CN113445668A - Prestressed cable net structure beam - Google Patents
Prestressed cable net structure beam Download PDFInfo
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- CN113445668A CN113445668A CN202110821529.XA CN202110821529A CN113445668A CN 113445668 A CN113445668 A CN 113445668A CN 202110821529 A CN202110821529 A CN 202110821529A CN 113445668 A CN113445668 A CN 113445668A
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- 230000000712 assembly Effects 0.000 claims abstract description 25
- 238000000429 assembly Methods 0.000 claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000003351 stiffener Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
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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
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The embodiment of the invention discloses a prestressed cable net structure beam, and relates to the technical field of cable net structures. The prestressed cable mesh structural beam comprises a cable truss mechanism and a plurality of supporting assemblies arranged at intervals along a first direction. The cable truss mechanism comprises at least four prestressed cables and a plurality of transverse stiffening truss structures, so that the rigidity of the prestressed cable net structure beam can be improved through the arrangement of the transverse stiffening truss structures, and particularly the rigidity of the middle part of the prestressed cable can be improved. Furthermore, each connecting truss in the same transverse stiffening truss structure is surrounded to form a plane, the area of each plane is gradually reduced from one side close to the support component to the side far away from the support component, and therefore the prestress of different positions of the prestress cables is changed, the rigidity of the prestress cable net structural beam is further improved, the prestress cable net structural beam has the characteristics of light dead weight, large vertical and horizontal rigidity, strong spanning capability and certain torsion resistance, and has wide application prospect in structural engineering.
Description
Technical Field
The invention relates to the technical field of cable net structures, in particular to a prestressed cable net structure beam.
Background
With the development of building structures, the characteristic that the self-weight spanning capability of traditional steel beams and reinforced concrete beams is weak is gradually highlighted. The cable structures such as the steel strand and the steel wire rope have the advantages of light dead weight, strong bearing capacity and large spanning capacity, and have the potential of replacing the traditional steel beam and the reinforced concrete beam after the reasonable structural design. However, the existing cable structure is soft, so that the rigidity is small, the deformation is large, and torsion resistance cannot be realized.
Disclosure of Invention
Based on this, it is necessary to provide a prestressed cable mesh structural beam, aiming at solving the technical problem that the rigidity of the existing cable structure is too small.
In order to solve the technical problems, the invention adopts the technical scheme that:
a prestressed cable-mesh structural beam, comprising:
the number of the supporting assemblies is multiple, and the supporting assemblies are arranged at intervals along a first direction; and
the cable truss mechanism comprises at least four prestressed cables and a plurality of transverse stiffening truss structures, each prestressed cable connects the support assemblies into a whole along the first direction, each transverse stiffening truss structure is arranged at intervals along the first direction, each transverse stiffening truss structure comprises a connecting truss and a reinforcing truss, the adjacent prestressed cables are connected through the connecting trusses, the prestressed cables arranged at intervals are connected through the reinforcing trusses, each connecting truss in the same transverse stiffening truss structure is surrounded to form a plane, and the area of each plane is gradually reduced from one side close to the support assemblies to the side far away from the support assemblies.
In some embodiments of the prestressed cable mesh structural girder, the prestressed cables are in a spatial arc shape, the horizontal and vertical distances between the prestressed cables at the ends of the prestressed cables are large, and the horizontal and vertical distances between the prestressed cables at the midspan positions of the prestressed cables are small.
In some embodiments of the prestressed cable mesh structural beam, the connection truss is perpendicular to the prestressed cables.
In some embodiments of the prestressed cable mesh structural beam, the reinforcing truss is coplanar with the connecting truss such that the transverse stiffeners are perpendicular to the prestressed cables.
In some embodiments of the prestressed cable mesh structural girder, the connection truss is connected to the prestressed cables by a connection member.
In some embodiments of the prestressed cable mesh structural beam, the number of the prestressed cables is four, and the prestressed cable mesh structural beam includes two upper prestressed cables and a lower prestressed cable located right below the upper prestressed cables, the support assembly includes a column, and an upper connecting rod and a lower connecting rod located on the column, the upper connecting rod and the lower connecting rod are parallel to each other, the upper connecting rod is located above the lower connecting rod, two ends of the upper connecting rod are connected to one end of the two upper prestressed cables in a one-to-one correspondence manner, and two ends of the lower connecting rod are connected to one end of the two lower prestressed cables in a one-to-one correspondence manner.
In some embodiments of the prestressed cable mesh structural beam, the vertical columns counteract horizontal forces by means of cable-stayed steel strands or anchor rods anchored to the ground.
In some embodiments of the prestressed cable mesh structural beam, the prestressed cables are steel strands or steel wires, the reinforcing truss and the connecting truss are steel trusses, and the upper prestressed cables and the lower prestressed cables are prestressed and connected to the support assembly.
The embodiment of the invention has the following beneficial effects:
the prestressed cable net structure beam has excellent supporting efficiency and higher rigidity. Specifically, the prestressed cable mesh structural beam comprises a cable truss mechanism and a plurality of support assemblies arranged at intervals along a first direction. The cable truss mechanism comprises at least four prestressed cables and a plurality of transverse stiffening truss structures, each prestressed cable is connected with each supporting component into a whole along a first direction, each transverse stiffening truss structure is arranged at intervals along the first direction, each transverse stiffening truss structure comprises a connecting truss and a reinforcing truss, adjacent prestressed cables are connected through the connecting trusses, prestressed cables arranged at intervals are connected through the reinforcing trusses, the rigidity of a prestressed cable net structure beam can be improved through arrangement of the transverse stiffening truss structures, and especially the rigidity of the middle part of each prestressed cable is improved. Furthermore, each connecting truss in the same transverse stiffening truss structure is surrounded to form a plane, the area of each plane is gradually reduced from one side close to the support component to the side far away from the support component, and therefore the prestress of different positions of the prestress cables is changed, the rigidity of the prestress cable net structural beam is further improved, the prestress cable net structural beam has the characteristics of light dead weight, large vertical and horizontal rigidity, strong spanning capability and certain torsion resistance, and has wide application prospect in structural engineering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a schematic view of a prestressed cable mesh structural beam in one embodiment;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a partial schematic view of a support assembly in one embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The prestressed cable mesh structure beam provided by the embodiment of the invention is a flexible supporting structure. For example, in the embodiment, the prestressed cable mesh structural beam can be used for supporting the photovoltaic module to provide flexible support for the photovoltaic module; of course, in other embodiments of the present invention, the prestressed cable mesh structural beam can also be used for flexibly supporting other functional components, which is not limited herein.
Referring to fig. 1 and 2 together, the prestressed cable-network structural beam provided by the present invention will now be described. The prestressed cable mesh structural beam comprises a support assembly 10 and a cable truss mechanism 20. Wherein, the number of the supporting components 10 is a plurality and is arranged along the first direction at intervals. The cable truss means 20 comprises at least four pre-stressed cables and a plurality of transverse stiffening truss structures 21. The prestressing cables connect the support elements 10 together in a first direction. The transverse stiffener structures 21 are spaced apart in a first direction. The transverse stiffening truss structure 21 includes a connecting truss 211 and a reinforcing truss 212. The adjacent prestressed cables are connected through a connecting truss 211. The prestressed cables arranged at intervals are connected through a reinforcing truss 212. Each connecting truss 211 in the same transverse stiffening truss structure 21 is enclosed to form a plane. The area of each plane gradually decreases from the side close to the support member 10 to the side far from the support member 10.
In summary, the embodiment of the invention has the following beneficial effects: the prestressed cable net structure beam has excellent supporting efficiency and higher rigidity. Specifically, the prestressed cable mesh structural girder includes a cable truss mechanism 20 and a plurality of support assemblies 10 spaced apart in a first direction. The cable truss mechanism 20 comprises at least four prestressed cables and a plurality of transverse stiffening truss structures 21, each prestressed cable connects the support assemblies 10 into a whole along a first direction, each transverse stiffening truss structure 21 is arranged at intervals along the first direction, each transverse stiffening truss structure 21 comprises a connecting truss 211 and a reinforcing truss 212, adjacent prestressed cables are connected through the connecting truss 211, the prestressed cables arranged at intervals are connected through the reinforcing truss 212, and therefore the rigidity of the prestressed cable net structural beam can be improved through the arrangement of the transverse stiffening truss structures 21, especially the rigidity of the middle part of the prestressed cable. Furthermore, each connecting truss 211 in the same transverse stiffening truss structure 21 is surrounded to form a plane, the area of each plane is gradually reduced from one side close to the support component 10 to one side far away from the support component 10, so that the prestress of different positions of the prestress cables is changed to further improve the rigidity of the prestress cable net structural beam, so that the prestress cable net structural beam has the characteristics of light dead weight, large vertical and horizontal rigidity, strong spanning capability and certain torsion resistance, and has wide application prospect in structural engineering.
In one embodiment, the prestressed cables are in a spatial arc shape, the horizontal and vertical distances between the adjacent prestressed cables at the end parts of the prestressed cables are larger, and the horizontal and vertical distances between the adjacent prestressed cables at the midspan positions of the prestressed cables are smaller.
In one embodiment, as shown in FIG. 2, connecting truss 211 is perpendicular to the pre-stressed cables. Therefore, the connecting strength between the adjacent prestressed cables can be improved by connecting the truss 211 perpendicular to the prestressed cables, the torsional resistance between the prestressed cables is improved, the lateral wind resistance of the prestressed cables is further improved, and the phenomenon that the prestressed cable net structure beam vibrates and overturns by a large margin is avoided. The positional relationship between the connecting truss 211 and the prestressed cable includes, but is not limited to, the following relationships: the connecting trusses 211 may be located outside the prestressed cables and connected to the prestressed cables, and each prestressed cable is located in a space surrounded by each connecting truss 211. Or, the connecting trusses 211 may be located inside the prestressed cables and connected to the prestressed cables, and each prestressed cable is located outside the space enclosed by each connecting truss 211. Or, the connecting trusses 211 may be connected to the neighboring prestressed cables at both ends thereof, respectively. It is understood that in other embodiments, the connecting truss 211 and the prestressed cable may be symmetrically disposed in the cable truss structure 20.
In some embodiments, the plane of connecting truss 211 and the plane of reinforcing truss 212 may not be coplanar, and are used to increase the stiffness of the prestressed cables, respectively. Specifically, the reinforcing truss 212 is disposed perpendicular to the prestressed cables. The reinforcing trusses 212 in the same transverse stiffening truss structure 21 are coplanar. I.e., the plane of connecting girders 211 and the plane of reinforcing girders 212 are parallel to each other. The planes in which the reinforcing trusses 212 lie are between adjacent planes. Further, the planes of the reinforcing girders 212 lie on the symmetry planes of adjacent planes. Therefore, the stress at each position of the prestressed cable can be ensured to be relatively uniform, and the stability of the prestressed cable net structure beam is further improved. Further, the reinforcing trusses 212 may be overlapped and can slide relatively during use to perform fine adjustment, so as to avoid local stress concentration caused by machining errors, which may result in unstable structure of the transverse stiffening truss structure 21. It is understood that in other embodiments, the reinforcing trusses 212 are fixedly connected, i.e., the middle portions of the two reinforcing trusses 212 are integrally connected. This improves the structural stability of the transverse stiffening truss structure 21, and allows each prestressed cable to have a predetermined shape.
In this embodiment, as shown in fig. 2, the reinforcing truss 212 and the connecting truss 211 are coplanar, so that the transverse stiffening truss 21 is perpendicular to the prestressed cable, and thus it can be ensured that the corresponding reinforcing truss 212 and the connecting truss 211 can act on the same position of the prestressed cable, and the prestressed cable is prevented from being bent due to different acting points, thereby avoiding the weak point of fracture. Meanwhile, the reinforcing trusses 212 are coplanar with the connecting trusses 211, and the force generated by each reinforcing truss 212 and each connecting truss 211 can be ensured to be coplanar, so that the stability of the cable truss mechanism 20 is further improved. Further, as can be seen from the aforementioned fact that the connecting truss 211 is perpendicular to the prestressed cables, the whole transverse stiffening truss structure 21 is perpendicular to the prestressed cables, thereby further improving the stress stability of the prestressed cables.
In one embodiment, with continued reference to FIG. 2, the transverse stiffening truss structures 21 are equally spaced along the extension of the prestressed cables. Therefore, the stress of the prestressed cable is relatively uniform, the instability of the transverse stiffening truss structure 21 caused by the overlarge stress position is avoided, and the failure of the prestressed cable net structure beam caused by the damage to the connecting structure of the transverse stiffening truss structure 21 is avoided. Further, the areas of the planes between adjacent support modules 10 are in a symmetrical relationship to further improve the stability of the cable truss mechanism 20. It will be appreciated that in other embodiments, the transverse stiffening truss structures 21 may also be arranged at unequal intervals along the extension of the pre-stressed cables.
In one embodiment, the connecting truss 211 is connected to the prestressed cables by connectors. It is understood that in other embodiments, the reinforcing truss 212 may be connected to the prestressed cables by connectors. Therefore, the connection of the connecting truss 211 and the reinforcing truss 212 with the prestressed cable can be facilitated through the arrangement of the connecting pieces. In this embodiment, the connecting members may be integrally connected to the connecting truss 211 or the reinforcing truss 212, and the installation positions of the connecting members on the prestressed cables may be preset to ensure that the transverse stiffening truss structure 21 can be arranged on the prestressed cables at equal intervals. It will be appreciated that in other embodiments, the connectors may be releasably connected to the prestressing cables, facilitating adjustment of the position of the connectors and thus of the transverse stiffening truss structure 21, and thus finding a preferred location for connection of the transverse stiffening truss structure 21. Further, the connecting piece can be of an annular structure and comprises a fixing portion and a rotating portion, the fixing portion is used for being connected with the connecting truss 211 or the reinforcing truss 212, one end of the rotating portion is rotatably connected with the fixing portion, the fixing portion and the rotating portion are surrounded to form an annular clamping space, the prestressed cable can penetrate through the clamping space to be clamped on the fixing portion by the rotating portion, and the other end of the rotating portion can be connected with the fixing portion through a bolt or a buckle. It will be appreciated that in other embodiments, the connector may also be in a hook-like configuration, the connector having a snap-fit clearance.
The buckling grooves are arranged at the corresponding positions of the prestressed cables to reduce the radial size of the prestressed cables, so that the prestressed cables at the buckling groove positions can enter the hook-shaped structure through the buckling gaps. Or the prestressed cables at the buckling groove positions can be complementary to the buckling gaps, so that the connecting piece can be prevented from moving relative to the prestressed cables due to the limitation of the buckling grooves, and the stability of the connecting positions of the connecting truss 211 and the reinforcing truss 212 with the prestressed cables is further improved. Meanwhile, the prestressed cable at the buckling groove position can complement the buckling gap, and the influence of the prestressed cable on the rigidity of the prestressed cable due to the fact that the buckling groove is formed can be weakened. The prestressed cable of lock trench position is complementary in the lock clearance after, accessible welding, bonding or connection structure even as an organic whole with connecting piece and prestressed cable, consequently, the lock trench can also play the positioning action to conveniently connect truss 211 and consolidate truss 212 and prestressed cable assembly, improve assembly efficiency, and then reduce the cost of labor.
In one embodiment, one end of adjacent connecting girders 211 and one end of corresponding reinforcing girders 212 are connected by the same connecting member. Therefore, the stress stability of the prestressed cable can be ensured by sharing one connecting piece, namely the directions of all the forces are in the same plane, the prestressed cable is prevented from being twisted, the using amount of the connecting piece can be reduced, and the cost is further reduced. Similarly, the connecting member may have a ring structure including a fixed portion and a rotating portion, wherein the fixed portion is simultaneously connected to the connecting truss 211 and the reinforcing truss 212, so that the adjacent connecting truss 211 and the reinforcing truss 212 form an included angle of 45 °. The one end and the fixed part swivelling joint of rotating part, fixed part and rotating part enclose to establish and form annular centre gripping space, and the prestressing force cable can wear to locate the centre gripping space in order to be connected with fixed part centre gripping on the fixed part by the rotating part centre gripping, the other end accessible bolt or the buckle of rotating part with the fixed part. Likewise, the connecting element can also have a hook-shaped structure, which has a snap-fit gap. The hook structure is simultaneously aligned with connecting girders 211 and reinforcing girders 212 such that adjacent connecting girders 211 and reinforcing girders 212 are at a 45 ° angle. The buckling grooves are arranged at the corresponding positions of the prestressed cables to reduce the radial size of the prestressed cables, so that the prestressed cables at the buckling groove positions can enable the buckling gaps to enter the hook-shaped structures. Or the prestressed cables at the buckling groove positions can be complementary to the buckling gaps, so that the connecting piece can be prevented from moving relative to the prestressed cables due to the limitation of the buckling grooves, and the stability of the connecting positions of the connecting truss 211 and the reinforcing truss 212 with the prestressed cables is further improved. Meanwhile, the prestressed cable at the buckling groove position can complement the buckling gap, and the influence of the prestressed cable on the rigidity of the prestressed cable due to the fact that the buckling groove is formed can be weakened. The prestressed cable at the buckling groove position can connect the connecting piece and the prestressed cable into a whole through welding or bonding or a connecting structure after being complemented with the buckling gap, so that the buckling groove can also improve the positioning effect so as to conveniently connect the truss 211 and the reinforced truss 212 to be assembled with the prestressed cable and the prestressed cable, improve the assembly efficiency and further reduce the labor cost.
In one embodiment, referring to fig. 1 to 3 together, the number of the prestressed cables is four, and the prestressed cables include two upper prestressed cables 22 and a lower prestressed cable 23 located right below the upper prestressed cables 22. The two upper prestressed cables 22 and the two lower prestressed cables 23 are distributed in a rectangular shape. The arrangement of the transverse stiffening truss structure 21 enables the above-described distribution of the two upper 22 and two lower 23 prestressed cables to be maintained. As shown in fig. 3, the support assembly 10 includes a column 11 and upper and lower connecting rods 12 and 13 on the column 11. The upper connecting rod 12 and the lower connecting rod 13 are parallel to each other. The upper connecting rod 12 is located above the lower connecting rod 13, two ends of the upper connecting rod 12 are connected with one end of two upper prestressed cables 22 in a one-to-one correspondence manner, and two ends of the lower connecting rod 13 are connected with one end of two lower prestressed cables 23 in a one-to-one correspondence manner. In this embodiment, the number of the supporting assemblies 10 is three, and the supporting assemblies are arranged at a time along the first direction, two ends of the prestressed cable are respectively connected with the supporting assemblies 10 located at two sides, and the supporting assembly 10 located at the middle part can further improve the stability of the prestressed cable. It is understood that in other embodiments, the number of the support assemblies 10 may also be two, four or more, and each support assembly 10 is sequentially arranged along the first direction. In addition, in other embodiments, the number of the supporting assemblies 10 is multiple, and each supporting assembly 10 may also be distributed in a matrix, that is, the supporting assemblies 10 arranged at intervals along the first direction further include the supporting assemblies 10 arranged at intervals along the second direction, wherein the first direction is perpendicular to the second direction.
In another embodiment, the number of the prestressed cables may also be five or more, and each prestressed cable is distributed in a polygon shape. The adjacent prestressed cables are connected through a connecting truss 211. The prestressed cables arranged at intervals are connected through a reinforcing truss 212.
In one embodiment, as shown in fig. 1, the vertical column 11 counteracts the horizontal force by means of the cable-stayed steel strands or anchors 231, which cable-stayed steel strands or anchors 231 are anchored to the ground. In this embodiment, the cable-stayed steel strand or anchor rod 231 is connected to the fixing column 30.
In one embodiment, the upper connecting rod 12 includes two first branches 121, the first branches 121 are in a right trapezoid shape, the large end of the first branch 121 is connected to the upright 11, the right-angled waist of the first branch 121 is perpendicular to the upright 11, the two ends of the upper connecting rod 12 are respectively provided with a first connecting portion 122, the first connecting portion 122 is provided on the right-angled waist of the first branch 121, and the first connecting portion 122 is used for connecting with the upper prestressed cable 22. The lower connecting rod 13 comprises two second branches 131, the second branches 131 are in a right-angle trapezoid shape, the large ends of the second branches 131 are connected with the upright post 11, the right-angle waist of the second branches 131 is perpendicular to the upright post 11, the two ends of the lower connecting rod 13 are respectively provided with a second connecting part 132, the second connecting parts 132 are arranged on the right-angle waist of the second branches 131, the second connecting parts 132 are used for being connected with the lower prestressed cable 23, and the right-angle waist of the first branches 121 deviates from the right-angle waist of the second branches 131. In the using process, the upper prestressed cable 22 is connected with the first connecting portion 122 to provide a downward pressure to the first branch 121, the first connecting portion 122 is disposed on the right-angled waist of the first branch 121, and the right-angled waist of the first branch 121 is away from the right-angled waist of the second branch 131, so that the downward pressure acts on the first branch 121 through the first connecting portion 122, so that the first branch 121 bends downward, at this time, because the inclined waist of the first branch 121 is disposed obliquely upward from the pillar 11, when the first branch 121 is subjected to the downward pressure, the inclined waist of the first branch 121 has a tendency of being compressed, and the tendency can prevent the first branch 121 from continuing to bend downward, thereby improving the structural stability of the support assembly 10, and further preventing the position of the upper prestressed cable 22 from being changed to affect the overall stability of the cable truss mechanism 20. Similarly, in use, the lower prestressed cable 23 is connected to the second connecting portion 132 to provide a downward pressure to the second branch 131, the second connecting portion 132 is disposed at the right-angled waist of the second branch 131, and the right-angled waist of the first branch 121 is away from the right-angled waist of the second branch 131, so that the downward pressure is actually a downward pulling force, this pulling force acts on the second branch 131 through the second connecting portion 132, so that the second branch 131 is bent downward, and at this time, since the lumbar support post 11 of the second branch 131 is disposed obliquely downward, when the second branch 131 is under the downward pulling force, the oblique waist of the second branch 131 tends to be stretched, this tendency can prevent the second leg 131 from continuing to bend downward, thereby increasing the structural stability of the support assembly 10, further, the position of the lower prestressed cable 23 is prevented from being changed, and the stability of the entire cable truss mechanism 20 is prevented from being affected. Such an arrangement can further improve the stability of the support assembly 10 as a whole.
In this embodiment, the prestressed cables are steel strands or steel wires, the reinforcing truss 212 and the connecting truss 211 are steel trusses, and the upper prestressed cable 22 and the lower prestressed cable 23 are prestressed and connected to the support assembly 10. The number of the support members 10 is three and is sequentially arranged in the first direction. Nine transverse stiffener structures 21 are provided between adjacent support assemblies 10. Nine transverse stiffening truss structures 21 and two adjacent corresponding support assemblies 10 are arranged at equal intervals, each connecting truss 211 in the same transverse stiffening truss structure 21 is enclosed to form a plane, and the area of each plane is reduced from one side close to the support assemblies 10 to one side far away from the support assemblies 10. Namely, the area of each plane on one side of the support component 10 from the symmetrical surface of the adjacent support component 10 is gradually increased, and the ratio of the areas of the adjacent planes is 1.21-1.44.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (8)
1. Prestressed cable net structure roof beam, its characterized in that includes:
the number of the supporting assemblies is multiple, and the supporting assemblies are arranged at intervals along a first direction; and
the cable truss mechanism comprises at least four prestressed cables and a plurality of transverse stiffening truss structures, each prestressed cable connects the support assemblies into a whole along the first direction, each transverse stiffening truss structure is arranged at intervals along the first direction, each transverse stiffening truss structure comprises a connecting truss and a reinforcing truss, the adjacent prestressed cables are connected through the connecting trusses, the prestressed cables arranged at intervals are connected through the reinforcing trusses, each connecting truss in the same transverse stiffening truss structure is surrounded to form a plane, and the area of each plane is gradually reduced from one side close to the support assemblies to the side far away from the support assemblies.
2. The prestressed cable mesh structural girder of claim 1, wherein the prestressed cables are in a shape of a spatial arc, horizontal and vertical distances between the prestressed cables are relatively large at ends of the prestressed cables, and horizontal and vertical distances between the prestressed cables are relatively small at mid-span positions of the prestressed cables.
3. The prestressed cable mesh structural beam of claim 1, wherein said connecting trusses are perpendicular to said prestressed cables.
4. The prestressed cable mesh structural beam of claim 3, wherein said reinforcing truss is coplanar with said connecting truss such that said transverse stiffeners are perpendicular to said prestressed cables.
5. The prestressed cable mesh structural beam of claim 4, wherein said connecting truss is connected to said prestressed cables by means of connecting members.
6. The prestressed cable mesh structural beam as claimed in any one of claims 1 to 5, wherein the number of the prestressed cables is four, and the prestressed cables include two upper prestressed cables and a lower prestressed cable located directly under the upper prestressed cables, the supporting assembly includes a column, and an upper connecting rod and a lower connecting rod located on the column, the upper connecting rod and the lower connecting rod are parallel to each other, the upper connecting rod is located above the lower connecting rod, two ends of the upper connecting rod are connected to one end of the two upper prestressed cables in a one-to-one correspondence manner, and two ends of the lower connecting rod are connected to one end of the two lower prestressed cables in a one-to-one correspondence manner.
7. The prestressed cable mesh structural beam of claim 6, wherein said vertical columns counteract horizontal forces by means of cable-stayed steel strands or anchor rods anchored to the ground.
8. The prestressed cable mesh structural beam of claim 7, wherein said prestressed cables are steel strands or steel wire ropes, said reinforcing truss and said connecting truss are steel trusses, and said upper prestressed cables and said lower prestressed cables are prestressed to be connected to said support members.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821529.XA CN113445668A (en) | 2021-07-20 | 2021-07-20 | Prestressed cable net structure beam |
| PCT/CN2022/085202 WO2023000712A1 (en) | 2021-07-20 | 2022-04-03 | Prestressed cable-net structural beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821529.XA CN113445668A (en) | 2021-07-20 | 2021-07-20 | Prestressed cable net structure beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113445668A true CN113445668A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110821529.XA Pending CN113445668A (en) | 2021-07-20 | 2021-07-20 | Prestressed cable net structure beam |
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| Country | Link |
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| CN (1) | CN113445668A (en) |
| WO (1) | WO2023000712A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483877A (en) * | 2022-10-12 | 2022-12-16 | 长江勘测规划设计研究有限责任公司 | Angle truss type purlin multirow photovoltaic module cable bearing structure |
| WO2023000712A1 (en) * | 2021-07-20 | 2023-01-26 | 深圳市安泰科柔性科技有限公司 | Prestressed cable-net structural beam |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09279518A (en) * | 1996-04-15 | 1997-10-28 | Kawasaki Steel Corp | King post used for cable trussed bridge and erection method thereof |
| US8381464B2 (en) * | 2003-04-02 | 2013-02-26 | P4P Holdings Llc | Solar array support methods and systems |
| US20080168981A1 (en) * | 2006-08-25 | 2008-07-17 | Coolearth Solar | Rigging system for supporting and pointing solar concentrator arrays |
| WO2014153319A1 (en) * | 2013-03-21 | 2014-09-25 | P4P Holdings, LLC | Solar array system for covering a body of water |
| CN105305940A (en) * | 2015-09-22 | 2016-02-03 | 杭州华鼎太阳能科技有限公司 | Cable truss and smart cable truss system |
| CN105625577B (en) * | 2016-02-05 | 2017-10-27 | 中国航空规划设计研究总院有限公司 | Dismountable large-span prestressed integral tension awning and its construction method |
| CN108322157A (en) * | 2018-02-10 | 2018-07-24 | 通威股份有限公司 | A kind of flexible support structure based on prestressing force double-layer cable |
| CN109629693A (en) * | 2019-02-12 | 2019-04-16 | 中建钢构有限公司 | The orthogonal suspended-cable structure of large span self-anchored type and construction method |
| CN110323998A (en) * | 2019-07-29 | 2019-10-11 | 国网安徽省电力有限公司经济技术研究院 | A kind of pretension solid flexible cable structure photovoltaic bracket module and system |
| CN113445668A (en) * | 2021-07-20 | 2021-09-28 | 深圳市安泰科能源环保股份有限公司 | Prestressed cable net structure beam |
-
2021
- 2021-07-20 CN CN202110821529.XA patent/CN113445668A/en active Pending
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2022
- 2022-04-03 WO PCT/CN2022/085202 patent/WO2023000712A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000712A1 (en) * | 2021-07-20 | 2023-01-26 | 深圳市安泰科柔性科技有限公司 | Prestressed cable-net structural beam |
| CN115483877A (en) * | 2022-10-12 | 2022-12-16 | 长江勘测规划设计研究有限责任公司 | Angle truss type purlin multirow photovoltaic module cable bearing structure |
Also Published As
| Publication number | Publication date |
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| WO2023000712A1 (en) | 2023-01-26 |
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