Photovoltaic panel fixing device
By designing a combination of the first and second fixing components and the anti-loosening nut, the problem of photovoltaic panels swaying and falling off in windy weather was solved, and a stable connection between the photovoltaic panels and the purlins was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHANGBEI HERUN ENERGY CO LTD
- Filing Date
- 2025-08-07
- Publication Date
- 2026-06-23
AI Technical Summary
Existing photovoltaic panels are prone to swaying in windy weather, which can cause nuts to loosen and potentially fall off, affecting the safe operation of photovoltaic power stations.
The first and second fasteners are connected to the edge strip of the photovoltaic panel through the overlapping part, and the anti-loosening nuts and bolts are used to fix it to the purlin, which enhances the connection and prevents shaking and falling off.
This improves the connection strength between the photovoltaic panels and the steel pipe purlins, preventing the nuts from loosening and falling off in windy weather, and ensuring the stable fixing of the photovoltaic panels.
Smart Images
Figure CN224401440U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of photovoltaic panel installation technology, and in particular to a photovoltaic panel fixing device. Background Technology
[0002] Driven by the global energy transition and carbon neutrality goals, renewable energy, represented by photovoltaics, is experiencing an unprecedented period of rapid development. However, with the increasing cumulative installed capacity of photovoltaic power plants, coupled with the frequent occurrence of strong winds and extreme weather in recent years, photovoltaic panels have been frequently blown over, seriously affecting the safe operation of these plants and posing a severe challenge to their safety.
[0003] A photovoltaic panel mounting assembly is disclosed in the related technology, including a middle pressure block and a fixing plate. The middle pressure block includes a first middle plate located in the middle. The two sides of the first middle plate extend upward and bend to form a first fold plate in the shape of a 7. The two first fold plates are set facing outwards. The top outer side of the first fold plate is used to overlap the edge of the photovoltaic panel. The middle pressure plate is suspended between two adjacent photovoltaic panels. The two ends of the U-shaped screw pass through the first middle plate of the middle pressure block, the steel pipe purlin and the fixing plate and are screwed on with two nuts to fix the photovoltaic panel.
[0004] However, the photovoltaic panel mounting components are fastened to the first middle plate, steel pipe purlin and fixing plate by U-bolts and nuts. In windy weather, the photovoltaic panels are prone to shaking, which can cause the nuts to loosen or even fall off, thus causing the photovoltaic panels to fall off the steel pipe purlin. Utility Model Content
[0005] The purpose of this utility model is to provide a photovoltaic panel fixing device to solve the technical problem in the prior art that photovoltaic panels are prone to shaking under windy weather conditions, which can lead to loosening or even falling off of the nuts.
[0006] To achieve this objective, the present invention adopts the following technical solution:
[0007] A photovoltaic panel fixing device, comprising:
[0008] The first fastener includes a first base plate, the two sides of the first base plate are bent vertically upward to form a first side plate, and both first side plates are bent outward in the horizontal direction to form a first overlapping part. A first through hole is provided on the first base plate.
[0009] The second fastener includes a second base plate, one side of which is bent vertically upward to form a second side plate, the second side plate is bent outward in the horizontal direction to form a second overlapping part, the other side of which is bent vertically downward to form a third side plate, and a second through hole is provided on the second base plate.
[0010] Fasteners, including bolts and anti-loosening nuts, wherein the first fastener can overlap the edge strips of two adjacent photovoltaic panels through the first overlapping portion, the bolt can pass through the first through hole and the anti-loosening nut can fasten the first fastener to the purlin at the bottom of the photovoltaic panel, the second fastener can overlap the edge strip of a single photovoltaic panel through the second overlapping portion, the bolt can pass through the second through hole and the anti-loosening nut can fasten the second fastener to the purlin at the bottom of the photovoltaic panel.
[0011] Optionally, the photovoltaic panel fixing device includes two first fixing members, which can overlap with the edge strips of two adjacent photovoltaic panels through the first overlapping portion. The fastener can simultaneously pass through the first through hole of the two first fixing members to fasten the two first fixing members to the purlin at the bottom of the photovoltaic panel.
[0012] Optionally, the photovoltaic panel fixing device includes two second fixing members, which can overlap with the edge strip of a single photovoltaic panel through the second overlapping portion. The fastener can simultaneously pass through the second through hole of the two second fixing members to fasten the two second fixing members to the purlin at the bottom of the photovoltaic panel.
[0013] Optionally, the fastener further includes a washer, and the bolt is a U-bolt, the two ends of which can pass through the washer and be fastened to the purlin at the bottom of the photovoltaic panel through the anti-loosening nut.
[0014] Optionally, the U-bolt integrates a spring damping structure, which can automatically increase the downward pressure.
[0015] Optionally, the lower end surfaces of both the first overlapping portion and the second overlapping portion are provided with anti-slip textures.
[0016] Optionally, both the first and second fasteners are made of aluminum alloy.
[0017] Optionally, a plurality of cross braces are provided between the two first side plates.
[0018] Optionally, the lower end of the third side panel is provided with an abutment portion.
[0019] Optionally, the surface of the fastener is coated with an anti-corrosion coating.
[0020] The beneficial effects of this utility model are:
[0021] This utility model provides a photovoltaic panel fixing device. A first fixing member can overlap the edge strips of two adjacent photovoltaic panels via a first overlapping portion. A bolt can pass through a first through hole and be secured to the purlin below the photovoltaic panel using an anti-loosening nut. A second fixing member can overlap the edge strip of a single photovoltaic panel via a second overlapping portion. A bolt can pass through a second through hole and be secured to the purlin below the photovoltaic panel using an anti-loosening nut. Fixing the photovoltaic panel with the first and second fixing members improves the connection strength between the photovoltaic panel and the steel pipe purlin. The use of anti-loosening nuts and bolts prevents the photovoltaic panel from shaking in windy conditions, which could cause the nuts to loosen and fall off, thus preventing the photovoltaic panel from detaching from the steel pipe purlin. Attached Figure Description
[0022] Figure 1 This is a side view of the first fixing member described in an embodiment of the present utility model;
[0023] Figure 2 This is an isometric view of the first fixing member described in this embodiment of the utility model;
[0024] Figure 3 This is a side view of the second fastener described in an embodiment of the present invention;
[0025] Figure 4 This is an isometric view of the second fastener described in this embodiment of the present invention;
[0026] Figure 5 This is a schematic diagram of the structure of the fastener described in an embodiment of this utility model.
[0027] In the picture:
[0028] 1. First fastener; 11. First base plate; 111. First through hole; 12. First side plate; 13. First overlapping part; 2. Second fastener; 21. Second base plate; 211. Second through hole; 22. Second side plate; 23. Second overlapping part; 24. Third side plate; 3. Fastener; 31. Bolt; 32. Washer. Detailed Implementation
[0029] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar parts or parts having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0030] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or 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 utility model according to the specific circumstances.
[0031] In the description of this utility model, unless otherwise expressly 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 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 directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0032] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.
[0033] like Figures 1-5 As shown, this utility model provides a photovoltaic panel fixing device, including a first fixing member 1, a second fixing member 2, and a fastener 3. The first fixing member 1 includes a first base plate 11, with both sides of the first base plate 11 bent vertically upwards to form first side plates 12. Both first side plates 12 are bent outwards horizontally to form first overlapping portions 13. A first through hole 111 is provided on the first base plate 11. The second fixing member 2 includes a second base plate 21, with one side of the second base plate 21 bent vertically upwards to form a second side plate 22. The second side plate 22 is bent outwards horizontally to form a second overlapping portion 23. The other side of the second base plate 21 is bent vertically downwards to form a third side plate 24. A second through hole 211 is provided on the second base plate 21. The fastener 3 includes a bolt 31 and an anti-loosening nut.
[0034] The first fixing member 1 can overlap with the edge strips of two adjacent photovoltaic panels through the first overlapping part 13. The bolt 31 can pass through the first through hole 111 and be fastened to the purlin below the photovoltaic panel by the anti-loosening nut. The second fixing member 2 can overlap with the edge strip of a single photovoltaic panel through the second overlapping part 23. The bolt 31 can pass through the second through hole 211 and be fastened to the purlin below the photovoltaic panel by the anti-loosening nut. By fixing the photovoltaic panel with the first fixing member 1 and the second fixing member 2, the connection between the photovoltaic panel and the steel pipe purlin is improved. The use of anti-loosening nuts and bolts 31 prevents the photovoltaic panel from shaking in windy weather, which could cause the nuts to loosen and fall off, thus preventing the photovoltaic panel from falling off the steel pipe purlin.
[0035] Specifically, the locknut can be a nylon insert nut, with a nylon ring embedded in the top of the nut, which generates friction when screwed in against the bolt thread. Locknuts can also be double nuts or flange-face locknuts.
[0036] Optionally, the photovoltaic panel fixing device includes two first fixing members 1. The two first fixing members 1 can overlap with the edge strips of two adjacent photovoltaic panels through the first overlapping part 13. Fasteners 3 can simultaneously pass through the first through holes 111 of the two first fixing members 1 to fasten the two first fixing members 1 to the purlins at the bottom of the photovoltaic panels. By setting two first fixing members 1, the pressing area of the photovoltaic panel fixing device on the two adjacent photovoltaic panels is increased, further improving the connection firmness between the two adjacent photovoltaic panels and the steel pipe purlins.
[0037] Furthermore, the photovoltaic panel fixing device includes two second fixing members 2. These two second fixing members 2 can overlap the edge strip of a single photovoltaic panel via a second overlapping portion 23. Fasteners 3 can simultaneously pass through the second through holes 211 of the two second fixing members 2 to secure them to the purlin below the photovoltaic panel. By providing two second fixing members 2, the pressing area of the photovoltaic panel fixing device on a single photovoltaic panel is increased, further enhancing the connection strength between the single photovoltaic panel and the steel pipe purlin.
[0038] Specifically, such as Figure 5 As shown, the fastener 3 also includes a washer 32, and the bolt 31 is a U-bolt. Both ends of the U-bolt can pass through the washer 32 and be fastened to the purlin at the bottom of the photovoltaic panel through anti-loosening nuts. The use of U-bolts and washers 32 makes the connection between the two first fasteners 1 or the two second fasteners 2 and the purlin at the bottom of the photovoltaic panel more secure.
[0039] Optionally, the U-bolt integrates a spring damping structure that automatically increases downward pressure. The spring type is either a compression spring or a disc spring, pre-installed inside the threaded shank of the U-bolt or below the nuts at both ends. The damping mechanism uses a spring coaxially arranged with the bolt threaded shank. Initial elastic force is generated through pre-compression. When the photovoltaic panel is subjected to vibration, the spring is further compressed, increasing the downward pressure. Specifically, the threaded shank of the U-bolt is designed as a hollow tube with a spring installed inside. The spring is pre-tightened at the top via an adjustable plug. After the bolt is tightened, the spring continuously pushes the nut outward, counteracting any loosening tendency.
[0040] For example, the lower end surfaces of the first overlapping portion 13 and the second overlapping portion 23 are provided with anti-slip textures to improve the friction between the first overlapping portion 13 and the second overlapping portion 23 and the photovoltaic panel.
[0041] Specifically, both the first fixing component 1 and the second fixing component 2 are made of aluminum alloy, which can significantly improve the lightweight performance, corrosion resistance and installation efficiency of the photovoltaic panel fixing device, while also taking into account the structural strength.
[0042] Furthermore, multiple cross braces are provided between the two first side plates 12. By providing multiple cross braces, the structural strength of the first fastener 1 is further improved, and the service life of the first fastener 1 is extended.
[0043] Optionally, the lower end of the third side plate 24 is provided with an abutment portion, which makes the abutment relationship between the third side plate 24 of the second fastener 2 and the purlin at the bottom of the photovoltaic panel more stable, and further improves the fixing effect of the photovoltaic panel fixing device on the photovoltaic panel.
[0044] For example, the surface of the fastener 3 is coated with an anti-corrosion coating, which improves the corrosion resistance of the fastener 3, forms a dense barrier on the surface of the fastener, blocks corrosive media such as moisture, oxygen, salt spray, and acid rain, and extends the service life of the fastener 3.
[0045] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. A photovoltaic panel fixing device, characterized in that, include: The first fastener (1) includes a first base plate (11), the two sides of the first base plate (11) are bent vertically upward to form a first side plate (12), the two first side plates (12) are bent outward in the horizontal direction to form a first overlapping part (13), and a first through hole (111) is provided on the first base plate (11). The second fastener (2) includes a second base plate (21), one side of the second base plate (21) is bent vertically upward to form a second side plate (22), the second side plate (22) is bent outward in the horizontal direction to form a second overlap (23), the other side of the second base plate (21) is bent vertically downward to form a third side plate (24), and a second through hole (211) is provided on the second base plate (21); Fastener (3) includes bolt (31) and anti-loosening nut. The first fastener (1) can overlap with the edge strips of two adjacent photovoltaic panels through the first overlapping part (13). The bolt (31) can pass through the first through hole (111) and fasten the first fastener (1) to the purlin at the bottom of the photovoltaic panel through the anti-loosening nut. The second fastener (2) can overlap with the edge strip of a single photovoltaic panel through the second overlapping part (23). The bolt (31) can pass through the second through hole (211) and fasten the second fastener (2) to the purlin at the bottom of the photovoltaic panel through the anti-loosening nut.
2. The photovoltaic panel fixing device according to claim 1, characterized in that, The photovoltaic panel fixing device includes two first fixing members (1). The two first fixing members (1) can overlap with the edge strips of two adjacent photovoltaic panels through the first overlapping part (13). The fastener (3) can simultaneously pass through the first through hole (111) of the two first fixing members (1) to fasten the two first fixing members (1) to the purlin at the bottom of the photovoltaic panel.
3. The photovoltaic panel fixing device according to claim 2, characterized in that, The photovoltaic panel fixing device includes two second fixing members (2), which can overlap with the edge strip of a single photovoltaic panel through the second overlapping part (23). The fastener (3) can simultaneously pass through the second through hole (211) of the two second fixing members (2) to fasten the two second fixing members (2) to the purlin at the bottom of the photovoltaic panel.
4. The photovoltaic panel fixing device according to claim 3, characterized in that, The fastener (3) also includes a washer (32), and the bolt (31) is a U-bolt. Both ends of the U-bolt can pass through the washer (32) and be fastened to the purlin at the bottom of the photovoltaic panel through the anti-loosening nut.
5. The photovoltaic panel fixing device according to claim 4, characterized in that, The U-bolt has an integrated spring damping structure that can automatically increase the downward pressure.
6. The photovoltaic panel fixing device according to any one of claims 1-5, characterized in that, The lower end surfaces of the first overlapping portion (13) and the second overlapping portion (23) are provided with anti-slip textures.
7. The photovoltaic panel fixing device according to any one of claims 1-5, characterized in that, Both the first fastener (1) and the second fastener (2) are made of aluminum alloy.
8. The photovoltaic panel fixing device according to any one of claims 1-5, characterized in that, Multiple cross bracing members are provided between the two first side plates (12).
9. The photovoltaic panel fixing device according to any one of claims 1-5, characterized in that, The lower end of the third side plate (24) is provided with an abutment part.
10. The photovoltaic panel fixing device according to any one of claims 1-5, characterized in that, The surface of the fastener (3) is coated with an anti-corrosion coating.