Photovoltaic support quick docking device

Abstract

The utility model provides a kind of photovoltaic support rapid butt joint device, belong to butt joint device technical field, this photovoltaic support rapid butt joint device includes first support butt joint part, second support butt joint part, eccentric wheel and butt joint plate;The first support butt joint part is equipped with the mounting shaft for installing eccentric wheel, the eccentric wheel is sleeved on the mounting shaft and can rotate around the mounting shaft;The second support butt joint part is equipped with the butt joint plate, recess that is compatible with eccentric wheel is opened on the butt joint plate;When the first support butt joint part and second support butt joint part butt joint, rotate eccentric wheel, the convex part of eccentric wheel can be inserted into the recess of butt joint plate and press the butt joint plate tightly, the outer periphery of eccentric wheel is cambered surface, the curvature center of cambered surface deviates from the axis of mounting shaft, solves the technical problem that traditional photovoltaic support rapid butt joint device exists and installs complicated and connection unstable.

Description

Technical Field

[0001] This utility model belongs to the field of docking device technology, and specifically relates to a photovoltaic bracket quick docking device. Background Technology

[0002] With the continuous growth of global demand for clean energy, photovoltaic (PV) power generation, as a clean and renewable energy source, has been widely applied and rapidly developed. In PV power generation systems, the PV mounting system is a key component supporting the PV modules, and its installation quality and efficiency directly affect the performance and construction cost of the entire system. PV mounting system quick-connection devices, as a core component enabling rapid and convenient installation of PV mounting systems, play a crucial role in improving construction efficiency and reducing installation costs.

[0003] Traditional quick-connection devices for photovoltaic (PV) brackets mostly employ bolt or snap-fit ​​connections. Bolt connections require operators to tighten each bolt individually with wrenches and other tools, a cumbersome and time-consuming process that demands a certain level of skill and results in low installation efficiency. Furthermore, over long-term use, external environmental factors (such as wind and vibration) can cause bolts to loosen, leading to unstable PV bracket connections, safety hazards, and requiring regular inspection and maintenance, increasing long-term operating costs. While snap-fit ​​connections improve installation speed to some extent, their structural design is often inadequate, resulting in limited connection strength. In severe weather or under significant external forces, snap-fits are prone to deformation and detachment, compromising the stability of the PV bracket connection and affecting the normal operation of the PV power generation system. In addition, some traditional quick-connection devices have complex structures, numerous components, and demanding manufacturing processes, increasing production costs and hindering large-scale application. Therefore, developing a simple, easy-to-install, stable, and low-cost quick-connection device for PV brackets is of significant practical importance. Utility Model Content

[0004] In view of this, the present invention provides a photovoltaic bracket quick docking device, which solves the technical problems of complicated installation and unstable connection of traditional photovoltaic bracket quick docking devices. Through structural design such as eccentric wheels, it achieves fast, firm and low-cost bracket docking.

[0005] This utility model is implemented as follows:

[0006] This utility model provides a quick-connection device for photovoltaic brackets, comprising a first bracket connection part, a second bracket connection part, an eccentric wheel, and a connection plate; the first bracket connection part is provided with a mounting shaft for mounting the eccentric wheel, the eccentric wheel being sleeved on the mounting shaft and rotatable around the mounting shaft; the second bracket connection part is provided with the connection plate, the connection plate having a groove adapted to the eccentric wheel; when the first bracket connection part and the second bracket connection part are connected, rotating the eccentric wheel causes the protruding part of the eccentric wheel to engage with the groove of the connection plate and press the connection plate tightly.

[0007] The technical effects of the photovoltaic bracket quick-connection device provided by this utility model are as follows: By setting an eccentric wheel and a connecting plate at the connecting part of the photovoltaic bracket, the bracket can be quickly connected by utilizing the pressing effect of the protruding part of the eccentric wheel on the groove of the connecting plate when the eccentric wheel rotates. This eliminates the need for complicated tools and cumbersome operations, significantly improving installation efficiency. At the same time, the pressing force of the eccentric wheel can make the bracket connection tight, enhance connection stability, and effectively prevent problems such as loosening and displacement of the photovoltaic bracket during use.

[0008] Based on the above technical solution, the photovoltaic bracket quick-connection device of this utility model can be further improved as follows:

[0009] The outer circumferential surface of the eccentric wheel is an arc-shaped surface, and the center of curvature of the arc-shaped surface is offset from the axis of the mounting shaft.

[0010] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the arc-shaped surface of the outer circumference of the eccentric wheel and the design of the curvature center being offset from the axis of the mounting shaft make the contact area between the protrusion and the groove of the docking plate gradually increase during the rotation of the eccentric wheel, and the clamping force also gradually increases, which can more evenly and stably clamp the docking plate and further improve the reliability of the bracket connection; at the same time, this arc-shaped surface design makes it easy for the eccentric wheel to smoothly enter the groove, reduce friction and wear, and extend the service life of the device.

[0011] Furthermore, the mounting shaft is vertically fixed to the docking end face of the first bracket docking part, and the docking plate is vertically fixed to the docking end face of the second bracket docking part. The mounting shaft and the docking plate are in relative positions when the first bracket docking part and the second bracket docking part are docked.

[0012] The beneficial effects of adopting the above-mentioned improved scheme are as follows: the arrangement of the mounting shaft being vertically fixed to the first bracket docking part and the docking plate being vertically fixed to the second bracket docking part, with the two being opposite each other, ensures that the eccentric wheel and the docking plate can be accurately aligned when the brackets are docked, so that the protruding part of the eccentric wheel can smoothly engage with the groove of the docking plate, avoiding the situation that the docking cannot be normal or is not secure due to positional deviation; this vertical and relative positional relationship also makes the structure of the device more regular, which is convenient for manufacturing and installation.

[0013] Furthermore, the eccentric wheel has a mounting hole at its center that matches the mounting shaft, and a bearing is provided between the mounting hole and the mounting shaft.

[0014] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the bearing installed between the central mounting hole of the eccentric wheel and the mounting shaft greatly reduces the friction when the eccentric wheel rotates, allowing the eccentric wheel to rotate more smoothly. Operators only need to apply a small force to complete the rotation operation, improving the convenience of operation. At the same time, the bearing reduces the wear between the eccentric wheel and the mounting shaft, improving the overall service life and reliability of the device.

[0015] Furthermore, the shape of the groove matches the shape of the protrusion of the eccentric wheel, and the depth of the groove is greater than the maximum thickness of the protrusion of the eccentric wheel in the direction perpendicular to the plane of rotation.

[0016] The protruding part of the eccentric wheel is generally arc-shaped, with a cross-sectional profile that is an arc off-center. During the rotation of the eccentric wheel, this protruding part engages with a groove on the mating plate. The groove on the mating plate is correspondingly designed as an arc-shaped groove, with its curvature and bending direction matching the arc of the eccentric wheel's protruding part's cross-section. Furthermore, the length and width of the groove are slightly larger than the length and width of the eccentric wheel's protruding part, ensuring that the protruding part can smoothly engage within the groove. Simultaneously, the bottom of the groove is an arc surface that matches the shape of the protruding part's end. When the eccentric wheel rotates and the protruding part is fully engaged in the groove, the contact surfaces of the two can fit tightly together, ensuring that the eccentric wheel applies a uniform and stable clamping force to the mating plate, thereby achieving a secure connection at the photovoltaic support joint.

[0017] The design, with the groove matching the shape of the eccentric wheel protrusion and the groove depth exceeding the maximum thickness of the protrusion, ensures that the eccentric wheel protrusion can be fully inserted into the groove, while leaving some room for movement after insertion. This allows the eccentric wheel to better adapt to different installation errors and stress conditions during rotation and clamping, further enhancing the stability of the connection. At the same time, the appropriate shape matching and depth setting can fully utilize the clamping effect of the eccentric wheel, ensuring a firm and reliable bracket connection.

[0018] Furthermore, the first bracket docking part is also provided with a limiting structure for limiting the rotation angle of the eccentric wheel, and the limiting structure is located on the rotation path of the eccentric wheel.

[0019] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the setting of the limiting structure can effectively limit the rotation angle of the eccentric wheel, prevent the excessive rotation of the eccentric wheel from causing excessive clamping force to damage the parts, or the insufficient rotation angle from causing the connection to be unstable; by reasonably setting the limiting structure, it can be ensured that the eccentric wheel rotates to the appropriate position each time, so that the bracket connection reaches the optimal state and improves the consistency and reliability of the connection.

[0020] Furthermore, the limiting structure is a limiting block fixed to the docking part of the first bracket, and the eccentric wheel is provided with a limiting groove that cooperates with the limiting block.

[0021] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the limiting structure using the combination of limiting block and limiting groove is simple in structure, easy to manufacture, and has a reliable limiting effect; the limiting block is fixed to the docking part of the first bracket, and the limiting groove is set on the eccentric wheel. The combination of the two can accurately limit the rotation angle of the eccentric wheel, ensuring that the eccentric wheel can reach the preset position every time it rotates, thus ensuring the stability and consistency of the bracket connection.

[0022] Furthermore, an operating part is provided on the side of the eccentric wheel away from the mounting shaft, and the operating part is used to facilitate the rotation of the eccentric wheel.

[0023] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the operating part set on the eccentric wheel makes it easy for the operator to grasp and apply force, which greatly improves the ease of operation of rotating the eccentric wheel; whether in the process of installation or disassembly, the operator can easily rotate the eccentric wheel through the operating part without the need for other auxiliary tools, which reduces the difficulty of operation and improves work efficiency.

[0024] Furthermore, the operating part is a protrusion or handle provided on the eccentric wheel.

[0025] Raised Rib Design: Multiple raised ribs are spaced circumferentially on the outer circumferential surface of the eccentric wheel, away from the mounting shaft. These ribs are elongated, their length aligning with the tangent to the eccentric wheel's circumference, and their length covers a significant arc range on the outer circumference of the eccentric wheel, facilitating grip and force application by the operator. The cross-section of the raised ribs is trapezoidal or semi-circular, with moderate dimensions for the upper base of the trapezoid and the diameter of the semi-circle, ensuring both operator comfort and sufficient friction to prevent slippage. The raised ribs are integrally molded with the eccentric wheel, ensuring structural strength. When rotating the eccentric wheel, the operator applies torque by gripping the raised ribs, achieving smooth rotation of the eccentric wheel.

[0026] Handle Installation: A handle is fixedly installed perpendicular to the plane of the eccentric wheel on the side away from the mounting axis. One end of the handle is securely fixed to the eccentric wheel by welding or bolting, while the other end is a grip for easy handling. The grip can be cylindrical, elliptical, or an ergonomically designed irregular shape, and its surface can be textured with anti-slip patterns or covered with an anti-slip rubber sleeve. The length of the handle is designed according to the size of the eccentric wheel and actual operational needs, ensuring that the operator can easily apply force when turning the eccentric wheel without the handle being too long or too short affecting operational convenience and stability.

[0027] Furthermore, a reinforcing rib is provided between the docking plate and the docking part of the second bracket, and the reinforcing rib is used to enhance the structural strength of the docking plate.

[0028] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the reinforcing ribs set between the docking plate and the second bracket can effectively enhance the structural strength of the docking plate and improve its resistance to deformation when subjected to the clamping force of the eccentric wheel; avoid problems such as bending and deformation of the docking plate due to stress during long-term use, ensure the stability and reliability of the device, and extend the service life of the photovoltaic bracket.

[0029] Compared with existing technologies, the advantages of the photovoltaic bracket quick-connection device provided by this utility model are:

[0030] In terms of installation efficiency, it eliminates the cumbersome operation of traditional bolted connections. There's no need to use wrenches or other tools to tighten multiple bolts, nor is there the time-consuming adjustment of clip positions required for some snap-fit ​​connections. Operators only need to align the two bracket joints and then rotate the eccentric wheel to complete the bracket connection in a short time, significantly shortening installation time and improving construction efficiency. Especially in large-scale photovoltaic power plant construction, where thousands of photovoltaic brackets are installed, this rapid connection method can significantly accelerate project progress and reduce labor costs.

[0031] In terms of connection stability, the gradually increasing clamping force of the eccentric wheel during rotation ensures a tight connection between the two bracket joints, resulting in high connection strength. Unlike traditional snap-fit ​​connections that are prone to deformation and detachment, this device, through the clamping action of the eccentric wheel, effectively prevents the bracket from loosening or shifting even in harsh external environments (such as strong winds or earthquakes), ensuring the stable operation of the photovoltaic bracket, reducing safety hazards caused by unstable connections, and decreasing subsequent maintenance costs and workload.

[0032] From an operational convenience perspective, the device is simple and easy to operate, requiring no specialized technicians for installation and disassembly. The well-designed operating section, with its convex ridges providing excellent friction for easy gripping and force application, and the handle offering a comfortable grip, allows operators to easily rotate the eccentric wheel, reducing operational difficulty and improving comfort and convenience. Even ordinary workers can quickly master the operation after simple training, effectively improving construction efficiency. Attached Figure Description

[0033] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is an example diagram of a photovoltaic bracket quick-connection device;

[0035] Figure 2 This is a side view of a photovoltaic bracket quick-connection device;

[0036] The attached diagram lists the components represented by each number as follows:

[0037] 10. First bracket docking part; 11. Mounting shaft; 12. Limiting structure; 20. Second bracket docking part; 30. Eccentric wheel; 40. Dock plate. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0039] like Figure 1 , Figure 2 The diagram shows a first embodiment of a photovoltaic bracket quick-connection device provided by this utility model. In this embodiment, it includes a first bracket connection part 10, a second bracket connection part 20, an eccentric wheel 30, and a connection plate 40. The first bracket connection part 10 is provided with a mounting shaft 11 for mounting the eccentric wheel 30. The eccentric wheel 30 is sleeved on the mounting shaft 11 and can rotate around the mounting shaft 11. The second bracket connection part 20 is provided with a connection plate 40, and the connection plate 40 has a groove adapted to the eccentric wheel 30. When the first bracket connection part 10 and the second bracket connection part 20 are connected, the eccentric wheel 30 is rotated, and the protruding part of the eccentric wheel 30 can be inserted into the groove of the connection plate 40 and press the connection plate 40 tightly.

[0040] A photovoltaic (PV) support system is a structural system used to support PV modules. Common structural forms include column-beam type, fixed tilt type, and tracking type. It is usually composed of components such as columns, beams, diagonal braces, and connectors. The columns are perpendicular to the ground and serve to support the entire support system; the beams are parallel to the ground and installed on the columns to support the PV modules; the diagonal braces enhance the stability of the support system.

[0041] In this invention, the first bracket docking part and the second bracket docking part are located at the ends of two photovoltaic brackets that need to be connected to each other. These can be understood as the "interface" parts of the photovoltaic brackets. When two photovoltaic brackets need to be connected to form a larger support structure, a quick and stable connection is achieved through these two docking parts using an eccentric wheel clamping quick docking device. This allows multiple photovoltaic brackets to work together, providing stable support for the photovoltaic modules.

[0042] First, align the first bracket docking part with the eccentric wheel with the second bracket docking part with the docking plate, so that the eccentric wheel corresponds to the groove of the docking plate; then rotate the eccentric wheel. As the eccentric wheel rotates, its protruding part gradually engages in the groove of the docking plate and exerts a pressing force on the docking plate; when the eccentric wheel rotates to the appropriate position, the protruding part is fully engaged in the groove and the required degree of pressing is achieved, thus completing the rapid docking of the photovoltaic bracket.

[0043] In the above technical solution, the outer peripheral surface of the eccentric wheel 30 is an arc-shaped surface, and the curvature center of the arc-shaped surface is offset from the axis of the mounting shaft 11.

[0044] When rotating the eccentric wheel, due to its special arc-shaped surface design, the operator can clearly feel that as the rotation angle increases, the clamping force of the eccentric wheel on the mating plate gradually increases; continue rotating the eccentric wheel until a suitable clamping degree is reached to ensure that the bracket connection is stable.

[0045] Furthermore, in the above technical solution, the mounting shaft 11 is vertically fixed to the docking end face of the first bracket docking part 10, and the docking plate 40 is vertically fixed to the docking end face of the second bracket docking part 20. The mounting shaft 11 and the docking plate 40 are in relative positions when the first bracket docking part 10 and the second bracket docking part 20 are docked.

[0046] Before connecting the brackets, ensure that the mounting axis of the first bracket connection part is perpendicular to the connection end face of the bracket, and the connection plate of the second bracket connection part is perpendicular to its connection end face. During the connection process, simply bring the two bracket connection parts close together and align them to make the eccentric wheel and the connection plate in a suitable relative position, and then rotate the eccentric wheel to complete the connection.

[0047] Furthermore, in the above technical solution, the center of the eccentric wheel 30 is provided with a mounting hole that is compatible with the mounting shaft 11, and a bearing is provided between the mounting hole and the mounting shaft 11.

[0048] When installing the eccentric wheel, the bearing is installed in the mounting hole of the eccentric wheel, and then the eccentric wheel with the bearing is placed on the mounting shaft of the first bracket docking part. When rotating the eccentric wheel for bracket docking, due to the bearing, the operator can easily rotate the eccentric wheel without having to overcome a large friction force, and easily achieve the pressing operation of the eccentric wheel on the docking plate.

[0049] Furthermore, in the above technical solution, the shape of the groove matches the shape of the protruding part of the eccentric wheel 30, and the depth of the groove is greater than the maximum thickness of the protruding part of the eccentric wheel 30 in the direction perpendicular to the plane of rotation.

[0050] During the bracket docking process, once the protruding part of the eccentric wheel aligns with the groove of the docking plate, the eccentric wheel is rotated and the protruding part smoothly engages in the groove. Since the groove depth is greater than the maximum thickness of the protruding part, the operator can continue to rotate the eccentric wheel until a suitable degree of clamping is achieved. There is no need to worry about the protruding part not being able to fully engage or the clamping force being insufficient due to the groove being too shallow.

[0051] Furthermore, in the above technical solution, the first bracket docking part 10 is also provided with a limiting structure 12 for limiting the rotation angle of the eccentric wheel 30, and the limiting structure 12 is located on the rotation path of the eccentric wheel 30.

[0052] When the eccentric wheel is rotated to connect the bracket, when the eccentric wheel rotates to the angle limited by the limiting structure, the eccentric wheel is limited and cannot continue to rotate. At this time, the clamping force of the eccentric wheel on the connecting plate reaches a suitable level, and the bracket connection operation is completed. The operator does not need to judge the rotation angle, which reduces the difficulty of operation and improves the installation efficiency.

[0053] Furthermore, in the above technical solution, the limiting structure 12 is a limiting block fixed to the first bracket docking part 10, and the eccentric wheel 30 is provided with a limiting groove that cooperates with the limiting block.

[0054] During installation, the limiting block is accurately fixed at the predetermined position of the first bracket docking part, so that the limiting block and the limiting groove on the eccentric wheel correspond to each other on the rotation path of the eccentric wheel; when the eccentric wheel is rotated to dock the bracket, when the limiting groove on the eccentric wheel contacts the limiting block and is blocked, it means that the eccentric wheel has rotated to the appropriate angle and the docking of the bracket is completed.

[0055] Furthermore, in the above technical solution, an operating part is provided on the side of the eccentric wheel 30 away from the mounting shaft 11, and the operating part is used to facilitate the rotation of the eccentric wheel 30.

[0056] When connecting or disassembling the bracket by rotating the eccentric wheel, the operator can directly grasp the operating part by hand and easily rotate the eccentric wheel by applying torque to the operating part. During installation, rotating the operating part causes the eccentric wheel to press against the docking plate to complete the bracket connection. During disassembly, rotating the operating part in the opposite direction causes the eccentric wheel to loosen the docking plate, making it easier to separate the bracket.

[0057] Furthermore, in the above technical solution, the operating part is a protrusion or handle provided on the eccentric wheel 30.

[0058] Furthermore, in the above technical solution, a reinforcing rib is provided between the docking plate 40 and the docking part 20 of the second bracket, and the reinforcing rib is used to enhance the structural strength of the docking plate 40.

[0059] When installing the second bracket with the connecting plate, the reinforcing rib is already fixed between the connecting plate and the second bracket, requiring no additional operation. During subsequent use, due to the presence of the reinforcing rib, the connecting plate can better withstand the clamping force of the eccentric wheel, ensuring the stability of the bracket connection, and there is no need to worry about the connecting plate being damaged due to force.

[0060] Specifically, the principle of this utility model is as follows: The eccentric wheel pressing quick docking device provided by this utility model is based on the mechanical transmission characteristics of the eccentric wheel and the ingenious cooperation between structural components. The device mainly consists of a first bracket docking part with a mounting shaft, a second bracket docking part with a grooved docking plate, an eccentric wheel, and other core components;

[0061] During the docking process, when the docking parts of the first and second brackets approach and align, the eccentric wheel corresponds to the groove on the docking plate. The eccentric wheel is sleeved on the mounting shaft, and its outer circumference is arc-shaped, with its center of curvature offset from the axis of the mounting shaft. When the operator rotates the eccentric wheel, due to its special structure, its protruding part gradually moves towards the docking plate. As the rotation angle increases, the contact area between the protruding part and the groove on the docking plate gradually increases, and the clamping force on the docking plate also gradually increases. This design allows the eccentric wheel to convert its rotational motion into a clamping force on the docking plate, achieving a tight connection between the two bracket docking parts.

[0062] To ensure smooth rotation of the eccentric wheel, a bearing is installed between the mounting hole at the center of the eccentric wheel and the mounting shaft. This effectively reduces friction during rotation, allowing operators to complete the rotation with minimal force. Simultaneously, the limiting structure ensures that the eccentric wheel rotates to the appropriate position each time, preventing over-rotation or insufficient rotation and ensuring optimal bracket connection. For example, the cooperation between the limiting block and the limiting groove precisely limits the rotation angle of the eccentric wheel. When the limiting groove on the eccentric wheel contacts and is blocked by the limiting block, it indicates that the eccentric wheel has rotated to the appropriate angle, at which point the clamping force of the eccentric wheel on the mating plate reaches the appropriate level.

Claims

1. A photovoltaic bracket quick-connection device, characterized in that, The device includes a first bracket docking part, a second bracket docking part, an eccentric wheel, and a docking plate. The first bracket docking part is provided with a mounting shaft for mounting the eccentric wheel, and the eccentric wheel is sleeved on the mounting shaft and can rotate around the mounting shaft. The second bracket docking part is provided with the docking plate, and the docking plate has a groove adapted to the eccentric wheel. When the first bracket docking part and the second bracket docking part are docked, the eccentric wheel is rotated, and the protruding part of the eccentric wheel can be inserted into the groove of the docking plate and press the docking plate tightly.

2. The photovoltaic bracket quick-connection device according to claim 1, characterized in that, The outer circumferential surface of the eccentric wheel is an arc-shaped surface, and the center of curvature of the arc-shaped surface is offset from the axis of the mounting shaft.

3. The photovoltaic bracket quick-connection device according to claim 2, characterized in that, The mounting shaft is vertically fixed to the docking end face of the first bracket docking part, and the docking plate is vertically fixed to the docking end face of the second bracket docking part. The mounting shaft and the docking plate are in relative positions when the first bracket docking part and the second bracket docking part are docked.

4. The photovoltaic bracket quick-connection device according to claim 3, characterized in that, The eccentric wheel has a mounting hole at its center that matches the mounting shaft, and a bearing is provided between the mounting hole and the mounting shaft.

5. A photovoltaic bracket quick-connection device according to claim 4, characterized in that, The shape of the groove matches the shape of the protrusion of the eccentric wheel, and the depth of the groove is greater than the maximum thickness of the protrusion of the eccentric wheel in the direction perpendicular to the plane of rotation.

6. A photovoltaic bracket quick-connection device according to claim 5, characterized in that, The first bracket docking part is also provided with a limiting structure for limiting the rotation angle of the eccentric wheel, and the limiting structure is located on the rotation path of the eccentric wheel.

7. A photovoltaic bracket quick-connection device according to claim 6, characterized in that, The limiting structure is a limiting block fixed to the docking part of the first bracket, and the eccentric wheel is provided with a limiting groove that cooperates with the limiting block.

8. A photovoltaic bracket quick-connection device according to claim 7, characterized in that, An operating part is provided on the side of the eccentric wheel away from the mounting shaft, and the operating part is used to facilitate the rotation of the eccentric wheel.

9. A photovoltaic bracket quick-connection device according to claim 8, characterized in that, The operating part is a protrusion or handle provided on the eccentric wheel.

10. A photovoltaic bracket quick-connection device according to claim 9, characterized in that, A reinforcing rib is provided between the docking plate and the second bracket docking part, and the reinforcing rib is used to enhance the structural strength of the docking plate.

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