Purlin and photovoltaic tracking support

Abstract

The utility model discloses a kind of purline and photovoltaic tracking support, purline includes main part and two installation parts connected in the main part two sides, the main part is used to be connected with main shaft, the installation part is used to connect and support photovoltaic module;The main part includes first side wall part, second side wall part opposite with the first side wall part, third side wall part and fourth side wall part opposite with the third side wall part, the third side wall part connects the first side wall part with one installation part, the fourth side wall part connects the second side wall part with another installation part, the distance between the first side wall part and the second side wall part is d1, the minimum distance from the third side wall part to the fourth side wall part is d2, wherein, d1 is greater than d2, third side wall part and fourth side wall part are connected by first fastener.Such setting, it is favorable to improve the bending performance of purline.

Description

Technical Field

[0001] This utility model relates to a purlin and a photovoltaic tracking bracket, belonging to the field of photovoltaic technology. Background Technology

[0002] Purlins, as key components connecting the main shaft and photovoltaic modules, are widely used in photovoltaic power plants and must withstand significant wind loads during use. Currently, most purlins used for installing photovoltaic modules in the photovoltaic industry have a Z-shaped cross-section, which is prone to deformation under wind loads, and may even bend or twist, leading to damage to the photovoltaic support structure and increased maintenance costs. Utility Model Content

[0003] The purpose of this invention is to provide a purlin and photovoltaic tracking bracket with high bending resistance and resistance to deformation.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A purlin includes a main body and two mounting portions connected to both sides of the main body. The main body is used to connect to a main shaft, and the mounting portions are used to connect to and support photovoltaic modules.

[0006] The main body includes a first sidewall, a second sidewall opposite to the first sidewall, a third sidewall, and a fourth sidewall opposite to the third sidewall. The third sidewall connects the first sidewall to one of the mounting parts, and the fourth sidewall connects the second sidewall to another mounting part. The distance between the first sidewall and the second sidewall is d1, and the minimum distance between the third sidewall and the fourth sidewall is d2, wherein d1 is greater than d2.

[0007] The third sidewall portion and the fourth sidewall portion are connected by a first fastener.

[0008] As a further improvement of the present invention, the third sidewall portion includes a first wall section and a second wall section connected to the first wall section. The first wall section is connected to the first sidewall portion, and the second wall section is connected to one of the mounting portions. The fourth sidewall portion includes a third wall section and a fourth wall section connected to the third wall section. The third wall section is connected to the second sidewall portion, and the fourth wall section is connected to another mounting portion.

[0009] The second wall segment is parallel to the fourth wall segment, and the distance between the second wall segment and the fourth wall segment is d2.

[0010] As a further improvement of the present invention, the first wall section is inclined relative to the second wall section, and the third wall section is inclined relative to the fourth wall section.

[0011] As a further improvement of the present invention, the angle between the first wall segment and the second wall segment is α, and the angle between the third wall segment and the fourth wall segment is β, wherein α > 90°, β > 90°, and α = β.

[0012] As a further improvement of the present invention, the first wall segment is perpendicular to the second wall segment, and the third wall segment is perpendicular to the fourth wall segment.

[0013] As a further improvement of the present invention, the second section wall is provided with a first through hole, and the fourth section wall is provided with a second through hole. The first through hole and the second through hole are opposite to each other, and the first through hole and the second through hole are used together for the first fastener to pass through.

[0014] As a further improvement of the present invention, the mounting part is provided with a third through hole, which is used for the second fastener to pass through. The second fastener is connected to the photovoltaic module. The third through hole is an elliptical hole and extends along the width direction of the mounting part.

[0015] As a further improvement of the present invention, the main body also includes a bottom wall portion, which is vertically connected to the first side wall portion and the second side wall portion. The bottom wall portion is provided with a fourth through hole, which is used for a third fastener to pass through. The third fastener is connected to the main shaft.

[0016] As a further improvement of this utility model, the width of the mounting part is greater than the width of the bottom wall part.

[0017] The purlin provided by this utility model includes a first sidewall portion, a second sidewall portion, a third sidewall portion, and a fourth sidewall portion. The distance between the first sidewall portion and the second sidewall portion is greater than the minimum distance between the third sidewall portion and the fourth sidewall portion, so that the first sidewall portion and the third sidewall portion are connected to form a bent structure, and the second sidewall portion and the fourth sidewall portion are connected to form a bent structure, so that the opening of the purlin is narrowed inward, which helps to improve the bending resistance of the purlin, making it less prone to deformation under wind load and increasing the service life of the purlin.

[0018] To achieve the above objectives, the present invention adopts the following technical solution:

[0019] A photovoltaic tracking bracket, comprising:

[0020] Spindle, fasteners, and purlins;

[0021] The main body is connected to the main shaft via the fastener.

[0022] The photovoltaic tracking bracket provided by this utility model includes purlins, which have good bending resistance, making the photovoltaic tracking bracket structure stable and reducing the risk of deformation. Attached Figure Description

[0023] Figure 1 This is a three-dimensional schematic diagram of the purlin of this utility model;

[0024] Figure 2 yes Figure 1 A three-dimensional schematic diagram of the purlin from another angle;

[0025] Figure 3 yes Figure 1 The front view of the purlin shown;

[0026] Figure 4 yes Figure 1 Side view of the purlin shown;

[0027] Figure 5 yes Figure 1 The top view of the purlin shown. Detailed Implementation

[0028] The exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. If several embodiments exist, features in these embodiments may be combined with each other without conflict. When the description refers to the drawings, unless otherwise stated, the same numbers in different drawings represent the same or similar elements. The descriptions in the following exemplary embodiments do not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatuses, products, and / or methods consistent with some aspects of the present invention as set forth in the claims.

[0029] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the scope of protection of this invention. The singular forms “a,” “the,” or “the” used in the specification and claims of this invention are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0030] It should be understood that the terms "first," "second," and similar words used in the specification and claims of this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish the features. Similarly, the terms "an" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one. Unless otherwise stated, the terms "before," "after," "upper," "lower," and similar words appearing in this utility model are for ease of explanation only and are not limited to a specific location or spatial orientation. The terms "comprising" or "including" are an open-ended expression, meaning that the element preceding "comprising" or "including" covers the element following "comprising" or "including" and its equivalents, which does not exclude that the element preceding "comprising" or "including" may also include other elements. In this utility model, the word "several" means two or more.

[0031] Please refer to Figures 1 to 5 As shown, this utility model discloses a purlin, which includes a main body 1 and two mounting parts 2 connected to both sides of the main body 1. The main body 1 is used to connect to the main shaft, and the mounting parts 2 are used to connect to and support photovoltaic modules.

[0032] For details, please refer to Figure 2 As shown, the main body 1 includes a first sidewall portion 11, a second sidewall portion 12 opposite to the first sidewall portion 11, a third sidewall portion 13, a fourth sidewall portion 14 opposite to the third sidewall portion 13, and a bottom wall portion 15. The third sidewall portion 13 connects the first sidewall portion 11 to one of the mounting portions 2, and the fourth sidewall portion 14 connects the second sidewall portion 12 to the other mounting portion 2. The bottom wall portion 15 is perpendicularly connected to the first sidewall portion 11 and the second sidewall portion 12. Please refer to... Figure 3 As shown, the distance between the first sidewall portion 11 and the second sidewall portion 12 is d1, and the minimum distance between the third sidewall portion 13 and the fourth sidewall portion 14 is d2, where d1 is greater than d2. This invention, by setting the distance between the first sidewall portion 11 and the second sidewall portion 12 to be greater than the minimum distance between the third sidewall portion 13 and the fourth sidewall portion 14, ensures that both sidewall portions between the two mounting portions 2 and the bottom wall portion 15 are bent structures. Furthermore, the portions of the two sidewall portions near the purlin opening are close to each other, causing the purlin opening to taper inwards. This improves the purlin's bending resistance, making it less prone to deformation under wind loads and increasing its service life.

[0033] Please refer to Figure 3 As shown, the first sidewall portion 11 is parallel to the second sidewall portion 12 and has the same height. The height of the third sidewall portion 13 is equal to the height of the fourth sidewall portion 14, and the height of the first sidewall portion 11 is greater than the height of the third sidewall portion 13. This makes the space enclosed by the first sidewall portion 11, the second sidewall portion 12 and the bottom wall portion 15 larger, which facilitates the assembly of the main body portion 1 and the main shaft.

[0034] Please refer to Figure 3 As shown, the third sidewall portion 13 includes a first wall section 131 and a second wall section 132 connected to the first wall section 131. The first wall section 131 is connected to the first sidewall portion 11, and the second wall section 132 is connected to one of the mounting portions 2. The fourth sidewall portion 14 includes a third wall section 141 and a fourth wall section 142 connected to the third wall section 141. The third wall section 141 is connected to the second sidewall portion 12, and the fourth wall section 142 is connected to another mounting portion 2. The second wall section 132 and the fourth wall section 142 are parallel, and the distance between the second wall section 132 and the fourth wall section 142 is d2. That is, the minimum distance from the third sidewall portion 13 to the fourth sidewall portion 14 is the distance between the second wall section 132 and the fourth wall section 142. The second wall section 132 and the fourth wall section 142 are connected to the two mounting portions 2, causing the purlin opening to taper inward.

[0035] In some implementation methods, please refer to Figure 3 As shown, the first wall segment 131 is inclined relative to the second wall segment 132, and the third wall segment 141 is inclined relative to the fourth wall segment 142. Specifically, the angle between the first wall segment 131 and the second wall segment 132 is α, and the angle between the third wall segment 141 and the fourth wall segment 142 is β, where α > 90°, β > 90°, and α = β. Of course, in other possible embodiments, the first wall segment 131 is perpendicular to the second wall segment 132, and the third wall segment 141 is perpendicular to the fourth wall segment 142. The first wall segment 131 is perpendicular to the first side wall segment 11, and the third wall segment 141 is perpendicular to the second side wall segment 12.

[0036] Please refer to Figure 2 and Figure 4 As shown, the second wall section 132 is provided with a first through hole 1321, and the fourth wall section 142 is provided with a second through hole 1421. The first through hole 1321 and the second through hole 1421 are opposite each other, and the first through hole 1321 and the second through hole 1421 are used together for the first fastener to pass through. After the purlin is assembled, the second wall section 132 and the fourth wall section 142 are locked by the first fastener, so that the cross-section of the purlin forms a closed structure, avoiding the problem of purlin opening tearing due to purlin stress, and also increasing the purlin's bending resistance.

[0037] Please refer to Figure 2 As shown, the bottom wall portion 15 is provided with a fourth through hole 151, which is used for the third fastener to pass through and the third fastener is connected to the main shaft.

[0038] Please refer to Figure 1 and Figure 5As shown, the mounting part 2 is provided with a third through hole 21, which is used for a second fastener to pass through and connect to the photovoltaic module. The third through hole 21 is an elliptical hole and extends along the width direction of the mounting part 2. This avoids situations where the mounting part 2 and the photovoltaic module cannot be connected.

[0039] In some implementations. Please refer to [the relevant documentation]. Figure 3 As shown, along the width direction W of the purlin, the width of the mounting part 2 is greater than the width of the bottom wall part 15. Because the purlin opening is set to taper inward, the width of the mounting part 2 is increased, which increases the contact area between the purlin and the photovoltaic module, reduces local stress, and helps to reduce local buckling of the purlin and improve structural reliability.

[0040] This utility model also discloses a photovoltaic tracking bracket, including: a main shaft, a fixing member and the aforementioned purlin, with the main body 1 connected to the main shaft through the fixing member.

[0041] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. The understanding of the present utility model should be based on those skilled in the art. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still make modifications or equivalent substitutions to the present utility model. All technical solutions and improvements that do not depart from the spirit and scope of the present utility model should be covered within the scope of the claims of the present utility model.

Claims

1. A purlin, characterized in that, It includes a main body (1) and two mounting parts (2) connected to both sides of the main body (1). The main body (1) is used to connect to the main shaft, and the mounting parts (2) are used to connect to and support the photovoltaic module. The main body (1) includes a first sidewall (11), a second sidewall (12) opposite to the first sidewall (11), a third sidewall (13), and a fourth sidewall (14) opposite to the third sidewall (13). The third sidewall (13) connects the first sidewall (11) to one of the mounting parts (2), and the fourth sidewall (14) connects the second sidewall (12) to another mounting part (2). The distance between the first sidewall (11) and the second sidewall (12) is d1, and the minimum distance between the third sidewall (13) and the fourth sidewall (14) is d2, wherein d1 is greater than d2. The third sidewall portion (13) and the fourth sidewall portion (14) are connected by a first fastener.

2. The purlin as described in claim 1, characterized in that, The third sidewall portion (13) includes a first wall section (131) and a second wall section (132) connected to the first wall section (131). The first wall section (131) is connected to the first sidewall portion (11), and the second wall section (132) is connected to one of the mounting portions (2). The fourth sidewall portion (14) includes a third wall section (141) and a fourth wall section (142) connected to the third wall section (141). The third wall section (141) is connected to the second sidewall portion (12), and the fourth wall section (142) is connected to another mounting portion (2). The second wall segment (132) is parallel to the fourth wall segment (142), and the distance between the second wall segment (132) and the fourth wall segment (142) is d2.

3. The purlin as described in claim 2, characterized in that, The first wall section (131) is inclined relative to the second wall section (132), and the third wall section (141) is inclined relative to the fourth wall section (142).

4. The purlin as described in claim 3, characterized in that, The angle between the first wall segment (131) and the second wall segment (132) is α, and the angle between the third wall segment (141) and the fourth wall segment (142) is β, where α > 90°, β > 90°, and α = β.

5. The purlin as described in claim 2, characterized in that, The first wall segment (131) is perpendicular to the second wall segment (132), and the third wall segment (141) is perpendicular to the fourth wall segment (142).

6. The purlin as described in claim 2, characterized in that, The second wall section (132) is provided with a first through hole (1321), and the fourth wall section (142) is provided with a second through hole (1421). The first through hole (1321) and the second through hole (1421) are opposite to each other, and the first through hole (1321) and the second through hole (1421) are used together for the first fastener to pass through.

7. The purlin as described in claim 1, characterized in that, The mounting part (2) is provided with a third through hole (21), which is used for a second fastener to pass through. The second fastener is connected to the photovoltaic module. The third through hole (21) is an elliptical hole and extends along the width direction of the mounting part (2).

8. The purlin as described in claim 1, characterized in that, The main body (1) also includes a bottom wall (15), which is vertically connected to the first side wall (11) and the second side wall (12). The bottom wall (15) is provided with a fourth through hole (151), which is used for a third fastener to pass through. The third fastener is connected to the main shaft.

9. The purlin as described in claim 8, characterized in that, The width of the mounting part (2) is greater than the width of the bottom wall part (15).

10. A photovoltaic tracking bracket, characterized in that, include: The main shaft, the fixing element, and the purlin as described in any one of claims 1 to 9; The main body (1) is connected to the main shaft via the fastener.

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