A prestressed self-adapting flexible cable photovoltaic support system

Abstract

The application discloses a prestressed self-adaptive flexible cable photovoltaic support system, which comprises herringbone-shaped support frames arranged at two ends, three supporting steel cables arranged between the two herringbone-shaped support frames, a stabilizing frame arranged between the three supporting steel cables, and photovoltaic panels installed between two supporting steel cables, wherein the herringbone-shaped support frame comprises two inclined pull rods, a positioning cross rod is arranged between the two inclined pull rods, a supporting rod is further arranged on one side of the two inclined pull rods, a fixing cross rod is arranged between the two supporting rods, and the supporting steel cables are fixed on the fixing cross rod through the positioning cross rod. The light-weight flexible cable support can provide certain prestress through tension equipment, has strong supporting performance, greatly reduces the transportation and installation cost, and is relatively efficient in the field tension process, so that the construction speed is improved.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic equipment technology, and in particular to a prestressed adaptive flexible cable photovoltaic support system. Background Technology

[0002] In existing photovoltaic power plants, the vast majority use rigid fixed supports. However, due to limitations in pile density, row spacing, and clearance, these supports can no longer fully meet various needs in certain scenarios, particularly in land reclamation and efficient utilization. Flexible photovoltaic supports are currently more widely accepted in the market and are more suitable for challenging operating environments such as ordinary mountains and barren slopes. In the future, they can be used to build photovoltaic systems in places like parking lots and farms with minimal changes to the original site.

[0003] During the construction of flexible cable-stayed photovoltaic (PV) systems, the supporting frame needs to withstand strong tensile forces, thus requiring the structural strength of the support to be guaranteed. At the same time, the steel cables at both ends also need sufficient prestress to ensure the normal installation of the photovoltaic panels. Therefore, the construction of the steel frame and the rapid installation of the steel cables determine the construction efficiency of the PV system. To address these issues, we propose a prestressed adaptive flexible cable-stayed PV system. Utility Model Content

[0004] This application provides a prestressed adaptive flexible cable photovoltaic support system, which solves the problems of lightweight design and quick installation and transportation of cable-stayed photovoltaic supports.

[0005] This application provides a prestressed adaptive flexible cable photovoltaic support system, including a herringbone support frame set at both ends, three support steel cables laid between the two herringbone support frames, a stabilizing frame set between the three support steel cables, and the three support steel cables fixed to the two herringbone support frames by a steel cable fixing device, wherein a photovoltaic panel is installed between two of the support steel cables. The herringbone support frame includes two diagonal braces, a positioning crossbar is installed between the two diagonal braces, a support rod is fixed to one side of the two diagonal braces, a fixing crossbar is installed between the two support rods, and the support steel cable passes through the positioning crossbar and is fixed to the fixing crossbar.

[0006] Preferably, the stabilizer includes fixing clamps respectively fixed to the three supporting steel cables, and a stabilizer rod is fixed between each two adjacent fixing clamps.

[0007] Preferably, the steel cable fixing device includes a support abutting against the fixed crossbar, the supporting steel cable passing through the support, and a clamp at one end of the supporting steel cable, with one end of the clamp located in a hole in the support.

[0008] Preferably, the photovoltaic panel fixing clamp includes a U-shaped frame fixed to the bottom of the photovoltaic panel, the U-shaped frame is clipped onto the supporting steel cable, and the U-shaped frame is also fitted with a buckle to fix the supporting steel cable onto the U-shaped frame.

[0009] Preferably, the herringbone support frame is made of H-beams.

[0010] Preferably, a cable support is provided at the position where the supporting steel cable contacts the herringbone support frame.

[0011] Preferably, the bottoms of the tie rod and the support rod are on the same plane.

[0012] Preferably, the herringbone support frame is galvanized.

[0013] As can be seen from the above technical solution, this application provides a prestressed adaptive flexible cable photovoltaic support system. During installation, a foundation for the A-frame support needs to be set on the ground, which can be done by pre-embedding concrete. Ground bolts are installed on the foundation to fix the A-frame support. The A-frame support is then assembled on-site or at a designated location and fixed to the foundation. After fixing the A-frame support, the wiring work begins. First, the two support cables for the photovoltaic panels are passed through the A-frame support at one end, and then one end of the support cables is fixed using a cable fixing device. The support steel cable is passed through the A-frame support frame at the other end, and then emerges from the lower fixed crossbar. The cable fixing device is then installed. The support steel cable can be pulled to the specified tension on the ground using a hydraulic tensioning machine, and then fixed by the cable fixing device. The support steel cable can maintain a certain structural strength under the set prestress, thereby ensuring the stability of the support. Then, another support steel cable is installed, and the stabilizing frame is installed on the three support steel cables. It is worth noting that the stabilizing frame can be installed first, with an appropriate tilt during installation. When the third support steel cable is tightened, the stabilizing frame can be corrected, and then the installation of the photovoltaic panels can begin.

[0014] Compared with the prior art, the beneficial effects of this utility model are: 1. By setting up the A-frame support, the proportion of irregular tubes in the columns of the flexible support can be reduced, realizing the fixing method of the flexible cable support, giving full play to the high tensile strength of the material. In addition, the angles between the parts of the A-frame support are complementary, which can make the material utilization rate close to 100%, reduce production costs. Furthermore, the A-frame support is easy to assemble and can be disassembled and transported separately, which improves the safety of transportation. 2. By setting up the A-frame support frame and supporting steel cables, the initial stiffness and stable shape are established through prestressing. Under the action of external loads, controllable deformation occurs, stress is redistributed, and stress concentration is avoided. The integrated suspension-tension-hanging-bracing structure can achieve multi-directional free erection and has the characteristics of strong environmental adaptability and excellent safety performance. 3. By setting up three supporting steel cables and a stabilizing frame, the stability of the photovoltaic panel support can be improved, its wind resistance can be enhanced, and the stability of the support can be guaranteed. 4. By setting up the steel cable fixing device, the support position of the supporting steel cable is lowered to a lower position, which facilitates the use of tension equipment, on-site installation and subsequent inspection.

[0015] In summary, this application utilizes a lightweight, flexible cable-stayed support system. During installation, a certain amount of prestress can be provided by tensioning equipment, giving it strong supporting performance. This significantly reduces transportation and installation costs, and the on-site tensioning process is relatively efficient, thus improving construction speed. Attached Figure Description

[0016] To more clearly illustrate the technical solution of this application, the accompanying drawings used in the implementation examples will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.

[0017] Figure 1 This is a schematic diagram of the installation structure of a prestressed adaptive flexible cable photovoltaic support system proposed in this utility model; Figure 2 This is a schematic diagram of the supporting steel cable erection structure of a prestressed adaptive flexible cable photovoltaic support system proposed in this utility model; Figure 3 This is a schematic diagram of the herringbone support frame structure of a prestressed adaptive flexible cable photovoltaic support system proposed in this utility model; Figure 4 This is a schematic diagram of the installation of the supporting steel cable for a prestressed adaptive flexible cable photovoltaic support system proposed in this utility model; Figure 5 This is a schematic diagram of the stabilizer structure of a prestressed adaptive flexible cable photovoltaic support system proposed in this utility model; Figure 6 This is a schematic diagram of the photovoltaic panel fixing clip structure of a prestressed adaptive flexible cable photovoltaic support system proposed in this utility model.

[0018] In the diagram: 1. A-frame support, 11. Diagonal brace, 12. Support rod, 13. Positioning crossbar, 14. Fixed crossbar, 15. Steel cable support, 2. Supporting steel cable, 3. Stabilizer, 31. Fixing clamp, 32. Stabilizer, 4. Steel cable fixing device, 41. Support, 42. Clip, 5. Photovoltaic panel, 6. Photovoltaic panel fixing clamp, 61. U-shaped frame, 62. Buckle. Detailed Implementation

[0019] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0020] See Figures 1-6 This application discloses a prestressed adaptive flexible cable-stayed photovoltaic support system. The system utilizes H-beams to construct the cable-stayed support structure and improves post-installation stability through prestressing. Specifically, it includes A-frame supports at both ends, galvanized to reduce corrosion and extend the service life of outdoor installations. Three support cables are laid between the two A-frame supports. Two cables are used to install the photovoltaic panels, and the third provides support. Applying prestress to these three cables during installation reduces the impact of strong winds on the photovoltaic panels, maintaining good stability even in strong winds. A stabilizing frame is installed between the three support cables, forming a relatively stable triangular structure. The three cables are fixed to the two A-frame supports using cable fixing devices, completing the flexible cable installation. A photovoltaic panel is installed between two of the support cables. During installation, the cable for the photovoltaic panel is installed first, straightened, and prestressed before the second cable is installed. The A-frame support includes two diagonal braces. During installation, the diagonal braces on the same side of the A-frame are tilted away from the other end, avoiding inefficient bending stress through stable tensioning. Furthermore, prestressing establishes initial stiffness and a stable form, allowing for controllable deformation under external loads and improving support stability. Specifically, a positioning crossbar is installed between the two diagonal braces at the top of the A-frame to position the support cable and elevate it. Support rods are also fixed to one side of each diagonal brace, providing more stable support. The diagonal braces and support rods form an "A" structure, ensuring support stability. A fixing crossbar is installed between the two support rods, with the bottoms of the diagonal braces and support rods on the same plane for easy installation. The support cable passes through the positioning crossbar and then... At the fixed crossbar, located at the bottom of the A-frame support, workers can easily operate from a position on the ground. Using existing hydraulic traction equipment, the support cable can be pulled along the fixed crossbar until its prestress reaches the set requirements. The support cable then passes through the positioning crossbar and is fixed to the fixed crossbar. A cable support is also provided at the contact point between the support cable and the A-frame support. This increases the strength of the holes on the fixed and positioning crossbars and reduces friction during pulling. Furthermore, once the support cable has a certain prestress, it can provide stable support without deformation. The A-frame support is made of H-beams, providing high support strength and stability. During the manufacturing process, the angles complement each other, allowing for full utilization of the H-beam raw materials.

[0021] In this utility model, the stabilizing frame includes fixing clamps that are respectively fixed on three supporting steel cables. The fixing clamps are detachably fixed on the supporting steel cables. When fixing, the two supporting steel cables for fixing the photovoltaic panels are fixed first, and then the stabilizing frame is installed. Specifically, the fixing clamps are installed on the corresponding supporting steel cables. A stabilizing rod is fixed between two adjacent fixing clamps to form a stabilizing frame. It is worth noting that the stabilizing frame can be tilted appropriately. When the third supporting steel cable is pulled to a certain tension, the stabilizing frame can be kept approximately perpendicular to the supporting steel cable.

[0022] In this utility model, the steel cable fixing device includes a support that abuts against a fixed crossbar. The support is used to increase the contact area with the fixed crossbar and has a harderness than the fixed crossbar. It is provided with a hole through which the supporting steel cable passes. One end of the supporting steel cable is provided with a clamp. The clamp is a conical clamp commonly used for fixing steel cables, consisting of a segment. The supporting steel cable is located inside the clamp, and one end of the clamp is located in the hole inside the support. Through the tension of the supporting steel cable, the clamp is tightly locked into the support, thereby supporting the supporting steel cable.

[0023] In this utility model, the photovoltaic panel fixing clip includes a U-shaped frame fixed to the bottom of the photovoltaic panel. The U-shaped frame is clipped onto the supporting steel cable. The bottom of the U-shaped frame is arc-shaped and matches the outer arc surface of the supporting steel cable. The U-shaped frame is also equipped with buckles to fix the supporting steel cable onto the U-shaped frame. During installation, the buckles are clipped onto the U-shaped frame to wrap the supporting steel cable, and then it is fixed by bolts. The installation is quick and efficient.

[0024] As can be seen from the above technical solution, during installation, a foundation for the A-frame support frame needs to be set up on the ground. This can be done by pre-embedding it in concrete. Ground bolts are installed on the foundation to secure the A-frame support frame. The A-frame support frame is then assembled on-site or at a designated location and fixed to the foundation. After fixing the A-frame support frame, the wiring work begins. First, the two support cables for the photovoltaic panels are passed through one end of the A-frame support frame, and one end of the support cables is fixed using a cable fixing device. Then, the support cables are passed through the other end of the A-frame support frame. The support frame is shaped like a "U". The support steel cable passes through the lower fixed crossbar and is then fixed by a cable fixing device. The support steel cable can be pulled to a specified tension on the ground by a hydraulic tensioning machine and then fixed by the cable fixing device. The support steel cable can maintain a certain structural strength under the set prestress, thereby ensuring the stability of the support. Then, another support steel cable is installed, and the stabilizing frame is installed on the three support steel cables. It is worth noting that the stabilizing frame can be installed first, with an appropriate tilt during installation. When the third support steel cable is tightened, the stabilizing frame can be corrected before the photovoltaic panel laying begins.

[0025] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope of this application is indicated by the claims.

[0026] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The embodiments of this application described above do not constitute a limitation on the scope of protection of this application.

Claims

1. A prestressed adaptive flexible cable-stayed photovoltaic support system, comprising a herringbone support frame (1) at both ends, characterized in that: Three supporting steel cables (2) are laid between the two A-frame support frames (1), and a stabilizing frame (3) is set between the three supporting steel cables (2). The three supporting steel cables (2) are fixed to the two A-frame support frames (1) by steel cable fixing device (4), and a photovoltaic panel (5) is installed between two of the supporting steel cables (2). The herringbone support frame (1) includes two diagonal braces (11), a positioning crossbar (13) is installed between the two diagonal braces (11), a support rod (12) is fixed on one side of the two diagonal braces (11), a fixing crossbar (14) is installed between the two support rods (12), and the support cable (2) passes through the positioning crossbar (13) and is fixed on the fixing crossbar (14).

2. The prestressed adaptive flexible cable photovoltaic support system according to claim 1, characterized in that, The stabilizer (3) includes fixing clamps (31) fixed to the three supporting steel cables (2) respectively, and a stabilizer rod (32) is fixed between each two adjacent fixing clamps (31).

3. The prestressed adaptive flexible cable-stayed photovoltaic support system according to claim 1, characterized in that, The steel cable fixing device (4) includes a support (41) abutting against the fixed crossbar (14), the supporting steel cable (2) passing through the support (41), and a clamp (42) provided at one end of the supporting steel cable (2), with one end of the clamp (42) located in a hole in the support (41).

4. The prestressed adaptive flexible cable-stayed photovoltaic support system according to claim 1, characterized in that, The photovoltaic panel fixing clip (6) includes a U-shaped frame (61) fixed to the bottom of the photovoltaic panel (5). The U-shaped frame (61) is clipped onto the supporting steel cable (2). The U-shaped frame (61) is also fitted with a buckle (62) to fix the supporting steel cable (2) onto the U-shaped frame (61).

5. A prestressed adaptive flexible cable-stayed photovoltaic support system according to claim 1, characterized in that, The herringbone support frame (1) is made of H-beams.

6. The prestressed adaptive flexible cable-stayed photovoltaic support system according to claim 1, characterized in that, A cable support (15) is also provided at the position where the supporting steel cable (2) contacts the herringbone support frame (1).

7. A prestressed adaptive flexible cable-stayed photovoltaic support system according to claim 1, characterized in that, The bottoms of the tie rod (11) and the support rod (12) are on the same plane.

8. A prestressed adaptive flexible cable-stayed photovoltaic support system according to claim 1, characterized in that, The herringbone support frame (1) is galvanized.

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