CN212250330U

CN212250330U - Tower section of thick bamboo prefab, concatenation formula tower section of thick bamboo and wind generating set

Info

Publication number: CN212250330U
Application number: CN202020235696.7U
Authority: CN
Inventors: 曹广启; 康高英; 王康世
Original assignee: Shanghai Electric Wind Power Group Co Ltd
Current assignee: Shanghai Electric Wind Power Group Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-29
Anticipated expiration: 2030-02-28

Abstract

The application provides a tower section of thick bamboo prefab, concatenation formula tower section of thick bamboo and wind generating set. The tower cylinder prefabricated part comprises a main body and a splicing boss, wherein the main body comprises a splicing surface, and the splicing boss is convexly arranged on the splicing surface. Be equipped with the concatenation boss on the concatenation face, adjacent tower section of thick bamboo prefab can reduce the area of composition face through the concatenation boss joint, and the concatenation effect is better.

Description

Tower section of thick bamboo prefab, concatenation formula tower section of thick bamboo and wind generating set

Technical Field

The application relates to the technical field of wind power generation, in particular to a tower section of thick bamboo prefab, a concatenation formula tower section of thick bamboo and wind generating set.

Background

Along with the development of wind power generation to single machine large capacity, the length of the fan blade is longer and longer, the height of the tower barrel matched with the fan blade is also increased continuously, the size is larger and larger, and the transportation of the tower barrel is also more difficult.

At present, an assembled tower barrel exists, and the splicing difficulty of the tower barrel is high.

SUMMERY OF THE UTILITY MODEL

The application provides a tower section of thick bamboo prefab, concatenation formula tower section of thick bamboo and wind generating set can reduce the concatenation degree of difficulty.

The utility model provides a tower section of thick bamboo prefab, tower section of thick bamboo prefab is arranged in a concatenation formula tower section of thick bamboo, tower section of thick bamboo prefab includes main part and concatenation boss, the main part includes the concatenation face, the protruding concatenation face that locates of concatenation boss.

In one embodiment, the body of the tower preform is a semi-circular sheet structure; and/or

The splicing surface comprises an upper splicing surface and a lower splicing surface, and the splicing boss is arranged on at least one of the upper splicing surface and the lower splicing surface; and/or

The splicing surface comprises a side splicing surface, and the splicing boss is arranged on the side splicing surface.

In one embodiment, the splicing surface comprises an upper splicing surface, a lower splicing surface and a side splicing surface, the tower tube prefabricated member comprises a positioning groove, and the positioning groove is arranged on the side splicing surface and penetrates through the upper splicing surface and/or the lower splicing surface.

In one embodiment, the side splicing surfaces include a first side splicing surface and a second side splicing surface, the positioning groove includes a first positioning groove disposed on the first side splicing surface and a second positioning groove disposed on the second side splicing surface, the first positioning groove and the second positioning groove penetrate through the upper splicing surface or the lower splicing surface along the same direction, and the first positioning groove and the second positioning groove are asymmetrically arranged relative to a symmetry axis of an inner side edge of the first side splicing surface and an inner side edge of the second side splicing surface; and/or

The splicing boss is arranged on the side splicing surface, and the positioning groove is formed in the splicing boss.

In one embodiment, the main body is further provided with an assembling hole penetrating through the assembling surface and an assembling operation hole communicated with the assembling hole.

In one embodiment, the main body further comprises a pre-buried hole and an assembling connecting piece embedded in the pre-buried hole, and the pre-buried hole penetrates through the splicing surface.

In one embodiment, the tower tube prefabricated member further comprises an isolation cover embedded in the main body, and the isolation cover is arranged between the main body and the splicing connecting piece in an isolation mode.

A spliced tower drum comprising a plurality of layers of longitudinally spliced tower sections, the tower sections comprising the tower preform of any one of the preceding claims.

In one embodiment, the tower section comprises at least two tower prefabricated members, and the at least two tower prefabricated members are spliced on the same layer to form the tower section of a cylindrical structure; and/or

The spliced tower cylinder comprises a sealing element, and the sealing element seals a gap between two adjacent tower cylinder prefabricated parts.

In one embodiment, one of two adjacent tower drum prefabricated members spliced with each other is provided with a splicing hole and a splicing operation hole which are communicated, the other one is provided with a splicing connecting piece, the spliced tower drum further comprises a connecting matching piece, the connecting matching piece is assembled with the splicing connecting piece through the splicing operation hole, and at least one of the connecting matching piece and the splicing connecting piece penetrates into the splicing hole.

In one embodiment, the tower tube prefabricated member comprises a positioning groove, the spliced tower tube comprises a positioning pin inserted into the positioning groove, and the positioning pin is in limit fit with the positioning groove of the tower tube prefabricated member spliced with each other on the same layer and in limit fit with the positioning groove of the tower tube prefabricated member spliced with each other on different layers.

In one embodiment, the spliced tower drum comprises a plurality of positioning pins arranged on the same tower drum section, and the distances from at least two positioning pins arranged on the same tower drum section to the center of the tower drum section are unequal.

A wind power plant comprising:

a foundation;

the spliced tower drum is arranged on the foundation;

the engine room is arranged at the top end of the spliced tower barrel; and

and the wind wheel is arranged on the engine room.

The technical scheme provided by the application can achieve the following beneficial effects:

the application provides a tower section of thick bamboo prefab, concatenation formula tower section of thick bamboo and wind generating set, wherein, is equipped with the concatenation boss on the concatenation face, and adjacent tower section of thick bamboo prefab can compare through the concatenation boss joint, compares through the concatenation of whole concatenation face, has reduced the area of composition face, and the concatenation effect is better.

Drawings

FIG. 1 is a schematic illustration of a partial structure of a tower as shown in an exemplary embodiment of the present application;

FIG. 2 is a schematic view of a tower section shown in an exemplary embodiment of the present application;

FIG. 3 is a schematic view of a tower preform as shown in an exemplary embodiment of the present application;

FIG. 4 is an enlarged view taken at location A of FIG. 3;

FIG. 5 is a partial view of a tower segment shown in an exemplary embodiment of the present application;

FIG. 6 is a schematic view of an in-borehole isolation cup and a splice connection shown in an exemplary embodiment of the present application;

FIG. 7 is a schematic view of a wind turbine shown in an exemplary embodiment of the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise specified, "front", "back", "lower" and/or "upper", "top", "bottom", and the like are for ease of description only and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Referring to FIGS. 1 and 2, FIG. 1 is a schematic view illustrating a partial structure of a tower according to an exemplary embodiment of the present disclosure; FIG. 2 is a schematic view of a tower section shown in an exemplary embodiment of the present application.

The application provides a concatenation formula tower section of thick bamboo 100, concatenation formula tower section of thick bamboo 100 can be applied to wind generating set, and concatenation formula tower section of thick bamboo 100 includes the tower section of thick bamboo 20 of the vertical concatenation of multilayer, and tower section of thick bamboo 20 includes tower section of thick bamboo prefab 10. The tower preform 10 may be a concrete preform, but is not limited thereto.

In one embodiment, each tower segment 20 may include only one tower preform 10, for example, the tower preform may have a cylindrical structure with a uniform cross-section, a conical structure with a large bottom end and a small top end, or a cylindrical structure with a polygonal cross-section. The plurality of tower sections 20 are sequentially spliced from low to high along the longitudinal direction to form a spliced tower.

In another embodiment, each tower segment 20 may also include at least two tower preforms 10, at least two tower preforms are spliced together on the same layer to form a tower segment 20 of a cylindrical structure, and then the spliced tower segments 20 are sequentially spliced from low to high in the longitudinal direction to form a spliced tower.

Referring to FIG. 3, FIG. 3 is a schematic view of a tower preform as shown in an exemplary embodiment of the present application.

In one embodiment, the tower segment 20 may include two semi-circular sheet-like structural tower preforms 10, and the two semi-circular preform 10 may be spliced into a cylindrical tower segment 20.

In other embodiments, a sheet-type tower preform of 1/4 circular arcs or 1/8 circular arcs may be used, and each tower segment 20 may be spliced by four 1/4 circular arc tower preforms or eight 1/8 circular arc tower preforms. Of course, the tower tube preform 10 may have other arc-shaped sheet structures, and each tower tube segment 20 may be formed by splicing other numbers of tower tube preforms 10, not limited to two, four or eight. Additionally, the various tower segments 20 described in the above embodiments may also be used together in the same split tower 100. In other embodiments, the tower preform 10 may have other shapes than a circular arc, such as a flat sheet.

In view of the numerous embodiments of the tower preform 10, the present application will detail the technical solutions provided herein by taking a tower preform having a semi-circular sheet-like structure as an example.

With continued reference to fig. 3, the tower preform 10 includes a main body 11 and a splicing boss 12, the main body 11 includes a splicing surface 110, and the splicing boss 12 is protruded on the splicing surface 110. When adjacent tower section of thick bamboo prefab 10 splices through concatenation face 110, because be equipped with concatenation boss 12 on the concatenation face 110, adjacent tower section of thick bamboo prefab 10 can be through the joint of concatenation boss 12, and concatenation boss 12 can be with adjacent tower section of thick bamboo prefab 10 direct contact, compares and joins through whole concatenation face 110, has reduced the area of composition face, and the concatenation effect is better. In addition, when the installation and leveling are carried out, only the surface of the splicing boss 12 can be processed, the whole splicing surface 110 does not need to be processed, the splicing efficiency is improved, and the cost is reduced.

The splicing bosses 12 include but are not limited to square bosses, the number of the splicing bosses 12 can be selectively set according to the size of the splicing surface 110, one or more splicing bosses 12 can be set on the splicing surface 110, and the height of the splicing bosses 12 protruding out of the splicing surface 110 can also be selectively set according to actual conditions.

With continued reference to fig. 3, the splicing surface 110 includes an upper splicing surface 110a and a lower splicing surface 110b, and in one embodiment, the splicing boss 12 may be disposed only on the upper splicing surface 110a, and the splicing boss 12 may be spliced to the upper tower preform 10. In another embodiment, the splicing boss 12 may be disposed only on the lower splicing surface 110b, and the splicing boss 12 may be spliced with the lower tower preform 10. In this embodiment, the upper splicing surface 110a and the lower splicing surface 110b are both provided with splicing bosses 12, and the splicing bosses 12 can be respectively spliced with the upper-layer tower tube prefabricated member 10 and the lower-layer tower tube prefabricated member 10, so as to improve splicing efficiency and reduce cost to a greater extent.

The splicing surface 110 further includes a side splicing surface 110c, and the tower preforms 10 spliced to each other in the same layer can be spliced through the side splicing surface 110 c. In one embodiment, the splicing bosses 12 are disposed on the side splicing surfaces 110c, such that multiple tower preforms 10 disposed in the same tower segment 20 can be joined by the splicing bosses 12 to reduce the joining area and improve the splicing efficiency. In an alternative embodiment, the side splicing surface 110c may be provided with a plurality of splicing bosses 12, for example, may be respectively provided at the top end and the bottom end of the side splicing surface 110 c.

Referring to fig. 2 and fig. 3, the tower tube prefabricated member 10 further includes a positioning groove 13, the positioning groove 13 is used for inserting a positioning pin 30, the positioning pin 30 may be fixed in the positioning groove 13 by grouting, and the positioning pin 30 may be in limit fit with the positioning groove 13 of the tower tube prefabricated member 10 spliced with each other in different layers.

Specifically, in an embodiment, the positioning groove 13 is disposed on the side splicing surface 110c and penetrates through the upper splicing surface 110a, at this time, the positioning pin 30 can extend from the upper splicing surface 110a, and the extending end of the positioning pin 30 can be in spacing fit with the positioning groove 13 of the lower splicing surface 110b of the tower tube prefabricated member 10 on the upper layer. In another embodiment, the positioning groove 13 is disposed on the side splicing surface 110c and penetrates through the lower splicing surface 110b, at this time, the positioning pin 30 can extend from the lower splicing surface 110b, and the extending end of the positioning pin 30 can be in limit fit with the positioning groove 13 of the upper splicing surface 110a of the lower-layer tower tube prefabricated member 10.

In this embodiment, the positioning groove 13 is disposed on the side splicing surface 110c, and is provided with a plurality of positioning grooves, which respectively penetrate through the upper splicing surface 110a and the lower splicing surface 110b, the positioning pin 30 can respectively extend from the upper splicing surface 110a and the lower splicing surface 110b, and the extending end of each positioning pin 30 can respectively be in spacing fit with the positioning groove 13 of the lower splicing surface 110b of the upper-layer tower tube prefabricated member 10 and the positioning groove 13 of the upper splicing surface 110a of the lower-layer tower tube prefabricated member 10.

On the other hand, the positioning pin 30 can also be in limit fit with the positioning groove 13 of the tower tube prefabricated member 10 spliced with the same layer, specifically, the positioning groove 13 is arranged on the side splicing surface 110c, a part of the positioning pin 30 is exposed out of the positioning groove 13, and the exposed part can be inserted into the positioning groove 13 of the tower tube prefabricated member 10 spliced with the same layer and is in positioning fit with the positioning groove 13.

In this embodiment, the positioning groove 13 is a semicircular groove, and the positioning pin 30 is a circular positioning pin. In other embodiments, the positioning slot 13 may also be a rectangular slot, an oblong slot, etc., and the shape of the positioning pin 30 matches the shape of the positioning slot 13.

It should be noted that the positioning groove 13 may be disposed on the side splicing surface 110c, or may be disposed on the splicing boss 12 of the side splicing surface 110c, and in this embodiment, the latter is adopted. Because the surface of concatenation boss 12 is the composition surface, consequently, locate concatenation boss 12 with constant head tank 13, can improve the joining precision, and then improve the spacing complex precision of locating pin 30 and constant head tank 13.

The side splicing surface 110c includes a first side splicing surface 110d and a second side splicing surface 110e, and the tower preforms 10 spliced together in the same layer are spliced by the first side splicing surface 110d and the second side splicing surface 110e, respectively. The positioning slot 13 may include a first positioning slot 13a and a second positioning slot 13b, wherein the first positioning slot 13a is disposed on the first side splicing surface 110d, and the second positioning slot 13b is disposed on the second side splicing surface 110e, so that the positioning pins 30 may be inserted into the first positioning slot 13a and the second positioning slot 13b, and are in spacing fit with the adjacent tower preform 10 through the plurality of positioning pins 30.

In one embodiment, the first positioning groove 13a and the second positioning groove 13b penetrate through the upper splicing surface 110a along the same direction, and the first positioning groove 13a and the second positioning groove 13b are symmetrically arranged relative to the symmetry axis a of the inner side edge 40 of the first side splicing surface 110d and the inner side edge 50 of the second side splicing surface 110 e.

In other embodiments, the first and

second positioning grooves

13a and 13b may extend through the upper splicing surface 110a in the same direction, and the first and

second positioning grooves

13a and 13b are asymmetrically disposed with respect to the symmetry axis a of the inner side edge 40 of the first side splicing surface 110d and the inner side edge 50 of the second side splicing surface 110 e. This setting can make first constant head tank 13a and second constant head tank 13b to the distance of the centre of a circle department of tower section of thick bamboo prefab 10 unequal, and then makes the distance inequality of locating pin 30 to the center of tower section 20 of cartridge in first constant head tank 13a and second constant head tank 13b, and when the concatenation of tower section of thick bamboo prefab 10 of upper and lower floor, need splice according to the position of locating pin 30, otherwise can appear interfering and can't splice, can realize mistake proofing concatenation through this kind of mode. In this embodiment, two positioning pins 30 are provided.

In other embodiments, the first positioning groove 13a and the second positioning groove 13b may also penetrate through the lower splicing surface 110b along the same direction, or the first positioning groove 13a and the second positioning groove 13b penetrate through the upper splicing surface 110a and the lower splicing surface 110b, and similarly, the distance from the first positioning groove 13a to the center of the tower preform 10 and the distance from the second positioning groove 13b to the center of the tower preform 10 may be set to be unequal, so as to implement error-proofing splicing.

Referring to fig. 3 to 5, the main body 11 may further include a splicing hole 14 penetrating the splicing surface 110, and a splicing operation hole 15 communicating with the splicing hole 14. In one embodiment, the splicing holes 14 may extend through the side splicing surfaces 110c, and each tower preform 10 may be provided with two splicing holes 14 and two splicing operation holes 15, wherein one of the splicing holes 14 extends through the first side splicing surface 110d and is located on the upper side of the first side splicing surface 110d, and the other splicing hole 14 extends through the second side splicing surface 110e and is located on the lower side of the second side splicing surface 110 e.

The main body 11 may further include a pre-buried hole 16 and a splicing connector 70 embedded in the pre-buried hole 16, wherein the pre-buried hole 16 penetrates through the splicing surface 110. In one embodiment, the pre-buried holes 16 may penetrate through the side splicing surfaces 110c, each tower preform 10 may have two pre-buried holes 16, one pre-buried hole 16 penetrates through the first side splicing surface 110d and is located at the lower side of the first side splicing surface 110d, one pre-buried hole 16 penetrates through the second side splicing surface 110e and is located at the upper side of the second side splicing surface 110e, and the splicing connectors 70 are embedded in each pre-buried hole 16. In some embodiments, one end of the splicing connecting element 70 is embedded in the pre-buried hole 16 as a fixed end, and the other end is exposed as a connecting end, so that the fixed end of the splicing connecting element 70 does not need to be fixed by forming a splicing operation hole, in other words, the splicing operation hole for fixing the fixed end of the splicing connecting element 70 can be omitted on the tower tube prefabricated member 10, so as to reduce the number of open holes, improve the strength of the tower tube prefabricated member 10, and simplify the structure of the mold.

According to the tower tube prefabricated member 10 described above, the tower tube prefabricated members 10 spliced with each other in the same layer can be processed by using the same set of mold, and when two tower tube prefabricated members 10 in the same layer are spliced, the splicing connecting pieces 70 on one can just penetrate into the splicing holes 14 of the other. The spliced tower 100 may further include an attachment fitting 60, and the attachment fitting 60 is assembled with the splicing attachments 70 through the splicing operation holes 15 to fasten two tower preforms 10 of the same layer together. The block joint connector 70 may be a screw or a nut, and the joint fitting member 60 may be a nut engaged with the screw or a screw engaged with the nut. When the splicing connecting piece 70 adopts a nut, the connecting fitting piece 60 can adopt a screw, the screw is screwed into the nut from the splicing operation hole 15, the screw and the nut both penetrate into the splicing hole 14, when the splicing connecting piece 70 adopts a screw, the connecting fitting piece 60 can adopt a nut, at the moment, the screw penetrates into the splicing hole 14, and the nut penetrates into the splicing operation hole 15. In addition, a flat pad, a spring pad and the like can be added on the screw rod.

In other embodiments, the number of the assembling holes 14 and the assembling operation holes 15 may be less than two or more than two, and accordingly, the pre-buried holes 16 may be determined according to the number of the assembling holes 14. In addition, the joining hole 14 is not limited to the through side joining surface 110 c. In other embodiments, the assembly holes 14 may also extend through the upper assembly surface 110a and/or the lower assembly surface 110b, in which case, the assembly connectors extending through the assembly holes 14 may connect the upper and lower tower preforms 10 to each other.

In the embodiment shown in fig. 3, the tower preform 10 is configured as a main body 11 having a semicircular structure, the number of the splicing bosses 12 of the upper splicing surface 110a is equal to that of the splicing bosses 12 of the lower splicing surface 110b, and the splicing bosses 12 of the first side splicing surface 110d are arranged in a one-to-one correspondence along the longitudinal direction of the main body 11, and the number of the splicing bosses 12 of the second side splicing surface 110e is equal to that of the splicing bosses 12 of the first side splicing surface 110d, and the splicing bosses are arranged in a one-to-.

The four positioning grooves 13 are respectively arranged on the splicing bosses 12 of the first side splicing surface 110d and the second side splicing surface 110e, the two first positioning grooves 13a penetrate through the upper splicing surface 110a, the two second positioning grooves 13b penetrate through the lower splicing surface 110b, and the first positioning grooves 13a and the second positioning grooves 13b are symmetrical about the central line of the main body 11.

The number of the assembling holes 14 and the number of the embedded holes 16 are two, the upper side of the first side assembling surface 110d is provided with one assembling hole 14, the lower side of the first side assembling surface is provided with one embedded hole 16, the upper side of the second side assembling surface 110e is provided with one embedded hole 16, the lower side of the second side assembling surface is provided with one assembling hole 14, and the assembling hole 14 and the embedded holes 16 are symmetrical about the central line of the main body 11. The embedded holes 16 are embedded with splicing connecting pieces 70.

According to the above description, due to the symmetrical arrangement of the splicing bosses 12 and the positioning grooves 13 on the tower tube prefabricated member 10, the semicircular tower tube prefabricated member 10 can be processed by using the same set of mold, and the mold manufacturing cost is greatly reduced. During splicing, the side splicing surface 110c of one tower tube prefabricated member 10 is turned to be opposite to the side splicing surface 110c of the other tower tube prefabricated member 10, so that splicing operation can be performed, and the operation is simple and convenient.

Referring to fig. 6, fig. 6 is a schematic view illustrating an isolation cover and a splicing connecting member in an embedded hole according to an exemplary embodiment of the present application.

The tower prefabricated member 10 further comprises an isolation cover 17 embedded inside the main body 11, and the isolation cover 17 is arranged between the main body 11 and the splicing connecting pieces 70 in an isolated manner. The isolation cover 17 can isolate sundries and avoid influencing the assembly of the connecting fitting piece 60 and the splicing connecting piece 70. In one embodiment, the connecting assembly 70 may be a nut, and the shielding case 17 is sealed on one side of the nut to prevent concrete in the tower prefabricated member 10 from entering the nut. Further, the pad 80 may be embedded in the embedding hole 16.

Because the splicing surface 110 of the tower tube prefabricated members 10 is provided with the splicing bosses 12, gaps are left between the adjacent tower tube prefabricated members 10 after splicing, and based on the gaps, the spliced tower tube 100 may further include a sealing member, and the gaps between the two adjacent tower tube prefabricated members 10 are sealed by the sealing member. The sealing element may be a sealing strip, such as epoxy glue, or may be concrete grouted, but is not limited thereto.

Although the tower tube prefabricated member 10 with the semicircular structure is described above, the tower tube prefabricated members with other structures may adopt the same splicing structure, positioning structure and fixing structure as the tower tube prefabricated member 10, and the details are not described herein.

Referring to fig. 7, fig. 7 is a schematic view of a wind turbine generator set according to an exemplary embodiment of the present application.

The present application further provides a wind turbine generator system 200, wherein the wind turbine generator system 200 comprises a foundation 201, a spliced tower 100, a nacelle 202 and a wind wheel 203. Spliced tower 100 is disposed on foundation 201, wind turbine 203 and nacelle 202 are disposed on top of spliced tower 100, and various loads on wind turbine 203 may be transferred to foundation 201. The nacelle 202 includes components such as a rotor main shaft, a transmission system, and a generator, all components in the nacelle 202 are mounted on a main frame, the main frame is connected to the top end of the tower 100 through a bearing, and can rotate relative to the axis of the tower 100 under the driving of a yaw system, so that the rotor 203 and the nacelle 202 adjust the direction along with the change of the wind direction.

The wind wheel 203 is a component for converting wind energy into mechanical energy, and is provided with a plurality of blades, and the roots of the blades are connected with a hub. Wind acts on the blades at a certain speed and an attack angle, so that the blades generate torque to drive the main shaft of the wind wheel to rotate, and wind energy is converted into rotary mechanical energy. The main shaft of the wind wheel drives the rotor of the generator to rotate through the transmission system, and the rotating mechanical energy is converted into electric energy.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. The utility model provides a tower section of thick bamboo prefab, tower section of thick bamboo prefab is arranged in a concatenation formula tower section of thick bamboo, a serial communication port, tower section of thick bamboo prefab includes main part and concatenation boss, the main part is including the concatenation face, the protruding concatenation face of locating of concatenation boss, the concatenation boss is including the composition surface that is used for the concatenation, the composition surface is established to non-composition surface.

2. The tower preform of claim 1, wherein the body of the tower preform is a semi-circular sheet structure; and/or

3. The tower preform of claim 1, wherein the splicing surface comprises an upper splicing surface, a lower splicing surface, and side splicing surfaces, and wherein the tower preform comprises a positioning slot disposed in the side splicing surfaces and extending through the upper splicing surface and/or the lower splicing surface.

4. The tower preform of claim 3, wherein the side splicing surfaces comprise a first side splicing surface and a second side splicing surface, the positioning groove comprises a first positioning groove formed in the first side splicing surface and a second positioning groove formed in the second side splicing surface, the first positioning groove and the second positioning groove penetrate through the upper splicing surface or the lower splicing surface in the same direction, and the first positioning groove and the second positioning groove are asymmetrically arranged with respect to a symmetry axis of an inner side edge of the first side splicing surface and an inner side edge of the second side splicing surface; and/or

5. The tower preform of claim 1, wherein the body further defines splicing holes extending through the splicing surface and splicing operation holes communicating with the splicing holes.

6. The tower preform of any one of claims 1 to 5, wherein the main body further comprises a pre-buried hole and a splicing connector embedded in the pre-buried hole, the pre-buried hole penetrating through the splicing surface.

7. The tower preform of claim 6, further comprising a cage embedded within the main body, the cage being isolatedly disposed between the main body and the construction couplings.

8. A spliced tower, comprising a plurality of layers of longitudinally spliced tower segments, the tower segments comprising the tower preform of any one of claims 1-4.

9. The spliced tower as claimed in claim 8, wherein the tower segments comprise at least two of the tower preforms, the at least two tower preforms being spliced together at the same level to form a tower segment of a cylindrical structure; and/or

10. The spliced tower drum as claimed in claim 8, wherein one of two adjacent tower drum prefabricated members spliced with each other is provided with splicing holes and splicing operation holes communicated with each other, and the other one is provided with splicing connecting members, the spliced tower drum further comprises a connecting fitting member which is assembled with the splicing connecting members through the splicing operation holes, and at least one of the connecting fitting member and the splicing connecting members penetrates into the splicing holes.

11. The spliced tower as claimed in claim 8, wherein the tower preform includes a locating slot, the spliced tower includes a locating pin inserted into the locating slot, the locating pin is in limit fit with the locating slot of the tower preforms spliced to each other on the same layer, and is in limit fit with the locating slot of the tower preforms spliced to each other on different layers.

12. The spliced tower as claimed in claim 11, wherein the spliced tower comprises a plurality of the locating pins disposed on a same tower segment, and at least two of the locating pins disposed on a same tower segment are located at unequal distances from the center of the tower segment.

13. A wind turbine generator set, comprising:

a foundation;

the spliced tower as claimed in any one of claims 8 to 12, disposed on the foundation;

the engine room is arranged at the top end of the spliced tower barrel; and

and the wind wheel is arranged on the engine room.