A photovoltaic tracking support

Abstract

This invention relates to the field of tracking bracket technology, and in particular to a photovoltaic tracking bracket, comprising a torque tube, wherein several torque tubes are combined together in the length direction to form a continuous structure; a support base, wherein the support base is provided with a first locking region and a second locking region; a lock head, rotatably disposed below the torque tubes, wherein the torque tubes have a passing state and a first locking state when passing the support base, the lock head cooperates with the first locking region or the second locking region on the support base to form the first locking state; in the passing state, the lock head passes the support base in an inclined state; in the first locking state, the lock head abuts against the first locking region or the second locking region to prevent the torque tubes from continuing to rotate; the torque tubes switch between the passing state and the first locking state by rotating in the opposite direction; a rotating mechanism is rotatably disposed below the torque tubes, and the torque tubes are rotatably connected to the support base through the rotating mechanism so that the torque tubes are positioned above the support base.

Description

Technical Field

[0001] This invention relates to the field of tracking bracket technology, and more particularly to a photovoltaic tracking bracket. Background Technology

[0002] Photovoltaic tracking brackets, as structural devices specifically designed for photovoltaic power generation systems, primarily function to support and fix photovoltaic modules (such as solar panels). They also automatically or manually adjust according to the sun's trajectory to maximize the angle and time at which the photovoltaic modules receive solar radiation, thereby improving power generation efficiency. This type of bracket system not only requires sufficient strength and stability to withstand external forces under various climatic conditions, but also needs good corrosion resistance and durability to ensure long-term stable operation.

[0003] For tracking brackets, one of the major factors causing structural damage is high wind load. Existing tracking brackets have at least one of the following problems when dealing with high winds: 1. Using only a single worm gear reducer located in the middle of a single row as a self-locking point, the torque tube far from the middle position is prone to deformation and damage under strong wind conditions; 2. Although some manufacturers have set up corresponding wind protection strategies, choosing to stop at a small angle (i.e., when the photovoltaic modules are near the flat position) to reduce wind load or at a large angle (i.e., at the extreme angle of the tracking bracket rotation) to provide more locking point protection, the corresponding time to rotate to a small or large angle is relatively long because it is impossible to accurately judge the time when the strong wind will arrive. During the process of rotating to a small or large angle, the bracket structure may be damaged. 3. Existing technologies employ multi-point electrical drives to rotate the tracking bracket. These drives use the unidirectional self-locking function of multiple synchronously rotating worm gear reducers to lock at any angle. However, due to the use of multiple drives and the need for communication between them to achieve synchronous rotation, the cost is high and it is not suitable for large-scale promotion and use. Summary of the Invention

[0004] To address the aforementioned problems in the existing technology, a photovoltaic tracking bracket is provided.

[0005] The specific technical solution is as follows: Design a photovoltaic tracking bracket, including: Torque tubes, a number of said torque tubes are combined together in the length direction to form a continuous structure; A support base, wherein a first locking area and a second locking area are provided on the support base; A lock head is rotatably positioned below the torque tube. The torque tube has a passing state and a first locking state when passing through the support seat. The lock head cooperates with the first locking area or the second locking area on the support seat to form the first locking state. In the passing state, the lock head passes through the support seat at an angle. In the first locking state, the lock head is in contact with the first locking area or the second locking area to prevent the torque tube from continuing to rotate. The torque tube switches between the passage state and the first locking state by rotating in the opposite direction; A rotating mechanism is rotatably provided below the torque tube, and the torque tube is rotatably connected to the support base through the rotating mechanism so that the torque tube is positioned above the support base.

[0006] As an optional embodiment of the present invention, a drive mechanism is also included, wherein the drive mechanism is fixedly connected to the torque tube via a crank, the crank having a first connecting end and a second connecting end in the vertical direction, wherein the first connecting end is used to connect to the drive mechanism and the second connecting end is used to connect to the torque tube, thereby suspending the torque tube on the drive mechanism.

[0007] As an optional embodiment of the present invention, the end of the support base is provided with a protruding plate, and an arc-shaped plate is provided between the protruding plates. The first locking area and the second locking area are set as corner areas formed between the arc-shaped plate and the protruding plate.

[0008] As an optional embodiment of the present invention, the rotating mechanism includes a roller and a rotating shaft, wherein the roller is rotatably mounted on the rotating shaft; or, the rotating mechanism includes a rotating shaft and a limiting block disposed at the end of the rotating shaft.

[0009] As an optional embodiment of the present invention, the torque tube is rotatably connected to the rotating mechanism through the limiting disk, the limiting disk is provided with an arc-shaped through groove, the support base is provided with a first mounting hole, and the rotating mechanism passes through the arc-shaped through groove and is rotatably mounted in the first mounting hole; The torque tube has a passing state and a second locking state when passing through the arc-shaped through groove. In the second locking state, the rotating mechanism contacts the end of the arc-shaped through groove to prevent the torque tube from continuing to rotate.

[0010] As an optional embodiment of the present invention, the limiting disk has a receiving area for accommodating the torque tube, the receiving area including a connecting plate for fixing the torque tube, and the limiting disk is fixedly connected to the torque tube through the connecting plate.

[0011] As an optional embodiment of the present invention, a lock head mounting plate is fixedly provided at the bottom of the receiving area. The lock head mounting plate is arranged parallel to the length direction of the torque tube, and the lock head is rotatably mounted on the bottom of the lock head mounting plate.

[0012] As an optional embodiment of the present invention, a limiting plate is provided on one side of the support base, and an arc-shaped through groove is provided on the limiting plate, and the limiting plate and the support base are integrally formed.

[0013] As an optional embodiment of the present invention, a lock head mounting plate is fixed at the bottom of the torque tube, the bottom of the lock head mounting plate extends downward to form a hanging plate, a second mounting hole is provided on the hanging plate, and the rotating mechanism passes through the arc-shaped through groove and is rotatably mounted in the second mounting hole; The torque tube has a passing state and a second locking state when passing through the arc-shaped through groove. In the second locking state, the rotating mechanism contacts the end of the arc-shaped through groove to prevent the torque tube from continuing to rotate.

[0014] As an optional embodiment of the present invention, it further includes purlins, a first column, an adapter, and a second column. The purlins are fixed to the torque tube and used to support the installation of photovoltaic modules. The support base is fixedly installed on the top of the first column through the adapter, and the drive mechanism is fixedly installed on the top of the second column.

[0015] The above technical solution has at least one of the following advantages or beneficial effects: The locking structure, formed by the cooperation of locking components and support bases, allows the tracking bracket to remain open during normal operation. When strong winds occur, it rotates in the opposite direction to enter the locking state, locking the torque tube in a safe position. This provides wind protection for the entire tracking bracket and improves its wind resistance. In particular, locking the tracking bracket within a small angle range offers a greater advantage when parking at night, reducing the rotation angle required for the torque tube to reach the first or second locking area, thus quickly achieving locking protection.

[0016] When the torque tube rotates to the maximum tilt angle, the end of the arc-shaped through groove on the limit plate abuts against the rotating mechanism. The tracking bracket has the function of limiting and locking against wind at large angles. When strong winds strike, the tracking bracket can flexibly choose to rotate to a large or small angle to limit and lock according to its current angle. The response time of the tracking bracket rotating from any position to the protection angle is reduced by at least half, effectively reducing the response time of the tracking bracket rotating to the protection angle, thereby improving the safety and wind resistance of the overall tracking bracket.

[0017] By distributing the wind load borne by the overall tracking bracket to multiple columns, the wind load is effectively dispersed, making full use of the structural strength of each column and improving the safety and wind resistance of the overall tracking bracket. Attached Figure Description

[0018] Embodiments of the invention will be described more fully with reference to the accompanying drawings. However, the drawings are for illustration and explanation only and do not constitute a limitation on the scope of the invention.

[0019] Figure 1 This is a three-dimensional structural diagram of a photovoltaic tracking bracket proposed in this invention; Figure 2 This is an exploded structural diagram of a photovoltaic tracking bracket proposed in this invention; Figure 3 This is a schematic diagram of the limiting disk in a photovoltaic tracking bracket proposed in this invention; Figure 4 This is a schematic diagram of the support base in a photovoltaic tracking bracket proposed in this invention; Figure 5 This is a front view of a photovoltaic tracking bracket in its first locked state, as proposed in this invention. Figure 6 This is a rear view of a photovoltaic tracking bracket in the second locked state according to the present invention; Figure 7 This is a three-dimensional structural diagram of a photovoltaic tracking bracket at the first column proposed in this invention; Figure 8 A photovoltaic tracking bracket proposed in this invention Figure 7 A schematic diagram of the exploded structure; Figure 9 This is a schematic diagram of the structure of the lock mounting plate in a photovoltaic tracking bracket proposed in this invention; Figure 10 This is a schematic diagram of the support base in a photovoltaic tracking bracket proposed in this invention; Figure 11 This is a front view of a photovoltaic tracking bracket in its first locked state, as proposed in this invention. Figure 12 This is a rear view of a photovoltaic tracking bracket in the second locked state according to the present invention; The reference numerals in the above figures indicate: 1. Torque tube; 2. Limiting plate; 21. Receiving area; 22. Arc-shaped through groove; 23. Connecting plate; 24. Lock head mounting plate; 25. First ear plate; 26. Hanging plate; 27. Second mounting hole; 3. Support base; 31. Arc-shaped plate; 32. First locking area; 33. Second locking area; 34. First mounting hole; 35. Adapter plate; 4. Lock head; 5. Rotating mechanism; 6. Purlin; 7. First column; 8. Adapter; 9. Second column; 10. Drive mechanism; 11. Crank. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the scope of the invention.

[0023] Reference Figures 1-12 As shown, a photovoltaic tracking bracket includes: Torque tube 1, several of the torque tubes 1 are combined together in the length direction to form a continuous structure, for example, by fixing adjacent torque tubes 1 together with a clamp, or; one end of the torque tube 1 is reduced in size by extrusion and extends into the adjacent torque tube 1, and the continuous structure is formed by combining them by means of diameter reduction and by fixing them with fasteners. The support base 3 is provided with a first locking area 32 and a second locking area 33. The support base 3 is fixedly installed on the top of the first column 7 through the adapter 8. The top of the support base 3 is provided with an arc plate 31. The first locking area 32 and the second locking area 33 are respectively provided at both ends of the arc plate 31 in the length direction. The lock head 4 is rotatably positioned below the torque tube 1. The torque tube 1 has a passing state and a first locking state when passing through the support base 3. The lock head 4 cooperates with the first locking area 32 or the second locking area 33 on the support base 3 to form the first locking state. In the passing state, the lock head 4 passes through the support base 3 at an angle. In the first locking state, the lock head 4 is in contact with the first locking area 32 or the second locking area 33 to prevent the torque tube 1 from continuing to rotate. The lock head 4 has a spindle-shaped pointed head. When the lock head 4 is locked in the first locking area 32 or the second locking area 33, the pointed head on the lock head 4 is in contact with the first locking area 32 or the second locking area 33. The torque tube 1 switches between the passage state and the first locking state by rotating in the opposite direction. For example, when switching from the passage state to the first locking state, when the lock head 4 rotates counterclockwise to the top of the arc plate 31, the lock head 4 tilts to the left. The drive mechanism 10 changes the rotation direction of the torque tube 1 to the clockwise direction, thereby locking the lock head 4 at the second locking area 33, forming the first locking state. When it is necessary to enter the passage state from the first locking state, the torque tube 1 is rotated counterclockwise to enter the passage state. A rotating mechanism 5 is rotatably arranged below the torque tube 1. The torque tube 1 is rotatably connected to the support base 3 through the rotating mechanism 5, so that the torque tube 1 is placed above the support base 3, and the torque tube 1 rotates relative to the support base 3 through the rotating mechanism 5.

[0024] In some alternative embodiments, the photovoltaic tracking bracket further includes a drive mechanism 10, which is fixedly connected to a torque tube 1 via a crank 11. The crank 11 has a first connecting end and a second connecting end in the vertical direction, wherein the first connecting end is used to connect to the drive mechanism 10 and the second connecting end is used to connect to the torque tube 1, so that the torque tube 1 is suspended on the drive mechanism 10. The drive mechanism 10 is preferably a worm gear reducer with a self-locking function. The crank 11 makes the torque tube 1 suspended relative to the drive mechanism 10. When rotating, the center of mass of the entire photovoltaic tracking bracket is basically coincident with the center of rotation of the torque tube 1, thereby reducing the load on the drive mechanism 10 connected to the torque tube 1.

[0025] In some optional embodiments, the end of the support base 3 is provided with a protruding plate, and an arc-shaped plate 31 is provided between the protruding plates. The first locking area 32 and the second locking area 33 are set as the corner area formed between the arc-shaped plate 31 and the protruding plate. The protruding plate can also change the orientation of the lock head 4 when it passes by. When the lock head 4 enters from the outside of the support base 3, the orientation of the lock head 4 changes from vertically downward to inclined. When the lock head 4 leaves the support base 3, the orientation of the lock head 4 changes from inclined to vertically downward. The protruding plate plays a guiding role when the lock head 4 passes by, so that the lock head 4 can move in a passing state when it falls on the arc-shaped plate 31.

[0026] As an optional further solution, the rotating mechanism 5 includes a roller and a rotating shaft, with the roller rotatably mounted on the rotating shaft; or, the rotating mechanism 5 includes a rotating shaft and a limiting block disposed at the end of the rotating shaft, for example, a track for the roller to pass through is provided at the edge of the arc-shaped through groove 22 of the limiting disk 2, and the roller rotates along the track; or, a limiting nut is installed at the other end of the rotating shaft as a limiting block, and the rotating shaft rotates relative to the supporting disk 2 when the torque tube 1 rotates.

[0027] The following is a more detailed explanation in conjunction with the accompanying drawings. Example 1

[0028] like Figures 1-6As shown, a photovoltaic tracking bracket mainly consists of a torque tube 1, a limiting plate 2, a support base 3, a lock head 4, a rotating mechanism 5, a purlin 6, a first column 7, a connector 8, a second column 9, a drive mechanism 10, and a crank 11. The second column 9 is used to install the drive mechanism 10, which is preferably a worm gear reducer with a self-locking function. The support base 3 is fixedly installed on the top of the first column 7 through the connector 8. Adjacent torque tubes 1 are fixedly combined to form a continuous structure along the length of the torque tube 1. The limiting plate 2 fits against the bottom of the torque tube 1 through the receiving area 21. The limiting plate 2 is fixedly installed on the torque tube 1 through the connecting plate 23 and fasteners. The lock head 4 is rotatably installed on the lock head mounting plate 24 through a rotating shaft.

[0029] When the drive mechanism 10 drives the torque tube 1 to rotate, the torque tube 1 drives the lock head 4 to rotate synchronously. During a complete solar tracking cycle of the torque tube 1, the lock head 4 rotates from the outside of the support base 3 to the support base 3 and further rotates to the outside of the other side of the support base 3. When the lock head 4 is on the outside of the support base 3, the lock head 4 is in a vertical state under the action of gravity. When the lock head 4 contacts the support base 3, the lock head 4 is in an inclined state. After passing the protruding plate, it falls to the top of the arc plate 31 in a passing state. When it is necessary to enter the first locking state, the drive mechanism 10 drives the torque tube 1 in the opposite direction.

[0030] When the connecting cable tray is in the first locking state, specifically as follows: Figure 5 As shown, when the connecting cable tray 2 is locked in the first locking area 32 or the second locking area 33, the pointed head on the lock head 4 is in contact with the first locking area 32 or the second locking area 33, thereby preventing the torque tube 1 from continuing to rotate. By cooperating with the first locking area 32 and the second locking area 33 on the support base 3, the photovoltaic tracking bracket can be locked in a small angle area near zero degrees.

[0031] The torque tube 1 is rotatably connected to the rotating mechanism 5 through the limiting plate 2. The limiting plate 2 is provided with an arc-shaped through groove 22, and the support base 3 is provided with a first mounting hole 34. The rotating mechanism 5 passes through the arc-shaped through groove 22 and is rotatably mounted in the first mounting hole 34. The torque tube 1 has a passing state and a second locking state when passing through the arc-shaped through groove 22. In the second locking state, the rotating mechanism 5 contacts the end of the arc-shaped through groove 22 to prevent the torque tube 1 from continuing to rotate. When the connecting cable tray is in the second locking state, specifically as follows... Figure 6 As shown, when the torque tube 1 rotates to the maximum tilt angle, the end of the arc-shaped through groove 22 on the limit plate 2 abuts against the rotating mechanism 5, thereby preventing the torque tube 1 from continuing to rotate. By using the limit plate 2 in conjunction with the rotating mechanism 5, the photovoltaic tracking bracket can be locked at the maximum tilt angle, preventing the overall photovoltaic tracking bracket from going beyond the limit position and causing twisting deformation, thus improving the structural reliability and safety of the overall photovoltaic tracking bracket.

[0032] In some alternative embodiments, the limiting disk 2 has a receiving area 21 for accommodating the torque tube 1. The receiving area 21 includes a connecting plate 23 for fixing the torque tube 1. The limiting disk 2 is fixedly connected to the torque tube 1 through the connecting plate 23.

[0033] Furthermore, a lock head mounting plate 24 is fixedly provided at the bottom of the receiving area 21. The lock head mounting plate 24 is arranged parallel to the length direction of the torque tube 1. A first ear plate 25 is provided at the bottom of the lock head mounting plate 24. The lock head 4 is rotatably mounted on the bottom of the lock head mounting plate 24. A second ear plate matching the first ear plate 25 can also be provided at the top of the lock head 4. Both the first ear plate 25 and the second ear plate are provided with through holes. The lock head 4 is installed on the bottom of the lock head mounting plate 24 by passing a pin through the first ear plate 25 and the second ear plate. Example 2

[0034] like Figure 1 and Figures 7-12 As shown, a photovoltaic tracking bracket mainly consists of a torque tube 1, a limiting disc 2, a lock head mounting plate 24, a support base 3, a lock head 4, a rotating mechanism 5, a purlin 6, a first column 7, a connector 8, a second column 9, a drive mechanism 10, and a crank 11. The second column 9 is used to install the drive mechanism 10, which is preferably a worm gear reducer with a self-locking function. The support base 3 is fixedly installed on the top of the first column 7 through the connector 8. Adjacent torque tubes 1 are fixedly combined to form a continuous structure along the length of the torque tube 1. The limiting disc 2 fits against the bottom of the torque tube 1 through the receiving area 21. The limiting disc 2 is fixedly installed on the torque tube 1 through the connecting plate 23 and fasteners. The lock head 4 is rotatably installed on the lock head mounting plate 24 through a rotating shaft. The rotating mechanism 5 rotatably connects the limiting disc 2 and the torque tube 1 through the hanging plate 26 and the arc-shaped through groove 22, so that the torque tube 1 rotates relative to the limiting disc 2 when tracking the sun.

[0035] The support base 3 is provided with a limiting plate 2 on one side, and the limiting plate 2 is provided with an arc-shaped through groove 22. The limiting plate 2 and the support base 3 are integrally formed.

[0036] Furthermore, a lock head mounting plate 24 is fixed to the bottom of the torque tube 1. The bottom of the lock head mounting plate 24 extends downward to form a hanging plate 26. A second mounting hole 27 is provided on the hanging plate 26. The rotating mechanism 5 passes through the arc-shaped through groove 22 and is rotatably mounted in the second mounting hole 27. A first ear plate 25 is provided at the bottom of the lock head mounting plate 24. The lock head 4 is rotatably mounted on the bottom of the lock head mounting plate 24. A second ear plate that matches the first ear plate 25 can also be provided at the top of the lock head 4. Both the first ear plate 25 and the second ear plate are provided with through holes. The lock head 4 is mounted on the bottom of the lock head mounting plate 24 by passing a pin through the first ear plate 25 and the second ear plate. The torque tube 1 has a passing state and a second locking state when passing through the arc-shaped through groove 22. In the second locking state, the rotating mechanism 5 contacts the end of the arc-shaped through groove 22 to prevent the torque tube 1 from continuing to rotate.

[0037] It also includes purlins 6, first columns 7, adapters 8, and second columns 9. The purlins 6 are fixed to the torque tube 1 and used to support the installation of photovoltaic modules. The bottom of the adapter 8 is also provided with an adapter plate 35, which is fixedly connected to the adapter 8. The support base 3 is fixedly installed on the top of the first column 7 through the adapter 8, and the drive mechanism 10 is fixedly installed on the top of the second column 9.

[0038] The following provides a more detailed explanation based on the daily operating conditions of the tracking bracket.

[0039] Reference Figure 5 , Figure 6 , Figure 11 and Figure 12 As shown, taking the tracking bracket normally tracking the sun's rotation during the day and stopping at a small angle near 0 degrees at night as an example, in the early morning, the photovoltaic modules installed on the tracking bracket face the direction of the rising sun in the east, and in the evening, the photovoltaic modules installed on the tracking bracket face the direction of the setting sun in the west. During this process, the tracking bracket rotates counterclockwise from west to east. During the daytime sun tracking process, the torque tube 1 is always in a passing state, and the locking head 4 moves from the upper left through the second locking area 33 and the first locking area 32 on the support base 3 to the upper right. During this process, the locking head 4 exhibits different postures, as detailed below: In the morning, the lock head 4 is located on the upper left of the support base 3 and is in a vertical state under the action of gravity. As the sun rises, the lock head 4 begins to tilt to the left counterclockwise towards the protruding plate on the left side of the support base 3. After passing the second locking area 33, it falls onto the arc plate 31 of the support base 3 and slides across the support base 3 in a leftward tilted state. When passing the first locking area 32, the lock head 4 does not lock against the first locking area 32. The lock head 4 can smoothly pass through the first locking area 32. After disengaging from the protruding plate on the right side, the lock head 4 is in a vertical state under the action of gravity until the sun sets in the evening. Therefore, it can be seen that the lock head 4 is always in a passable state when it is normally tracking the sun during the day.

[0040] Similarly, during the nighttime return process, when the tracking bracket rotates back to face the photovoltaic modules eastward, the lock head 4 remains in a passable state during the rotation. This demonstrates that the lock head 4 and the support base 3 do not affect the normal operation of the tracking bracket.

[0041] When a strong wind blows, when the lock head 4 is located between the first locking area 33 and the second locking area 34 on the support base 3, or is located outside the support base 3 but near the first locking area 33 and the second locking area 34, the rotation direction of the tracking bracket is controlled according to the position of the lock head 4, as follows: When the lock head 4 is between the first locking area 32 and the second locking area 33 on the support base 3, if the lock head 4 is tilted to the left (i.e., during normal daytime tracking), the torque tube 1 is controlled to rotate clockwise instead of counterclockwise, so that the lock head 4 is attached to the second locking area 33, thereby limiting the torque tube 1 and preventing it from rotating further; if the lock head 4 is tilted to the right (i.e., during nighttime return), the torque tube 1 is controlled to rotate counterclockwise instead of clockwise, so that the lock head 4 is attached to the first locking area 32, thus limiting the torque tube 1. When the lock head 4 is located outside the support base 3 but near the first locking area 33 and the second locking area 34, if the lock head 4 is in the upper left position of the support base 3, adjust the torque tube 1 to enter the space between the first locking area 32 and the second locking area 33 counterclockwise and then rotate it clockwise in the opposite direction so that the lock head 4 abuts against the second locking area 33; similarly, when the lock head 4 is in the upper right position of the support base 3, adjust the torque tube 1 to enter the space between the first locking area 32 and the second locking area 33 clockwise and then rotate it counterclockwise in the opposite direction so that the lock head 4 abuts against the first locking area 32.

[0042] In addition, at night, the torque tube 1 can be positioned between the first locking area 33 and the second locking area 34 on the support base 3, such as near 0° when the tracking bracket is in place. This reduces the rotation angle required for the torque tube 1 to rotate to the first locking area 32 or the second locking area 33, thereby quickly achieving locking protection at night.

[0043] The locking mechanism described above allows the tracking bracket to remain open during normal operation. When strong winds occur, it rotates in the opposite direction to enter the locking state, thereby locking the torque tube 1 to a safe position. This provides wind protection for the entire tracking bracket and improves its wind resistance.

[0044] When the torque tube 1 rotates to the maximum tilt angle, the end of the arc-shaped through groove 22 on the limit plate 2 abuts against the rotating mechanism 5, thereby preventing the torque tube 1 from continuing to rotate. By using the limit plate 2 in conjunction with the rotating mechanism 5, the photovoltaic tracking bracket can be locked at the maximum tilt angle, preventing the overall photovoltaic tracking bracket from going beyond the limit position and causing twisting and deformation, thus improving the structural reliability and safety of the overall photovoltaic tracking bracket.

[0045] The tracking bracket has the function of limiting and locking wind resistance at both small and large angles. When strong winds strike, the tracking bracket can flexibly choose to rotate to a large or small angle to limit and lock according to its current angle. The response time of the tracking bracket rotating from any position to the protection angle is reduced by at least half, which effectively reduces the response time of the tracking bracket rotating to the protection angle, thereby improving the overall safety and wind resistance of the tracking bracket.

[0046] By distributing the wind load borne by the overall tracking bracket to multiple columns, the wind load is effectively dispersed, making full use of the structural strength of each column and improving the safety and wind resistance of the overall tracking bracket.

[0047] The above description is merely a preferred embodiment of the present invention and does not limit the implementation and protection scope of the present invention. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present invention should be included within the protection scope of the present invention.

Claims

1. A photovoltaic tracking bracket, characterized in that, include: Torque tube (1), several of the torque tubes (1) are combined together in the length direction to form a continuous structure; Support base (3), on which a first locking area (32) and a second locking area (33) are provided; The lock head (4) is rotatably disposed below the torque tube (1). The torque tube (1) has a passing state and a first locking state when passing through the support seat (3). The lock head (4) cooperates with the first locking area (32) or the second locking area (33) on the support seat (3) to form the first locking state. In the passing state, the lock head (4) passes through the support seat (3) in an inclined state. In the first locking state, the lock head (4) is in contact with the first locking area (32) or the second locking area (33) to prevent the torque tube (1) from continuing to rotate. The torque tube (1) switches between the passage state and the first locking state by rotating in the opposite direction; A rotating mechanism (5) is rotatably provided below the torque tube (1). The torque tube (1) is rotatably connected to the support base (3) through the rotating mechanism (5) so that the torque tube (1) is placed above the support base (3).

2. A photovoltaic tracking bracket according to claim 1, characterized in that, It also includes a drive mechanism (10), which is fixedly connected to a torque tube (1) via a crank (11). The crank (11) has a first connecting end and a second connecting end in the vertical direction. The first connecting end is used to connect to the drive mechanism (10), and the second connecting end is used to connect to the torque tube (1), so that the torque tube (1) is suspended on the drive mechanism (10).

3. A photovoltaic tracking bracket according to claim 1, characterized in that, The end of the support base (3) is provided with a protruding plate, and an arc plate (31) is provided between the protruding plates. The first locking area (32) and the second locking area (33) are set as corner areas formed between the arc plate (31) and the protruding plate.

4. A photovoltaic tracking bracket according to claim 3, characterized in that, The rotating mechanism (5) includes a roller and a rotating shaft, wherein the roller is rotatably mounted on the rotating shaft; or the rotating mechanism (5) includes a rotating shaft and a limiting block disposed at the end of the rotating shaft.

5. A photovoltaic tracking bracket according to claim 4, characterized in that, The torque tube (1) is rotatably connected to the rotating mechanism (5) via the limiting plate (2). The limiting plate (2) is provided with an arc-shaped through groove (22). The support base (3) is provided with a first mounting hole (34). The rotating mechanism (5) passes through the arc-shaped through groove (22) and is rotatably mounted in the first mounting hole (34). The torque tube (1) has a passing state and a second locking state when passing through the arc-shaped through groove (22). In the second locking state, the rotating mechanism (5) contacts the end of the arc-shaped through groove (22) to prevent the torque tube (1) from continuing to rotate.

6. A photovoltaic tracking bracket according to claim 5, characterized in that, The limiting plate (2) has a receiving area (21) for accommodating the torque tube (1). The receiving area (21) includes a connecting plate (23) for fixing the torque tube (1). The limiting plate (2) is fixedly connected to the torque tube (1) through the connecting plate (23).

7. A photovoltaic tracking bracket according to claim 6, characterized in that, A lock head mounting plate (24) is fixedly provided at the bottom of the receiving area (21). The lock head mounting plate (24) is parallel to the length direction of the torque tube (1). The lock head (4) is rotatably mounted on the bottom of the lock head mounting plate (24).

8. A photovoltaic tracking bracket according to claim 4, characterized in that, The support base (3) is provided with a limiting plate (2) on one side, and the limiting plate (2) is provided with an arc-shaped through groove (22). The limiting plate (2) and the support base (3) are integrally formed.

9. A photovoltaic tracking bracket according to claim 8, characterized in that, The bottom of the torque tube (1) is fixed with a lock head mounting plate (24), the bottom of the lock head mounting plate (24) extends downward to form a hanging plate (26), the hanging plate (26) is provided with a second mounting hole (27), the rotating mechanism (5) passes through the arc-shaped through groove (22) and is rotatably mounted in the second mounting hole (27). The torque tube (1) has a passing state and a second locking state when passing through the arc-shaped through groove (22). In the second locking state, the rotating mechanism (5) contacts the end of the arc-shaped through groove (22) to prevent the torque tube (1) from continuing to rotate.

10. A photovoltaic tracking bracket according to any one of claims 1-9, characterized in that, It also includes purlins (6), first column (7), adapter (8), and second column (9). The purlins (6) are fixed on the torque tube (1) and used to support the installation of photovoltaic modules. The support base (3) is fixedly installed on the top of the first column (7) through the adapter (8). The drive mechanism (10) is fixedly installed on the top of the second column (9).

Images