CN106438214A

CN106438214A - Tower drum used for wind driven generator

Info

Publication number: CN106438214A
Application number: CN201610883165.7A
Authority: CN
Inventors: 郑家宁; 李亮
Original assignee: Huoerguosi Amperex Technology Ltd
Current assignee: Shanghai Fengling new energy Co.,Ltd.
Priority date: 2016-10-08
Filing date: 2016-10-08
Publication date: 2017-02-22

Abstract

The invention discloses a tower drum used for a wind driven generator. The tower drum comprises a tower drum foundation, a tower drum body and an adapter, the tower drum body is of a concrete structure and comprises assembling tower drum segments and whole ring tower drum segments, each assembling tower drum segment is arranged on the tower drum foundation, each whole ring tower drum segment is arranged on the corresponding assembling tower drum segment, and each assembling tower drum segment comprises a plurality of tower pieces sequentially connected end to end in the circumferential direction; each whole ring tower drum segment is an integrally-formed annular part; each tower piece is provided with connecting side walls adjacent to other tower pieces, the connecting side walls of every two adjacent tower pieces are spaced, two separating and blocking parts are arranged between the connecting side walls of every two adjacent tower pieces, and are spaced in the radial direction of the tower drum, and a grouting gap with the closed periphery is defined by two separating and blocking parts and the corresponding connecting side walls on the two sides and is filled with grouting materials; the adapter is arranged on the top of the tower drum body. According to the tower drum, grouting seal performance and the pouring quality of prefabricated tower pieces on the vertical joint are ensured, and the forming quality of the assembling tower drum segments is improved.

Description

Tower for wind-driven generator

Technical field

The present invention relates to field of wind power generation equipment, especially relate to a kind of tower for wind-driven generator.

Background technology

With the increase of power generation efficiency, fan blade is more and more longer, the matching height of blower fan tower barrel and cutting Face size is also being continuously increased.Steel construction tower is due to relatively costly, transport difficult, therefore, it is difficult to meeting the high tower in heavy in section Build and require.And precast concrete tower can economically build Large-scale Wind Turbines, thus get the attention.By Limit in traffic condition and prefabricated processing conditionss, single heavy in section tower is often formed by multi-disc arc tube piece Assembling.So Afterwards the single tower after assembling is lifted from lower to upper successively, be finally built into complete concrete tower.

In concrete towers barrel structure disclosed in correlation technique, because tower sectional dimension is larger, by transport and prefabricated processing Equipment limit, needs using burst is prefabricated and Assembling.Tower is along total length all using the structure of such burst flat moulded prefabricated Single tower is it may be difficult to realize tower optimized design and construction.

In addition, in concrete towers barrel structure disclosed in correlation technique, by complex operation during different tower piece assembly and connections And the seal that is in the milk is poor.

Content of the invention

The application is based on technical problem present in solution prior art.For this reason, being used for it is contemplated that proposing one kind The tower of wind-driven generator, in this tower, different tower piece assembly and connections are easily, be in the milk good seal.

Tower for wind-driven generator according to embodiments of the present invention, including：Tower barrel base, described tower barrel base is extremely A few part is arranged on below ground；Tower body, described tower body is xoncrete structure, and described tower body includes along upper Multiple tower segments that lower direction is sequentially connected, the plurality of tower segments include at least one assembling tower segments and at least one is whole Ring tower segments, described assembling tower segments are located on described tower barrel base, and described domain tower segments are located in described assembling tower segments, Each described domain tower segments is integrally formed annular element, and each described assembling tower segments all includes circumferentially head and the tail successively Connected multiple tower pieces, each described tower piece is respectively provided with the connecting side wall adjacent with other tower pieces, often adjacent two described towers It is spaced apart between the connecting side wall of piece and is provided with two retaining pieces, described two retaining pieces are at the radially interval of described tower Open, limit the grouting gap of all round closure between described two retaining pieces and the described connecting side wall of both sides, between described grouting It is filled with grouting material to form binder courses in gap；Adaptor, described adaptor is metalwork, and described adaptor is located at described tower The top of body.

Tower for wind-driven generator according to embodiments of the present invention, by the connection in two tower pieces being connected to each other Two retaining pieces are set between the wall of side to limit the grouting gap of interior outer closure, solve and pour the assembling tower with vertical joint The spillage, the problem of complex procedures that easily occur during cylinder section it is ensured that pouring quality at vertical joint for the prefabricated tower piece it is ensured that The sealing of grouting, such that it is able to improve the Forming Quality of assembling tower segments.

In certain embodiments, the described connecting side wall of each described tower piece is equipped with vertically extending two Locating slot, described two locating slots are respectively adjacent to the outer edge setting of described tower piece, two being connected with each other described tower piece Respectively relatively, each described retaining piece coordinates in the described tower piece of two being connected with each other two described locating slots on connecting side wall Connecting side wall on relative to two described locating slots in.

In certain embodiments, the floor projection of described locating slot is triangle, rectangle or arc.

In certain embodiments, described retaining piece is tabular or cylindrical tube.

In certain embodiments, it is recessed that one of connecting side wall of two described tower pieces being connected with each other is provided with grouting Groove, described groutnick runs through the outside wall surface of described tower piece.

In certain embodiments, between often adjacent two described tower pieces, the connecting side wall of one of tower piece is provided with Connecting hole, another tower piece is provided with the vertical joint connecting post that insertion is engaged to described connecting hole.

In certain embodiments, the connecting side wall of another tower piece described is provided with screwed hole, and described vertical joint connects Male screw is connected to described screw thread in the hole.

In certain embodiments, it is provided with pre-buried connecting rod, the end direction of described connecting rod in another tower piece described Accordingly described connecting side wall opens wide to form described screwed hole.

In certain embodiments, described connecting rod is L-shaped.

In certain embodiments, the described connecting side wall of each described tower piece is equipped with multiple enhancing grooves, described many Individual enhancing groove is each provided at accordingly between described two retaining pieces.

The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description Obtain substantially, or recognized by the practice of the present invention.

Brief description

The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below Substantially and easy to understand, wherein：

Fig. 1 is tower according to embodiments of the present invention structural representation on the ground；

Fig. 2 is the tower according to embodiments of the present invention schematic diagram in tower barrel base and tower body junction；

Fig. 3 is the structural representation of tower according to embodiments of the present invention；

Fig. 4 is the prestressing force stepwise schematic views of tower according to embodiments of the present invention；

Fig. 5 is the assembling schematic diagram between adjacent assembling tower segments according to embodiments of the present invention；

Fig. 6 is the assembling schematic diagram between adjacent domain tower segments according to embodiments of the present invention；

Fig. 7 is the axonometric chart of adaptor according to embodiments of the present invention；

Fig. 8 is the vertical cross-section schematic diagram of adaptor according to embodiments of the present invention；

Fig. 9 is the structural representation of tower piece according to embodiments of the present invention；

Figure 10 is that Fig. 9 centre circle shows enlarged drawing at A；

Figure 11 is that Fig. 9 centre circle shows enlarged drawing at B；

Figure 12 is that Fig. 9 centre circle shows enlarged drawing at C；

Figure 13 is that Fig. 9 centre circle shows enlarged drawing at D；

Figure 14 is that Fig. 9 centre circle shows enlarged drawing at E；

Figure 15 is the top view of tower piece according to embodiments of the present invention；

Figure 16 is the structural representation of domain tower segments according to embodiments of the present invention；

Figure 17 is that Figure 16 centre circle shows enlarged drawing at F；

Figure 18 is that Figure 16 centre circle shows enlarged drawing at G；

Figure 19 is the schematic top plan view of assembling tower segments according to embodiments of the present invention；

Figure 20 is that Figure 19 centre circle shows enlarged drawing at J；

Figure 21 is that Fig. 5 centre circle shows enlarged drawing at H；

Figure 22 is that Fig. 6 centre circle shows enlarged drawing at K；

Figure 23 is the positioning mode schematic diagram of tower barrel base according to embodiments of the present invention and tower body junction.

Reference：

Tower 1000,

First prestressing force section 1001, the second prestressing force section 1002,

Tower barrel base 1,

Pedestal 11, epimere 111, hypomere 112,

Leveling groove 14 on prestressed pore passage 13 on connected unit 12, tower barrel base, tower barrel base,

Tower body 2,

Tower segments 20, assembling tower segments 21, tower piece 211, connecting side wall 2111, domain tower segments 22,

Connecting hole 231, vertical joint connecting post 232, connecting rod 233, screwed hole 2331, branch sleeve 234, locating slot 235、

Enhancing groove 241,

Retaining piece 251, grouting gap 252, groutnick 253,

Prestressed pore passage 261 in tower segments, location hole 262, detent 263, positioning screw 264, head 2641, bar Portion 2642, locating dowel 265, thread segment 2651, starting taper section 2652,

Leveling groove 271, levelling pad 272,

Prestressing force sleeve 281,

Steam vent 291,

Adaptor 3, upper flange 31, chassis 32, vertically connect wall 33, the prestressed pore passage 34 on pavilion joint, flange hole 35,

Presstressed reinforcing steel 4, the first presstressed reinforcing steel 41, the second presstressed reinforcing steel 42,

Location guide 5,

Ground 2000.

Specific embodiment

Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached The embodiment of figure description is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.

Below with reference to Fig. 1-Figure 23, the tower 1000 for wind-driven generator according to embodiments of the present invention is described.

Tower 1000 for wind-driven generator according to embodiments of the present invention, as shown in figure 1, include：Tower barrel base 1, Tower body 2 and adaptor 3.

Wherein, at least a portion of tower barrel base 1 be arranged on ground 2000 lower section that is to say, that tower barrel base 1 one It is partially buried in underground, or tower barrel base 1 is all embedded in underground.Tower barrel base 1 is used for supporting whole tower 1000, whole to ensure The structural stability of individual tower 1000.

With reference to Fig. 1, tower body 2 is xoncrete structure, and tower body 2 is formed as cylindricality barrel shape.Adaptor 3 is located at tower The top of cylinder body 2, adaptor 3 is metalwork, and adaptor 3 can be formed as the cylindricality tubular consistent with tower body 2 shape Shape.Wind-driven generator includes blower fan (not shown), and the head of blower fan can be directly anchored on adaptor 3, the head of blower fan Can also be fixed on adaptor 3 by bracing frame.

In embodiments of the present invention, tower barrel base 1, tower body 2 and adaptor 3 are all the important composition portions of tower 1000 Point, three is indispensable, and the structure of these three ingredients is respectively described below in conjunction with accompanying drawing.

With reference to Fig. 2 and Fig. 4, tower barrel base 1 includes pedestal 11 and connected unit 12, and pedestal 11 is formed as truncated cone-shaped, pedestal 11 Inner hollow, thus facilitate the bottom operation of operator, for example, presstressed reinforcing steel 4 can be carried out in tower 1000 bottom The operation such as draw, anchor.Connected unit 12 is located at the inner chamber of pedestal 11 and inwardly projecting, and the upper surface of connected unit 12 exceedes pedestal 11 Upper surface, connected unit 12 is annular table, and tower 1000 is located in connected unit 12.

Specifically, as depicted in figs. 1 and 2, at least a portion of pedestal 11 can be embedded to ground below 2000, pedestal 11 Including epimere 111 and hypomere 112, hypomere 112 is formed as cylindrical, and the cross section of epimere 111 is gradually reduced from bottom to top.Its In, the height of epimere 111 is more than the height of hypomere 112, steady to the support of tower 1000 to ensure.

Specifically, as shown in Fig. 2 the inner surface of connected unit 12 protrudes the inner surface of the central through hole of pedestal 11, and connect The lower end of platform 12 tilts to pedestal 11 inner side, thus forming an inclined-plane.Preferably, connected unit 12 can become with pedestal 11 one Type, simple by this moulding process, assembly process can be saved.Connected unit 12 can be made up of concrete with pedestal 11.

Further, tower barrel base 1 is provided with prestressed pore passage 13, and prestressed pore passage 13 is used for stretch-draw anchor presstressed reinforcing steel 4.Wherein, as shown in Fig. 2 the prestressed pore passage 13 on tower barrel base 1 is located in connected unit 12, this prestressed pore passage 13 insertion is even Connect platform 12.

In embodiments of the present invention, as shown in figure 3, multiple tower segments 20 include at least one assembling tower segments 21 and extremely Few domain tower segments 22, assembling tower segments 21 are located on tower barrel base 1, and domain tower segments 22 are located at assembling tower segments 21 On, each assembling tower segments 21 all includes circumferentially end to end multiple tower piece 211 successively, and each domain tower segments 22 is Integrally formed annular element.

Here, the tower segments 20 of the bottom of tower body 2 are designed to burst is prefabricated and Assembling becomes cylinder, are conducive to dropping Low transport and difficulty of construction, and timely leveling when being conducive to building at the beginning of tower 1000 bottom, and the tower by the top of tower body 2 It is prefabricated that section 20 is designed to the domain, can be beneficial to accelerating speed of application.This structure is particularly suited for the tower of tall and big wind-driven generator In cylinder building, for example, in a specific embodiment of the present invention, tower 1000 total height requires as 80～140 meters, tower 1000 It is applied to the wind-driven generator of 1.5MW, 2MW, 2.5MW, 3MW, 3.5MW or 5MW.Tens to be built in this tower 1000 Tower segments 20, part based on bottom assembling tower segments 21, its structure building quality is to be related to whole tower 1000 structure The key of reliability.

In tall and big wind-driven generator tower is built, if tower adopts steel construction tower, tower high cost.But If tower adopts whole concrete structure tower, because xoncrete structure tensile strength is relatively low, when atop a tower load-bearing Greatly, when moment of torsion is also very big, partly easily conquassation, the fragmentation of tower top connecting fan head.And will be in the embodiment of the present invention Tower 1000 top arranges metal adaptor 3, and adaptor 3 is lightweight, good toughness, has good ductility and stronger whole Body, has the anti-seismic performance of brilliance, thus tower 1000 safety is ensured.

For in the tower 1000 of wind-driven generator, some tower bodies 2 are formed as straight tube shape that is to say, that upper and lower On direction, the cross sectional dimensions of tower body 2 are identical, and assembling tower segments 21 are generally equalized with the sectional dimension of domain tower segments 22. But also there are some tower bodies 2 to be formed as taper, taper into upwards in the cross-sectional area of tower body 2, therefore assemble tower The sectional dimension of cylinder section 21 is more than the sectional dimension of domain tower segments 22.

Although, it is to be understood that bottom tower segments 20 sectional dimension is larger, the domain is pre- for the tower body 2 for taper If system, lifting, transport are all inconvenient.But because tower 1000 top is gradually taken in, sectional dimension constantly diminishes, and reality is Possesses the prefabricated condition of the domain.

And for the tower segments 20 of tower 1000 different cross section size in the embodiment of the present invention, using different prefabricated sides Formula, that is, for the tower segments 20 of bottom heavy in section size, takes burst prefabricated and Assembling becomes the mode of cylinder, and for top The tower segments 20 of small cross-sectional size, directly pre-formed in precast plant, then transport and install to on-site hoisting, thus simplifying construction Flow process is it is ensured that construction quality.So operate, both met the demand of bottom heavy in section size tower segments 20 partition machining, reduce again Top small bore tower segments 20 working procedure, reduces construction cost, improves efficiency of construction.

The tower 1000 for wind-driven generator according to embodiments of the present invention, by by the bottom tower of tower body 2 Section 20 bursts are prefabricated and Assembling becomes cylinder, and top tower segments 20 domain of tower body 2 is prefabricated, is conducive to tower 1000 to tie Structure leveling is constructed, and in taper tower 1000 structure, large scale tower segments 20 burst is prefabricated is readily transported, lifts, small size Tower segments 20 domain is prefabricated to be reduced construction cost, improves efficiency of construction.Adaptor 3 is set on tower 1000 top, can bear The larger weight of blower fan head and moment of torsion, thus ensured the safety of tower 1000.

In certain embodiments, tower 1000 is formed as cylindrical shape or cone barrel.When tower body 2 is cylindrical shape, group Dress tower segments 21 and domain tower segments 22 are also cylindrical shape, when tower body 2 is taper barrel, assembling tower segments 21 and whole Ring tower segments 22 are also taper barrel.

Wherein, in assembling tower segments 21, each tower piece 211 is arc tower piece 211, thus convenient process.Concrete at some In embodiment, each assembling tower segments 21 all includes two tower pieces 211, and the central angle of each tower piece 211 is 180 degree, two Tower piece 211 docking can form 360 degree of tower segments 20.

Specifically, as shown in figure 3, assembling tower segments 21 are multiple and are sequentially connected along the vertical direction, two neighboring assembling Tower piece 211 seam in tower segments 21 staggers setting.

It is understood that assembling tower segments 21 are in tower piece 211 seam crossing impact resistance and shock resistance relatively other positions Put that place is weak, and tower piece 211 seam in two neighboring assembling tower segments 21 is staggered setting in the circumference of tower body 2, that In every layer of assembling tower segments 21, two adjacent tower pieces 211 are contacted with a tower piece 211 of its either above or below, assembling The constraint that tower segments 21 are subject in tower piece 211 seam crossing is strengthened, thus improve the structural reliability of assembling tower segments 21.

Further, as shown in figure 3, each assembling tower segments 21 all includes the two semicircular tower pieces 211 docking, phase Stagger between tower piece 211 seam of adjacent two assembling tower segments 21 90 ° of angle, such tower 1000 overall appearance, and structure is steady Fixed easily construction.

Certainly, in the embodiment of the present invention, the shape of tower body 2 is not limited to above-mentioned cylindrical shape or taper barrel, tower body 2 may also be formed as polygon, and in corresponding assembling tower segments 21, the number of tower piece 211 also can be by being actually needed decision.

In certain embodiments, tower 1000 is connected with prestressed structure between each section of tower segments 20, realizes tower 1000 Prestressing with bond.Below in conjunction with the prestressed structure that may adopt in the Description of Drawings embodiment of the present invention.

With reference to Fig. 5, Fig. 6 and Fig. 4, each tower segments 20 is equipped with the prestressed pore passage 261 of insertion along the vertical direction, tower Cylinder 1000 also includes through prestressed pore passage 261 and is connected to the presstressed reinforcing steel 4 tower 1000 diverse location.Here, exist In assembling tower segments 21 and/or domain tower segments 22, each tower segments 20 pass through the prestressed pore passage of same presstressed reinforcing steel 4 261 connect along the vertical direction, and are located on same vertical curve.

As shown in figure 5, passing through the prestressed pore passage 261 1 of same presstressed reinforcing steel 4 between adjacent assembling tower segments 21 One is correspondingly arranged, and is located on same vertical curve.As shown in fig. 6, pass through same between adjacent domain tower segments 22 in advance should The prestressed pore passage 261 of power muscle 4 corresponds setting, and is located on same vertical curve.

Each tower segments 20 of tower body 2 are linked into an integrated entity by the tensile force of presstressed reinforcing steel 4, and possess tension, resist Shake, non-deformability.

As shown in figure 4, presstressed reinforcing steel 4 includes the first presstressed reinforcing steel 41 and the second presstressed reinforcing steel 42, the first presstressed reinforcing steel 41 Tower segments 20 quantity connecting is less than tower segments 20 quantity that the second presstressed reinforcing steel 42 connects, and the first presstressed reinforcing steel 41 is in tower The height that connects on 1000 is less than connection height on tower body 2 for second presstressed reinforcing steel 42.That is, tower body 2 It is divided into two level tensionings.

For convenience of describing, as shown in figure 4, referred to here as in tower 1000 by the part that the first presstressed reinforcing steel 41 tensioning connects being First prestressing force section 1001, claims in tower 1000 by the second presstressed reinforcing steel 42 tensioning and not included in the first prestressing force section 1001 Part be the second prestressing force section 1002.

It should be noted that in the tower disclosed in correlation technique stretch-draw prestressing force mostly only total length tensioning structure shape The version of total length tensioning again after formula, or subsection tension.For the only version of total length tensioning, in work progress Before prestress application, construction stage safety needs to consider carefully, and for total length tensioning again after subsection tension, due to tensioning layer Secondary more, construction is loaded down with trivial details, and unrealized optimized design.

And calculated according to construction stage load in the embodiment of the present invention and check, take packet to apply prestressing force, by bottom Tower segments 20 burst is prefabricated, and the top domain is prefabricated, and is grouped stretch-draw prestressing force, so can be in the premise ensureing construction safety Under, reduce prestress application level to greatest extent, meet overall tower 1000 prestressing force demand.

Specifically, in tower 1000, presstressed reinforcing steel 4 adopts prestressed strand, and prestressed strand lower end is fixed on tower barrel base In 1, the packet of prestressed strand upper end is fixed on the first prestressing force section 1001 upper surface and the upper surface of the second prestressing force section 1002 On.

In certain embodiments, as shown in figure 4, the second presstressed reinforcing steel 42 from the assembling tower segments 21 of the bottom upwards It is sequentially connected to the domain tower segments 22 of top, the first presstressed reinforcing steel 41 connects upwards successively from the assembling tower segments 21 of the bottom Be connected to tower 1000 height 3/5～4/5 at.

In some instances, the top of the first presstressed reinforcing steel 41 connects the domain at the 3/5～4/5 of the height of tower 1000 In tower segments 22, the top connecting adapter 3 of the second presstressed reinforcing steel 42, the bottom of the first presstressed reinforcing steel 41 and the second presstressed reinforcing steel 42 End connects tower barrel base 1.That is, the first prestressing force section 1001 include positioned at tower 1000 bottom about 3/5～4/5 portion Point, the second prestressing force section 1002 includes remainder on tower body 2, the second prestressing force section 1002 connecting adapter 3.

Here, because the top of the second presstressed reinforcing steel 42 connects to adaptor 3, therefore as shown in Figure 7 and Figure 8, adaptor 3 It is provided with the prestressed pore passage 34 of corresponding second presstressed reinforcing steel 42.

As shown in Fig. 2 when the bottom of the first presstressed reinforcing steel 41 and the second presstressed reinforcing steel 42 connects to tower barrel base 1, tower Cylinder basis 1 is provided with the prestressed pore passage 13 of corresponding first presstressed reinforcing steel 41 and the second presstressed reinforcing steel 42.

In certain embodiments, it is provided with 10 groups of presstressed reinforcing steels 4 of circumferentially spaced distribution in tower 1000, wrap in every group Include first presstressed reinforcing steel 41 and three second presstressed reinforcing steels 42.

Concrete body, is provided with 4,10 groups of presstressed reinforcing steels 4 of 10 groups of presstressed reinforcing steels along the circumference etc. of tower 1000 in tower 1000 Spaced apart.Wherein, every group includes four presstressed reinforcing steels 4, has three to be the first presstressed reinforcing steel 41, have in four presstressed reinforcing steels 4 One is the second presstressed reinforcing steel 42.

Wherein, in 10 groups of presstressed reinforcing steels 4, the bottom of each presstressed reinforcing steel 4 is both connected on tower barrel base 1,10 groups of prestressing force In muscle 4, in every group, the top of the second presstressed reinforcing steel 42 connects to adaptor 3, and in every group, the top of the first presstressed reinforcing steel 41 connects In domain tower segments 22 at the 3/5-4/5 of the height being connected to tower 1000.

The set location of the prestressed pore passage in tower 1000 and quantity are corresponding with presstressed reinforcing steel 4, specifically, tower 1000 10 groups of prestressed pore passages being provided with circumferentially spaced distribution.

Wherein, the tower segments 20 of the first prestressing force section 1001 (include all assembling tower segments 21 and part domain tower segments 22) upper every group of prestressed pore passage includes four prestressed pore passages 261, and on tower barrel base 1, every group of prestressed pore passage includes four in advance Stress duct 13.As shown in figure 16, this domain tower segments 22 is provided with 10 groups of prestressed pore passages, every group of four prestressed pore passages 261, this domain tower segments 22 is provided with the prestressed pore passage 261 of 40 insertions along the vertical direction altogether.And for example Fig. 9 and Figure 15 institute Show, assembling tower segments 21 include the tower piece 211 shown in two Figure 15, and the central angle of this tower piece 211 is 180 degree, on this tower piece 211 It is provided with 5 groups of prestressed pore passages, every group of four prestressed pore passages 261, this tower piece 211 is provided with 20 insertions along the vertical direction altogether Prestressed pore passage 261, the assembling tower segments 21 being assembled into after two such tower piece 211 docking are provided with 40 along the vertical direction The prestressed pore passage 261 of insertion.

The upper every group of prestressed pore passage of tower segments 20 (including part domain tower segments 22) of the second prestressing force section 1002 includes Three prestressed pore passages 261, as shown in fig. 7, every group of prestressed pore passage includes three prestressed pore passages 261 on adaptor 3.

In certain embodiments, at least one tower segments 20 is formed with the steam vent connecting with prestressed pore passage 261 291, the internal perisporium of the tower segments 20 at its place of the inside insertion of steam vent 291.Being provided with of steam vent 291 is built beneficial to tower 1000 When making, the gas in prestressed pore passage 261 is discharged, it is to avoid prestressed pore passage 261 internal gas pressure is excessive to lead to tower segments 20 to burst.

As shown in Fig. 9 and Figure 14, tower piece 211 is formed with the steam vent 291 being connected with prestressed pore passage 261 thereon, The internal perisporium of the inside insertion tower piece 211 of steam vent 291.All it is communicated with steam vent 291 on each prestressed pore passage 261 in Fig. 9.

In tower 1000 is built, the quality of connection between each tower segments 20 is the pass having influence on tower 1000 total quality One of key factor.It is shown connecting location structure between tower segments 20 below in conjunction with accompanying drawing.

It should be noted that built according to tower requiring, need between two often adjacent tower segments to arrange tack coat.This With house build be same reason, when building a house can not possibly only by direct for brick storehouse in addition it is also necessary between brick build on cement, with To be bonded as one between each brick and ensure sealing.Therefore in the embodiment of the present invention, uniformly, densely filled out by adhesive linkage It is ensured that bonding strength between adjacent tower segments 20 is it is ensured that tower in the horizontal joint filling between adjacent tower segments 20 1000 bulk strength, quality and sealing.Alternatively, tack coat can be thixotroping mortar or epoxy resin.

It is appreciated that tower 1000 be thin and tall building, multiple tower segments 20 vertically add up construction form, if wherein certain One section of tower segments 20 is crooked, is all likely to result in tower 1000 generally in askew status.

Therefore, when tower 1000 is built, often build one section of tower segments 20, this tower segments 20 is required for leveling again, protect Demonstrate,proving each tower segments 20 is horizontal positioned, prevents the inclination of tower segments 20, improves the Forming Quality of tower 1000.

In embodiments of the present invention, by the effect of levelling pad 272 come leveling tower segments 20.

Specifically, as shown in Fig. 5, Fig. 6 and Figure 21 and Figure 22, in two often adjacent tower segments 20, underlying tower The top of cylinder section 20 is provided with multiple levelling pads 272, and multiple levelling pads 272 open up around the center interval of this tower segments 20 Put.Thus, by multiple levelling pads 272 of setting, and the upper surface of multiple levelling pads 272 is adjusted high to same level After degree, then the tower segments 20 of top are lifted the top of the tower segments 20 to lower section, the bottom of top tower segments 20 can be made straight Connect on the upper surface being supported on multiple levelling pads 272, with levelling pad 272, low position is propped up, thus reach The purpose of leveling.

Here, in two often adjacent tower segments 20, the top setting a lot of leveling pad of underlying tower segments 20 After piece 272, then sprawl thixotroping mortar or epoxy resin at the top of the tower segments 20 of lower section, again by the tower segments of lower section after completing 20 spiral shells on multiple levelling pads 272 it is ensured that thixotroping mortar or epoxy resin can well with upper and lower both sides tower segments 20 Bonds well.After forming tack coat after thixotroping mortar or epoxy resin dry hardening, two adjacent tower segments 20 can be very Link well integral.

Wherein, sprawl and during tack coat, ensure that thixotroping mortar or epoxy resin must not be sticky with the upper surface of levelling pad 272, Avoid affecting the flatness of multiple levelling pads 272.In addition, levelling pad 272 is preferably steel disc, thus ensureing top tower Section 20 is when being placed in multiple levelling pad 272, levelling pad 272 will not excess compression and destroy the plane of multiple levelling pads 272 Degree.

Tower 1000 for wind-driven generator according to embodiments of the present invention, by levelling pad 272 come leveling tower Section 20, simplifies construction technology, improving efficiency of construction, making effectively connection between adjacent tower segments 20, thus improving merging precision.

In certain embodiments, as shown in Fig. 5, Fig. 6 and Figure 21 and Figure 22, in two often adjacent tower segments 20, it is located at The top of the tower segments 20 of lower section is provided with multiple leveling grooves 271, and levelling pad 272 is located in leveling groove 271.Thus, may be used The installation facilitating levelling pad 272 is fixed, and multiple levelling pads 272 can be made to be positioned at the position of setting, can facilitate Efficiently realize the leveling between adjacent tower segments 20.

Specifically, as shown in Figure 15 and Figure 16, leveling groove 271 is multiple and multiple leveling grooves 271 along tower segments 20 The distribution of circumferential uniform intervals, so multiple levelling pads 272 of guarantee can well fix, position.

In figure 16, the top of domain tower segments 22 is provided with four leveling grooves 271, and four leveling grooves 271 are along the domain The ring uniform intervals arrangement of tower segments 22, each leveling groove 271 may be located between two adjacent groups prestressed pore passage 261, So that domain tower segments 22 is rational in infrastructure.

In fig .15, the top of semicircular tower piece 211 is provided with two leveling grooves 271, and two leveling grooves 271 are along tower The circumferentially spaced-apart of piece 211 is opened, and each leveling groove 271 may be located between two adjacent groups prestressed pore passage 261.

In certain embodiments, as shown in Figure 13 and Figure 18, the depth of leveling groove 271 is 5mm, leveling groove 271 width w1 is less than the half of radial width n of tower segments 20 at its place, and length w2 of leveling groove 271 is its institute 1.5 times of radial width n of tower segments 20, wherein, radial width n of tower segments 20 is equal to the outer radius of this tower segments 20 Difference with inside radius.In addition, the width centrage of leveling groove 271 be located at this tower segments 20 divide equally on centrage, That is, leveling groove 271 is equal with the internal perisporium of this tower segments 20 and the distance of periphery wall.So arrange, both can protect Card levelling effect, and contact area between levelling pad 272 and tower segments 20 can be increased so that its tower segments 20 of being located Smoothly it is placed in the top of tower segments 20 moreover it is possible to maximum restriction ensures structural strength at leveling groove 271 for the tower segments 20.

Advantageously, the shape of levelling pad 272 and area are all consistent with the leveling groove 271 that it is located, i.e. levelling pad 272 planar dimension is equivalently-sized with leveling groove 271.Alternatively, the thickness of levelling pad 272 be 0.5mm, 1mm, 2mm, 5mm or 10mm.

In some instances, it is provided with four levelling pads 272, the thickness of four levelling pads 272 in each leveling groove 271 Degree can be identical or different, to facilitate adjustment.

It is appreciated that the tower segments 20 of the lowermost end of tower body 2 are also required to leveling when building.Therefore, tower barrel base 1 On also be provided with multiple leveling grooves (not shown), multiple leveling grooves along the circumferentially spaced setting of tower barrel base 1, each tune It is provided with a piece of or multi-disc levelling pad, the thickness of multi-disc levelling pad can not also wait, no longer superfluous here in flat grooves State.

In some embodiments of the invention, often between two neighboring tower segments 20, the upper surface of levelling pad 272 with Height between the upper surface of tower segments 20 of side is not less than 10mm.Thus, it is possible to make viscous between two neighboring tower segments 20 The thickness connecing layer is not less than 10mm such that it is able to can ensure that the bonding strength between two neighboring tower segments 20.

In embodiments of the present invention, often between two neighboring tower segments 20 in addition to needing leveling, due to two tower segments Prestressed pore passage 261 on 20 also will be correspondingly arranged, and also needs to position, it is to avoid after installing dislocation between therefore two tower segments 20 Presstressed reinforcing steel 4 cannot wear.

In certain embodiments, as shown in Fig. 5 and Fig. 6, Figure 21 and Figure 22, between two often adjacent tower segments 20, its In tower segments 20 be provided with detent 263, another tower segments 20 be provided with for insertion be engaged to detent 263 Interior locating dowel 265.So setting it is ensured that between often adjacent two tower segments 20 rigging position correct it is ensured that subsequent operation Can be smoothed out.

Wherein, as shown in Fig. 5 and Figure 21, between two often adjacent assembling tower segments 21, one of assembling tower segments 21 are provided with detent 263, and another assembling tower segments 21 is provided with the positioning being engaged in detent 263 for insertion Post 265.

Wherein, as shown in Fig. 6 and Figure 22, between two often adjacent domain tower segments 22, one of domain tower segments 22 are provided with detent 263, and another domain tower segments 22 is provided with the positioning being engaged in detent 263 for insertion Post 265.

Between adjacent assembling tower segments 21 and domain tower segments 22, one of them is provided with detent 263, another Individual being provided with is engaged to locating dowel 265 in detent 263 for insertion.

Specifically, as shown in figure 13, locating dowel 265 includes thread segment 2651 and starting taper section 2652, and thread segment 2651 sets There is external screw thread, the cross-sectional area of starting taper section 2652 is gradually reduced on the direction away from thread segment 2651, as shown in figure 14, positioning Groove 263 is formed as the shape being adapted with starting taper section 2652.Locating dowel 265 is equivalent to positioning starting taper, it is possible to use head Starting taper section 2652 completes to position work, and the starting taper section 2652 of cone barrel can make positioning more convenient.

Alternatively, as shown in Figure 13 and Figure 18, the top of each tower segments 20 is equipped with pre-buried positioning screw 264, fixed Position post 265 is threaded on positioning screw 264, and when tower 1000 is built, hanging apparatus can be threaded connection with positioning screw To lift tower segments 20 on 264, the size of positioning screw 264 depends on tower and lifts weight.

In certain embodiments, as shown in Figure 13 and Figure 18, positioning screw 264 includes head 2641 and bar portion 2642, head 2641 is located at the top of bar portion 2642, and head 2641 is formed as cylindrical shape and is provided with female thread, the portion of bar portion 2642 The larger of fragmented cross section.The bar portion 2642 of positioning screw 264 is formed as the shape of common bolt, with increase and its The contact area of the concrete around tower segments 20 being located, improves the bonding strength of positioning screw 264.Certainly, positioning screw 264 bar portion 2642 can also be formed as other shapes, for example, can be formed as T-shaped or L-shaped etc., specifically not limit here System.

In certain embodiments, as shown in Figure 12 and Figure 18, it is equipped with pre- in the prestressed pore passage 261 of each tower segments 20 Stress sleeve 281, the upper end of each prestressing force sleeve 281 is higher than the upper end of corresponding prestressed pore passage 261, such as Figure 14 and Figure 17 Shown, the lower end of each prestressing force sleeve 281 is less than the lower end of corresponding prestressed pore passage 261, so that being located at prestressing force sleeve The prestressed pore passage 261 of 281 bottom forms location hole 262.

As shown in Fig. 5, Fig. 6 and Figure 21 and Figure 22, it is equipped with, in two neighboring tower segments 20, the prestress hole running through height Road 261, is equipped with prestressing force sleeve 281 in the prestressed pore passage 261 of tower segments 20, prestressing force sleeve 281 is used for wearing pre- answering Power muscle 4, to improve the bonding strength between two neighboring tower segments 20 it is possible to the structure improving whole domain tower segments 22 is strong Degree and stability.Wherein, in two often adjacent tower segments 20, prestressing force sleeve 281 in underlying tower segments 20 Upper end coordinates in the location hole 262 in tower segments 20 above.

Thus, in two neighboring tower segments 20 when the tower segments 20 by top are lifted in the tower segments 20 of lower section, lead to Cross the tower segments up by the upper end cooperation of the prestressing force sleeve 281 in the tower segments 20 of lower section in two neighboring tower segments 20 In location hole 262 in 20, it is easy to the prestressing force sleeve 281 in the tower segments 20 of lower section in two neighboring tower segments 20 and top The prestressing force sleeve 281 of tower segments 20 between accurately and rapidly linking it is ensured that later stage presstressed reinforcing steel 4 wear smoothly and Can ensure that the final molding quality of domain tower segments 22.

Wherein, the upper surface of prestressing force sleeve 281 is consistently higher than the upper surface of tack coat.Thus, it is possible to prevent adhesive linkage Blocking prestressing force sleeve 281 upper port it is ensured that between two neighboring tower segments 20 connect smoothness.

Alternatively, the shape of location hole 262 can be formed as cone barrel, and the cross section of location hole 262 is from bottom to top Direction on be gradually reduced.Thus, facilitate upper end and the cooperation of corresponding location hole 262 of prestressing force sleeve 281, can improve Locating speed and cooperation speed.

Need to illustrate here, the tower body 2 of the present invention is by multiple tower segments 20 in the vertical direction successively It is formed by connecting, wherein, in above-mentioned two neighboring tower segments 20, the tower segments 20 of lower section can refer to neighbouring two tower segments 20 In underlying tower segments 20, the tower segments 20 of above-mentioned top can refer to above in neighbouring two tower segments 20 Tower segments 20.

In an embodiment of the present invention, the tower segments 20 of the lowermost end of tower body 2 are when being attached on tower barrel base 1 Need to position, the tower segments 20 of lowermost end can be using the prestressed pore passage 261 in tower segments 20 and the prestressing force on tower barrel base 1 Duct 13 is positioned.

Specifically, as shown in figure 23, the assembling tower segments 21 of lowermost end can be positioned by location guide 5, and location guide 5 can Through the prestressed pore passage 261 in the assembling tower segments 21 of lowermost end and the prestressed pore passage 13 on tower barrel base 1.

Reinforcing bar is used as a example location guide 5, can first multiple location guides 5 be respectively interposed in assembling tower segments 21 Prestressed pore passage 261 in, then by assembling tower segments 21 be lifted on tower barrel base 1, make multiple location guides 5 lower end insert Enter in multiple prestressed pore passages 13 corresponding on tower barrel base 1, thus completing the positioning of the assembling tower segments 21 of lowermost end.

The tower segments 20 of lowermost end can be positioned by four location guides 5, and circumferentially end face center line is equal for four location guides 5 Even arrangement.Certainly, also it is not exclusively by the location guide 5 of six or other quantity in the present invention to position.

Often after the docking of two neighboring tower segments 20 in addition it is also necessary to (not shown) auxiliary of joint template to complete horizontal joint last Finishing.Specifically, two neighboring tower segments 20 need annular exterior sheathing in seam crossing.

Wherein, in two often adjacent tower segments 20, before the mud of tack coat is laid on the tower segments 20 by lower section, will The outside of annular exterior sheathing tower segments placed below 20,

The inner surface of seam crossing annular exterior sheathing is coplanar with tower segments 20 outer surface, and the height of annular exterior sheathing is 20mm, The thickness of annular exterior sheathing is 20mm, and inside annular exterior sheathing, mud is smeared in the upper surface of the tower segments 20 in lower section.

In two adjacent tower segments 20, joint template is set merely on outer side so that above tower segments 20 be lifted under Side tower segments 20 on after, mud be squeezed backward tower segments 20 medial surface flowing.And the operation platform of tower body 2 is located at Joint template between the inner side of tower body 2, so two adjacent tower segments 20 of setting, can facilitate workman floating in inner side Seam, enables the filling mud that seam crossing is uniform, closely knit.

This annular exterior sheathing can be made up of flexible foam, it is to avoid using any timber, steel or other rigid material, from And be beneficial to mud and outwards enrich seam.

In addition, the seam crossing between tower barrel base 1 and assembling tower segments 21 needs outside the annular inner template of setting and annular Template, annular inner template and annular exterior sheathing are located at the top surface of tower barrel base 1, apart from bottom outer surface 50mm, the high 30mm of template, Wide 30mm.It is filled with liquid mud between two templates.Annular inner template herein and annular exterior sheathing can adopt timber or rubber Glue makes.

Need the principle that tack coat is set similar and two often adjacent tower segments between, often adjacent in assembling tower segments 21 Two tower pieces 211 between be also required to binder courses.

In some embodiments of the invention, as shown in figure 9, each tower piece 211 be respectively provided with adjacent with other tower pieces 211 Connecting side wall 2111, is often spaced apart between the connecting side wall 2111 of two adjacent tower pieces 211.As illustrated in figures 19 and 20, often It is provided with two retaining pieces 251, two retaining pieces 251 are in tower 1000 between the connecting side wall 2111 of two adjacent tower pieces 211 Be radially spaced apart, limit the grouting gap of all round closure between two retaining pieces 251 and the connecting side wall 2111 of both sides 252, grouting is filled with grouting material to form binder courses in gap 252.

Specifically, between the neighbouring connecting side wall 2111 of one of two retaining pieces 251, the inner of gap is arranged, two The outer end setting in another gap between connecting side wall 2111 in retaining piece 251, from there through two barriers of setting The inner in gap between connecting side wall 2111 and outer end can be closed by part 251, thus limiting the grouting of interior outer closure Gap 252.

Wherein, grouting gap 252 is used for grouting mortar, when in irrigating mortar to above-mentioned grouting gap 252, by two The barrier effect of individual retaining piece 251, can prevent the mortar being in the milk in gap 252 from inwardly or outwardly overflowing, such that it is able to prevent Spillage is it is ensured that the sealing of grouting, it is ensured that bonding strength between multiple tower piece 211, improves the molding matter of assembling tower segments 21 Amount.It should be noted that " interior " refers to the direction at the center of neighbouring assembling tower segments 21, " outward " refers to away from assembling tower segments 21 Center direction.

Tower 1000 for wind-driven generator according to embodiments of the present invention, by two tower pieces being connected to each other Two retaining pieces 251 are set between 211 connecting side wall 2111 to limit the grouting gap 252 of interior outer closure, solve and pour The problem building the spillage easily occurring during the assembling tower segments 21 with vertical joint, complex procedures is it is ensured that prefabricated tower piece 211 exists Pouring quality at vertical joint it is ensured that the sealing of grouting, such that it is able to improve the Forming Quality of assembling tower segments 21.

Specifically, the width s scope in the gap limiting between the connecting side wall 2111 of two tower pieces 211 being connected with each other For 5mm-20mm, the width s in such as this gap can be 10mm.Thus, facilitate the connection between tower piece 211, and make above-mentioned Gap size s be suitable to place retaining piece 251, can ensure that the bonding strength between tower piece 211 simultaneously.By adjustment each other The distance between connected connecting side wall 2111 of two tower pieces 211 can make the width s in above-mentioned gap be located at the scope setting Interior.It is to be understood that the width in gap refers between two connecting side walls 2111 being connected with each other in assembling tower segments 21 Circumferential direction on size.

In Figure 19 and Figure 20, limit two above-mentioned gaps between two semicircular tower pieces 211, set in each gap There are two retaining pieces 251.The inner setting in one of two retaining pieces 251 in each gap this gap neighbouring, two every Another outer end setting adjacent to this gap in block piece 251, thus limit two grouting gaps 252 of interior outer closure.By This, can prevent be in the milk gap 252 in mortar inwardly or outwardly overflow, such that it is able to mortar leakage prevention it is ensured that grouting sealing Property it is ensured that bonding strength between multiple tower piece 211, improve the Forming Quality of assembling tower segments 21.Alternatively, retaining piece 251 Can be tabular or cylindrical tube, the cross section of certain retaining piece 251 can need arbitrarily to arrange according to practice of construction.

In certain embodiments, as Figure 9-Figure 11, the connecting side wall 2111 of each tower piece 211 is equipped with vertically Two locating slots 235 that direction extends, two locating slots 235 are respectively adjacent to the outer edge setting of tower piece 211.As Figure 20 institute Show, two locating slots 235 on the connecting side wall 2111 of two being connected with each other tower piece 211 are relative respectively, each retaining piece 251 Cooperation on the connecting side wall 2111 of two tower pieces 211 being connected with each other relative to two locating slots 235 in.Thus, by inciting somebody to action Each retaining piece 251 coordinates in the space that two relative locating slots 235 are limited, and can be positioned retaining piece 251, Prevent retaining piece 251 mobile.And the setting of locating slot 235 increases the receiving space of retaining piece 251, such as two tower pieces Between 211 connecting side wall 2111, gap width S is 10mm, and after locating slot 235 setting, the diameter d of retaining piece 251 can be set to 20mm or larger diameter, so, the intensity of retaining piece 251 can be ensured, it is to avoid in grouting, retaining piece 251 ruptures, leaks The problems such as slurry.

Alternatively, the floor projection of locating slot 235 is triangle, rectangle or arc.

Specifically, as Figure 9-Figure 11, locating slot 235 insertion tower piece 211 along the vertical direction, retaining piece 251 and tower piece 211 is contour.

In some embodiments of the invention, with reference to Fig. 9 and Figure 10, the connecting side wall of two being connected with each other tower piece 211 One of 2111 are provided with groutnick 253, and one end of groutnick 253 is located at two positioning of the tower piece 211 at its place Between groove 235, the other end of groutnick 253 runs through the outside wall surface of tower piece 211, is used for connecting grouting spray at groutnick 253 Penetrate pipe.Thus, when being in the milk to grouting gap 252, by above-mentioned groutnick 253, grouting gap 252 can be carried out Grouting is so that grouting is convenient.

Alternatively, groutnick 253 is formed as rectangular channel, and the depth of groutnick 253 is more than the depth of locating slot 235.

Further, with reference to Fig. 9, groutnick 253 can be adjacent to the setting of the lower end of tower piece 211.Thus, conveniently from bottom Being in the milk in grouting gap 252, thus simplifying working procedure, and sealing property and grouting efficiency can be improved it is ensured that phase Bonding strength between adjacent tower piece 211.

In some embodiments of the invention, as Figure 9-Figure 11, the connecting side wall 2111 of each tower piece 211 is all provided with There are multiple enhancing grooves 241, multiple enhancing grooves 241 are each provided between corresponding two retaining pieces 251.Each strengthens groove 241 shape can be rectangle, and the multiple enhancing grooves 241 on each connecting side wall 2111 are along between the short transverse of tower piece 211 Two locating slots being located on this connecting side wall 2111 every the multiple enhancing grooves 241 in setting, and each connecting side wall 2111 Between 235.Thus, when being in the milk in the grouting gap 252 between two tower pieces 211, by connecting side wall 2111 Above-mentioned multiple enhancing groove 241 is set, and mud can enrich in multiple enhancing grooves 241, after mud hardening forms binder courses, knot Close, between layer and tower piece 211, there are multiple concavo-convex faying faces.Thus, it is possible to increase the mortar in grouting gap 252 and connecting side The contact area of wall 2111, thus strengthen the bonding strength between two tower pieces 211.

In one particular embodiment of the present invention, as shown in Figure 10, along multiple enhancings of tower piece 211 short transverse arrangement In groove 241, towards ft connection, this enhancing groove 241 constitutes groutnick to the enhancing groove 241 of closest tower piece 211 bottom 253.That is, during groutnick 253 processing, only need to be by the enhancing groove 241 of above-mentioned closest tower piece 211 bottom to extension Stretch and run through the outside wall surface of tower piece 211, processing is simple.

In some embodiments of the invention, as shown in figure 9, between two often adjacent tower pieces 211, one of tower piece 211 connecting side wall 2111 is provided with connecting hole 231, and another tower piece 211 is provided with insertion and is engaged to the vertical of connecting hole 231 Seam connecting post 232.So arrange, using the teaching of the invention it is possible to provide effectively connection, and simplify construction technology, improve efficiency of construction.

Specifically, multiple vertical joints can be provided with one in two connecting side walls 2111 of each tower piece 211 connect Post 232, another in two connecting side walls 2111 of each tower piece 211 can be provided with and multiple vertical joint connecting posts The connecting holes 231 of 232 cooperations, connecting hole 231 is horizontally extending, multiple vertical joint connecting posts 232 along the vertical direction between It is spaced apart, multiple connecting hole 231 interval settings along the vertical direction.Thus, when being attached two tower pieces 211, multiple Connection between tower piece 211 is more firm.

Specifically, the connecting side wall 2111 of another tower piece 211 above-mentioned is provided with screwed hole 2331, vertical joint connecting post 232 are threaded in screwed hole 2331.That is, between adjacent two tower pieces 211, the company of one of tower piece 211 Connect side wall 2111 and be provided with connecting hole 231, the connecting side wall 2111 of another tower piece 211 is provided with screwed hole 2331, vertically connects When mounted, one end of vertical joint connecting post 232 is first threaded in the tower piece being threaded hole 2331 to seam connecting post 232 On 211, then in two tower piece 211 docking, then the other end of vertical joint connecting post 232 is plugged on connecting hole On 231 tower piece 211.It is appreciated that connecting hole 231 is unthreaded hole, can directly vertically be connect with external force during two tower piece 211 docking Seam connecting post 232 is inserted in connecting hole 231.

Alternatively, vertical joint connecting post 232 is vertically uniformly arranged, according to stressing conditions vertical joint connecting post 232 Quantity be 10～15, connecting hole 231 and screwed hole 2331 consistent with the quantity of vertical joint connecting post 232.

Alternatively, vertical joint connecting post 232 can be made by connecting reinforcing bar, and the one end connecting reinforcing bar processes energy after screw thread Enough it is connected on screwed hole 2331, needing during connection to apply moment of torsion is 80～120N m, to ensure connection reliability.

In certain embodiments, as shown in Figure 10 and Figure 11, it is provided with pre-buried company in another above-mentioned tower piece 211 Extension bar 233, the end of connecting rod 233 is opened wide towards corresponding connecting side wall 2111 to form screwed hole 2331.Connecting rod 233 is optional With metalwork, so, the connection reliability between vertical joint connecting post 232 and tower piece 211 can be improved.

Alternatively, as shown in Figure 10, connecting rod 233 is L-shaped, so, can increase water in tower piece 211 for the connecting rod 233 Horizontal stress, when vertical joint connecting post 232 is subject to outside pulling force, connecting rod 233 can pull vertical joint connecting post 232, thus improving the connection reliability between vertical joint connecting post 232 and tower piece 211 further.

In addition, in two often adjacent tower pieces 211, being embedded with branch sleeve 234 in another tower piece 211 above-mentioned, connect Sleeve 234 opens wide towards the connecting side wall 2111 that it is located to form connecting hole 231.

In the example of Figure 19, assembling tower segments 21 include two end to end tower pieces 211 each other, each tower piece 211 It is semicircle.Each tower piece 211 has two connecting side walls 2111, pre- on a connecting side wall 2111 of each tower piece 211 It is embedded with above-mentioned branch sleeve 234, the connecting side wall 2111 of another tower piece 211 is embedded with above-mentioned connecting rod 233, connecting rod 233 is L-shaped, and one end of vertical joint connecting post 232 screws in the head of connecting rod 233 and the another of vertical joint connecting post 232 End is inserted in corresponding branch sleeve 234.Thus, it is possible to ensure the bonding strength between multiple tower pieces 211.

In addition, when being in the milk in gap 252 of being in the milk, between mortar can flow between connecting rod 233 and branch sleeve 234 In gap, such that it is able to make connecting rod 233 more firmly be connected with branch sleeve 234, further strengthen multiple tower pieces 211 it Between bonding strength.

Here, vertical joint connecting post 232 is threaded in connecting rod 233, and vertical joint connecting post 232 is non-pre-buried Part.

If it should be noted that vertical joint connecting post is arranged to built-in fitting, vertical joint connecting post generally shifts to an earlier date Nuzzle in tower die in advance, vertical joint connecting post is accomplished by pouring with tower piece simultaneously.But because vertical joint connecting post needs Project tower piece concrete, be connected with other tower pieces it is therefore desirable on mould corresponding aperture.And perforate in closed mold Complex process, the problems such as be also also easy to produce spillage, affects prefabricated components quality in casting process.Do so, also can make difference Operation during tower piece assembly and connection becomes complicated, and the seal that is in the milk is poor.

Therefore in the embodiment of the present invention, for the problems referred to above of vertical joint connecting post 232, only pre-buried connecting rod is proposed 233 and branch sleeve 234 it is not necessary to perforate on mould, vertical joint connecting post 232 is installed after the demoulding again.Meanwhile, in assembling When connecting different tower piece 211, design levelling device, vertical joint pipe, using bottom grouting method, thus simplifying working procedure, carry High sealing performance and grouting efficiency are it is ensured that bonding strength.

In certain embodiments, as shown in Figure 7 and Figure 8, adaptor 3 includes upper flange 31, chassis 32 and vertically connects wall 33, Chassis 32 is formed as disc, and upper flange 31 is again formed as disc, upper flange 31 and the setting of chassis 32 parallel concentric, vertically connects Wall 33 is connected between upper flange 31 and the outward flange on chassis 32, vertically connects wall 33 and is formed as annular wall, adaptor 3 is integrally formed For cylindrical shape or cone barrel.Wherein, when the section of outline of upper flange 31 and chassis 32 is equal, adaptor 3 is integrally formed into Cylindrical shape.When the section of outline area on chassis 32 is more than the section of outline area of upper flange 31, vertically connects wall 33 and form profile The taper that cross section is gradually reduced upwards, adaptor 3 is integrally formed into taper barrel.Wherein, upper flange 31 is provided with flange hole 35, for fixing the head of blower fan, or it is used for fixing support rack, the head of blower fan is fixed on bracing frame.Set on chassis 32 There is prestressed pore passage 34, for fixing the presstressed reinforcing steel 4 in tower 1000.

In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time The orientation of instruction such as pin ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship be based on orientation shown in the drawings or Position relationship, is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple " are meant that two Individual or two or more.

In describing the invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be machinery Connect or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be two elements Internal connection or the interaction relationship of two elements.For the ordinary skill in the art, can be with concrete condition Understand above-mentioned term concrete meaning in the present invention.

In the description of this specification, the description of reference term " embodiment ", " example " etc. mean with reference to this embodiment or The specific features of example description, structure, material or feature are contained at least one embodiment or the example of the present invention.At this In description, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, description concrete Feature, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not Multiple changes, modification, replacement and modification can be carried out to these embodiments in the case of the principle of the disengaging present invention and objective, this The scope of invention is limited by claim and its equivalent.

Claims

1. a kind of tower for wind-driven generator is it is characterised in that include：

Tower barrel base, at least a portion of described tower barrel base is arranged on below ground；

Tower body, described tower body is xoncrete structure, and it is many that described tower body includes being sequentially connected along the vertical direction Individual tower segments, the plurality of tower segments include at least one assembling tower segments and at least one domain tower segments, described assembling Tower segments are located on described tower barrel base, and described domain tower segments are located in described assembling tower segments, each described domain tower The integrally formed annular element of Duan Junwei, each described assembling tower segments all includes circumferentially end to end multiple tower piece successively, Each described tower piece is respectively provided with the connecting side wall adjacent with other tower pieces, often between the connecting side wall of adjacent two described tower pieces It is spaced apart and is provided with two retaining pieces, described two retaining pieces are radially spaced apart described tower, described two retaining pieces Limit the grouting gap of all round closure and the described connecting side wall of both sides between, be filled with described grouting gap grouting material with Form binder courses；

Adaptor, described adaptor is metalwork, and described adaptor is located at the top of described tower body.

2. the tower for wind-driven generator according to claim 1 is it is characterised in that the described company of each described tower piece Connect and vertically extending two locating slot is equipped with the wall of side, described two locating slots are respectively adjacent to the inside and outside of described tower piece Edge is arranged, two described locating slots on the connecting side wall of two being connected with each other described tower piece respectively relatively, described in each Retaining piece cooperation on the connecting side wall of the described tower piece of two being connected with each other relative to two described locating slots in.

3. the tower for wind-driven generator according to claim 1 is it is characterised in that the floor projection of described locating slot For triangle, rectangle or arc.

4. assembling tower segments according to claim 1 are it is characterised in that described retaining piece is tabular or cylindrical tube.

5. assembling tower segments according to claim 1 are it is characterised in that the connecting side of two described tower pieces being connected with each other One of wall is provided with groutnick, and described groutnick runs through the outside wall surface of described tower piece.

6. the tower for wind-driven generator according to any one of claim 1-5 is it is characterised in that often adjacent two Between individual described tower piece, the connecting side wall of one of tower piece is provided with connecting hole, and another tower piece is provided with insertion and is engaged to The vertical joint connecting post of described connecting hole.

7. assembling tower segments according to claim 6 are it is characterised in that the connecting side wall of another tower piece described is provided with Screwed hole, described vertical joint connecting post is threaded in described screw thread in the hole.

8. assembling tower segments according to claim 7 are it is characterised in that be provided with pre-buried connection in another tower piece described Bar, the end of described connecting rod is opened wide towards accordingly described connecting side wall to form described screwed hole.

9. assembling tower segments according to claim 8 are it is characterised in that described connecting rod is L-shaped.

10. the assembling tower segments according to any one of claim 1-5 are it is characterised in that described in each described tower piece Multiple enhancing grooves are equipped with connecting side wall, the plurality of enhancing groove is each provided at accordingly between described two retaining pieces.