Assembly frame and photovoltaic panel connecting and supporting structure capable of being connected at any angle

Through multiple square tubes and adjustable angle connection structures, the stress performance and installation difficulty of C-shaped steel profiles in the photovoltaic support frame are solved, and flexible installation and low noise photovoltaic panel support frames are realized, reducing cost and installation complexity .

CN119276196APending Publication Date: 2025-01-07WUHAN YANCHENG TECH CO LTD
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Patent Information

Application Number
CN202411474494.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-01-07

AI Technical Summary

Technical Problem

The existing photovoltaic support frames are made of C-shaped steel profiles that have problems such as impact on stress performance, high unit price, and high installation difficulty.

Method used

Multiple square tubes and multiple adjustable angle connection structures are adopted, and the palm structure, pipe clamp structure and pin shaft are connected to achieve any angle support of the photovoltaic panel, avoiding welding and hole punching, and simplifying the installation process.

Benefits of technology

It realizes a photovoltaic panel support frame with flexible installation, low noise, environmental protection and low cost, improving stress performance and installation convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an assembling frame and photovoltaic panel connecting and supporting structure capable of being connected at any angle, and belongs to the technical field of non-welding convenient assembling of steel structures and multi-specification pipes. The invention relates to a square-tube-type scaffold which comprises a first square tube, a second square tube and third square tubes, the first square tube and the second square tube are supporting tubes, one or more third square tubes are connected to the top of the first square tube and the top of the second square tube, a fourth square tube is transversely connected between the first square tube and the second square tube, and the first square tube, the second square tube, the third square tubes and the fourth square tube form a first structural frame; any angle between the third square tube and the first square tube can be adjusted through a first angle-adjustable connecting structure, any angle between the third square tube and the second square tube can be adjusted through a first angle-adjustable connecting structure, and the photovoltaic panel is fixed above the third square tube. The angle of the bottom supporting frame of the cover plate or the photovoltaic panel can be adjusted, noise is low, environment friendliness is achieved, and welding and punching are not needed.
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Description

Technical Field

[0001] The invention belongs to the technical field of non-welding convenient assembly of steel structures and multi-specification pipes, and specifically relates to an assembly frame and a photovoltaic panel connection support structure that can be connected at any angle. Background Art

[0002] The existing steel structure cover or photovoltaic panel bottom support frame structure is generally assembled by connecting with standard parts due to factors such as the use environment, construction conditions, and labor costs. At present, the photovoltaic support frame assembly method often uses C-shaped steel profiles as the main profile, and punches some mounting holes on the C-shaped steel profiles. The C-shaped steel profiles are connected with some sheet metal parts, and then fixed with standard parts.

[0003] There are the following shortcomings in building a photovoltaic support frame in this way:

[0004] (1) The cross-sectional shape of C-shaped steel profiles will affect its properties such as strain and stress when subjected to force.

[0005] (2) The unit price of C-shaped steel profiles and the punching process cost are higher when the material, size, thickness and length are the same.

[0006] (3) When installing C-shaped steel profiles, you need to pay attention to the opening direction, otherwise errors will occur in the subsequent installation, and C-shaped steel profiles are difficult to install. Summary of the invention

[0007] The purpose of the present invention is to solve the deficiencies of the above-mentioned background technology and to provide an assembly frame and photovoltaic panel connection support structure that can be connected at any angle.

[0008] The technical solution adopted by the present invention is: an assembly frame that can be connected at any angle and a photovoltaic panel connection support structure, including a first square tube, a second square tube, and a third square tube, the first square tube and the second square tube are support tubes, one or more of the third square tubes are connected to the top of the first square tube and the second square tube, a fourth square tube is horizontally connected between the first square tube and the second square tube, and the first square tube, the second square tube, the third square tube and the fourth square tube constitute a first structural frame; the third square tube and the first square tube are adjustable at any angle through a first adjustable angle connection structure, and the third square tube and the second square tube are adjustable at any angle through a first adjustable angle connection structure, and the photovoltaic panel is fixed above the third square tube.

[0009] A further preferred structure is that one or more auxiliary supporting square tubes and / or oblique connecting square tubes are connected between the fourth square tube and the third party tube, the first square tube, the second square tube, the third party tube, the fourth square tube and the auxiliary supporting square tubes and the connecting square tubes constitute a second structural frame, and the auxiliary supporting square tubes and the connecting square tubes are connected to the fourth square tube and the third party tube via a first adjustable angle connecting structure, a second adjustable angle connecting structure, or a third adjustable angle connecting structure.

[0010] A further preferred structure is that one or more oblique reinforcing support square tubes are connected between the first square tube and the fourth square tube or between the second square tube and the fourth square tube; the first square tube, the second square tube, the third square tube, the fourth square tube and the reinforcing support square tube constitute a third structural frame; each end of the reinforcing support square tube is connected to the first square tube or the second square tube and the fourth square tube via a first adjustable angle connecting structure.

[0011] In a further preferred structure, an oblique reinforcing support square tube is connected between the first square tube and the third party tube, the first square tube, the third party tube and the reinforcing support square tube constitute a fourth structural frame, and the end of the reinforcing support square tube is connected to the first square tube or the third party tube via a first adjustable angle connecting structure.

[0012] In a further preferred structure, the fourth square tube is connected to the first square tube and the second square tube respectively through a palm structure, a tube clamp structure and a pin.

[0013] A further preferred structure is that the first adjustable angle connection structure includes a palm structure, a tube clamp structure and a first connecting piece, the tube clamp structure and the palm structure are connected by the first connecting piece, the tube clamp structure and the first connecting piece are fixed by screws or pins, the palm structure and the first connecting piece are connected by a pin or a plug screw, and the palm structure can rotate around the pin.

[0014] A further preferred structure is that the second adjustable angle connection structure includes a palm structure, a tube clamp structure and a second connecting piece, the tube clamp structure and the palm structure are connected via the second connecting piece, the tube clamp structure and the second connecting piece are fixed via screws or pins, the palm structure and the second connecting piece are connected via a pin or a plug screw, and the palm structure can rotate around the pin.

[0015] A further preferred structure is that the third adjustable angle connection structure includes a palm structure, a tube clamp structure and a third connecting piece, the tube clamp structure and the palm structure are connected by the third connecting piece, the tube clamp structure and the third connecting piece are fixed by screws or pins, the palm structure and the third connecting piece are connected by a pin or a plug screw, and the palm structure can rotate around the pin.

[0016] A further preferred structure is that the pipe clamp structure includes an "L"-shaped component, two of the "L"-shaped components are buckled to form a square frame structure for clamping a square tube, the upper end face and the lower end face of the "L"-shaped component are respectively provided with connecting bosses, a plurality of first screw holes are opened on the connecting bosses, the upper and lower ends of the connecting bosses are respectively connected with first docking flanges, the first docking flanges are opened with first screw holes, the two "L"-shaped components are fitted together through the first docking flanges and fixedly connected by screws passing through the first screw holes and nuts to form a square frame structure, the two "L"-shaped components are buckled to form a square frame structure, the center of which is provided with a square hole for clamping the square tube, and the sides of the two "L"-shaped components are provided with first weight-reducing holes.

[0017] A further preferred structure is that the palm structure includes a "U"-shaped component, two of the "U"-shaped components are buckled to form a square frame structure for clamping square tubes, the "U"-shaped component includes a connecting support plate, a connecting flange is provided on the connecting support plate near one of the side surfaces, a first pin shaft hole is provided on the connecting flange, the other two symmetrical side surfaces of the connecting support plate are connected to a second docking flange, a plurality of hexagonal countersunk holes are provided on the second docking flange, a second screw through hole is provided in the hexagonal countersunk hole along the plane direction of the connecting flange, and a second weight-reducing hole is provided on the side surface of the connecting support plate.

[0018] A further preferred structure is that the first connecting member includes a first connecting plate, two opposite sides of the upper end of the first connecting plate are connected to a first rectangular flange, a second screw hole matching the first screw hole is provided on the first rectangular flange, and the other two opposite sides of the lower end of the first connecting plate are connected to a triangular flange, a second pin hole matching the first pin hole is provided on the triangular flange.

[0019] A further preferred structure is that the second connecting member includes a second connecting plate, two opposite side surfaces at the upper end of the second connecting plate are connected to a second rectangular flange, a third screw hole matching with the first screw hole is provided on the second rectangular flange, and the other two opposite side surfaces at the lower end of the second connecting plate are connected to an arc-shaped flange, third pin holes matching with the first pin holes are provided at two corners of the arc-shaped flange, and an arc groove is provided between the two third pin holes.

[0020] A further preferred structure is that the third connecting member includes a third connecting plate, two opposite side surfaces at the upper end of the third connecting plate are connected to a third rectangular flange, a fourth screw hole matching the first screw hole is provided on the third rectangular flange, and the other two opposite side surfaces at the lower end of the third connecting plate are connected to a quadrilateral flange, four fourth pin holes matching the first pin holes are provided on the quadrilateral flange, and the four fourth pin holes are distributed at two corners and a middle position of the top edge of the quadrilateral flange.

[0021] In a further preferred structure, the palm structure is provided with a hole, and the first square tube or the second square tube is provided with a hole at a corresponding position, and the palm structure is connected to the first square tube or the second square tube through the hole, thereby enhancing the ability of the third square tube to be pulled outward.

[0022] A further preferred structure is that two purlin square tubes are connected to form a rectangular tube by a clamp, the purlin square tube is locked with the mounting plate by a U-bolt and a nut, and the third-party tube is locked with the mounting plate by a U-bolt and a nut, so as to achieve a 90° overlap between the purlin square tube and the third-party tube.

[0023] In a further preferred structure, a cover plate or a photovoltaic panel is fixed above the third-party tube.

[0024] The present invention realizes the adjustable angle of the cover plate or the bottom support frame / structure frame of the photovoltaic panel through multiple square tubes and multiple adjustable angle connection structures. The installation is flexible, low-noise, environmentally friendly, does not require welding, does not require drilling, has a short installation period, and can be installed anytime and anywhere.

[0025] The assembly rack structure of the square tube and the adjustable angle connection structure of the present invention has a more advantageous cross-section than the assembly rack of C-shaped steel profiles, and the strain, stress and other properties when subjected to force will not be affected; the unit price of the square tube and the punching process cost are low when the material, outer size, thickness and length are the same; the installation is simple and it is not easy to make mistakes in the installation direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present invention;

[0027] Figure 2 This is a schematic diagram of the connection between the third square tube, the first square tube and the second square tube in Example 1 of the present invention;

[0028] Figure 3 This is a schematic diagram of a first adjustable angle connection structure of the present invention;

[0029] Figure 4 This is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0030] Figure 5 This is a schematic diagram of the connection between the auxiliary supporting square tube and the connecting square tube in Example 2 of the present invention;

[0031] Figure 6 This is a schematic diagram of another structural connection of connecting square tubes in Example 2 of the present invention;

[0032] Figure 7 This is a schematic diagram of another structural connection of the auxiliary supporting square tube and the connecting square tube in Example 2 of the present invention;

[0033] Figure 8 To strengthen the support of the square tube connection diagram;

[0034] Fig. 9 Schematic diagram of another structural connection for strengthening the support of square tubes;

[0035] Fig.10 This is a schematic diagram of the structure of the second connecting member of the present invention;

[0036] Fig.11 This is a schematic diagram of the structure of the third connecting piece of the present invention;

[0037] Fig.12 It is a schematic diagram of the structure of the pipe clamp of the present invention;

[0038] Fig.13 It is a front view of the palm structure of the present invention;

[0039] Fig.14 A side view of the palm structure of the present invention;

[0040] Fig.15 It is a schematic diagram of two purlin square tubes connected into a rectangular tube;

[0041] Fig.16 This is a schematic diagram of the connection between the purlin square tube and the third-party tube. DETAILED DESCRIPTION

[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not constitute a limitation on the present invention.

[0043] Example 1: Figure 1 As shown, the present invention provides an assembly frame and photovoltaic panel connection support structure that can be connected at any angle, including a first square tube 1, a second square tube 2, and a third party tube 3. The first square tube 1 and the second square tube 2 are support tubes. One or more third party tubes 3 are connected to the top of the first square tube 1 and the second square tube 2. The first square tube 1 and the second square tube 2 are horizontally connected with a fourth square tube 18. The first square tube 1, the second square tube 2, the third party tube 3 and the fourth square tube 18 constitute a first structural frame 7; the third party tube 3 and the first square tube 1 are adjustable at any angle through the first adjustable angle connection structure, and the third party tube 3 and the second square tube 2 are adjustable at any angle through the first adjustable angle connection structure. The fourth square tube 18 is connected to the first square tube 1 and the second square tube 2 respectively through a palm structure 9, a tube clamp structure 10 and a pin shaft. The cover plate or photovoltaic panel 5 is fixed on top of the third party tube 3.

[0044] like Figure 2 , Figure 3As shown, the first adjustable angle connection structure includes a palm structure 9, a tube clamp structure 10 and a first connecting member 11. The tube clamp structure 10 and the palm structure 9 are connected through the first connecting member 11. The tube clamp structure 10 and the first connecting member 11 are fixed by screws or pins. The palm structure 9 and the first connecting member 11 are connected by a pin 15 or a plug screw, and the palm structure 9 can rotate around the pin 15.

[0045] The first connecting member 11 includes a first connecting plate 111, two opposite side surfaces at the upper end of the first connecting plate 111 are connected to a first rectangular flange 112, a second screw hole 113 is provided on the first rectangular flange 112 and matches with the first screw hole 102, and the other two opposite side surfaces at the lower end of the first connecting plate 111 are connected to a triangular flange 114, a second pin hole 115 is provided on the triangular flange 114 and matches with the first pin hole 93.

[0046] like Fig.12 As shown, the pipe clamp structure 10 includes an "L"-shaped component, and two "L"-shaped components are buckled to form a square frame structure for clamping a square tube. The upper end face and the lower end face of the "L"-shaped component are respectively provided with connecting bosses 101, and a plurality of first screw holes 102 are opened on the connecting boss 101. The upper and lower ends of the connecting boss 101 are respectively connected with first docking flanges 103, and the first docking flanges 103 are opened on the first screw through holes 104. The two "L"-shaped components are fitted together through the first docking flanges 103 and are fixedly connected by screws passing through the first screw through holes 104 and nuts to form a square frame structure. The two "L"-shaped components are buckled to form a square frame structure, and a square hole 105 for clamping the square tube is opened in the center, and first weight reduction holes 106 are opened on the sides of the two "L"-shaped components.

[0047] like Fig.13 , Fig.14 As shown, the palm structure 9 includes a "U"-shaped component, and two "U"-shaped components are buckled to form a square frame structure for clamping the square tube. The "U"-shaped component includes a connecting support plate 91, and a connecting flange 92 is provided on the connecting support plate 91 near one of the side surfaces. A first pin shaft hole 93 is provided on the connecting flange a2, and the other two symmetrical side surfaces of the connecting support plate a1 are connected to a second docking flange 94, and a plurality of hexagonal countersunk holes 95 are provided on the second docking flange 94. A second screw through hole 96 is provided in the hexagonal countersunk hole 95 along the plane direction of the connecting flange 92, and a second weight reduction hole 97 is provided on the side of the connecting support plate 91.

[0048] During installation, first fix the first square tube 1 and the second square tube 2, then adjust the angle between the first square tube 1 and the third square tube 3 to θ; then install the third square tube 3 with the adjusted angle and the fixed second square tube 2 in a corresponding matching position, at this time, the third square tube 3 is relatively fixed to the first square tube 1 and the second square tube 2. Continue to fix the photovoltaic panel 5 on the third square tube 3 to support the photovoltaic panel 5.

[0049] Example 2: Figure 4 , Figure 5 As shown, one or more auxiliary supporting square tubes 19 and / or oblique connecting square tubes 20 are connected between the fourth square tube 18 and the third party tube 3, and the first square tube 1, the second square tube 2, the third party tube 3, the fourth square tube 18 and the auxiliary supporting square tube 19 and the connecting square tube 20 constitute a second structural frame 8, and the auxiliary supporting square tube 19 and the connecting square tube 20 are connected to the fourth square tube 18 and the third party tube 3 via a first adjustable angle connecting structure or a second adjustable angle connecting structure or a third adjustable angle connecting structure.

[0050] like Figure 5 As shown, in some optional embodiments, an end of an auxiliary supporting square tube 19 is connected to the ends of two third-party tubes 3 respectively via a first adjustable angle connection structure, an end of an auxiliary supporting square tube 19, an end of a connecting square tube 20 and the third-party tube 3 or the fourth square tube 18 are connected via a second adjustable angle connection structure, and the ends of the two connecting square tubes 20, an end of an auxiliary supporting square tube 19 and the fourth square tube 18 are connected via a third adjustable angle connection structure.

[0051] like Figure 6 As shown, in some optional embodiments, the ends of the two third-party tubes 3 are connected to each other via a fixing plate 21; the connecting square tube 20 is connected to the third-party tube 3 or the fourth square tube 18 via a first adjustable angle connection structure.

[0052] like Figure 7 As shown, in some optional embodiments, an end of a third-party tube 3 is connected to an end of an auxiliary supporting square tube 19 and an end of a connecting square tube 20 via a second adjustable angle connecting structure, an end of a connecting square tube 20 is connected to the third-party tube 3 via a first adjustable angle connecting structure, and the ends of the two connecting square tubes 20 are connected to the fourth square tube 18 via a second adjustable angle connecting structure.

[0053] like Figure 8 As shown, one or more oblique reinforcing support square tubes 22 are connected between the first square tube 1 and the fourth square tube 18 or between the second square tube 2 and the fourth square tube 18; the first square tube 1, the second square tube 2, the third square tube 3, the fourth square tube 18 and the reinforcing support square tube 22 constitute a third structural frame 23; and the end of each reinforcing support square tube 22 is connected to the first square tube 1 or the second square tube 2 and the fourth square tube 18 via a first adjustable angle connection structure.

[0054] like Fig. 9As shown, an oblique reinforcing support square tube 22 is connected between the first square tube 1 and the third party tube 3. The first square tube 1, the third party tube 3 and the reinforcing support square tube 22 constitute a fourth structural frame 24. The end of the reinforcing support square tube 22 is connected to the first square tube 1 or the third party tube 3 via a first adjustable angle connection structure.

[0055] like Figure 5 , Fig.10 As shown, the second adjustable angle connection structure includes a palm structure 9, a tube clamp structure 10 and a second connection member 16. The tube clamp structure 10 and the palm structure 9 are connected via the second connection member 16. The tube clamp structure 10 and the second connection member 16 are fixed via screws or pins. The palm structure 9 and the second connection member 16 are connected via a pin 15 or a plug screw, and the palm structure 9 can rotate around the pin 15.

[0056] The second connecting member 16 includes a second connecting plate 161, two opposite side surfaces at the upper end of the second connecting plate 161 are connected to a second rectangular flange 162, a third screw hole 163 is provided on the second rectangular flange 162 and matches with the first screw hole 102, the other two opposite side surfaces at the lower end of the second connecting plate 161 are connected to an arcuate flange 164, two corners of the arcuate flange 164 are provided with a third pin hole 165 which matches with the first pin hole 93, and an arc groove 166 is provided between the two third pin holes 165.

[0057] like Figure 5 , Fig.11 As shown, the third adjustable angle connection structure includes a palm structure 9, a tube clamp structure 10 and a third connecting member 17. The tube clamp structure 10 and the palm structure 9 are connected via the third connecting member 17. The tube clamp structure 10 and the third connecting member 17 are fixed via screws or pins. The palm structure 9 and the third connecting member 17 are connected via a pin 15 or a plug screw, and the palm structure 9 can rotate around the pin 15.

[0058] The third connecting member 17 includes a third connecting plate 171, two opposite side surfaces at the upper end of the third connecting plate 171 are connected to a third rectangular flange 172, a fourth screw hole 173 is provided on the third rectangular flange 172 and matches with the first screw hole 102, the other two opposite side surfaces at the lower end of the third connecting plate 171 are connected to a quadrilateral flange 174, four fourth pin holes 175 are provided on the quadrilateral flange 174 and match with the first pin hole 93, and the four fourth pin holes 175 are distributed at two corners and the middle position of the top edge of the quadrilateral flange 174.

[0059] like Fig.12As shown, the pipe clamp structure 10 includes an "L"-shaped component, and two "L"-shaped components are buckled to form a square frame structure for clamping a square tube. The upper end face and the lower end face of the "L"-shaped component are respectively provided with connecting bosses 101, and a plurality of first screw holes 102 are opened on the connecting boss 101. The upper and lower ends of the connecting boss 101 are respectively connected with first docking flanges 103, and the first docking flanges 103 are opened on the first screw through holes 104. The two "L"-shaped components are fitted together through the first docking flanges 103 and are fixedly connected by screws passing through the first screw through holes 104 and nuts to form a square frame structure. The two "L"-shaped components are buckled to form a square frame structure, and a square hole 105 for clamping the square tube is opened in the center, and first weight reduction holes 106 are opened on the sides of the two "L"-shaped components.

[0060] like Fig.13 , Fig.14 As shown, the palm structure 9 includes a "U"-shaped component, and two "U"-shaped components are buckled to form a square frame structure for clamping the square tube. The "U"-shaped component includes a connecting support plate 91, and a connecting flange 92 is provided on the connecting support plate 91 near one of the side surfaces. A first pin shaft hole 93 is provided on the connecting flange a2, and the other two symmetrical side surfaces of the connecting support plate a1 are connected to a second docking flange 94, and a plurality of hexagonal countersunk holes 95 are provided on the second docking flange 94. A second screw through hole 96 is provided in the hexagonal countersunk hole 95 along the plane direction of the connecting flange 92, and a second weight reduction hole 97 is provided on the side of the connecting support plate 91.

[0061] In some optional embodiments, such as Figure 1 As shown, a hole 14 is provided on the palm structure 9, and a hole is provided on the corresponding position of the first square tube 1 or the second square tube 2, and the palm structure 9 is connected to the first square tube 1 or the second square tube 2 through the hole 14 on the palm structure 9. Figure 2 As shown, the two third-party tubes 3 are connected to the purlin square tube 4, as shown in FIG. Fig.15 , 16 As shown, two purlin square tubes 4 are connected into a rectangular tube by a clamp 25, the purlin square tube 4 is locked with the mounting plate 6 by a U-bolt 12 and a nut 13, and the third-party tube 3 is locked with the mounting plate 6 by a U-bolt 12 and a nut 13, so as to realize a 90° overlap between the purlin square tube 4 and the third-party tube 3.

[0062] The present invention connects a plurality of square tubes through the first adjustable angle connection structure, the second adjustable angle connection structure and the third adjustable angle connection structure, namely the first connection member 11, the second connection member 16 and the third connection member 17 with the palm structure 9 and the tube clamp structure 10, not only forming Figure 1 , Figure 4 The first structural frame 7 and the second structural frame 8, Figure 8 , Fig. 9 The third structural frame 23 and the fourth structural frame 24 can also be arbitrarily combined to form a variety of triangular or quadrilateral truss structures.

[0063] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. An assembly frame and a photovoltaic panel connection support structure that can be connected at any angle, comprising a first square tube (1), a second square tube (2), and a third square tube (3), wherein the first square tube (1) and the second square tube (2) are support tubes, one or more third square tubes (3) are connected to the top of the first square tube (1) and the second square tube (2), a fourth square tube (18) is transversely connected between the first square tube (1) and the second square tube (2), and the first square tube (1), the second square tube (2), the third square tube (3) and the fourth square tube (18) constitute a first structural frame (7); characterized in that: The third-party tube (3) and the first square tube (1) are adjustable at any angle via a first adjustable angle connection structure, the third-party tube (3) and the second square tube (2) are adjustable at any angle via a first adjustable angle connection structure, and the photovoltaic panel (5) is fixed above the third-party tube (3).

2. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 1, characterized in that: One or more auxiliary supporting square tubes (19) and / or oblique connecting square tubes (20) are connected between the fourth square tube (18) and the third square tube (3); the first square tube (1), the second square tube (2), the third square tube (3), the fourth square tube (18), the auxiliary supporting square tube (19), and the connecting square tube (20) form a second structural frame (8); the auxiliary supporting square tube (19) and the connecting square tube (20) are connected to the fourth square tube (18) and the third square tube (3) via a first adjustable angle connecting structure, a second adjustable angle connecting structure, or a third adjustable angle connecting structure.

3. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 1, characterized in that: One or more oblique reinforcing support square tubes (22) are connected between the first square tube (1) and the fourth square tube (18) or between the second square tube (2) and the fourth square tube (18); the first square tube (1), the second square tube (2), the third square tube (3), the fourth square tube (18) and the reinforcing support square tube (22) form a third structural frame (23); and the end of each reinforcing support square tube (22) is connected to the first square tube (1) or the second square tube (2) and the fourth square tube (18) via a first adjustable angle connection structure.

4. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 1, characterized in that: An oblique reinforcing support square tube (22) is connected between the first square tube (1) and the third party tube (3); the first square tube (1), the third party tube (3) and the reinforcing support square tube (22) form a fourth structural frame (24); and the end of the reinforcing support square tube (22) is connected to the first square tube (1) or the third party tube (3) via a first adjustable angle connection structure.

5. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 1, characterized in that: The first adjustable angle connection structure comprises a palm structure (9), a tube clamp structure (10) and a first connection piece (11); the tube clamp structure (10) and the palm structure (9) are connected via the first connection piece (11); the tube clamp structure (10) and the first connection piece (11) are fixed via screws or pins; the palm structure (9) and the first connection piece (11) are connected via a pin (15) or a plug screw; and the palm structure (9) can rotate around the pin (15).

6. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 2, characterized in that: The second adjustable angle connection structure comprises a palm structure (9), a tube clamp structure (10) and a second connection member (16); the tube clamp structure (10) and the palm structure (9) are connected via the second connection member (16); the tube clamp structure (10) and the second connection member (16) are fixed via screws or pins; the palm structure (9) and the second connection member (16) are connected via a pin (15) or a plug screw; and the palm structure (9) can rotate around the pin (15).

7. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 2, characterized in that: The third adjustable angle connection structure comprises a palm structure (9), a tube clamp structure (10) and a third connection piece (17); the tube clamp structure (10) and the palm structure (9) are connected via the third connection piece (17); the tube clamp structure (10) and the third connection piece (17) are fixed via screws or pins; the palm structure (9) and the third connection piece (17) are connected via a pin (15) or a plug screw; and the palm structure (9) can rotate around the pin (15).

8. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 5, 6 or 7, characterized in that: The pipe clamp structure (10) comprises an "L"-shaped component, two of the "L"-shaped components are buckled to form a square frame structure for clamping a square pipe, the upper end surface and the lower end surface of the "L"-shaped component are respectively provided with a connecting boss (101), a plurality of first screw holes (102) are provided on the connecting boss (101), the upper and lower ends of the connecting boss (101) are respectively connected with first docking flanges (103), the first docking flange (103) is provided with a first screw through hole (104), the two "L"-shaped components are fitted together through the first docking flanges (103) and are fixedly connected by screws passing through the first screw through holes (104) and nuts to form a square frame structure, the two "L"-shaped components are buckled to form a square frame structure, the center of which is provided with a square hole (105) for clamping a square pipe, and the sides of the two "L"-shaped components are provided with first weight-reducing holes (106).

9. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 8, characterized in that: The palm structure (9) comprises a U-shaped component, two of the U-shaped components are buckled to form a square frame structure for clamping a square tube, the U-shaped component comprises a connecting support plate (91), a connecting flange (92) is provided on the connecting support plate (91) near one of the side surfaces, a first pin shaft hole (93) is provided on the connecting flange (a2), the other two symmetrical side surfaces of the connecting support plate (a1) are connected to a second docking flange (94), a plurality of hexagonal countersunk holes (95) are provided on the second docking flange (94), a second screw through hole (96) is provided in the hexagonal countersunk hole (95) along the plane direction of the connecting flange (92), and a second weight reduction hole (97) is provided on the side surface of the connecting support plate (91).

10. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 9, characterized in that: The first connecting member (11) comprises a first connecting plate (111), wherein two opposite side surfaces at the upper end of the first connecting plate (111) are connected to a first rectangular flange (112), and a second screw hole (113) matching with the first screw hole (102) is provided on the first rectangular flange (112); and the other two opposite side surfaces at the lower end of the first connecting plate (111) are connected to a triangular flange (114), and a second pin hole (115) matching with the first pin hole (93) is provided on the triangular flange (114).

11. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 9, characterized in that: The second connecting member (16) comprises a second connecting plate (161), wherein two opposite side surfaces at the upper end of the second connecting plate (161) are connected to a second rectangular flange (162), a third screw hole (163) cooperating with the first screw hole (102) is provided on the second rectangular flange (162), and the other two opposite side surfaces at the lower end of the second connecting plate (161) are connected to an arc flange (164), and third pin holes (165) cooperating with the first pin holes (93) are provided at two corners of the arc flange (164), and an arc groove (166) is provided between the two third pin holes (165).

12. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 9, characterized in that: The third connecting member (17) comprises a third connecting plate (171), two opposite side surfaces of the upper end of the third connecting plate (171) are connected to a third rectangular flange (172), a fourth screw hole (173) cooperating with the first screw hole (102) is provided on the third rectangular flange (172), the other two opposite side surfaces of the lower end of the third connecting plate (171) are connected to a quadrilateral flange (174), four fourth pin holes (175) cooperating with the first pin holes (93) are provided on the quadrilateral flange (174), and the four fourth pin holes (175) are distributed at two corners and a middle position of the top edge of the quadrilateral flange (174).

13. The assembly frame and photovoltaic panel connection support structure that can be connected at any angle according to claim 1, characterized in that: Two purlin square tubes (4) are connected to form a rectangular tube via a clamp (25); the purlin square tube (4) is locked with a mounting plate (6) via a U-shaped bolt (12) and a nut (13); the third-party tube (3) is locked with a mounting plate (6) via a U-shaped bolt (12) and a nut (13), so that the purlin square tube (4) and the third-party tube (3) are overlapped at 90 degrees.