CN106640539A - Tower tube for wind-driven power generator - Google Patents

Abstract

The invention discloses a tower tube for a wind-driven power generator. The tower tube comprises a tower tube foundation, a tower tube body and an adapter. The tower tube body is of a concrete structure, and the tower tube body comprises a plurality of tower tube sections which are sequentially connected from the top to the bottom; the plurality of tower tube sections comprise at least one assembled tower tube section and at least one whole-ring tower tube section; the assembled tower tube section is arranged on the tower tube foundation, and the whole-ring tower tube section is arranged on the assembled type tower tube section; each assembled tower tube section comprises a plurality of tower pieces which are sequentially connected in an end-to-end manner in the peripheral direction; and each whole-ring tower tube section is an integrally molded annular component. A gluing layer is arranged between every two adjacent tower tube sections, a plurality of leveling washers are arranged at the tops of the tower tube sections located at the lower parts, and the plurality of leveling washers are arranged around the centers of the tower tube sections in a staggered manner. The adapter is arranged at the top of the tower tube body. According to the tower tube, leveling is easy, and the construction efficiency is increased; and the adjacent tower tube sections are effectively connected, so that abut joint precision is improved.

Description

For the tower of wind-driven generator

Technical field

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

Background technology

With the increase of power generation efficiency, fan blade is increasingly longer, the height of matching blower fan tower barrel and cuts 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 conditions, single heavy in section tower is often formed by multi-disc arc tube piece Assembling.So Afterwards by assembling after single tower lift successively from lower to upper, be finally built into complete concrete tower.

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

In addition, in concrete towers barrel structure assembling process disclosed in correlation technique, the level of single tower and other towers Seam connection faces the problems such as merging precision is poor, leveling is difficult, grouting is difficult, and complex procedures, low construction efficiency.

The content of the invention

The application is based on technical problem present in solution prior art.For this purpose, it is contemplated that proposing that one kind is used for The tower of wind-driven generator, tower leveling at tower segments horizontal joint is easy, high precision.

Tower for wind-driven generator according to embodiments of the present invention, including：Tower barrel base, the tower barrel base is extremely A few part is arranged on below ground；Tower body, the tower body is xoncrete structure, and the tower body is included 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 whole Ring tower segments, the assembling tower segments are located on the tower barrel base, and the domain tower segments are located in the assembling tower segments, Each described assembling tower segments includes circumferentially end to end multiple tower pieces successively, and each described domain tower segments is one Body formed annular element, is provided with tack coat, wherein the underlying tower segments between every two adjacent tower segments Top be provided with multiple levelling pads, multiple levelling pads are spaced apart around the center of the tower segments and arrange；Adapter, institute It is metalwork to state adapter, and the adapter is located at the top of the tower body.

Tower for wind-driven generator according to embodiments of the present invention, by levelling pad come leveling tower segments, simplifies Construction technology, improves efficiency of construction, effectively connection between adjacent tower segments is made, so as to improve merging precision.

In certain embodiments, in per two adjacent tower segments, set at the top of the underlying tower segments There are multiple leveling grooves, the levelling pad is located in the leveling groove.

In certain embodiments, the depth of the leveling groove is 5mm, and the width of the leveling groove is located less than it Tower segments radial width half, the length of the leveling groove is 1.5 times of the radial width of its tower segments being located, Wherein, the radial width of the tower segments is equal to the outer radius of the tower segments and the difference of inside radius.

In certain embodiments, the shape and area of the levelling pad is consistent with the leveling groove that it is located, The thickness of the levelling pad is 0.5mm, 1mm, 2mm, 5mm or 10mm.

In certain embodiments, four levelling pads, four leveling pads are provided with each described leveling groove The thickness of piece can be with identical or different.

In certain embodiments, between per two adjacent tower segments, one of them described tower segments is provided with fixed Position groove, another described tower segments are provided with the locating dowel being engaged to for insertion in the detent.

In certain embodiments, the locating dowel includes thread segment and starting taper section, and the thread segment is provided with external screw thread, institute The cross-sectional area for stating starting taper section is gradually reduced on the direction away from the thread segment, and the detent is formed as being led with described The shape that cone section is adapted.

In certain embodiments, pre-buried positioning screw, the locating dowel spiral shell are equipped with the top of each described tower segments Line is connected on the positioning screw, and when tower is built, hanging apparatus can be threaded connection with the positioning screw with erection tower Cylinder section.

In certain embodiments, the positioning screw includes head and bar portion, and the head is located at the top of the bar portion, The head is formed as cylindrical shape and is provided with internal thread, the larger of the segment section cross section of the bar portion.

In certain embodiments, the prestressed pore passage of insertion along the vertical direction is equipped with each described tower segments, it is described The presstressed reinforcing steel that tower also includes through the prestressed pore passage and is connected to tower diverse location.

In certain embodiments, the bottom of the presstressed reinforcing steel connects the tower barrel base, and the tower barrel base is provided with The prestressed pore passage of the correspondence presstressed reinforcing steel, when tower is built, the assembling tower segments of lowermost end are positioned by location guide, The location guide may pass through the prestressed pore passage on prestressed pore passage and tower barrel base in the assembling tower segments of lowermost end.

In certain embodiments, prestressing force sleeve is equipped with the prestressed pore passage of each tower segments, each The upper end of the prestressing force sleeve is higher than the upper end of the corresponding prestressed pore passage, and the lower end of each prestressing force sleeve is low In the lower end of the corresponding prestressed pore passage so that the prestressed pore passage positioned at the bottom of the prestressing force sleeve forms positioning Hole, in every two adjacent tower segments, the upper end of the prestressing force sleeve in the underlying tower segments coordinates In the location hole in the tower segments above.

The additional aspect and advantage of the present invention 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.

Description of the drawings

The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment It is 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 schematic diagram of tower according to embodiments of the present invention in tower barrel base Yu 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 stereogram of adapter according to embodiments of the present invention；

Fig. 8 is the vertical cross-section schematic diagram of adapter 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 circles show enlarged drawing at A；

Figure 11 is that Fig. 9 centre circles show enlarged drawing at B；

Figure 12 is that Fig. 9 centre circles show enlarged drawing at C；

Figure 13 is that Fig. 9 centre circles show enlarged drawing at D；

Figure 14 is that Fig. 9 centre circles show 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 circles show enlarged drawing at F；

Figure 18 is that Figure 16 centre circles show 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 circles show enlarged drawing at J；

Figure 21 is that Fig. 5 centre circles show enlarged drawing at H；

Figure 22 is that Fig. 6 centre circles show 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,

The leveling groove 14 on prestressed pore passage 13, tower barrel base in connected unit 12, 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 pole 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, location hole 262 in tower segments, 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,

Adapter 3, upper flange 31, chassis 32, the prestressed pore passage 34 vertically connected on wall 33, 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 the embodiment is shown in the drawings, wherein from start to finish Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.

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

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

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

Wherein, at least a portion of tower barrel base 1 is arranged on the lower section on ground 2000, that is to say, that the one of tower barrel base 1 Underground is partially buried in, or tower barrel base 1 is all embedded in underground.Tower barrel base 1 is used to support 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.Adapter 3 is located at tower The top of cylinder body 2, adapter 3 is metalwork, and adapter 3 can be formed as the cylindricality tubular consistent with the shape of tower body 2 Shape.Wind-driven generator includes blower fan (not shown), and the head of blower fan can be directly anchored on adapter 3, the head of blower fan Can also be fixed on adapter 3 by bracing frame.

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

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 operating personnel, for example presstressed reinforcing steel 4 can be carried out in the bottom of tower 1000 The operations such as drawing, anchoring.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 cylinder, 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 to the inner side of pedestal 11 inclines, so as to form an inclined-plane.Preferably, connected unit 12 can with the one of pedestal 11 into Type, thus moulding process is simple, can save assembly process.Connected unit 12 can be made up with pedestal 11 of concrete.

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, the insertion of prestressed pore passage 13 connects 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 includes circumferentially end to end multiple tower pieces 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 is into cylinder, are conducive to drop Low transport and difficulty of construction, and timely leveling when building at the beginning of being conducive to the bottom of tower 1000, and by the tower on 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, the total height of tower 1000 requires to be 80～140 meters, tower 1000 Suitable for the wind-driven generator of 1.5MW, 2MW, 2.5MW, 3MW, 3.5MW or 5MW.Tens are 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 the structure of whole tower 1000 The key of reliability.

In tall and big wind-driven generator tower building, if tower adopts steel construction tower, tower high cost.But If tower adopt whole concrete structure tower, due to xoncrete structure tensile strength it is relatively low the characteristics of, when atop a tower load-bearing Greatly, when moment of torsion is also very big, the easy conquassation in part of tower top connecting fan head, fragmentation.And will be in the embodiment of the present invention The top of tower 1000 arranges metal adapter 3, and adapter 3 is lightweight, good toughness, with good ductility and stronger whole Body, with remarkable anti-seismic performance, so as to the security of tower 1000 is ensured.

In for 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 The cross sectional dimensions of tower body 2 is identical on direction, 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 Sectional dimension of the sectional dimension of cylinder section 21 more than domain tower segments 22.

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

And for the tower segments 20 of the different cross section size of tower 1000 in the embodiment of the present invention, using different prefabricated sides Formula, i.e., for the tower segments 20 of bottom heavy in section size, take burst prefabricated and Assembling into cylinder mode, and for top The tower segments 20 of small cross-sectional size, it is directly pre-formed in precast plant, then transport to on-site hoisting and install, so as to simplify construction Flow process, it is ensured that construction quality.So operate, both met the demand of the partition machining of bottom heavy in section size tower segments 20, reduce again The working procedure of top small bore tower segments 20, 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 20 bursts of section are prefabricated and Assembling is into cylinder, and the domain of top tower segments 20 of tower body 2 is prefabricated, is conducive to tower 1000 to tie Structure leveling is constructed, and the burst of large scale tower segments 20 is prefabricated in the structure of taper tower 1000 is readily transported, lifts, small size The domain of tower segments 20 is prefabricated to be reduced construction cost, improves efficiency of construction.Adapter 3 is set on the top of tower 1000, can be born The larger weight of blower fan head and moment of torsion, so as to ensure the security 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, assemble each tower piece 211 in tower segments 21 and be arc tower piece 211, so as to convenient processing.It is concrete at some In embodiment, each assembling tower segments 21 includes two tower pieces 211, and the central angle of each tower piece 211 is 180 degree, two The docking of tower piece 211 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 The seam of tower piece 211 in tower segments 21 staggers setting.

It is understood that assembling tower segments 21 in the seam crossing impact resistance of tower piece 211 and shock resistance compared with other positions Put that place is weak, and the seam of tower piece 211 in two neighboring assembling tower segments 21 is staggered setting in the circumference of tower body 2, that Two adjacent tower pieces 211 contact with a tower piece 211 of its either above or below in per layer of assembling tower segments 21, assemble Tower segments 21 are strengthened in the constraint that the seam crossing of tower piece 211 is subject to, so as to improve the structural reliability of assembling tower segments 21.

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

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

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 be adopted in the Description of Drawings embodiment of the present invention.

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

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

The tensile force of presstressed reinforcing steel 4 links into an integrated entity each tower segments 20 of tower body 2, and possesses tension, resists 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 , less than the quantity of tower segments 20 of the connection of the second presstressed reinforcing steel 42, the first presstressed reinforcing steel 41 is in tower for the quantity of tower segments 20 of connection Connection height of the connection height on 1000 less than the second presstressed reinforcing steel 42 on tower body 2.That is, tower body 2 It is divided into two level tensionings.

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

It should be noted that stretch-draw prestressing force mostly is the structure shape of only total length tensioning in the tower disclosed in correlation technique 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 security need careful consideration, and for total length tensioning again after subsection tension, due to tensioning layer It is secondary more, construct loaded down with trivial details, and unrealized optimized design.

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

Specifically, presstressed reinforcing steel 4 adopts prestressed strand, prestressed strand lower end to be fixed on tower barrel base in tower 1000 In 1, the packet of prestressed strand upper end is fixed on the upper surface of the upper surface of the first prestressing force section 1001 and 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 The domain tower segments 22 of top are sequentially connected to, the first presstressed reinforcing steel 41 connects successively upwards from the assembling tower segments 21 of the bottom It is connected at the 3/5～4/5 of the height of tower 1000.

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

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

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

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

Concrete body, is provided with 10 groups of presstressed reinforcing steels, 4,10 groups of presstressed reinforcing steels 4 along the circumferential etc. of tower 1000 in tower 1000 It is spaced apart.Wherein, per group includes four presstressed reinforcing steels 4, has three in four presstressed reinforcing steels 4 for the first presstressed reinforcing steel 41, has One is the second presstressed reinforcing steel 42.

Wherein, the bottom of each presstressed reinforcing steel 4 is both connected on tower barrel base 1 in 10 groups of presstressed reinforcing steels 4,10 groups of prestressing force In muscle 4, per group in the top of the second presstressed reinforcing steel 42 be connected on adapter 3, per group in the top of the first presstressed reinforcing steel 41 connect It is connected in the domain tower segments 22 at the 3/5-4/5 of the height of tower 1000.

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

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

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

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

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

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

It should be noted that built according to tower requiring, need to arrange tack coat between every two adjacent tower segments.This It is same reason to build with house, can not possibly only by the direct storehouse of brick when building a house, in addition it is also necessary to cement is built between brick, with Sealing will be bonded as one and ensured between each brick.Therefore in the embodiment of the present invention, uniformly, densely filled out by adhesive linkage In the horizontal joint filled between adjacent tower segments 20, it is ensured that the bonding strength between adjacent tower segments 20, it is ensured that tower 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, one section of tower segments 20 is often built, the tower segments 20 are required for leveling again, is protected It is horizontal positioned to demonstrate,prove each tower segments 20, 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 every two adjacent tower segments 20, underlying tower The top of cylinder section 20 is provided with multiple levelling pads 272, and multiple levelling pads 272 are opened up around the center interval of the tower segments 20 Put.Thus, by the multiple levelling pads 272 for arranging, and the upper surface of multiple levelling pads 272 is adjusted into high to same level After degree, then the tower segments 20 of top are lifted to the top of the tower segments 20 of lower section, the bottom of top tower segments 20 can be made straight Connect and be supported on the upper surface of multiple levelling pads 272, low position is got up with levelling pad 272, thus reach The purpose of leveling.

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

Wherein, ensure that thixotroping mortar or epoxy resin should not be sticky with the upper surface of levelling pad 272 when sprawling tack coat, Avoid affecting the flatness of multiple levelling pads 272.In addition, levelling pad 272 is preferably steel disc, so as to ensure top tower Section 20 is when being placed in multiple levelling pads 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, improves efficiency of construction, effectively connection between adjacent tower segments 20 is made, so as to improve merging precision.

In certain embodiments, as shown in Fig. 5, Fig. 6 and Figure 21 and Figure 22, in every two 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 for facilitating levelling pad 272 is fixed, and multiple levelling pads 272 can be made to be positioned at the position of setting, can be conveniently 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 Circumferential uniform intervals distribution, so ensure that multiple levelling pads 272 can well be fixed, positioned.

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 Less than the half of radial width n of the tower segments 20 at its place, length w2 of leveling groove 271 is its institute to 271 width w1 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 the tower segments 20 With the difference of inside radius.In addition, the width center line of leveling groove 271 is located at the tower segments 20 dividing equally on center line, That is, leveling groove 271 is equal with the internal perisporium of the tower segments 20 and the distance of periphery wall.So arrange, both can protect Card levelling effect, and the contact area between levelling pad 272 and tower segments 20 can be increased so that its tower segments 20 being located Smoothly it is placed in the top of tower segments 20, moreover it is possible to which maximum limits the structural strength for ensureing tower segments 20 at leveling groove 271.

Advantageously, the shape and area of levelling pad 272 is 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, four levelling pads 272, the thickness of four levelling pads 272 are provided with each leveling groove 271 Degree can be with 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 are put along circumferentially-spaced the opening up of tower barrel base 1, each tune A piece of or multi-disc levelling pad is provided with flat grooves, the thickness of multi-disc levelling pad can not also be waited, no longer gone to live in the household of one's in-laws on getting married here State.

In some embodiments of the invention, between per two neighboring tower segments 20, the upper surface of levelling pad 272 is with Height between the upper surface of the 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 for 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, between every 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, therefore positioning is also needed between two tower segments 20, it is to avoid after installing dislocation Presstressed reinforcing steel 4 cannot wear.

In certain embodiments, as shown in Fig. 5 and Fig. 6, Figure 21 and Figure 22, between every two adjacent tower segments 20, its In a 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 arrange, it is ensured that rigging position is correct between per two adjacent tower segments 20, it is ensured that subsequent operation Can be smoothed out.

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

Wherein, as shown in Fig. 6 and Figure 22, between every two 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 to for insertion in detent 263 Post 265.

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

Specifically, as shown in figure 13, locating dowel 265 includes thread segment 2651 and starting taper section 2652, sets on thread segment 2651 The cross-sectional area for having external screw thread, 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 be such that positioning more facilitates.

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 internal 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 the tower segments 20 at place, 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., and concrete limit is not made here System.

In certain embodiments, as shown in Figure 12 and Figure 18, it is equipped with the prestressed pore passage 261 of each tower segments 20 pre- Stress sleeve 281, the upper end of each prestressing force sleeve 281 higher than corresponding prestressed pore passage 261 upper end, 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 as to be 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, the prestress hole through height is equipped with two neighboring tower segments 20 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 to wear pre- answering Power muscle 4, to improve the bonding strength between two neighboring tower segments 20, it is possible to which the structure for improving whole domain tower segments 22 is strong Degree and stability.Wherein, in per two adjacent tower segments 20, the prestressing force sleeve 281 in underlying tower segments 20 Upper end coordinates in the location hole 262 in tower segments 20 above.

Thus, lead to when the tower segments 20 by top are lifted into the tower segments 20 of lower section in two neighboring tower segments 20 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 and top in two neighboring tower segments 20 Tower segments 20 prestressing force sleeve 281 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 The upper port of blocking prestressing force sleeve 281, it is ensured that the smoothness connected between two neighboring tower segments 20.

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

Need to illustrate here, the present invention tower body 2 be by multiple tower segments 20 in the vertical direction successively It is formed by connecting, wherein, the tower segments 20 of lower section can refer to neighbouring two tower segments 20 in above-mentioned two neighboring 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 Positioning, the tower segments 20 of lowermost end is needed to utilize prestressed pore passage 261 and the prestressing force on tower barrel base 1 in tower segments 20 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 Prestressed pore passage 13 through on the prestressed pore passage 261 and tower barrel base 1 in the assembling tower segments 21 of lowermost end.

As a example by location guide 5, first multiple location guides 5 can be respectively interposed in assembling tower segments 21 using using reinforcing bar Prestressed pore passage 261 in, then will assembling tower segments 21 be lifted on tower barrel base 1, make multiple location guides 5 lower end insert Enter on tower barrel base 1 in corresponding multiple prestressed pore passages 13, so as to complete 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 to position in the present invention.

After docking per two neighboring tower segments 20, in addition it is also necessary to which it is last that (not shown) auxiliary of joint template completes horizontal joint Finishing.Specifically, two neighboring tower segments 20 need annular exterior sheathing in seam crossing.

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

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

Joint template is set merely on outer side in two adjacent tower segments 20 so that the tower segments 20 of top are lifted into down 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 The inner side of tower body 2, so arranges the joint template between adjacent two tower segments 20, and workman can be facilitated floating in inner side Seam, enables the filling mud that seam crossing is uniform, closely knit.

The annular exterior sheathing can be made up of flexible foam, it is to avoid using any timber, steel or other rigid materials, 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 to arrange outside annular inner template 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.Liquid mud is filled between two templates.Annular inner template and annular exterior sheathing herein can be using timber or rubber Glue makes.

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

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

Specifically, in two retaining pieces 251 the inner setting in gap between the neighbouring connecting side wall 2111 of one, two The outer end in another gap between connecting side wall 2111 in retaining piece 251 is arranged, from there through two barriers for arranging Part 251 can be closed the inner and outer end in gap between connecting side wall 2111, so as to limit the grouting of interior outer closure Gap 252.

Wherein, gap 252 is in the milk for grouting mortar, when irrigating in 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, it is ensured that the sealing of grouting, it is ensured that the bonding strength between multiple tower pieces 211, improves the shaping 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 " is referred 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, are solved and is poured Build spillage, the problem of complex procedures easily occurred during the assembling tower segments 21 with vertical joint, 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 scopes in the gap limited 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 gap can be 10mm.Thus, facilitate the connection between tower piece 211, and cause above-mentioned Gap size s be suitable to place retaining piece 251, while can ensure that the bonding strength between tower piece 211.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 of setting It is interior.It is to be understood that the width in gap is referred 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, two above-mentioned gaps are limited between two semicircular tower pieces 211, set in each gap There are two retaining pieces 251.The inner setting in one in two retaining pieces 251 in each gap neighbouring gap, two every Another in block piece 251 is arranged adjacent to the outer end in the gap, so as to limit two grouting gaps 252 of interior outer closure.By This, can prevent the mortar being in the milk in gap 252 from inwardly or outwardly overflowing, such that it is able to mortar leakage prevention, it is ensured that the sealing of grouting Property, it is ensured that the bonding strength between multiple tower pieces 211, improves 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, it is equipped with vertically on the connecting side wall 2111 of each tower piece 211 Two locating slots 235 that direction extends, two locating slots 235 are respectively adjacent to the outer edge setting of tower piece 211.Such as Figure 20 institutes Show, two locating slots 235 on the connecting side wall 2111 of two for being connected with each other tower piece 211 are relative respectively, each retaining piece 251 In coordinating relative two locating slots 235 on the connecting side wall 2111 of two tower pieces 211 being connected with each other.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 from moving.And the setting of locating slot 235 increases the receiving space of retaining piece 251, such as two tower pieces Gap width S is 10mm between 211 connecting side wall 2111, and the diameter d of retaining piece 251 can be set to after the setting of locating slot 235 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, the insertion tower piece 211 along the vertical direction of locating slot 235, 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 for being connected with each other tower piece 211 One in 2111 is 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 is used for connection grouting spray through the outside wall surface of tower piece 211 at groutnick 253 Penetrate pipe.Thus, when being in the milk to gap 252 of being in the milk, can be carried out by 253 pairs of grouting gaps 252 of above-mentioned groutnick Grouting 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 arranged adjacent to the lower end of tower piece 211.Thus, it is convenient from bottom To being in the milk, gap 252 is in the milk, and so as to simplify working procedure, and can improve sealing property and grouting efficiency, it is ensured that phase Bonding strength between adjacent tower piece 211.

In some embodiments of the invention, as Figure 9-Figure 11, it is all provided with the connecting side wall 2111 of each tower piece 211 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 Every setting, and the multiple enhancing grooves 241 on each connecting side wall 2111 are located at two locating slots on the connecting side wall 2111 Between 235.When being in the milk in grouting gap 252 thus, between two tower pieces 211, by connecting side wall 2111 Above-mentioned multiple enhancing grooves 241 are set, and mud can be enriched in multiple enhancing grooves 241, and mud hardens to be formed after binder course, knot Close and have between layer and tower piece 211 multiple concavo-convex faying faces.Thus, it is possible to increase the mortar and connecting side in grouting gap 252 The contact area of wall 2111, so as to 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 the short transverse of tower piece 211 arrangement Towards ft connection, the enhancing groove 241 constitutes groutnick to the enhancing groove 241 of the closest bottom of tower piece 211 in groove 241 253.That is, groutnick 253 plus man-hour, only need to be by the enhancing groove 241 of the above-mentioned closest bottom of tower piece 211 to extension Stretch and through the outside wall surface of tower piece 211, processing is simple.

In some embodiments of the invention, as shown in figure 9, per between two 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 pole 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, one in two connecting side walls 2111 of each tower piece 211 on can be provided with the connection of multiple vertical joints Post 232, can be provided with and multiple vertical joint connecting poles on another in two connecting side walls 2111 of each tower piece 211 232 connecting holes 231 for coordinating, connecting hole 231 is horizontally extending, multiple vertical joint connecting poles 232 along the vertical direction between It is spaced apart, the interval setting along the vertical direction of multiple connecting holes 231.Thus, it is multiple when two tower pieces 211 are attached Connection between tower piece 211 is more firm.

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

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

Alternatively, vertical joint connecting pole 232 can be made up of connection reinforcing bar, and the one end for connecting reinforcing bar processes energy after screw thread Enough it is connected on screwed hole 2331, it is 80～120Nm to need to apply moment of torsion during connection, 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 to form screwed hole 2331 towards corresponding connecting side wall 2111.Connecting rod 233 is optional With metalwork, so, the connection reliability between vertical joint connecting pole 232 and tower piece 211 can be improved.

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

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

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 Above-mentioned branch sleeve 234 is embedded with, on the connecting side wall 2111 of another tower piece 211 above-mentioned connecting rod 233, connecting rod are embedded with 233 is L-shaped, and one end of vertical joint connecting pole 232 screws in the another of the head of connecting rod 233 and vertical joint connecting pole 232 In the corresponding branch sleeve 234 of end insertion.Thus, it is possible to ensure the bonding strength between multiple tower pieces 211.

In addition, in gap 252 of being in the milk during grouting, between mortar can be flowed 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 pole 232 is threaded in connecting rod 233, and vertical joint connecting pole 232 is non-pre-buried Part.

If it should be noted that vertical joint connecting pole is arranged into built-in fitting, vertical joint connecting pole generally shifts to an earlier date Nuzzle in advance in tower die, vertical joint connecting pole is accomplished by with tower piece while pouring.But because vertical joint connecting pole is needed Tower piece concrete is projected, to be connected with other tower pieces, it is therefore desirable to the corresponding aperture on mould.And perforate in closed mold Complex process, the problems such as be also also easy to produce spillage in casting process, affects prefabricated components quality.Do so, also can cause 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 pole 232, only pre-buried connecting rod is proposed 233 and branch sleeve 234, it is not necessary to the perforate on mould, vertical joint connecting pole 232 is installed again after the demoulding.Meanwhile, in assembling During connection difference tower piece 211, design levelling device, vertical joint pipe, using bottom grouting method, so as to simplify working procedure, are carried High sealing performance and grouting efficiency, it is ensured that bonding strength.

In certain embodiments, as shown in Figure 7 and Figure 8, adapter 3 is including 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, and upper flange 31 and the parallel concentric of chassis 32 are arranged, vertically connected Wall 33 is connected between the outward flange on upper flange 31 and chassis 32, is vertically connected wall 33 and is formed as annular wall, and adapter 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, adapter 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 Transversal to face upwards the taper being gradually reduced, adapter 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 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 the presstressed reinforcing steel 4 fixed in tower 1000.

In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " 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 indicates or imply that the device or element of indication must With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for 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 ", " connected ", " connection ", " fixation " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be machinery Connection, or electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two elements The connection of inside 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 to combine the embodiment or Specific features, structure, material or the feature that example is described is contained at least one embodiment of the present invention or example.At this In specification, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, description it is concrete Feature, structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.

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

Claims (12)

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

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

Tower body, the tower body is xoncrete structure, and the tower body is more including what is be 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, the assembling Tower segments are located on the tower barrel base, and the domain tower segments are located in the assembling tower segments, each described assembling tower Duan Jun includes circumferentially end to end multiple tower pieces successively, and each described domain tower segments is integrally formed annular element, Tack coat is provided between per two adjacent tower segments, wherein being provided with multiple tune at the top of the underlying tower segments Flat shim, multiple levelling pads are spaced apart around the center of the tower segments and arrange；

Adapter, the adapter is metalwork, and the adapter is located at the top of the tower body.

2. the tower for wind-driven generator according to claim 1, it is characterised in that per two adjacent towers Duan Zhong, is provided with multiple leveling grooves at the top of the underlying tower segments, the levelling pad is located at the leveling groove It is interior.

3. the tower for wind-driven generator according to claim 2, it is characterised in that the depth of the leveling groove is 5mm, the width of the leveling groove is less than the half of the radial width of the tower segments at its place, the length of the leveling groove For 1.5 times of the radial width of its tower segments being located, wherein, the radial width of the tower segments is equal to outer the half of the tower segments Footpath and the difference of inside radius.

4. the tower for wind-driven generator according to claim 2, it is characterised in that the shape of the levelling pad and Area is consistent with the leveling groove that it is located, and the thickness of the levelling pad is 0.5mm, 1mm, 2mm, 5mm or 10mm.

5. the tower for wind-driven generator according to claim 2, it is characterised in that set in each described leveling groove There are four levelling pads, the thickness of four levelling pads can be with identical or different.

6. the tower for wind-driven generator according to claim 1, it is characterised in that per two adjacent towers Between section, one of them described tower segments is provided with detent, and another described tower segments is provided with and is engaged to for insertion Locating dowel in the detent.

7. the tower for wind-driven generator according to claim 6, it is characterised in that the locating dowel includes thread segment With starting taper section, the thread segment is provided with external screw thread, and the cross-sectional area of the starting taper section is on the direction away from the thread segment It is gradually reduced, the detent is formed as the shape being adapted with the starting taper section.

8. the tower for wind-driven generator according to claim 6, it is characterised in that the top of each tower segments Pre-buried positioning screw is equipped with, the locating dowel is threaded on the positioning screw, the hanging apparatus when tower is built Can be threaded connection with the positioning screw to lift tower segments.

9. the tower for wind-driven generator according to claim 8, it is characterised in that the positioning screw includes head And bar portion, the head is located at the top of the bar portion, and the head is formed as cylindrical shape and is provided with internal thread, the bar portion The larger of segment section cross section.

10. the tower for wind-driven generator according to any one of claim 1-9, it is characterised in that described in each The prestressed pore passage of insertion along the vertical direction is equipped with tower segments, the tower also includes through the prestressed pore passage and company The presstressed reinforcing steel being connected between tower diverse location.

11. towers for wind-driven generator according to claim 10, it is characterised in that the bottom of the presstressed reinforcing steel Connect the tower barrel base, the tower barrel base is provided with the prestressed pore passage of the correspondence presstressed reinforcing steel, when tower is built, The assembling tower segments of lowermost end are positioned by location guide, and the location guide may pass through pre- in the assembling tower segments of lowermost end Prestressed pore passage on stress duct and tower barrel base.

12. towers for wind-driven generator according to claim 10, it is characterised in that the institute of each tower segments State and be equipped with prestressed pore passage prestressing force sleeve, the upper end of each prestressing force sleeve is higher than the corresponding prestress hole The upper end in road, the lower end of each prestressing force sleeve is less than the lower end of the corresponding prestressed pore passage so as to be located at described pre- The prestressed pore passage of the bottom of stress sleeve forms location hole,

In per two adjacent tower segments, the upper end of the prestressing force sleeve in the underlying tower segments coordinates In the location hole in the tower segments above.