Pile, cable and anchor combined type photovoltaic support

Abstract

The utility model discloses a pile-cable-anchor combined photovoltaic support comprising a plurality of rows of supporting piles, the lower ends of the supporting piles are buried in a riverbed of a river channel, and the upper ends of the supporting piles extend to the upper part of a river surface; the lower ends of the multiple expanded-head anchor rods are anchored in river banks on the two opposite sides of the river channel, the upper ends of the expanded-head anchor rods are arranged obliquely upwards towards the river channel, and diagonal draw bars are connected between the upper ends of the expanded-head anchor rods and the upper ends of the supporting piles at the two ends of each row of supporting piles; the cable net structure comprises upper chord cables, lower chord cables and stabilizing cables, the upper ends of every two adjacent supporting piles in each row of supporting piles are connected with the two upper chord cables arranged side by side, the lower chord cables are arranged below the two upper chord cables and connected to the two adjacent supporting piles, and supporting pieces are connected between the lower chord cables and the upper chord cables. The stabilizing cables are connected to the upper chord cables on the multiple rows of supporting piles. The flexible photovoltaic support solves the problems that an existing flexible photovoltaic support is weak in wind resistance and components are prone to subfissure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, and specifically relates to a pile cable anchor combined photovoltaic support. BACKGROUND

[0002] Among numerous renewable energy sources, solar photovoltaic power generation has the advantages of being clean, safe, non-polluting, and renewable, and is considered one of the main directions for future energy development.

[0003] The fish-light complementary photovoltaic power generation project is a green energy project that combines fish farming and photovoltaic power generation. It generates electricity by installing photovoltaic panels on the water surface while not affecting the fish farming activities below, realizing the complementary mode of "power generation above and fish farming below".

[0004] As an important part of a photovoltaic power station, the photovoltaic support bears the power generation main body (solar panels) of the photovoltaic power station. The traditional rigid photovoltaic support has the problems of large amount of steel, low headroom, small span, and high cost; the traditional flexible support needs to set two rows of anchor piles, has high construction difficulty and cost, and has weak wind resistance, and the problems of component hidden cracks caused by deflection and vibration are serious.

[0005] The information disclosed in this BACKGROUND section is only intended to increase an understanding of the general background of the application, and should not be taken as an acknowledgement or any form of suggestion that this information forms prior art that is already known to those of ordinary skill in the art. SUMMARY

[0006] In order to overcome the defects of the prior art, the present application provides a pile cable anchor combined photovoltaic support to solve the problems of weak wind resistance and easy component hidden cracking of the existing flexible photovoltaic support.

[0007] In order to achieve the above-mentioned purpose, a pile cable anchor combined photovoltaic support is provided, which comprises:

[0008] A plurality of supporting piles, the lower ends of the supporting piles are embedded in the riverbed of the river, and the upper ends of the supporting piles extend above the river surface;

[0009] A plurality of expanded head anchor rods, the lower ends of the expanded head anchor rods are anchored in the riverbanks on opposite sides of the river, the upper ends of the expanded head anchor rods are arranged obliquely upward toward the river, and oblique pull rods are connected between the upper ends of the expanded head anchor rods and the upper ends of the supporting piles at both ends of each row of supporting piles;

[0010] The utility model provides a cable net structure for laying photovoltaic module, the cable net structure includes upper chord cable, lower chord cable and stabilizing cable, the upper end of every two adjacent supporting piles in each row of supporting piles is connected with two upper chord cables arranged side by side, the lower chord cable is arranged below the two upper chord cables, the lower chord cable is connected to the two adjacent supporting piles, the support is connected between the lower chord cable and the upper chord cable, and the stabilizing cable is connected to the upper chord cable on the supporting piles of multiple rows.

[0011] Further, the supporting piles of the multiple rows are connected with tie beams corresponding to the positions of the supporting piles, and the ends of the upper chord cables and the lower chord cables are connected to the tie beams.

[0012] Further, a plurality of stabilizing piles are arranged in the riverbed and arranged on opposite sides of the multiple rows of supporting piles, and the two ends of the stabilizing cable are connected to the stabilizing piles corresponding to the positions of the supporting piles on the opposite sides of the multiple rows of supporting piles.

[0013] Further, the enlarged head anchor rod is a variable-diameter enlarged head anchor rod

[0014] The pile-anchor combined photovoltaic support of the utility model has the advantages that two upper chord cables are arranged in parallel and form a fish belly type cable net structure with a lower chord cable and a support for installing photovoltaic modules. The lower chord cable provides resistance to vertical load, and the force borne by the lower chord cable is transmitted to a tie beam and then to a supporting pile through the tie beam. The pile-anchor combined photovoltaic support of the utility model adopts an enlarged head anchor rod, can flexibly change the force direction, and sets the inclination angle according to the direction of the threaded steel bar. Compared with a conventional fixed support, the pile-anchor combined photovoltaic support has a small wind vibration frequency, a large amplitude, and low acceleration, and effectively reduces hidden cracks. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other features, objects, and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, which is to be read in conjunction with the accompanying drawings:

[0016] Fig. 1 FIG. 1 is a structural schematic view of a pile-anchor combined photovoltaic support according to an embodiment of the utility model.

[0017] Fig. 2 FIG. 2 is a structural schematic view of one end of the pile-anchor combined photovoltaic support according to the embodiment of the utility model.

[0018] Fig. 3 FIG. 3 is a top view of one end of the pile-anchor combined photovoltaic support according to the embodiment of the utility model. DETAILED DESCRIPTION

[0019] The application will be described in further detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the application, and not to limit the application. In addition, it should be noted that only parts related to the application are shown in the drawings for ease of description.

[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and embodiments.

[0021] Referring to Figs. 1 to 3 As shown in the drawings, the utility model provides a pile cable anchor combined photovoltaic support, include: support pile 1, enlarged head anchor rod 2, cable net structure 3.

[0022] Support pile 1 is arranged in rows. The number of support piles is multiple rows. Each row of support piles includes multiple support piles 1. Among them, the lower end of the support pile 1 is embedded in the riverbed 41 of the river. The upper end of the support pile 1 extends above the river surface 42.

[0023] The number of enlarged head anchor rod 2 is multiple. The lower end of the enlarged head anchor rod 2 is anchored in the riverbank 43 on the opposite sides of the river. The upper end of the enlarged head anchor rod 2 is arranged obliquely upward towards the center of the river. The upper end of the enlarged head anchor rod 2 is connected with the upper end of the support pile 1 at both ends of each row of support piles 1.

[0024] As a preferred embodiment, the enlarged head anchor rod 2 is a variable straight diameter enlarged head anchor rod.

[0025] The cable net structure 3 includes upper chord cable 31, lower chord cable 32 and stabilizing cable 33. The cable net structure 3 is used to lay photovoltaic modules 5.

[0026] Specifically, the upper ends of the adjacent two support piles 1 in the row direction of the support piles are connected with two upper chord cables 31. The two upper chord cables 31 are arranged side by side. The lower chord cable 32 is arranged below the two upper chord cables 31. The lower chord cable 32 is connected to the adjacent two support piles 1. The support member 34 is connected between the lower chord cable 32 and the upper chord cable 31. The stabilizing cable 33 is connected to the upper chord cable 31 on the multiple rows of support piles 1.

[0027] In this embodiment, a plurality of stabilizing piles 35 are also provided in the riverbed 41. The plurality of stabilizing piles 35 are arranged on the opposite sides of the multiple rows of support piles 1. The two ends of the stabilizing cable 33 are respectively connected to the stabilizing piles 35 corresponding to the positions on the opposite sides of the multiple rows of support piles 1.

[0028] The support piles 1 corresponding to the positions of the multiple rows of support piles 1 are connected with the tie beams 11. The ends of the upper chord cable 31 and the lower chord cable 32 are connected to the tie beams 11.

[0029] The photovoltaic module mainly consists of the following components:

[0030] 1. Solar panel: The core part of a photovoltaic module, responsible for converting solar energy into electrical energy.

[0031] 2. Wire: Used to guide the electrical energy generated by the solar panel into the external circuit.

[0032] 3. Frame: Protects and fixes the solar panel, usually made of aluminum alloy or stainless steel.

[0033] 4. Backsheet: Protects the back of the solar panel from environmental factors such as moisture and ultraviolet rays.

[0034] 5. Junction box: Connects the solar panel and external circuit, protecting the wires and equipment.

[0035] 6. Insulating material: Used to protect the safety of the module, such as EVA, Tedlar, etc.

[0036] 7. Silicone: Used as a sealing material between the solar panel and the frame.

[0037] 8. Solar cell: The most core part of a photovoltaic module, responsible for converting light energy into electrical energy.

[0038] A photovoltaic module is a system that combines solar cells with other accessories to convert light energy into electrical energy.

[0039] The construction process of the pile-cable-anchor combined photovoltaic support of the utility model is as follows:

[0040] Support pile construction → variable diameter enlarged head anchor rod construction → installation of connecting beam (side beam, middle beam) → installation of inclined pull rod and connection with anchor rod → installation and tensioning of cable net structure → installation of photovoltaic module.

[0041] The construction points of the pile-cable-anchor combined photovoltaic support of the utility model are as follows:

[0042] The support pile adopts water piling technology, mainly including positioning, lifting, aligning and inserting the pile, piling, pile connection, continuing to sink the pile, hammering, and constructing the next pile. The key of this technology lies in the determination of the water pile position, the control of the verticality of the pile foundation during construction, the welding quality between the upper and lower piles, and the control of the hammering operation.

[0043] The inclined variable diameter reinforced cage enlarged head anchor rod construction has an enlarged anchor rod inclination angle of 45°, an enlarged section length of 3-4 m, a diameter of 650 mm, a non-enlarged section length of about 23-25 m, and a diameter of 200 mm. The variable diameter enlarged head anchor rod has better stress and more economical cost than the traditional pipe pile.

[0044] The construction process of the variable-diameter expanding anchor rod mainly comprises positioning, drilling, high-pressure rotary jet hole expanding, lowering a reinforcing cage and an anchor rod to a design position, opening the reinforcing cage, grouting and supplementing grouting, installing anchoring material and locking the anchor.

[0045] The pile-cable-anchor combined photovoltaic support of the utility model, through two upper chord cables parallel arrangement and in lower chord cable and support piece constitute fish belly type cable net structure for installing photovoltaic module. The lower chord cable provides resistance to vertical load, and the force borne by the lower chord cable is transmitted to the tie beam and then to the supporting pile.

[0046] The pile-cable-anchor combined photovoltaic support of the utility model adopts an expanded head anchor rod, which can flexibly change the stress direction and set the inclination angle according to the direction of the threaded steel bar.

[0047] Compared with the conventional fixed support, the pile-cable-anchor combined photovoltaic support has a small wind vibration frequency, a large amplitude and a low acceleration, effectively reducing the hidden cracks.

[0048] The pile-cable-anchor combined photovoltaic support has a reasonable space structure, uses less steel material, has a light self-weight and a high cost performance.

[0049] The pile-cable-anchor combined photovoltaic support has low site foundation requirements and occupies a small area.

[0050] The pile-cable-anchor combined photovoltaic support has high pre-assembly performance and can greatly shorten the overall construction period.

[0051] The above description is only the preferred embodiment of the application and the explanation of the applied technical principles. Those skilled in the art should understand that the utility model range involved in the application is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers other technical solutions formed by the arbitrary combination of the above technical features or equivalent features without departing from the utility model concept. For example, the above features are replaced with the technical features disclosed in the application (but not limited to) having similar functions to form the technical solutions.

Claims

1. A pile-cable-anchor hybrid photovoltaic racking, characterized by, The utility model relates to a riverbed supporting structure, comprising: a plurality of rows of supporting piles, the lower ends of which are embedded in the riverbed of a river, and the upper ends of which extend above the river surface; a plurality of expanded-head anchor rods, the lower ends of which are anchored in the riverbanks on opposite sides of the river, the upper ends of which are obliquely upwardly arranged toward the river, and the upper ends of which are connected with the upper ends of the supporting piles at both ends of each row of supporting piles by means of oblique pull rods; a cable net structure for laying photovoltaic modules, which comprises upper chord cables, lower chord cables and stabilizing cables, the upper ends of two adjacent supporting piles in each row of supporting piles are connected with two side-by-side arranged upper chord cables, the lower chord cables are arranged below the two upper chord cables, the lower chord cables are connected to the two adjacent supporting piles, and the lower chord cables are connected with the upper chord cables by means of supporting members, and the stabilizing cables are connected to the upper chord cables on the plurality of rows of supporting piles.

2. The pile-cable-anchor hybrid PV racking of claim 1, wherein, The supporting piles at positions corresponding to the plurality of rows of supporting piles are connected with tie beams, and the ends of the upper chord cables and the lower chord cables are connected to the tie beams.

3. The pile-cable-anchor hybrid PV racking of claim 1, wherein, A plurality of stabilizing piles are arranged in the riverbed on opposite sides of the plurality of rows of supporting piles, and the two ends of the stabilizing cables are respectively connected to the stabilizing piles at positions corresponding to the opposite sides of the plurality of rows of supporting piles.

4. The pile-cable-anchor hybrid PV racking of claim 1, wherein, The expanded-head anchor rods are variable-diameter expanded-head anchor rods.

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