CN207801833U - A kind of adjustable photovoltaic support - Google Patents

Abstract

The utility model is related to a kind of adjustable photovoltaic supports, including vertical columns, the vertical columns upper end is provided with photovoltaic plate framework, the photovoltaic panel frame facet is provided with shockproof assembly, the hinge assembly for transversely rotating and longitudinally rotating is provided between the photovoltaic plate framework and vertical columns, the vertical columns lower end is installed with firm banking, it is installed with mounting plate in the middle part of the vertical columns, it is provided between the mounting plate and the photovoltaic plate framework for adjusting photovoltaic plate framework transversely inclined lateral adjustment and for adjusting photovoltaic plate framework inclined longitudinal adjusting mechanism along longitudinal direction, the mounting plate is installed with the second driving motor for driving the first driving motor of lateral adjustment and for driving longitudinal adjusting mechanism.The adjustable photovoltaic support, it is the advantages of angular adjustment can be carried out according to different time sections, Various Seasonal, and easy to operate.

Description

An adjustable photovoltaic support

technical field

The utility model relates to the field of photovoltaic technology, in particular to an adjustable photovoltaic bracket.

Background technique

Photovoltaic panels are the core part of the solar power generation system, and also the most valuable part of the solar power generation system. Its main function is to convert solar radiation light energy into electrical energy, part of which drives the load to work, and the other part is sent to the battery for storage. With the gradual strengthening of people's awareness of environmental protection, the application of photovoltaic panels is becoming more and more extensive.

The photovoltaic panels at this stage are first installed with photovoltaic supports on the roof or the ground, and then the photovoltaic panels with outer frames are fixed to the photovoltaic supports. At present, the date of the authorization announcement is 2017.11.03, and the patent document with the authorization announcement number CN206611369U discloses a new energy bracket with an adjustable angle, including a base, a fixed chassis, a support rod, and a photovoltaic panel frame. The lower right end of the photovoltaic panel frame An angle adjustment rod is provided, and the angle adjustment rod is connected to the frame of the photovoltaic panel through a rotation fixing mechanism. The photovoltaic panel frame can adjust the angle of the photovoltaic panel frame to adapt to different angles of solar light in different seasons by rotating the fixing mechanism, so that the solar radiation light energy can be converted into electrical energy to the maximum extent. However, this new energy bracket can only adjust the angle of the photovoltaic panel frame in one direction, because the sun's rays will vary with different time periods, and the sun's radiant light energy can only be generated when the sun's rays are vertically irradiated on the photovoltaic panel. To maximize the conversion into electrical energy, a photovoltaic support that can be adjusted according to different time periods and seasons is particularly needed to solve the problems in the prior art.

Utility model content

The purpose of the utility model is to provide an adjustable photovoltaic bracket, which has the advantage of being able to adjust the angle according to different time periods and seasons, and is easy to operate.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

An adjustable photovoltaic support, including a fixed column, the upper end of the fixed column is provided with a photovoltaic panel frame, the side of the photovoltaic panel frame is provided with a shock-proof assembly, and the photovoltaic panel frame and the fixed column are provided for horizontal rotation and A hinged assembly that rotates longitudinally, the lower end of the fixed column is fixed with a fixed base, the middle of the fixed column is fixed with a mounting plate, and a device for adjusting the horizontal inclination of the photovoltaic panel frame is provided between the mounting plate and the photovoltaic panel frame. The horizontal adjustment assembly and the longitudinal adjustment assembly for adjusting the vertical tilt of the photovoltaic panel frame, the mounting plate is fixed with a first drive motor for driving the horizontal adjustment mechanism and a second drive motor for driving the longitudinal adjustment mechanism.

By adopting the above technical solution, the photovoltaic panel frame is used to place the photovoltaic panel, the horizontal adjustment mechanism between the photovoltaic panel and the installation board can tilt the photovoltaic panel frame horizontally, and the longitudinal adjustment mechanism between the photovoltaic panel and the installation board can adjust the photovoltaic panel The frame is inclined longitudinally, so that the angle of the photovoltaic panel frame can be adjusted according to different time periods and seasons, and the operation is convenient.

The utility model is further configured as follows: the hinge assembly includes a first hinge seat, a second hinge seat and a hinge shaft arranged in a "ten" shape, the first hinge seat is provided with a first through hole, and the second hinge seat The seat is provided with a second via hole perpendicular to the first via hole, the hinge shaft is located between the first via hole and the second via hole, the hinge shaft includes a horizontal hinge shaft and a longitudinal hinge shaft, and the horizontal hinge shaft Both ends of the shaft are rotatably connected to the first hinged seat, and both ends of the longitudinal hinged shaft are rotatably connected to the second hinged seat.

By adopting the above technical solution, the first hinge seat rotates along the horizontal hinge axis, the second hinge seat rotates along the longitudinal hinge axis, and the horizontal hinge axis and the longitudinal hinge axis are arranged in a "ten" shape, thereby realizing the horizontal rotation and longitudinal rotation of the hinge assembly .

The utility model is further configured as follows: the horizontal adjustment mechanism includes a first rack, a first gear meshed with the first rack, and a first mounting seat rotatably connected with the first gear, and the upper end of the first rack The hinge assembly is hinged to one lateral edge of the photovoltaic panel frame, and the lower end of the first rack penetrates the mounting plate and is slidably connected to the mounting plate.

By adopting the above technical solution, the first driving motor drives the first gear to rotate, the first gear drives the first rack to move, and the first rack drives the photovoltaic panel frame to tilt leftward or rightward along the horizontal direction.

The utility model is further configured as follows: the number of the first racks is set to two, the number of the first gears is set to two, and the upper ends of the two first racks are in contact with the horizontal side edges of the photovoltaic panel frame Hinged, a first linkage assembly is arranged between the two first racks to realize the linkage between the two.

By adopting the above technical solution, the first linkage component drives the two first gears to rotate, the two first gears respectively drive the first rack to move in the opposite direction, and the two first racks drive the photovoltaic panel frame to tilt leftward along the horizontal direction or lean right.

The utility model is further configured as follows: the first linkage assembly includes two first worm gears fixed on the two first gears, a first linkage rotating shaft arranged between the two first worm gears, and a first linkage shaft rotatably connected to the first linkage The first fixed seats at both ends of the rotating shaft, the first worm gear and the first gear are arranged concentrically, the first interlocking rotating shaft is provided with a first volute meshing with the two first worm gears, the One end of the first interlocking rotating shaft is fixedly connected to the output end of the first driving motor.

By adopting the above technical solution, the first drive motor drives the first linkage shaft to rotate, the first linkage shaft drives the two first turbines to rotate, and the two first turbines respectively drive the two first gears to rotate, thereby realizing the drive of the first linkage assembly The rotation of the two first gears.

The utility model is further configured as follows: the longitudinal adjustment mechanism includes a second rack, a second gear engaged with the second rack, and a second mounting seat rotatably connected to the second gear, the upper end of the second rack The hinge assembly is hinged to one longitudinal edge of the photovoltaic panel frame, and the lower end of the second rack penetrates the mounting plate and is slidably connected to the mounting plate.

By adopting the above technical solution, the second drive motor drives the second gear to rotate, the second gear drives the second rack to move, and the second rack drives the photovoltaic panel frame to tilt forward or backward in the longitudinal direction.

The utility model is further configured as follows: the number of the second racks is set to two, the number of the second gears is set to two, and the upper ends of the two second racks are in contact with the longitudinal edges on both sides of the photovoltaic panel frame. Hinged, a second linkage assembly is arranged between the two second racks to realize the linkage between the two.

By adopting the above technical solution, the second linkage assembly drives the two second gears to rotate, the two second gears respectively drive the second racks to move in opposite directions, and the two second racks drive the photovoltaic panel frame to tilt forward in the longitudinal direction or lean back.

The utility model is further configured as follows: the second linkage assembly includes two second worm gears fixed on the two second gears, a second linkage rotating shaft arranged between the two second worm gears, and a second linkage shaft rotatably connected to the second linkage The second fixed seats at both ends of the rotating shaft, the second worm gear and the second gear are arranged concentrically, the second interlocking rotating shaft is provided with a second volute meshing with the two second worm gears, the One end of the second interlocking rotating shaft is fixedly connected to the output end of the second driving motor.

By adopting the above technical solution, the second drive motor drives the second linkage shaft to rotate, the second linkage shaft drives the two second turbines to rotate, and the two second turbines respectively drive the two second gears to rotate, thereby realizing the second linkage assembly to drive The rotation of the two second gears.

The utility model is further configured as follows: the shockproof assembly includes a limit plate for preventing the photovoltaic panel from falling, a sleeve fixed on the lower surface of one end of the limit plate, a sleeve that penetrates the lower end of the sleeve and is fixed on the frame of the photovoltaic panel. The connecting rod and the tension spring fixed between the sleeve and the connecting rod, the end of the limiting plate away from the sleeve is located above the photovoltaic panel frame.

By adopting the above technical scheme, when the photovoltaic panel is installed in the photovoltaic panel frame, the lower surface of the limit plate located above the photovoltaic panel frame is in contact with the upper surface of the photovoltaic panel, and the tension spring is in a relaxed state at this time; Next, the photovoltaic panel vibrates, and the photovoltaic panel drives the limit plate to move. At this time, the tension spring is in a stretched state, which is used to prevent the photovoltaic panel from falling, ensure the stability of the photovoltaic panel, and avoid the hidden cracks of the photovoltaic panel due to bumping. service life.

The utility model is further configured as: a support rod is fixed between the fixed column and the fixed base.

By adopting the above technical solution, the supporting effect of the fixed column on the frame of the photovoltaic panel is strengthened.

In summary, the utility model has the following beneficial effects: the first drive motor drives the first linkage shaft to rotate, the first linkage shaft drives the two first turbines to rotate, and the two first turbines drive the two first gears to rotate respectively. Under the gravitational force of the first rack, the two first gears respectively drive the first rack to move in opposite directions, and the two first racks drive the frame of the photovoltaic panel to tilt leftward or rightward along the lateral direction. Turn on the second driving motor, the second driving motor drives the second linkage rotating shaft to rotate, the second linkage rotating shaft drives the two second turbines to rotate, and the two second turbines drive the two second gears to rotate respectively. Next, the two second gears respectively drive the second rack to move in opposite directions, and the two second racks drive the frame of the photovoltaic panel to tilt forward or backward along the longitudinal direction. The adjustable photovoltaic support can adjust the angle according to different time periods and seasons, and is easy to operate. At the same time, the anti-vibration component can be used for anti-vibration of the photovoltaic panel to ensure the stability of the photovoltaic panel, avoid the hidden cracks of the photovoltaic panel due to bumping, and prolong the service life.

Description of drawings

Fig. 1 is the structural representation of embodiment;

Fig. 2 is A-A line sectional view among Fig. 1;

Fig. 3 is an enlarged view of part B in Fig. 2;

In the embodiment of Fig. 4, in order to represent the schematic structural diagram of the hinged assembly;

Fig. 5 is a schematic structural view showing the first linkage assembly and the second linkage assembly in the embodiment.

In the figure, 1. Fixed column; 2. Photovoltaic panel frame; 21. Support plate; 22. Cross bar; 23. Vertical bar; 24. Hinged assembly; 241. First hinged seat; Horizontal hinge shaft; 244, vertical hinge shaft; 25, anti-shock assembly; 251, limit plate; 252, sleeve; 2521, limit flange; 253, connecting rod; 2531, limit protrusion; 254, tension spring ; 3, fixed base; 31, fixed rod; 4, support rod; 5, mounting plate; 6, horizontal adjustment mechanism; 61, the first rack; 62, the first gear; A linkage assembly; 641, the first turbine; 642, the first linkage shaft; 6421, the first scroll; 643, the first fixed seat; 65, the first driving motor; 7, the longitudinal adjustment mechanism; 71, the second rack ; 72, the second gear; 73, the second mounting seat; 74, the second linkage assembly; 741, the second turbine; 742, the second linkage shaft; 7421, the second vortex; 743, the second fixed seat; 75, Second drive motor.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

An embodiment, an adjustable photovoltaic bracket, as shown in FIG. 1 , includes a fixed column 1, and the upper end of the fixed column 1 is provided with a photovoltaic panel frame 2 for placing a photovoltaic panel. Between the photovoltaic panel frame 2 and the fixed column 1, there is a Hinge assembly 24 for lateral rotation and longitudinal rotation. The lower end of the fixed column 1 is provided with a fixed base 3, and a support rod 4 is fixed between the fixed base 3 and the fixed column 1. The support rod 4 is arranged obliquely, and the number of the support rods 4 is set to four. A mounting plate 5 is fixed in the middle of the fixed column 1, and a horizontal adjustment mechanism 6 for adjusting the inclination of the photovoltaic panel frame 2 in the horizontal direction and a longitudinal adjustment mechanism 6 for adjusting the inclination of the photovoltaic panel frame 2 in the longitudinal direction are arranged between the mounting plate 5 and the photovoltaic panel frame 2. Regulator 7.

As shown in FIG. 1 , the photovoltaic panel frame 2 is arranged as a cuboid. The photovoltaic panel frame 2 is provided with a through groove along the height direction, and the lower part of the photovoltaic panel is fixed with a support plate 21 for supporting the photovoltaic panel in the through groove. The lower end of the photovoltaic panel frame 2 is fixed with a horizontal bar 22 and a vertical bar 23, and the horizontal bar 22 and the vertical bar 23 are arranged vertically. The cross bar 22 and the longitudinal bar 23 are hinged to the fixed column 1 through the hinge assembly 24 at the joint.

As shown in FIG. 4 , the hinge assembly 24 includes a first hinge seat 241 , a second hinge seat 242 and a hinge shaft. The lower end of the first hinged seat 241 is fixedly connected to the upper end of the fixed column 1 , and the first hinged seat 241 is provided with a first through hole. The upper end of the second hinge base 242 is fixedly connected to the joint of the cross bar 22 and the vertical bar 23 , and the second hinge base 242 is provided with a second through hole, which is perpendicular to the first through hole. The hinge shaft is located between the second via hole and the first via hole, and the hinge shaft is arranged in a "ten" shape. The hinge shaft includes a horizontal hinge shaft 243 and a longitudinal hinge shaft 244, and the horizontal hinge shaft 243 and the longitudinal hinge shaft 244 are arranged vertically. Both ends of the transverse hinge shaft 243 are rotatably connected to the first hinge base 241 , and both ends of the longitudinal hinge shaft 244 are rotatably connected to the second hinge base 242 .

As shown in FIG. 1 and FIG. 3 , an anti-vibration assembly 25 is provided between both ends of the horizontal bar 22 and the photovoltaic panel frame 2 , and an anti-vibration assembly 25 is provided between both ends of the vertical bar 23 and the photovoltaic panel frame 2 . The anti-vibration assembly 25 includes a limiting plate 251 for preventing the photovoltaic panel from falling, and one end of the limiting plate 251 is located above the photovoltaic panel frame 2 . The limiting plate 251 is fixed with a sleeve 252 on the lower surface of the outer end of the photovoltaic panel frame 2, and the sleeve 252 is sleeved with a connecting rod 253 penetrating through its lower surface, and the connecting rod 253 is fixed at one end of the sleeve 252. The limit protrusion 2531, the lower end of the sleeve 252 is fixed with a limit flange 2521 for preventing the connecting rod 253 from falling off, and a tension spring 254 is arranged between the limit flange 2521 and the limit protrusion 2531. The lower end of the connecting rod 253 of the anti-vibration assembly 25 at both ends of the cross bar 22 is fixedly connected to the upper surface of the cross bar 22 , and the lower end of the connecting rod 253 of the anti-vibration assembly 25 at the two ends of the longitudinal bar 23 is fixedly connected to the upper surface of the longitudinal bar 23 . When the photovoltaic panel is installed in the photovoltaic panel frame 2, the lower surface of the limit plate 251 located at the top of the photovoltaic panel frame 2 is in contact with the upper surface of the photovoltaic panel. At this time, the tension spring 254 is in a relaxed state; When the photovoltaic panel vibrates, the photovoltaic panel drives the limit plate 251 to move. At this time, the tension spring 254 is in a stretched state to prevent the photovoltaic panel from falling.

As shown in Fig. 1, the fixed base 3 is a rectangular parallelepiped, and the fixed base 3 is provided with an opening that runs through the upper and lower surfaces along the height direction. 1 The lower end is fixedly connected.

1, 2 and 4, the lateral adjustment mechanism 6 includes two first racks 61, the upper end of the first rack 61 is hinged to the two ends of the cross bar 22 through the hinge assembly 24, and the first rack 61 Tilt setting. The lower end of the first rack 61 passes through the mounting plate 5 and is slidably connected with the mounting plate 5. A first gear 62 matching the first rack 61 is fixed above the mounting plate 5. The first gear 62 is rotatably connected to the first gear 62. A mounting seat 63 , the first mounting seat 63 is fixedly installed on the upper surface of the mounting plate 5 . A first linkage component 64 is provided between the two first racks 61 to realize the linkage between them.

As shown in FIG. 1 and FIG. 5 , the first linkage assembly 64 includes two first worm gears 641 fixed on one side of the two first gears 62 , and the first worm gears 641 are coaxially arranged with the first gear 62 . A first linkage shaft 642 is disposed between the two first turbines 641 , and a first scroll 6421 meshing with the two first turbines 641 is disposed on the outer surface of the first linkage shaft 642 . Both ends of the first interlocking rotating shaft 642 are respectively provided with first fixing seats 643 , the first fixing seats 643 are rotationally connected with the first interlocking rotating shaft 642 , and the first fixing seats 643 are fixedly installed on the upper surface of the mounting plate 5 . The upper surface of the mounting plate 5 is fixed with a first drive motor 65, the output end of the first drive motor 65 is fixedly connected to one end of the first linkage rotating shaft 642, and the first drive motor 65 is located at the first fixed seat 643 away from the first turbine 641. side.

1, 2 and 4, the longitudinal adjustment mechanism 7 includes two second racks 71, the upper ends of the second racks 71 are hinged to the two ends of the longitudinal rod 23 through the hinge assembly 24, and the second racks 71 Tilt setting. The lower end of the second rack 71 passes through the mounting plate 5 and is slidably connected with the mounting plate 5. A second gear 72 is fixed above the mounting plate 5 and is compatible with the second rack 71. The second gear 72 is rotatably connected to the second gear 72. Two mounting bases 73 , the second mounting base 73 is fixedly installed on the upper surface of the mounting plate 5 . A second linkage assembly 74 is arranged between the two second gears 72 to realize the linkage between them.

As shown in FIG. 1 and FIG. 5 , the second linkage assembly 74 includes two second worm gears 741 fixed on one side of the two second gears 72 , and the second worm gears 741 and the second gear 72 are coaxially arranged. A second linkage shaft 742 is arranged between the two second turbines 741 , and a second scroll 7421 meshing with the two second turbines 741 is provided on the outer surface of the second linkage shaft 742 . Both ends of the second interlocking shaft 742 are respectively provided with second fixing seats 743 , the second fixing seats 743 are rotationally connected with the second interlocking rotating shaft 742 , and the second fixing seats 743 are fixedly installed on the upper surface of the mounting plate 5 . The upper surface of the mounting plate 5 is fixed with a second driving motor 75, the output end of the second driving motor 75 is fixedly connected with one end of the second linkage rotating shaft 742, and the second driving motor 75 is located at the second fixed seat 743 away from the second turbine 741 side.

The specific adjustment process of the lateral adjustment mechanism is: turn on the first driving motor 65, the first driving motor 65 drives the first linkage shaft 642 to rotate, the first linkage shaft 642 drives the two first turbines 641 to rotate, and the two first turbines 641 Drive the two first gears 62 to rotate respectively. Under the action of gravity of the first rack 61, the two first gears 62 respectively drive the first rack 61 to move in the opposite direction, and the two first racks 61 drive the photovoltaic panel frame 2 Tilt left or right in landscape orientation.

The specific adjustment process of the longitudinal adjustment mechanism is: turn on the second drive motor 75, the second drive motor 75 drives the second linkage shaft 742 to rotate, the second linkage shaft 742 drives the two second turbines 741 to rotate, and the two second turbines 741 Drive the two second gears 72 to rotate respectively. Under the action of gravity of the second rack 71, the two second gears 72 respectively drive the second rack 71 to move in the opposite direction, and the two second racks 71 drive the photovoltaic panel frame 2 Tilt forward or backward longitudinally.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (10)

1. a kind of adjustable photovoltaic support, it is characterised in that：Including vertical columns (1), vertical columns (1) upper end is provided with Photovoltaic plate framework (2), photovoltaic plate framework (2) side are provided with shockproof assembly (25), the photovoltaic plate framework (2) and fixation The hinge assembly (24) for transversely rotating and longitudinally rotating is provided between column (1), vertical columns (1) lower end is solid Equipped with firm banking (3), mounting plate (5), the mounting plate (5) and the photovoltaic panel are installed in the middle part of the vertical columns (1) It is provided between frame (2) for adjusting photovoltaic plate framework (2) transversely inclined lateral adjustment (6) and for adjusting light Lying prostrate plate framework (2), inclined longitudinal adjusting mechanism (7), the mounting plate (5) are installed with for driving lateral adjustments machine along longitudinal direction The first driving motor (65) of structure (6) and the second driving motor (75) for driving longitudinal adjusting mechanism (7).

2. a kind of adjustable photovoltaic support according to claim 1, it is characterised in that：The hinge assembly (24) includes the One hinged seat (241), the second hinged seat (242) and the articulated shaft in the setting of " ten " shape, first hinged seat (241) open up There are the first via, second hinged seat (242) to offer and vertically disposed second via of the first via, the hinged axle position Between the first via and the second via, the articulated shaft includes being laterally hinged with axis (243) and longitudinally-hinged axis (244), described It is laterally hinged with the both ends of axis (243) to be rotatablely connected with the first hinged seat (241), the both ends of the longitudinally-hinged axis (244) and the Two hinged seats (242) are rotatablely connected.

3. a kind of adjustable photovoltaic support according to claim 1, it is characterised in that：Lateral adjustment (6) packet It includes the first rack (61), the first gear (62) that is meshed with the first rack (61) and be rotatablely connected with first gear (62) The upper end of first mounting base (63), first rack (61) passes through hinge assembly (24) and the lateral side of photovoltaic plate framework (2) Edge is hinged, and the lower end of first rack (61) slides connection through mounting plate (5) and with mounting plate (5).

4. a kind of adjustable photovoltaic support according to claim 3, it is characterised in that：The quantity of first rack (61) It is set as two, the quantity of the first gear (62) is set as two, the upper end of two first racks (61) and photovoltaic Plate framework (2) both lateral sides edge is hinged, is provided between two first racks (61) and realizes the first of the two linkage Dynamic component (64).

5. a kind of adjustable photovoltaic support according to claim 4, it is characterised in that：First linkage unit (64) packet It includes and is fixedly arranged on two the first turbines (641) of two first gears (62), first be set between two the first turbines (641) Linkage shaft (642) and the first fixed seat (643) for being rotationally connected with first linkage shaft (642) both ends, first whirlpool (641) and the first gear (62) concentric setting is taken turns, the first linkage shaft (642) is provided with and two described first The first swirls (6421) that turbine (641) is meshed, one end of the first linkage shaft (642) and first driving motor (65) output end is fixedly connected.

6. a kind of adjustable photovoltaic support according to claim 1, it is characterised in that：Longitudinal adjusting mechanism (7) packet It includes the second rack (71), the second gear (72) that is meshed with the second rack (71) and be rotatablely connected with second gear (72) The upper end of second mounting base (73), second rack (71) passes through hinge assembly (24) and the longitudinal side of photovoltaic plate framework (2) Edge is hinged, and the lower end of second rack (71) slides connection through mounting plate (5) and with mounting plate (5).

7. a kind of adjustable photovoltaic support according to claim 6, it is characterised in that：The quantity of second rack (71) It is set as two, the quantity of the second gear (72) is set as two, the upper end of two second racks (71) and photovoltaic Plate framework (2) longitudinal direction both sides of the edge are hinged, are provided between two second racks (71) and realize the second of the two linkage Dynamic component (74).

8. a kind of adjustable photovoltaic support according to claim 7, it is characterised in that：Second linkage unit (74) packet It includes and is fixedly arranged on two the second turbines (741) of two second gears (72), second be set between two the second turbines (741) Linkage shaft (742) and the second fixed seat (743) for being rotationally connected with second linkage shaft (742) both ends, second whirlpool (741) and the second gear (72) concentric setting is taken turns, the second linkage shaft (742) is provided with and two described second The second swirls (7421) that turbine (741) is meshed, one end of the second linkage shaft (742) and second driving motor (75) output end is fixedly connected.

9. a kind of adjustable photovoltaic support according to claim 1, it is characterised in that：The shockproof assembly (25) includes using In the sleeve (252) for preventing limiting plate (251) that photovoltaic panel falls, being fixedly arranged on limiting plate (251) one end lower surface, run through sleeve (252) lower end and the connecting rod (253) that is fixedly arranged on photovoltaic plate framework (2) and sleeve (252) and connecting rod (253) are fixedly arranged on Between extension spring (254), the limiting plate (251) in far from sleeve (252) one end be located at photovoltaic plate framework (2) top.

10. a kind of adjustable photovoltaic support according to claim 1, it is characterised in that：Vertical columns (1) and described Supporting rod (4) is installed between firm banking (3).