CN213116557U - Assembled hybrid wind power tower barrel based on edge steel plate constraint concrete slab - Google Patents
Assembled hybrid wind power tower barrel based on edge steel plate constraint concrete slab Download PDFInfo
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- CN213116557U CN213116557U CN202021128090.XU CN202021128090U CN213116557U CN 213116557 U CN213116557 U CN 213116557U CN 202021128090 U CN202021128090 U CN 202021128090U CN 213116557 U CN213116557 U CN 213116557U
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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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- 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
Abstract
The utility model discloses an assembled hybrid wind power tower section of thick bamboo based on marginal steel sheet restraint concrete slab relates to wind power generation technical field. The tower cylinder is composed of an upper pure steel tower cylinder and a lower concrete tower cylinder, wherein the concrete tower cylinder is formed by connecting 6 edge steel plates to restrain a concrete slab along the circumferential direction to form a hexagonal cylinder body and assembling the hexagonal cylinder body along the vertical section. The edge steel plate restrains the inner side and the outer side of the concrete slab and is provided with a steel bar net piece and transverse tie steel bars, the edges of the two sides form a concrete restraint area by the inner steel plate, the outer steel plate and the end plate, and the inner steel plate and the outer steel plate are provided with studs to strengthen the bonding with the concrete. The edge steel plate restrains the concrete plate end plate to extend inwards to form an ear plate, and bolt holes are reserved so as to be assembled through bolt connection. The tower barrel overcomes the defects of complex processing and assembling of traditional concrete tower barrel components, and has the advantages of excellent mechanical property, simple component processing, convenient transportation, short construction period, high comprehensive benefit and wide engineering application prospect.
Description
Technical Field
The utility model relates to a wind power generation technical field.
Background
Wind energy has been rapidly developed and utilized in recent years as a clean renewable energy source. Wind energy reserves in China are quite rich, but wind energy resource areas are not uniformly distributed, wind power development is mainly concentrated in the high wind speed areas in the three north China at present, but the absorption capacity of a local power grid is limited, so that the problem of wind abandoning and electricity limiting is obvious. In order to develop wind power resources in low wind speed areas of the middle east and south of China, a wind power generator with high power and high tower drum becomes a development trend.
In order to meet the stress requirement of a high tower cylinder and improve the stability, the bearing capacity and the fatigue resistance of a tower cylinder structure, the upper part of the tower cylinder is a pure steel tower cylinder, and the lower part of the tower cylinder is a concrete tower cylinder. However, the traditional concrete tower barrel prefabricated part is complex in construction, the joint needs on-site grouting maintenance, connection construction is complex, and the installation period is long.
Therefore, the hybrid wind power tower cylinder which is good in stability, high in bearing capacity, good in fatigue resistance, simple in prefabricated part construction, convenient to connect on site and short in construction period is researched and developed, and the hybrid wind power tower cylinder has important significance and wide engineering application prospect for promoting the development of wind energy resources in a low wind speed area.
SUMMERY OF THE UTILITY MODEL
The utility model provides an assembled hybrid wind power tower section of thick bamboo based on marginal steel sheet restraint concrete slab: the tower cylinder consists of an upper pure steel tower cylinder and a lower concrete tower cylinder. The concrete tower cylinder is formed by connecting 6 edge steel plates to restrain concrete plates along the circumferential direction to form a hexagonal cylinder body through bolts and assembling the hexagonal cylinder body along the vertical direction in a segmented mode.
The edge steel plate restrains the inner side and the outer side of the concrete slab and is provided with a steel bar net piece and transverse tie bars, the edges of the two sides form a concrete restraint area by the inner steel plate, the outer steel plate and the end plate, the inner steel plate and the outer steel plate are provided with studs to strengthen the bonding with the concrete, and then the concrete is poured to form a whole. The edge steel plate restrains the concrete plate end plate to extend inwards to form an ear plate, and bolt holes are reserved so as to be assembled through bolt connection. The edge steel plate restrains the pre-buried corrugated pipe in the concrete slab, the prestressed ribs in the corrugated pipe are tensioned in the corrugated pipe after the tower barrel is assembled, one end of each prestressed rib is anchored on the flange plate at the bottom of the pure steel tower barrel, and the other end of each prestressed rib is anchored in the tower barrel foundation.
The tower barrel overcomes the defects of complex processing and assembling construction of traditional concrete tower barrel prefabricated components, can realize full-assembly construction of factory prefabrication and field assembly, and has the advantages of superior mechanical property, convenient transportation of the prefabricated components, short construction period, high comprehensive benefit and wide engineering application prospect.
The technical scheme of the utility model as follows:
the utility model provides an assembled hybrid wind power tower section of thick bamboo based on marginal steel sheet restraint concrete slab, this tower section of thick bamboo include pure steel tower section of thick bamboo, a concrete tower section of thick bamboo, marginal steel sheet restraint concrete slab, outer steel sheet, interior steel sheet, end plate, peg, concrete, pre-buried steel pipe, bolt, prestressing tendons, bellows, vertical reinforcing bar, horizontal reinforcement, drawknot reinforcing bar, ground tackle, flange board.
This tower section of thick bamboo comprises upper portion pure steel tower section of thick bamboo and lower part concrete tower section of thick bamboo, and pure steel tower section of thick bamboo lower part welding flange board passes through bolted connection with the concrete tower section of thick bamboo to with prestressing tendons anchor on pure steel tower section of thick bamboo flange board, make its and concrete tower section of thick bamboo zonulae occludens, the switching ring device in the traditional mixed tower section of thick bamboo can be saved to this structural connection mode, the internal force of the pure steel tower section of thick bamboo in upper portion can directly transmit on the lower part concrete tower section of thick bamboo, make the biography power route more direct, the atress is.
The concrete tower barrel is formed by assembling 6 edge steel plate constraint concrete plates in a bolt connection mode along the circumferential direction to form a hexagonal barrel body, the hexagonal barrel body is assembled along the vertical section, the edge steel plate constraint concrete plates are prefabricated in a factory, on-site full-assembly type construction is achieved, the construction period is short, and transportation is convenient.
Reinforcing steel bar meshes consisting of vertical reinforcing steel bars and horizontal reinforcing steel bars are arranged on the inner side and the outer side of the edge steel plate restrained concrete plate, and transverse tie reinforcing steel bars are arranged; the two sides of the concrete are welded by an inner steel plate, an outer steel plate and an end plate to form a constraint area for the concrete, and the inner steel plate and the outer steel plate are provided with studs to strengthen the bonding with the concrete; the end plates extend inwards to form lug plates, and bolt holes are reserved so as to be conveniently spliced through bolt connection; two corrugated pipes are pre-embedded at three points in the edge steel plate constraint concrete plate so as to arrange internal prestressed tendons at a later stage; arranging an embedded steel pipe in the edge steel plate constraint concrete slab so as to facilitate hoisting during site construction; and then pouring concrete to form a whole.
After the tower barrel is assembled on site, the prestressed ribs in the tension body in the corrugated pipe pre-embedded in the concrete tower barrel are anchored at one end on a flange plate at the bottom of the pure steel tower barrel and at the other end in a tower barrel foundation. The internal prestressed tendons enable the concrete tower barrel to be in a full-section compression state, integrity of the concrete tower barrel is improved, and meanwhile, the prestressed tendons are arranged in the concrete tower barrel to relieve corrosion of the prestressed tendons.
The utility model discloses following beneficial effect has for prior art:
(1) the steel tower cylinder and the concrete tower cylinder are directly connected through the bolts and the prestressed tendons, a switching ring of a traditional hybrid tower cylinder is omitted, a force transmission path is clear, and a stress mode is reasonable.
(2) The concrete tower cylinder is formed by binding the concrete slabs by the edge steel plates through bolts, and the defects that the joint of the traditional concrete tower cylinder needs on-site grouting maintenance, connection construction is complex and the like are overcome.
(3) The steel plates are adopted to restrain the concrete at the two sides of the edge steel plate restraint concrete slab, so that the bearing capacity and the stability of the concrete slab can be improved, and the edge steel plate restraint concrete slab has the advantages of high bearing capacity, good stability, material saving, low manufacturing cost and the like; the edge steel plate constraint concrete slab is a flat plate, and compared with the traditional concrete tower barrel, the construction of reinforcement, prefabricated templates and the like is convenient.
(4) The tower can realize factory prefabrication and on-site full-assembly construction of components, is convenient to construct, can greatly shorten the construction period, and the edge steel plate of the segments restrains the concrete slab so as to be convenient to transport, stack and hoist.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of a cross section of a concrete tower tube and a connection mode thereof according to the present invention;
fig. 3 is an overall schematic view and detailed structure of the edge steel plate restrained concrete slab of the present invention;
FIG. 4 is a schematic view of the connection between the concrete tower drum and the pure steel tower drum of the present invention;
in the figure: 1-pure steel tower cylinder, 2-concrete tower cylinder, 3-edge steel plate constraint concrete slab, 4-outer steel plate, 5-inner steel plate, 6-end plate, 7-stud, 8-concrete, 9-embedded steel pipe, 10-bolt, 11-prestressed tendon, 12-corrugated pipe, 13-vertical steel bar, 14-horizontal steel bar, 15-tie steel bar, 16-anchor device and 17-flange plate
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the fabricated hybrid wind power tower based on edge steel plate restrained concrete slabs is composed of an upper pure steel tower (1) and a lower concrete tower (2).
As shown in figure 2, the concrete tower tube (2) is formed by connecting and assembling 6 edge steel plates to restrain a concrete plate (3) along the circumferential direction by bolts (10) to form a hexagonal tube body and assembling the hexagonal tube body along the vertical direction in a segmented manner.
As shown in fig. 3, reinforcing mesh sheets composed of vertical reinforcing steel bars (13) and horizontal reinforcing steel bars (14) are arranged on the inner side and the outer side of the edge steel plate constraint concrete plate (3), and transverse tie reinforcing steel bars (15) are arranged; the two sides of the concrete are welded by an inner steel plate (5), an outer steel plate (4) and an end plate (6) to form a constraint area for concrete (8), and the inner steel plate (5) and the outer steel plate (4) are provided with studs (7) to strengthen the bonding with the concrete; the end plates (6) extend inwards to form lug plates, and bolt holes are reserved so as to be conveniently spliced through bolt connection; two corrugated pipes (12) are pre-buried at three points in the edge steel plate constraint concrete plate (3) so as to arrange internal prestressed tendons (11) at a later stage; arranging an embedded steel pipe (9) in the edge steel plate constraint concrete slab so as to facilitate hoisting during site construction; then pouring concrete (8) to form a whole, and completing prefabrication of the edge steel plate constraint concrete plate (3) in a factory.
As shown in fig. 4, a flange plate (17) is welded on the lower portion of the pure steel tower tube (1), the pure steel tower tube is connected with the concrete tower tube (2) through bolts (10), meanwhile, prestressed tendons (11) are tensioned in the corrugated pipes (12) pre-embedded in the concrete tower tube (2), one end of each prestressed tendon (11) is anchored on the flange plate (17) on the bottom of the pure steel tower tube (1), and the other end of each prestressed tendon is anchored in a tower tube foundation.
The utility model provides an assembled hybrid wind power tower section of thick bamboo based on marginal steel sheet restraint concrete slab, this tower section of thick bamboo have solved traditional concrete tower section of thick bamboo prefabricated component processing, have assembled the complicated shortcoming of construction, can realize the full assembled construction of mill's prefabrication, site Assembly, and mechanical properties is superior, and the prefabricated component transportation is convenient, and construction cycle is short, and comprehensive benefit is high, has wide engineering application prospect.
The foregoing is merely a preferred embodiment of the present invention, but the present invention is not limited to the specific embodiment described above. Those skilled in the art should appreciate that they may readily use the present disclosure as a basis for modifying or supplementing other structures, elements, or steps without departing from the principles of the present disclosure.
Although used more herein: 1-pure steel tower cylinder, 2-concrete tower cylinder, 3-edge steel plate constraint concrete plate, 4-outer steel plate, 5-inner steel plate, 6-end plate, 7-bolt, 8-concrete, 9-embedded steel pipe, 10-bolt, 11-prestressed tendon, 12-corrugated pipe, 13-vertical steel bar, 14-horizontal steel bar, 15-tie steel bar, 16-anchorage device, 17-flange plate and other terms, but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is contrary to the spirit of the present invention.
Claims (3)
1. The utility model provides an assembled hybrid wind power tower cylinder based on marginal steel sheet restraint concrete slab, characterized by: the tower cylinder comprises a pure steel tower cylinder (1), a concrete tower cylinder (2), an edge steel plate constraint concrete plate (3), an outer steel plate (4), an inner steel plate (5), an end plate (6), a stud (7), concrete (8), a pre-embedded steel pipe (9), a bolt (10), a prestressed rib (11), a corrugated pipe (12), a vertical steel bar (13), a horizontal steel bar (14), a tie steel bar (15), an anchorage device (16) and a flange plate (17); the upper portion of the tower cylinder is a pure steel tower cylinder (1), the lower portion of the tower cylinder is a concrete tower cylinder (2), and the concrete tower cylinder (2) is formed by connecting and assembling 6 edge steel plate constraint concrete plates (3) along the circumferential direction to form a hexagonal cylinder body and assembling the hexagonal cylinder body along the vertical section.
2. The fabricated hybrid wind tower based on edge steel plate-bound concrete slabs of claim 1, wherein: reinforcing steel bar meshes consisting of vertical reinforcing steel bars (13) and horizontal reinforcing steel bars (14) are arranged on the inner side and the outer side of the edge steel plate constraint concrete plate (3), and transverse tie reinforcing steel bars (15) are arranged; the two sides of the concrete are welded by an inner steel plate (5), an outer steel plate (4) and an end plate (6) to form a constraint area for concrete (8), and the inner steel plate (5) and the outer steel plate (4) are provided with studs (7) to strengthen the bonding with the concrete; the end plates (6) extend inwards to form lug plates, and bolt holes are reserved so as to be assembled through bolt connection.
3. The fabricated hybrid wind tower based on edge steel plate-bound concrete slabs of claim 1, wherein: the lower part of the pure steel tower cylinder (1) is welded with a flange plate (17) and is connected with the concrete tower cylinder (2) through a bolt (10), meanwhile, a prestressed rib (11) is stretched in a corrugated pipe (12) pre-embedded in the concrete tower cylinder (2), one end of the prestressed rib (11) is anchored on the flange plate (17) at the bottom of the pure steel tower cylinder (1), and the other end of the prestressed rib is anchored in a tower cylinder foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021128090.XU CN213116557U (en) | 2020-06-17 | 2020-06-17 | Assembled hybrid wind power tower barrel based on edge steel plate constraint concrete slab |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021128090.XU CN213116557U (en) | 2020-06-17 | 2020-06-17 | Assembled hybrid wind power tower barrel based on edge steel plate constraint concrete slab |
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| CN213116557U true CN213116557U (en) | 2021-05-04 |
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| CN202021128090.XU Active CN213116557U (en) | 2020-06-17 | 2020-06-17 | Assembled hybrid wind power tower barrel based on edge steel plate constraint concrete slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794914A (en) * | 2020-06-17 | 2020-10-20 | 重庆大学 | Assembled hybrid wind power tower barrel based on edge steel plate constraint concrete slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794914A (en) * | 2020-06-17 | 2020-10-20 | 重庆大学 | Assembled hybrid wind power tower barrel based on edge steel plate constraint concrete slab |
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