Photovoltaic power generation pile foundation and photovoltaic power generation system

Abstract

The utility model belongs to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation pile foundation and a photovoltaic power generation system.The photovoltaic power generation pile foundation comprises a pile foundation body, the lower section of the pile foundation body is designed to be of a threaded conical rod structure, an installation plate is fixed to the pile foundation body, and a reinforcing supporting table arranged on the periphery of the pile foundation body in a sleeving mode is arranged on the installation plate; a reinforcing supporting structure is arranged on the reinforcing supporting table through a positioning cylinder in a supporting mode and comprises a reinforcing rib plate, adjustable supporting rods used for supporting the upper portion of the pile foundation are slidably connected to the portions, on the two sides of the pile foundation, of the reinforcing rib plate in a limiting mode, and supporting clamps clamped to the two sides of the upper portion of the pile foundation are connected to the upper ends of the adjustable supporting rods. The T-shaped limiting sliding block on the reinforcing rib plate slides on the guide sliding rod in a limiting mode to drive the adjustable supporting rod to move, so that the supporting clamp stably supports the upper portion of a pile foundation, the clamping effect is improved, and the overall stability is improved; and the hidden danger of loosening and collapsing caused by instability due to shaking of the pile foundation under the condition of strong wind is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic power generation, and specifically relates to a photovoltaic power generation pile foundation and a photovoltaic power generation system. Background Art

[0002] The solar photovoltaic power generation system is mainly composed of photovoltaic modules, DC combiner boxes, integrated inverters and incoming line switches. It converts solar energy into DC power through photovoltaic modules, connects to the integrated inverter after being combined through the combiner box, and then converts the DC power into a sinusoidal current with the same frequency and phase as the power grid through the integrated inverter, and then connects to the power grid after boosting.

[0003] Photovoltaic modules are the core part of solar photovoltaic power generation systems. In offshore photovoltaic projects, pile foundations are one of the infrastructures supporting photovoltaic modules. They are deeply embedded in the sandstone layer on the seabed to provide a stable and solid support for photovoltaic modules.

[0004] However, the existing photovoltaic power generation pile foundations are still not ideal and not stable enough when in use. They will shake in severe weather such as strong winds and sandstorms, which may cause safety hazards. Therefore, the safety of the pile foundation needs to be improved. Summary of the invention

[0005] In order to solve the problems raised in the above-mentioned background technology, the utility model provides a photovoltaic power generation pile foundation and a photovoltaic power generation system, which utilizes a T-shaped limit sliding block on a reinforcing rib plate to slide on the upper limit of a guide slide rod in a limit sliding groove to drive an adjustable support rod to move. After the adjustable support rod moves, a support clamp is used to provide a stable support for the upper part of the pile foundation, and a limit fixing ring on the upper part of the pile foundation is used to limit the clamping position of the support clamp, thereby increasing the clamping effect to improve the overall stability, prevent the upper part of the pile foundation from shaking, becoming unstable and loosening in strong winds, and thereby prevent possible hidden dangers of a loosened pile foundation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic power generation pile foundation, including a pile foundation, the lower section of the pile foundation adopts a threaded cone rod structure design, a mounting plate is fixed on the pile foundation, the mounting plate is provided with a reinforced support platform mounted on the four sides of the pile foundation, the reinforced support platform is supported by a positioning tube and a reinforced support structure is provided, the reinforced support structure includes a reinforcing rib plate, the reinforcing rib plate is connected to an adjustable support rod for supporting the upper part of the pile foundation in a limited sliding manner on both sides of the pile foundation, and the upper end of the adjustable support rod is connected to a support clamp clamped on both sides of the upper part of the pile foundation.

[0007] As a preferred solution, the reinforcing rib plate is provided with limiting slide grooves on both sides of the pile foundation, a guide slide rod is provided in the limiting slide groove, a T-shaped limiting slide block is slidably provided on the guide slide rod, and the bottom end of the adjustable support rod is installed on the T-shaped limiting slide block; limiting holes are provided on both sides of the limiting slide groove, and the T-shaped limiting slide block is provided with limiting screws connected to the limiting holes; counterweight blocks are provided at the bottom of both ends of the reinforcing rib plate.

[0008] As a preferred solution, a through hole is opened in the center of the reinforcing rib plate, and it is sleeved on the pile foundation through the through hole. A positioning rod is provided at the bottom of the reinforcing rib plate, and the reinforcing rib plate is positioned and inserted into the positioning tube through the positioning rod. The bottom end of the positioning rod is connected to the upper end of the tensioning spring in the positioning tube.

[0009] As a preferred solution, both ends of the reinforcing rib plate are provided with anti-pullout reinforcing ribs.

[0010] As a preferred solution, the bottom of the four corners of the mounting plate are provided with mounting nails, and the mounting plate is also provided with high-strength bolts for fastening.

[0011] As a preferred solution, a limiting fixing ring for limiting the clamping position of the supporting clamp is provided on the upper part of the pile foundation.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model uses a threaded cone rod to rotate and drill into the ground the lower section of the pile foundation, the installation plate is nailed into the soil layer by installing ground nails, and the high-strength bolts are screwed into the pre-buried concrete fastening layer to achieve preliminary fixation of the pile foundation; the installation plate is connected to the reinforced support structure by a reinforced support platform positioning support, and then multiple tensile reinforcement bars at both ends of the reinforcement are hammered into the soil layer, making it more difficult to pull out of the ground, thereby increasing the stability after embedment, and the lower section of the pile foundation is further fixed with the counterweight block;

[0014] The T-shaped limit sliding block on the reinforcing rib plate is used to slide the upper limit of the guide sliding rod in the limit sliding groove to drive the adjustable support rod to move. After the adjustable support rod moves, the upper part of the pile foundation is firmly supported by the support clamp, and the upper limit fixing ring of the pile foundation is used to limit the clamping position of the support clamp, thereby increasing the clamping effect to improve the overall stability and prevent the upper part of the pile foundation from shaking, becoming unstable and loosening in strong winds, thereby preventing possible hidden dangers of the loosened pile foundation, such as the photovoltaic system will lose its use value after the pile foundation collapses, thereby improving the safety of the pile foundation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a front view structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the isometric cross-sectional structure of the overall longitudinal section of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the reinforcement support structure on the upper part of the pile foundation in the utility model;

[0019] Figure 5 It is a front view structural schematic diagram of the reinforcement support structure on the upper part of the pile foundation in the utility model.

[0020] Description of Figure Numbers:

[0021] 1. Pile foundation; 11. Threaded cone rod; 12. Limit fixing ring;

[0022] 2. Install the plate; 21. Install the ground nails; 22. High-strength bolts;

[0023] 3. Reinforcement plate; 31. Limiting slide groove; 32. Guide slide bar; 33. T-shaped limiting slide block; 34. Counterweight block; 35. Positioning rod; 36. Limiting screw; 37. Limiting hole;

[0024] 4. Anti-pullout reinforcing rib rod; 5. Adjustable support rod; 6. Support clamp; 7. Strengthen support platform; 8. Positioning cylinder; 81. Tension spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] See also Figure 1-4The utility model provides the following technical solutions: a photovoltaic power generation pile foundation, including a pile foundation 1, the lower section of the pile foundation 1 adopts a threaded cone rod 11 structural design, the shape characteristics of the threaded cone rod 11 make it easier to drill through the soil layer, thereby saving effort and efficiency, saving time, and helping to speed up the construction period. A mounting plate 2 is fixed on the pile foundation 1, and the mounting plate 2 is provided with a reinforcing support platform 7 sleeved on the four sides of the pile foundation 1, and the reinforcing support platform 7 is supported by a positioning tube 8 and provided with a reinforcing support structure. The reinforcing support structure includes a reinforcing rib plate 3, and the reinforcing rib plate 3 is slidingly connected with adjustable support rods 5 for supporting the upper part of the pile foundation 1 on both sides of the pile foundation 1, and the upper end of the adjustable support rod 5 is connected with a supporting clamp 6 clamped on both sides of the upper part of the pile foundation 1; the reinforcing rib plate 3 is provided with a limited sliding groove 31 on both sides of the pile foundation 1, and a guide sliding rod 32 is provided in the limited sliding groove 31, and a T-shaped limited sliding groove is slidingly provided on the guide sliding rod 32 Block 33, the bottom end of the adjustable support rod 5 is installed on the T-shaped limit sliding block 33; limit holes 37 are provided on both sides of the limit sliding groove 31, and limit screws 36 are provided on the T-shaped limit sliding block 33 and are limit-connected to the limit holes 37; counterweight blocks 34 are provided at the bottom of both ends of the reinforcing rib plate 3; in the embodiment, the upper part of the pile foundation 1 shakes under strong wind conditions, and the T-shaped limit sliding block 33 on the reinforcing rib plate 3 is used to slide within the limit sliding groove 31 on the guide slide rod 32 to drive the adjustable support rod 5 to move. After the adjustable support rod 5 moves, the support clamp 6 is used to provide a stable support for the upper part of the pile foundation 1, and the limit fixing ring 12 on the upper part of the pile foundation 1 is used to limit the clamping position of the support clamp 6 to prevent the pile foundation 1 from shaking and becoming unstable and loose, thereby preventing the hidden dangers of the loosened pile foundation, such as the photovoltaic system will lose its use value after the pile foundation collapses, thereby improving the safety of the pile foundation.

[0028] In this embodiment, a through hole is opened in the center of the reinforcing rib plate 3, which is sleeved on the pile foundation 1 through the through hole. A positioning rod 35 is provided at the bottom of the reinforcing rib plate 3. The reinforcing rib plate 3 is positioned and inserted into the positioning tube 8 through the positioning rod 35. The bottom end of the positioning rod 35 is connected to the upper end of the tensioning spring 81 in the positioning tube 8. The two ends of the reinforcing rib plate 3 are provided with anti-pullout reinforcing rib rods 4. The bottom of the four corners of the mounting plate 2 are provided with installation nails 21, and the mounting plate 2 is also provided with high-strength bolts 22 for fastening; the lower section of the pile foundation 1 is rotated and drilled into the ground using a threaded cone rod 11, and then the mounting The ground nails 21 installed at the bottom of the plate 2 are tightly nailed into the soil layer, and then the high-strength bolts 22 are screwed into the threaded sleeves of the embedded concrete fastening layer to achieve preliminary fixation of the pile foundation 1; the installation plate 2 is connected to the reinforced support structure through the reinforced support platform 7 for positioning support, and the bottom of the reinforcing rib plate 3 of the reinforced support structure is inserted into the positioning tube 8 on the reinforced support platform 7 through the positioning rod 35, and is connected to the internal tensioning spring 81, and then the multiple anti-pullout reinforcing rib rods 4 on both ends of the reinforcing rib plate 3 are knocked into the soil layer in turn, and the counterweight block 34 is used to further fix the lower section of the pile foundation 1.

[0029] In this embodiment, a limiting fixing ring 12 for limiting the clamping position of the supporting clamp 6 is provided on the upper part of the pile foundation 1 .

[0030] Working principle and use process of the utility model: When the utility model is used, the staff rotates the lower section of the pile foundation 1 into the ground using the threaded cone rod 11, and then firmly nails the ground nails 21 installed at the bottom of the installation plate 2 into the soil layer, and then uses the high-strength bolts 22 to screw into the screw sleeves of the pre-embedded concrete fastening layer to achieve preliminary fixation of the pile foundation 1;

[0031] The mounting plate 2 is positioned and supported by the reinforcing support platform 7 to connect the reinforcing support structure. The bottom of the reinforcing rib plate 3 of the reinforcing support structure is inserted into the positioning tube 8 on the reinforcing support platform 7 through the positioning rod 35, and is connected to the tension spring 81 inside it. Then, the multiple anti-pulling reinforcing rib rods 4 on both ends of the reinforcing rib plate 3 are knocked into the soil layer in turn, and the lower section of the pile foundation 1 is further fixed with the counterweight block 34;

[0032] The upper part of the pile foundation 1 shakes in strong winds, and the T-shaped limit sliding block 33 on the reinforcing rib plate 3 slides within the limit sliding groove 31 on the guide sliding rod 32 to drive the adjustable support rod 5 to move. After the adjustable support rod 5 moves, the upper part of the pile foundation 1 is firmly supported by the support clamp 6, and the T-shaped limit sliding block 33 is fixed by the limit screw 36 and the limit hole 37, and the limit fixing ring 12 on the upper part of the pile foundation 1 is used to limit the clamping position of the support clamp 6 to prevent the upper part of the pile foundation 1 from shaking and becoming unstable and loose, thereby preventing possible hidden dangers of the loosened pile foundation, such as the photovoltaic system will lose its use value after the pile foundation collapses, thereby improving the safety of the pile foundation.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A photovoltaic power generation pile foundation, comprising a pile foundation (1), wherein the lower section of the pile foundation (1) is designed with a threaded cone rod (11), and a mounting plate (2) is fixed on the pile foundation (1), characterized in that: The mounting plate (2) is provided with a reinforcing support platform (7) sleeved on the four sides of the pile foundation (1); a reinforcing support structure is supported on the reinforcing support platform (7) via a positioning tube (8); the reinforcing support structure comprises a reinforcing rib plate (3); an adjustable support rod (5) for supporting the upper part of the pile foundation (1) is slidably connected to the reinforcing rib plate (3) on both sides of the pile foundation (1); and a support clamp (6) clamped on both sides of the upper part of the pile foundation (1) is connected to the upper end of the adjustable support rod (5).

2. The photovoltaic power generation pile foundation according to claim 1, characterized in that: The reinforcing rib plate (3) is provided with a limit slide groove (31) on both sides of the pile foundation (1), a guide slide rod (32) is provided in the limit slide groove (31), a T-shaped limit slide block (33) is slidably provided on the guide slide rod (32), and the bottom end of the adjustable support rod (5) is installed on the T-shaped limit slide block (33); limit holes (37) are provided on both sides of the limit slide groove (31), and the T-shaped limit slide block (33) is provided with a limit screw (36) connected to the limit hole (37); counterweight blocks (34) are provided at the bottom of both ends of the reinforcing rib plate (3).

3. The photovoltaic power generation pile foundation according to claim 2, characterized in that: The reinforcing rib plate (3) has a through hole at its center and is sleeved on the pile foundation (1) through the through hole. A positioning rod (35) is provided at the bottom of the reinforcing rib plate (3). The reinforcing rib plate (3) is positioned and inserted into the positioning tube (8) through the positioning rod (35). The bottom end of the positioning rod (35) is connected to the upper end of a tension spring (81) in the positioning tube (8).

4. The photovoltaic power generation pile foundation according to claim 2, characterized in that: Anti-pullout reinforcing rib rods (4) are provided at both ends of the reinforcing rib plate (3).

5. The photovoltaic power generation pile foundation according to claim 1, characterized in that: The bottom of the four corners of the mounting plate (2) are provided with mounting nails (21), and the mounting plate (2) is also provided with high-strength bolts (22) for fastening.

6. The photovoltaic power generation pile foundation according to claim 1, characterized in that: The upper part of the pile foundation (1) is provided with a limiting fixing ring (12) for limiting the clamping position of the supporting clamp (6).

7. A photovoltaic power generation system, characterized in that: It comprises the photovoltaic power generation pile foundation as described in any one of claims 1 to 6.

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