Stand column structure, supporting assembly and photovoltaic tracking support

Abstract

The utility model relates to the technical field of photovoltaic supporting structures, and discloses a stand column structure, a supporting assembly and a photovoltaic tracking support, and the stand column structure comprises a substrate and two wing plates which are connected to the two sides of the substrate in the length direction of the substrate, and the two wing plates jointly form a quasi-cylindrical object. At least one wing plate is provided with a concave part facing or deviating from the other wing plate, the concave part is used for being fixed to the connecting structure in an abutting mode, and the photovoltaic tracking support bearing assembly is installed through the connecting structure. The installation process is optimized through the sunken part of the stand column structure, so that installation personnel can rapidly and accurately install the bearing assembly in place, and the installation efficiency is greatly improved. And meanwhile, the bending resistance of the stand column structure is effectively improved through the sunken part. When external force such as strong wind is applied, the sunken part and the connecting structure cooperate with each other, the external force can be evenly dispersed, and the bending deformation of the stand column is effectively reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of photovoltaic support structure, and further relates to a column structure, a support assembly and a photovoltaic tracking support. BACKGROUND

[0002] In the existing photovoltaic tracking support technology, the column as a key support component usually adopts H-shaped steel or C-shaped steel. Among them, the cross section of H-shaped steel is in the shape of "H", and the cross section of C-shaped steel is in the shape of "C". Such cross section shape is relatively simple, and when it is necessary to connect functional components such as bearing seat of the photovoltaic tracking support, since the surface of the shaped steel is relatively flat and single, it is impossible to provide a stable and reliable connecting plane for the bearing seat. In the actual installation process, only simple bolt connection can be used, and the connection part is prone to looseness, slippage and other problems, which not only affects the connection reliability between the bearing seat and the column, but also may cause the operation accuracy of the entire tracking support to decrease, thereby affecting the accurate tracking of the photovoltaic assembly to the sunlight and reducing the power generation efficiency.

[0003] On the other hand, the H-shaped steel and C-shaped steel column have insufficient bending resistance when facing external loads. The photovoltaic tracking support will be subjected to various external loads in the outdoor environment, such as wind load, snow load and accidental impact load generated during installation and maintenance. Due to its cross section characteristics, when subjected to a large transverse force, for example, strong wind blows from the side of the support, the column is prone to bending deformation. Once the bending deformation occurs, it will further aggravate the uneven stress at the connection part, causing the installation position of the functional components such as bearing seat to deviate. CONTENT OF THE UTILITY MODEL

[0004] In view of the above technical problems, the purpose of the present application is to provide a column structure, a support assembly and a photovoltaic tracking support, which can improve the connection reliability and bending resistance of the column structure.

[0005] In order to achieve the above purpose, the present application provides a column structure for a photovoltaic tracking support, comprising:

[0006] a base plate and two wing plates connected to both sides of the base plate in the length direction, the base plate and the two wing plates together forming a columnar body, the length of the wing plate in the length direction being greater than the length of the base plate in the width direction;

[0007] Among them, at least one of the wing plates has a recess part facing or facing away from the other wing plate, and the recess part is used for abutting and fixing with a connecting structure to install a functional component of the photovoltaic tracking support through the connecting structure.

[0008] In some embodiments, the recesses on the wings are concave towards the central axis of the column structure, so that the cross section of the column structure forms a partially inwardly-contracted profile; each of the recesses comprises a base and at least two oppositely-bent connecting segments, which are at an angle to the base.

[0009] In some embodiments, each of the recesses comprises three successively-bent connecting segments, which are a first connecting segment, a second connecting segment and a third connecting segment in sequence, the second connecting segment being the base, the first connecting segment being at an angle to the base equal to the angle of the third connecting segment to the base.

[0010] When the column structure is provided with the connecting structure, the surface of the first connecting segment can form at least partial abutment with the connecting structure; and / or, the surface of the second connecting segment can form at least partial abutment with the connecting structure; and / or, the surface of the third connecting segment can form at least partial abutment with the connecting structure.

[0011] In some embodiments, the recesses are arranged along the center line of the corresponding wings.

[0012] And / or, a plurality of adjustment holes are arranged on each of the wings, the adjustment holes being arranged along the length direction of the wings, for adjusting the connection position of the connecting structure relative to the column structure.

[0013] Another aspect of the present application also provides a support assembly, comprising: the above-mentioned column structure, and at least one connecting seat, which is fixedly connected to the recess of the column structure corresponding to the wings, for connecting the column structure and the functional components of the photovoltaic tracking support.

[0014] In some embodiments, each of the connecting seats comprises a first connecting portion and a second connecting portion, which are transitionally connected, so that the overall profile of the connecting seat is L-shaped; wherein the first connecting portion is used for connecting the functional components, and the second connecting portion abuts against the corresponding recess, to form connection with the column structure.

[0015] In some embodiments, the second connecting portion comprises at least two cooperating segments, which form at least partial abutment with the recess.

[0016] In some embodiments, both sides of the first connecting portion form limiting stop edges, so as to limit the displacement of the functional components through the two limiting stop edges.

[0017] Two of the matching sections are symmetrically distributed on two side edges of the second connecting part along a center line, and the two matching sections are obliquely arranged and abut against the recessed part.

[0018] Another aspect of the present application also provides a photovoltaic tracking support for supporting a photovoltaic module, comprising:

[0019] A driving mechanism;

[0020] The column structure or the support assembly described above;

[0021] The functional component comprises a bearing seat and a transmission shaft; the bearing seat has an installation space extending axially and is fixed to the top of the column structure or the connecting seat of the support assembly;

[0022] The transmission shaft is installed in the installation space and connected with the driving mechanism to rotate synchronously under the driving of the driving mechanism.

[0023] In some embodiments, the bearing seat comprises a bottom plate and a ring connected with the bottom plate, and the length of the bottom plate in the extension direction of the transmission shaft is greater than the length of the bottom plate in the length direction.

[0024] Compared with the prior art, the column structure, the support assembly and the photovoltaic tracking support provided by the present application have at least one of the following beneficial effects:

[0025] 1. By arranging the recessed part on the wing plate, compared with the simple planar connection of the traditional column, the recessed part can better fit the shape of the connecting structure, increase the contact area, significantly improve the connection reliability between the functional component and the column, and further ensure the accuracy of the operation of the photovoltaic tracking support system; at the same time, the cross-section of the column structure is more reasonable, and under the action of external load, the bending resistance and strength of the column structure are greatly improved through the stable connection of the recessed part and the connecting structure.

[0026] 2. The recessed part comprises a plurality of continuous bending connecting sections, which optimizes the mechanical properties of the column structure and increases the bearing capacity; the connecting sections can abut against the connecting structure (i.e. the connecting seat) to realize hard limiting, greatly reducing the displacement and shaking of the connecting structure and strengthening the stability of the connection; in addition, the adjacent connecting sections are arranged obliquely, which optimizes the mechanical properties of the structure in a limited space compared with the traditional vertical arrangement; when the column is subjected to external load such as wind pressure, snow pressure, etc., the force can be more evenly and efficiently dispersed through the oblique connecting sections. BRIEF DESCRIPTION OF DRAWINGS

[0027] The above features, technical solutions, advantages and implementation manners of the present application will be further described in a clear and easy-to-understand manner in combination with the preferred embodiments and the accompanying drawings.

[0028] Figure 1 is a schematic diagram of the overall structure of the stand structure in an embodiment of the present application;

[0029] Figure 2 is a top view of the stand structure in an embodiment of the present application;

[0030] Figure 3 is a schematic diagram of the structure of the support assembly in an embodiment of the present application;

[0031] Figure 4 is a schematic diagram of the structure of the connecting seat in an embodiment of the present application;

[0032] Figure 5 is a schematic diagram of part of the structure of the photovoltaic tracking support in an embodiment of the present application.

[0033] Explanation of reference numerals: substrate 1; wing plate 2; recessed portion 20; first connecting section 201; second connecting section 202; third connecting section 203; arc edge structure 21; adjusting hole 22; connecting seat 3; first connecting portion 31; limiting stop edge 311; second connecting portion 32; fitting section 321; bearing seat 4; bottom plate 41; ring-shaped member 42. DETAILED DESCRIPTION

[0034] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the specific embodiments of the present application will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without any creative effort, and other embodiments can also be obtained.

[0035] To make the drawings simple, only the parts related to the application are shown in the drawings, and they do not represent the actual structure of the product. In addition, to make the drawings simple and easy to understand, in some drawings, only one of the parts with the same structure or function is shown schematically, or only one of them is labeled. In this document, "one" not only means "only one", but also means "more than one" situation.

[0036] It should be further understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0037] In this document, unless otherwise indicated and limited, the terms "mount", "connect", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0038] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0039] In addition, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0040] Under the background of accelerating the transformation of global energy structure to clean energy, photovoltaic power generation has become an important development direction in the energy field due to its green and sustainable advantages. As a key component of photovoltaic power generation system, the performance of photovoltaic tracking support plays a decisive role in the power generation efficiency and stability of the system.

[0041] Currently, in the field of photovoltaic tracking support, the column structure generally selects H-shaped steel or C-shaped steel. However, with the continuous development of photovoltaic power generation technology and the increasing complexity of application scenarios, when connecting key components such as bearing seat, driving device, etc., due to the smooth and single surface of the steel, it is difficult to provide a stable and reliable connection plane. In actual engineering installation, only ordinary bolt connection method can be used, which may cause loosening and displacement of the connection part due to vibration, external force and other factors during long-term use, thereby affecting the operation accuracy and stability of the entire photovoltaic tracking support, reducing the tracking efficiency of photovoltaic modules to sunlight, and ultimately leading to a decrease in power generation efficiency.

[0042] Photovoltaic tracking support is long-term in outdoor harsh environment, need to bear wind load, snow load, seismic load and equipment installation and maintenance process accidental impact load, etc. Due to the cross section characteristics of H-shaped steel and C-shaped steel column, when bearing larger lateral force, such as strong wind lateral force, the column will be bent and deformed. Once the column is bent and deformed, not only will the stress condition of the connecting part be deteriorated, but also the installation position of the functional component will be offset, which may cause a chain reaction, resulting in damage to the stability of the whole support structure, and even cause the support to collapse, which will bring great safety hidden danger and economic loss to the photovoltaic power generation system.

[0043] In one embodiment, referring to the drawings attached Figure 1 The column structure provided by the application can optimize the cross section design of the column, improve the bending resistance and strength of the column structure.

[0044] As shown in the drawings, the column structure provided by the application includes a base plate 1 and two wing plates 2 connected to both sides of the base plate 1 along the length direction, which together form a column-like body, wherein at least one wing plate 2 is provided with a recess 20, and the recess 20 on the wing plate 2 can be set to face or face away from the other wing plate 2 according to actual needs.

[0045] In this embodiment, the recess 20 on the wing plate 2 can cooperate with the use of the connecting structure to fix and connect the functional components of the photovoltaic tracking support. It should be noted that the functional components of the photovoltaic tracking support include but are not limited to support components, drive components, transmission components, etc. For example, the drive component, such as the drive motor, drives the transmission shaft through the coupling and other components when the motor is running, so that the photovoltaic module can be adjusted in angle around a certain shaft. In this embodiment, the specific types of functional components are not limited. Most of the functional components can be stably connected through the recess 20 on the column structure and the corresponding connecting structure to meet the diversified functional needs of the photovoltaic tracking support in different scenarios.

[0046] It can be understood that the traditional column lacks effective positioning and fastening methods when connecting functional components due to the single connection surface, which leads to the loosening of the connecting part under the influence of vibration and external force in long-term use. In this embodiment, the recess 20 of the column structure is closely fixed with the connecting structure, and the friction and bonding force are greatly increased through multi-surface contact.

[0047] In practical applications, the mounting form of the column structure can be optimized according to its environment and scene. Generally, the wind load borne by the photovoltaic tracking support in the north-south direction is relatively small, and obvious deformation is not easy to occur in this direction due to structural characteristics and component layout and other factors. However, in the east-west direction, the situation is completely different. Due to the layout form of the photovoltaic component, the stress area in the east-west direction is significantly increased. When strong wind attacks, the wind force in this direction is obviously enhanced, so that the support is more likely to deform in the east-west direction.

[0048] Based on the above situation, the recess 20 is arranged relative to the north-south direction, and at the same time, as shown in Figure 2 , the length of the wing plate 2 in the length direction (east-west direction) is greater than the length of the base plate 1 in the width direction (north-south direction), and when the connecting structure is embedded in the recess 20, the contact area of the two is large and closely fitted, which can jointly bear external force and avoid deformation caused by excessive local stress, greatly enhancing the bending resistance of the column structure in the east-west direction. Even if there is an east-west force acting on the column structure, the influence of the force (such as wind) on the column structure can be limited, thereby reducing the deformation of the column structure caused by external force.

[0049] Optionally, the recess 20 is arranged along the center line of the corresponding wing plate 2, so that the wing plate 2 is more balanced in structure and can better coordinate stress in all directions when subjected to external load.

[0050] Further, based on the above content, as shown in Figure 1 and Figure 2 , the two wing plates 2 are parallel to each other and extend in the same direction from the base plate 1, so that the base plate 1 and the two wing plates 2 form a U-shaped profile with an open side.

[0051] It should be noted that in other embodiments, the wing plate 2 can extend to both sides at the same time, so that the base plate 1 and the wing plate 2 form an H-shaped profile, providing more space for the arrangement of the recess 20 and providing more options for the installation of functional components.

[0052] In this embodiment, the open side of the U-shaped profile provides a convenient space for installation and operation. For various functional components, whether they are support components or drive components, installation personnel can more easily access the connection part from the open side to install, debug and maintain the connecting structure. For example, when installing the connecting structure of the drive motor, the open side provides sufficient operation space for the installer to perform bolt fastening and other operations, improving installation efficiency. At the same time, this structure also facilitates future inspection and maintenance of the connection part, reducing maintenance cost and difficulty.

[0053] On the other hand, the U-shaped profile also has certain advantages under wind loads. Due to its structural characteristics, it can reduce the impact of wind on the columns by guiding airflow reasonably and utilizing the mechanical properties of the structure itself when facing wind forces from different directions. For example, when wind blows towards the columns, the U-shaped structure can create a relatively stable airflow channel on the open side, reducing the impact pressure of the airflow on the columns and lowering the risk of structural vibration and deformation caused by wind loads.

[0054] In one embodiment, each wing plate 2 has an arc-shaped edge structure 21 on one edge near the opening. When the photovoltaic tracking bracket is subjected to external forces, such as lateral forces from strong winds, the arc-shaped edge structure 21 can effectively disperse the stress. Compared to traditional right-angled edges, the arc-shaped edge can guide wind force and avoid stress concentration at the edge, thereby reducing the risk of deformation or damage to the wing plate 2 due to excessive local stress.

[0055] Similarly, in another embodiment, each wing plate 2 is provided with an arc edge structure 21 on its side edge near the substrate 1. When the column structure is subjected to vertical pressure from the photovoltaic module and other external loads, the arc edge structure 21 near the substrate 1 can transmit the force more evenly from the wing plate 2 to the substrate 1, enhancing the cooperative force-bearing capacity between the substrate 1 and the wing plate 2.

[0056] Of course, in practical applications, the two types of arc-edge structures 21 can also be combined, that is, each wing plate 2 has an arc-edge structure 21 on both the side near the opening and the side near the base plate 1. This design combines the advantages of both and further improves the mechanical performance of the column structure.

[0057] Based on the above embodiments, as shown in the accompanying drawings of this application... Figure 2 As shown, each wing plate 2 is provided with a recess 20, and the recesses 20 provided on both wing plates 2 are simultaneously oriented towards the central axis of the column structure (e.g., Figure 2 The column is recessed in the direction indicated by the center mark, causing the cross-section of the column structure to form a partially inward-contracting profile.

[0058] By employing the design of this embodiment, while ensuring that structural strength and performance are not compromised, the partially inward-shrinking profile design improves space utilization to a certain extent compared to traditional column structures. In photovoltaic power station projects with stringent spatial layout requirements, it can better suit site conditions, increasing the number of photovoltaic modules per unit area through a reasonable and compact layout, thereby enhancing the overall economic benefits of the photovoltaic power station.

[0059] In one embodiment, each recess 20 includes a base and at least two relatively bent connecting segments, the connecting segments forming an angle with the base.

[0060] Specifically, when the connecting structure is docked with the recess 20, the connecting segments form multi-surface contact with the connecting structure, greatly increasing the contact area and friction, and when external forces are borne, such as when the photovoltaic tracking support encounters strong winds, earthquakes and other harsh working conditions, the connecting segments can work together to effectively disperse stress. Under the action of strong winds, the lateral force generated by the wind no longer acts on a point or a region, but is evenly dispersed to the entire wing plate 2 through the connecting segments.

[0061] It can be understood that during the manufacturing process, the operator can control the bending angle, position and arc through the numerical control bending equipment, ensuring the consistency and high precision of each recess 20; at the same time, the specific parameters of each connecting segment can also be set according to actual needs.

[0062] On the basis of the basic scheme of the embodiment, the number of connecting segments can be further increased from at least two to three, four or even more.

[0063] Further, as shown in Figure 2 each recess 20 includes three continuously bent connecting segments, namely a first connecting segment 201, a second connecting segment 202 and a third connecting segment 203, at this time, the second connecting segment 202 is the base mentioned above, and this base is linear, and of course an arc-shaped base can also be provided, that is, the middle is arc-shaped, and at least two oppositely bent connecting segments are formed on both sides of the arc-shaped base, and this simple detail modification will not be described here.

[0064] When the connecting structure is embedded in the recess 20, it can form stable contact points with the three connecting segments respectively, and the more contact points and the wider contact surface greatly enhance the stability of the connection; on the other hand, the three connecting segments provide three different angle abutting surfaces for the connecting structure, which can form limiting in three directions, thereby preventing the connecting structure from being offset or misaligned under the action of external force.

[0065] It should be noted that in the present application, the wing plate 2 and the base plate 1 have two setting forms of integral molding and separate molding. The integral molding adopts the same plate material, and the base plate 1 and the wing plate 2 with the recess 20 are completed at one time by means of stamping or rolling forming process. Since the base plate 1 and the wing plate 2 are derived from the same plate material, there is no potential weak point at the connecting position, which significantly improves the overall strength of the structure; while the separate molding needs to process the wing plate 2 plate material separately, and the specific area of the wing plate 2 is bent by using the processing equipment to form the recess 20. After the wing plate 2 is processed, the wing plate 2 is connected with the pre-processed base plate 1 by welding, riveting or bolt connection and the like.

[0066] In one embodiment, based on the above embodiment, the included angle between the first connecting section 201 and the second connecting section 202 is equal to the included angle between the second connecting section 202 and the third connecting section 203.

[0067] And the included angles in the above are all greater than 90 degrees, in other words, are obtuse angles, which can expand the range of force dispersion. When strong wind blows from the side to the photovoltaic tracking support, the obtuse angle can guide the wind force to conduct along a larger area, thereby reducing local stress concentration and improving the overall bending resistance of the column. The included angle is preferably 120-150 degrees.

[0068] In addition, optionally, the adjacent two connecting sections are connected by arc-shaped transition connection, which makes the structure of the recess 20 more smooth and can effectively disperse stress when under stress, avoiding stress concentration at the bending point; in addition, due to the inclined arrangement of the connecting sections, the effective cross section is increased when the structure is calculated in a limited space, and when the column is bent by external force, the larger effective cross section can provide stronger resistance to bending moment. Taking the bearing of lateral wind force as an example, the traditional column may be obviously deformed when the wind force reaches a certain intensity, while the column structure designed by the present scheme can better disperse the bending moment generated by the wind force to the entire structure due to the increase of the effective cross section, and the bending resistance is significantly improved.

[0069] Further, the first connecting section 201 and the third connecting section 203 have the same length and are symmetrically distributed at both ends of the second connecting section 202, and the extension direction of the second connecting section 202 is perpendicular to the extension direction of the base plate 1, so that the recess 20 presents a highly symmetrical structure.

[0070] The symmetrical structure formed further enhances the bending resistance of the column. When bearing the bending moment generated by the lateral wind force, due to the symmetrical characteristics of the recess 20, the connecting sections on both sides can work together to uniformly disperse the bending moment to the entire column structure. At the same time, the above-mentioned arrangement, i.e. the arc-shaped transition connection between adjacent connecting sections, in combination with the symmetrical structure of the recess 20, enables the stress to be accurately and uniformly distributed during transmission, and when external force acts on the column structure, the stress will not be concentrated at the connecting position of the connecting sections, but will be uniformly dispersed along the arc-shaped transition area and the symmetrical connecting section structure.

[0071] In one embodiment, as shown in Figure 1 A plurality of adjusting holes 22 are arranged on each wing plate 2, and the adjusting holes 22 are arranged along the length direction of the wing plate 2, realizing the adjustability of the position of the connecting structure on the wing plate 2. The shape of the adjusting hole 22 is usually circular or elliptical to adapt to the connection requirements of different types of connecting structures, such as the installation of connecting members such as bolts and rivets.

[0072] It can be understood that when different sizes or types of connecting structures need to be installed, the precise adjustment of the connection position can be easily realized by selecting the adjusting hole 22 at different positions. In addition, in actual operation, the photovoltaic tracking support will be subjected to various external forces, such as wind force, self-weight of photovoltaic components, etc. By reasonably adjusting the connection position of the connecting structure on the adjusting hole 22, the stress distribution of the column can be optimized according to the actual stress condition. When encountering strong wind, the connecting structure can be adjusted to a position that can better resist the wind force, so that the stress of the column is more uniform, and the local stress concentration is reduced.

[0073] On the other hand, during installation, the adjusting hole 22 allows the installer to flexibly adjust the position of the connecting structure according to the actual situation on site, reducing the rework caused by installation errors. At the same time, during later maintenance, if the connecting structure needs to be replaced or adjusted, it can also be easily realized through the adjusting hole 22.

[0074] In one embodiment, referring to the drawings attached Figure 3 According to another aspect of the present application, the present application further provides a support assembly comprising the above-mentioned column structure and at least one connecting seat 3, which is similar to the connecting structure described above. In the drawings of the present application, the number of connecting seats 3 is two, but it should be noted that in this embodiment, the number of connecting seats 3 is not specifically limited, and the design of two connecting seats 3 in the drawings is only for reference. The number, type, etc. of connecting seats 3 should be adjusted according to the actual situation.

[0075] Referring to the drawings, two connecting seats 3 are respectively fixedly connected to the recesses 20 on two different wings 2 in the column structure, so as to connect the column structure and the functional components of the photovoltaic tracking support.

[0076] It should be noted that in some implementation cases, the connection between the connecting seat 3 and the recess 20 has a certain adjustability (such as the adjustment mode mentioned in the adjusting hole 22 scheme of the wing 2 mentioned above, which can be applied here), which can adapt to the installation requirements of different functional components. For functional components of different sizes and shapes, by adjusting the connection position of the connecting seat 3 on the recess 20, precise docking can be realized, greatly improving the universality of the support assembly.

[0077] During installation, the connecting seat 3 and the recess 20 are matched and docked with each other, so that the installer can quickly and accurately complete the connection between the support assembly and the functional component. At the same time, during later maintenance, if the functional component needs to be replaced or adjusted, only the connection between the connecting seat 3 and the functional component needs to be removed, so that the operation can be easily carried out.

[0078] Specifically, as Figure 4As shown, each connecting seat 3 includes a first connecting part 31 and a second connecting part 32, which are transitionally connected to each other, so that the overall profile of the connecting seat 3 presents an L shape, and becomes a stable force structure as a whole. The first connecting part 31 can establish a stable connection relationship with various functional components of the photovoltaic tracking support, such as support components, driving components, etc. The shape, size and connection mode of the first connecting part 31 can be flexibly adjusted according to the specific needs of the functional components. For example, the first connecting part 31 can be provided with a matching slot or bolt hole.

[0079] The second connecting part 32 can accurately abut against the corresponding recessed part 20. It is worth noting that the shape of the second connecting part 32 is highly adapted to the profile of the recessed part 20, and when the two abut against each other, a stable connection relationship can be formed at multiple contact points, thereby ensuring effective force transmission. During the connection process, the second connecting part 32 and the recessed part 20 are tightly combined through a pre-set installation process, and common methods include high-strength bolt fastening or welding, etc., so as to ensure the reliability of the connection.

[0080] In one embodiment, both sides of the first connecting part 31 in each connecting seat 3 form a limiting stop edge 311. When the functional component is installed on the first connecting part 31, the bottom of the functional component is limited between the two limiting stop edges 311, and then the limiting stop edges 311 effectively limit the displacement of the functional component in the horizontal direction.

[0081] During the operation of the photovoltaic tracking support, whether affected by external factors such as wind and vibration, or by the force generated by its own operation, the transverse displacement of the functional component can be effectively inhibited by the limiting stop edges 311. Moreover, when installing the functional component, the limiting stop edges 311 play a guiding and positioning role for the installer. The installer can quickly and accurately place the functional component at the correct position of the first connecting part 31 according to the limiting stop edges 311, thereby reducing the adjustment time and error during the installation process. For example, when installing the support component, the support component only needs to be placed on the first connecting part 31 along the guidance of the limiting stop edges 311, and then fixed, which can greatly improve the installation efficiency.

[0082] In addition, in one embodiment, the second connecting part 32 includes at least two matching segments 321, which form at least partial abutment with the recessed part 20.

[0083] It should be noted that the drawings in the specification can be referred to for a better understanding of the present application. Figure 3 and Figure 4The mating section 321 and the recessed part 20 can abut against each other to form a hard limit, thereby bearing part of the shear force. It can be understood that when the photovoltaic tracking bracket is subjected to various external forces, such as wind force, earthquake force or force generated by the movement of the photovoltaic module itself, the abutment between the mating section 321 and the recessed part 20 can effectively prevent the connecting seat 3 from shifting in the horizontal direction.

[0084] On the other hand, the setting of the mating section 321 increases the contact area between the second connecting part 32 and the recessed part 20, thereby improving the load-bearing capacity of the overall structure. When bearing the weight of the photovoltaic module and other additional loads, the mating section 321 can share the pressure borne by the second connecting part 32, making the connection between the connecting seat 3 and the column structure more stable, and at the same time preventing the connecting seat 3 from deforming and tilting.

[0085] Specifically, as shown in the figure, the second connecting part 32 has two inclined mating sections 321. The two mating sections 321 are located on both sides of the second connecting part 32. The mating sections 321 abut against the connecting section of the recessed part 20 to form a hard limit.

[0086] The mating section 321 extends from both sides of the second connecting portion 32 in a predetermined direction. This predetermined direction is usually determined based on the position and structural characteristics of the recessed portion 20 to ensure that the mating section 321 can achieve optimal fit with the recessed portion 20. The mating section 321 and the second connecting portion 32 adopt an arc-shaped transition. This transition method makes the force transmission smoother, buffers and disperses stress, and avoids stress concentration at the connection point.

[0087] In one embodiment, according to another aspect of this application, this application further provides a photovoltaic tracking bracket, including a drive mechanism, a column structure or support component as described above.

[0088] like Figure 5 As shown, the functional components mentioned above include a bearing housing 4 and a drive shaft (not shown in the figure). The bearing housing 4 has an axially extending installation space and is fixedly connected to the top of the column structure or the connecting seat 3 of the support assembly. The drive shaft is installed in the installation space, and the drive mechanism is connected to the drive shaft, so that the drive shaft rotates under the drive of the drive mechanism.

[0089] Understandably, the aforementioned column structure or support components provide a solid support foundation for the entire photovoltaic tracking bracket. For example, the support components support the bearing seat 4, which is fixed to the connecting seat 3. After the recessed part 20 is connected to the connecting seat 3, the hard limit formed by the mating section 321 of the connecting seat 3 and the recessed part 20 can disperse the external force to a larger area. When strong winds occur, the bending moment generated by the wind is transmitted to the recessed part 20 through the connecting seat 3. The synergistic effect of the recessed part 20 and the mating section 321 enables the column structure to better resist this bending moment, avoiding bending deformation caused by excessive local stress.

[0090] In one embodiment, based on the above embodiments, the bearing housing 4 includes a base plate 41 and an annular member 42 connected to the base plate. The annular member 42 is used to mount the drive shaft. The length of the base plate 41 in the extension direction of the drive shaft is greater than the length of the base plate 41 in the longitudinal direction (see attached figure). Figure 2 and Figure 5 The length on the label.

[0091] As can be understood from the above embodiments and related content, the connecting seat 3 is arranged along the north-south direction on the photovoltaic tracking bracket, and the base plate 41 is installed on the connecting seat 3 along the extension direction of the drive shaft. Generally, the extension direction of the drive shaft is also north-south, forming a north-south layout. This north-south layout can maximize the structure's resistance to north-south bending moments, effectively suppress north-south bending deformation caused by factors such as wind load, snow load, or self-weight, and improve bending resistance.

[0092] It should be noted that the above embodiments can be freely combined as needed. The above are merely preferred embodiments of this application. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principles of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A column structure, characterized by, A photovoltaic tracking support, comprising: a base plate and two wing plates connected to both sides of the base plate along a length direction, the base plate and the two wing plates together forming a columnar body, the length of the wing plates in the length direction being greater than the length of the base plate in a width direction; wherein at least one of the wing plates has a recessed portion facing or away from the other wing plate, the recessed portion being used for abutting and fixing with a connecting structure to mount a functional component of the photovoltaic tracking support through the connecting structure.

2. The columnar structure according to claim 1, wherein: the recessed portion on the wing plate is recessed towards a central axis of the columnar structure, so that a cross section of the columnar structure forms a profile that is inwardly contracted; the recessed portion comprises a base portion and at least two oppositely bent connecting segments, the connecting segments being at an angle with the base portion.

3. The columnar structure according to claim 2, wherein: the recessed portion comprises three successively bent connecting segments, the three connecting segments being a first connecting segment, a second connecting segment and a third connecting segment in sequence, the second connecting segment being the base portion, the angle between the first connecting segment and the base portion being equal to the angle between the third connecting segment and the base portion; when the columnar structure is mounted with the connecting structure, the surface of the first connecting segment can form at least partial abutment with the connecting structure; and / or, the surface of the second connecting segment can form at least partial abutment with the connecting structure; and / or, the surface of the third connecting segment can form at least partial abutment with the connecting structure.

4. The columnar structure according to any one of claims 1-3, wherein: the recessed portion is arranged along a center line of the corresponding wing plate; and / or, a plurality of adjusting holes are arranged on each of the wing plates, the adjusting holes being arranged along the length direction of the wing plates and used for adjusting the connection position of the connecting structure relative to the columnar structure. comprising:

5. A support assembly characterized by, the columnar structure according to any one of claims 1-4; at least one connecting seat fixedly connected to the recessed portion of the corresponding wing plate in the columnar structure and used for connecting the columnar structure and the functional component of the photovoltaic tracking support.

6. The support assembly according to claim 5, wherein: the connecting seat comprises a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion being transitionally connected so that the overall profile of the connecting seat is L-shaped; wherein the first connecting portion is used for connecting the functional component, and the second connecting portion abuts the corresponding recessed portion to form connection with the columnar structure. the second connecting portion comprises at least two fitting segments, the fitting segments forming at least partial abutment with the recessed portion.

7. The support assembly of claim 6, wherein, 8. The support assembly according to claim 7, wherein: the two side edges of the first connecting portion each form a limiting stop edge, so that the displacement of the functional component is limited by the two limiting stop edges. ​ Two of the matching sections are arranged on the second connecting part, and are symmetrically distributed on two side edges of the second connecting part along a center line.

9. A photovoltaic tracking support, characterized in that, A support for a photovoltaic module, comprising: a driving mechanism; a column structure according to any one of claims 1-4, or a support assembly according to any one of claims 5-8; a functional component, which comprises a bearing seat and a transmission shaft, the bearing seat having an installation space extending axially therethrough, and being fixed to a top of the column structure or the connecting seat of the support assembly; the transmission shaft being installed in the installation space, and being connected to the driving mechanism to rotate synchronously under the driving of the driving mechanism.

10. The photovoltaic tracking support of claim 9, wherein, the bearing seat comprises a bottom plate and a ring connected to the bottom plate, a length of the bottom plate in an extension direction of the transmission shaft being greater than a length of the bottom plate in a length direction.

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