Connecting device suitable for beach photovoltaic support and pile foundation and photovoltaic power generation equipment

Abstract

The utility model belongs to the technical field of photovoltaic power generation equipment, and provides a connecting device suitable for a mudflat photovoltaic support and a pile foundation and photovoltaic power generation equipment, and the connecting device comprises a stand column, and a first connecting plate and a second connecting plate which are respectively and vertically arranged at two ends of the stand column; the stand column is a hollow stand column and can be connected to the pile foundation in a sleeving mode, the connecting stability is guaranteed, and the stand column is connected with the support stand column and the pile foundation through the first connecting plate and the second connecting plate. And a plurality of first bolt holes and a plurality of second bolt holes are formed in the first connecting plate and the second connecting plate in the circumferential direction, so that the connecting stability is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic power generation equipment, and specifically relates to a connection device suitable for a tidal flat photovoltaic support and a pile foundation, and photovoltaic power generation equipment. Background Art

[0002] Tidal flats are less obstructed and offer abundant sunlight. Developing photovoltaic power generation in these areas can improve power generation efficiency while also fully utilizing the land, reducing onshore land occupation and alleviating the current land resource shortage. Tidal flat photovoltaics offer broad prospects for development. In recent years, tidal flat photovoltaics have developed rapidly, with some tidal flat photovoltaic power stations already connected to the grid. However, the highly corrosive nature of tidal flats, high wind loads, poor geological conditions, and short construction windows pose significant challenges to their construction, and the development of tidal flat photovoltaics still faces many pressing challenges.

[0003] At present, the connection between tidal flat photovoltaic brackets and pile foundations mostly adopts the same connection method as land-based photovoltaics, that is, a steel clamp is set on the pile body, and each support rod of the bracket is connected to the clamp on the pile foundation by steel bolt connection or welding. This connection method is difficult to construct and has poor connection reliability, and is not suitable for the construction of tidal flat photovoltaics. Utility Model Content

[0004] In order to solve the above problems, the present invention proposes a connection device and photovoltaic power generation equipment suitable for mudflat photovoltaic brackets and pile foundations. The columns in the present invention are hollow columns, which can be sleeved on the pile foundation to ensure the stability of the connection. The columns are connected to the bracket columns and the pile foundation respectively through the first connecting plate and the second connecting plate; the first connecting plate and the second connecting plate are provided with multiple first bolt holes and multiple second bolt holes along the circumference, which further improves the connection stability.

[0005] According to some embodiments, the first solution of the present utility model provides a connection device between a tidal flat photovoltaic support and a pile foundation, which adopts the following technical solution:

[0006] A connecting device for a tidal flat photovoltaic support and a pile foundation, comprising a column, and a first connecting plate and a second connecting plate respectively arranged vertically at both ends of the column;

[0007] The column is a hollow column; a plurality of first bolt holes and a plurality of second bolt holes are provided on the first connecting plate and the second connecting plate along the circumferential direction, and the plurality of first bolt holes are located inside the plurality of second bolt holes.

[0008] Furthermore, a first reinforcing rib is provided on the outside of the column.

[0009] Furthermore, the first connecting plate is a circular plate structure or a circular ring structure.

[0010] Furthermore, the second connecting plate is a circular ring structure.

[0011] Furthermore, a plurality of first bolt holes are evenly arranged on the first connecting plate and the second connecting plate along the circumferential direction; and a plurality of second bolt holes are evenly arranged on the first connecting plate and the second connecting plate along the circumferential direction.

[0012] According to some embodiments, a second solution of the present invention provides a photovoltaic power generation device, which adopts the following technical solution:

[0013] A photovoltaic power generation device comprises a photovoltaic support, a pile foundation, and a connecting device arranged between the photovoltaic support and the pile foundation;

[0014] The connecting device includes a column, and a first connecting plate and a second connecting plate respectively vertically arranged at both ends of the column;

[0015] The column is a hollow column; a plurality of first bolt holes and a plurality of second bolt holes are provided on the first connecting plate and the second connecting plate along the circumferential direction, and the plurality of first bolt holes are located inside the plurality of second bolt holes.

[0016] Furthermore, the photovoltaic bracket includes a bracket body and a third connecting plate vertically arranged at the end of the bracket body; the third connecting plate is provided with a plurality of first bolt holes and a plurality of second bolt holes along the circumferential direction.

[0017] Furthermore, a second reinforcing rib is provided between the bracket body and the third connecting plate.

[0018] Furthermore, the pile foundation includes a pile basic body and a fourth connecting plate vertically arranged on the pile basic body; the fourth connecting plate is provided with a plurality of first bolt holes and a plurality of second bolt holes along the circumferential direction.

[0019] Furthermore, a third reinforcing rib is provided between the pile basic body and the fourth connecting plate.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The utility model includes a column, and a first connecting plate and a second connecting plate respectively vertically arranged at both ends of the column; the column is a hollow column and can be sleeved on the pile foundation to ensure the connection stability, and is connected to the bracket column and the pile foundation respectively through the first connecting plate and the second connecting plate; the first connecting plate and the second connecting plate are respectively provided with a plurality of first bolt holes and a plurality of second bolt holes along the circumference, which further improves the connection stability, has low construction difficulty, only requires bolt connection, and has strong connection reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0023] Figure 1 It is a schematic diagram of the device structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the connecting plate structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the bolt hole distribution of the utility model;

[0026] Among them: 1. Connecting device; 101. First connecting plate; 102. Post; 103. Second connecting plate; 104. First reinforcing rib; 105. First nut; 106. First bolt; 107. Second nut; 108. Second bolt; 109. First bolt hole; 110. Second bolt hole; 2. Photovoltaic bracket; 201. Bracket body; 202. Third connecting plate; 203. Second reinforcing rib; 3. Pile foundation; 301. Pile base body; 302. Fourth connecting plate; 303. Third reinforcing rib. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0029] Example 1:

[0030] like Figure 1 and Figure 2 As shown, this embodiment provides a connection device suitable for use between a tidal flat photovoltaic support and a pile foundation, comprising a column 102, and a first connecting plate 101 and a second connecting plate 103 vertically arranged at both ends of the column 102;

[0031] The column 102 is a hollow column; a plurality of first bolt holes 109 and a plurality of second bolt holes 110 are provided on the first connecting plate 101 and the second connecting plate 103 along the circumferential direction, and the plurality of first bolt holes 109 are on the inner side of the plurality of second bolt holes 110 .

[0032] Optionally, the hollow steel pipe of the column 102 can be sleeved on the pile foundation 3 to ensure the connection stability, and is connected to the bracket 2 and the pile foundation 3 respectively through the first connecting plate 101 and the second connecting plate 103; the first connecting plate 101 and the second connecting plate 103 are provided with multiple first bolt holes 109 and multiple second bolt holes 110 along the circumference, which further improves the connection stability, has low construction difficulty, only requires bolt connection, and has strong connection reliability.

[0033] The column 102 is provided with a first reinforcing rib 104 on the outside. Optionally, the first reinforcing rib 104 can be configured as a plurality of arc-shaped plates welded to the surface of the column 102, or a plurality of metal columns welded to the surface of the column 102, thereby increasing the strength of the column 102 and reducing the probability of deformation of the column 102 due to external forces.

[0034] The first connecting plate 101 is a circular plate or ring structure. The second connecting plate 103 is a ring structure. Specifically, the first connecting plate 101 is a circular plate structure that can be directly connected to the end of the support column 2; the second connecting plate 103 is a ring structure that adapts to the structure of the column 102 and can be sleeved onto the pile foundation 3 to connect to it. This connection method is easy to operate, simple in structure, and highly stable.

[0035] A plurality of first bolt holes 109 are evenly arranged along the circumference on the first connecting plate 101 and the second connecting plate 103; and a plurality of second bolt holes 110 are evenly arranged along the circumference on the first connecting plate 101 and the second connecting plate 103; by setting two rows of bolt holes, the shear resistance after bolt connection can be improved and the stability can be improved.

[0036] Example 2:

[0037] This embodiment provides a photovoltaic power generation device, including a photovoltaic bracket 2, a pile foundation 3, and a connecting device 1 provided between the photovoltaic bracket 2 and the pile foundation 3;

[0038] The connecting device 1 includes a column 102, and a first connecting plate 101 and a second connecting plate 103 respectively vertically arranged at both ends of the column 102;

[0039] The column 102 is a hollow column; the first connecting plate 101 and the second connecting plate 103 are each provided with a plurality of first bolt holes 109 and a plurality of second bolt holes 110 along the circumference, with the plurality of first bolt holes 109 being located inwardly of the plurality of second bolt holes 110. The connection device 1 of this embodiment also possesses all the technical features of the connection device 1 of Example 1; as well as other components and structures included in the photovoltaic power generation device, which can be implemented using conventional techniques and will not be described in detail here.

[0040] like Figure 1 and Figure 3 As shown, the photovoltaic bracket 2 includes a bracket body 201 and a third connecting plate 202 vertically arranged at the end of the bracket body 201; the third connecting plate 202 is provided with a plurality of first bolt holes 109 and a plurality of second bolt holes 110 along the circumferential direction.

[0041] Optionally, the third connecting plate 202 is a circular plate structure or an annular steel plate vertically welded to the bracket body 201. Specifically, the first connecting plate 101 and the third connecting plate 202 are connected by a plurality of first nuts 105, a plurality of first bolts 106, a plurality of first bolt holes 109, and a plurality of second bolt holes 110, which is simple to operate and has a strong connection stability.

[0042] A second reinforcing rib 203 is provided between the bracket body 201 and the third connecting plate 202. Optionally, the second reinforcing rib 203 is a triangular steel plate or other structure welded between the bracket body 201 and the third connecting plate 202 to prevent local buckling of the third connecting plate 202 during use and enhance connection reliability.

[0043] The pile foundation 3 includes a pile basic body 301 and a fourth connecting plate 302 vertically arranged on the pile basic body 301 ; the fourth connecting plate 302 is provided with a plurality of first bolt holes 109 and a plurality of second bolt holes 110 along the circumferential direction.

[0044] Optionally, the fourth connecting plate 302 is a circular steel plate vertically welded to the side wall of the pile foundation 3. Specifically, the second connecting plate 103 and the fourth connecting plate 302 are connected by a plurality of second nuts 107, a plurality of second bolts 108, a plurality of first bolt holes 109, and a plurality of second bolt holes 110, which is simple to operate and has strong connection stability.

[0045] A third reinforcing rib 303 is provided between the pile body 301 and the fourth connecting plate 302. Optionally, the third reinforcing rib 303 is a triangular steel plate or other structure welded between the pile body 301 and the fourth connecting plate 302 to prevent local buckling of the fourth connecting plate 302 during use and enhance connection reliability.

[0046] Optionally, the surfaces of the first connecting plate 101, the second connecting plate 103, the third connecting plate 202 and the fourth connecting plate 302 are coated with an anti-corrosion coating to prevent them from rusting in the highly corrosive environment of the tidal flat, thereby ensuring the durability of the connection.

[0047] The dimensions of the column 102 can be determined based on the dimensions of the pile foundation 3. A first reinforcing rib 104 is provided on the outer surface of the column 102. The ends of the first reinforcing rib 104 are connected to the first connecting plate 101 and the second connecting plate 103, respectively, by welding or other means. This ensures that the column 102, the first connecting plate 101, and the second connecting plate 103 will not suffer local buckling failure during use, thereby enhancing the reliability of the device under strong wind loads on the mudflat. The surfaces of the column 102 and the first reinforcing rib 104 are both coated with an anti-corrosion coating to prevent rust in the corrosive environment of the mudflat, ensuring their proper performance.

[0048] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. Applicable to the connection device between the tidal flat photovoltaic support and the pile foundation, characterized in that: It comprises a column (102), and a first connecting plate (101) and a second connecting plate (103) respectively arranged vertically at two ends of the column (102); The column (102) is a hollow column; a plurality of first bolt holes (109) and a plurality of second bolt holes (110) are provided on the first connecting plate (101) and the second connecting plate (103) along the circumference, and the plurality of first bolt holes (109) are located inside the plurality of second bolt holes (110).

2. The connection device for a tidal flat photovoltaic support and a pile foundation according to claim 1, characterized in that: A first reinforcing rib (104) is provided on the outside of the column (102).

3. The connection device for a tidal flat photovoltaic support and a pile foundation according to claim 1, characterized in that: The first connecting plate (101) is a circular plate structure or a circular ring structure.

4. The connection device for a tidal flat photovoltaic support and a pile foundation according to claim 1, characterized in that: The second connecting plate (103) is a circular ring structure.

5. The connection device for a tidal flat photovoltaic support and a pile foundation according to claim 1, characterized in that: A plurality of first bolt holes (109) are evenly arranged along the circumference on the first connecting plate (101) and the second connecting plate (103); and a plurality of second bolt holes (110) are evenly arranged along the circumference on the first connecting plate (101) and the second connecting plate (103).

6. A photovoltaic power generation device, characterized in that: It comprises a photovoltaic support (2), a pile foundation (3), and a connecting device (1) arranged between the photovoltaic support (2) and the pile foundation (3); The connecting device (1) comprises a column (102), and a first connecting plate (101) and a second connecting plate (103) respectively arranged vertically at two ends of the column (102); The column (102) is a hollow column; a plurality of first bolt holes (109) and a plurality of second bolt holes (110) are provided on the first connecting plate (101) and the second connecting plate (103) along the circumference, and the plurality of first bolt holes (109) are located inside the plurality of second bolt holes (110).

7. A photovoltaic power generation device according to claim 6, characterized in that: The photovoltaic support (2) comprises a support body (201) and a third connecting plate (202) vertically arranged at the end of the support body (201); the third connecting plate (202) is provided with a plurality of first bolt holes (109) and a plurality of second bolt holes (110) along the circumference.

8. The photovoltaic power generation device according to claim 7, characterized in that: A second reinforcing rib (203) is provided between the bracket body (201) and the third connecting plate (202).

9. The photovoltaic power generation device according to claim 6, characterized in that: The pile foundation (3) comprises a pile basic body (301) and a fourth connecting plate (302) vertically arranged on the pile basic body (301); the fourth connecting plate (302) is provided with a plurality of first bolt holes (109) and a plurality of second bolt holes (110) along the circumferential direction.

10. The photovoltaic power generation device according to claim 9, characterized in that: A third reinforcing rib (303) is provided between the pile basic body (301) and the fourth connecting plate (302).

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