disposed in a crossing manner, the side wall portion 111 extends along an axial direction Y of the reinforcing ring body 10, the reinforcing member 112 extends along a radial direction Z of the reinforcing ring body 10, one end of the reinforcing member 112 along the radial direction Z is connected to the side wall portion 111, and the other end extends to a side far away from the annular cavity 10a, and the side wall portion 111 has a plurality of connecting portions 1111.

The reinforcing structure 100 provided by the embodiment of the application comprises the reinforcing ring body 10 with the annular cavity 10a, the reinforcing ring body 10 is separately provided and arranged to comprise more than two reinforcing units 11 which are sequentially butted along the circumferential direction X of the reinforcing ring body, the adjacent two reinforcing units 11 are detachably connected with each other, the side wall parts 111 of the reinforcing units 11 are provided with a plurality of connecting parts 1111, the reinforcing ring body 10 can be assembled into the structure to be reinforced through the connecting parts 1111, and the reinforcing effect can be provided for the structure to be reinforced while the assembly efficiency is improved. And, through separately providing reinforcement ring body 10, still do benefit to processing preparation, transportation to reduce preparation and transportation cost, can also do benefit to the site operation, in order to improve the flexibility of use.

In addition, each reinforcement unit 11 includes a side wall portion 111 and a reinforcement member 112 that are disposed to intersect, the side wall portion 111 is disposed to extend along an axial direction Y, the reinforcement member 112 is disposed to extend along a radial direction Z, one end of the reinforcement member 112 in the radial direction Z is connected to the side wall portion 111, and the other end of the reinforcement member 112 is disposed to extend along the radial direction Z, which is beneficial to improving the resistance to pulling of the structure to be reinforced equipped with the reinforcement structure 100, thereby facilitating improving the reinforcement strength of the reinforcement structure 100.

The reinforcing structure 100 provided by the embodiment of the application can be used for the fan foundation 1, and can improve the assembly efficiency and reduce the cost while improving the bearing capacity and the service life of the fan foundation 1.

Specifically, as shown in fig. 3, the fan foundation 1 may include a foundation to be reinforced 200, and the foundation to be reinforced 200 generally includes a foundation body 210 and a foundation ring 220.

The foundation body 210 may be a structure for transferring various loads of the tower 2 to a foundation, and is configured to include a main body 211 and a peripheral portion 212 surrounding the main body 211, and in the height direction a of the foundation body 210, the height of the main body 211 is higher than the height of the peripheral portion 212, so that the peripheral portion 212 is beneficial to supporting and buffering the main body 211, and improving structural stability.

Alternatively, the base body 210 may be provided as a concrete structure.

The foundation ring 220 is usually a steel structure embedded in the foundation body 210, and is a transition member connecting the foundation body 210 and the tower 2. Optionally, the foundation ring 220 includes a foundation ring body sleeved on the outer periphery of the main body 211 and a foundation ring flange disposed at one end of the main body 11 far away from the peripheral portion 212 along the height direction a, at least part of the foundation ring body extends into the foundation body 210, and the main body 211 and the tower 2 are connected through the foundation ring flange.

Optionally, fasteners such as bolts, studs, etc. may be provided on the foundation ring flange to connect the body portion 211 with the tower 2.

When the reinforcing structure 100 provided by the embodiment of the application is used for the fan foundation 1, the reinforcing ring body 10 can be connected with the foundation ring 220 of the foundation 200 to be reinforced through the plurality of connecting portions 1111 of the side wall portion 111 thereof, so that the foundation ring 220 is arranged in the annular cavity 10a, namely, the reinforcing ring body 10 is sleeved on the foundation ring 220, so that the bearing capacity of the foundation ring 220 and the reinforcing ring body 10 after being connected is enhanced, and the reinforcing structure 100 can provide a reinforcing effect on the foundation 200 to be reinforced.

Because the reinforcement ring body 10 can be separately provided and has the connection portion 1111, the reinforcement ring body can be conveniently assembled and connected with the foundation ring 220 of the foundation 200 to be reinforced while reinforcing the foundation 200 to be reinforced, and the improvement of the assembly efficiency is facilitated.

Alternatively, the connection part 1111 may further include connection fasteners provided on the side wall part 111, specifically, a plurality of connection fasteners provided on the side wall part 111, by which the reinforcement unit 11 is connected to the base ring 220 as a whole when the reinforcement unit 11 is provided on the outer circumference of the base ring 220.

The reinforcing structure 100 includes a reinforcing ring body 10, where the reinforcing ring body 10 has an annular cavity 10a, and optionally, the reinforcing ring body 10 may be coaxially disposed with the foundation ring 220, so that the reinforcing ring body 10 can be sleeved on the foundation ring 220 and make the reinforcing ring body and the foundation ring 220 more fit to each other, which is beneficial to improving the connection strength between the reinforcing structure 100 and the foundation ring 220, thereby improving the reliability of the reinforcing structure 100.

Alternatively, the reinforcement ring 10 may comprise two reinforcement units 11, and of course, a plurality of reinforcement units 11, and the specific number of reinforcement units 11 may be designed according to the scale of the fan foundation 1 and the construction requirements.

Alternatively, the reinforcement unit 11 may be provided as an integrally formed structure, which is advantageous in improving the processing efficiency. Of course, the reinforcement unit 11 may also be provided separately, i.e. the side wall 111 and the reinforcement 112 are prefabricated and then assembled and connected to form the reinforcement unit 11, which is beneficial to reducing the processing difficulty and improving the flexibility of use.

Alternatively, the reinforcement member 112 may be provided at one end of the reinforcement ring in the axial direction Y thereof, but it may be provided at other portions of the reinforcement ring in the axial direction Y.

For convenience in describing the embodiments of the present application, the connection of the reinforcing structure 100 to the foundation ring 220 of the foundation 200 to be reinforced will be illustrated below, and it is understood that the reinforcing structure 100 provided in the embodiments of the present application is not limited thereto, and may be used in other parts of the fan foundation 1 to perform a reinforcing function thereon.

As an alternative embodiment, the connection portion 1111 includes a connection hole penetrating the side wall portion 111 in the radial direction Z.

By providing the connection portion 1111 in the form of a connection hole, the reinforcement ring body 10 can be assembled and connected with the base ring 220 through the connection hole, which is advantageous for improving the assembly efficiency.

Specifically, when the reinforcement unit 11 is disposed on the outer periphery of the base ring 220, a plurality of third fasteners may be connected in a manner of being matched with the connection holes, so that the third fasteners can extend into the connection holes to connect the reinforcement ring body 10 and the base ring 220.

Alternatively, the third fastener may comprise a bolt, a screw, a bolt, or the like.

In addition, by the arrangement, the problem of local stress concentration after the connection of the reinforcement ring body 10 and the foundation ring 220 can be avoided, so that the load transmission process is more uniform, and the reliability of the reinforcement structure 100 is improved.

Optionally, the plurality of connecting holes may be disposed on the side wall 111 at intervals along the axial direction Y and the radial direction Z, and the specific number and positions thereof may be calculated and designed according to the requirement or the scale, so as to facilitate improving the connection strength between the reinforcement ring body 10 and the foundation ring 220, thereby facilitating improving the reinforcement effect of the reinforcement structure 100.

Referring to fig. 4, as an alternative embodiment, each reinforcement unit 11 includes a switching portion 113, the switching portions 113 are disposed on two sides of the sidewall portion 111 along the circumferential direction X, and two adjacent reinforcement units 11 are detachably connected through the switching portions 113.

By this arrangement, the assembly connection of the adjacent two reinforcing units 11 is facilitated, thereby facilitating the improvement of the assembly efficiency of the reinforcing structure 100.

Alternatively, the adaptor portion 113 and the sidewall portion 111 may be formed integrally, which is beneficial to improving the processing efficiency. Of course, the adaptor portion 113 and the sidewall portion 111 may be provided separately, that is, the adaptor portion 113 and the sidewall portion 111 are fabricated in advance and assembled and connected to form the reinforcement unit 11, which is beneficial to reducing the processing difficulty and improving the flexibility of use.

Alternatively, the adaptor portion 113 may be disposed on the sidewall portion 111 and protrudes in the axial direction Y, and of course, the adaptor portion 113 may also be disposed on the sidewall portion 111 and protrudes in the radial direction Z.

As an alternative embodiment, the adaptor 113 includes first adaptors 1131, where the first adaptors 1131 are disposed to protrude in the radial direction Z away from the side of the annular cavity 10a, and two adjacent first adaptors 1131 are detachably connected by the first fastener 13.

Through this mode setting, be convenient for connect the assembly between two adjacent reinforcement units 11, easy operation does benefit to the reduction assembly degree of difficulty. And the influence on the structure to be reinforced in the connection process is reduced, and the safety and the reliability are improved.

Alternatively, the number of the first fasteners 13 may be set to one, two, or, of course, a plurality.

Alternatively, the first fastener 13 may include a bolt, a screw, or the like.

Optionally, the first connector 1131 has a through hole penetrating in the circumferential direction X and cooperating with the first fasteners 13, so that the first fasteners 13 can pass through the through holes of two adjacent first connectors and connect the two.

Referring to fig. 2 to 6, as an alternative embodiment, the adaptor includes a second adaptor 1132, the stiffener 112 is clamped in the second adaptor 1132 along the axial direction Y, and the stiffener 112 is detachably connected to the second adaptor 1132 through a second fastener 14.

Through this mode setting, be convenient for the assembly connection between two adjacent reinforcement units 11, easy operation does benefit to the reduction assembly degree of difficulty.

Alternatively, the second fastener 14 may comprise a bolt, screw, bolt, or the like fastener. Alternatively, the second fastening member 14 may be provided in the same structure as the first fastening member 13, but may be provided differently.

Alternatively, the second adaptor 1132 may be provided in a plurality and spaced apart along the axial direction Y, the first reinforcing member 1121 may be clamped in the second adaptor 1132, and the second reinforcing member 1122 may be clamped in the second adaptor 1132. Of course, the second adapter 1132 may also be used only to grip the first reinforcing member 1121.

Optionally, the second adapter 1132 may include a first adapter plate and a second adapter plate disposed at intervals along the axial direction Y, where the first adapter plate and the second adapter plate are disposed on two sides of the stiffener 112 in the axial direction Y, and are connected to the first adapter plate, the stiffener 112, and the second adapter plate through the second fastener 14.

Optionally, the second adaptor 1132 may include a top plate, a bottom plate and a side plate, where the top plate and the side plate are disposed opposite to each other along the axial direction Y, and the side plate is adapted to be between the top plate and the bottom plate, the top plate, the bottom plate and the side plate enclose a cavity, and the reinforcement 112 may be disposed in the cavity and connected to the top plate, the reinforcement 112 and the bottom plate by the second fastener 14.

As an alternative embodiment, the adapter 113 includes a first adapter 1131 and a second adapter 1132. By this arrangement, the connection strength of the adjacent two reinforcing units 11 can be better improved, thereby improving the reliability of the reinforcing structure 100.

Alternatively, the first adapter 1131 may be clamped inside the second adapter 1132, and of course, the first adapter 1131 may also abut against one end of the second adapter 1132 along the axial direction Y.

Referring to fig. 4 and 7, as an alternative embodiment, the reinforcement member 112 includes a first reinforcement member 1121, and the first reinforcement member 1121 is disposed on one side of the side wall portion 111 in the axial direction Y. The reinforcing structure 100 further includes a reinforcing member 12 extending in the axial direction Y, and one end of the reinforcing member 12 in the axial direction Y is connected to the first reinforcing member 1121.

By providing the first reinforcing member 1121 on one side of the side wall portion 111 in the axial direction Y, the reinforcing action of the reinforcing structure 100 can be improved more advantageously.

Alternatively, one end of the reinforcing member 12 in the axial direction Y is connected to the first reinforcing member 1121 and the other end is connected to the base body 210 to enhance the anchoring ability after the reinforcing structure 100 is connected to the base body 210, thereby better improving the reliability of the reinforcing structure 100.

Alternatively, one end of the reinforcing member 12 in the axial direction Y may extend into the interior of the base body 210 to be connected to the base body 210, thereby better enhancing the anchoring ability of the reinforcing structure 100 after being connected to the base ring 220 of the foundation 200 to be reinforced.

Alternatively, the reinforcement 12 may comprise a long screw, anchor bolt, anchor rod, or the like.

As an alternative embodiment, the reinforcement 112 further includes two or more second reinforcement members 1122, and the two or more second reinforcement members 1122 are spaced apart from each other and the first reinforcement member 1121 in the axial direction Y.

By this arrangement, the pulling resistance and the structural stability of the connection between the reinforcing structure 100 and the foundation ring 220 of the foundation 200 to be reinforced can be further improved, so that the reinforcing effect of the reinforcing structure 100 can be better improved.

Alternatively, the number of the second reinforcement parts 1122 may be two, but may be plural.

Alternatively, two or more second reinforcing members 1122 may be arranged at equal intervals in the axial direction Y, but may be arranged at regular intervals.

Illustratively, in the axial direction Y, the spacing between the two or more second reinforcing members 1122 decreases from the side away from the first reinforcing member 1121 to the side closer to the first reinforcing member 1121, and this arrangement facilitates the reinforcement strength of the reinforcing structure 100.

Alternatively, the spacing between the second reinforcing member 1122 and the first reinforcing member 1121 may be equal to the spacing between any two second reinforcing members 1122 in the axial direction Y, but may be set to be unequal, of course.

Illustratively, the spacing between the second reinforcing members 1122 and the first reinforcing members 1121 in the axial direction Y is smaller than the spacing between any two second reinforcing members 1122, which is advantageous in improving the reinforcing strength of the reinforcing structure 100.

Alternatively, the length dimensions of the two or more second reinforcing members 1122 in the radial direction Z may be the same, but may be set to be different.

As an alternative embodiment, the length dimension of the two or more second reinforcing members 1122 in the radial direction Z in the axial direction Y tends to increase from the side of the second reinforcing member 1122 toward the side of the first reinforcing member 1121.

By this way, the radial Z length dimension of the second reinforcing member 1122 close to the first reinforcing member 1121 is greater than the radial Z length dimension of the other second reinforcing members 1122, which is beneficial to improving the resistance to pulling and structural stability of the reinforcing structure 100 after being connected to the foundation ring 220, thereby improving the reinforcing strength of the reinforcing structure 100.

Alternatively, the length of the first reinforcing member 1121 in the radial direction Z may be equal to the length of any one of the second reinforcing members 1122 in the radial direction Z, and of course, the length of the first reinforcing member 1121 in the radial direction Z may be unequal to the length of all of the second reinforcing members 1122 in the radial direction Z.

As an alternative embodiment, the length dimension of first reinforcing member 1121 in the radial direction Z is greater than the length dimension of each second reinforcing member 1122 in the radial direction Z along the axial direction Y.

By this arrangement, the pulling resistance and the structural stability of the reinforcing structure 100 after being connected to the foundation ring 220 are improved, thereby improving the reinforcing strength of the reinforcing structure 100.

Referring to fig. 1, 3 and 7, the embodiment of the present application further provides a fan foundation 1, which includes a foundation 200 to be reinforced, a reinforcing structure 100 as provided in the above embodiment, and a filler 300. The reinforcement structure 100 is connected to the foundation 200 to be reinforced through the connection portion 1111. The filler body 300 is wrapped around at least a portion of the reinforcing structure 100 and is connected to the foundation 200 to be reinforced, and the reinforcing member 112 extends into the filler body 300.

The fan foundation 1 that this application embodiment provided is in order to be connected with treating the reinforced foundation 200 through setting up the reinforced structure 100 that the embodiment provided as above, because reinforced structure 100 has the reinforcement effect and does benefit to the advantage that improves assembly efficiency, consequently, does benefit to the bearing capacity and the life that improve fan foundation 1 to do benefit to the assembly when being under construction, and do benefit to and reduce construction cycle.

In addition, by providing the filler 300 and wrapping at least part of the reinforcing structure 100 and connecting the filler to the foundation 200 to be reinforced, the components can be integrally connected, which is beneficial to further improving the overall structural stability and reliability of the fan foundation 1.

In addition, the reinforcing member 112 stretches into the filling body 300 to enable the connection between the reinforcing structure 100 and the foundation 200 to be reinforced to be firmer, the pulling resistance after connection is enhanced, the structural stability and reliability of the fan foundation 1 are improved better, and the service life of the fan foundation is further prolonged.

Optionally, the filler 300 comprises a concrete structure. Through this mode setting, do benefit to and improve joint strength, and concrete is easy to obtain, with low costs, intensity is high, makes fan foundation 1 whole more firm.

Alternatively, the filler 300 may be one of ordinary concrete and lightweight aggregate concrete. Of course, the filler 300 may also be made of micro-expansive concrete, or one longer from self-compacting micro-expansive concrete.

The embodiment of the application also provides a wind generating set, which comprises the fan foundation 1 provided by each embodiment.

Because the fan foundation 1 that this application embodiment provided can do benefit to when improving whole bearing capacity and life and reduce construction cycle, consequently, can do benefit to the life and the operating efficiency who improve the wind generating set that this application embodiment provided, simultaneously, do benefit to and reduce construction cycle.

While the present application 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 present application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A reinforcing structure (100) for a fan foundation (1), characterized in that the reinforcing structure (100) comprises:

the reinforcing ring body (10) is provided with an annular cavity (10 a), the reinforcing ring body (10) comprises more than two reinforcing units (11) which are sequentially abutted along the circumferential direction (X) of the reinforcing ring body, each reinforcing unit (11) is of an arc-shaped structure, every two adjacent reinforcing units (11) are detachably connected with each other, each reinforcing unit (11) comprises a side wall part (111) and a reinforcing part (112) which are arranged in an intersecting mode, each side wall part (111) extends along the axial direction (Y) of the reinforcing ring body (10), each reinforcing part (112) extends along the radial direction (Z) of the reinforcing ring body (10), one end of each reinforcing part (112) is connected with the side wall part (111) and the other end of each reinforcing part extends away from one side of the annular cavity (10 a), and each side wall part (111) is provided with a plurality of connecting parts (1111).

2. The reinforcing structure (100) according to claim 1, wherein the connection portion (1111) comprises a connection hole penetrating through the side wall portion (111) in the radial direction (Z).

3. The reinforcing structure (100) according to claim 1, wherein each of the reinforcing units (11) includes a switching portion (113), the switching portion (113) being provided on both sides of the side wall portion (111) in the circumferential direction (X), and adjacent two of the reinforcing units (11) being detachably connected by the switching portion (113).

4. A reinforcing structure (100) according to claim 3, wherein said transition (113) comprises a first transition (1131), said first transition (1131) being arranged in a protruding manner along said radial direction (Z) towards a side remote from said annular cavity (10 a), adjacent two of said first transitions (1131) being detachably connected by means of a first fastener (13).

5. A reinforcing structure (100) according to claim 3, wherein said transition (113) comprises a second transition (1132), said reinforcement member (112) being clamped in said second transition (1132) along said axial direction (Y), and said reinforcement member (112) being removably connected to said second transition (1132) by means of a second fastener (14).

6. The reinforcing structure (100) according to claim 1, wherein the reinforcement (112) includes a first reinforcing member (1121), the first reinforcing member (1121) being provided to one side of the side wall portion (111) in the axial direction (Y);

the reinforcement structure (100) further comprises a reinforcement (12) extending along the axial direction (Y), one end of the reinforcement (12) in the axial direction (Y) being connected to the first reinforcement member (1121).

7. The reinforcing structure (100) of claim 6, wherein the reinforcement (112) further comprises two or more second reinforcing members (1122), the two or more second reinforcing members (1122) being spaced apart in the axial direction (Y) and being spaced apart from the first reinforcing member (1121).

8. The reinforcing structure (100) according to claim 7, wherein, along said axial direction (Y), the length dimensions of two or more of said second reinforcing members (1122) in said radial direction (Z) increase from the side on which said second reinforcing members (1122) are located toward the side on which said first reinforcing members (1121) are located;

and/or, in the axial direction (Y), a length dimension of the first reinforcement member (1121) in the radial direction (Z) is greater than a length dimension of each of the second reinforcement members (1122) in the radial direction (Z).

9. A fan foundation (1), characterized by comprising:

-a foundation (200) to be reinforced;

the reinforcement structure (100) as claimed in any one of claims 1 to 8, said reinforcement structure (100) being arranged in connection with said foundation (200) to be reinforced by means of said connection (1111);

and the filling body (300) is coated on at least part of the reinforcing structure (100) and connected with the foundation (200) to be reinforced, and the reinforcing member (112) stretches into the filling body (300).

10. A wind turbine generator set, comprising: fan foundation (1) according to claim 9.