CN115076039A - Wind power tower cylinder reinforcing device and assembling method - Google Patents
Wind power tower cylinder reinforcing device and assembling method Download PDFInfo
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- CN115076039A CN115076039A CN202210532598.3A CN202210532598A CN115076039A CN 115076039 A CN115076039 A CN 115076039A CN 202210532598 A CN202210532598 A CN 202210532598A CN 115076039 A CN115076039 A CN 115076039A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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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
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Abstract
The invention provides a wind power tower cylinder reinforcing device and an assembling method. The reinforcing device comprises a cylinder body reinforcing section and an end reinforcing section, wherein the cylinder body reinforcing section is arranged in the middle area of the inner side of the cylinder body of each section of the tower cylinder, so that maintenance gaps are reserved at two ends of each section of the tower cylinder; the end reinforcing section is arranged at the maintenance gap of each tower barrel, and two ends of the end reinforcing section are connected with the barrel body reinforcing section of the adjacent tower barrel so as to form a stress framework integrally stressed inside the tower barrel. The assembling method comprises the following steps: a barrel body reinforcing section is assembled in the tower barrel at the bottommost part; assembling an end reinforcing section at the upper end of the cylinder body reinforcing section, continuously assembling the cylinder body reinforcing section in the cylinder of the previous section, and connecting the bottom end of the cylinder body reinforcing section with the end reinforcing section at the lower side before assembling the cylinder body reinforcing section of the previous section; and repeating the previous step until the cylinder body reinforcing section is assembled to the topmost tower cylinder. The invention has the advantages of meeting the bearing and reinforcing requirements of the wind turbine, prolonging the service life of the tower barrel, improving the safety and reliability and the like.
Description
Technical Field
The invention relates to the field of wind power tower cylinder reinforcement, in particular to a wind power tower cylinder reinforcing device and an assembling method.
Background
Wind energy has been rapidly developed as a clean, safe and renewable green energy source, and a wind power tower barrel is used as a supporting structure of a wind turbine, and the bearing capacity of the wind power tower barrel is the basic guarantee for normal operation of the wind turbine. The existing wind turbine is easily affected by fatigue stress to cause bearing capacity reduction due to long-term wind load effect and the aging of a tower drum, and certain potential safety hazards exist. For solving the above problem, the existing mode is to support the tower drum by arranging an external reinforcing structure, but the existing reinforcing structure and the original tower drum cannot be synchronously stressed, the coordination and deformation capability is poor, and the effective reinforcement of the tower drum cannot be ensured.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wind turbine tower cylinder reinforcing device and an assembly method, which meet the bearing and reinforcing requirements of a wind turbine and improve the service life and the safety and reliability of a tower cylinder.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a wind power tower cylinder reinforcing device comprises a cylinder body reinforcing section and end reinforcing sections, wherein the cylinder body reinforcing section is arranged in the middle area of the inner side of the cylinder body of each section of tower cylinder, so that maintenance gaps which are convenient for maintenance of the connecting position of the tower cylinder are reserved at two ends of each section of tower cylinder; the end reinforcing section is arranged at the maintenance gap of each section of the tower drum, and two ends of the end reinforcing section are connected with the drum body reinforcing section of the adjacent tower drum so as to form a stress framework with integral stress inside the tower drum.
As a further improvement of the above technical solution:
the cylinder body reinforcing section comprises a reinforcing sleeve, a pouring reinforcing member and two annular sealing plates, and the reinforcing sleeve is arranged on the inner side of the tower cylinder; the two annular sealing plates are respectively arranged at two ends of the reinforcing sleeve and form a sealing cavity together with the reinforcing sleeve and the tower barrel; and the pouring reinforcing member is poured in the sealed cavity.
The reinforcing sleeve comprises a plurality of vertical segment sections which are axially arranged along the tower barrel and connecting and fixing sections which are connected with adjacent vertical segment sections, wherein the adjacent vertical segment sections are sleeved and fixed outside the connecting and fixing sections; the connecting and fixing section is fixedly connected with the tower barrel through a radial connecting rod.
The vertical subsection section is an annular corrugated plate; connect the canned paragraph include annular mounting panel, circumference interval arrange in the outer protruding cooperation portion of annular mounting panel and locate the strengthening rib in the boss cooperation portion, protruding cooperation portion with the ripple section adaptation of annular corrugated plate, the straightway of annular corrugated plate with annular mounting panel fixed connection, radial connecting rod locates on the protruding cooperation portion.
The annular corrugated plate comprises a plurality of arc-shaped corrugated plates which are arranged in a split mode, the arc-shaped corrugated plates are mutually overlapped and are fixedly connected through a plurality of fasteners arranged along the length directions of the arc-shaped corrugated plates, and the fastener positions are provided with vertical sealing strips.
The end reinforcing section comprises a plurality of connecting reinforcing pieces which are arranged at intervals along the circumferential direction of the reinforcing sleeve, and each connecting reinforcing piece comprises two L-shaped connecting rods; one ends of the two L-shaped connecting rods are connected with each other, and the other ends of the two L-shaped connecting rods are connected with the annular sealing plate on the corresponding side.
A bottom reinforcing section is connected between the cylinder body reinforcing section of the tower cylinder at the bottommost part and the ground, and comprises an L-shaped connecting rod; one end of the L-shaped connecting rod is connected with the ground, and the other end of the L-shaped connecting rod is connected with the annular sealing plate.
The inner wall of the tower barrel and the outer wall of the reinforcing sleeve are both provided with shear-resistant studs which are horizontally arranged, and the shear-resistant studs positioned on the tower barrel and the shear-resistant studs positioned on the reinforcing sleeve are staggered.
The assembling method of the wind power tower cylinder reinforcing device comprises the following steps:
1) a barrel body reinforcing section is assembled in the tower barrel at the bottommost part;
2) assembling an end reinforcing section at the upper end of the cylinder body reinforcing section, then continuously assembling the cylinder body reinforcing section in the tower cylinder of the previous section, and connecting the bottom end of the cylinder body reinforcing section with the end reinforcing section at the lower side before assembling the cylinder body reinforcing section of the previous section;
3) and repeating the step 2) until the barrel reinforcing section is assembled to the topmost tower barrel.
As a further improvement of the above technical solution:
in the step 1), before assembling the cylinder body reinforcing section of the tower cylinder at the bottommost part, the cylinder body reinforcing section is connected with the ground by adopting the bottom reinforcing section.
Compared with the prior art, the invention has the advantages that:
the wind power tower cylinder reinforcing device is provided with a cylinder body reinforcing section and an end reinforcing section, wherein the cylinder body reinforcing section is arranged in the middle area of the inner side of the cylinder body of each section of tower cylinder, so that maintenance gaps are reserved at two ends of each section of tower cylinder, and flanges at the connecting positions of the tower cylinders are convenient to maintain; the end reinforcing section is arranged at the maintenance gap of each tower barrel, and two ends of the end reinforcing section are connected with the barrel body reinforcing section of the adjacent tower barrel, so that a stress framework stressed integrally is formed inside the tower barrel.
According to the invention, the integrated reinforcing structure synchronously stressed with the tower drum is formed in the tower drum by adopting the mode that the drum body reinforcing section and the end reinforcing section are combined and connected with each other, so that the strength and the rigidity of the tower drum are greatly improved, the bearing and reinforcing requirements of a wind turbine are met, and the service life and the safety and reliability of the tower drum are improved; and the strength and rigidity of the tower barrel are improved, the wind turbine can be increased in section and height, and the power generation efficiency is further improved. Simultaneously, the setting of stack shell reinforcing section and tip reinforcing section is inside a tower section of thick bamboo, and occupies smallly, and it makes reinforced structure not influenced by tower section of thick bamboo external environment factor, can not influence the normal use of a tower section of thick bamboo, and easily construction can conveniently be consolidated construction to old fan and the fan in service. The assembling method of the wind power tower cylinder reinforcing device has the advantages of convenience in assembling and high efficiency.
Drawings
The invention 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 structural diagram of a wind tower according to the present invention.
FIG. 2 is a schematic structural view of a wind tower reinforcing apparatus of the present invention in a specific application.
Fig. 3 is a sectional view of section a-a of fig. 1.
Fig. 4 is an enlarged schematic view of a portion B of fig. 2.
FIG. 5 is a front cross-sectional view of a wind tower reinforcing apparatus of the present invention.
Fig. 6 is a schematic view of the position relationship between the vertical segment and the connecting and fixing segment according to the present invention.
Fig. 7 is an enlarged schematic view of the portion C of fig. 5.
Fig. 8 is a perspective view of the connecting and fastening segment of the present invention.
FIG. 9 is a schematic illustration of the positional relationship of the end reinforcing segment to the vertical segment of the present invention.
FIG. 10 is a schematic illustration of the positional relationship of the bottom reinforcing section to the vertical sub-section of the present invention.
FIG. 11 is a flow chart of an assembly method of the wind tower reinforcing apparatus of the present invention.
The reference numerals in the figures denote:
1. a barrel body reinforcing section; 11. reinforcing the sleeve; 111. a vertical segment; 1111. an annular corrugated plate; 112. connecting the fixed sections; 1121. an annular mounting plate; 1122. a boss fitting portion; 1123. reinforcing ribs; 113. a radial connecting rod; 114. a vertical sealing strip; 12. pouring a reinforcing member; 13. an annular seal plate; 14. sealing the cavity; 2. an end reinforcing section; 21. an L-shaped connecting rod; 3. a tower drum; 31. repairing the gap; 4. a bottom reinforcement section; 5. shear resistant studs; 6. grouting ports; 7. and a pulp overflow port.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples, without thereby limiting the scope of the invention.
As shown in fig. 1 to 10, the wind turbine tower reinforcing device of the present embodiment includes a barrel reinforcing section 1 and an end reinforcing section 2. Wherein, the barrel body reinforcing section 1 is arranged in the middle area of the inner side of the barrel body of each section of tower drum 3, so that maintenance gaps 31 are reserved at the two ends of each section of tower drum 3, and the flanges at the connecting positions of the tower drums 3 are convenient to maintain. The end reinforcing section 2 is arranged at the maintenance gap 31 of each tower barrel 3, and two ends of the end reinforcing section 2 are connected with the barrel body reinforcing section 1 of the adjacent tower barrel 3, so that a stress framework stressed integrally is formed inside the tower barrel 3.
According to the invention, the barrel body reinforcing section 1 and the end reinforcing section 2 are combined and connected with each other, so that an integral reinforcing structure synchronously stressed with the tower barrel 3 is formed in the tower barrel 3, the strength and rigidity of the tower barrel 3 are greatly improved, the bearing and reinforcing requirements of a wind turbine are met, and the service life and the safety and reliability of the tower barrel 3 are improved. And the strength and rigidity of the tower drum 3 are improved, the wind turbine can be increased in length and height, and the power generation efficiency is further improved. Simultaneously, the barrel body reinforcing section 1 and the tip reinforcing section 2 set up inside tower section of thick bamboo 3, and occupy smallly, and it makes reinforced structure not influenced by 3 external environment factors of tower section of thick bamboo, easily construction, can conveniently carry out the reinforcement construction to old fan and fan in service.
As shown in fig. 5, 9 and 10, the barrel reinforcing section 1 comprises a reinforcing sleeve 11, a cast reinforcement member 12 and two annular sealing plates 13. The reinforcing sleeve 11 is arranged on the inner side of the tower barrel 3, and the reinforcing sleeve 11 is a pouring template for pouring the reinforcing member 12; meanwhile, the reinforcing sleeve 11 has high axial tension and compression rigidity and has the bearing function of the tower barrel 3. The two annular sealing plates 13 are respectively arranged at two ends of the reinforcing sleeve 11, and the two annular sealing plates 13, the reinforcing sleeve 11 and the tower barrel 3 are enclosed to form a sealing cavity 14; the cast reinforcement member 12 is cast within the sealed cavity 14. Its simple structure is compact, and the form that sets up with pouring reinforcement 12 combination of reinforcement cover 11 makes stack shell reinforced section 1 and tower section of thick bamboo 3 zonulae occludens, at the inside reliable effectual reinforced structure of formation of tower section of thick bamboo 3, and it has improved tower section of thick bamboo 3's bulk strength and rigidity greatly, has guaranteed tower section of thick bamboo 3 and has born the weight of the demand.
In this embodiment, the casting reinforcement 12 is a fiber reinforced cement-based composite material; the reinforcing sleeve 11 and the annular sealing plate 13 are both made of rigid materials. Meanwhile, the outer edge of the annular sealing plate 13 is fixedly connected with the inner wall of the tower barrel 3 through an adhesive, and the reinforcing sleeve 11 and the annular sealing plate 13 are fixed in a welding mode.
As shown in fig. 5 to 7, the reinforcing sleeve 11 includes a plurality of vertical segment sections 111 and a connecting fixing section 112. Wherein the plurality of vertical segment sections 111 are arranged along the axial direction of the tower 3; the adjacent vertical segment sections 111 are sleeved outside the same connecting and fixing section 112, and the vertical segment sections 111 and the connecting and fixing section 112 are fixedly connected with each other through fasteners; the connecting and fixing segment 112 is fixedly connected with the tower 3 through a radial connecting rod 113. The arrangement of the connecting and fixing section 112 plays a role in supporting and restraining the vertical component section 111, and simultaneously ensures reliable installation and fixation of the reinforcing sleeve 11.
In this embodiment, the length of the radial connecting rod 113 is the casting thickness of the casting reinforcement 12, and the distance between the reinforcing sleeve 11 and the inner wall of the tower 3 can be changed by adjusting the length of the radial connecting rod 113, so as to adjust the thickness of the casting reinforcement 12.
Further, the radial connecting rod 113 is disposed on the connecting and fixing segment 112, and one end of the radial connecting rod 113, which is far away from the connecting and fixing segment 112, is welded and fixed to the tower 3. In other embodiments, the radial connecting rod 113 may also be disposed on the inner wall of the tower 3, and the radial connecting rod 113 is welded and fixed to the connecting and fixing segment 112.
Further, vertical sub-section 111 is annular buckled plate 1111, and the setting of annular buckled plate 1111 makes reinforced cover 11 have advantages such as stability is good, the outer rigidity of plane is big, anti-seismic performance is good. In other embodiments, the vertical segment 111 may be provided in a cylindrical structure as long as the reinforcing sleeve 11 has sufficient strength and rigidity.
As shown in fig. 7 and 8, the connection fixing segment 112 includes an annular mounting plate 1121, a convex fitting portion 1122, and a reinforcing rib 1123. Wherein, protruding cooperation portion 1122 circumference interval arranges outside annular mounting panel 1121, protruding cooperation portion 1122 and the ripple section adaptation of annular buckled plate 1111, the straightway and the annular mounting panel 1121 fixed connection of annular buckled plate 1111 to make connect fixed section 112 and annular buckled plate 1111 zonulae occludens, reach the effect of reliable support and fixed annular buckled plate 1111. Meanwhile, the reinforcing ribs 1123 are arranged in the boss matching portion to improve the supporting strength.
In this embodiment, the radial connecting rod 113 is disposed on the protrusion fitting portion 1122, and a semicircular through hole for the radial connecting rod 113 to pass through is disposed at a corresponding position of the annular corrugated plate 1111. The connecting and fixing section 112 and the tower drum 3 are reliably fixed, and meanwhile the layout is compact and the occupied space is small. In this embodiment, the inner diameter of the annular mounting plate 1121 is greater than or equal to the inner diameter of the flange at the joint of the tower 3, so as to ensure normal use and operation space inside the tower 3.
Further, as shown in fig. 5 and 6, the ring-shaped corrugation plate 1111 includes a plurality of arc-shaped corrugation plates which are separately arranged. So that the reinforcing sleeve 11 can conveniently enter the tower barrel 3 for assembly, and the specification of the single arc-shaped corrugated plate is in accordance with the requirement of ensuring the convenient entrance into the door opening. The reinforcing sleeve 11 is divided into a plurality of arc-shaped corrugated plates in the circumferential direction and the vertical direction according to the size of the door opening, and then the corrugated plates are assembled after being conveyed into the tower drum 3, so that the transportation cost and the installation difficulty are greatly reduced.
Simultaneously, adjacent arc buckled plate overlap joint each other, and adjacent arc buckled plate passes through a plurality of fastener fixed connection, and a plurality of fasteners set up along the length direction of arc buckled plate to guarantee adjacent arc buckled plate's reliable connection. Meanwhile, the fastener position is provided with a vertical sealing strip 114 to further improve the sealing property and the connection strength of the connection position. In this embodiment, the vertical sealing strips 114 are made of rigid material.
In this embodiment, the annular sealing plate 13 of the barrel body reinforcing section 1 and the annular mounting plate 1121 of the connecting and fixing section 112 are separately arranged, so that the plate body can conveniently enter the door opening for assembly. The adjacent plate bodies arranged in a split manner are connected in a manner of mutual overlapping and fastening by a fastening piece.
As shown in fig. 9, the end reinforcing section 2 includes a plurality of connection reinforcements. The plurality of connection reinforcements are arranged at intervals along the circumferential direction of the reinforcing sleeve 11, each connection reinforcement includes two L-shaped connecting rods 21, one ends of the two L-shaped connecting rods 21 are connected to each other, and the other ends of the two L-shaped connecting rods 21 are connected to the annular sealing plate 13 on the corresponding side, so that the adjacent reinforcing sleeves 11 are connected to each other. The L-shaped connecting rod 21 is simple in structure and small in occupied space, and an integral reinforcing structure synchronously stressed with the tower drum 3 is formed in the tower drum 3 while the maintenance gap 31 for flange maintenance is formed at the connecting position of the tower drum 3, so that the strength and rigidity of the tower drum 3 are greatly improved, and the bearing and reinforcing requirements of a wind turbine are met. In this embodiment, the L-shaped connecting rod 21 is a rigid connecting rod.
As shown in fig. 10, a bottom reinforced section 4 is connected between the shaft reinforced section 1 of the bottom-most tower 3 and the ground, and the bottom reinforced section 4 includes an L-shaped connecting rod 21. One end and the ground of L shape connecting rod 21 are connected, and the other end and the annular seal plate 13 in the bottom tower section of thick bamboo 3 of L shape connecting rod 21 are connected, and it makes stack shell reinforcing section 1 be connected with ground, forms whole atress skeleton, and it has further guaranteed tower section of thick bamboo 3's bearing capacity.
Further, as shown in fig. 5, the inner wall of the tower 3 and the outer wall of the reinforcing sleeve 11 are both provided with horizontally arranged shear-resistant studs 5, and the shear-resistant studs 5 located on the tower 3 and the shear-resistant studs 5 located on the reinforcing sleeve 11 are arranged in a staggered manner, which further enhances the overall support of the tower 3.
As shown in fig. 9, the present invention is provided with a grout inlet 6 and a grout outlet 7 on a reinforcing sleeve 11. Grout mouth 6 locates the upper portion of reinforcement cover 11, and grout mouth 6 sets up four along the circumference of reinforcement cover 11 to conveniently pour reinforcement 12 into whole seal chamber 14. The four grout outlets 7 are arranged on the annular sealing plate 13 positioned at the upper end of the reinforcing sleeve 11, and the four grout outlets 7 are arranged along the circumferential direction of the reinforcing sleeve 11, and the grout outlets 7 are vertically staggered with the grouting ports 6; when the slurry overflows from other grouting openings 6 or the slurry overflow openings 7, the slurry is blocked one by one, when the slurry overflows from the last slurry overflow opening 7, the slurry is fully and compactly arranged in the whole sealed cavity 14, and at the moment, the last grouting opening 6 and the slurry overflow opening 7 can be blocked, so that the reinforcement of the single-section tower drum 3 is completed. In other embodiments, the number of the grouting ports 6 and the grout outlets 7 can be set according to actual conditions, such as three, five, etc.
As shown in fig. 11, the assembling method of the wind turbine tower reinforcing device according to the embodiment includes the following steps:
1) a barrel body reinforcing section 1 is assembled in the tower barrel 3 at the bottommost part;
2) assembling an end reinforcing section 2 at the upper end of the barrel body reinforcing section 1, then continuously assembling the barrel body reinforcing section 1 in the barrel 3 of the previous section, and before assembling the barrel body reinforcing section 1 of the previous section, connecting the bottom end of the barrel body reinforcing section 1 with the end reinforcing section 2 at the lower side;
3) and repeating the step 2) until the barrel reinforcing section 1 is assembled to the topmost tower barrel 3.
The assembling method of the wind power tower cylinder reinforcing device has the advantages, and is convenient to operate and high in efficiency.
Further, in step 1), before assembling the barrel body reinforcing section 1 of the bottommost tower barrel 3, the barrel body reinforcing section 1 is connected with the ground by the bottom reinforcing section 4, so that the bearing capacity of the tower barrel 3 is further ensured.
In this embodiment, the specific operation process of the assembling method of the wind power tower cylinder reinforcing device is as follows:
1) the assembly method from bottom to top is adopted, the L-shaped connecting rod 21 is fixedly connected with the ground through a grounding bolt, and the other end of the L-shaped connecting rod 21 is in bolted connection with the annular sealing plate 13 in the tower barrel 3 at the bottommost part; meanwhile, a bonding agent is coated between the annular sealing plate 13 and the inner wall of the tower tube 3 to fix the annular sealing plate 13, and then the bottom end of the assembled annular corrugated plate 1111 is fixedly connected with the top end of the annular sealing plate 13;
2) the connecting and fixing section 112 is sleeved on the inner side of the top end of the annular corrugated plate 1111 and fixed, and then the outer side end of the radial connecting rod 113 is fixedly connected with the inner wall of the tower tube 3;
3) placing the upper-layer annular corrugated plate 1111 above the lower-layer annular corrugated plate 1111, sleeving the upper-layer annular corrugated plate 1111 on the outer side of the connecting and fixing section 112, and fixing, repeating the steps 2) and 3) until the assembly of the uppermost-layer annular corrugated plate 1111 in the single-section tower drum 3 is completed, and then arranging an annular sealing plate 13 above the uppermost-layer annular corrugated plate 1111 to form a sealed cavity 14 between the reinforcing sleeve 11 and the tower drum 3;
4) reserving or opening a grouting opening 6 and a grout overflow opening 7 on the reinforcing sleeve 11 on site, pouring the fiber reinforced cement-based composite material into the sealed cavity 14 through the grouting opening 6, when the grout overflows from the last grout overflow opening 7, indicating that the grout is fully and compactly filled in the whole sealed cavity 14, and at the moment, plugging the grouting opening 6 and the grout overflow opening 7 to finish the reinforcement of the single-section tower barrel 3;
5) after the fiber reinforced cement-based composite material is initially set to a certain strength, the lower end of the L-shaped connecting rod 21 is connected with the annular sealing plate 13 through a fastener; when the upper tower drum 3 is reinforced, the L-shaped connecting rod 21 of the lower tower drum 3 is connected with the L-shaped connecting rod 21 of the lower tower drum 3 through a fastener, and then the steps 2) -5) are repeated to finish the reinforcement and connection of each tower drum 3.
While the invention 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 invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A wind power tower cylinder reinforcing device is characterized by comprising a cylinder body reinforcing section and an end reinforcing section, wherein the cylinder body reinforcing section is arranged in the middle area of the inner side of the cylinder body of each section of tower cylinder, so that maintenance gaps which are convenient for maintenance of the connecting position of the tower cylinder are reserved at the two ends of each section of tower cylinder; the end reinforcing sections are arranged at the maintenance gaps of the tower drums, and the two ends of each end reinforcing section are connected with the barrel body reinforcing sections of the adjacent tower drums so as to form a stressed framework with integral stress inside the tower drums.
2. The wind tower reinforcement device as claimed in claim 1, wherein the barrel reinforcement section includes a reinforcement sleeve, a casting reinforcement member, and two annular sealing plates, the reinforcement sleeve being disposed inside the tower barrel; the two annular sealing plates are respectively arranged at two ends of the reinforcing sleeve and form a sealing cavity together with the reinforcing sleeve and the tower barrel; and the pouring reinforcing member is poured in the sealed cavity.
3. The wind tower reinforcing device according to claim 2, wherein the reinforcing sleeve comprises a plurality of vertical segment sections arranged along the axial direction of the tower, and a connecting and fixing section for connecting adjacent vertical segment sections, wherein adjacent vertical segment sections are sleeved and fixed outside the connecting and fixing section; the connecting and fixing section is fixedly connected with the tower barrel through a radial connecting rod.
4. The wind tower reinforcement device of claim 3, wherein the vertical segment sections are ring corrugated plates; connect the canned paragraph include annular mounting panel, circumference interval arrangement outside the annular mounting panel protruding cooperation and locate the strengthening rib in the boss cooperation, protruding cooperation with the ripple section adaptation of annular buckled plate, the straightway of annular buckled plate with annular mounting panel fixed connection, radial connecting rod locates on the protruding cooperation.
5. The wind tower cylinder reinforcing apparatus of claim 3, wherein the corrugated plates include a plurality of corrugated plates that are separately arranged, the adjacent corrugated plates are mutually overlapped and fixedly connected through a plurality of fasteners arranged along the length direction of the corrugated plates, and vertical sealing strips are arranged at the positions of the fasteners.
6. The wind tower reinforcement device of any one of claims 2 to 5, wherein the end reinforcement section includes a plurality of connection reinforcements arranged at intervals along a circumferential direction of the reinforcement sleeve, each of the connection reinforcements including two L-shaped connection rods; one ends of the two L-shaped connecting rods are connected with each other, and the other ends of the two L-shaped connecting rods are connected with the annular sealing plate on the corresponding side.
7. The wind tower reinforcement device as claimed in any one of claims 2 to 5, wherein a bottom reinforcement section is connected between the body reinforcement section of the bottommost tower and the ground, the bottom reinforcement section comprising an L-shaped connecting rod; one end of the L-shaped connecting rod is connected with the ground, and the other end of the L-shaped connecting rod is connected with the annular sealing plate.
8. The wind tower reinforcement device as claimed in any one of claims 2 to 5, wherein the inner wall of the tower and the outer wall of the reinforcement sleeve are provided with shear studs arranged horizontally, and the shear studs located on the tower are arranged in a staggered manner with respect to the shear studs located on the reinforcement sleeve.
9. An assembling method of the wind tower reinforcing device as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
1) a barrel body reinforcing section is assembled in the tower barrel at the bottommost part;
2) assembling an end reinforcing section at the upper end of the cylinder body reinforcing section, then continuously assembling the cylinder body reinforcing section in the tower cylinder of the previous section, and connecting the bottom end of the cylinder body reinforcing section with the end reinforcing section at the lower side before assembling the cylinder body reinforcing section of the previous section;
3) and repeating the step 2) until the barrel reinforcing section is assembled to the topmost tower barrel.
10. The method of assembling as claimed in claim 9, wherein in step 1), the bottom reinforced section is used to connect the shaft reinforced section to the ground before assembling the shaft reinforced section of the bottom most tower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210532598.3A CN115076039B (en) | 2022-05-13 | 2022-05-13 | Wind power tower drum reinforcing device and assembly method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210532598.3A CN115076039B (en) | 2022-05-13 | 2022-05-13 | Wind power tower drum reinforcing device and assembly method |
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| CN115076039A true CN115076039A (en) | 2022-09-20 |
| CN115076039B CN115076039B (en) | 2023-04-28 |
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| KR101697630B1 (en) * | 2015-10-15 | 2017-01-18 | 한국해양과학기술원 | Hybrid wind turbine tower having a composite and steel section |
| CN205779500U (en) * | 2016-06-21 | 2016-12-07 | 湖南科技大学 | A kind of composite fan tower segments with inside and outside barrel attachment structure and tower |
| CN207776169U (en) * | 2017-10-26 | 2018-08-28 | 孙阳 | The formwork for placing poured for tower |
| CN110863953A (en) * | 2018-08-28 | 2020-03-06 | 中国电建集团华东勘测设计研究院有限公司 | Annular steel pipe concrete combined wind turbine generator tower structure |
| CN212985457U (en) * | 2020-09-22 | 2021-04-16 | 北京天杉高科风电科技有限责任公司 | Arc-shaped component, tower section and tower of wind generating set |
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| CN115076039B (en) | 2023-04-28 |
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