Buried photovoltaic pile foundation structure

By using a snap-fit ​​insertion rod and an inner spiral block connection method, along with cement filling, the problem of unstable connection of photovoltaic spiral piles under strong winds was solved, achieving high stability and pull-out resistance of the photovoltaic support rod, and ensuring the safe operation of the photovoltaic power station.

CN224031657UActive Publication Date: 2026-03-24湖北树源集团有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing photovoltaic spiral piles are prone to tipping over due to unstable connections between the photovoltaic support and the photovoltaic piles under strong wind conditions.

Method used

By adopting a connection method of inserting the rod and the inner rotating block, combined with cement filling the gaps, a stable integrated structure of the buried pile and photovoltaic support rod is formed, which enhances the pull-out resistance.

Benefits of technology

This improved the structural stability of the photovoltaic support pole, enhanced its resistance to strong winds, and ensured the safe operation of the photovoltaic power station.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224031657U_ABST
    Figure CN224031657U_ABST
Patent Text Reader

Abstract

The utility model discloses an underground photovoltaic pile foundation structure which comprises a first installation hoop and a clamping insertion rod, insertion notches are formed in the upper middle end of the interior of the first installation hoop and the middle of the first installation hoop, and the clamping insertion rod can be inserted into the insertion notches in a clamped mode. The photovoltaic supporting rod can be inserted into the buried pile, compared with a traditional photovoltaic supporting rod which is connected only through bolts on the surface, the photovoltaic supporting rod is higher in structural stability, on the premise that the photovoltaic supporting rod is fixed to the buried pile through the bolts, the photovoltaic supporting rod can be fixed to the buried pile through the bolts, and the photovoltaic supporting rod can be fixed to the buried pile through the bolts. Connection guarantee is provided for the second time, the strong wind resistance of the photovoltaic supporting rod is improved, the stability of a photovoltaic support structure is ensured, the operation safety of a photovoltaic power station is improved, the pulling resistance is higher, and the pulling force from structures such as a photovoltaic panel can be effectively resisted.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of buried photovoltaic pile, concretely to a buried photovoltaic pile foundation structure. BACKGROUND

[0002] One of the buried photovoltaic piles is a photovoltaic spiral pile, which is characterized by its load-bearing and stability. This type of pile needs to effectively support the weight of photovoltaic supports and components and ensure its stability and reliability. At the same time, it also needs to be closely combined with the soil to form a stable support system to resist the influence of natural forces such as wind, rain, and snow.

[0003] The current photovoltaic spiral pile has a spiral feature. Due to the structure of the spiral fins around its body, the structure in the soil is relatively stable. However, when the photovoltaic support is connected to it, the mounting hoop at both ends is fixed by bolts. The photovoltaic support is used all year round. Under strong wind convection weather, if the mounting hoop structure loosens, the photovoltaic support is not stable in connection with the photovoltaic pile, and the photovoltaic support is prone to falling. Therefore, we propose a buried photovoltaic pile foundation structure. SUMMARY

[0004] The utility model aims at providing a buried photovoltaic pile foundation structure to solve the problem of the current photovoltaic spiral pile having a spiral feature, which is stable in structure in the soil due to the structure of the spiral fins around its body. However, when the photovoltaic support is connected to it, the mounting hoop at both ends is fixed by bolts. The photovoltaic support is used all year round. Under strong wind convection weather, if the mounting hoop structure loosens, the photovoltaic support is not stable in connection with the photovoltaic pile, and the photovoltaic support is prone to falling.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a buried photovoltaic pile foundation structure, which comprises a first mounting hoop and a clamping insertion rod. An insertion slot is formed in the upper middle part of the first mounting hoop. The clamping insertion rod can be clamped and inserted into the insertion slot. The inner rotating blocks at both ends of the bottom of the clamping insertion rod can be clamped into the inner rotating slots formed in the buried pile when the clamping insertion rod rotates. A reserved inner cavity is longitudinally formed in the outer part of the clamping insertion rod. The reserved inner cavity is connected with the reserved guide slot.

[0006] In an embodiment, a first mounting hole is formed in the inner part of the first mounting hoop. The first mounting holes are evenly distributed in a ring shape around the outer circle of the first mounting hoop.

[0007] In an embodiment, a buried pile is welded and fixed to the lower end of the first mounting hoop. A second mounting hole is formed in the outer circle of the second mounting hoop corresponding to the position of the first mounting hoop at the upper end of the first mounting hoop.

[0008] In an embodiment, the inner rotating groove in the pile is arranged at the bottom of the insertion slot, and the outer shape of the inner rotating block is consistent with the size of the inner rotating groove.

[0009] In an embodiment, a conical head is welded at the lower end of the pile.

[0010] In an embodiment, the outer spiral pieces are welded and fixed on the periphery of the pile, and three outer spiral pieces are arranged at equal distances in the longitudinal direction of the periphery of the pile.

[0011] In an embodiment, a clamping insertion rod is arranged at the center of the second mounting hoop, and a photovoltaic support rod is welded at the top end of the clamping insertion rod.

[0012] In an embodiment, a reserved guide groove is arranged in the outer ring of the connection between the clamping insertion rod and the photovoltaic support rod.

[0013] In an embodiment, when the clamping insertion rod is clamped and inserted into the pile, the outer walls on both sides of the clamping insertion rod are attached to the inner wall of the pile.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] The photovoltaic support rod can be inserted into the pile, and the structure is more stable than the traditional bolt connection on the surface. A cavity is arranged between the photovoltaic support rod and the inserted pile, cement is injected into the reserved cavity through the reserved guide groove, the gap between the clamping insertion rod and the pile is filled, the clamping insertion rod and the pile are integrated through the cement after the cement hardens, the structure is stable, the connection is guaranteed again under the premise of the bolt fixation of the photovoltaic support rod and the pile, the ability of the photovoltaic support rod to resist strong wind is improved, the stability of the photovoltaic support structure is ensured, the safety of the operation of the photovoltaic power station is improved, the pulling force is stronger, and the pulling force from the photovoltaic panel and other structures can be effectively resisted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic diagram of the photovoltaic rod inserted into the buried photovoltaic pile.

[0017] Figure 2 It is a structure schematic diagram of the photovoltaic rod separated from the buried photovoltaic pile.

[0018] Figure 3 It is a side view structure schematic diagram of the photovoltaic rod and the buried photovoltaic pile.

[0019] Figure 4 It is a sectional structure schematic diagram of the buried photovoltaic pile.

[0020] Figure 5 It is a sectional structure schematic diagram of the photovoltaic rod.

[0021] In the figure: 1, the first installation hoop; 2, the first installation hole; 3, the insertion slot; 4, the embedded pile; 5, the outer spiral piece; 6, the conical head; 7, the inner rotation slot; 8, the second installation hoop; 9, the second installation hole; 10, the clamping insertion rod; 11, the inner rotation block; 12, the reserved guide slot; 13, the reserved inner cavity; 14, the photovoltaic support rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of embedded photovoltaic pile foundation structure, including first installation hoop 1 and clamping insertion rod 10, it is characterized by: first installation hoop 1 inside upper end and first installation hoop 1 middle part are provided with insertion slot 3, clamping insertion rod 10 can be inserted into insertion slot 3, and the inner rotation block 11 of clamping insertion rod 10 bottom two ends can be inserted into the inner rotation slot 7 that is arranged in embedded pile 4 with the rotation of clamping insertion rod 10.

[0024] When installing photovoltaic support rod 14, clamping insertion rod 10 is inserted into the insertion slot 3 in embedded pile 4, and then rotates clamping insertion rod 10, and the inner rotation block 11 at the bottom is inserted into the inner rotation slot 7, so that photovoltaic support rod 14 and embedded pile 4 are not only connected by bolts, but also connected by the insertion and clamping of clamping insertion rod 10 and inner rotation block 11, which has stronger anti-pulling force and can effectively resist the pulling force from photovoltaic panel and other structures.

[0025] As shown in Figure 2 and Figure 5 , the reserved inner cavity 13 is longitudinally provided through the outside of clamping insertion rod 10, and the reserved inner cavity 13 is communicated with the reserved guide slot 12.

[0026] By injecting cement into the reserved inner cavity 13 through the reserved guide slot 12, the gap between clamping insertion rod 10 and embedded pile 4 can be filled, and after the cement hardens, clamping insertion rod 10 and embedded pile 4 are integrated by the cement, which has stable structure, improves the wind resistance of photovoltaic support rod 14, ensures the stability of photovoltaic support structure, and improves the safety of photovoltaic power station operation.

[0027] As shown in Figure 2 , the first installation hole 2 is provided through the inside of the first installation hoop 1, and the first installation hole 2 is evenly distributed in the form of a ring on the outer circle of the first installation hoop 1.

[0028] As Figure 3 shown, the first mounting hoop 1 is welded and fixed at the lower end of the pile 4, and the second mounting hoop 8 is provided with a second mounting hole 9 at the position corresponding to the first mounting hoop 1 at the upper end of the first mounting hoop 1.

[0029] By passing the bolt through the first mounting hole 2 and the second mounting hole 9 in the first mounting hoop 1 and the second mounting hoop 8 and locking the bolt, the first mounting hoop 1 and the second mounting hoop 8 can be fixed, and the preliminary installation of the photovoltaic support rod 4 can be realized.

[0030] As Figure 4 and Figure 5 shown, the inner rotating groove 7 in the pile 4 is provided at the bottom of the insertion slot 3, and the outer shape of the inner rotating block 11 is consistent with the size of the slot of the inner rotating groove 7.

[0031] The inner rotating block 11 can be inserted into the inner rotating groove 7 by clamping and inserting the rotating rod 10, and the position of the clamping and inserting rod 10 in the pile 4 is preliminarily fixed, and the clamping and inserting rod 10 is not easy to be pulled out linearly from the pile 4.

[0032] As Figure 1 shown, the conical head 6 is welded at the lower end of the pile 4.

[0033] The conical head 6 is vertically downward aligned with the ground, which facilitates the downward force of the pile 4 to be fixed on the ground, and cooperates with the use of installation equipment to insert the pile 4 into the ground where the photovoltaic support rod 14 needs to be installed.

[0034] As Figure 2 shown, the outer spiral piece 5 is welded and fixed on the periphery of the pile 4, and the outer spiral piece 5 is provided with three, which are longitudinally and equidistantly distributed on the periphery of the pile 4.

[0035] Cooperating with the use of installation equipment, the pile 4 is rotated, and the outer spiral piece 5 is rotated into the ground.

[0036] As Figure 2 shown, the second mounting hoop 8 is provided with the clamping and inserting rod 10 passing through the center, and the clamping and inserting rod 10 is welded at the top end of the photovoltaic support rod 14.

[0037] As Figure 2 shown, the outer circle of the connection between the clamping and inserting rod 10 and the photovoltaic support rod 14 is annularly provided with a reserved guide groove 12.

[0038] As Figure 1 and Figure 2 shown, when the clamping and inserting rod 10 is clamped and inserted into the pile 4, the outer walls on both sides of the clamping and inserting rod 10 are attached to the inner wall of the pile 4.

[0039] The reserved inner cavity 13 between the clamping and inserting rod and the pile 4 can be injected with cement to improve the structural stability.

[0040] Working Principle: In this utility model, the conical head 6 of the buried photovoltaic pile is vertically downward aligned with the ground, facilitating the downward force to fix the buried pile 4 to the ground. With the help of the installation equipment, the buried pile 4 is inserted into the ground where the photovoltaic support rod 14 needs to be installed. The first mounting clamp 1 and the second mounting clamp 8 are fixed by passing the bolt through the first mounting hole 2 and the second mounting hole 9 in the first mounting clamp 1 and the second mounting clamp 8 and locking the bolt, thus achieving the initial installation of the photovoltaic support rod 4. The inner rotating block 11 can be inserted into the inner rotating groove 7 by the rotation of the locking insertion rod 10, initially fixing the position of the locking insertion rod 10 in the buried pile 4. The locking insertion rod 10 is not easy to pull out of the buried pile 4 in a straight line. Cement is injected into the reserved inner cavity 13 through the reserved guide groove 12, which can fill the gap between the locking insertion rod 10 and the buried pile 4. After the cement hardens, the locking insertion rod 10 and the buried pile 4 are connected as one unit by cement, resulting in a stable structure and improving the photovoltaic support rod 14's ability to resist strong winds.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A foundation structure for an underground photovoltaic pile, comprising a first mounting clamp (1) and a locking insertion rod (10), characterized in that: An insertion slot (3) is provided at the upper and middle parts of the first mounting clamp (1). The locking insertion rod (10) can be locked into the insertion slot (3). The inner rotating blocks (11) at both ends of the bottom of the locking insertion rod (10) can be locked into the inner rotating groove (7) opened in the buried pile (4) as the locking insertion rod (10) rotates. A reserved inner cavity (13) is opened longitudinally through the outside of the locking insertion rod (10). The reserved inner cavity (13) is connected to the reserved guide groove (12).

2. The underground photovoltaic pile foundation structure according to claim 1, characterized in that: The first mounting clamp (1) has a first mounting hole (2) through it, and the first mounting hole (2) is evenly distributed in a ring on the outer ring of the first mounting clamp (1).

3. The underground photovoltaic pile foundation structure according to claim 1, characterized in that: The lower end of the first mounting clamp (1) is welded and fixed with a buried pile (4), and the outer ring of the second mounting clamp (8) at the upper end of the first mounting clamp (1) is provided with a second mounting hole (9) corresponding to the position of the first mounting clamp (1).

4. The underground photovoltaic pile foundation structure according to claim 1, characterized in that: The inner spiral groove (7) inside the buried pile (4) is opened at the bottom of the insertion slot (3), and the outer shape of the inner spiral block (11) matches the size of the inner spiral groove (7).

5. The underground photovoltaic pile foundation structure according to claim 1, characterized in that: The lower end of the buried pile (4) is welded with a conical head (6).

6. The underground photovoltaic pile foundation structure according to claim 1, characterized in that: The outer spiral blades (5) are welded and fixed to the periphery of the buried pile (4). There are three outer spiral blades (5), which are distributed longitudinally at equal distances around the periphery of the buried pile (4).

7. The underground photovoltaic pile foundation structure according to claim 1, characterized in that: The second mounting clamp (8) has a locking insertion rod (10) through its center, and a photovoltaic support rod (14) is welded to the top of the locking insertion rod (10).

8. The underground photovoltaic pile foundation structure according to claim 1, characterized in that: The outer ring of the connection between the locking insertion rod (10) and the photovoltaic support rod (14) is provided with a reserved guide groove (12) in an annular shape.

9. The underground photovoltaic pile foundation structure according to claim 1, characterized in that: When the locking insertion rod (10) is inserted into the buried pile (4), the outer walls on both sides of the locking insertion rod (10) are in contact with the inner wall of the buried pile (4).