Photovoltaic pavilion expansion type lifting mechanism and expansion method thereof

Abstract

The invention discloses a photovoltaic pavilion expansion type lifting mechanism and an expansion method thereof.The photovoltaic pavilion expansion type lifting mechanism comprises a connecting transverse rod, connecting vertical rods, a driving assembly and lifting rods, the two ends of the connecting transverse rod are connected with the connecting vertical rods, the lifting rods are arranged in the connecting vertical rods, and the driving assembly is arranged outside one connecting vertical rod; the driving assembly is in transmission connection with a driving sector gear, a driving rod is arranged on the lifting rod, the bottom end of the driving rod is connected with an expansion sector gear, the driving sector gear is in meshed connection with the expansion sector gear, and the driving sector gear drives the expansion sector gear to rotate to drive the driving rod and the lifting rod to rotate relatively. The lifting rod is close to or far away from the connecting vertical rod in the axial direction of the driving rod; a synchronous rod is arranged in each connecting cross rod, driven fan gears are arranged at the two ends of each synchronous rod, and the driven fan gears are connected with the expansion fan gears on the same sides in a meshed mode. Expansion type setting can be carried out according to the change of the area of a use scene, and all expanded photovoltaic pavilion supporting columns are driven by a single driving assembly to synchronously ascend and descend.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic technology, and in particular to an expansion type lifting mechanism for a photovoltaic booth and an expansion method thereof. Background Art

[0002] The photovoltaic pavilion is an innovative product that combines photovoltaic technology with architectural structure design. It not only has the function of photovoltaic power generation, but also combines aesthetics and practicality, adding a unique landscape to urban public spaces or private courtyards.

[0003] Photovoltaic kiosks are commonly used in different scenarios, such as urban public spaces, rural areas, industrial parks, schools, etc. The construction area of ​​photovoltaic kiosks in different usage scenarios will also vary. In order to make it more convenient to use, improve the utilization rate of photovoltaic energy and adapt to the terrain of different scenarios, most of the existing photovoltaic kiosks are set as liftable structures.

[0004] The photovoltaic pavilion technical solution recorded in the Chinese utility model patent No. 202221443946.1 discloses a method of using a motor to drive the screw to rotate, and the screw rotation causes the telescopic column to move longitudinally along the direction of the slide slot, which can achieve the height adjustment of the pavilion, facilitate the purpose of photovoltaic maintenance, reduce the workload, improve the efficiency of maintenance, and ensure safety. Although the height adjustment of the photovoltaic pavilion can be achieved, it is necessary to design a corresponding lifting mechanism according to the setting size requirements of different usage scenarios, which has poor universality and high manual design cost.

[0005] Therefore, it is urgent to research and develop an expandable lifting mechanism for a photovoltaic booth and an expansion method thereof to solve the above-mentioned technical problems. Summary of the invention

[0006] The purpose of the present invention is to provide an expandable lifting mechanism for a photovoltaic kiosk and an expansion method thereof, wherein the expandable lifting mechanism for a photovoltaic kiosk and the expansion method thereof can be expanded according to changes in the area of ​​a usage scene, and utilize a single drive component to drive the synchronous lifting and lowering of all expanded photovoltaic kiosk support columns.

[0007] In order to achieve the above-mentioned purpose, the photovoltaic pavilion expansion lifting mechanism provided by the present invention has the following specific implementation scheme:

[0008] The photovoltaic pavilion expansion lifting mechanism comprises a connecting cross bar, a connecting vertical bar, a driving assembly and a lifting rod, wherein both ends of the connecting cross bar are connected to the connecting vertical rods, the lifting rod is arranged inside each of the connecting vertical rods, and the driving assembly is arranged outside one of the connecting vertical rods;

[0009] The driving assembly is connected to a driving fan gear, a driving rod is provided on the lifting rod, the bottom end of the driving rod is connected to an expansion fan gear, the driving fan gear is meshed with at most 1 / 4 of the expansion fan gear, the driving fan gear drives the expansion fan gear to rotate and drives the driving rod and the lifting rod to rotate relative to each other, and the lifting rod approaches or moves away from the connecting vertical rod in the axial direction of the driving rod;

[0010] A synchronization rod is provided in each of the connecting cross bars, and driven fan gears are provided at both ends of the synchronization rod. The driven fan gear is meshed and connected with at most 1 / 4 of the expansion fan gear on the same side.

[0011] Compared with the prior art, the expansion fan gear connected to the driving rod and the expansion fan gear connected to the driving assembly of the photovoltaic kiosk of the present invention are meshed and connected by at most 1 / 4, and the driving rod is driven to rotate so that the lifting rod that can rotate relative to the driving rod approaches or moves away from the connecting vertical rod in the axial direction of the driving rod, so that the ceiling height of the photovoltaic kiosk arranged on the top of the lifting rod can be adjusted to adapt to different usage scenarios, facilitate the repair and maintenance of the photovoltaic equipment on the roof of the photovoltaic kiosk and adapt to the use in different lighting environments, and because the driving fan gear can only mesh with at most 1 / 4 of the expansion fan gear, the expansion fan gear still has 3 / 4 of the area that can mesh with at least three driven fan gears, and the driven fan gear is connected to another connecting vertical rod with a lifting rod at the other end through the synchronization rod and the connecting cross rod, so as to realize unlimited expansion of the lifting rod of the photovoltaic kiosk, and can be freely expanded according to the size requirements of the installation scenario, thereby improving the adaptation range of the photovoltaic kiosk and the convenience of size adjustment.

[0012] In some embodiments, a connecting plate is provided at the bottom of the lifting rod, the driving rod is provided on the connecting plate, and the driving rod is screwed to the connecting plate.

[0013] By screwing the connecting plate and the driving rod, the connecting plate drives the lifting rod to move in the axial direction of the driving rod during the rotation of the driving rod, thereby achieving the technical purpose of adjusting the ceiling height of the photovoltaic pavilion by lifting the lifting rod.

[0014] In some embodiments, a guide rail is provided on the inner wall of the connecting vertical rod, and a guide groove is provided on the outer wall of the lifting rod, and the guide rail is embedded in the guide groove to cooperate with the guide groove.

[0015] The guide rail is arranged on the inner wall of the connecting vertical rod, the guide groove is arranged on the outer wall of the lifting rod, and the guide rail is embedded in the guide groove to improve the lifting accuracy, stability and smoothness of the lifting rod.

[0016] In some embodiments, a connecting piece is provided on the top of the connecting vertical rod, a connecting protrusion extending toward the center direction of the connecting vertical rod is provided on the connecting piece, the guide rail is provided on the connecting protrusion, and the guide rail extends in the axial direction of the connecting vertical rod.

[0017] The guide rail is connected to the connecting rail by connecting the connecting protrusions on the connecting piece, so that the guide rail is easily maintained, repaired and replaced.

[0018] In some embodiments, a connecting platform is connected to the bottom of the connecting protrusion, and the guide rail is provided on the connecting platform.

[0019] The connecting platform is used to connect the guide rails, thereby improving the connection stability of the guide rails in the connecting vertical rods.

[0020] In some embodiments, a mounting seat is further included, a mounting platform is provided on the mounting seat, the driving assembly includes a driving motor and a motor seat, the motor seat is provided on the side of the mounting seat and connected to the mounting seat, the driving motor is provided on the motor seat, the motor shaft of the driving motor extends into the mounting platform and is sleeved with the driving fan gear, and the bottom end of the driving rod extends into the mounting platform and is sleeved with the expansion fan gear.

[0021] The roof of the photovoltaic pavilion can be raised and lowered by meshing the expansion fan gear with the driving fan gear and the driven fan gear within the mounting platform of the mounting seat, and the driving motor can simultaneously drive multiple driving rods to rotate and drive the lifting rods to rise and fall by utilizing the action of the synchronization rod, thereby ensuring that no matter how the photovoltaic pavilion is expanded, a single driving component can achieve the lifting and lowering adjustment of all lifting rods.

[0022] In some embodiments, the top of the mounting platform is open, and expansion holes are provided on the outer peripheral wall of the mounting platform, the expansion holes are connected to the interior of the mounting platform, a mounting plate is provided on the top of the mounting seat, the bottom end of the driving rod extends through the mounting plate into the mounting seat, the synchronization rod extends through the expansion hole into the mounting seat and is sleeved with the driven fan gear.

[0023] By opening expansion holes on the outer peripheral wall of the mounting platform, it is convenient for the synchronization rod to extend into the mounting platform to realize the meshing connection between the driven fan gear and the expansion fan gear.

[0024] In some embodiments, a shaft sleeve is provided in the expansion hole, an end of the synchronization rod passes through the shaft sleeve and extends into the mounting platform, and the synchronization rod and the shaft sleeve rotate relative to each other.

[0025] By arranging a shaft sleeve in the expansion hole, the shaft sleeve is utilized to improve the connection stability and load capacity of the synchronization rod, thereby avoiding deformation.

[0026] In some of the embodiments, an expansion groove is provided on the outer peripheral wall of the mounting seat, and the end of the connecting cross bar is embedded in the expansion groove.

[0027] By arranging expansion grooves on the outer peripheral wall of the mounting seat and embedding the end of the connecting cross bar into the expansion groove, the connection stability between the connecting cross bar and the mounting seat is improved.

[0028] The present invention further provides a method for expanding a photovoltaic kiosk expansion type lifting mechanism, which is applied to any of the photovoltaic kiosk expansion type lifting mechanisms described above, and comprises the following steps:

[0029] Installing a synchronization rod on at least one adjacent side wall and / or an opposite side wall connecting the vertical rod and the drive assembly;

[0030] Insert both ends of the synchronous rod into the mounting seat on the same side, and set the driven fan gear to mesh with the expansion fan gear;

[0031] A connecting cross bar is covered on the synchronous rod, and another connecting vertical bar with a lifting rod is connected to the other end of the connecting cross bar.

[0032] Based on the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0033] The driving fan gear connected by the driving assembly and the expansion fan gear connected by the driving rod are meshed and connected by at most 1 / 4, and the driving rod is driven to rotate so that the lifting rod that can rotate relative to the driving rod is close to or away from the connecting vertical rod in the axial direction of the driving rod, so that the ceiling height of the photovoltaic pavilion arranged on the top of the lifting rod can be adjusted to adapt to different usage scenarios, facilitate the repair and maintenance of the photovoltaic equipment on the roof of the photovoltaic pavilion and adapt to the use in different lighting environments, and because the driving fan gear can only mesh with at most 1 / 4 of the expansion fan gear, the expansion fan gear still has 3 / 4 of the area for meshing at least three driven fan gears, and the driven fan gear is connected to another connecting vertical rod with a lifting rod at the other end through the synchronization rod and the connecting cross bar, so as to realize unlimited expansion of the lifting rod of the photovoltaic pavilion, and can be freely expanded according to the size requirements of the installation scenario, thereby improving the adaptation range of the photovoltaic pavilion and the convenience of size adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of the present invention;

[0035] Figure 2 This is an illustration of the expansion of the present invention. Figure 1 ;

[0036] Figure 3 This is an illustration of the expansion of the present invention. Figure 2 ;

[0037] Figure 4 It is a schematic diagram of the decomposition of the present invention;

[0038] Figure 5 For the present invention Figure 4 A partial enlargement of Figure 1 ;

[0039] Figure 6 For the present invention Figure 4 A partial enlargement of Figure 2 .

[0040] Description of reference numerals:

[0041] 100, connecting vertical rod; 110, connecting piece; 111, connecting protrusion; 112, connecting platform; 120, guide rail; 200, lifting rod; 210, guide groove; 220, connecting plate; 230, driving rod; 240, expansion fan gear; 300, connecting cross bar; 310, synchronization rod; 320, driven fan gear; 400, driving assembly; 410, driving motor; 420, motor seat; 430, driving fan gear; 500, mounting seat; 510, mounting platform; 511, expansion hole; 520, expansion groove; 530, bushing. DETAILED DESCRIPTION

[0042] In order to facilitate the understanding of the present invention, specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0043] Unless otherwise specified or defined, the "first, second..." used in this article is merely used to distinguish names and does not represent a specific quantity or order.

[0044] Unless specifically stated or defined otherwise, the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0045] It should be noted that, in this document, “fixed to” or “connected to” may mean directly fixing or connecting to an element, or indirectly fixing or connecting to an element.

[0046] Embodiment 1:

[0047] like Figure 1-6As shown, the photovoltaic pavilion expansion lifting mechanism provided in this embodiment includes a connecting crossbar 300, a connecting vertical bar 100, a driving assembly 400 and a lifting rod 200, both ends of the connecting crossbar 300 are connected to the connecting vertical bars 100, the lifting rod 200 is arranged inside each of the connecting vertical bars 100, and the driving assembly 400 is arranged outside one of the connecting vertical bars 100;

[0048] The driving assembly 400 is connected to a driving fan gear 430 in a transmission manner. A driving rod 230 is provided on the lifting rod 200. The bottom end of the driving rod 230 is connected to an expansion fan gear 240. The driving fan gear 430 is meshed with at most 1 / 4 of the expansion fan gear 240. The driving fan gear 430 drives the expansion fan gear 240 to rotate and drives the driving rod 230 and the lifting rod 200 to rotate relative to each other. The lifting rod 200 approaches or moves away from the connecting vertical rod 100 in the axial direction of the driving rod 230.

[0049] A synchronization rod 310 is provided in each of the connecting cross bars 300 , and driven fan gears 320 are provided at both ends of the synchronization rod 310 . The driven fan gear 320 is meshed and connected with at most 1 / 4 of the expansion fan gear 240 on the same side.

[0050] In some embodiments, a connecting plate 220 is provided at the bottom of the lifting rod 200 , and the driving rod 230 is provided on the connecting plate 220 . The driving rod 230 is screwed to the connecting plate 220 .

[0051] By screwing the connecting plate 220 and the driving rod 230, the connecting plate 220 drives the lifting rod 200 to move in the axial direction of the driving rod 230 during the rotation of the driving rod 230, thereby achieving the technical purpose of adjusting the ceiling height of the photovoltaic pavilion by raising and lowering the lifting rod 200.

[0052] In some embodiments, a guide rail 120 is provided on the inner wall of the connecting vertical rod 100 , and a guide groove 210 is provided on the outer wall of the lifting rod 200 . The guide rail 120 is embedded in the guide groove 210 to cooperate with the guide groove 210 .

[0053] By arranging a guide rail 120 on the inner wall of the connecting vertical rod 100 and a guide groove 210 on the outer wall of the lifting rod 200 , and embedding the guide rail 120 into the guide groove 210 , the lifting accuracy, stability and smoothness of the lifting rod 200 are improved.

[0054] In some embodiments, a connecting member 110 is provided on the top of the connecting vertical rod 100, a connecting protrusion 111 extending toward the center direction of the connecting vertical rod 100 is provided on the connecting member 110, and the guide rail 120 is provided on the connecting protrusion 111. The guide rail 120 extends in the axial direction of the connecting vertical rod 100.

[0055] The guide rail 120 is connected to the vertical connecting rod 100 by connecting the guide rail 120 with the connecting protrusion 111 on the connecting member 110 , so that the maintenance, repair and replacement of the guide rail 120 are facilitated.

[0056] In some embodiments, a connecting platform 112 is connected to the bottom of the connecting protrusion 111 , and the guide rail 120 is disposed on the connecting platform 112 .

[0057] By adopting the connection platform 112 to connect the guide rail 120 , the connection stability of the guide rail 120 in the connecting vertical rod 100 is improved.

[0058] In some embodiments, a mounting base 500 is further included, on which a mounting platform 510 is provided, the driving assembly 400 includes a driving motor 410 and a motor base 420, the motor base 420 is provided on the side of the mounting base 500 and connected to the mounting base 500, the driving motor 410 is provided on the motor base 420, the motor shaft of the driving motor 410 extends into the mounting platform 510 and is sleeved with the driving fan gear 430, and the bottom end of the driving rod 230 extends into the mounting platform 510 and is sleeved with the expansion fan gear 240.

[0059] By adopting a method of meshing connection between the expansion fan gear 240, the driving fan gear 430 and the driven fan gear 320 in the mounting platform 510 of the mounting seat 500, the driving motor 410 uses the action of the synchronization rod 310 to simultaneously drive multiple driving rods 230 to rotate and drive the lifting rods 200 to rise and fall to achieve the lifting and lowering of the roof of the photovoltaic pavilion, ensuring that no matter how the photovoltaic pavilion is expanded, a single driving component 400 can achieve the lifting and lowering adjustment of all the lifting rods 200.

[0060] The driving motor 410 described in this embodiment adopts a motor in the prior art, as long as it can drive the fan gear 430 to drive the expansion fan gear 240 to rotate.

[0061] In some embodiments, the top of the mounting platform 510 is open, and an expansion hole 511 is opened on the outer wall of the mounting platform 510. The expansion hole 511 is connected to the interior of the mounting platform 510. A mounting plate is set on the top of the mounting seat 500, and the bottom end of the driving rod 230 extends through the mounting plate to the mounting seat 500. The synchronization rod 310 extends through the expansion hole 511 to the mounting seat 500 and is sleeved with the driven fan gear 320.

[0062] By opening expansion holes 511 on the outer peripheral wall of the mounting platform 510 , it is convenient for the synchronization rod 310 to extend into the mounting platform 510 to achieve meshing connection between the driven fan gear 320 and the expansion fan gear 240 .

[0063] In some embodiments, a sleeve 530 is provided in the expansion hole 511 , an end of the synchronization rod 310 passes through the sleeve 530 and extends into the mounting platform 510 , and the synchronization rod 310 and the sleeve 530 rotate relative to each other.

[0064] By disposing the shaft sleeve 530 in the expansion hole 511 , the shaft sleeve 530 is utilized to improve the connection stability and load capacity of the synchronization rod 310 , thereby avoiding deformation.

[0065] In some of the embodiments, an expansion groove 520 is provided on the outer peripheral wall of the mounting seat 500 , and the end of the connecting cross bar 300 is embedded in the expansion groove 520 .

[0066] By providing expansion grooves 520 on the outer peripheral wall of the mounting seat 500 and embedding the end of the connecting cross bar 300 into the expansion groove 520, the connection stability between the connecting cross bar 300 and the mounting seat 500 is improved.

[0067] Embodiment 2:

[0068] This embodiment provides a method for expanding an expandable lifting mechanism of a photovoltaic kiosk, which is applied to the expandable lifting mechanism of the photovoltaic kiosk described in Embodiment 1, and includes the following steps:

[0069] A synchronization rod 310 is installed on at least one adjacent side wall and / or an opposite side wall connecting the vertical rod 100 and the driving assembly 400;

[0070] Insert both ends of the synchronization rod 310 into the mounting seat 500 on the same side thereof, and sleeve the driven fan gear 320 to mesh with the expansion fan gear 240;

[0071] A connecting cross bar 300 is mounted on the synchronous rod 310 , and another connecting vertical rod 100 having a lifting rod 200 is connected to the other end of the connecting cross bar 300 .

[0072] Specifically, the driving assembly 400 is first installed on the mounting seat 500, and then the driving rod 230 is installed on the mounting seat 500. The driving rod 230 is meshed and connected with the driving fan gear 430 by means of the expansion fan gear 240. Then, the lifting rod 200 is connected to the connecting plate 220 of the driving rod 230, and a connecting vertical rod 100 is sleeved on the outer wall of the lifting rod 200. The bottom of the connecting vertical rod 100 is connected to the mounting platform 510 of the mounting seat 500, thereby completing the installation of the mechanism for the driving assembly 400 to drive the single lifting rod 200 to rise and fall.

[0073] Then, a synchronization rod 310 is connected to the side wall adjacent to or opposite to the mounting platform 510 and the driving assembly 400. The synchronization rod 310 is meshed and connected with the driven fan gear 320 and the expansion fan gear 240. Then, another identical mounting seat 500 is installed at the other end of the synchronization rod 310. A driving rod 230 with an expansion fan gear 240, a lifting rod 200 and a connecting vertical rod 100 are also installed on the mounting seat 500 platform. Finally, a connecting cross bar 300 is arranged between the two mounting seats 500 to realize the structural expansion in which a single driving assembly 400 drives the lifting and lowering of two lifting rods 200 at the same time.

[0074] It is understandable that the expansion can be performed on both the two side walls adjacent to the mounting seat 500 and the driving assembly 400 as well as the opposite side wall, so that a single driving assembly 400 can drive the lifting and lowering of several lifting rods 200 at the same time.

[0075] The photovoltaic kiosk expansion lifting mechanism and expansion method provided by the present invention are compared with the prior art. The driving fan gear 430 connected by the driving assembly 400 and the expansion fan gear 240 connected by the driving rod 230 are meshed and connected at most by 1 / 4, so that the driving rod 230 is driven to rotate so that the lifting rod 200 that can rotate relative to the driving rod 230 is close to or away from the connecting vertical rod 100 in the axial direction of the driving rod 230, so that the ceiling height of the photovoltaic kiosk arranged on the top of the lifting rod 200 can be adjusted, which is suitable for different usage scenarios and is convenient for the maintenance and repair of the photovoltaic equipment on the roof of the photovoltaic kiosk. The drive fan gear 430 can only mesh with 1 / 4 of the expansion fan gear 240 at most, so that the expansion fan gear 240 still has 3 / 4 of the area to mesh with at least three driven fan gears 320. The driven fan gear 320 is connected to another connecting vertical rod 100 with a lifting rod 200 at the other end through the synchronization rod 310 and the connecting cross rod 300, so as to realize unlimited expansion of the lifting rod 200 of the photovoltaic pavilion, and can be freely expanded according to the size requirements of the installation scene, thereby improving the adaptation range of the photovoltaic pavilion and the convenience of size adjustment.

[0076] According to the disclosure and teaching of the above description, those skilled in the art to which the present invention belongs may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the present invention.

Claims

1. A photovoltaic pavilion expansion lifting mechanism, characterized in that: The invention comprises a connecting crossbar (300), a connecting vertical bar (100), a driving assembly (400) and a lifting rod (200), wherein both ends of the connecting crossbar (300) are connected to the connecting vertical bars (100), the lifting rod (200) is arranged inside each of the connecting vertical bars (100), and the driving assembly (400) is arranged outside one of the connecting vertical bars (100); The driving assembly (400) is transmission-connected with a driving fan gear (430), a driving rod (230) is provided on the lifting rod (200), the bottom end of the driving rod (230) is connected with an expansion fan gear (240), the driving fan gear (430) is meshed with at most 1 / 4 of the expansion fan gear (240), the driving fan gear (430) drives the expansion fan gear (240) to rotate and drives the driving rod (230) and the lifting rod (200) to rotate relative to each other, and the lifting rod (200) approaches or moves away from the connecting vertical rod (100) in the axial direction of the driving rod (230); A synchronization rod (310) is provided in each of the connecting cross bars (300), and driven fan gears (320) are provided at both ends of the synchronization rod (310). The driven fan gear (320) is meshedly connected with at most 1 / 4 of the expansion fan gear (240) on the same side.

2. The photovoltaic pavilion expansion lifting mechanism according to claim 1, characterized in that: A connecting plate (220) is provided at the bottom of the lifting rod (200), the driving rod (230) is provided on the connecting plate (220), and the driving rod (230) is screwed to the connecting plate (220).

3. The photovoltaic pavilion expansion lifting mechanism according to claim 1 or 2, characterized in that: A guide rail (120) is provided on the inner wall of the connecting vertical rod (100), and a guide groove (210) is provided on the outer wall of the lifting rod (200), and the guide rail (120) is embedded in the guide groove (210) and cooperates with the guide groove (210) for guidance.

4. The photovoltaic pavilion expansion lifting mechanism as claimed in claim 3, characterized in that: A connecting piece (110) is provided at the top of the connecting vertical rod (100), a connecting protrusion (111) extending toward the center direction of the connecting vertical rod (100) is provided on the connecting piece (110), and the guide rail (120) is provided on the connecting protrusion (111), and the guide rail (120) is extended in the axial direction of the connecting vertical rod (100).

5. The photovoltaic pavilion expansion lifting mechanism as claimed in claim 4, characterized in that: A connecting platform (112) is connected to the bottom of the connecting protrusion (111), and the guide rail (120) is provided on the connecting platform (112).

6. The photovoltaic pavilion expansion lifting mechanism according to claim 1 or 2, characterized in that: The invention also comprises a mounting seat (500), on which a mounting platform (510) is provided, and the driving assembly (400) comprises a driving motor (410) and a motor seat (420), wherein the motor seat (420) is provided on the side of the mounting seat (500) and is connected to the mounting seat (500), the driving motor (410) is provided on the motor seat (420), the motor shaft of the driving motor (410) extends into the mounting platform (510) and is sleeved with the driving fan gear (430), and the bottom end of the driving rod (230) extends into the mounting platform (510) and is sleeved with the expansion fan gear (240).

7. The photovoltaic pavilion expansion lifting mechanism as claimed in claim 6, characterized in that: The top of the mounting platform (510) is open, and expansion holes (511) are provided on the outer peripheral wall of the mounting platform (510), and the expansion holes (511) are connected to the inside of the mounting platform (510). A mounting plate is arranged on the top of the mounting seat (500), and the bottom end of the driving rod (230) extends through the mounting plate into the mounting seat (500), and the synchronization rod (310) extends through the expansion hole (511) into the mounting seat (500) and is sleeved with the driven fan gear (320).

8. The photovoltaic pavilion expansion lifting mechanism according to claim 7, characterized in that: A shaft sleeve (530) is provided in the expansion hole (511), and the end of the synchronization rod (310) passes through the shaft sleeve (530) and extends into the installation platform (510), and the synchronization rod (310) and the shaft sleeve (530) rotate relative to each other.

9. The photovoltaic pavilion expansion lifting mechanism according to claim 6, characterized in that: An expansion groove (520) is provided on the outer peripheral wall of the mounting seat (500), and the end of the connecting cross bar (300) is embedded in the expansion groove (520).

10. A method for expanding an expansion type lifting mechanism of a photovoltaic pavilion, characterized in that: The photovoltaic pavilion expansion lifting mechanism applied to any one of claims 1 to 9 comprises the following steps: Installing a synchronization rod (310) on at least one adjacent side wall and / or an opposite side wall connecting the vertical rod (100) and the driving assembly (400); Insert both ends of the synchronization rod (310) into the interior of the mounting seat (500) on the same side thereof, and sleeve the driven fan gear (320) to mesh with the expansion fan gear (240); A connecting cross bar (300) is mounted on the synchronization rod (310), and another connecting vertical rod (100) having a lifting rod (200) is connected to the other end of the connecting cross bar (300).

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