Supporting structure of photovoltaic module

Abstract

The utility model relates to a supporting structure of a photovoltaic module. The supporting structure comprises a stand column, a column head, a main beam assembly and a bolt. The column head is arranged at the top of the stand column, a second via hole extending in the first direction is formed in the column head, and a first via hole communicated with the second via hole is formed in the position, corresponding to the second via hole, of the stand column. The main beam assembly penetrates through the second via hole, and the column heads are used for limiting the two sides of the main beam in the second direction; the bolt penetrates through the stand column, the column head and the main beam in the second direction and locks the stand column, the column head and the main beam. The column head is arranged at the top of the column, the main beam is connected with the column through the column head, and the column head is used for limiting the main beam in the second direction. The bolt penetrates through the stand column, the column head and the main beam in the second direction so as to lock the stand column, the column head and the main beam, and then the main beam is fixed in the first direction. According to the supporting structure, welding is not needed, connection of the main beam and the stand column can be achieved only through bolt connection, the construction period is short, the construction technical difficulty is small, and the professional requirement is low.

Description

Technical Field

[0001] This application relates to the field of photovoltaic module installation technology, and in particular to the support structure of photovoltaic modules. Background Technology

[0002] With the development of residential photovoltaic systems, solar shed-style photovoltaic power stations have gradually become the mainstream in the market due to their large space.

[0003] In related technologies, photovoltaic power stations in solar greenhouses generally include a supporting structure and photovoltaic modules installed on the supporting structure, wherein the columns of the supporting structure and the main beams of the supporting structure are connected by welding.

[0004] However, welding has a long construction period, relatively high technical difficulty, and is highly specialized. Utility Model Content

[0005] Therefore, it is necessary to provide a support structure for photovoltaic modules to address the problems of long construction cycles, high difficulty, and high professional requirements caused by welding the columns and main beams of the support structure.

[0006] A support structure for a photovoltaic module, the support structure for the photovoltaic module comprising:

[0007] Columns;

[0008] A column head is provided at the top of the column, and a second through hole extending in a first direction is provided in the column head. A first through hole communicating with the second through hole is provided on the column corresponding to the second through hole.

[0009] The main beam assembly passes through the second through hole, and the column head is used to limit the main beam assembly on both sides along the second direction; and

[0010] Bolts are passed through the column, column head, and main beam assembly in the second direction and lock the column, column head, and main beam assembly.

[0011] In one embodiment, the column head is embedded in the first through hole.

[0012] In one embodiment, the column head includes a top cover and a first side wall, a bottom wall, and a second side wall connected in sequence. The first side wall and the second side wall are disposed opposite to each other. The top cover is disposed on the side of the first side wall and the second side wall away from the bottom wall and is disposed on the column.

[0013] In one embodiment, the bottom wall is inclined at the bottom of the first side wall and the second side wall, and the inclination direction of the bottom wall is adjustable.

[0014] In one embodiment, the first sidewall and the second sidewall are respectively provided with stiffening ribs extending in a second direction and away from the first through hole.

[0015] In one embodiment, the column head is fitted over the column.

[0016] In one embodiment, the column head includes a top cover and a third side wall, a fourth side wall, a fifth side wall, and a sixth side wall connected end to end. The same end of the third side wall, the fourth side wall, the fifth side wall, and the sixth side wall is connected to the top cover. The top cover is used to cover the top of the column. The top cover covers the top of the column. The second through hole passes through the third side wall and the fifth side wall in sequence.

[0017] In one embodiment, the main beam assembly includes a first main beam and a second main beam arranged at an angle, and the angle between the first main beam and the second main beam is variable.

[0018] In one embodiment, the support structure includes a crossbeam and a fastening assembly, the crossbeam being disposed between two adjacent columns, and the fastening assembly being used to connect the columns to the crossbeam by bolts.

[0019] In one embodiment, the fastening assembly includes a first fastener, which includes an intermediate connecting block and first L-shaped connecting blocks respectively disposed on both sides of the intermediate connecting block. The first L-shaped connecting block includes a first connecting segment and a second connecting segment that are perpendicular to each other. The two sides of the intermediate connecting block are respectively connected to the corresponding first L-shaped connecting blocks through the second connecting segments, and the intermediate connecting block and the two second connecting segments form a first limiting groove. The column is disposed in the first limiting groove. The intermediate connecting block is connected to the column by bolts. The two first connecting segments are respectively connected to two crossbeams located on both sides of the column and parallel to each other by bolts.

[0020] In one embodiment, the fastening assembly includes a second fastener, which is a straight connecting block. The second fastener is disposed opposite to the first fastener and is used to clamp the column and the crossbeam in the middle. The straight connecting block is connected to the column and two crossbeams located on both sides of the column by bolts.

[0021] In one embodiment, the fastening assembly includes a third fastener, which includes two interconnected second L-shaped connecting blocks. Each second L-shaped connecting block includes a third connecting segment and a fourth connecting segment that are perpendicular to each other. The third connecting segments of the two second L-shaped connecting blocks are vertically arranged. The two third connecting segments are respectively connected to two adjacent side walls of the column by bolts. The two fourth connecting segments are respectively connected to two perpendicular crossbeams.

[0022] In one embodiment, the fastening assembly further includes a fourth fastener, which is an L-shaped structure and is disposed opposite to the third fastener. The fourth fastener is used to clamp the column and portions of the two mutually perpendicular crossbeams in the middle. The fourth fastener is connected to the column and the two mutually perpendicular crossbeams respectively by bolts.

[0023] During installation, the aforementioned photovoltaic module support structure involves first passing the main beam assembly through the second through hole in the column head, then simultaneously placing the main beam assembly and column head into the first through hole at the top of the column. Bolts are then passed through the column, column head, and main beam assembly along the second direction to lock them together. In other words, the support structure of this application requires no welding; only bolt connections are needed to connect the main beam assembly and the column. This results in a short construction period, low technical difficulty, and minimal professional requirements. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the support structure in one embodiment.

[0025] Figure 2 This is a schematic diagram of the column head in one embodiment.

[0026] Figure 3 for Figure 1 A schematic diagram of the planar structure at point A.

[0027] Figure 4 This is a schematic diagram of the column head in another embodiment.

[0028] Figure 5 This is a schematic diagram of the column structure in one embodiment.

[0029] Figure 6 A schematic diagram of the connection structure for the column head being fitted onto the outside of the column.

[0030] Figure 7 This is a schematic diagram of the structure of the first fastener in one embodiment.

[0031] Figure 8 for Figure 1 A schematic diagram of the structure at point B.

[0032] Figure 9This is a schematic diagram of the structure of the third fastener in one embodiment.

[0033] Figure 10 for Figure 1 A schematic diagram of the structure at point C.

[0034] Figure 11 for Figure 1 A schematic diagram of the structure at point E in the middle.

[0035] Figure 12 For Figure 1 A schematic diagram of the structure at point D.

[0036] Reference numerals: 100, column; 110, first through hole; 200, column head; 210, top cover; 220, first side wall; 230, bottom wall; 240, second side wall; 250, stiffening rib; 260, second through hole; 271, third side wall; 272, fourth side wall; 274, sixth side wall; 300, main beam assembly; 310, first main beam; 320, second main beam; 400, bolt; 500, crossbeam; 6 00. Fastening assembly; 610. First fastener; 611. Intermediate connecting block; 612. First L-shaped connecting block; 6121. First connecting segment; 6122. Second connecting segment; 620. Second fastener; 630. Third fastener; 631. Second L-shaped connecting block; 6311. Third connecting segment; 6312. Fourth connecting segment; 640. Fourth fastener; 650. Fifth fastener; 660. Sixth fastener. Detailed Implementation

[0037] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0038] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0039] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0040] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0041] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0042] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0043] See Figures 1-12An embodiment of this application provides a photovoltaic module support structure, including a column 100, a column head 200, a main beam assembly 300, and bolts 400. The column head 200 is disposed on the top of the column 100, and a second through hole 260 extending along a first direction OX is provided in the column head 200. A first through hole 110 communicating with the second through hole 260 is provided on the column 100 at the corresponding position. The main beam assembly 300 passes through both the first through hole 110 and the second through hole 260. The column head 200 is used to limit the main beam assembly 300 on both sides along a second direction OY. The bolts 400 pass through the column 100, the column head 200, and the main beam assembly 300 along the second direction OY, and lock the column 100, the column head 200, and the main beam assembly 300.

[0044] In this embodiment, during installation, the main beam assembly 300 is first passed through the second through hole 260 of the column head 200. Then, the main beam assembly 300 and the column head 200 are simultaneously placed in the first through hole 110 at the top of the column 100. Bolts 400 pass through the column 100, column head 200, and main beam assembly 300 along the second direction OY to lock the three together. That is, the support structure of this application does not require welding; the connection between the main beam assembly 300 and the column 100 can be achieved solely by bolts 400. The construction period is short, the construction technology is simple, and the professional requirements are low.

[0045] In actual installation, the column 100 is used as a standard part, and the size of the first through hole 110 on it is fixed along the second direction OY. However, for the main beam assembly 300 with a smaller size along the second direction OY, there is a situation where the main beam assembly 300 and the first through hole 110 are not compatible. In this case, the column head 200 can be used as an intermediate limiting part to limit the main beam assembly 300 on both sides along the second direction OY. The main beam assembly 300 can be stably installed without replacing the column 100.

[0046] In some embodiments, the column head 200 is embedded in the first through hole 110, and the size of the second through hole 260 along the second direction OY is less than or equal to the size of the first through hole 110 along the second direction OY. Specifically, the outer side of the column head 200 mates with the inner wall of the first through hole 110 along the second direction OY, and the outer wall of the main beam assembly 300 mates with the inner wall of the second through hole 260 along the second direction OY, thereby limiting the position of the column head 200 along the second direction OY.

[0047] In some embodiments, combined with Figure 2 and Figure 3The column head 200 includes a top cover 210 and a first side wall 220, a bottom wall 230 and a second side wall 240 connected in sequence. The first side wall 220 and the second side wall 240 are arranged opposite to each other. The top cover 210 covers the side of the first side wall 220 and the second side wall 240 away from the bottom wall 230, and the top cover 210 covers the top of the column 100.

[0048] The column can be a solid structure or a hollow structure. When the column is a solid structure, it has a first through hole 110 extending along the first direction OX. When the column is a hollow structure, it is combined with... Figure 5 The column 100 includes a first side plate, a second side plate, a third side plate and a fourth side plate connected end to end. The first side plate and the third side plate are spaced apart along the second direction OY. The second side plate and the fourth side plate are respectively provided with through holes that are arranged opposite to each other, so that the top forms a first through hole 110 extending along the first direction OX.

[0049] During installation, the main beam assembly 300 is first passed through the second through hole 260 of the column head 200. Then, the main beam assembly 300 and the column head 200 are placed simultaneously in the first through hole 110 at the top of the column 100. The top cover 210 of the column head 200 is then placed on the top of the column 100, preventing the column head from falling into the cavity of the column 100, thus facilitating the assembly of the main beam assembly 300 with the top of the column 100.

[0050] Specifically, screw holes are provided on the first side wall 220 and the second side wall 240 respectively. Correspondingly, screw holes are also provided on the first side plate and the third side plate. The bolt passes through the screw holes on the column 100, the screw holes on the column head 200 and the screw holes on the main beam assembly 300 in sequence along the second direction, thereby fixing the three together.

[0051] In some embodiments, combined with Figure 3 The bottom wall 230 is inclined at the bottom of the first side wall 220 and the second side wall 240, and the inclination direction of the bottom wall 230 can be adjusted.

[0052] The bottom wall 230 is used to support the main beam assembly 300. Since the top of the sunshade is generally sloping, the main beam assembly 300 is set at an angle. Correspondingly, the bottom of the main beam assembly 300 also needs to be set at an angle. In order to make it easier for the column head to adapt to the roof with different slopes, the tilt direction of the bottom wall 230 of this application can be adjusted.

[0053] Specifically, the bottom wall 230 is rotatably connected to the first side wall 220 and the second side wall 240 through a pivot, so that the tilt angle of the bottom wall 230 can meet the requirements of any roof slope.

[0054] Furthermore, the pivot is located at the midpoint of the first sidewall 220 and the second sidewall 240 along the first direction OX, thereby allowing the bottom wall 230 to tilt relative to the first sidewall 220 and the second sidewall 240, so that the tilt angle of the bottom wall 230 can meet the requirements of any ceiling slope. It should be noted that, in order to facilitate the tilting of the bottom wall 230, the bottom of the first through hole 110 on the column 100 should be lower than the bottom of the second through hole.

[0055] In some embodiments, combined with Figure 2 The first sidewall 220 and the second sidewall 240 are respectively provided with stiffening ribs 250 extending along the second direction OY and away from the first through hole 110.

[0056] In this embodiment, stiffening ribs 250 are respectively provided on both sides of the column head 200 along the second direction OY. The stiffening ribs 250 can limit the column head 200 along the second direction OY and prevent the column head 200 from driving the main beam assembly 300 to move along the second direction OY. In addition, the stiffening ribs 250 are also used to prevent the second and fourth side plates of the column 100 from deforming due to the tightening force of the bolts 400 when the column 100 is connected to the column head 200 and the main beam bolts 400, as the stiffening ribs 250 are in contact with the inner wall of the hollow column 100.

[0057] In other embodiments, combined with Figure 4-Figure 6 The column head 200 is set outside the column 100.

[0058] The column head 200 includes a top cover 210 and a third side wall 271, a fourth side wall 272, a fifth side wall, and a sixth side wall 274 connected from end to end. The same end of the third side wall 271, the fourth side wall 272, the fifth side wall, and the sixth side wall 274 is connected to the top cover 210. The top cover 210 is used to cover the top of the column 100. The top cover 210 covers the top of the column 100. The second through hole 260 passes through the third side wall 271 and the fifth side wall in sequence.

[0059] This configuration ensures that the size of the second through hole 260 along the second direction OY is less than or equal to the size of the first through hole 110 along the second direction OY, and also enables the main beam assembly 300 to be limited on both sides along the second direction OY.

[0060] Of course, the dimension of the second through hole 260 along the height direction can be made less than or equal to the dimension of the first through hole 110 along the height direction, thereby limiting the main beam assembly 300 along the height direction, so that the screw holes on the main beam assembly 300 correspond to the screw holes on the column.

[0061] Specifically, screw holes are provided on the fourth side wall 272 and the sixth side wall 274 respectively. The bolts pass through the screw holes on the column head 200, the column 100 and the main beam assembly 300 in sequence along the second direction, thereby fixing the three together.

[0062] Furthermore, the fourth sidewall 272 and the sixth sidewall 274 are provided with stiffening ribs 250, which are used to increase the strength of the fourth sidewall 272 and the sixth sidewall 274. Of course, when the fourth sidewall 272 and the sixth sidewall 274 themselves meet the installation strength requirements, the stiffening ribs 250 can be omitted.

[0063] In some embodiments, combined with Figure 1 The main beam assembly 300 includes a first main beam 310 and a second main beam 320 arranged at an angle, and the angle between the first main beam 310 and the second main beam 320 is variable.

[0064] In this embodiment, the roof generally includes a north slope and a south slope, and the first main beam 310 and the second main beam 320 are set at an angle so that the first main beam 310 and the second main beam 320 can be respectively set on the north slope and the south slope.

[0065] In other embodiments, the support structure further includes a first plate and a second plate rotatably connected to each other. The first main beam 310 is fixedly connected to the first plate by bolts 400, and the second main beam 320 is fixedly connected to the second plate by bolts 400, thereby allowing the angle between the first main beam 310 and the second main beam 320 to be variable to adapt to roofs with different slopes. Both the first plate and the second plate are steel plates.

[0066] In some embodiments, the support structure includes a crossbeam 500 and a fastening assembly 600, the crossbeam 500 being disposed between two adjacent columns 100, and the fastening assembly 600 being used to connect the columns 100 to the crossbeam 500 by bolts.

[0067] In this embodiment, a crossbeam 500 is provided between some of the columns 100 to further fix the columns 100 and improve the stability of the support structure. Bolts pass through the fastening assembly 600 to connect the columns 100 to the crossbeam 500, thus eliminating the need for welding, making construction quick, technically simple, and requiring minimal expertise.

[0068] In some embodiments, combined with Figure 7The fastening assembly 600 includes a first fastener 610, which includes an intermediate connecting block 611 and first L-shaped connecting blocks 612 respectively disposed on both sides of the intermediate connecting block 611. The first L-shaped connecting block 612 includes a first connecting segment 6121 and a second connecting segment 6122 that are perpendicular to each other. The two sides of the intermediate connecting block 611 are respectively connected to the corresponding first L-shaped connecting block 612 through the second connecting segment 6122, and the intermediate connecting block 611 and the two second connecting segments 6122 form a first limiting groove. The column 100 is disposed in the first limiting groove. The intermediate connecting block 611 is connected to the column 100 by bolts, and the two first connecting segments 6121 are respectively connected to two horizontal beams 500 located on both sides of the column 100 and parallel to each other by bolts.

[0069] In this embodiment, crossbeams 500 are connected to two opposite sides of the column 100. A first fastener 610 connects the column 100 to the two parallel crossbeams 500 located on either side of the column 100. The intermediate connecting block 611 and the two first L-shaped connecting blocks 612 on either side can be an integral structure. A reinforcing rib is provided between the first connecting section 6121 and the second connecting section 6122 to enhance the connection strength between them.

[0070] Furthermore, in combination Figure 7 and Figure 8 The fastening assembly 600 includes a second fastener 620, which is a straight connecting block. The second fastener 620 is arranged opposite to the first fastener 610 and is used to clamp the column 100 and the crossbeam 500 in the middle. The straight connecting block is connected to the column 100 and the two parallel crossbeams 500 located on both sides of the column 100 by bolts. That is, the second fastener 620 and the first fastener 610 are used together to enhance the connection strength between the column 100 and the crossbeam 500.

[0071] In some embodiments, combined with Figure 9 The fastening assembly 600 includes a third fastener 630, which comprises two interconnected second L-shaped connecting blocks 631. Each second L-shaped connecting block 631 includes a third connecting segment 6311 and a fourth connecting segment 6312 that are perpendicular to each other. The third connecting segments 6311 of the two second L-shaped connecting blocks 631 are vertically arranged and are respectively connected to two adjacent side walls of the column 100 by bolts. The two fourth connecting segments 6312 are respectively connected to two perpendicular crossbeams 500. The two second L-shaped connecting blocks 631 can be an integral structure.

[0072] In this embodiment, the support structure includes mutually perpendicular crossbeams 500, and the third fastener 630 has an M-shaped structure for connecting the column 100 to the two mutually perpendicular crossbeams 500. Furthermore, a reinforcing rib is provided between the third connecting section 6311 and the fourth connecting section 6312 to enhance the connection strength between the third connecting section 6311 and the fourth connecting section 6312.

[0073] Furthermore, in combination Figure 9 and Figure 10 The fastening assembly 600 also includes a fourth fastener 640, which has an L-shaped structure. The fourth fastener 640 is arranged opposite to the third fastener 630 and is used to clamp the column 100 and parts of the two mutually perpendicular crossbeams 500 in the middle. The fourth fastener 640 is connected to the column 100 and the two mutually perpendicular crossbeams 500 respectively by bolts.

[0074] In this embodiment, the fourth fastener 640 cooperates with the third fastener 630 to connect the column 100 to two crossbeams 500 located on opposite sides of the column 100 and perpendicular to each other.

[0075] In some embodiments, combined with Figure 11 The column 100 has a rectangular structure, and each of its four sides is connected to a crossbeam 500. The fastening assembly 600 also includes a fifth fastener 650 and a sixth fastener 660, both of which are L-shaped. These fasteners cooperate to connect the column 100 to the crossbeams 500 located around the column 100. Specifically, there are two fifth fasteners 650 and two sixth fasteners 660. The fifth fastener 650 is bolted to both of the two perpendicular crossbeams 500 and the column 100 simultaneously, and the sixth fastener 660 is bolted to both of the two perpendicular crossbeams 500 simultaneously.

[0076] In some embodiments, combined with Figure 12 A crossbeam 500 is connected to three of the surfaces of the column 100. A second fastener 620 is connected to the column 100 and two parallel crossbeams 500 located on both sides of the column 100 by bolts. A third fastener 630 is connected to the column 100 and two perpendicular crossbeams 500 located on both sides of the column 100 by bolts. A fifth fastener 650 is connected to the column 100 and two perpendicular crossbeams 500 located on both sides of the column 100 by bolts.

[0077] Of course, in other embodiments, the first fastener 610, the second fastener 620, the third fastener 630, the fourth fastener 640, the fifth fastener 650 and the sixth fastener 660 can be arbitrarily combined to connect the column 100 and the beam 500.

[0078] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0079] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A support structure for a photovoltaic module, characterized in that, The supporting structure of the photovoltaic module includes: Columns; A column head is provided at the top of the column, and a second through hole extending in a first direction is provided in the column head. A first through hole communicating with the second through hole is provided on the column corresponding to the second through hole. The main beam assembly passes through the second through hole, and the column head is used to limit the main beam assembly on both sides along the second direction; and Bolts are passed through the column, column head, and main beam assembly in the second direction and lock the column, column head, and main beam assembly.

2. The supporting structure for a photovoltaic module according to claim 1, characterized in that, The column head is embedded in the first through hole.

3. The supporting structure for the photovoltaic module according to claim 2, characterized in that, The column head includes a top cover and a first side wall, a bottom wall, and a second side wall connected in sequence. The first side wall and the second side wall are arranged opposite to each other. The top cover is placed on the side of the first side wall and the second side wall away from the bottom wall, and the top cover is placed on the top of the column, covering the top of the column.

4. The support structure for the photovoltaic module according to claim 3, characterized in that, The first sidewall and the second sidewall are respectively provided with stiffening ribs extending along the second direction and away from the first through hole.

5. The support structure for the photovoltaic module according to claim 1, characterized in that, The column head is fitted onto the outside of the column.

6. The supporting structure for a photovoltaic module according to claim 5, characterized in that, The column head includes a top cover and a third side wall, a fourth side wall, a fifth side wall, and a sixth side wall connected from end to end. The same end of the third side wall, the fourth side wall, the fifth side wall, and the sixth side wall is connected to the top cover. The top cover is used to cover the top of the column. The top cover covers the top of the column. The second through hole passes through the third side wall and the fifth side wall in sequence.

7. The support structure for a photovoltaic module according to claim 1, characterized in that, The main beam assembly includes a first main beam and a second main beam arranged at an angle, and the angle between the first main beam and the second main beam is variable.

8. The support structure for a photovoltaic module according to claim 1, characterized in that, The support structure includes a crossbeam and a fastening assembly. The crossbeam is disposed between two adjacent columns, and the fastening assembly is used to connect the columns to the crossbeam by bolts.

9. The supporting structure for a photovoltaic module according to claim 8, characterized in that, The fastening assembly includes a first fastener, which includes a central connecting block and first L-shaped connecting blocks respectively disposed on both sides of the central connecting block. The first L-shaped connecting block includes a first connecting segment and a second connecting segment that are perpendicular to each other. The two sides of the central connecting block are respectively connected to the corresponding first L-shaped connecting blocks through the second connecting segments, and the central connecting block and the two second connecting segments form a first limiting groove. The column is disposed in the first limiting groove. The central connecting block is connected to the column by bolts, and the two first connecting segments are respectively connected to two crossbeams located on both sides of the column and parallel to each other by bolts.

10. The support structure for a photovoltaic module according to claim 9, characterized in that, The fastening assembly includes a second fastener, which is a straight connecting block. The second fastener is disposed opposite to the first fastener and is used to clamp the column and the crossbeam in the middle. The straight connecting block is connected to the column and two crossbeams located on both sides of the column by bolts.

11. The support structure for a photovoltaic module according to claim 8, characterized in that, The fastening assembly includes a third fastener, which includes two interconnected second L-shaped connecting blocks. Each second L-shaped connecting block includes a third connecting segment and a fourth connecting segment that are perpendicular to each other. The third connecting segments of the two second L-shaped connecting blocks are vertically arranged. The two third connecting segments are respectively connected to two adjacent side walls of the column by bolts. The two fourth connecting segments are respectively connected to two perpendicular crossbeams.

12. The support structure for a photovoltaic module according to claim 11, characterized in that, The fastening assembly also includes a fourth fastener, which is an L-shaped structure and is positioned opposite to the third fastener. It is used to clamp the column and portions of the two mutually perpendicular crossbeams in the middle. The fourth fastener is connected to the column and the two mutually perpendicular crossbeams respectively by bolts.

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