CN218633779U

CN218633779U - Large-span suspension cable flexible support

Info

Publication number: CN218633779U
Application number: CN202222168268.9U
Authority: CN
Inventors: 闫一嘉; 周颖
Original assignee: Nanjing Tianzhijie New Energy Co ltd
Current assignee: Nanjing Tianzhijie New Energy Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-03-14
Anticipated expiration: 2032-08-17

Abstract

The utility model relates to the technical field of photovoltaic supports, in particular to a large-span suspension cable flexible support, which comprises a suspension cable mechanism and support mechanisms positioned at two ends of the suspension cable mechanism; the suspension cable mechanism comprises a plurality of suspension cable units arranged in parallel, each suspension cable unit comprises a pair of bearing cables and a stabilizing cable positioned between the bearing cables, the supporting mechanism comprises a supporting plate, a suspension cable and a plurality of supporting columns fixed to the lower end of the supporting plate, the suspension cable mechanism is used for installing a photovoltaic panel structure, the supporting plate of the supporting mechanism is mainly used for connecting the suspension cable units to ensure stable support of the suspension cable units, the suspension cable and the vibration reduction suspension rod are arranged to form a cable arch system, and the suspension cable structure can reduce the shaking of the whole photovoltaic support under the action of wind; the flexibility of the structure under the action of vertical load is reduced, the overall performance of the structure is better than that of a traditional rigid photovoltaic support and a traditional flexible photovoltaic support system, and the structure can be used for crossing areas such as large-section channels and valleys.

Description

Large-span suspension cable flexible support

Technical Field

The utility model relates to a photovoltaic support technical field, concretely relates to big span suspension cable flexible support.

Background

The photovoltaic is a solar photovoltaic power generation system for short, is a novel power generation system which directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of a solar cell semiconductor material and has two modes of independent operation and grid-connected operation. Meanwhile, solar photovoltaic power generation systems are classified, and one is centralized, such as a large northwest ground photovoltaic power generation system; one is distributed (with >6MW as boundary), such as factory building roof photovoltaic power generation system of industry and commerce, resident house roof photovoltaic power generation system.

Most of the existing flexible photovoltaic support structures are double-cable systems, three-cable and strut systems or bearing cable and stabilizing cable systems; taking CN214959376U in the prior art as an example, in the scheme, by arranging the first steel, the round pipes, the second steel, the cross beams and the corner supports in a whole matching manner, a plurality of round pipes can be arranged between the first steel and the second steel which are long, the length of the whole photovoltaic support is increased, and the whole photovoltaic support is stabilized by welding the cross beams and the corner supports between the first upright post and the second upright post.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims to provide a big span suspension cable flexible support, this flexible support have anti rocking, anti wind pressure ability, can ensure structure rigidity moreover, reduce the wind and shake the influence.

The utility model provides a large span suspension cable flexible support, which comprises a suspension cable mechanism and support mechanisms positioned at two ends of the suspension cable mechanism; the suspension cable mechanism comprises a plurality of suspension cable units arranged in parallel, each suspension cable unit comprises a pair of bearing cables, a stabilizing cable positioned between the bearing cables and a plurality of bearing blocks arranged along the length direction of the stabilizing cable, each bearing block penetrates through each bearing cable and the stabilizing cable, and the bearing blocks are used for fixing the photovoltaic panel; adjacent bearing blocks on each suspension cable unit are connected through a connecting rod; the supporting mechanism comprises a supporting plate, a sling and a plurality of supporting columns fixed at the lower end of the supporting plate, the end part of the bearing cable penetrates through the supporting plate and inclines downwards to be fixed on the ground to form a cable-stayed part, and the stabilizing cable penetrates through the supporting plate and is fixed through a pre-tightening mechanism; the suspension cable is positioned above the two ends of the supporting plate and arranged along the extending direction of the suspension cable units, the end part of the suspension cable is connected with a fixing frame arranged at the upper end of the supporting plate, a plurality of vibration reduction suspension rods are arranged on the suspension cable, and each bearing block positioned on the suspension cable units at the two ends of the supporting plate is connected with the lower end of one corresponding vibration reduction suspension rod.

In the technical scheme, the suspension cable mechanism is used for installing the photovoltaic panel structure, and the supporting mechanisms positioned at the two ends of the suspension cable mechanism are used for stably supporting the whole mechanism; the suspension cable units of the suspension cable mechanism are arranged in parallel, the stable cables are arranged between the adjacent bearing cables, deformation and tension of the bearing cables can be reduced after prestress is applied, and the bearing blocks on the suspension cable units are connected through the connecting rods, so that the safety of the structure of each suspension cable unit can be improved.

The supporting plate of the supporting mechanism is mainly used for connecting the suspension cable unit to ensure stable support of the suspension cable unit, and a cable arch system is formed by arranging a sling and a vibration reduction suspender, so that the sway of the whole photovoltaic support under the action of wind power can be reduced by the sling structure, the vertical displacement and the lateral displacement under the action of wind power load are small, and the stability is strong; the structure has the advantages of being beneficial to reducing the deflection of the structure under the action of vertical load, large in span, capable of being used for crossing areas such as large-section channels and valleys, and superior to a traditional rigid photovoltaic support and a traditional flexible photovoltaic support system in overall performance.

Furthermore, a ball head hinged support used for installing the photovoltaic panel is arranged at the upper end of the bearing block.

Furthermore, the bearing block is provided with a mounting hole for the bearing cable and the stabilizing cable to pass through, and a fixing nut for fixing the stabilizing cable and the bearing cable is arranged at the hole opening of the mounting hole.

Furthermore, inclined pulling fixing sections which are arranged in a downward inclined mode are arranged at the two ends of the sling.

Furthermore, the lower end of each bearing block on the suspension cable unit is connected with a stabilizing frame which is arranged in an inverted triangle, a horizontal connecting cable which is arranged along the suspension cable unit is arranged below the stabilizing frame, and two ends of the horizontal connecting cable are inclined upwards and fixedly connected with the supporting plate.

Furthermore, the pre-tightening mechanism comprises a fixing column in threaded connection with the end of the stabilizing cable, the fixing column horizontally penetrates through the supporting plate, a pre-tightening part is arranged at one end, penetrating through the supporting plate, of the fixing column, a pre-tightening nut is arranged on the pre-tightening part, and a pre-tightening spring located between the outer side face of the supporting column and the pre-tightening nut is sleeved on the pre-tightening part.

Furthermore, the support column comprises a vertical column and an inclined pull column, the lower end of the support column is also provided with a pre-embedded base, and the two ends of the vertical column and the two ends of the inclined pull column are respectively fixedly connected with the support plate and the pre-embedded base.

Furthermore, a reinforcing rod which is arranged in a crossed manner is arranged between two corresponding adjacent vertical columns below the supporting plate, and the end part of the reinforcing rod is connected with the outer sides of the vertical columns.

Furthermore, the long one side of pre-buried base is equipped with the interval and arranges a plurality of solid fixed rings that are used for connecting hoist cable and bearing cable tip, gu fixed ring is the shape of falling U and arranges.

Furthermore, the damping jib is including the damping pole that has the elasticity, the damping pole both ends be equipped with can with hoist cable and bearing block fixed connection damping connecting portion.

The utility model has the advantages that: the utility model discloses a each suspension cable unit of suspension cable mechanism arranges side by side, through set up the stable cable between adjacent bearing cable, can reduce bearing cable's deformation and tension after applying prestressing force, utilizes the connecting rod to connect between the bearing block on each suspension cable unit, can promote the security of each suspension cable unit structure; the supporting mechanism forms a cable arch system by arranging the sling and the vibration reduction hanger rod, so that the deflection of the structure under the action of vertical load can be reduced, the span is larger, the sling structure can reduce the shaking of the whole photovoltaic support under the action of wind power, the vertical displacement and the lateral displacement under the action of wind power load are smaller, the stability is strong, and the photovoltaic support can be used for crossing areas such as large-section channels, valleys and the like; the overall performance is better than that of the traditional rigid photovoltaic bracket and flexible photovoltaic bracket system.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a perspective view of a large-span suspension cable flexible stent provided by an embodiment of the present invention.

Fig. 2 is a schematic view of the installation of a photovoltaic panel of a large-span suspension cable flexible support provided by the embodiment of the present invention.

FIG. 3 is a view of the installation of the stabilizing cable of the flexible support for a large span suspension cable according to an embodiment of the present invention

Reference numerals: the suspension cable unit 100, the bearing cable 110, the diagonal draw part 111, the stabilizing cable 120, the bearing block 130, the connecting rod 200, the supporting plate 300, the suspension cable 400, the diagonal draw fixing section 410, the supporting column 500, the vertical upright column 510, the diagonal draw column 520, the vibration reduction suspension rod 600, the ball head hinge seat 700, the fixing nut 800, the stabilizing frame 900, the horizontal connecting cable 1000, the fixing column 1100, the pre-tightening nut 1200, the pre-tightening spring 1300, the pre-buried base 1400, the reinforcing rod 1500 and the fixing ring 1600.

Detailed Description

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1 to 3, the present invention provides a flexible support for a large-span suspension cable, which includes a suspension cable mechanism and support mechanisms at two ends of the suspension cable mechanism; the suspension cable mechanism comprises a plurality of suspension cable units 100 which are arranged in parallel, wherein each suspension cable unit 100 comprises a pair of bearing cables 110, a stabilizing cable 120 positioned between the bearing cables 110, and a plurality of bearing blocks 130 which are arranged along the length direction of the stabilizing cable 120, the bearing blocks 130 penetrate through the bearing cables 110 and the stabilizing cables 120, and the bearing blocks 130 are used for fixing the photovoltaic panel; the adjacent bearing blocks 130 of each suspension cable unit 100 are connected by a connecting rod 200. The suspension cable mechanism in this embodiment is used for installing the photovoltaic panel structure, and the support mechanisms at the two ends of the suspension cable mechanism are used for stably supporting the whole mechanism. The suspension cable units 100 of the suspension cable mechanism are arranged in parallel, the stabilizing cable 120 is arranged between the adjacent bearing cables 110, deformation and tension of the bearing cables 110 can be reduced after prestress is applied, the bearing blocks 130 on the suspension cable units 100 are connected through the connecting rods 200, safety of the structure of each suspension cable unit 100 can be improved, and in practical application, the bearing cables 110 and the stabilizing cable 120 mainly adopt a steel strand structure.

As shown in fig. 1 to 3, the supporting mechanism for supporting each suspension cable unit 100 includes a supporting plate 300, a suspension cable 400 and a plurality of supporting columns 500 fixed to the lower end of the supporting plate 300, the end of the bearing cable 110 passes through the supporting plate 300 and is fixed to the ground in a downward inclination manner to form a diagonal part 111, and the stabilizing cable 120 passes through the supporting plate 300 and is fixed by a pre-tightening mechanism; the sling 400 is positioned above the two ends of the support plate 300 and arranged along the extending direction of the suspension cable unit 100, the end part of the sling 400 is connected with the fixing frame arranged at the upper end of the support plate 300, the sling 400 is provided with a plurality of vibration reduction suspension rods 600, and each bearing block 130 on the suspension cable unit 100 positioned at the two ends of the support plate 300 is connected with the lower end of a corresponding vibration reduction suspension rod 600.

As shown in fig. 1 to 3, the support plate 300 of the support mechanism is mainly used to connect the suspension unit 100 to ensure stable support of the suspension unit 100, the stabilizer cable 120 is fixed to the support plate 300 by the preloading mechanism, and the load bearing cable 110 is fixed in a diagonal manner by the diagonal portion 111 after passing through the support plate 300 to ensure stability of the load bearing cable 110 and prevent the suspension unit 100 from greatly shaking. In addition, the supporting mechanism is also provided with a sling 400 and a vibration damping suspender 600 to form a cable arch system, which is beneficial to reducing the deflection of the structure under the action of vertical load, the whole span is larger, the sling 400 structure can reduce the shaking of the whole photovoltaic bracket under the action of wind power, the vertical displacement and the lateral displacement under the action of wind power load are smaller, the stability is strong, and the photovoltaic bracket can be used for spanning areas such as large-section channels, valleys and the like.

As mentioned above, in practical applications, the photovoltaic panel is installed on the bearing block 130 of each suspension cable unit 100, and in order to facilitate installation and to facilitate adjustment of the structure angle of the photovoltaic panel, the ball pivot 700 for installing the photovoltaic panel is provided at the upper end of the bearing block 130. The photovoltaic plate structure installed through the ball-end hinged support 700 has good stability, and can realize angle adjustment, in some embodiments, the ball-end hinged support 700 can also adopt an electric hinged support structure, so that automatic angle adjustment is realized.

As shown in fig. 1 to 3, the bearing wires 110 and the stabilizing wires 120 of the suspension wire unit 100 need to pass through a plurality of bearing blocks 130, and in this embodiment, mounting holes for passing the bearing wires 110 and the stabilizing wires 120 are formed in the bearing blocks 130, and fixing nuts 800 for fixing the stabilizing wires 120 and the bearing wires 110 are formed in openings of the mounting holes. Thus, after the bearing cable 110 and the stabilizing cable 120 pass through the mounting holes, the bearing block 130 can be fixed and positioned by the fixing nut 800 to prevent the bearing block from sliding.

As shown in fig. 1 to 3, the sling 400 of the present embodiment is configured to form a cable arch system, so as to increase the overall span of the device, and in order to increase the stability, the two ends of the sling 400 of the present embodiment are provided with cable-stayed fixing segments 410 arranged in a downward inclination manner. The two ends of the sling 400 can be installed in a diagonal pulling fixing mode, so that the shaking of the whole support under the action of wind power is further reduced, and the wind resistance of the whole photovoltaic support is improved.

As shown in fig. 1 to 3, in order to reduce the deformation of the suspension cable unit 100 and increase the torsional rigidity of the suspension cable unit 100, in this embodiment, a stabilizer 900 arranged in an inverted triangle is connected to the lower end of each bearing block 130 on the suspension cable unit 100, a horizontal connecting cable 1000 arranged along the suspension cable unit 100 is arranged below the stabilizer 900, and both ends of the horizontal connecting cable 1000 are inclined upward and fixedly connected to the support plate 300. The stabilizer 900 may be secured to the bearing block 130 by a bolted connection.

As described above, the end of the stabilizing cable of the suspension cable unit in the bracket needs to be fixed on the support plate 300 by the pre-tightening mechanism, the pre-tightening mechanism in this embodiment includes the fixing column 1100 screwed with the end of the stabilizing cable 120, the fixing column 1100 horizontally passes through the support plate 300, one end of the fixing column 1100 passing through the support plate 300 is provided with the pre-tightening part, the pre-tightening part is provided with the pre-tightening nut 1200, and the pre-tightening part is sleeved with the pre-tightening spring 1300 located between the outer side surface of the support column 500 and the pre-tightening nut 1200. Thus, the fixing column 1100 can be connected to the stabilizing cable 120, the preload degree of the stabilizing cable 120 can be adjusted by the preload nut 1200, and the preload spring 1300 has a certain elastic force to offset the external force generated by the shaking of the stabilizing cable 120.

As shown in fig. 1 to fig. 3, in order to improve the stability of the supporting mechanism for supporting the suspension cable unit 100, the supporting column 500 in this embodiment includes a vertical column 510 and a diagonal column 520, the lower end of the supporting column 500 is further provided with an embedded base 1400, and two ends of the vertical column 510 and the diagonal column 520 are respectively fixedly connected to the supporting plate 300 and the embedded base 1400. The suspension cable unit 100 is vertically supported by the vertical upright column 510 and the inclined pull column 520, in practical application, the included angle between the vertical upright column 510 and the inclined pull column 52012 is 30-60 degrees, and the material is in a profile steel structure. The embedded base 1400 below the supporting plate 300 is mostly made of concrete, and the lower ends of the vertical columns 510 and the diagonal tension columns 520 are anchored on the base. In addition, the present embodiment is further provided with a cross reinforcing bar 1500 below the supporting plate 300 and between two adjacent vertical pillars 510, and the end of the reinforcing bar 1500 is connected to the outer sides of the vertical pillars 510. The reinforcing bar 1500 can further improve structural strength, and the reinforcing bar 1500 preferably has a profile steel structure.

As shown in fig. 1 to 3, in this embodiment, the ends of the bearing rope 110 and the sling 400 need to be fixed in a diagonal manner, in order to fix the diagonal portions 111 of the ends of the bearing rope 110 and the sling 400, in this embodiment, a plurality of fixing rings 1600 are disposed on one longitudinal side of the embedded base 1400 at intervals for connecting the sling 400 and the ends of the bearing rope 110, and the fixing rings 1600 are disposed in an inverted U shape. Thus, the ends of the stay wire 111 at the ends of the load bearing cable 110 and the sling 400 can be connected to the fixing ring 1600.

As shown in fig. 1 to 3, since the sling 400 is connected with the end of the bearing block 130 through the vibration reduction hanger rod 600, the sling 400 is used for forming a cable arch system, so that the shaking of the whole support under the action of wind power is reduced, and the wind resistance of the whole photovoltaic support is improved; the damping suspension rod 600 in this embodiment includes a telescopic damping rod, and damping connection portions capable of being fixedly connected to the suspension cable 400 and the bearing block 130 are disposed at two ends of the damping rod. The damper rod can absorb a certain external force applied to the suspension cable unit 100, thereby improving stability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A large-span suspension cable flexible support is characterized by comprising a suspension cable mechanism and support mechanisms positioned at two ends of the suspension cable mechanism;

the suspension cable mechanism comprises a plurality of suspension cable units (100) which are arranged in parallel, each suspension cable unit (100) comprises a pair of bearing cables (110), stabilizing cables (120) positioned between the bearing cables (110), and a plurality of bearing blocks (130) which are arranged along the length direction of each stabilizing cable (120), each bearing block (130) penetrates through each bearing cable (110) and each stabilizing cable (120), and each bearing block (130) is used for fixing a photovoltaic panel; the adjacent bearing blocks (130) on each suspension cable unit (100) are connected through a connecting rod (200);

the supporting mechanism comprises a supporting plate (300), a sling (400) and a plurality of supporting columns (500) fixed at the lower end of the supporting plate (300), the end part of the bearing cable (110) penetrates through the supporting plate (300) and inclines downwards to be fixed on the ground to form a diagonal pulling part (111), and the stabilizing cable (120) penetrates through the supporting plate (300) and is fixed through a pre-tightening mechanism;

the suspension cable (400) is positioned above two ends of the supporting plate (300) and arranged along the extension direction of the suspension cable unit (100), the end part of the suspension cable (400) is connected with a fixing frame arranged at the upper end of the supporting plate (300), a plurality of damping suspension rods (600) are arranged on the suspension cable (400), and each bearing block (130) positioned on the suspension cable unit (100) at two ends of the supporting plate (300) is connected with the lower end of one corresponding damping suspension rod (600).

2. The large-span suspended cable flexible support of claim 1, wherein a ball socket (700) for mounting a photovoltaic panel is arranged at the upper end of the bearing block (130).

3. The large-span suspension cable flexible support according to claim 1, wherein the bearing block (130) is provided with a mounting hole for the bearing cable (110) and the stabilizing cable (120) to pass through, and the opening of the mounting hole is provided with a fixing nut (800) for fixing the stabilizing cable (120) and the bearing cable (110).

4. The large-span suspension cable flexible support according to claim 1, wherein the suspension cable (400) is provided with inclined pulling fixing sections (410) at two ends thereof and arranged in a downward inclination.

5. The large-span suspension cable flexible support according to claim 1, wherein the lower end of each bearing block (130) on the suspension cable unit (100) is connected with a stabilizing frame (900) arranged in an inverted triangle, a horizontal connecting cable (1000) arranged along the suspension cable unit (100) is arranged below the stabilizing frame (900), and two ends of the horizontal connecting cable (1000) are inclined upwards and fixedly connected with the support plate (300).

6. The large-span suspension cable flexible support according to claim 1, wherein the pre-tightening mechanism comprises a fixing column (1100) in threaded connection with the end of the stabilizing cable (120), the fixing column (1100) horizontally penetrates through the support plate (300), a pre-tightening part is arranged at one end, penetrating through the support plate (300), of the fixing column (1100), a pre-tightening nut (1200) is arranged on the pre-tightening part, and a pre-tightening spring (1300) located between the outer side face of the support column (500) and the pre-tightening nut (1200) is sleeved on the pre-tightening part.

7. The large-span suspension cable flexible support of claim 1, wherein the support column (500) comprises a vertical column (510) and a diagonal column (520), the lower end of the support column (500) is further provided with an embedded base (1400), and two ends of the vertical column (510) and the diagonal column (520) are respectively fixedly connected with the support plate (300) and the embedded base (1400).

8. The large-span suspension cable flexible support according to claim 7, wherein a cross reinforcing rod (1500) is arranged between two corresponding vertical columns (510) below the support plate (300), and the end of the reinforcing rod (1500) is connected with the outer sides of the vertical columns (510).

9. The large span wire rope flexible support of claim 7,

the long side of pre-buried base (1400) is equipped with a plurality of solid fixed rings (1600) that the interval arrangement is used for connecting hoist cable (400) and bearing cable (110) tip, gu fixed ring (1600) are the shape of falling U and arrange.

10. The large span wire rope flexible support of claim 1,

damping jib (600) including the damping pole that has the elasticity, the damping pole both ends be equipped with can with hoist cable (400) and bearing block (130) fixed connection's damping connecting portion.