Photovoltaic bracket with automatic limiting mechanism

Abstract

The present invention discloses a photovoltaic support with an automatic limit mechanism, which belongs to the technical field of photovoltaic supports, and comprises a bottom plate, a protective shell with an opening at the upper end is installed at the upper end of the bottom plate, two threaded tubes are symmetrically rotatably connected to the upper end of the bottom plate, a threaded rod is connected to the inner thread of the threaded tube, the upper end of the threaded rod passes through the bottom end of the protective shell and extends upward, a mounting plate is rotatably installed between the two threaded rods, an adjustment assembly for adjusting the angle of the mounting plate is installed on the threaded rod, the two threaded tubes are connected by a pulley transmission, a connecting rod is rotatably connected to the upper end of the bottom plate, and a fan blade is connected to one end of the connecting rod. The present invention overcomes the shortcomings of the prior art, and can store and protect photovoltaic panels in bad weather by arranging the mutual cooperation between the bottom plate, the protective shell, the threaded tube, the threaded rod, the connecting rod, the fan blade and the bevel gear and other structures, so as to reduce the damage to the photovoltaic panels by the environment, thereby increasing the service life of the photovoltaic panels and improving the applicability of the device.

Description

Technical Field

[0001] The invention relates to the field of photovoltaic brackets, and in particular to a photovoltaic bracket with an automatic limiting mechanism. Background Art

[0002] Common flat roof forms of photovoltaic brackets are: concrete flat roof, color steel plate flat roof, steel structure flat roof, ball node roof, etc. The characteristics of flat roof photovoltaic system brackets are large-scale and neat paving, a variety of stable and reliable connection methods with the foundation, and multi-opening design of accessories such as connecting plates to flexibly and effectively adjust the bracket position. Combined with the geographical, climatic and solar energy resource conditions of the construction site, the solar panels are fixed in a certain orientation, arrangement and spacing. The support structure is usually a steel structure and an aluminum alloy structure, or a mixture of the two.

[0003] At present, the existing volt-free brackets and photovoltaic panels are generally fixed outdoors, and most of them are exposed to the outside. When there is bad weather, such as strong winds and hail, the photovoltaic panels are easily damaged, and their applicability is poor. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a photovoltaic support with an automatic limiting mechanism, which overcomes the deficiencies of the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a photovoltaic bracket with an automatic limiting mechanism, comprising a base plate, a protective shell with an opening at the upper end of the base plate is installed, the upper end of the base plate is symmetrically rotatably connected to two threaded tubes, the inner threads of the threaded tubes are connected to threaded rods, the upper ends of the threaded rods pass through the bottom end of the protective shell and extend upward, a mounting plate is rotatably installed between the two threaded rods, an adjustment component for adjusting the angle of the mounting plate is installed on the threaded rods, the two threaded tubes are connected by pulley transmission, the upper end of the base plate is rotatably connected to a connecting rod, one end of the connecting rod is connected to a fan blade, and the other end of the connecting rod is connected to the corresponding threaded tube by a bevel gear transmission, two groups of springs are symmetrically connected to the bottom end of the protective shell, the upper ends of the two groups of springs are commonly connected to a water storage box with an opening at the upper end, a driving component for driving the connecting rod to rotate is installed on the water storage box, and a rotating shaft is rotatably connected to the side wall on one side of the protective shell, and a baffle is installed on the rotating shaft.

[0006] By adopting the above technical solution, when in use, the photovoltaic panel is installed on the mounting plate. When strong wind appears outside, the strong wind blows the fan blades, and the fan blades will rotate. The rotation of the fan blades will drive the connecting rod to rotate. The rotation of the connecting rod will drive the corresponding threaded tube to rotate through the bevel gear. The two threaded tubes will rotate simultaneously through the pulley. The rotation of the threaded tube will apply a force to the threaded rod through the action of the thread. The threaded rod will move downward under the force. The rotation of the threaded rod will drive the mounting plate to move downward. The movement of the mounting plate will drive the photovoltaic panel to move downward, and the photovoltaic panel will be stored in the protective shell. When there is a strong wind, During rain and hail weather, rainwater will enter the water storage box. As rainwater accumulates, the weight of the water storage box will increase, and the water storage box will move downward. The movement of the water storage box will squeeze the spring, and the spring will deform under the force. The movement of the water storage box will drive the connecting rod to rotate through the driving assembly to store the photovoltaic panel in the protective shell. At the same time, the baffle is rotated to block the upper end of the protective shell to prevent rainwater or hail from entering the protective shell. The above structure can be used to store and protect the photovoltaic panels in bad weather to reduce environmental damage to the photovoltaic panels, thereby increasing the service life of the photovoltaic panels and improving the applicability of the device.

[0007] As a preferred technical solution of the present invention, the adjustment assembly includes a fixing plate fixedly connected to two threaded rods, an electric push rod is hinged on the upper end of the fixing plate, and a piston end of the electric push rod is hinged on the mounting plate.

[0008] By adopting the above technical solution, when the angle of the mounting plate needs to be adjusted, the electric push rod is started, and the operation of the electric push rod will apply a force to the mounting plate, and the mounting plate will rotate due to the force, thereby completing the adjustment of the angle of the mounting plate.

[0009] As a preferred technical solution of the present invention, the driving assembly includes a rack fixedly installed at the bottom end of the water storage box, a gear is fixedly sleeved on the rod wall of the connecting rod, and the positions of the rack and the gear correspond to each other.

[0010] By adopting the above technical solution, when the water storage box moves downward, the water storage box will drive the rack to move downward. When the rack contacts the gear, the rack continues to move downward, and the rack will drive the gear to rotate. The rotation of the gear will drive the connecting rod to rotate.

[0011] As a preferred technical solution of the present invention, a slide groove is provided on the side wall of one side of the protective shell, a sliding block is slidably connected in the slide groove, and one end of the sliding block is connected to the water storage box.

[0012] By adopting the above technical solution, the water storage box is limited and the stability of the water storage box when moving is improved.

[0013] As a preferred technical solution of the present invention, a sliding rod is fixedly connected to the inner groove wall of the sliding groove on the protective shell, the sliding rod passes through the sliding block, and the sliding block is slidably connected to the sliding rod.

[0014] By adopting the above technical solution, the sliding block is prevented from being separated from the sliding groove.

[0015] As a preferred technical solution of the present invention, a rolling groove is opened at one end of the sliding block, a rolling ball is arranged in the rolling groove, the ball passes through the notch of the rolling groove, and the ball is rollingly connected to the bottom of the sliding groove.

[0016] By adopting the above technical solution, the friction between the slider and the slide groove is reduced.

[0017] As a preferred technical solution of the present invention, one end of the rotating shaft is connected to a driving wheel, a drawstring is installed on the driving wheel, and the other end of the drawstring is connected to the outer wall of the water storage box.

[0018] By adopting the above technical solution, when the water storage box moves downward, the water storage box will pull the drawstring, and the drawstring will drive the driving wheel to rotate. The rotation of the driving wheel will drive the baffle to rotate, so that the baffle is blocked at the upper end of the protective shell.

[0019] As a preferred technical solution of the present invention, a limit frame is installed on the upper end of the mounting plate, and the limit frame matches the mounting plate.

[0020] By adopting the above technical solution, the photovoltaic panel is limited to prevent the photovoltaic panel from sliding off the mounting plate.

[0021] As a preferred technical solution of the present invention, two drainage holes are symmetrically provided on the side wall of one side of the protective shell.

[0022] By adopting the above technical solution, the protective shell is used for drainage.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) The present invention is provided with structures such as a bottom plate, a protective shell, a threaded tube, a threaded rod, a mounting plate, a connecting rod, a fan blade and a bevel gear. When strong wind appears outside and the strong wind blows the fan blade, the fan blade will rotate, and the rotation of the fan blade will drive the connecting rod to rotate, and the rotation of the connecting rod will drive the corresponding threaded tube to rotate through the bevel gear. The two threaded tubes will rotate simultaneously through the pulley. The rotation of the threaded tube will apply a force to the threaded rod through the action of the thread. The threaded rod will move downward under the force, and the rotation of the threaded rod will drive the mounting plate to move downward. The movement of the mounting plate will drive the photovoltaic panel to move downward, and the photovoltaic panel will be stored in the protective shell. The above structure can be used to store and protect the photovoltaic panel in bad weather to reduce environmental damage to the photovoltaic panel, thereby increasing the service life of the photovoltaic panel and improving the applicability of the device.

[0025] (2) The present invention provides structures such as a spring, a water storage box, a rotating shaft, a baffle, a rack, a gear, a driving wheel and a pull belt. When heavy rain or hail occurs, rainwater will enter the water storage box. As rainwater accumulates, the weight of the water storage box will increase, and the water storage box will move downward. The movement of the water storage box will squeeze the spring, and the spring will deform due to the force. The movement of the water storage box will drive the connecting rod to rotate through the driving assembly to store the photovoltaic panel in the protective shell. At the same time, the baffle is rotated to cover the upper end of the protective shell to prevent rainwater or hail from entering the protective shell.

[0026] (3) The present invention sets up structures such as a fixing plate and an electric push rod. When the angle of the mounting plate needs to be adjusted, the electric push rod is started. The operation of the electric push rod will apply a force to the mounting plate, and the mounting plate will rotate under the force, thereby completing the adjustment of the angle of the mounting plate to meet the needs under different conditions and improve the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 Schematic diagram of the internal structure of the protective shell in the present invention;

[0029] Figure 3 It is a schematic diagram of the structure of the regulating component in the present invention;

[0030] Figure 4 It is a side view structural schematic diagram of the present invention;

[0031] Figure 5 It is a top view of the present invention;

[0032] Figure 6 for Figure 1 A magnified view of part A;

[0033] Figure 7 It is a schematic diagram of the slider structure in the present invention.

[0034] Description of reference numerals:

[0035] 1. Bottom plate; 2. Protective shell; 3. Threaded tube; 4. Threaded rod; 5. Mounting plate; 6. Connecting rod; 7. Fan blade; 8. Bevel gear; 9. Spring; 10. Water storage box; 11. Rotating shaft; 12. Baffle; 13. Fixed plate; 14. Electric push rod; 15. Rack; 16. Gear; 17. Slider; 18. Sliding rod; 19. Ball bearing; 20. Driving wheel; 21. Pull belt; 22. Limit frame; 23. Drain hole. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-4 A photovoltaic bracket with an automatic limiting mechanism includes a base plate 1, a protective shell 2 with an open upper end is installed on the upper end of the base plate 1, and two drainage holes 23 are symmetrically opened on the side wall of one side of the protective shell 2 for draining water from the protective shell 2. The upper end of the base plate 1 is symmetrically connected to two threaded tubes 3, and the threaded tubes 3 are internally threaded with threaded rods 4. The upper ends of the threaded rods 4 pass through the bottom end of the protective shell 2 and extend upward. A mounting plate 5 is installed between the two threaded rods 4 for common rotation. A limiting frame 22 is installed on the upper end of the mounting plate 5. The limiting frame 22 matches the mounting plate 5 to limit the photovoltaic panel and prevent the photovoltaic panel from sliding off the mounting plate 5.

[0038] An adjustment component for adjusting the angle of the mounting plate 5 is installed on the threaded rod 4, and the adjustment component includes a fixing plate 13 fixedly connected to the two threaded rods 4, and an electric push rod 14 is hinged on the upper end of the fixing plate 13, and the piston end of the electric push rod 14 is hinged on the mounting plate 5. When the angle of the mounting plate 5 needs to be adjusted, the electric push rod 14 is started, and the operation of the electric push rod 14 will apply a force to the mounting plate 5, and the mounting plate 5 will rotate under the force, thereby completing the adjustment of the angle of the mounting plate 5. The two threaded tubes 3 are connected through a pulley transmission, and the upper end of the bottom plate 1 is rotatably connected to a connecting rod 6, one end of the connecting rod 6 is connected to a fan blade 7, and the other end of the connecting rod 6 is connected to the corresponding threaded tube 3 through a bevel gear 8. When in use, the photovoltaic panel is installed on the mounting plate 5. When When strong wind appears outside and blows the fan blades 7, the fan blades 7 will rotate, and the rotation of the fan blades 7 will drive the connecting rod 6 to rotate, and the rotation of the connecting rod 6 will drive the corresponding threaded tube 3 to rotate through the bevel gear 8, and the two threaded tubes 3 will rotate simultaneously through the pulley, and the rotation of the threaded tube 3 will apply a force to the threaded rod 4 through the action of the thread, and the threaded rod 4 will move downward under the force, and the rotation of the threaded rod 4 will drive the mounting plate 5 to move downward, and the movement of the mounting plate 5 will drive the photovoltaic panel to move downward, and the photovoltaic panel will be stored in the protective shell 2. The upper structure can be used to store and protect the photovoltaic panel in bad weather to reduce environmental damage to the photovoltaic panel, thereby increasing the service life of the photovoltaic panel and improving the applicability of the device.

[0039] For details, see Figure 1-2 , Figure 5 and Figure 7 Two groups of springs 9 are symmetrically connected to the bottom end of the protective shell 2, and the upper ends of the two groups of springs 9 are commonly connected to a water storage box 10 with an open upper end. A slide groove is provided on the side wall of one side of the protective shell 2, and a slider 17 is slidably connected in the slide groove. One end of the slider 17 is connected to the water storage box 10 to limit the water storage box 10 and improve the stability of the water storage box 10 when moving. A slide rod 18 is fixedly connected to the inner groove wall of the slide groove on the protective shell 2, and the slide rod 18 runs through the slider 17, and the slider 17 is slidably connected to the slide rod 18 to prevent the slider 17 from detaching from the slide groove. A rolling groove is provided at one end of the slider 17, and a rolling ball 19 is arranged in the rolling groove. The ball 19 passes through the notch of the rolling groove, and the ball 19 is rollingly connected to the bottom of the slide groove to reduce the friction between the slider 17 and the slide groove.

[0040] A driving assembly for driving the connecting rod 6 to rotate is installed on the water storage box 10, and the driving assembly includes a rack 15 fixedly installed at the bottom end of the water storage box 10, and a gear 16 is fixedly sleeved on the rod wall of the connecting rod 6, and the positions of the rack 15 and the gear 16 correspond. When the water storage box 10 moves downward, the water storage box 10 will drive the rack 15 to move downward. When the rack 15 contacts the gear 16, the rack 15 continues to move downward, and the rack 15 will drive the gear 16 to rotate, and the rotation of the gear 16 will drive the connecting rod 6 to rotate.

[0041] For details, see Figure 1-3 and Figure 6 A rotating shaft 11 is rotatably connected to the side wall of one side of the protective shell 2, and a baffle 12 is installed on the rotating shaft 11. One end of the rotating shaft 11 is connected to a driving wheel 20, and a pull belt 21 is installed on the driving wheel 20. The other end of the pull belt 21 is connected to the outer wall of the water storage box 10. When the water storage box 10 moves downward, the water storage box 10 will pull the pull belt 21, and the pull belt 21 will drive the driving wheel 20 to rotate. The rotation of the driving wheel 20 will drive the baffle 12 to rotate, so that the baffle 12 is blocked at the upper end of the protective shell 2. When heavy rain and hail weather occur, the rain will The water in the water box 10 will enter the water storage box 10. As the rainwater accumulates, the weight of the water storage box 10 will increase, and the water storage box 10 will move downward. The movement of the water storage box 10 will squeeze the spring 9, and the spring 9 will be deformed by the force. The movement of the water storage box 10 will rotate the connecting rod 6 through the gear 16 and the rack 15 to store the photovoltaic panel in the protective shell 2. At the same time, the driving wheel 20 and the pull belt 21 are used to rotate the rotating shaft 11 to rotate the baffle 12 to cover the upper end of the protective shell 2 to prevent rainwater or hail from entering the protective shell 2.

[0042] Working principle: when in use, the photovoltaic panel is installed on the mounting plate 5. When strong wind appears outside and the strong wind blows the fan blades 7, the fan blades 7 will rotate, and the rotation of the fan blades 7 will drive the connecting rod 6 to rotate, and the rotation of the connecting rod 6 will drive the corresponding threaded tube 3 to rotate through the bevel gear 8. The two threaded tubes 3 will rotate at the same time through the pulley, and the rotation of the threaded tube 3 will apply a force to the threaded rod 4 through the action of the thread, and the threaded rod 4 will move downward under the force, and the rotation of the threaded rod 4 will drive the mounting plate 5 to move downward, and the movement of the mounting plate 5 will drive the photovoltaic panel to move downward, and the photovoltaic panel will be stored in the protective shell 2. When heavy rain and hail occur, rainwater will enter the water storage box 10. As the rainwater accumulates, the weight of the water storage box 10 The amount will increase, the water storage box 10 will move downward, the movement of the water storage box 10 will squeeze the spring 9, and the spring 9 will be deformed by the force. When the water storage box 10 moves downward, the water storage box 10 will drive the rack 15 to move downward. When the rack 15 contacts the gear 16, the rack 15 continues to move downward, and the rack 15 will drive the gear 16 to rotate. The rotation of the gear 16 will drive the connecting rod 6 to rotate to store the photovoltaic panel in the protective shell 2. At the same time, when the water storage box 10 moves downward, the water storage box 10 will pull the drawstring 21, and the drawstring 21 will drive the driving wheel 20 to rotate. The rotation of the driving wheel 20 will drive the baffle 12 to rotate, so that the baffle 12 is blocked at the upper end of the protective shell 2 to prevent rain or hail from entering the protective shell 2.

[0043] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0044] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A photovoltaic support with an automatic limit mechanism, comprising a bottom plate (1), characterized in that: The upper end of the base plate (1) is provided with a protective shell (2) with an opening at the upper end. The upper end of the base plate (1) is symmetrically rotatably connected to two threaded tubes (3). The threaded tubes (3) are internally threadedly connected to a threaded rod (4). The upper end of the threaded rod (4) passes through the bottom end of the protective shell (2) and extends upward. A mounting plate (5) is rotatably mounted between the two threaded rods (4). An adjustment component for adjusting the angle of the mounting plate (5) is mounted on the threaded rod (4). The two threaded tubes (3) are connected via a pulley transmission. The upper end of the base plate (1) is rotatably connected to a connecting rod (5). A connecting rod (6) is provided, one end of the connecting rod (6) is connected to a fan blade (7), the other end of the connecting rod (6) is connected to a corresponding threaded tube (3) through a bevel gear (8), the bottom end of the protective shell (2) is symmetrically connected to two groups of springs (9), the upper ends of the two groups of springs (9) are commonly connected to a water storage box (10) with an open upper end, the water storage box (10) is equipped with a driving assembly for driving the connecting rod (6) to rotate, a rotating shaft (11) is rotatably connected to a side wall of one side of the protective shell (2), and a baffle (12) is installed on the rotating shaft (11).

2. A photovoltaic support with an automatic limit mechanism according to claim 1, characterized in that: The adjustment assembly comprises a fixing plate (13) fixedly connected to two threaded rods (4), an electric push rod (14) being hinged on the upper end of the fixing plate (13), and a piston end of the electric push rod (14) being hinged on the mounting plate (5).

3. A photovoltaic support with an automatic limit mechanism according to claim 1, characterized in that: The driving assembly comprises a rack (15) fixedly mounted on the bottom end of the water storage box (10); a gear (16) is fixedly sleeved on the rod wall of the connecting rod (6); and the positions of the rack (15) and the gear (16) correspond to each other.

4. A photovoltaic support with an automatic limit mechanism according to claim 3, characterized in that: A sliding groove is provided on a side wall of one side of the protective shell (2), a sliding block (17) is slidably connected in the sliding groove, and one end of the sliding block (17) is connected to the water storage box (10).

5. A photovoltaic support with an automatic limit mechanism according to claim 4, characterized in that: A sliding rod (18) is fixedly connected to the inner groove wall of the sliding groove on the protective shell (2); the sliding rod (18) passes through the sliding block (17), and the sliding block (17) is slidably connected to the sliding rod (18).

6. A photovoltaic support with an automatic limit mechanism according to claim 5, characterized in that: A rolling groove is provided at one end of the sliding block (17), a rolling ball (19) is arranged in the rolling groove, the ball (19) passes through the notch of the rolling groove, and the ball (19) is rollingly connected to the bottom of the sliding groove.

7. A photovoltaic support with an automatic limit mechanism according to claim 1, characterized in that: One end of the rotating shaft (11) is connected to a driving wheel (20), a pull belt (21) is installed on the driving wheel (20), and the other end of the pull belt (21) is connected to the outer wall of the water storage box (10).

8. A photovoltaic support with an automatic limit mechanism according to claim 1, characterized in that: A limit frame (22) is installed on the upper end of the mounting plate (5), and the limit frame (22) matches the mounting plate (5).

9. A photovoltaic support with an automatic limit mechanism according to claim 1, characterized in that: Two drainage holes (23) are symmetrically provided on a side wall of one side of the protective shell (2).

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