CN222208163U - A reinforced wind turbine tower - Google Patents
A reinforced wind turbine tower Download PDFInfo
- Publication number
- CN222208163U CN222208163U CN202421075273.8U CN202421075273U CN222208163U CN 222208163 U CN222208163 U CN 222208163U CN 202421075273 U CN202421075273 U CN 202421075273U CN 222208163 U CN222208163 U CN 222208163U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 93
- 230000002787 reinforcement Effects 0.000 claims description 26
- 230000007704 transition Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Wind Motors (AREA)
Abstract
The utility model provides a reinforced wind power tower drum, which comprises a tower drum body and a tower drum reinforcing assembly, wherein the tower drum reinforcing assembly comprises a middle-upper reinforcing sleeve, a bottom reinforcing sleeve, reinforcing rings and at least two prestressed cables which are arranged at intervals along the circumferential direction of the tower drum body, the middle-upper reinforcing sleeve and the bottom reinforcing sleeve are tightly sleeved on the tower drum body, the middle-upper reinforcing sleeve is positioned above the bottom reinforcing sleeve, the reinforcing rings are tightly sleeved on the middle-upper reinforcing sleeve, and the prestressed cables are connected between the reinforcing rings and the bottom reinforcing sleeve in a stretching mode. The utility model has the advantages of avoiding buckling damage of the tower body, ensuring the bearing capacity of the tower and the like.
Description
Technical Field
The utility model relates to the field of wind power tower reinforcement, in particular to a reinforced wind power tower.
Background
In recent years, with the development of wind power projects, the requirements for the generating efficiency of a fan are increased, which means that the width, the height and the weight of a unit are increased, and a wind power tower mainly plays a role in supporting and absorbing the vibration of the unit in the wind power generator unit, is also a weak point of damage of the unit, and in order to prolong the whole service life of the wind power generator, the requirements for the bearing capacity of the tower are continuously improved.
In order to solve the problems, the existing tower reinforcement mode adopts a flexible or rigid reinforcement mode, and the existing reinforcement mode adopts targeted measures to different stress conditions of the tower position, so that the tower is poor in bearing capacity and low in service life. Meanwhile, after the tower drum is reinforced, the stress of the tower drum may change and a new weak point is generated, the bearing capacity of the tower drum cannot be increased to the greatest extent by the existing reinforcing mode, and if the connecting inhaul cable of the tower drum is subjected to larger transverse tensile stress, the generated new weak point causes poor reinforcing effect of the tower drum.
Disclosure of utility model
The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing the reinforced wind power tower which can prevent the buckling damage of the tower body and ensure the bearing capacity of the tower.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
The reinforced wind power tower drum comprises a tower drum body and a tower drum reinforcing assembly, wherein the tower drum reinforcing assembly comprises a middle-upper reinforcing sleeve, a bottom reinforcing sleeve, reinforcing rings and at least two prestressed cables which are arranged at intervals along the circumferential direction of the tower drum body, the middle-upper reinforcing sleeve and the bottom reinforcing sleeve are tightly sleeved on the tower drum body, the middle-upper reinforcing sleeve is positioned above the bottom reinforcing sleeve, the reinforcing rings are tightly sleeved on the middle-upper reinforcing sleeve, and the prestressed cables are connected between the reinforcing rings and the bottom reinforcing sleeve in a stretching mode.
As a further improvement of the above technical scheme:
The bottom reinforcing sleeve comprises a bottom sleeve and a bottom tray which are connected with each other, the prestress cable is connected with the bottom tray through a tension anchor, the tension anchor comprises a limiting installation piece, an anchor ring, a prestress clamping piece, an elastic anchor backing plate and an adjusting spring, the limiting installation piece is installed on the bottom tray, the prestress cable is positioned on the limiting installation piece through the prestress clamping piece and the anchor ring in a tensioning limit mode, the elastic anchor backing plate is arranged between the anchor ring and the limiting installation piece, and the adjusting spring is arranged between the elastic anchor backing plate and the limiting installation piece.
The limiting mounting piece comprises a mounting base, a mounting frame and a limiting block, wherein the mounting base is connected with the bottom tray, the mounting frame is arranged on the mounting base, the limiting block is arranged at the upper frame position of the mounting frame, a containing cavity is formed in the middle of the mounting frame, the bottom end of the prestress inhaul cable penetrates through the limiting block and is arranged in the containing cavity, and the anchor ring clamps the bottom end part of the prestress inhaul cable through the prestress clamping piece and is in limiting fit with the limiting block.
The limiting block is provided with an elastic piece mounting groove, the elastic anchor backing plate comprises a step limiting section, a conical transition section and a small-diameter mounting section which are sequentially connected, the step limiting section is positioned at the end part of the limiting block under the acting force of the anchor ring, the small-diameter mounting section and the conical transition section are positioned in the elastic piece mounting groove, and the adjusting spring is sleeved on the small-diameter mounting section.
The limiting block is provided with a conical part for increasing the tension and compression bearing capacity of the tension part of the prestressed inhaul cable.
The bottom sleeve comprises two semi-annular sleeves and an adjusting assembly arranged between the two semi-annular sleeves, the adjusting assembly comprises a plurality of bolt adjusting parts which are axially arranged at intervals along the adjusting sleeve, each bolt adjusting part comprises an adjusting bolt, two adjusting nuts and two limiting protrusions, the two limiting protrusions are respectively arranged on the corresponding semi-annular sleeves, the adjusting bolts penetrate through the two limiting protrusions, and the two adjusting nuts are in threaded connection with the two ends of the adjusting bolts and are in limiting fit with the limiting protrusions.
The bottom sleeve comprises a plurality of tower barrel sections axially arranged along the tower barrel body, and the tower barrel section at the bottommost end is provided with a door opening through hole which is correspondingly arranged with the door opening of the tower barrel body.
The middle-upper reinforcing sleeve comprises an adjusting sleeve with an opening and adjusting binding wires for ensuring the fit between the adjusting sleeve and the tower body, wherein limiting annular gaps with the same number as the adjusting binding wires are formed in the outer surface of the adjusting sleeve along the axial direction, and the adjusting binding wires are arranged in the corresponding limiting annular gaps.
The inside of the reinforcing ring is provided with a plurality of reinforcing ribs, a plurality of reinforcing ribs are arranged along the circumferential direction of the tower body, and two ends of adjacent reinforcing ribs are connected with each other and are respectively arranged on the reinforcing ring and the tower body.
The prestress inhaul cable is hinged to the reinforcing ring through a hinge block.
Compared with the prior art, the utility model has the advantages that:
The utility model can set the reinforcement mode of the combination of rigid reinforcement and flexible reinforcement according to the stress conditions of different positions of the tower body. The utility model particularly discloses a bottom reinforcing sleeve arranged at the bottom of the tower body with the largest stress bending moment so as to increase the bearing capacity of the bottom of the tower by adopting a rigid reinforcing mode for increasing the cross section of a member. Meanwhile, when the prestressed cable is arranged and the middle upper part of the tower barrel generates weak points, a middle upper part reinforcing sleeve is arranged in the middle upper part area of the tower barrel body, a reinforcing ring is arranged outside the middle upper part reinforcing sleeve and is connected with the prestressed cable, the arrangement of the middle upper part reinforcing sleeve effectively improves the bearing capacity of the middle upper part of the tower barrel, the arrangement of the reinforcing ring effectively disperses the acting force of the prestressed cable on the tower barrel body to the middle area of the tower barrel body, and effectively avoids the problem that the prestressed cable and the tower barrel body are directly contacted with excessive transverse tensile stress, namely, the middle upper part of the tower barrel body adopts a reinforcing mode of combination of rigid reinforcing and flexible reinforcing, thereby ensuring the bearing capacity of the tower barrel and effectively prolonging the service life of the tower barrel while avoiding the buckling damage of the middle upper part of the tower barrel body.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a schematic view of the structure of a reinforced wind power tower of the present utility model.
FIG. 2 is a schematic illustration of the relationship between the prestressed cable and the tension anchor of the present utility model.
Fig. 3 is a cross-sectional view of the tension anchor of the present utility model.
FIG. 4 is a schematic illustration of the cooperation of the pre-stressing cable and the upper and middle reinforcement sleeve of the present utility model.
Fig. 5 is a schematic view of the structure of the bottom reinforcing sleeve of the present utility model.
The reference numerals in the drawings denote:
1. The tower body, 2, tower reinforcing components, 21, middle and upper reinforcing sleeves, 211, adjusting sleeves, 212, adjusting binding wires, 22, reinforcing rings, 221, reinforcing ribs, 23, bottom reinforcing sleeves, 231, bottom sleeves, 2311, semi-annular sleeves, 2312, adjusting bolts, 2313, adjusting nuts, 2314, limit protrusions, 2315, tower sections, 2316, door opening through holes, 232, bottom trays, 24, prestress guys, 3, tension anchors, 31, limit installation pieces, 311, installation bases, 312, installation frames, 313, limit blocks, 3131, elastic piece installation grooves, 3132, tapered parts, 314, accommodating cavities, 32, anchor rings, 33, prestress clamping pieces, 34, elastic anchor base plates, 341, step limit sections, 342, small-diameter installation sections, 343, tapered transition sections, 35, adjusting springs and 4, hinging blocks.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and the specific examples, which are not intended to limit the scope of the utility model.
As shown in fig. 1 to 5, the reinforced wind power tower of the present embodiment includes a tower body 1 and a tower reinforcing member 2. In this embodiment, the tower reinforcement assembly 2 includes an upper middle reinforcement sleeve 21, a lower reinforcement sleeve 23, a reinforcement ring 22 and prestressed cables 24, wherein the upper middle reinforcement sleeve 21 and the lower reinforcement sleeve 23 are both tightly sleeved on the tower body 1, the lower reinforcement sleeve 23 is disposed at the bottom end of the tower body 1, the upper middle reinforcement sleeve 21 is disposed above the lower reinforcement sleeve 23 to improve the bearing capacity of the tower body 1, the reinforcement ring 22 is tightly sleeved on the upper middle reinforcement sleeve 21, the prestressed cables 24 are connected between the reinforcement ring 22 and the lower reinforcement sleeve 23 in a stretching manner, at least two prestressed cables 24 are provided, and the prestressed cables 24 are circumferentially spaced along the tower body 1.
The utility model can set the reinforcement mode of the combination of rigid reinforcement and flexible reinforcement according to the stress conditions of different positions of the tower body 1. Specifically, a bottom reinforcing sleeve 23 is arranged at the bottom of the tower cylinder body 1 with the largest stress bending moment so as to increase the bearing capacity of the bottom of the tower cylinder by adopting a rigid reinforcing mode for increasing the cross section of the component. Meanwhile, when the prestress cable 24 is arranged and the middle upper part of the tower barrel generates weak points, the middle upper part of the tower barrel body 1 is provided with the middle upper reinforcing sleeve 21, the middle upper reinforcing sleeve 21 is provided with the reinforcing ring 22, the reinforcing ring 22 is connected with the prestress cable 24, the arrangement of the middle upper reinforcing sleeve 21 effectively improves the bearing capacity of the middle upper part of the tower barrel, the arrangement of the reinforcing ring 22 effectively distributes the acting force of the prestress cable 24 on the tower barrel body 1 to the middle area of the tower barrel body 1, the problem that the transverse tensile stress of the prestress cable 24 and the tower barrel body 1 is overlarge is effectively avoided, namely, the middle upper part of the tower barrel body 1 adopts a reinforcing mode of rigid reinforcing and flexible reinforcing combination, the buckling failure of the middle upper part of the tower barrel body 1 is reduced, and the service life of the tower barrel is effectively prolonged.
As shown in fig. 2 and 3, the bottom reinforcing sleeve 23 includes a bottom sleeve 231 and a bottom tray 232. The bottom tray 232 is connected with external components (such as foundation), the bottom sleeve 231 is installed on the upper end surface of the bottom tray 232, and the pre-stress inhaul cable 24 is connected with the bottom tray 232 through the tension anchor 3.
In this embodiment, the tension anchor 3 comprises a limit mount 31, an anchor ring 32, a pre-stressing clip 33, an elastic anchor pad 34 and an adjustment spring 35. The limiting mounting piece 31 is mounted on the bottom tray 232, the anchor ring 32 is sleeved on the bottom end portion of the prestress cable 24, the prestress clamping piece 33 is arranged in the anchor ring 32 and clamps the prestress cable 24, and the prestress cable 24 is limited on the limiting mounting piece 31 through tensioning of the prestress clamping piece 33 and the anchor ring 32, so that reliable limiting of the prestress cable 24 is achieved, and the prestress cable limiting device is compact in structure and small in occupied space.
Meanwhile, the elastic anchor backing plate 34 is arranged between the anchor ring 32 and the limiting mounting piece 31, and the adjusting spring 35 is arranged between the elastic anchor backing plate 34 and the limiting mounting piece 31. The arrangement of the elastic anchor backing plate 34 and the adjusting spring 35 increases the limiting distance between the anchor ring 32 and the limiting mounting piece 31, so that the prestress inhaul cable 24 has stretching and shrinking spaces, and therefore the swinging space of the wind power tower is provided. And the elastic anchor backing plate 34 and the adjusting spring 35 are combined, so that the wind power tower can be effectively damped when the wind power tower is subjected to shaking and swinging under different wind forces, namely, when the tower body 1 swings, the prestress inhaul cable 24 transmits acting force to the adjusting spring 35 and the elastic anchor backing plate 34, at the moment, the adjusting spring 35 and the elastic anchor backing plate 34 generate elastic deformation, and the elastic acting force reacts to the prestress inhaul cable 24, so that the swinging of the tower body 1 is controlled. When one elastic component of the adjusting spring 35 and the elastic anchor backing plate 34 reaches the maximum compression, the other elastic component can continuously provide elastic acting force, so that the vibration of the tower body 1 can be effectively relieved when the tower body swings greatly, and the use safety of the wind power tower is improved.
Preferably, the limit mount 31 includes a mounting base 311, a mounting frame 312, and a limit block 313. The mounting base 311 is connected with the bottom tray 232 through bolts, and after the mounting base 311 is mounted, cement can be poured to be flush with the upper surface of the mounting base 311, so that the bearing capacity of the wind power tower is further improved. Meanwhile, the mounting frame 312 is mounted on the mounting base 311, a containing cavity 314 is formed in the middle of the mounting frame 312, a limiting block 313 is arranged at the upper frame position of the mounting frame 312, the bottom end of the prestress cable 24 passes through the limiting block 313 and is placed in the containing cavity 314, the anchor ring 32 is located in the containing cavity 314, the anchor ring 32 clamps the bottom end of the prestress cable 24 through the prestress clamping piece 33, and the anchor ring 32 is in limiting fit with the limiting block 313 under the acting force of the prestress cable 24.
The accommodating cavity 314 provides a reserved placing space for the jack to stretch the prestressed cable 24, the tail end of the prestressed cable 24 is positioned in the accommodating cavity 314, and the prestressed cable 24 is tensioned and limited by the stretching anchor 3 in the accommodating cavity 314. The ingenious arrangement of the mounting frame 312 and the limiting block 313 ensures that the prestress inhaul cable 24 is reliably tensioned, and meanwhile, the mounting is convenient and the occupied space is small. Meanwhile, the limiting mounting piece 31 is divided and arranged according to the functions of mounting and fixing the bottom reinforcing sleeve 23 and tensioning and limiting the prestressed inhaul cable 24, so that the use and maintenance of all functional components are facilitated.
In other embodiments, the limiting mounting member 31 may also adopt a structure capable of ensuring effective tensioning and limiting of the prestressed cable 24 and reliable mounting of the tower body 1, such as a jack direct tensioning or a reel tensioning manner, but the conventional structure cannot realize the above-mentioned advantages of the present embodiment.
In this embodiment, the mounting base 311 is an i-shaped mounting base to improve the strength of the limiting mounting member 31. After the limit mounting piece 31 is mounted, cement is poured to be flush with the upper surface of the I-shaped mounting base 311, so that the bearing capacity of the wind power tower is further improved, and the safe and reliable operation of the wind power tower is ensured. In other embodiments, the mounting base 311 may be configured to provide for efficient mounting of the bottom reinforcing sleeve 23.
More preferably, the stopper 313 is provided with an elastic member mounting groove 3131, and the elastic anchor pad 34 includes a step stopper section 341, a tapered transition section 343, and a small diameter mounting section 342 connected in this order. The step limiting section 341 is limited at the end of the limiting block 313 under the acting force of the anchor ring 32, so that the prestress guy cable 24 is effectively tensioned and limited, the small-diameter mounting section 342 and the conical transition section 343 are positioned in the elastic piece mounting groove 3131, and the adjusting spring 35 is sleeved on the small-diameter mounting section 342 to reliably limit and mount the adjusting spring 35. The device ensures that the prestress inhaul cable 24 is effectively tensioned and limited, and simultaneously enables the elastic anchor backing plate 34 and the adjusting spring 35 to be reasonably and effectively distributed when combined, and the device is compact in structure and small in occupied space.
In this embodiment, the top end of the pre-stress cable 24 is hinged to the reinforcing ring 22 by the hinge block 4 to form a flexible connection, so as to control the deflection change of the upper middle part of the tower and reduce the buckling damage of the upper middle part of the tower body 1. In this embodiment, the prestressed cable 24 is a prestressed steel strand. The number of the prestressed steel strands can be determined according to the load of the wind power tower.
In this embodiment, the stopper 313 is provided with a tapered portion 3132. When the pre-stress inhaul cable 24 swings, the tapered portion 3132 can increase the tension bearing capacity of the tensioning position of the pre-stress inhaul cable 24, and the purpose of buffering vibration is achieved.
As shown in fig. 5, the bottom sleeve 231 includes two semi-annular sleeves 2311 and two adjustment assemblies disposed between the two semi-annular sleeves 2311. The adjusting assembly comprises a plurality of bolt adjusting parts, the bolt adjusting parts are arranged at intervals along the axial direction of the adjusting sleeve 211, the bolt adjusting parts comprise adjusting bolts 2312, two adjusting nuts 2313 and two limiting protrusions 2314, the two limiting protrusions 2314 are respectively arranged on the corresponding semi-annular sleeves 2311, the adjusting bolts 2312 penetrate through the two limiting protrusions 2314, and the two adjusting nuts 2313 are in threaded connection with two end parts of the adjusting bolts 2312 and are in limiting fit with the limiting protrusions 2314. It makes the flexible adjustment of bottom sleeve 231 according to the size of tower section of thick bamboo body 1, and its regulation is convenient, simple structure.
Further, the bottom sleeve 231 includes a plurality of tower segments 2315, and the plurality of tower segments 2315 are arranged along the axial direction of the tower body 1 for easy installation and maintenance. Meanwhile, a door opening through hole 2316 corresponding to the door opening of the tower body 1 is formed in the tower section 2315 at the bottommost end, so that personnel can conveniently enter the tower body 1. In this embodiment, adjacent tower sections 2315 are fixedly connected by applying epoxy, or in other embodiments, threaded connections, etc. may be used.
As shown in fig. 4, the middle upper reinforcing sleeve 21 includes an adjustment sleeve 211 and an adjustment binding wire 212. The adjusting sleeve 211 is provided with an opening, a plurality of limiting annular slits are formed in the outer surface of the adjusting sleeve 211 along the axial direction, the limiting annular slits are identical to the adjusting binding wires 212 in number, the adjusting binding wires 212 are arranged in the corresponding limiting annular slits, the opening of the adjusting sleeve 211 is adjusted through tightness adjustment of the adjusting binding wires 212, the adjusting sleeve 211 is tightly held with the tower body 1 in an effective adhesion mode, and the bearing capacity of the upper portion in the tower is guaranteed. Further, to ensure connection reliability, the contact surface of the adjustment sleeve 211 and the tower body 1 may be reinforced by a weld.
In this embodiment, a plurality of reinforcing ribs 221 are provided inside the reinforcing ring 22. The plurality of reinforcing ribs 221 are arranged along the circumferential direction of the tower body 1, two ends of adjacent reinforcing ribs 221 are connected with each other and are respectively arranged on the reinforcing ring 22 and the tower body 1, so that the supporting strength of the reinforcing ring 22 is improved, and reliable and effective connection with the prestressed cable 24 is ensured.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. The reinforced wind power tower drum comprises a tower drum body and a tower drum reinforcing assembly, and is characterized by comprising a middle-upper reinforcing sleeve, a bottom reinforcing sleeve, reinforcing rings and at least two prestress cables which are arranged at intervals along the circumferential direction of the tower drum body, wherein the middle-upper reinforcing sleeve and the bottom reinforcing sleeve are tightly sleeved on the tower drum body, the middle-upper reinforcing sleeve is positioned above the bottom reinforcing sleeve, the reinforcing rings are tightly sleeved on the middle-upper reinforcing sleeve, and the prestress cables are connected between the reinforcing rings and the bottom reinforcing sleeve in a stretching mode.
2. The reinforced wind power tower according to claim 1, wherein the bottom reinforcement sleeve comprises a bottom sleeve and a bottom tray which are connected with each other, the prestressed cable is connected with the bottom tray through a tension anchor, the tension anchor comprises a limit mounting piece, an anchor ring, a prestressed clamping piece, an elastic anchor backing plate and an adjusting spring, the limit mounting piece is mounted on the bottom tray, the prestressed cable is limited on the limit mounting piece through the prestressed clamping piece and the anchor ring in a tensioning manner, the elastic anchor backing plate is arranged between the anchor ring and the limit mounting piece, and the adjusting spring is arranged between the elastic anchor backing plate and the limit mounting piece.
3. The reinforced wind power tower according to claim 2, wherein the limit mounting piece comprises a mounting base connected with the bottom tray, a mounting frame arranged on the mounting base and a limit block arranged on the upper frame of the mounting frame, wherein a containing cavity is formed in the middle of the mounting frame, the bottom end of the prestress inhaul cable penetrates through the limit block and is arranged in the containing cavity, and the anchor ring clamps the bottom end part of the prestress inhaul cable through the prestress clamping piece and is in limit fit with the limit block.
4. The reinforced wind power tower according to claim 3, wherein the limiting block is provided with an elastic piece mounting groove, the elastic anchor backing plate comprises a step limiting section, a conical transition section and a small-diameter mounting section which are sequentially connected, the step limiting section is positioned at the end part of the limiting block under the acting force of the anchor ring, the small-diameter mounting section and the conical transition section are positioned in the elastic piece mounting groove, and the adjusting spring is sleeved on the small-diameter mounting section.
5. A reinforced wind power tower according to claim 3, wherein the limit block is provided with a conical portion for increasing the tension-compression bearing capacity of the prestressed cable tension part.
6. The reinforced wind power tower according to any one of claims 2 to 5, wherein the bottom sleeve comprises two semi-annular sleeves and an adjusting assembly arranged between the two semi-annular sleeves, the adjusting assembly comprises a plurality of bolt adjusting parts which are axially arranged at intervals along the semi-annular sleeves, each bolt adjusting part comprises an adjusting bolt, two adjusting nuts and two limiting protrusions, the two limiting protrusions are respectively arranged on the corresponding semi-annular sleeves, the adjusting bolts penetrate through the two limiting protrusions, and the two adjusting nuts are in threaded connection with two end parts of the adjusting bolts and are in limiting fit with the limiting protrusions.
7. The reinforced wind power tower of claim 6, wherein the bottom sleeve comprises a plurality of tower segments axially disposed along the tower body, the tower segments at the bottom end having door opening through holes disposed corresponding to the door openings of the tower body.
8. The reinforced wind power tower according to any one of claims 1 to 5, wherein the middle-upper reinforcing sleeve comprises an adjusting sleeve with an opening and adjusting binding wires for ensuring the fitting of the adjusting sleeve and the tower body, the outer surface of the adjusting sleeve along the axial direction is provided with limiting annular slits with the same number as the adjusting binding wires, and the adjusting binding wires are arranged in the corresponding limiting annular slits.
9. The reinforced wind power tower according to any one of claims 1 to 5, wherein a plurality of reinforcing ribs are provided inside the reinforcing ring, the plurality of reinforcing ribs are arranged along the circumferential direction of the tower body, and both ends of adjacent reinforcing ribs are connected to each other and are respectively mounted to the reinforcing ring and the tower body.
10. The reinforced wind power tower of any of claims 1-5, wherein the pre-stressing cables are hinged to the reinforcement ring by hinge blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421075273.8U CN222208163U (en) | 2024-05-17 | 2024-05-17 | A reinforced wind turbine tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421075273.8U CN222208163U (en) | 2024-05-17 | 2024-05-17 | A reinforced wind turbine tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222208163U true CN222208163U (en) | 2024-12-20 |
Family
ID=93855582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421075273.8U Active CN222208163U (en) | 2024-05-17 | 2024-05-17 | A reinforced wind turbine tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222208163U (en) |
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2024
- 2024-05-17 CN CN202421075273.8U patent/CN222208163U/en active Active
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