CN114541457B - Pile foundation for photovoltaic support - Google Patents
Pile foundation for photovoltaic support Download PDFInfo
- Publication number
- CN114541457B CN114541457B CN202210226780.6A CN202210226780A CN114541457B CN 114541457 B CN114541457 B CN 114541457B CN 202210226780 A CN202210226780 A CN 202210226780A CN 114541457 B CN114541457 B CN 114541457B
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- Prior art keywords
- main body
- extension
- pile foundation
- photovoltaic bracket
- support
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- 239000004567 concrete Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 239000002689 soil Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- -1 for example Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a pile foundation for a photovoltaic bracket, which comprises the following components: the support assembly comprises a plurality of support pieces, the support pieces are arranged at intervals along the circumference of the main body, the support pieces comprise connecting ends and free ends, the connecting ends are rotatably arranged on the main body, the extension pieces are movably sleeved on the main body along the length direction of the main body, the extension pieces are located between the main body and the support assemblies, and one ends of the extension pieces are connected with the support assemblies. The pile foundation for the photovoltaic bracket has the advantage of good anti-overturning effect.
Description
Technical Field
The invention relates to the technical field of photovoltaic pile foundations, in particular to a pile foundation for a photovoltaic bracket.
Background
In the related art, the photovoltaic module bracket is arranged on the precast pile foundation, the precast pile foundation is usually driven into the soil by the prestressed concrete pipe pile, and when the precast pile foundation is subjected to larger external force, friction force is generated between the outer wall surface of the precast pile foundation and the soil body, so that the anti-capsizing effect is poor.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the invention provides the pile foundation for the photovoltaic bracket, which has the advantage of good anti-overturning effect.
The pile foundation for the photovoltaic bracket provided by the embodiment of the invention comprises the following components: the support assembly comprises a plurality of support pieces, the support pieces are arranged at intervals along the circumferential direction of the main body, the support pieces comprise connecting ends and free ends, and the connecting ends are rotatably arranged on the main body; the extension piece is movably sleeved on the main body along the length direction of the main body, the extension piece is positioned between the main body and the supporting component, and one end of the extension piece is connected with the supporting component.
According to the pile foundation for the photovoltaic bracket, the extension piece can be used for downwards moving so that the free ends of the support pieces move in the direction away from the main body, and the free ends are inserted into soil body, so that the friction force between the pile foundation for the photovoltaic bracket and the soil body is increased, and the anti-overturning capacity of the pile foundation for the photovoltaic bracket is improved.
Therefore, the pile foundation for the photovoltaic bracket has the advantage of good anti-overturning effect.
In some embodiments, the support assembly further comprises a plurality of connectors arranged at intervals along the circumference of the main body, the plurality of connectors are in one-to-one correspondence with the plurality of supports, the connectors comprise a first end and a second end, the first end of one connector is rotatably connected with one support, and the second end of one connector is connected with one end of the extension.
In some embodiments, the support assembly further comprises a connecting ring, the connecting ring is sleeved on the main body, the second end is rotatably connected with the connecting ring, the connecting ring is located on one side of the extension piece adjacent to the connecting piece, and the one end of the extension piece abuts against the connecting ring.
In some embodiments, the device further comprises a locking piece, wherein the locking piece is movably sleeved on the main body, the locking piece is arranged adjacent to the other end of the extending piece, the locking piece is abutted or connected with the extending piece, and the locking piece is matched with the main body so as to fix the position of the extending piece.
In some embodiments, the locking member is configured to be coupled to the body and to the body, and the locking member is configured to be coupled to the body and to the body.
In some embodiments, the grouting device further comprises an annular frame, the annular frame is sleeved on the main body, a grouting area is defined by the inner wall surface of the annular frame and the outer peripheral surface of the main body, the supporting component is located in the grouting area, a plurality of communication grooves are formed in the side wall of the annular frame, the communication grooves are arranged at intervals along the circumferential direction of the annular frame, the communication grooves correspond to the supporting pieces one by one, and therefore the free ends of the supporting pieces penetrate through the communication grooves from the grouting area to move out of the annular frame.
In some embodiments, the free end is a pointed end.
In some embodiments, the ring frame further comprises an extension secured to the lower end of the body, the extension having a radial dimension that is consistent with a radial dimension of the ring frame.
In some embodiments, the main body is provided with a first filling cavity, and the main body is provided with a grouting hole which is communicated with the first filling cavity and the outside, and the first filling cavity is used for filling concrete.
In some embodiments, the extension has a second filling chamber in communication with the first filling chamber.
Drawings
Fig. 1 is a schematic structural view of a pile foundation for a photovoltaic bracket according to an embodiment of the present invention.
Fig. 2 is a schematic view of the A-A plane shown in fig. 1.
Fig. 3 is a schematic structural view of a pile foundation for a photovoltaic bracket according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a support member of a pile foundation for a photovoltaic bracket according to an embodiment of the present invention.
Reference numerals:
Soil body 100;
A main body 1;
a support assembly 2; a support 21; a connection end 211; a free end 212; a connecting member 22; a first end 221; a second end 222; a connection ring 23;
An extension 3;
A locking member 4;
An extension 5;
A ring-shaped frame 6; a grouting area 61; a communication groove 62;
An extension 7; the second filling chamber 71.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 4, the pile foundation for a photovoltaic bracket according to an embodiment of the present invention includes: a main body 1, a support assembly 2 and an extension 3.
The support assembly 2 includes a plurality of support members 21, the plurality of support members 21 are arranged at intervals along the circumferential direction of the main body 1, the support members 21 include a connection end 211 and a free end 212, the connection end 211 is rotatably provided on the main body 1, the extension member 3 is movably sleeved on the main body 1 along the length direction (up-down direction in fig. 1) of the main body 1, the extension member 3 is located between the main body 1 and the support assembly 2, and one end of the extension member 3 is connected with the support assembly 2.
Specifically, as shown in fig. 1 and 2, the lower end of the supporting member 21 is a connection end 211, the upper end of the supporting member 21 is a self-use end, and the lower end of the extending member 3 is connected to the supporting assembly 2, in other words, the lower end of the extending member 3 is connected to the inner sides of the plurality of supporting members 21, wherein the supporting members 21 may be rod-shaped, but may also be plate-shaped or have other shapes.
Preferably, the connection end 211 of the support 21 is hinged with the body 1 to enable the rotation of the support 21. The cross section of the main body 1 is circular, the extension piece 3 is a circular tube, and the inner peripheral surface of the extension piece 3 is contacted with the outer peripheral surface of the main body 1.
The main body 1 may be a solid body, or the main body 1 may be a hollow body. When the main body 1 is a solid body, the pile foundation can be made of different materials, for example, metal materials, and materials suitable for soil bodies can be adopted according to actual use environments so as to improve the service life of the pile foundation for the photovoltaic bracket; when the body 1 is a hollow body, other materials may be injected into the body 1 in order to increase the overall mass of the body 1, for example, by filling the hollow body 1 with concrete.
It can be understood that, the pile foundation for a photovoltaic bracket according to the embodiment of the present invention is placed in the soil body 100, and the supporting component 2 is completely placed in the soil body 100, and the extending member 3 is controlled to move downward, so that the angle between the plurality of supporting members 21 and the main body 1 is larger and larger, that is, the extending member 3 moves downward, the plurality of supporting members 21 move outward, so that the free ends 212 of the supporting members 21 are inserted into the soil body 100, so as to increase the contact area between the pile foundation for a photovoltaic bracket according to the embodiment of the present invention and the soil body 100, thereby improving the anti-overturning capability of the pile foundation for a photovoltaic bracket.
The lower end of the extension member 3 is connected to the support assembly 2, and the extension member 3 may be connected to the support assembly 2 through a connecting member, or the extension member 3 may contact or abut against the support assembly 2.
Therefore, the pile foundation for the photovoltaic bracket has the advantage of good anti-overturning effect.
In some embodiments, as shown in fig. 1 and 2, the support assembly 2 further includes a plurality of connection members 22, the plurality of connection members 22 are arranged at intervals along the circumferential direction of the body 1, the plurality of connection members 22 are in one-to-one correspondence with the plurality of support members 21, the connection members 22 include a first end 221 and a second end 222, the first end 221 of one connection member 22 is rotatably connected to one support member 21, and the second end 222 of one connection member 22 is connected to one end of the extension member 3.
Specifically, as shown in fig. 1, the lower end of the connecting member 22 is a first end 221, the upper end of the connecting member 22 is a second end 222, the first end 221 of the connecting member 22 is hinged to the supporting member 21, and the second end 222 of the connecting member 22 may be hinged to the extending member 3. Of course, the second end 222 of the connecting member 22 may also be in contact with or abut the lower end of the extension member 3.
It can be understood that when the extension member 3 is moved downward, the lower end of the extension member 3 pushes the connection member 22 to move downward, and at the same time, the connection member 22 and the extension member 3 relatively rotate, so that the first end 221 of the connection member 22 moves away from the main body 1 (even if the connection member 22 moves toward the outer side of the main body 1), and the first end 221 of the connection member 22 moves toward the outer side of the main body 1 to drive the support member 21 to move, thereby realizing the insertion of the support member 21 into the soil body 100, increasing the contact area between the pile foundation for the photovoltaic bracket and the soil body 100, improving the friction force between the pile foundation for the photovoltaic bracket and the soil body 100, and improving the anti-overturning capability.
In some embodiments, as shown in fig. 1, the support assembly 2 further includes a connecting ring 23, the connecting ring 23 is sleeved on the main body 1, the second end 222 is rotatably connected with the connecting ring 23, the connecting ring 23 is located on one side of the extension member 3 adjacent to the connecting member 22, and one end of the extension member 3 abuts against the connecting ring 23.
Specifically, as shown in fig. 1, the lower end of the extension member 3 abuts against the upper end of the connection ring 23, and the second end 222 of the connection member 22 is hinged to the connection ring 23.
It will be appreciated that the connecting ring 23 is annular, and the inner peripheral surface of the connecting ring 23 contacts with the outer peripheral surface of the main body 1, so that when the extension member 3 moves downward, the extension member 3 can uniformly act on the connecting ring 23, so that the plurality of connecting members 22 can be uniformly forced, the angles of the plurality of connecting members 22 moving to the outside of the main body 1 are equal, and the angles of the plurality of supporting members 21 moving to the outside of the main body 1 are equal.
That is, when the extension member 3 moves downward by a certain distance and the connection ring 23 moves downward by a certain distance, the supporting member 21 moves to the outside of the main body 1 through the connection member 22, and at this time, the plurality of supporting frames rotate to the outside by a certain angle, so that the open state of the pile foundation supporting member 21 for the photovoltaic bracket according to the embodiment of the present invention is ensured, and the contact area between the pile foundation for the photovoltaic bracket and the soil body 100 is ensured.
In some embodiments, the pile foundation for a photovoltaic bracket according to the embodiments of the present invention further includes a locking member 4, where the locking member 4 is movably sleeved on the main body 1, the locking member 4 is disposed adjacent to the other end of the extension member 3, the locking member 4 abuts against or is connected to the extension member 3, and the locking member 4 cooperates with the main body 1 so as to fix the position of the extension member 3.
It will be appreciated that the locking member 4 is located above the extension member 3 as shown in figure 1, the locking member 4 may be directly connected to the extension member 3, or the locking member 4 may abut the extension member 3. Wherein the locking member 4 is annular.
When the locking piece 4 is directly connected with the extension piece 3, after the extension piece 3 is moved downwards to a certain position, the locking piece 4 is matched with the main body 1, and the locking piece 4 can be fixed with the main body 1 to fix the position of the extension piece 3. For example, the locking piece 4 may be connected to the main body 1 through a buckle, or the locking piece 4 is provided with a locking hole, the main body 1 is provided with a connecting hole matched with the locking hole, after the extending piece 3 moves for a certain position, the locking hole corresponds to the connecting hole, and then the connecting shaft is inserted into the locking hole and the connecting hole, so as to fix the locking piece 4 and the main body 1. Of course, the locking element 4 may also be fixedly connected to the body 1 in other ways, for example, the locking element 4 may be screwed to the body 1.
Alternatively, the locking member 4 is a nut, and the main body 1 is provided with a thread cooperating with the nut, so that the locking member and the main body 1 can be connected by the thread.
In some embodiments, the pile foundation for a photovoltaic bracket according to the embodiments of the present invention further includes an extension member 5, where the extension member 5 is disposed on one side of the main body 1 adjacent to the locking member 4, and the extension member 5 is used to connect with the locking member 4 so as to fix the position of the locking member 4.
Specifically, the extension 5 is located at the upper end of the main body 1, and the extension 5 is a cylinder, and the extension 5 may be matched with the lock bracket to fix the lock bracket. Preferably, the lock leg is a nut and the extension 5 is a stud that mates with the nut.
It can be understood that, the extension piece 5 is arranged on the main body 1, so that the height of the main body 1 in the up-down direction can be increased, and the pile foundation for the photovoltaic bracket in the embodiment of the invention can be placed in a deeper soil body 100, so that the self length of the main body 1 is avoided from being too long, and the manufacture and the transportation are convenient.
Preferably, the pile foundation for the photovoltaic bracket according to the embodiment of the present invention is placed in the soil body 100 such that the leaking portion is two-thirds to three-quarters of the pile foundation for the photovoltaic bracket.
Furthermore, the extension 5 may be directly connected to the body 1 by welding or other connection means.
In some embodiments, the pile foundation for a photovoltaic bracket according to the embodiments of the present invention further includes an annular member 6, the annular member 6 is sleeved on the main body 1, the inner wall surface of the annular member 6 and the outer circumferential surface of the main body 1 define a grouting area 61, the support assembly 2 is located in the grouting area 61, the sidewall of the annular member 6 is provided with a plurality of communication grooves 62, the plurality of communication grooves 62 are arranged at intervals along the circumferential direction of the annular member 6, and the plurality of communication grooves 62 are in one-to-one correspondence with the plurality of support members 21, so that the free ends 212 of the support members 21 move from the grouting area 61 to the outside of the annular member 6 through the communication grooves 62.
It will be appreciated that as shown in fig. 1, the ring member 6 has a cylindrical shape, the lower end of the ring member 6 is connected to the main body 1, and the upper end of the ring member 6 is opened for grouting.
That is, when the extension member 3 moves downward to rotate the support member 21 to the outside of the body 1, the free ends 212 of the support member 21 may pass through the communication grooves 62 and be inserted into the soil body 100, i.e., the free ends 212 of the support member 21 are moved from the grouting area 61 to the soil body 100 so that the plurality of support members 21 are in contact with the soil body 100. After fixing the extension member 3, concrete may be injected into the grouting area 61 through the upper end opening of the ring member 6 so that the grouting area 61 is filled with concrete. When concrete is injected into the grouting area 61, the concrete in the grouting area 61 can flow into the soil body 100 through the communicating grooves 62 and is in contact with the supporting piece 21 arranged on the soil body 100, and after the concrete is solidified, the contact area between the pile foundation for the photovoltaic bracket and the soil body 100 is further increased, so that the anti-overturning capacity of the pile foundation for the photovoltaic bracket is improved.
As shown in fig. 1 and 4, when the support 21 is in the grouting area 61, the longitudinal direction of the support 21 substantially coincides with the up-down direction, and the thickness direction of the support 21 substantially coincides with the left-right direction. The cross section of the support 21 may be rectangular, although the cross section of the support 21 may be circular or otherwise.
Alternatively, the thickness dimension of the support member 21 gradually decreases from top to bottom, or the thickness dimension of the support member 21 gradually decreases from left to right, or as shown in fig. 4, the support member 21 has a flat end and a tip, the side of the support member 21 adjacent to the main body 1 is the flat end, and the side of the support member 21 away from the main body 1 is the tip.
Preferably, the free end 212 is pointed. I.e. the thickness dimension of support member 21 decreases gradually from left to right, free end 212 is more easily inserted into soil body 100 during movement of support member 21 toward soil body 100.
In some embodiments, the pile foundation for a photovoltaic bracket according to the present invention further includes an extension 7, where the extension 7 is fixed at the lower end of the main body 1, and a radial dimension of the extension 7 is consistent with a radial dimension of the ring-shaped member 6, according to which a circular duct may be first provided in the soil body 100, so that a portion of the pile foundation for a photovoltaic bracket is placed in the circular duct.
As can be appreciated, as shown in fig. 1 and 3, the upper end of the extension section 7 is connected with the main body 1, and after the poured concrete is solidified, the pile foundation for the photovoltaic bracket forms a tree-shaped pile foundation in the soil body 100, so that the anti-overturning capacity of the pile foundation for the photovoltaic bracket is further improved.
In some embodiments, the main body 1 is provided with a first filling cavity, and the main body 1 is provided with a grouting hole which is communicated with the first filling cavity and the outside, wherein the first filling cavity is used for filling concrete.
It will be appreciated that the body 1 is a cylinder with a cavity, which reduces the overall weight of the body 1 and facilitates transportation. The grouting holes can be formed in the upper end face of the main body 1, and can be formed in other positions, so that concrete can be conveniently injected into the first filling cavity.
The extension member 5 and the main body 1 may be connected by concrete. For example, a grouting hole is formed in the upper end surface of the main body 1, the radial dimension of the grouting hole is consistent with the radial dimension of the extension piece 5, that is, concrete is injected into the main body 1 through the grouting hole, one end of the extension piece 5 is inserted into the first filling cavity through the grouting hole, and one end of the extension piece 5 is contacted with the concrete in the first filling cavity, so that the extension piece 5 and the main body 1 are fixed.
In some embodiments, the extension 7 has a second filling chamber 71, the second filling chamber 71 being in communication with the first filling chamber.
It will be appreciated that the concrete is injected into the main body 1 through the grouting holes, and the concrete can flow into the second filling cavity 71 through the first filling cavity, so as to increase the overall weight of the pile foundation for the photovoltaic bracket and further improve the anti-overturning capability of the pile foundation for the photovoltaic bracket.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the invention.
Claims (5)
1. A pile foundation for a photovoltaic bracket, comprising:
The main body is provided with a plurality of grooves,
The support assembly comprises a plurality of support pieces, the support pieces are arranged at intervals along the circumferential direction of the main body, the support pieces comprise connecting ends and free ends, and the connecting ends are rotatably arranged on the main body;
The extending piece is movably sleeved on the main body along the length direction of the main body, the extending piece is positioned between the main body and the supporting component, and one end of the extending piece is connected with the supporting component;
The grouting device comprises a main body, and is characterized by further comprising an annular frame, wherein the main body is sleeved with the annular frame, a grouting area is defined by the inner wall surface of the annular frame and the outer peripheral surface of the main body, the supporting component is positioned in the grouting area, a plurality of communication grooves are formed in the side wall of the annular frame, the communication grooves are arranged at intervals along the circumferential direction of the annular frame, and the communication grooves correspond to the supporting pieces one by one, so that the free ends of the supporting pieces pass through the communication grooves from the grouting area to move out of the annular frame;
the device further comprises an extension section, wherein the extension section is fixed at the lower end of the main body, and the radial dimension of the extension section is consistent with that of the annular frame;
the free end is a tip;
The main body is provided with a first filling cavity, the main body is provided with a grouting hole, the grouting hole is communicated with the first filling cavity and the outside, and the first filling cavity is used for filling concrete;
the extension has a second filling chamber in communication with the first filling chamber.
2. The pile foundation for a photovoltaic bracket of claim 1, wherein the supporting assembly further comprises a plurality of connecting members, a plurality of the connecting members being arranged at intervals along the circumferential direction of the main body, the plurality of connecting members being in one-to-one correspondence with the plurality of supporting members, the connecting members including a first end and a second end, the first end of one of the connecting members being rotatably connected to one of the supporting members, the second end of one of the connecting members being connected to one end of the extending member.
3. The pile foundation for a photovoltaic bracket of claim 2, wherein the support assembly further comprises a connecting ring, the connecting ring is sleeved on the main body, the second end is rotatably connected with the connecting ring, the connecting ring is located on one side of the extension piece adjacent to the connecting piece, and the one end of the extension piece abuts against the connecting ring.
4. A pile foundation for a photovoltaic bracket according to claim 3, further comprising a locking member movably sleeved on the main body, the locking member being disposed adjacent the other end of the extension member, the locking member being in abutment or connection with the extension member, the locking member cooperating with the main body to fix the position of the extension member.
5. The pile foundation for a photovoltaic bracket of claim 4, further comprising an extension member disposed on a side of the body adjacent the locking member, the extension member being adapted to couple with the locking member to fix the position of the locking member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210226780.6A CN114541457B (en) | 2022-03-09 | 2022-03-09 | Pile foundation for photovoltaic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210226780.6A CN114541457B (en) | 2022-03-09 | 2022-03-09 | Pile foundation for photovoltaic support |
Publications (2)
| Publication Number | Publication Date |
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| CN114541457A CN114541457A (en) | 2022-05-27 |
| CN114541457B true CN114541457B (en) | 2024-06-25 |
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| CN202210226780.6A Active CN114541457B (en) | 2022-03-09 | 2022-03-09 | Pile foundation for photovoltaic support |
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| CN (1) | CN114541457B (en) |
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| CN217460650U (en) * | 2022-03-09 | 2022-09-20 | 华能陕西靖边电力有限公司 | Pile foundation for photovoltaic support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114541457A (en) | 2022-05-27 |
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