CN213979585U - FRP oblique strut of hyperbolic cooling tower - Google Patents
FRP oblique strut of hyperbolic cooling tower Download PDFInfo
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- CN213979585U CN213979585U CN202022773334.6U CN202022773334U CN213979585U CN 213979585 U CN213979585 U CN 213979585U CN 202022773334 U CN202022773334 U CN 202022773334U CN 213979585 U CN213979585 U CN 213979585U
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- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 239000000178 monomer Substances 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 239000004567 concrete Substances 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
本实用新型公布了一种双曲线冷却塔FRP斜支柱，包括第一环梁、第二环梁、X型斜支柱、柱墩、环形基础和FRP连接件，FRP连接件具有六个连接管，其中两个连接管位于水平方向的两端，另外四个连接管分成两组分别位于水平方向两根连接管的上下两侧形成X型结构，X型斜支柱和柱墩均为若干个，柱墩均匀设置在环形基础的顶端，所述X型斜支柱是由四根X型斜支柱单体组成的，所述第二环梁是由若干根第二环梁单体组成的，第二环梁单体的两端分别插接在FRP连接件水平方向的两根连接管内。本实用新型承载能力好、结构刚度大、施工方便、经济适用、自重小、轻质高强、使用寿命长、延性好。
The utility model discloses a FRP oblique strut of a hyperbolic cooling tower, which comprises a first ring beam, a second ring beam, an X-shaped oblique strut, a column pier, a ring foundation and an FRP connecting piece, wherein the FRP connecting piece has six connecting pipes, Two of the connecting pipes are located at both ends of the horizontal direction, and the other four connecting pipes are divided into two groups, which are located on the upper and lower sides of the two connecting pipes in the horizontal direction to form an X-shaped structure. There are several X-shaped inclined pillars and column piers. The piers are evenly arranged at the top of the annular foundation, the X-shaped inclined pillars are composed of four X-shaped inclined pillars, and the second ring beam is composed of several second ring beams. Both ends of the beam monomer are respectively inserted into the two connecting pipes in the horizontal direction of the FRP connector. The utility model has the advantages of good bearing capacity, large structural rigidity, convenient construction, economical application, small self-weight, light weight and high strength, long service life and good ductility.
Description
Technical Field
The utility model relates to an industry natural draft cooling tower especially relates to a hyperbola cooling tower FRP oblique supporting post.
Background
The natural ventilation cooling tower is a large thin-shell structure, is built in power plants in regions with insufficient water source, and mainly uses a circulating cooling water system for cooling so that hot water discharged from a cooler can be reused after being cooled. At present, the cooling tower of most power plants adopts a hyperbolic cooling tower in a building form. The hyperbolic cooling tower structure comprises a ring beam, a cylinder wall, a tower top rigid ring, an inclined strut, a foundation and the like. The ring beam is positioned at the lower end of the ventilation barrel shell, and the dead weight of the ventilation barrel and other borne loads are transmitted to the inclined strut through the lower ring beam and then transmitted to the foundation. The inclined strut structure is a main force transmission structure and mainly bears the self weight of the upper structure and the wind load effect on the cylinder wall. With the development of large-scale hyperbolic cooling towers, the advantages of the traditional cast-in-place reinforced concrete hyperbolic cooling towers are gradually reduced, and the bearing capacity, the structural rigidity and the seismic performance of the traditional cast-in-place reinforced concrete hyperbolic cooling towers are gradually reduced. Therefore, the prior art can not meet the design requirement of large-scale cooling towers, and a novel cooling tower inclined strut structure form which can obviously improve the stress performance of the hyperbolic cooling tower in all aspects needs to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hyperbola cooling tower FRP oblique support post, this oblique support post have that bearing capacity is good, structural rigidity is big, construction convenience, economy are suitable for, the dead weight is little, light weight high strength's characteristics.
In order to solve the technical problem existing in the above, the utility model discloses a technical scheme as follows:
a hyperbola cooling tower FRP oblique strut comprises a first ring beam, a second ring beam, X-shaped oblique struts, column piers and an annular foundation, wherein the X-shaped oblique struts and the column piers are a plurality of ones, the column piers are uniformly arranged at the top end of the annular foundation, the X-shaped oblique struts are composed of four X-shaped oblique strut monomers and an FRP connecting piece, the FRP connecting piece is provided with six connecting pipes, two connecting pipes are respectively positioned at two ends in the horizontal direction, the other four connecting pipes are divided into two groups which are respectively positioned at the upper side and the lower side of the two connecting pipes in the horizontal direction to form an X-shaped structure, the four X-shaped oblique strut monomers are divided into two groups which are respectively inserted into the connecting pipes at the upper side and the lower side of the FRP connecting piece, the four X-shaped oblique strut monomers form an X-shaped structure, the top ends of the X-shaped oblique struts are fixed at the bottom end of the first ring beam through steel connecting pieces and bolts, and the bottom ends of the X-shaped oblique struts are fixed on the column piers through steel connecting pieces, the second ring beam is composed of a plurality of second ring beam monomers, two ends of each second ring beam monomer are respectively inserted into the connecting pipes in the horizontal direction of the FRP connecting piece, and the plurality of second ring beam monomers form an annular structure parallel to the first ring beam.
Furthermore, the X-shaped oblique supporting column monomer and the second annular beam monomer are both made of FRP-concrete combined columns.
Furthermore, the FRP-concrete combined column is formed by pouring concrete by FRP tension and compression sectional materials, and the surface of the FRP-concrete combined column is wrapped with an FRP wound sheet.
Furthermore, the FRP tension and compression section comprises four FRP curved surface outer flanges, the cross sections of the FRP curved surface outer flanges are quarter circular arcs, the center of each FRP curved surface outer flange is connected with an FRP web plate towards the direction of the circle center, the other end of each FRP web plate is connected with the FRP curved surface inner flange, the four FRP curved surface outer flanges enclose a cylinder, and adjacent FRP curved surface outer flanges are connected through a buckle.
Furthermore, the X-shaped oblique support single body, the second ring beam single body and the FRP connecting piece are connected through four connecting steel plates B and bolts, and the four connecting steel plates B are respectively arranged at the intersection of the joint of the outer flange of the two adjacent FRP curved surfaces and the FRP connecting piece.
Furthermore, the first ring beam is an FRP-concrete combined beam formed by pouring concrete after a plurality of FRP I-shaped components are assembled.
Furthermore, the FRP I-shaped member is formed by connecting two FRP I-shaped member monomers by using two connecting steel plates A and bolts after the two FRP I-shaped member monomers are staggered and lapped together, the cross section of each FRP I-shaped member monomer is I-shaped, a web plate is arranged in two layers of steps, four bolt holes are arranged on the longer part, two bolt holes are arranged on the shorter part, eight bolt holes are arranged on the lower flange, and four bolt holes are arranged on the upper flange; the whole U-shaped structure of connecting steel sheet A, six screw holes of one row respectively set up on two sides of U-shaped steel sheet, set up two rows of screw holes on the bottom surface of U-shaped steel sheet, the quantity of every row of screw hole is six.
Further, the steel connecting piece includes solid fixed cylinder and bottom plate, and the solid fixed cylinder can hold X type bearing diagonal monomer, and the solid fixed cylinder slope sets up on the bottom plate, and four angles departments that evenly are provided with four stiffening rib A, bottom plate along circumference on the solid fixed cylinder surface respectively set up a bolt hole, two pre-buried steel connecting pieces in every pier, and the inclination of solid fixed cylinder is the same with the free inclination of the X type bearing diagonal who is connected.
The utility model has the advantages and beneficial effects that:
(1) the utility model adopts two ring beams, the structural integrity is good;
(2) the X-shaped oblique strut and the ring beam adopt FRP-concrete combined sections, have good mechanical property, can properly reduce the size of the cross section, save the cost and reduce the manufacturing cost.
(3) Adopt FRP subassembly to replace the reinforcing bar, the equipment is simple, saves the reinforcement process.
(4) The joint of the members is reinforced by steel connecting pieces, so that the structural stability is improved.
(5) The structure ductility is good, long service life, later stage easy to maintain.
(6) The utility model discloses bearing capacity is good, structural rigidity is big, construction convenience, economy is suitable for, the dead weight is little, light weight height is strong, can the effectual problem that the large-scale cooling tower bearing capacity of solution tradition is not enough.
Drawings
The present invention will be described in detail with reference to the following drawings and examples:
FIG. 1 is a schematic structural view of an FRP oblique brace of a hyperbolic cooling tower of the present invention;
FIG. 2 is a schematic view of a hyperbolic cooling tower structure;
FIG. 3 is a schematic cross-sectional view of a first ring beam;
FIG. 4 is a single structural schematic diagram of an FRP I-shaped member;
FIG. 5 is an exploded view of an FRP I-shaped member;
FIG. 6 is a schematic cross-sectional view of an X-shaped diagonal strut;
FIG. 7 is a schematic perspective view of a steel connector;
FIG. 8 is a schematic view of the connection between the pier and the X-shaped oblique strut;
FIG. 9 is a schematic view of the connection of the first ring beam and the X-shaped diagonal brace;
fig. 10 is a schematic view of the connection between the second ring beam and the X-shaped oblique strut.
In the figure: 1 is a first ring beam; 1-1 is an FRP I-shaped component monomer; 1-2 is concrete; 1-3 are connecting steel plates A; 1-4 is a stiffening rib B; 2 is a second ring beam; 3 is an X-shaped oblique strut; 3-1 is FRP winding sheet; 3-2 is concrete; 3-3 is FRP curved surface outer flange; 3-4 is FRP web plate; 3-5 is the flange in the FRP curved surface; 3-6 are buckles; 4 is a column pier; 5 is a ring-shaped foundation; 6 is an FRP connecting piece; 7 is a connecting steel plate B; 8 is a steel connecting piece; 8-1 is a fixed cylinder; 8-2 is a stiffening rib A; 8-3 is a bottom plate; 8-4 are bolt holes.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but the scope of the present invention is not limited by the specific embodiments, and the claims will control. In addition, any modification or change that can be easily implemented by a person having ordinary skill in the art without departing from the technical solution of the present invention will fall within the scope of the claims of the present invention.
As shown in figures 1, 2 and 10, the hyperbolic cooling tower FRP oblique strut of the present invention comprises a first ring beam 1, a second ring beam 2, X-type oblique struts 3, column piers 4 and a ring foundation 5, wherein the X-type oblique struts and the column piers are a plurality of ones, the column piers are uniformly arranged on the top end of the ring foundation, the X-type oblique struts 3 are composed of four X-type oblique strut monomers and an FRP connecting member 6, the FRP connecting member 6 has six connecting pipes, two of the connecting pipes are respectively arranged at two ends of the horizontal direction, the other four connecting pipes are divided into two groups which are respectively arranged at the upper and lower sides of the two connecting pipes of the horizontal direction to form an X-type structure, the four X-type oblique strut monomers are divided into two groups which are respectively inserted into the connecting pipes at the upper and lower sides of the FRP connecting member 6, the four X-type oblique strut monomers form an X-type structure, the top ends of the X-type oblique struts are fixed at the bottom end of the first ring beam 1 through steel connecting members 8 and bolts, the bottom of X type oblique prop passes through steel connecting piece 8 to be fixed on pier 4, second ring roof beam 2 comprises a plurality of second ring roof beam monomers, and the free both ends of second ring roof beam are pegged graft respectively in the connecting tube of 6 horizontal directions of FRP connecting piece, and the annular structure parallel with first ring roof beam is constituteed to a plurality of second ring roof beam monomer.
The X-shaped oblique supporting column monomer and the second annular beam monomer are both made of FRP-concrete combined columns. The FRP-concrete combined column is formed by pouring 3-2 FRP tension and compression section bars, and the surface of the FRP-concrete combined column is coated with 3-1 FRP winding sheets.
As shown in fig. 6, the FRP tension-compression section includes four FRP curved surface outer flanges 3-3, the cross section of each of the FRP curved surface outer flanges 3-3 is a quarter arc, the center of each of the FRP curved surface outer flanges is connected to one FRP web 3-4 in the direction of the center of the circle, the other end of each of the FRP webs is connected to one of the FRP curved surface inner flanges 3-5, the four FRP curved surface outer flanges surround a cylinder, and the adjacent FRP curved surface outer flanges are connected by using buckles 3-6.
The X-shaped oblique strut single body, the second annular beam single body and the FRP connecting piece 6 are connected through four connecting steel plates B7 and bolts, and the four connecting steel plates B7 are respectively arranged at the intersection of the joint of the two adjacent FRP curved surface outer flanges 3-3 and the FRP connecting piece 6.
As shown in fig. 3, the first ring beam 1 is an FRP-concrete composite beam formed by assembling a plurality of FRP i-shaped members and pouring concrete 1-2.
As shown in FIG. 5, the FRP I-shaped member is formed by connecting two FRP I-shaped member monomers 1-1 by two connecting steel plates A1-3 and bolts after being overlapped in a staggered way. As shown in fig. 4, the cross section of the single FRP i-shaped member is i-shaped, the web is arranged in two layers in a stepped manner, four bolt holes are arranged in the longer part, two bolt holes are arranged in the shorter part, eight bolt holes are arranged in the lower flange, and four bolt holes are arranged in the upper flange; the connecting steel plate A1-3 is integrally of a U-shaped structure, two side faces of the U-shaped steel plate are respectively provided with a row of six screw holes, the bottom face of the U-shaped steel plate is provided with two rows of screw holes, and the number of each row of screw holes is six.
As shown in fig. 7, the steel connecting pieces 8 include a fixed cylinder 8-1 and a bottom plate 8-3, the fixed cylinder can accommodate an X-shaped oblique strut single body, the fixed cylinder is obliquely arranged on the bottom plate, four stiffening ribs A8-2 are uniformly arranged on the outer surface of the fixed cylinder along the circumferential direction, four corners of the bottom plate are respectively provided with a bolt hole 8-4, two steel connecting pieces are embedded in each pier, and the inclination angle of the fixed cylinder is the same as that of the connected X-shaped oblique strut single body.
As shown in fig. 9, a stiffening rib B1-4 is arranged in the middle of the joint of the FRP i-shaped member single body and the steel connecting member 8.
The foregoing is a preferred embodiment of the present invention, and those skilled in the art can make various modifications or additions to the specific embodiments described above, and these modifications or additions should also be construed as the scope of the present invention.
Claims (8)
1. The FRP oblique strut of hyperbola cooling tower, its characterized in that: the steel ring beam comprises a first ring beam (1), a second ring beam (2), X-shaped oblique support columns (3), column piers (4) and an annular foundation (5), wherein the X-shaped oblique support columns and the column piers are respectively a plurality of, the column piers are uniformly arranged at the top end of the annular foundation, the X-shaped oblique support columns (3) are composed of four X-shaped oblique support column monomers and an FRP connecting piece (6), the FRP connecting piece (6) is provided with six connecting pipes, two connecting pipes are respectively positioned at two ends in the horizontal direction, the other four connecting pipes are divided into two groups which are respectively positioned at the upper side and the lower side of the two connecting pipes in the horizontal direction to form an X-shaped structure, the four X-shaped oblique support column monomers are divided into two groups which are respectively inserted into the connecting pipes at the upper side and the lower side of the FRP connecting piece (6), the four X-shaped oblique support column monomers form an X-shaped structure, and the top ends of the X-shaped oblique support columns are fixed at the bottom end of the first ring beam (1) through steel connecting pieces (8) and bolts, the bottom of X type oblique strut passes through steel connecting piece (8) to be fixed on pier (4), second ring beam (2) are become by a plurality of second ring beam monomers, and the free both ends of second ring beam are pegged graft respectively in FRP connecting piece (6) horizontal direction's connecting tube, and the annular structure parallel with first ring beam is constituteed to a plurality of second ring beam monomers.
2. The FRP diagonal brace of the hyperbolic cooling tower as recited in claim 1, wherein: the X-shaped oblique supporting column monomer and the second annular beam monomer are both made of FRP-concrete combined columns.
3. The FRP diagonal brace of the hyperbolic cooling tower as recited in claim 2, wherein: the FRP-concrete combined column is formed by pouring concrete by FRP tension and compression sectional materials, and the surface of the FRP-concrete combined column is coated with FRP wound sheets (3-1).
4. The FRP diagonal brace of the hyperbolic cooling tower of claim 3, wherein: the FRP tension and compression section comprises four FRP curved surface outer flanges (3-3), the cross sections of the FRP curved surface outer flanges (3-3) are quarter circular arcs, the center of each FRP curved surface outer flange is connected with an FRP web (3-4) in the direction of the circle center, the other end of each FRP web is connected with the FRP curved surface inner flange (3-5), the four FRP curved surface outer flanges enclose a cylinder, and the adjacent FRP curved surface outer flanges are connected through buckles (3-6).
5. The FRP diagonal brace of the hyperbolic cooling tower as recited in claim 1, wherein: the X-shaped oblique support single body, the second ring beam single body and the FRP connecting piece (6) are connected through four connecting steel plates B (7) and bolts, and the four connecting steel plates B (7) are respectively arranged at the intersection of the joint of the two adjacent FRP curved surface outer flanges (3-3) and the FRP connecting piece (6).
6. The FRP diagonal brace of the hyperbolic cooling tower as recited in claim 1, wherein: the first ring beam (1) is an FRP-concrete combined beam formed by pouring concrete after a plurality of FRP I-shaped components are assembled.
7. The FRP diagonal brace of the hyperbolic cooling tower as recited in claim 6, wherein: the FRP I-shaped member is formed by connecting two FRP I-shaped member monomers (1-1) by two connecting steel plates A (1-3) and bolts after staggered overlapping, the cross section of each FRP I-shaped member monomer is I-shaped, a web plate is arranged in two layers in a stepped manner, four bolt holes are arranged on the longer part, two bolt holes are arranged on the shorter part, eight bolt holes are arranged on the lower flange, and four bolt holes are arranged on the upper flange; the connecting steel plate A (1-3) is integrally of a U-shaped structure, two side faces of the U-shaped steel plate are respectively provided with a row of six screw holes, the bottom face of the U-shaped steel plate is provided with two rows of screw holes, and the number of each row of screw holes is six.
8. The FRP diagonal brace of the hyperbolic cooling tower as recited in claim 1, wherein: the steel connecting piece (8) comprises a fixed cylinder (8-1) and a bottom plate (8-3), the fixed cylinder can accommodate an X-shaped oblique supporting column monomer, the fixed cylinder is obliquely arranged on the bottom plate, four stiffening ribs A (8-2) are uniformly arranged on the outer surface of the fixed cylinder along the circumferential direction, four corner positions of the bottom plate are respectively provided with a bolt hole (8-4), two steel connecting pieces are embedded in each column pier, and the inclination angle of the fixed cylinder is the same as the single inclination angle of the X-shaped oblique supporting column connected with the fixed cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022773334.6U CN213979585U (en) | 2020-11-26 | 2020-11-26 | FRP oblique strut of hyperbolic cooling tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022773334.6U CN213979585U (en) | 2020-11-26 | 2020-11-26 | FRP oblique strut of hyperbolic cooling tower |
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| Publication Number | Publication Date |
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| CN213979585U true CN213979585U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022773334.6U Expired - Fee Related CN213979585U (en) | 2020-11-26 | 2020-11-26 | FRP oblique strut of hyperbolic cooling tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324052A (en) * | 2020-11-26 | 2021-02-05 | 沈阳建筑大学 | FRP oblique strut of hyperbolic cooling tower |
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2020
- 2020-11-26 CN CN202022773334.6U patent/CN213979585U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324052A (en) * | 2020-11-26 | 2021-02-05 | 沈阳建筑大学 | FRP oblique strut of hyperbolic cooling tower |
| CN112324052B (en) * | 2020-11-26 | 2024-06-25 | 沈阳建筑大学 | Hyperbolic FRP (fiber reinforced Plastic) inclined strut of cooling tower |
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