Self-adapting three-dimensional wind-resistant device for complex mountain flexible support

Abstract

The application discloses a complex mountain flexible support adaptive three-dimensional wind-resistant device, and belongs to the field of flexible photovoltaic support.The device comprises a wind-resistant pile group and an assembly structure, the wind-resistant pile group comprises two concrete piles, and a lower wind-resistant cable and an upper wind-resistant cable are arranged between the two concrete piles;the upper ends of the two concrete piles are each provided with a pre-buried connecting piece, the two ends of the lower wind-resistant cable are connected with first anti-abrasion connecting pieces on corresponding pre-buried connecting pieces through first fixed connecting members; and the two ends of the upper wind-resistant cable are connected with second anti-abrasion connecting pieces on corresponding pre-buried connecting pieces through second fixed connecting members.The three-dimensional truss device in the application significantly reduces stress concentration of key connecting points, avoids component deformation or damage caused by excessive local stress, and greatly improves the overall stability and safety of the entire photovoltaic array under extreme wind load.

Description

Technical Field

[0001] This application belongs to the field of flexible photovoltaic supports, and specifically relates to an adaptive three-dimensional wind-resistant device for flexible supports in complex mountainous areas. Background Technology

[0002] In photovoltaic (PV) power generation systems, flexible support structures are widely used in complex terrains due to their high span and high clearance. However, traditional wind-resistant systems used with flexible support structures are prone to excessive deformation under extreme wind loads, leading to damage to PV modules. This is especially true in complex mountainous terrains such as Yunnan, where the terrain is undulating and wind loads are complex, making it difficult for traditional wind-resistant systems to cope effectively. Existing wind-resistant systems are mostly rigid structures, unable to adapt to changes in terrain, and prone to stress concentration under strong winds, leading to structural deformation or even failure.

[0003] Traditional wind-resistant systems consist of a continuous front-to-back arrangement, with both ends secured to external wind-resistant piles via wind-resistant cables. The technical approach of wind-resistant systems involves structural reinforcement measures to ensure the structure's wind resistance, resisting wind-induced vibrations caused by wind loads; these are non-primary load-bearing components. Wind-resistant systems include: portal steel frames, wind-resistant cables, windproof connectors, and other wind-resistant structural components.

[0004] Existing technical issues: The wind-resistant cable cannot be tensioned; forcibly tightening it will cause the cable to deform. When the terrain is undulating, there is an angle between the wind-resistant cable and the portal steel frame. If the angle is too large, it will cause stress concentration in the wind-resistant cable portal steel frame. When the force is too large, it will cause the wind-resistant cable portal steel frame to deform.

[0005] To address the aforementioned technical issues, this application provides an adaptive three-dimensional wind-resistant device for flexible supports in complex mountainous terrain. Summary of the Invention

[0006] To address the aforementioned problems, this application provides an adaptive three-dimensional wind-resistant device for flexible supports in complex mountainous terrain. The device includes wind-resistant pile groups and component structures. The wind-resistant pile group includes two concrete piles, and a lower wind-resistant cable and an upper wind-resistant cable are provided between the two concrete piles; Both of the concrete piles are provided with embedded connectors at their upper ends, and the two ends of the lower wind-resistant cable are connected to the first wear-resistant connectors on the corresponding embedded connectors through the first fixed connecting members. The two ends of the upper wind-resistant cable are connected to the second wear-resistant connecting components on the corresponding pre-embedded connecting parts through the second fixed connecting components; The lower wind-resistant cable is provided with an intermediate connecting member, and the upper wind-resistant cable is connected to the lower wind-resistant cable through the intermediate connecting member; The component structure includes a component and a component cable located at its lower end, and the upper wind-resistant cable is connected to the component cable through an inter-cable connecting member.

[0007] According to some embodiments of this disclosure, the upper wind-resistant cable and the lower wind-resistant cable are connected by the intermediate connecting member to form a triangular cable truss structure.

[0008] According to some embodiments of this disclosure, the first wear-resistant connecting member includes a first core ring, and the second wear-resistant connecting member includes a second core ring; The embedded connector includes an embedded steel component, and the first and second heart-shaped rings are disposed on the embedded steel component.

[0009] According to some embodiments of this disclosure, the first fixed connection member includes a plurality of fourth clamps, which are used to fix the end of the lower wind-resistant cable to the second heart-shaped ring.

[0010] According to some embodiments of this disclosure, the second fixed connection member includes a plurality of second clamps, which are used to fix the end of the upper wind-resistant cable to the first heart-shaped ring.

[0011] According to some embodiments of this disclosure, the cable-connecting member includes a first clamp for fixing the upper wind-resistant cable to the component cable.

[0012] According to some embodiments of this disclosure, the intermediate connecting member includes a third wire clamp; The upper wind-resistant cable is connected to the lower wind-resistant cable via a third clamp.

[0013] According to some embodiments of this disclosure, the upper wind-resistant cable is arranged in an inverted triangle manner between the component and the lower wind-resistant cable.

[0014] According to some embodiments of this disclosure, both the upper wind-resistant cable and the lower wind-resistant cable are in a tensioned state.

[0015] According to some embodiments of this disclosure, the concrete pile is provided with reinforcing bars; The embedded steel component (401) is U-shaped.

[0016] Compared with the prior art, this application has the following advantages: (1) This application forms a triangular cable truss structure by connecting the upper and lower wind-resistant cables. This spatial triangular stable structure can effectively decompose and transfer the complex wind loads acting on the components and flexible supports to the upper wind-resistant cables, the lower wind-resistant cables, and the component cables, which are ultimately borne by the wind-resistant piles on both sides. Compared with traditional single-plane wind-resistant cables or rigid connections, the three-dimensional truss device in this application significantly reduces stress concentration at key connection points and avoids component deformation or damage caused by excessive local stress, thereby greatly improving the overall structural stability and safety of the entire photovoltaic array under extreme wind loads.

[0017] (2) This application adopts a fully flexible cable structure design. The upper wind-resistant cable, the lower wind-resistant cable and the component cables themselves and the connections between them are all flexible connections. This design enables the device to adapt to the terrain changes by adjusting its own small deformation and angle when facing complex mountain terrain undulations. This avoids the installation difficulties and additional stress caused by the need for customized components or forced cable pulling due to uneven terrain in traditional rigid wind-resistant systems.

[0018] (3) This application sets a heart-shaped ring on the pre-embedded part of the wind-resistant pile as an anti-wear connecting component, and uses multiple clamps to fix it at both ends of the wind-resistant cable. This allows the device to effectively tension the upper and lower wind-resistant cables while avoiding premature wear or strength reduction of the rope at the anchor point due to direct bending and friction. This ensures that the wind-resistant cable maintains the designed tension state during long-term use and provides continuous and stable wind-resistant tension. This design fundamentally solves the technical problems in the background technology that "the wind-resistant cable tension cannot be tightened and forced tightening will cause the component cable to deform" and "excessive bending angle causes stress concentration". This ensures the durability and operational safety of the system in harsh environments such as long-term strong winds and vibrations.

[0019] Other features and advantages of this application will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the application. The objectives and other advantages of this application may be realized and obtained by means of the structures pointed out in the description, claims and drawings. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A diagram of a complex mountain flexible support adaptive three-dimensional wind-resistant device according to an embodiment of this application is shown; Figure 2 A partial enlarged view of point A in the diagram of the complex mountain flexible support adaptive three-dimensional wind-resistant device according to an embodiment of this application is shown; Figure 3 A partial enlarged view of point B in the diagram of the complex mountain flexible support adaptive three-dimensional wind-resistant device according to an embodiment of this application is shown; Figure 4 A partial enlarged view of point C in the diagram of the complex mountain flexible support adaptive three-dimensional wind-resistant device according to an embodiment of this application is shown; In the diagram: 1. Component structure; 101. Component cable; 102. Component cable; 2. Lower wind-resistant cable; 3. Upper wind-resistant cable; 301. First clamp; 302. Second clamp; 303. First ring; 304. Third clamp; 305. Fourth clamp; 306. Second ring; 4. Wind-resistant pile group; 401. Embedded steel parts; 402. Concrete pile; 403. Reinforcing steel. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0023] like Figure 1 As shown, this application provides an adaptive three-dimensional wind-resistant device for flexible supports in complex mountainous areas. The device includes a component structure 1, a lower wind-resistant cable 2, an upper wind-resistant cable 3, and a wind-resistant pile group 4. The upper wind-resistant cable 3 and the lower wind-resistant cable 2 are connected by the intermediate connecting member to form a triangular cable truss structure. Both the upper wind-resistant cable 3 and the lower wind-resistant cable 2 are in a tensioned state.

[0024] like Figure 2 As shown, the wind-resistant pile group 4 includes two concrete piles 402, and the concrete piles 402 are provided with steel bars 403. The lower wind-resistant cable 2 and the upper wind-resistant cable 3 are arranged between the two concrete piles 402. Both of the concrete piles 402 are provided with embedded connectors at their upper ends, and the two ends of the lower wind-resistant cable 2 are connected to the first wear-resistant connectors on the corresponding embedded connectors through the first fixed connecting members; The two ends of the upper wind-resistant cable 3 are connected to the second wear-resistant connecting components on the corresponding pre-embedded connecting parts through the second fixed connecting components; The lower wind-resistant cable 2 is provided with an intermediate connecting member, and the upper wind-resistant cable 3 is connected to the lower wind-resistant cable 2 through the intermediate connecting member; The first wear-resistant connecting component includes a first core ring 303, and the second wear-resistant connecting component includes a second core ring 306. The embedded connector includes an embedded steel part 401, which is U-shaped, and the first heart-shaped ring 303 and the second heart-shaped ring 306 are disposed on the embedded steel part 401. The first fixed connection component includes a plurality of fourth clamps 305, which are used to fix the end of the lower wind-resistant cable 2 to the second heart-shaped ring 306; The second fixed connection component includes a plurality of second clamps 302, which are used to fix the end of the upper wind-resistant cable 3 to the first heart-shaped ring 303; like Figure 4 As shown, the intermediate connecting member includes a third wire clamp 304; The upper wind-resistant cable 3 is connected to the lower wind-resistant cable 2 via a third clamp 304.

[0025] like Figure 3 As shown, the component structure 1 includes a component 101 and a component cable 102 located at its lower end, and the upper wind-resistant cable 3 is connected to the component cable 102 through a cable-to-cable connecting member; The cable-connecting component includes a first clamp 301, which is used to fix the upper wind-resistant cable 3 to the component cable 102. The upper wind-resistant cable 3 is arranged in an inverted triangle between the component 101 and the lower wind-resistant cable 2.

[0026] The detailed specifications of this device are as follows: Device components: Upper wind-resistant cable: using 6 19-8mm galvanized steel wire rope (or equivalent alternative), strength grade 1570MPa, arranged in an inverted triangle pattern.

[0027] Lower wind-resistant cable: using 1 8 steel strands are used as the lower wind-resistant cable.

[0028] Cable truss structure: The upper and lower wind-resistant cables are connected by steel wire rope slings to form a triangular cable truss structure. The triangular cable truss structure can effectively distribute wind loads, reduce stress concentration, and improve wind resistance performance.

[0029] Node fixing: The upper wind-resistant cable is fixed to the original component cable using a #15 steel wire rope clamp. On the 15.2 steel strand, the lower wind-resistant cable is fixed to the U-shaped embedded steel part by a steel wire rope sling.

[0030] Wind-resistant piles: The upper and lower wind-resistant cables are fixed to the wind-resistant pile embedded parts on both sides of the array by rope clamps.

[0031] Installation procedure for this device: Component cable installation: Install the 15.2 steel strands on the center column and end column according to the design requirements.

[0032] Installation of lower wind-resistant cable: 1 8 steel strands are used as the lower wind-resistant cable, with both ends fixed to the existing wind-resistant piles and locked with 10# rope clamps.

[0033] Installation of upper wind-resistant cable: Fix one end of the upper wind-resistant cable to the pre-embedded part of the wind-resistant pile and lock it with a No. 10 rope clamp.

[0034] Cable truss structure formation: The upper wind-resistant cables are connected to the component cables and the lower wind-resistant cables in a triangular truss manner to form a cable truss structure system.

[0035] Tensioning operation: Tension the upper and lower wind-resistant cables to ensure that the upper wind-resistant cable is always in a non-slack state. Secure it to the adjacent wind-resistant pile embedded parts with a No. 10 rope clamp. Through tensioning operation and anti-wear measures, ensure the safe operation of the system under strong wind and extreme weather conditions.

[0036] Node fixing: The connection node between the upper wind-resistant cable and the component cable is fixed to the original component cable with a No. 19 steel wire rope clamp.

[0037] Wear prevention measures: Steel wire rope slings (heart loops) are used between the upper and lower wind-resistant cables to prevent excessive bending and wear of the cables.

[0038] Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A flexible, adaptive three-dimensional wind-resistant device for complex mountain terrain, characterized in that, The device includes a wind-resistant pile group (4) and a component structure (1). The wind-resistant pile group (4) includes two concrete piles (402), and a lower wind-resistant cable (2) and an upper wind-resistant cable (3) are provided between the two concrete piles (402). Both of the concrete piles (402) are provided with embedded connectors at their upper ends, and the two ends of the lower wind-resistant cable (2) are connected to the first wear-resistant connectors on the corresponding embedded connectors through the first fixed connecting members; The two ends of the upper wind-resistant cable (3) are connected to the second wear-resistant connecting members on the corresponding pre-embedded connecting parts through the second fixed connecting members; The lower wind-resistant cable (2) is provided with an intermediate connecting member, and the upper wind-resistant cable (3) is connected to the lower wind-resistant cable (2) through the intermediate connecting member; The component structure (1) includes a component (101) and a component cable (102) located at its lower end. The upper wind-resistant cable (3) is connected to the component cable (102) through a cable-to-cable connection member.

2. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 1, characterized in that, The upper wind-resistant cable (3) and the lower wind-resistant cable (2) are connected by the intermediate connecting member to form a triangular cable truss structure.

3. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 1 or 2, characterized in that, The first wear-resistant connecting component includes a first core ring (303), and the second wear-resistant connecting component includes a second core ring (306). The pre-embedded connector includes a pre-embedded steel component (401), and the first heart-shaped ring (303) and the second heart-shaped ring (306) are disposed on the pre-embedded steel component (401).

4. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 3, characterized in that, The first fixed connection component includes a plurality of fourth clamps (305), which are used to fix the end of the lower wind-resistant cable (2) to the second heart-shaped ring (306).

5. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 3, characterized in that, The second fixed connection component includes a plurality of second clamps (302), which are used to fix the end of the upper windproof cable (3) to the first heart-shaped ring (303).

6. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 1, characterized in that, The cable-connecting component includes a first clamp (301) for fixing the upper wind-resistant cable (3) to the component cable (102).

7. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 1 or 2, characterized in that, The intermediate connecting component includes a third wire clamp (304). The upper wind-resistant cable (3) is connected to the lower wind-resistant cable (2) via a third clamp (304).

8. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 2, characterized in that, The upper wind-resistant cable (3) is arranged in an inverted triangle between the component (101) and the lower wind-resistant cable (2).

9. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 1, characterized in that, Both the upper wind-resistant cable (3) and the lower wind-resistant cable (2) are in a tensioned state.

10. The adaptive three-dimensional wind-resistant device for complex mountain flexible supports according to claim 9, characterized in that, The concrete pile (402) is provided with reinforcing bars (403); The embedded steel component (401) is U-shaped.

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