Photovoltaic panel rail laying fixing part and working method

Abstract

The invention discloses a photovoltaic panel rail laying fixing piece and a working method. The photovoltaic panel rail laying fixing piece comprises a screw rod, the screw rod is sleeved with a shaft sleeve, locking devices are arranged on the two sides of the shaft sleeve, a fixing device is arranged on the shaft sleeve, and one end of the screw rod is fixedly connected with a U-shaped clamp. The U-shaped clamp can be directly clamped at the bottom of the rail, extra punching or transformation of the rail is not needed, the original structure of the rail is prevented from being damaged, and the influence of construction on railway operation is reduced; meanwhile, the fixing device can be accurately attached to the corners of the photovoltaic panel, and the problem that a traditional fixing piece is difficult to adapt to the special installation environment of the rail is solved. The screw rod can axially move along the shaft sleeve and is matched with the tightness adjustment of the locking device, so that the positions of the U-shaped clamp and the fixing device can be flexibly and finely adjusted, the levelness and the plane position of the photovoltaic panel can be easily calibrated, the problems of inclination, uneven stress and the like of the photovoltaic panel caused by installation errors are effectively avoided, and the long-term stable operation of the photovoltaic panel is ensured.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic power generation equipment technology, specifically to a photovoltaic panel rail laying fixing component and its working method. Background Technology

[0002] Against the backdrop of the global push for sustainable energy development, photovoltaic (PV) power generation, as a clean and renewable energy source, has experienced rapid growth in recent years. With the continuous expansion of the PV industry, how to utilize land resources more efficiently and conveniently for PV power plant construction has become a critical issue that urgently needs to be addressed. At the same time, the increasing scarcity of land resources has imposed numerous limitations on the construction of traditional large-area ground-mounted PV power plants, making the search for new usable spaces imperative.

[0003] Railways, as a vital national infrastructure, are characterized by their long lines and vast land areas, resulting in a significant amount of unused space along their routes. Utilizing this space to install photovoltaic (PV) panels would greatly expand the scale of PV power generation and effectively alleviate land scarcity. However, the railway environment has its unique characteristics, and traditional PV panel fasteners are ill-suited to the specific installation conditions. On one hand, the complex structure of railway tracks places extremely high demands on the installation methods and stability of the fasteners; on the other hand, construction on railways must minimize damage to the original track structure to ensure the safety and stability of railway operations.

[0004] Existing methods for fixing photovoltaic (PV) panels in railway applications have numerous drawbacks. Many fasteners require drilling or modification of the mounting surface, which is unacceptable for railway tracks. Drilling can compromise the structural strength of the tracks, affecting safe railway operation, increasing construction complexity and costs, extending the construction period, and significantly impacting railway operations. Furthermore, traditional fasteners struggle to precisely fit the edges and corners of the PV panels during installation, leading to insecure installations. Under the vibrations and wind forces generated by trains, the PV panels may loosen, shift, or even detach, severely impacting the stability and safety of the PV power generation system. In addition, adjusting the horizontal and planar position of PV panels using traditional fasteners is cumbersome and difficult to precisely fine-tune. Installation errors can easily cause the PV panels to tilt, affecting their light-gathering efficiency, reducing power generation performance, and potentially causing uneven stress on the panels, shortening their lifespan.

[0005] Therefore, a photovoltaic panel rail laying fixing component and its working method are provided. Summary of the Invention

[0006] The purpose of this invention is to provide a photovoltaic panel rail laying fixing component and its working method. This photovoltaic panel rail laying fixing component is adaptable to railway scenarios, requires no additional drilling or modification of the railway rail, can accurately fit the edges and corners of the photovoltaic panel, and can flexibly adjust the position of the photovoltaic panel. It has important practical significance and broad application prospects. This will not only help promote the development of the photovoltaic industry along railway lines, but also provide strong support for achieving the goal of sustainable energy development and overcome the shortcomings of existing technologies.

[0007] To achieve the above objectives, the present invention provides the following technical solutions: In a first aspect, the present invention provides a photovoltaic panel rail laying fixing component, including a screw rod, a bushing sleeve on the screw rod, locking devices on both sides of the bushing sleeve, a fixing device on the bushing sleeve, and a U-shaped clip fixedly connected to one end of the screw rod.

[0008] Furthermore, the locking device includes a first nut, a second nut, a third nut, and a fourth nut respectively disposed on both sides of the bushing. The first nut and the third nut are respectively close to the two side walls of the bushing. The second nut is located on the side of the first nut away from the bushing, and the fourth nut is located on the side of the third nut away from the bushing.

[0009] Furthermore, elastic washers are provided between the first nut and the second nut, and between the third nut and the fourth nut, and the elastic washers are sleeved on the screw.

[0010] Furthermore, the fixing device includes a connecting part and a pressing part for attaching the photovoltaic panel. One end of the connecting part is fixedly connected to the outer wall of the bushing, and the other end is perpendicularly connected to the pressing part. The pressing part has a through hole for inserting fasteners.

[0011] Furthermore, the end of the clamping part away from the connecting part is provided with an upwardly curved guide part, and the guide part and the clamping part form an angle of 15°-30°.

[0012] Furthermore, the U-shaped clip includes a horizontal plate fixedly connected to the end of the screw and two vertical plates respectively vertically disposed at both ends of the horizontal plate, and anti-slip ridges are provided on the opposite side of the two vertical plates.

[0013] Furthermore, a reinforcing rib is provided at the connection between the screw and the U-shaped clip, and the reinforcing rib is fixedly connected to the outer wall of the screw and the cross plate of the U-shaped clip respectively.

[0014] Furthermore, the outer surfaces of the screw, bushing, fastener, and U-shaped clip are all provided with a galvanized layer.

[0015] Secondly, the present invention provides a working method for a photovoltaic panel rail laying fixing component, which, using the aforementioned photovoltaic panel rail laying fixing component, includes the following steps: Place the photovoltaic panel between the two railway tracks, aligning the four corners of the photovoltaic panel with the bottom mounting strip of the rails. Insert the U-shaped clips of the four fasteners into the bottom strips of the two rails respectively, and use the fastening device to fit the corners of the photovoltaic panel. Loosen the locking devices on both sides of the bushing to allow the screw to move axially along the bushing to drive the U-shaped clips to fine-tune their position, calibrate the levelness and plane position of the photovoltaic panel, and ensure that all four U-shaped clips are tightly attached to the bottom of the rail. Tighten the locking device to fix the relative position of the screw and the bushing, so that the fastener fits against the photovoltaic panel. Insert the fastener through the through hole of the fixing device to fix the fastener to the photovoltaic panel.

[0016] Furthermore, the tightening and locking device fixes the relative position of the screw and the bushing as follows: First, tighten the first and third nuts to make them fit tightly against the two sides of the bushing. Then, tighten the second nut in the opposite direction to lock the first nut, and tighten the fourth nut in the opposite direction to lock the third nut, thus fixing the relative position of the screw and the bushing.

[0017] Compared with the prior art, the present invention has the following beneficial technical effects: This invention provides a photovoltaic panel rail mounting fastener, which adapts to various rail installation scenarios through the cooperation of a screw, bushing, locking device, fixing device, and U-shaped clip. The U-shaped clip can directly engage with the bottom strip of the rail without requiring additional drilling or modification, thus avoiding damage to the original rail structure and reducing the impact of construction on railway operations. Simultaneously, the fixing device can precisely fit the edges and corners of the photovoltaic panel, solving the problem of traditional fasteners being difficult to adapt to the special installation environment of rails. The screw can move axially along the bushing, and with the adjustment of the locking device, the position of the U-shaped clip and the fixing device can be flexibly fine-tuned, easily calibrating the levelness and planar position of the photovoltaic panel. This effectively avoids problems such as photovoltaic panel tilting and uneven stress caused by installation errors, ensuring the long-term stable operation of the photovoltaic panel. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a photovoltaic panel rail laying fixing component in an embodiment of the present invention.

[0019] Figure 2 This is a schematic diagram of a photovoltaic panel fixing device for fixing a photovoltaic panel to a railway track, as described in an embodiment of the present invention.

[0020] In the diagram, 1 is the first nut; 2 is the second nut; 3 is the third nut; 4 is the fourth nut; 5 is the U-shaped clip; 8 is the bushing; 9 is the fixing device; 10 is the screw; and 11 is the photovoltaic panel. Detailed Implementation

[0021] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0022] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0024] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0027] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0028] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0029] The accompanying drawings illustrate various structural schematic diagrams according to embodiments disclosed in this invention. These drawings are not to scale, and some details have been enlarged for clarity, and some details may have been omitted. The shapes of the various regions and layers shown in the drawings, as well as their relative sizes and positional relationships, are merely exemplary and may deviate from reality due to manufacturing tolerances or technical limitations. Furthermore, those skilled in the art can design regions / layers with different shapes, sizes, and relative positions as needed.

[0030] See Figure 1 This invention provides a photovoltaic panel rail laying fixing component, including a screw 10, a bushing 8 sleeved on the screw 10, and locking devices on both sides of the bushing 8. The locking devices are used to fix the relative position of the screw 10 and the bushing 8 to prevent position displacement due to vibration after installation. A fixing device 9 is provided on the bushing 8. A U-shaped clip 5 is fixedly connected to one end of the screw 10. The screw 10 can move axially along the bushing 8 to achieve fine adjustment of the position of the U-shaped clip 5 and uniformly transmit clamping force and pressure. The U-shaped clip 5 serves as the connection anchor point between the fixing device and the rail. It is locked onto the bottom of the rail through the U-shaped structure to achieve reliable fixing of the fixing component on the rail.

[0031] In a more specific embodiment of the present invention, the locking device includes a first nut 1, a second nut 2, a third nut 3, and a fourth nut 4 respectively disposed on both sides of the bushing 8. The first nut 1 and the third nut 3 are positioning nuts, respectively pressed against the side walls of the bushing 8, directly restricting the axial movement of the screw along the bushing. The second nut 2 is located on the side of the first nut 1 away from the bushing 8, and the fourth nut 4 is located on the side of the third nut 3 away from the bushing 8. The second nut 2 and the fourth nut 4 are anti-loosening locking nuts, respectively locked in the opposite direction to the first nut 1 and the third nut 3, using the reverse thread friction to counteract the loosening tendency caused by vibration, forming a double locking. Elastic washers are provided between the first nut 1 and the second nut 2, and between the third nut 3 and the fourth nut 4, and the elastic washers are sleeved on the screw 10. The elastic washers are used to enhance the anti-loosening effect of the locking device, compensate for installation errors and material deformation, and are compressed to generate a continuous elastic preload when the nut is tightened, filling gaps and absorbing vibration impact to prevent the nut from loosening.

[0032] In a more specific embodiment of the present invention, the fastener 9 includes a connecting portion and a clamping portion for fitting the photovoltaic panel 11. One end of the connecting portion is fixedly connected to the outer wall of the bushing 8, and the other end is perpendicularly connected to the clamping portion. Its function is to transfer the supporting force of the bushing 8 to the clamping portion. The clamping portion is used to fit the corners of the photovoltaic panel 11. The clamping portion has through holes for fasteners to pass through. The through holes provide a fastener installation channel for fixing the photovoltaic panel, allowing fasteners such as bolts to pass through, thus fixing the clamping portion to the photovoltaic panel, so that the photovoltaic panel and the fastener form a rigid whole. The end of the clamping portion away from the connecting portion is provided with an upwardly curved guide portion. The guide portion and the clamping portion form an angle of 15°-30°. The guide portion plays a guiding role when installing the photovoltaic panel 11, so that the photovoltaic panel 11 is quickly aligned with the clamping portion, avoiding damage to the corners of the photovoltaic panel 11 from collision with the clamping portion, and improving installation efficiency.

[0033] In a more specific embodiment of the present invention, the U-shaped clip 5 includes a horizontal plate fixedly connected to the end of the screw 10 and two vertical plates respectively vertically disposed at both ends of the horizontal plate. Anti-slip ridges are provided on the opposite side of the two vertical plates. The U-shaped structure formed by the horizontal plate and the vertical plates is used to hug and clamp the bottom of the rail. The anti-slip ridges are used to increase the friction with the rail, prevent the U-shaped clip 5 from sliding along the rail, and ensure the stability of the connection between the U-shaped clip 5 and the rail.

[0034] In a more specific embodiment of the present invention, a reinforcing rib is provided at the connection between the screw 10 and the U-shaped clip 5. The reinforcing rib is fixedly connected to the outer wall of the screw 10 and the cross plate of the U-shaped clip 5 respectively. The reinforcing rib is used to enhance the structural strength of the connection between the screw 10 and the U-shaped clip 5, and to disperse the concentrated stress at the connection through the triangular support structure, so as to prevent fatigue fracture after long-term use.

[0035] The outer surfaces of the screw 10, bushing 8, fixing device 9 and U-shaped clip 5 are all provided with a galvanized layer; the galvanized layer is used to provide corrosion protection for the metal parts, forming a dense zinc oxide protective layer, isolating air and moisture from contact with the metal substrate, preventing the parts from rusting or being corroded by corrosive substances, and extending the outdoor service life of the fixing parts.

[0036] See Figure 2 In another embodiment of the present invention, a method for using a photovoltaic panel rail laying fixing component is provided, which includes the following steps: Place the photovoltaic panel 11 between the two railway rails, aligning the four corners of the photovoltaic panel 11 with the bottom mounting strip of the rails. Insert the U-shaped clips 5 of the four fasteners into the bottom strips of the rails on both sides. The clamping part of the fixing device 9 is used to fit the corners of the photovoltaic panel 11, and the clamping action of the U-shaped clips 5 is used to achieve the initial positioning of the fixing device. Loosen the locking devices on both sides of the bushing 8 to release the position restriction on the screw 10, so that the screw 10 can move along the axial direction of the bushing 8 to drive the U-shaped clip 5 to fine-tune the position, calibrate the horizontality and planar position of the photovoltaic panel 11, and ensure that all four U-shaped clips 5 are tightly attached to the bottom of the rail. The screw and bushing are fixed in position by the nut, and the locking device is tightened to fix the relative position of the screw 10 and bushing 8, so that the fixing part 9 is in contact with the photovoltaic panel 11. The specific process is as follows: First, tighten the first nut 1 and the third nut 3 to ensure that the first nut 1 and the third nut 3 are tightly fitted with the side wall of the bushing 8, completely restricting the axial movement of the screw 10 along the bushing 8. At this time, the relative position of the screw 10 and the bushing 8 is fixed. Tighten the second nut 2 to lock it in the opposite direction to the first nut 1, and tighten the fourth nut 4 to lock it in the opposite direction to the third nut 3. Use the friction force generated by the reverse threads to counteract the vibration and impact force when the train passes, forming a double locking structure to completely prevent the screw 10 and the bushing 8 from loosening due to vibration.

[0037] Fasteners are inserted through the through holes of the fixing device 9 to fix the fixing device 9 to the photovoltaic panel 11. Stainless steel bolts of appropriate specifications are inserted through the through holes of the clamping part of the fixing device 9. After the bolts are passed through the through holes, they are aligned with the preset mounting holes at the four corners of the photovoltaic panel. The bolts are then slowly tightened with a wrench to ensure that the clamping part is completely attached to the surface of the photovoltaic panel 11 without any gaps, thereby achieving rigid fixation between the photovoltaic panel 11 and the fixing device 9.

[0038] Working principle of the invention: The U-shaped clip 5 uses a U-shaped structure with a horizontal plate and two vertical plates on both sides. Its core function is to serve as an anchor point for connecting the fastener to the rail. During installation, the U-shaped clip 5 is inserted into the bottom strip of the rail with the opening facing down. The two vertical plates completely wrap around both sides of the bottom strip of the rail, forming a wraparound clamp. At the same time, the anti-slip ridges on the inside of the vertical plates increase the friction with the rail surface, preventing the U-shaped clip 5 from sliding along the rail. The screw 10 is fitted inside the bushing 8, and the two form an adjustable support structure: the bushing 8 provides a stable axial movement guide for the screw 10, ensuring that the screw 10 does not deviate when moving; one end of the screw 10 is fixed to the U-shaped clip 5, and the other end can move freely along the inner hole of the bushing 8. During installation, by loosening the locking nuts on both sides of the bushing 8, the screw 10 is pushed to move axially along the bushing 8, which can drive the U-shaped clip 5 to slide laterally on the bottom of the rail, thereby finely adjusting the planar position and levelness of the photovoltaic panel 11. If a certain corner of the photovoltaic panel 11 is too low, the screw 10 on the corresponding side is pushed to move outward, indirectly raising that corner of the photovoltaic panel 11, and finally achieving precise positioning of the photovoltaic panel 11. The fixing device 9, through the structural design of the connecting part and the clamping part, serves as a bridge connecting the photovoltaic panel 11 and the main body of the fixing component: one end of the connecting part is fixed to the outer wall of the bushing 8, transmitting the supporting force of the bushing 8 to the clamping part; the clamping part fits against the four corner edges of the photovoltaic panel 11, and is connected to the pre-set mounting holes of the photovoltaic panel 11 through the through holes with bolts, so as to firmly fix the photovoltaic panel 11 to the fixing component and realize the rigid connection between the photovoltaic panel 11 and the rail.

[0039] The bushing 8 is provided with two sets of double nuts: a first nut 1, a second nut 2, a third nut 3, and a fourth nut 4, forming a double locking structure. The first nut 1 and the third nut 3 are the main positioning nuts. After tightening, they are close to the two side walls of the bushing 8, directly restricting the axial movement of the screw 10 along the bushing 8 and fixing the relative position of the screw 10 and the bushing 8. The second nut 2 and the fourth nut 4 are anti-loosening locking nuts. During installation, they are tightened in the opposite direction to the main positioning nuts, such as tightening the first nut 1 clockwise and the second nut 2 counterclockwise. The friction generated by the reverse threads counteracts the loosening tendency caused by train vibration, forming a double lock and completely preventing the screw 10 and the bushing 8 from loosening due to vibration.

[0040] Reinforcing ribs at the connection between screw 10 and U-shaped clip 5: The reinforcing ribs are fixed to the outer wall of screw 10 and the horizontal plate of U-shaped clip 5 to form a triangular support structure, dispersing the concentrated stress at the connection between screw 10 and U-shaped clip 5 to a larger area and preventing fatigue fracture of the connection. Step-by-step tightening of fixing device 9: When connecting photovoltaic panel 11 to fixing device 9, the bolts are tightened in 2-3 stages with gradually increasing force to avoid excessive force at one time, which would cause local stress concentration at the corners of photovoltaic panel 11 and prevent cracking of photovoltaic panel 11. At the same time, it ensures that the pressing part is completely in contact with the surface of photovoltaic panel 11 and the force is evenly distributed.

[0041] The components of this invention feature a modular design with a clear structural logic. They do not require complex processing techniques and can be mass-produced in a standardized manner, reducing manufacturing costs. At the same time, the installation process is simple, requiring no specialized or complex equipment and only conventional tools to complete the assembly, which greatly improves construction efficiency and shortens the photovoltaic panel installation cycle.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic panel rail laying fixing component, characterized in that, Includes a screw (10), on which a bushing (8) is fitted, with locking devices on both sides of the bushing (8), and a fixing device (9) on the bushing (8), and a U-shaped clip (5) is fixedly connected to one end of the screw (10).

2. The photovoltaic panel rail laying fixing component according to claim 1, characterized in that, The locking device includes a first nut (1), a second nut (2), a third nut (3), and a fourth nut (4) respectively disposed on both sides of the bushing (8). The first nut (1) and the third nut (3) are respectively attached to the two side walls of the bushing (8). The second nut (2) is located on the side of the first nut (1) away from the bushing (8). The fourth nut (4) is located on the side of the third nut (3) away from the bushing (8).

3. The photovoltaic panel rail laying fixing component according to claim 1, characterized in that, An elastic washer is provided between the first nut (1) and the second nut (2), and between the third nut (3) and the fourth nut (4), and the elastic washer is sleeved on the screw (10).

4. The photovoltaic panel rail laying fixing component according to claim 1, characterized in that, The fixing device (9) includes a connecting part and a pressing part for attaching the photovoltaic panel (11). One end of the connecting part is fixedly connected to the outer wall of the bushing (8), and the other end is vertically connected to the pressing part. The pressing part has a through hole for fasteners to pass through.

5. A photovoltaic panel rail laying fixing component according to claim 4, characterized in that, The end of the clamping part away from the connecting part is provided with an upwardly curved guide part, and the guide part and the clamping part form an angle of 15°-30°.

6. A photovoltaic panel rail laying fixing component according to claim 1, characterized in that, The U-shaped clip (5) includes a horizontal plate fixedly connected to the end of the screw (10) and two vertical plates respectively vertically arranged at both ends of the horizontal plate. Anti-slip ridges are provided on the opposite side of the two vertical plates.

7. A photovoltaic panel rail laying fixing component according to claim 6, characterized in that, A reinforcing rib is provided at the connection between the screw (10) and the U-shaped clip (5), and the reinforcing rib is fixedly connected to the outer wall of the screw (10) and the cross plate of the U-shaped clip (5).

8. A photovoltaic panel rail laying fixing component according to claim 1, characterized in that, The outer surfaces of the screw (10), bushing (8), fixing device (9) and U-shaped clip (5) are all provided with a galvanized layer.

9. A method for using a photovoltaic panel rail laying fixing component, employing the photovoltaic panel rail laying fixing component as described in any one of claims 1-8, characterized in that, Includes the following steps: Place the photovoltaic panel (11) between the two railway rails, aligning the four corners of the photovoltaic panel (11) with the bottom mounting strip of the rails. Insert the U-shaped clips (5) of the four fasteners into the bottom strips of the rails on both sides, and use the pressing part of the fixing device (9) to fit the corners of the photovoltaic panel (11). Loosen the locking devices on both sides of the bushing (8) so that the screw (10) moves along the axial direction of the bushing (8) to drive the U-shaped clip (5) to fine-tune its position, calibrate the level and plane position of the photovoltaic panel (11), and ensure that all four U-shaped clips (5) are tightly attached to the bottom of the rail. Tighten the locking device to fix the relative position of the screw (10) and the bushing (8), so that the fixing device (9) fits against the photovoltaic panel (11). Fasteners are inserted through the through hole of the fixing device (9) to fix the fixing device (9) and the photovoltaic panel (11).

10. The working method of a photovoltaic panel rail laying fixing component according to claim 9, characterized in that, The tightening and locking device fixes the relative position of the screw (10) and the bushing (8) as follows: First, tighten the first nut (1) and the third nut (3) to make them fit against the two sides of the bushing (8). Then tighten the second nut (2) to lock the first nut (1) in the opposite direction, and tighten the fourth nut (4) to lock the third nut (3) in the opposite direction, so as to fix the relative position of the screw (10) and the bushing (8).

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