Foundation pile and photovoltaic device

Abstract

The utility model relates to the technical field of photovoltaic systems, in particular to a foundation pile and a photovoltaic device. The fixing piece is arranged on the upper portion of the base; the multiple expansion pieces are distributed around the perpendicular bisector of the base in an annular array mode, each expansion piece comprises a supporting part and an extending part, one end of each supporting part is connected with the base, the other end of each supporting part is connected with the base, one end of each extending part is connected to the corresponding supporting part, and the other end of each extending part is connected to the corresponding supporting part. And the other end extends in the direction far away from the perpendicular bisector of the base. The construction difficulty of the foundation pile is reduced, the cost is saved, the stability of the foundation pile is improved, and the azimuth angle of the foundation pile is conveniently determined.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic system technology, specifically to a foundation pile and a photovoltaic device. Background Technology

[0002] Foundation piles are an important component of building facilities. Their main functions include transferring loads, enhancing foundation stability, resisting earthquakes and winds, reducing settlement, and improving the dynamic characteristics of the foundation. When installing these building facilities, foundation piles are first set in the foundation, and then the building facilities, such as support poles, utility poles, and photovoltaic device support structures, are installed on the foundation piles.

[0003] Existing foundation piles typically require the excavation of deep pits in the ground, the pre-determined installation locations of building facilities, and then the overall concrete pouring. This method of foundation pile construction is difficult and costly. Therefore, designing a foundation pile that is easier to construct and can control costs is an urgent problem to be solved. Summary of the Invention

[0004] The first objective of this invention is to provide a solution to the problems of high difficulty and cost in the construction of existing foundation piles. The second objective of this invention is to provide a photovoltaic device.

[0005] The present invention is achieved by the following technical solution:

[0006] As a first aspect of the present invention, a foundation pile includes:

[0007] Base;

[0008] A fastener is provided above the base;

[0009] There are at least three extension members, and a plurality of said extension members are arranged in a ring array around the vertical axis of the base. Each extension member includes a support portion and an extension portion.

[0010] One end of the support is connected to the base, and the other end is connected to the base.

[0011] One end of the extension is connected to the support, and the other end extends in a direction away from the vertical line of the base.

[0012] Optionally, the number of the extensions is six or eight.

[0013] Optionally, the extension includes a first extension and a second extension;

[0014] One end of the first extension is connected to the bottom end of the support, and the other end extends in a direction away from the vertical line of the base;

[0015] One end of the second extension is connected to the support, and the other end extends in a direction away from the vertical line of the base;

[0016] The extended end of the first extension is connected to the extended end of the second extension.

[0017] Optionally, the first extension is a square tube, a round tube, and / or an angle steel; the second extension is a square tube, a round tube, and / or an angle steel.

[0018] Optionally, the base is provided with a number of first through holes not less than the number of the extension members, and the fixing member is provided with a number of second through holes not less than the number of the extension members.

[0019] One end of the support is provided with a first connecting part, and the support is connected to the base through the cooperation of the first connecting part and the first through hole;

[0020] The other end of the support is provided with a second connecting part, and the support is connected to the fastener through the cooperation of the second connecting part and the second through hole.

[0021] Optionally, the support includes a main body, and a through hole is provided along the vertical line of the base, penetrating the main body;

[0022] It also includes a first screw, which passes through the through hole, wherein the portion of the first screw protruding from one end of the main body is the first connecting portion, and the portion protruding from the other end of the main body is the second connecting portion.

[0023] or,

[0024] The inner wall of the through hole is threaded, the first connecting part is a second screw threaded to one end of the main body, and the second connecting part is a third screw threaded to the other end of the main body.

[0025] Optionally, the support portion includes a first threaded segment, a support segment, and a second threaded segment connected in sequence, wherein the first threaded segment is the first connecting portion, the second threaded segment is the second connecting portion, and the cross-sectional area of ​​the support segment is greater than the cross-sectional areas of the first threaded segment and the second threaded segment.

[0026] Optionally, one end of the support portion is provided with a first threaded opening and the other end is provided with a second threaded opening. The first connecting portion is a fourth screw threaded to the first threaded opening, and the second connecting portion is a fifth screw threaded to the second threaded opening.

[0027] Optionally, the foundation pile further includes a first collar, which is disposed in the first through hole, protruding from the upper surface of the base, and the protruding first collar is inserted into the through hole;

[0028] And / or,

[0029] It also includes a second collar, which protrudes from the lower surface of the fastener and is inserted into the through hole.

[0030] Optionally, the portion of the first collar protruding from the upper surface of the base extends to the connection point between the first extension and the support portion.

[0031] And / or,

[0032] The portion of the second collar protruding from the lower surface of the fastener extends to the connection point between the second extension and the support.

[0033] Optionally, the extension further includes a first reinforcing rib, which is used to strengthen the connection between the first extension and the second extension in each set of the extensions.

[0034] Optionally, a second reinforcing rib is provided between adjacent extension members, and / or a reinforcing member is connected to the extension.

[0035] Optionally, the reinforcing member is a helical column and / or angle steel extending downward toward the base; and / or,

[0036] The reinforcing member is a support plate parallel to the base.

[0037] As a second aspect of the invention, a photovoltaic device includes a foundation pile as described above, and a support structure, wherein the foundation pile is embedded in the ground and the support structure is connected to the fixing member.

[0038] As a second aspect of the present invention, a photovoltaic device includes a foundation pile as described above, and a support structure, wherein the foundation pile is embedded in the foundation and the support structure is connected to the fixing member.

[0039] The advantages of this invention are: it reduces the difficulty of pile construction, saves costs, increases the stability of piles, and makes it easier to determine the orientation of piles.

[0040] First, when using the foundation pile proposed in this invention, it is only necessary to dig a hole at the foundation where the foundation pile is to be set, with the hole opening being adapted to the size of the base. The depth of the hole only needs to be adapted to the support part. According to the position of the extension part, a corresponding long trench is dug around the hole, and the foundation pile of this invention is placed in the area. Finally, the area is buried and fixed, without the need to open a relatively deep foundation pit. Therefore, the construction difficulty is reduced and the cost is saved.

[0041] Meanwhile, because multiple extension members in the foundation pile are arranged in a ring array around the vertical line of the base, and all extension members are buried in the foundation, the stability of the foundation pile is increased, preventing the external support structure from tilting when it is connected to the foundation pile.

[0042] Secondly, the foundation pile disclosed in this invention is composed of a base, a fixing member, and an extension member connected together. It has a simple structure and the base, fixing member, and extension member are detachably connected, which is easy to process and convenient to transport. In use, simply place the base and extension member in the installation position in sequence, then place the fixing member on the top of the extension member, and use bolts to fix the fixing member, extension member, and base in sequence through the second through hole of the fixing member, the through hole of the extension member, and the first through hole of the base. The installation process is simple and quick and easy to operate.

[0043] Meanwhile, the support is placed between the base and the fixing member. While ensuring that the fixing member is set on the ground surface or shallowly buried, the burial depth of the base can be set according to different ground conditions to ensure the stability of the pile. Therefore, the pile proposed in this invention reduces the construction difficulty during use and can adapt to different ground environments.

[0044] Third, since the other end of the extension extends away from the vertical line of the base, the level of the fixing member can be adjusted by adjusting the embedment depth of the extension member when installing the foundation pile, so as to ensure the verticality of the support structure installed on the fixing member. When the number of extension members is even, especially when the number of extension members is six, since the extension members are arranged in a ring array, the even number of extension members are located on the same straight line passing through the base in pairs. This makes it easy to confirm the orientation of the support structure connected to the fixing member by the embedment direction of the extension members. When the foundation pile proposed in this invention is used for photovoltaic devices, the azimuth angle of the photovoltaic device can be preset by the extension members. Attached Figure Description

[0045] The following accompanying drawings describe in detail the exemplary embodiments disclosed in this application. The same reference numerals denote similar structures in several views of the drawings. Those skilled in the art will understand that these embodiments are non-limiting and exemplary, and the drawings are for illustrative purposes only and are not intended to limit the scope of this application. Other embodiments may similarly fulfill the intent of this application. It should be understood that the drawings are not drawn to scale. Wherein:

[0046] Figure 1 This is a schematic diagram of the foundation piles in the embodiments of this application;

[0047] Figure 2 for Figure 1 A schematic diagram of the first embodiment of the extension component;

[0048] Figure 3 To adopt Figure 2 A frontal cross-section of the foundation pile of the extension component;

[0049] Figure 4 for Figure 1 A schematic diagram of the second embodiment of the extension component;

[0050] Figure 5 for Figure 1 A top view of the foundation pile.

[0051] The markings in the diagram are as follows:

[0052] 1. Base; 11. First through hole;

[0053] 2. Fastener; 21. Flange hole; 22. Second through hole;

[0054] 3. Extension component; 31. Support part; 311. Through hole; 312. First screw; 313. First threaded section; 314. Support section; 315. Second threaded section; 32. First extension; 33. Second extension; 34. First reinforcing rib;

[0055] 41. First set of rings; 42. Second set of rings;

[0056] 5. Support plate. Detailed implementation method:

[0057] To make the objectives, technical solutions, and advantages 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, not all, of the embodiments of this application. Based on the described 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. It is understood that, without conflict, some technical means of the various embodiments described herein can be substituted for or combined with each other.

[0058] In the description of this application, the terms "first," "second," etc., are used only to distinguish the described objects and have no sequential or technical meaning. Therefore, objects specified with "first," "second," etc., may explicitly or implicitly include one or more of those objects. Furthermore, the words "one" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one, while "multiple" indicates at least two.

[0059] In the description of this application, the terms "connection," "abutment," "installation," "fixation," "contact," "support," and "reception," etc., should be interpreted broadly. For example, "connection" can be a split connection or a one-piece connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a non-detachable connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can also refer to the internal communication of two components or the interaction between two components. As another example, "abutment" can be a direct abutment or an indirect abutment through an intermediate medium. Furthermore, "reception" does not necessarily mean complete containment of the entire component; this concept also includes the containment of a portion that protrudes externally. Those skilled in the art can understand the specific meaning of the aforementioned terms in this application according to the specific circumstances.

[0060] In the description of this application, if there are terms such as "A is connected to B in a rotatable manner", it means that A and B are directly or indirectly connected, and A is able to rotate relative to B.

[0061] In the description of this application, references to "one embodiment" or "some embodiments" mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized.

[0062] like Figures 1 to 4 As shown, the first aspect of this embodiment discloses a foundation pile, comprising:

[0063] Base 1;

[0064] Fixing member 2, which is located above the base 1;

[0065] There are at least three extension members 3, and the plurality of extension members 3 are arranged in a ring array around the vertical line of the base 1. Each extension member 3 includes a support portion 31 and an extension portion.

[0066] One end of the support part 31 is connected to the base 1, and the other end is connected to the fixing member 2.

[0067] One end of the extension is connected to the support 31, and the other end extends in a direction away from the vertical line of the base 1.

[0068] It should be noted that when using the foundation piles proposed in this embodiment, both the base 1 and the extension member 3 are buried in the foundation, thereby fixing and limiting the fixing member 2 connected to the extension member 3. While fulfilling the function of the base 1, the base 1 can be designed in various shapes. Conventionally, it can be designed as a circle, or it can be designed as a triangle or polygon, etc. Considering topographical features, for example, when the foundation piles proposed in this embodiment are set on a hillside, the base 1 can also be designed as a semi-circle or triangle, etc. The fixing member 2 is located above the base 1; that is, the fixing member 2 can be exposed on the ground surface or buried in the foundation like the base 1. The fixing member 2 is used to install the external support structure. To facilitate the installation of the external support structure, such as... Figure 1 and Figure 3 As shown, a flange hole 21 is provided on the fastener 2; the shape of the fastener 2 can be designed to be consistent with the shape of the base 1 or inconsistent with the shape of the base 1.

[0069] It should be noted that in this embodiment, by connecting the extension members 3 in a circular array with the vertical line of the base 1 as the axis between the fixing member 2 and the base 1, multi-directional support for the fixing member 2 is achieved, thereby ensuring the stability of the external support structure set on the fixing member 2. Furthermore, when using the foundation pile proposed in this embodiment, the levelness of the fixing member 2 can be adjusted by adjusting the embedment depth of different extension members 3. In this embodiment, the extension member 3 can be an integrally formed independent component, respectively provided with a support part 31 for connecting the base 1 and the fixing member 2 and an extension part extending from one side of the support part 31, or it can be composed of independent support parts 31 and extension parts connected and combined together.

[0070] It should also be noted that when installing the foundation piles in this embodiment, firstly, a hole of appropriate size to the base 1 is excavated in the foundation, and the depth of the hole only needs to be appropriate to the support part 31, without the need for deep excavation to ensure the stability of the support structure connected to the fixing member 2. At the same time, based on the terrain, a reasonable position for the extension member 3 is set, and a corresponding trench is excavated around the hole to install the extension member 3. After placing the foundation pile of the present invention in this area, the area is backfilled, and the base 1 and the extension member 3 are buried and fixed. Various burial and fixing methods can be used, and different methods can be selected according to the different volumes and weights of the external support structures connected to the foundation pile.

[0071] The first method of burying and fixing is to fill the area with soil.

[0072] The second method of burying and fixing involves first filling with gravel and then finally covering with soil.

[0073] The third method of burying and fixing involves appropriately reinforcing the base 1 and the extended ends of the first extension 32 and the second extension 33 with concrete, and finally filling the area with gravel or soil.

[0074] The fourth method of burying and fixing involves pouring concrete into the area.

[0075] It should be noted that in this embodiment, when the number of extension members 3 is even, especially as... Figure 1 , Figure 2 As shown, when there are six extension members 3, since the extension members 3 are arranged in a circular array, two of the extension members 3 can be located on the same straight line passing through the base 1. In this case, the orientation of the external support structure set on the foundation pile proposed in this embodiment can also be determined based on these two extension members 3. For example, when the foundation pile of this embodiment is applied to a photovoltaic device, since the support structure of the photovoltaic device has certain requirements for the azimuth angle of installation during the installation process in order to increase the efficiency of photovoltaic power generation, when setting the foundation pile, the extension members 3 can be used to preset the orientation of the photovoltaic device connected to the fixing member 2, and the number of extension members 3 can also be eight.

[0076] It should be noted that, in this embodiment, the extension can be either a one-piece molded columnar or sheet-like component, or it can be composed of multiple independent parts, such as... Figures 1 to 4 As shown, the extension includes a first extension 32 and a second extension 33. One end of the first extension 32 is connected to the bottom end of the support 31, and the other end extends in a direction away from the vertical line of the base 1. One end of the second extension 33 is connected to the support 31, and the other end extends in a direction away from the vertical line of the base 1. The extension end of the first extension 32 is connected to the extension end of the second extension 33.

[0077] Furthermore, in this embodiment, different materials can be used to make the extension part according to the processing requirements. The first extension part 32 is a square tube, round tube, angle steel or other materials that meet the requirements, and the second extension part 33 is a square tube, round tube, angle steel or other materials that meet the requirements.

[0078] It should be noted that, in this embodiment, if the stability of the foundation pile is to be increased, the connection between the base 1, the fixing member 2 and the extension member 3 in the foundation pile can be a fixed connection or a detachable connection; among them, when the two are fixedly connected, the connection strength between the base 1, the fixing member 2 and the extension member 3 is better and the connection is more reliable. For example, the bottom end of the support part 31 in the extension member 3 is welded to the base 1, and the top end of the support part 31 is welded to the fixing member 2.

[0079] It should be noted that when the base 1, the fixing member 2, and the extension member 3 are fixedly connected, and the extension is composed of multiple independent components, such as the extension including the first extension 32 and the second extension 33 as described above, one end of the first extension 32 can be connected to the bottom end of the support 31 or directly to the base 1; while one end of the second extension 33 can be connected to any position in the support 31 except the bottom end. Preferably, one end of the second extension 33 is connected to the top end of the support 31, or one end of the second extension 33 is connected to the support 31 through the fixing member 2, that is, one end of the second extension 33 is connected to the fixing member 2.

[0080] When the base 1, fixing member 2 and extension member 3 in the foundation pile are detachably connected, in order to facilitate the connection of the extension member 3, the base 1 is provided with a number of first through holes 11 not less than the number of the support part 31. The base 1 is connected to the support part 31 through the first through holes 11. The fixing member 2 is provided with a number of second through holes 22 not less than the number of the support part 31. The base 1 is connected to the support part 31 through the second through holes 22.

[0081] To facilitate the connection between the support part 31 and the base 1, one end of the support part 31 is provided with a first connecting part, and the support part 31 is connected to the base 1 through the cooperation of the first connecting part and the first through hole 11; to facilitate the connection between the support part 31 and the fixing member 2, the other end of the support part 31 is provided with a second connecting part, and the support part 31 is connected to the fixing member 2 through the cooperation of the second connecting part and the second through hole 22. In this embodiment, depending on the different implementations of the extension member 3, the connection methods between the extension member 3 and the base 1 and the fixing member 2 are also different, as detailed below:

[0082] First implementation method, such as Figure 2 and Figure 3As shown, the support part 31 in the extension part 3 includes a main body, and a through hole 311 is provided along the vertical direction of the base 1, penetrating the main body. In this case, to facilitate the connection between the support part 31 and the base 1 and the fixing part 2, a first screw 312 can be used, which is inserted through the through hole 311. The part of the first screw 312 protruding from one end of the main body is the first connecting part, which is connected to the first through hole 11. Alternatively, the first connecting part can be inserted through the first through hole 11 and connected to the first through hole 11 by a nut. Or, an internal thread can be provided in the first through hole 11 to connect the first connecting part and the first through hole 11. Hole 11 is directly threaded; the part protruding from the other end of the main body is the second connecting part, which is connected to the second through hole 22. The second connecting part is connected to the second through hole 22, either by passing the second connecting part through the second through hole 22 and fixing it with a nut to cooperate with the second connecting part to connect the second connecting part to the second through hole 22, or by setting an internal thread in the second through hole 22 to directly thread the second connecting part and the second through hole 22; or by setting a thread on the inner wall surface of the through hole 311, using a second screw as the first connecting part to insert into the first through hole 11 and threadedly connecting to one end of the main body, and at the same time, using a third screw as the second connecting part to insert into the second through hole 22 and threadedly connecting to the other end of the main body.

[0083] Second implementation method, such as Figure 4 As shown, the support portion 31 includes a first threaded section 313, a support section 314, and a second threaded section 315 connected in sequence. In this embodiment, the first threaded section 313 is a first connecting portion, which is inserted into the first through hole 11 to connect with the base 1. The second threaded section 315 is a second connecting portion, which is inserted into the second through hole 22 to connect with the fixing member 2.

[0084] It should be noted that, in order for the support part 31 to serve as a support for the base 1 and the fixing member 2, in this embodiment, the cross-sectional area of ​​the support section 314 is greater than the cross-sectional area of ​​the first threaded section 313 and the second threaded section 315.

[0085] In the third embodiment, one end of the support part 31 is provided with a first screw opening and the other end is provided with a second screw opening. A fourth screw is used as the first connecting part and inserted into the first through hole 11 to be threadedly connected with the first screw opening. At the same time, a fifth screw is used as the second connecting part and inserted into the second through hole 22 to be threadedly connected with the second screw opening.

[0086] It should be noted that the connection between the base 1, the fixing member 2 and the extension member 3 in the foundation pile can also be such that one end of the support part 31 in the extension member 3 is welded to the base 1, and the other end of the support part 31 in the extension member 3 is detachably connected to the fixing member 2; or, one end of the support part 31 in the extension member 3 is detachably connected to the base 1, and the other end of the support part 31 in the extension member 3 is welded to the fixing member 2.

[0087] It should be noted that, in this embodiment, when a through hole 311 is provided in the support part 31 along the vertical direction of the base 1, in order to increase the stability of the extension member 3, the foundation pile also includes a first collar 41. The first collar 41 is provided in the first through hole 11. The first collar 41 protrudes from the upper surface of the base 1. The first collar 41 protruding from the upper surface of the base 1 is inserted into the bottom end of the through hole 311 to limit the relative position of the support part 31 and the base 1; and / or, the foundation pile also includes a second collar 42. The second collar 42 protrudes from the lower surface of the fixing member 2. The second collar 42 protruding from the lower surface of the fixing member 2 is inserted into the top end of the through hole 311 to limit the relative position of the support part 31 and the fixing member 2.

[0088] Furthermore, in this embodiment, to make the connection between the first extension 32 and the second extension 33 on the support 31 more stable and to further increase the stability of the extension member 3, the portion of the first collar 41 protruding from the upper surface of the base 1 extends to the connection between the first extension 32 and the support 31. Similarly, the portion of the second collar 42 protruding from the lower surface of the fixing member 2 extends to the connection between the second extension 33 and the support 31.

[0089] It should be noted that in this embodiment, when the extension is composed of multiple independent components, such as the extension including the first extension 32 and the second extension 33 as described above, in order to increase the stability between the first extension 32 and the second extension 33, as follows: Figures 1 to 4 As shown, a first reinforcing rib 34 is provided between the first extension 32 and the second extension 33. The first reinforcing rib 34 can be a plurality of columnar members connected between the first extension 32 and the second extension 33, or it can be a plate-like member that connects the first extension 32 and the second extension 33 into one piece. The first reinforcing rib 34 is used to increase the structural strength and stability of the extension.

[0090] It should be noted that, in this embodiment, a second reinforcing rib may also be provided between adjacent extension members 3. The second reinforcing rib may be provided between adjacent support portions 31, between adjacent first extension portions 32, or between adjacent second extension portions 33; or, one end of the second reinforcing rib may be connected to the first extension portion 32 of a set of extension members 3, and the other end may be connected to the second extension portion 33 of an adjacent extension member 3.

[0091] To further enhance the stability and load-bearing capacity of the foundation pile proposed in this embodiment, the foundation pile is further provided with a reinforcing member, which is connected to the extension portion. The implementation of the reinforcing member includes, but is not limited to, the following:

[0092] In the first embodiment, the reinforcing member is an angle steel extending downward from the base 1.

[0093] In the second embodiment, the reinforcing member is a spiral column extending downwards from the base 1.

[0094] The third implementation method, such as Figure 4 As shown, the reinforcing member is a support plate 5 parallel to the base 1.

[0095] It should be noted that the reinforcement components of the foundation pile can be a single structure or a combination of multiple structures. For example, six extension members 3 are set in the foundation pile, and the spiral column and the support plate 5 are alternately set on the six extension members 3.

[0096] The second aspect of this embodiment discloses a photovoltaic device, including a foundation pile as described above, and a support structure, wherein the foundation pile is pre-installed in the foundation, and the support structure is connected to the fixing member 2.

[0097] The advantages of this embodiment are: it reduces the difficulty of pile construction, saves costs, increases the stability of piles, and makes it easier to determine the orientation of piles.

[0098] First, when using the foundation pile proposed in this embodiment, it is only necessary to dig a hole at the foundation where the foundation pile is set, with the hole size being appropriate to that of the base 1, and the depth of the hole only needing to be appropriate to that of the support part 31. According to the position of the extension part 3, a corresponding long trench is dug around the hole, and the foundation pile of this embodiment is placed in the area. Finally, the area is buried and fixed, without the need to open a relatively deep foundation pit, thus reducing the construction difficulty and saving costs.

[0099] Meanwhile, since the multiple extension members 3 in the foundation pile are arranged in a ring array around the vertical line of the base 1, and the multiple extension members 3 are all buried in the foundation, the stability of the foundation pile is increased, and when the external support structure is connected to the foundation pile, it prevents the external support structure from tilting or other situations.

[0100] Secondly, the foundation pile disclosed in this embodiment is composed of a base 1, a fixing member 2, and an extension member 3 connected together. The structure is simple, and the base 1, fixing member 2, and extension member 3 are detachably connected, which is easy to process and convenient to transport. In use, simply place the base 1 and extension member 3 in the installation position in sequence, then place the fixing member 2 on the top of the extension member 3, and use bolts to pass through the second through hole 22 of the fixing member 2, the through hole 311 of the extension member 3, and the first through hole 11 of the base 1 in sequence to fix the fixing member 2, the extension member 3, and the base 1. The installation process is simple and quick and easy to operate.

[0101] Meanwhile, the support part 31 is supported between the base 1 and the fixing member 2. When the fixing member 2 is set on the foundation surface or shallowly buried, the embedment depth of the base 1 can be set according to the different foundations to ensure the stability of the pile. Therefore, the pile proposed in this embodiment can reduce the construction difficulty during use and adapt to foundations in different environments.

[0102] Third, since the other end of the extension extends away from the vertical line of the base 1, the level of the fixing member 2 can be adjusted by adjusting the embedment depth of the extension member 3 when installing the foundation pile, so as to ensure the verticality of the support structure installed on the fixing member 2. When the number of extension members 3 is even, especially when the number of extension members 3 is six, since the extension members 3 are arranged in a ring array, the even number of extension members 3 are located on the same straight line passing through the base 1 in pairs. This makes it easy to confirm the orientation of the support structure connected to the fixing member 2 by the embedment direction of the extension members 3. When the foundation pile proposed in this embodiment is used for photovoltaic devices, the azimuth angle of the photovoltaic device can be preset by the extension members 3.

Claims

1. A pile, characterized in that The utility model relates to a kind of support structures, including: Base; Fixing piece, the fixing piece is set on the upper of the base; No less than three expansion pieces, multiple the expansion pieces are distributed around the median line of the base annular array, the expansion piece includes support part and extension part, One end of the support part is connected with the base, the other end is connected with the base, One end of the extension part is connected to the support part, the other end extends in the direction away from the median line of the base.

2. The pile of claim 1, wherein The number of the expansion piece is six or eight.

3. The pile of claim 1, wherein The extension part includes first extension part and second extension part; One end of the first extension part is connected to the bottom end of the support part, the other end extends in the direction away from the median line of the base; One end of the second extension part is connected to the support part, the other end extends in the direction away from the median line of the base; The extension end of the first extension part is connected with the extension end of the second extension part.

4. The pile of claim 3, wherein The first extension part is square tube, circular tube and / or angle steel;The second extension part is square tube, circular tube and / or angle steel.

5. The pile of claim 3, wherein The base is provided with a number of first through holes not less than the number of the expansion pieces, the fixing piece is provided with a number of second through holes not less than the number of the expansion pieces, One end of the support part is provided with a first connecting part, and the support part is connected with the base through the cooperation of the first connecting part and the first through hole; The other end of the support part is provided with a second connecting part, and the support part is connected with the fixing piece through the cooperation of the second connecting part and the second through hole.

6. The pile of claim 5, wherein, The support part includes a main body, and a through hole penetrating the main body is provided in the direction of the median line of the base; Further comprising a first screw rod, the first screw rod is provided in the through hole, wherein the part of the first screw rod protruding from one end of the main body is the first connecting part, and the part of the first screw rod protruding from the other end of the main body is the second connecting part, Or, The inner wall surface of the through hole is provided with a thread, the first connecting part is a second screw rod threadedly connected to one end of the main body, and the second connecting part is a third screw rod threadedly connected to the other end of the main body.

7. The pile of claim 5, wherein The support part includes a first threaded section, a support section and a second threaded section connected in sequence, wherein the first threaded section is the first connecting part, the second threaded section is the second connecting part, and the cross-sectional area of the support section is greater than that of the first threaded section and the second threaded section.

8. The pile of claim 5, wherein, One end of the support part is provided with a first screw port, and the other end is provided with a second screw port, the first connecting part is a fourth screw rod threadedly connected to the first screw port, and the second connecting part is a fifth screw rod threadedly connected to the second screw port.

9. The pile of claim 6, wherein, Further comprising a first collar, the first collar is provided in the first through hole, the first collar protrudes from the upper surface of the base, and the protruding first collar is inserted into the through hole; And / or, Further comprising a second collar, the second collar protrudes from the lower surface of the fixing piece, and the protruding second collar is inserted into the through hole.

10. The pile of claim 9, wherein, The part of the first collar protruding from the upper surface of the base extends to the connection between the first extension part and the support part, And / or, The second collar protrudes from the part of the lower surface of the fixing member extending to the connection between the second extension and the support part.

11. The pile of claim 3, wherein The extension member further comprises a first reinforcing rib for reinforcing the connection between the first extension and the second extension of each group of extension members.

12. A pile according to any one of claims 1 to 11, wherein A second reinforcing rib is arranged between adjacent extension members, and / or a reinforcing member is connected to the extension.

13. The pile of claim 12, wherein, The reinforcing member is a helical column and / or an angle steel extending downwardly from the base; and / or The reinforcing member is a support plate parallel to the base.

14. A photovoltaic device, characterized by The pile comprising the base as claimed in any one of claims 1-13 further comprises a support structure, the pile being embedded in a foundation, and the support structure being connected to the fixing member.

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