Photovoltaic laminated foldable expansion mechanism

Abstract

The utility model relates to a photovoltaic laminated foldable expansion mechanism, which belongs to the field of photovoltaic technology and comprises a heavy rotating base, a nested upright post, a rotating ear sleeve piece, a middle top frame, a power mounting frame, a power cylinder body, a first-layer folding frame, a second-layer expansion frame, a third-layer expansion frame and an anti-sinking adjustable component. The heavy rotating base is composed of a bottom flange, an outer tooth type double-row four-point contact ball turntable bearing, a heavy heaven and earth shaft and a flange plate. The nested stand column is composed of a power cylinder, a heavy seamless pipe and a heavy movable seamless pipe, and the power cylinder, the heavy seamless pipe and the heavy movable seamless pipe are integrated on the upper surface of the flange plate. The photovoltaic laminated foldable expansion mechanism has the advantage of high space utilization rate, the unique laminated design is adopted, so that photovoltaic panels can be tightly stacked in a non-use state, the space required by storage and transportation is greatly reduced, and compared with a traditional method, more photovoltaic modules can be transported in the same volume.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic technology field, concretely is a photovoltaic laminated foldable expansion mechanism. BACKGROUND

[0002] With the growth of global demand for renewable energy, solar energy as a clean, sustainable energy form has received widespread attention. Photovoltaic panels, as the core equipment for converting solar energy into electrical energy, play an important role in distributed power generation systems. However, the traditional fixed photovoltaic panel installation method usually requires a large space, and there are many inconveniences in transportation and construction process. In recent years, in order to adapt to different application scenarios, such as mobile emergency power supply, temporary event power supply, etc., various folding or expandable photovoltaic panel designs have appeared. Although these designs have improved the portability and application range of photovoltaic panels to some extent, they still have problems such as low efficiency, complex structure, and inconvenient maintenance.

[0003] However, the existing folding photovoltaic panel technology mainly has the following defects and deficiencies: 1. Efficiency problem: some designs use complex mechanical structures, which reduces the energy conversion efficiency. For example, some automatic turnover mechanisms increase energy consumption and reduce the reliability of the overall system due to the existence of frequent moving parts. 2. Structural complexity: many existing folding photovoltaic panel designs are too complex, increasing the manufacturing cost and maintenance difficulty. 3. Portability and ease of use: some products on the current market claim to have good portability, but they do not fully meet the needs of users in actual operation. 4. Adaptability limitation: most of the current folding photovoltaic panel designs do not fully consider the use requirements under different terrain conditions, limiting their application range. For example, in complex or uneven terrain, how to ensure the effective expansion and stable work of the photovoltaic panel is still a challenge.

[0004] In view of the above problems, the present application provides a new photovoltaic panel laminated foldable expansion mechanism, which solves a series of problems such as low efficiency, complex structure, poor portability and adaptability limitation in the prior art through unique design, greatly improves the transportation convenience and on-site construction efficiency of photovoltaic panels, and this design is expected to significantly improve the flexibility and economy of photovoltaic power generation system. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides a photovoltaic laminated foldable expansion mechanism, which has the advantages of convenient transportation, rapid construction, etc., and solves a series of problems such as low efficiency, complex structure, poor portability and adaptability limitation of the current folding photovoltaic panel.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a photovoltaic laminated foldable expansion mechanism, including heavy rotating base, nested stand, rotating ear kit, middle top frame, power mounting frame, power cylinder, first layer folding frame, second layer expansion frame, third layer expansion frame, anti-sinking adjustable assembly;

[0007] The heavy rotating base is composed of a bottom flange, an outer-tooth double-row four-point contact ball rotary disc bearing, a heavy ceiling shaft and a flange plate.

[0008] The nested stand is composed of a power cylinder, a heavy seamless pipe and a heavy movable seamless pipe, and the power cylinder, the heavy seamless pipe and the heavy movable seamless pipe are integrated on the upper surface of the flange plate.

[0009] The rotating ear kit is composed of a heavy steel plate, a heavy channel steel, an angle steel, a universal steel wheel, a thick-walled sleeve, high-strength bolts and nuts and a heavy rotating shaft, and the rotating ear kit is assembled with the heavy movable seamless pipe.

[0010] The middle top frame is composed of a profile, a power mounting frame, a first layer folding frame and a connecting ear, and the two sides of the profile are reinforced in the form of a flower beam, and the first layer folding frame is assembled with the middle top frame through the connecting ear.

[0011] Further, the outer-tooth double-row four-point contact ball rotary disc bearing is assembled on the upper surface of the bottom flange to enable the outer-tooth double-row four-point contact ball rotary disc bearing to rotate normally and stably, and the flange plate is assembled above the outer-tooth double-row four-point contact ball rotary disc bearing.

[0012] Further, the heavy ceiling shaft is fixed to the inner side of the outer-tooth double-row four-point contact ball rotary disc bearing and is fixed with the lower surface of the flange plate.

[0013] Further, the heavy movable seamless pipe is connected with the heavy seamless pipe in an extendable and retractable mode, the heavy seamless pipe is hollow inside, and the bottom end of the heavy movable seamless pipe extends into the heavy seamless pipe.

[0014] Further, the power cylinder is fixed inside the heavy seamless pipe, the output end of the power cylinder is fixed with the bottom end of the heavy movable seamless pipe, so that the heavy movable seamless pipe can be vertically extended and retracted and rotated along the Z axis.

[0015] Further, under the condition that the heavy movable seamless pipe is fixed, the rotating ear kit can be rotated along the XY or YZ direction, and the heavy channel steel and the angle steel are fixed to the lower surface of the heavy steel plate through the high-strength bolts and nuts.

[0016] Further, the thick-walled sleeve is fixed to the top end of the heavy-duty movable seamless pipe through high-strength bolt nuts, the number of the universal steel wheels is six, and the six universal steel wheels are distributed as four on the top and two on the bottom, the four universal steel wheels on the top are equidistantly welded to the lower surface of the heavy-duty steel plate, the two universal steel wheels on the bottom are symmetrically welded to the top side of the thick-walled sleeve, and the six universal steel wheels are connected through the heavy-duty rotating shaft to realize rotating cooperation.

[0017] Further, the middle top frame is integrated with the rotating ear sleeve assembly, the heavy-duty steel plate is fixed to the lower surface of the middle top frame through high-strength bolt nuts, the third layer of expansion frames are assembled with the second layer of expansion frames, and the second layer of expansion frames are matched with the first layer of folding frames.

[0018] Further, the first layer of folding frames are composed of section bars, slide rail pulleys, suspension rail hanger pulleys, and are reinforced in the form of flower beams on both sides, and the first layer of folding frames realize 0-90 degree adjustment through the power cylinder.

[0019] The second layer of expansion frames and the third layer of expansion frames are all composed of section bars, slide rails, pulleys, suspension rails and hanger pulleys, and the power cylinder has two groups and is arranged in two layers.

[0020] Further, the anti-sinking adjustable assembly is assembled with the rotating ear sleeve assembly and the power mounting frame, so that the sinking amount of the two sides of the middle top frame is kept within a controllable range, the anti-sinking adjustable assembly is composed of heavy-duty pipes, threaded rods, adjusting nuts and flange plates, and the anti-sinking adjustable assembly is hinged between the rotating ear sleeve assembly and the power mounting frame.

[0021] Compared with the prior art, the photovoltaic laminated foldable expansion mechanism has the following advantages:

[0022] 1. The photovoltaic laminated foldable expansion mechanism has the advantages of high space utilization, unique laminated design, tight stacking of photovoltaic panels in non-use state, greatly reduced storage and transportation space, and transportation of more photovoltaic components in the same volume compared with traditional methods.

[0023] 2. The photovoltaic laminated foldable expansion mechanism pays attention to user experience in design, ensures that even personnel who are not familiar with technology can successfully complete the construction of photovoltaic panels, and each step is carefully planned to reduce complexity and potential errors.

[0024] 3. The photovoltaic laminated foldable expansion mechanism has the advantages of enhanced safety and stability, multiple fixing points and support rods are added in the structural design to ensure the stability and safety of the photovoltaic panels in the unfolded state. Even in adverse weather conditions, accidental damage can be effectively prevented.

[0025] 4、The photovoltaic laminated foldable expansion mechanism has strong environmental adaptability, considers different geographical and climatic conditions, can adapt to various terrains, and can quickly adjust the angle to obtain the best light effect. In addition, it has excellent waterproof performance and is suitable for long-term outdoor use.

[0026] 5、The photovoltaic laminated foldable expansion mechanism optimizes transportation efficiency and shortens installation time, can significantly reduce the total cost of the project, and at the same time, the efficient energy collection capability means faster return on investment. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 It is the structure side view of the expansion mechanism after unfolding of the utility model;

[0028] Fig. 2 It is the structure side view of the expansion mechanism after unfolding of the utility model;

[0029] Fig. 3 It is the structure section view of the heavy seamless pipe of the expansion mechanism of the utility model;

[0030] Fig. 4 It is the structure side view of the expansion mechanism after folding of the utility model;

[0031] Fig. 5 It is the structure side view of the expansion mechanism after folding of the utility model;

[0032] Fig. 6 It is the structure side view of the expansion mechanism of the utility model;

[0033] Fig. 7 It is the structure side view of the expansion mechanism after folding of the utility model;

[0034] In the drawing: 1, bottom flange; 2, outer tooth type double-row four-point contact ball rotary disc bearing; 21, heavy-duty vertical shaft; 3, flange plate; 4, power cylinder; 5, heavy-duty seamless pipe; 6, heavy-duty movable seamless pipe; 7, rotating ear sleeve; 71, thick-walled sleeve; 72, heavy-duty steel plate; 73, heavy-duty channel steel; 74, high-strength bolt nut; 75, universal steel wheel; 76, angle steel; 77, heavy-duty rotating shaft; 8, middle top frame; 81, connecting ear; 9, power mounting frame; 10, power cylinder body; 11, first layer folding frame; 12, second layer expansion frame; 13, third layer expansion frame; 14, anti-sinking adjustable assembly; 1401, heavy-duty round pipe; 1402, threaded rod; 1403, adjusting nut; 1404, flange plate. DETAILED DESCRIPTION

[0035] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0036] Please refer to Figs. 1 to 7 A photovoltaic laminated foldable expansion mechanism, comprising a heavy rotating base, a nested column, a rotating ear kit 7, a middle top frame 8, a power mounting frame 9, a power cylinder body 10, a first layer folding frame 11, a second layer expansion frame 12, a third layer expansion frame 13, and a sinking prevention adjustable assembly 14. The heavy rotating base is composed of a bottom flange 1, an external tooth double-row four-point contact ball rotary disc bearing 2, a heavy ceiling shaft 21 and a flange plate 3. The nested column is composed of a power cylinder 4, a heavy seamless pipe 5 and a heavy movable seamless pipe 6, and the power cylinder 4, the heavy seamless pipe 5 and the heavy movable seamless pipe 6 are integrated on the upper surface of the flange plate 3. It should be noted that the external tooth double-row four-point contact ball rotary disc bearing 2 is assembled on the upper surface of the bottom flange 1 to enable the external tooth double-row four-point contact ball rotary disc bearing 2 to rotate normally and stably, and the flange plate 3 is assembled above the external tooth double-row four-point contact ball rotary disc bearing 2. The heavy ceiling shaft 21 is fixed to the inner side of the external tooth double-row four-point contact ball rotary disc bearing 2 and is fixed to the lower surface of the flange plate 3.

[0037] Specifically, the heavy movable seamless pipe 6 is connected with the heavy seamless pipe 5 in an extendable manner, the heavy seamless pipe 5 is hollow inside, and the bottom end of the heavy movable seamless pipe 6 extends into the heavy seamless pipe 5. The power cylinder 4 is fixed inside the heavy seamless pipe 5, the output end of the power cylinder 4 is fixed to the bottom end of the heavy movable seamless pipe 6, so as to realize the functions of vertical extension and rotation of the heavy movable seamless pipe 6 along the Z axis. Under the fixed condition of the heavy movable seamless pipe 6, the rotating ear kit 7 can rotate in the XY or YZ direction, and the heavy channel steel 73 and the angle steel 76 are fixed to the lower surface of the heavy steel plate 72 through high-strength bolts and nuts 74. Specifically, the thick-walled sleeve 71 is fixed to the top end of the heavy movable seamless pipe 6 through high-strength bolts and nuts 74, the six universal steel wheels 75 are distributed as four on top and two at the bottom, the four universal steel wheels 75 on top are equidistantly welded to the lower surface of the heavy steel plate 72, the two universal steel wheels 75 at the bottom are symmetrically welded to the top side of the thick-walled sleeve 71, and the six universal steel wheels 75 are connected through the heavy rotating shaft 77 to realize rotation cooperation.

[0038] To connect the top frame 8 to the heavy-duty seamless tube 6, the rotating lug assembly 7 consists of a heavy-duty steel plate 72, a heavy-duty channel steel 73, an angle steel 76, a universal steel wheel 75, a thick-walled sleeve 71, high-strength bolts and nuts 74, and a heavy-duty rotating shaft 77. The rotating lug assembly 7 is assembled with the heavy-duty seamless tube 6. The top frame 8 consists of a profile, a power mounting bracket 9, a first-layer folding frame 11, and connecting lugs 81. The profile is reinforced on both sides using a perforated beam design. The first-layer folding frame 11 is assembled with the top frame 8 via connecting lugs 81. The top frame 8 is integrated with the rotating lug assembly 7. The heavy-duty steel plate 72 is fixed to the lower surface of the top frame 8 using high-strength bolts and nuts 74. The third-layer extension frame 13 is assembled with the second-layer extension frame 12, and the second-layer extension frame 12 is then fitted to the first-layer folding frame 11.

[0039] It should be noted that the first layer folding frame 11 is composed of profiles, slide rails, pulleys, and hanging rails and wheels, and is reinforced on both sides with flower beams. The first layer folding frame 11 can be adjusted from 0 to 90 degrees through the power cylinder 10. The second layer extension frame 12 and the third layer extension frame 13 are both composed of profiles, slide rails, pulleys, hanging rails, and hanging wheels. There are two sets of power cylinders 10, which are set in two layers.

[0040] It is worth mentioning that this application adopts a unique stacking design, which allows photovoltaic panels to be tightly stacked when not in use, thereby significantly reducing the space required for storage and transportation, and compared with traditional methods, more photovoltaic modules can be transported in the same volume.

[0041] To ensure the stability and safety of the photovoltaic panels in the unfolded state, the anti-sinking adjustable component 14 is assembled with the rotating ear assembly 7 and the power mounting frame 9 to keep the sinking of both sides of the top frame 8 within a controllable range. The anti-sinking adjustable component 14 consists of a heavy-duty round tube 1401, a threaded rod 1402, an adjusting nut 1403, and a flange plate 1404. The anti-sinking adjustable component 14 is hinged between the rotating ear assembly 7 and the power mounting frame 9. There are two heavy-duty round tubes 1401, and the threaded rod 1402 is installed between the two heavy-duty round tubes 1401. The adjusting nut 1403 rotates on the outer surface of the end of one of the heavy-duty round tubes 1401, and the adjusting nut 1403 is threadedly connected to the threaded rod 1402.

[0042] The working principle of the above embodiments is as follows:

[0043] In use, first, the outer tooth type double row four-point contact ball rotary bearing 2 is assembled on the bottom flange 1 to enable the outer tooth type double row four-point contact ball rotary bearing 2 to rotate normally and stably, the upper flange plate 3 is assembled on the outer tooth type double row four-point contact ball rotary bearing 2 and fastened by bolts, so that the flange plate 3 rotates with the outer tooth type double row four-point contact ball rotary bearing 2, the power cylinder 4, the heavy seamless pipe 5 and the heavy movable seamless pipe 6 are integrated on the upper surface of the flange plate 3, so that the heavy movable seamless pipe 6 can vertically stretch and retract along the Z axis and rotate, the rotating ear sleeve 7 is assembled with the heavy movable seamless pipe 6, the rotating ear sleeve can rotate along the X, Y or Y, Z directions under the condition that the heavy movable seamless pipe 6 is fixed, the middle top frame 8 is integrated with the rotating ear sleeve 7, the power mounting frame 9 is integrated with the middle top frame 8, the anti-sinking adjustable assembly 14 is assembled with the rotating ear sleeve 7 and the power mounting frame 9, so that the sinking amount of the two sides of the middle top frame 8 is kept within a controllable range, and thus the nested column, the rotating ear sleeve 7, the middle top frame 8 and the power mounting frame 9 can realize three-way stretching and rotating along the X, Z and Y axes.

[0044] Then, the first layer folding frame 11 is assembled with the middle top frame 8 through the connecting ear 81, the third layer expanding frame 13 is assembled with the second layer expanding frame 12, the second layer expanding frame 12 is assembled with the first layer folding frame 11, the first layer folding frame 11 can be folded by 90 degrees through the assembly with the power cylinder body 10, so as to drive the second layer expanding frame 12 and the third layer expanding frame 13 to be folded at the same time, after the two first layer folding frames 11 are unfolded by 90 degrees and are parallel to the middle top frame 8, the second layer expanding frame 12 and the third layer expanding frame 13 complete the expanding action, so as to realize the complete opening of the whole mechanism.

[0045] The mounting mode, connecting mode or setting mode disclosed in the embodiment are common mechanical connecting modes, and can be implemented as long as the beneficial effects can be achieved. In addition, the electrical components appearing in the embodiment are electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, and the control of the electrical components can be realized by simple programming by those skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle thereof will not be described in detail.

[0046] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0047] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A photovoltaic laminated foldable expansion mechanism, characterized by: Heavy rotating base, nested column, rotating ear kit (7), middle top frame (8), power mount (9), power cylinder (10), first layer folding frame (11), second layer expansion frame (12), third layer expansion frame (13), anti-sinking adjustable assembly (14); The heavy rotating base is composed of a bottom flange (1), an outer tooth double-row four-point contact ball rotary disc bearing (2), a heavy ground shaft (21) and a flange plate (3); The nested column is composed of a power cylinder (4), a heavy seamless pipe (5) and a heavy movable seamless pipe (6), and the power cylinder (4), the heavy seamless pipe (5) and the heavy movable seamless pipe (6) are integrated on the upper surface of the flange plate (3); The rotating ear kit (7) is composed of a heavy steel plate (72), a heavy channel steel (73), an angle steel (76), a universal steel wheel (75), a thick-walled sleeve (71), a high-strength bolt and nut (74) and a heavy rotating shaft (77), and the rotating ear kit (7) is assembled with the heavy movable seamless pipe (6); The middle top frame (8) is composed of a profile, a power mount (9), a first layer folding frame (11) and a connecting ear (81), and the profile is reinforced in the form of a flower beam on both sides, and the first layer folding frame (11) is assembled with the middle top frame (8) through the connecting ear (81).

2. A photovoltaic laminated foldable expansion mechanism according to claim 1, wherein: The outer tooth double-row four-point contact ball rotary disc bearing (2) is assembled on the upper surface of the bottom flange (1), and the flange plate (3) is assembled above the outer tooth double-row four-point contact ball rotary disc bearing (2).

3. A photovoltaic laminated foldable expansion mechanism according to claim 1, wherein: The heavy ground shaft (21) is fixed to the inner side of the outer tooth double-row four-point contact ball rotary disc bearing (2) and the lower surface of the flange plate (3).

4. A photovoltaic laminated foldable expansion mechanism according to claim 1, wherein: The heavy movable seamless pipe (6) is connected with the heavy seamless pipe (5) in an extension mode, and the heavy seamless pipe (5) is hollow inside, and the bottom end of the heavy movable seamless pipe (6) extends into the heavy seamless pipe (5).

5. A photovoltaic laminated foldable expansion mechanism according to claim 4, wherein: The power cylinder (4) is fixed inside the heavy seamless pipe (5), and the output end of the power cylinder (4) is fixed with the bottom end of the heavy movable seamless pipe (6).

6. A photovoltaic laminated foldable expansion mechanism according to claim 4, wherein: The heavy channel steel (73) and the angle steel (76) are fixed to the lower surface of the heavy steel plate (72) through the high-strength bolt and nut (74).

7. A photovoltaic laminated foldable expansion mechanism according to claim 6, wherein: The thick-walled sleeve (71) is fixed to the top end of the heavy movable seamless pipe (6) through the high-strength bolt and nut (74), the number of the universal steel wheels (75) is six, and the six universal steel wheels (75) are distributed in the upper four and lower two mode, the upper four universal steel wheels (75) are equidistantly welded to the lower surface of the heavy steel plate (72), the lower two universal steel wheels (75) are symmetrically welded to the top side of the thick-walled sleeve (71), and the six universal steel wheels (75) are connected through the heavy rotating shaft (77) to realize rotating cooperation.

8. A photovoltaic laminated foldable expansion mechanism according to claim 7, wherein: The middle top frame (8) is integrated with the rotating ear kit (7), the heavy steel plate (72) is fixed to the lower surface of the middle top frame (8) through the high-strength bolt and nut (74), the third layer expansion frame (13) is assembled with the second layer expansion frame (12), and the second layer expansion frame (12) is assembled with the first layer folding frame (11).

9. A photovoltaic laminated foldable expansion mechanism according to claim 8, wherein: The first layer folding frame (11) is composed of a profile and a slide rail pulley, a hanging rail hanging wheel, and both sides are strengthened in the form of a flower beam; The second layer expansion frame (12) and the third layer expansion frame (13) are both composed of a profile, a slide rail, a pulley, a hanging rail and a hanging wheel, and the power cylinder body (10) has two groups in total and is arranged in two layers.

10. The photovoltaic laminated foldable expansion mechanism of claim 1, wherein: The anti-sinking adjustable assembly (14) is assembled with the rotating ear sleeve kit (7) and the power mounting frame (9), the anti-sinking adjustable assembly (14) is composed of a heavy round pipe (1401), a threaded rod (1402), an adjusting nut (1403) and a flange plate (1404), and the anti-sinking adjustable assembly (14) is hinged between the rotating ear sleeve kit (7) and the power mounting frame (9).

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