CN211959139U

CN211959139U - Three-column solar photovoltaic bracket

Info

Publication number: CN211959139U
Application number: CN202020688528.3U
Authority: CN
Inventors: 殷凤乾; 殷怀军; 汪振斌; 殷健; 王小安; 夏卫亭
Original assignee: Jiangsu Yanshan Photovoltaic Equipment Co ltd
Current assignee: Jiangsu Yanshan Photovoltaic Equipment Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-11-17
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a three-column solar photovoltaic support, the subassembly support of pillar supporting is adjusted with two including photovoltaic module and through a fixed stay, adjustable pillar includes that the lower part has linked firmly the pillar barrel of screw rod support, it has the lifting screw who has connect the seat of going up and down soon to rotate the support on the screw rod support, seat of going up and down and pillar barrel inner wall sliding fit, it has the connecting rod support of connecting rod to be equipped with the hinge that stretches out outside the pillar barrel on the seat of going up and down, three ball-hinged seat has been linked firmly on the subassembly support, the lower extreme of ball-hinged seat is equipped with articulated spheroid, articulated spheroid movable support is in episphere shell and the lower hemisphere shell that links firmly each other, three lower hemisphere shell links firmly with the upper end of fixed stay upper end and two connecting rods respectively, lifting screw on two adjustable pillars is connected with respective drive arrangement transmission respectively. Adopt the utility model discloses a three-upright-column solar photovoltaic support can not only realize photovoltaic module to the tracking of solar position, and stable in structure can install more photovoltaic module moreover.

Description

Three-column solar photovoltaic bracket

Technical Field

The utility model relates to a photovoltaic power generation device especially relates to a photovoltaic power generation device's support.

Background

The photovoltaic power generation device generally comprises a photovoltaic module and a photovoltaic bracket for supporting the photovoltaic module, and the photovoltaic module absorbs sunlight irradiation to generate power. The power generation amount of the photovoltaic module depends on the received sunlight irradiation amount, when the light receiving surface of the photovoltaic module is perpendicular to the sunlight, the received sunlight irradiation amount is the largest, and in order to improve the power generation efficiency of the photovoltaic power generation device, the installation angle of the photovoltaic module needs to be changed through a photovoltaic support, so that the light receiving surface can be kept perpendicular to the sunlight as much as possible along with the change of the position of the sun.

The common photovoltaic support structure capable of changing the installation angle of the photovoltaic module is characterized in that the photovoltaic module is installed on a module support, the module support is movably supported on a stand column through two cross rotating shafts, and a driving module support rotates around the two rotating shafts to enable the module support to change the installation angle along the height direction and the left direction and the right direction, so that the angle of the photovoltaic module on the module support can be changed along with the change of the position of the sun, the light receiving surface is perpendicular to the sunlight as much as possible, and the power generation efficiency is improved. In the structural form, the component support is supported on the stand column, so that the structural stability and the rigidity of the component support are ensured, and the deformation caused by bearing the photovoltaic component is avoided, so that the number of the photovoltaic components which can be arranged on the component support is limited, otherwise, the peripheral part of the component support can generate larger deflection, and the normal operation of the photovoltaic power generation device cannot be ensured.

SUMMERY OF THE UTILITY MODEL

Not enough to the above that prior art exists, the utility model aims to solve the technical problem that a three-column solar photovoltaic support is provided, it can not only realize photovoltaic module to the tracking of sun position, and stable in structure can install more photovoltaic module moreover.

In order to solve the technical problem, the utility model discloses a three-column solar photovoltaic support, including photovoltaic module and subassembly support, the subassembly support passes through a fixed support and two adjustable pillar supports on the power station ground, adjustable pillar includes the pillar barrel, has linked firmly the screw rod support in pillar barrel lower part, has rotated the support on the screw rod support and has lifted the screw rod, has connect on the lifting screw rod and has lifted the seat, lifts the seat and pillar barrel inner wall sliding fit, is equipped with the connecting rod bearing portion on lifting the seat, and the connecting rod bearing portion passes the section of thick bamboo wall of pillar barrel and stretches out outside the pillar barrel, articulates on the connecting rod bearing portion and has the connecting rod; the assembly bracket is fixedly connected with three spherical hinge seats, the lower ends of the spherical hinge seats are provided with hinged spheres, the hinged spheres are movably supported in an upper hemispherical shell and a lower hemispherical shell, the upper hemispherical shell is fixedly connected with the lower hemispherical shell, the three lower hemispherical shells are respectively fixedly connected with the upper ends of the fixed struts and the upper ends of the two connecting rods, and the lifting screw rods on the two adjustable struts are respectively in transmission connection with respective driving devices.

In the structure, because the component support is supported on the power station foundation through the fixed support column and the two adjustable support columns, the component support is supported by three support columns to form three-point support, compared with a structure supported by one upright column in the prior art, the structure supported by the three-point support has the advantages that the length of the component support which is suspended outside a supporting point is short, the deformation is small, the rigidity is high, the integral stability is good, the component support can be made larger, and more photovoltaic components can be installed; the supporting structure formed by the fixed supporting column and the two adjustable supporting columns can change the installation angle of the component support by adjusting the supporting height of the component support through the two adjustable supporting columns, and the change of the angle can lead the light receiving surface of a photovoltaic component installed on the supporting structure to change along with the change of the left, the right and the height of the position of the sun, lead the light receiving surface to be vertical to the sunlight as far as possible and realize the tracking of the position of the sun by the photovoltaic component.

The adjustable strut comprises a strut cylinder, a screw support is fixedly connected to the lower part of the strut cylinder, a lifting screw is rotatably supported on the screw support, a lifting seat is screwed on the lifting screw, the lifting seat is in sliding fit with the inner wall of the strut cylinder, a connecting rod supporting part is arranged on the lifting seat, the connecting rod supporting part penetrates through the cylinder wall of the strut cylinder and extends out of the strut cylinder, a connecting rod is hinged on the connecting rod supporting part, the adjustable strut takes the strut cylinder as a supporting main body, the strut of the cylinder structure has higher rigidity, the strut cylinder is a strut of a fixed structure, the adjusting function of the adjustable strut is realized by the lifting screw and the lifting seat in the strut cylinder, the connecting rod hinged on the connecting rod supporting part extending outwards from the lifting seat is connected with an assembly bracket, the assembly bracket is adjusted by changing the height position at the connecting rod joint along with the lifting of the lifting seat, so that the adjustment of the adjustable strut does not need to change the structural length, the stability of the adjustable support is improved.

And when the two connecting rods ascend and descend along with the respective lifting seats, the component support can swing up and down and left and right around the spherical hinged supporting points of the fixed supporting columns, so that the mounting angle can be changed without hindrance, and the photovoltaic components on the component support can track the position of the sun.

And when the two adjustable pillars respectively adjust the lifting seats through the lifting screw rods to change different heights, the assembly support changes the angle in the left and right directions around the spherical hinged fulcrum of the fixed pillar, so that the tracking requirements on the solar altitude and the solar horizontal movement track can be well met.

The utility model discloses a preferred embodiment, the pillar barrel is the tube-shape component that the cross-section is the rectangle. By adopting the embodiment, the pillar barrel with the rectangular section has higher rigidity, and the lifting seat which is in sliding fit with the inner wall of the pillar barrel cannot rotate in the lifting process, so that the working is stable and reliable.

The utility model discloses a another kind of preferred embodiment, pillar barrel lower extreme links firmly on the power station ground through the connecting seat. By adopting the embodiment, the connecting seat is arranged, so that the installation space of the lifting screw transmission member can be reserved between the pillar barrel and the power station foundation, and the structure is reasonable and the installation is convenient.

The utility model discloses a still another preferred embodiment, the upper hemisphere shell is the cyclic annular component that is formed by two parts combination about, and the hole of upper hemisphere shell includes from bottom to top arranged column hole portion, hemisphere hole portion and taper hole portion, articulated spheroid inserts in the upper hemisphere shell with hemisphere hole portion sliding fit, is equipped with a plurality of connecting bolt holes that are connected with lower hemisphere shell on the lateral wall of upper hemisphere shell. By adopting the embodiment, the annular upper hemispherical shell formed by combining the left part and the right part is convenient to be installed and connected with the hinged sphere and the lower hemispherical shell, the hemispherical hole part can form a good limiting support for the upper half part of the hinged sphere, the taper hole part can ensure the range of the movable angle between the spherical hinge seat and the upper hemispherical shell, and the column hole part can be convenient to be connected with the lower hemispherical shell in a positioning way.

The utility model discloses further preferred embodiment, lower hemisphere shell includes the hemisphere recess with articulated spheroid sliding fit, is equipped with the spliced pole of pegging graft mutually with the post hole portion of last hemisphere shell in hemisphere recess's periphery. By adopting the embodiment, the hemispherical groove can form a good support for the lower half part of the hinged sphere, and the connecting column can be convenient for connecting and positioning with the upper hemispherical shell.

In another preferred embodiment of the present invention, the lower hemispherical shell mounting surface at the upper end of the fixing support is an inclined surface. By adopting the embodiment, the moving range between the spherical hinge seat and the upper hemispherical shell can be fully utilized, and the angle adjusting range of the component support is ensured.

In a further preferred embodiment of the present invention, an angle α between the lower hemispherical shell installation surface of the upper end of the fixing strut and the horizontal plane is 15 ° to 40 °. By adopting the embodiment, the included angle alpha of 15-40 degrees between the lower hemispherical shell mounting surface at the upper end of the fixed support and the horizontal plane can enable the component support to be positioned at the middle position of the height direction adjusting range and also positioned at the middle position between the spherical hinge seat and the upper hemispherical shell, so that the angle adjusting requirement of the component support is better ensured.

The utility model discloses further preferred embodiment the lifting screw lower extreme has linked firmly the worm wheel, rotates the supporting on the pillar barrel with the worm that this worm wheel meshed mutually, and this worm passes through the vice drive connection of chain drive with the drive arrangement transmission. By adopting the embodiment, the worm gear and worm pair connected with the lifting screw has a compact structure and good self-locking performance, so that the adjusted position is kept, and the worm is in transmission connection with the driving device through the chain transmission pair, so that the mounting position of the driving device is flexibly arranged, and the mounting is convenient.

In a still further preferred embodiment of the present invention, the driving device is a motor. With this embodiment, the use of a motor as the drive means facilitates control of the adjustment of the adjustable support.

Drawings

The following provides a detailed description of the three-column solar photovoltaic support according to the present invention with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a specific embodiment of the three-column solar photovoltaic bracket of the present invention;

FIG. 2 is a cross-sectional view taken at location A-A of the structure of FIG. 1;

FIG. 3 is an enlarged partial view of portion I of the structure of FIG. 1;

FIG. 4 is an enlarged partial view of section II of the structure of FIG. 1;

FIG. 5 is a cross-sectional view taken at B-B of the structure shown in FIG. 4;

FIG. 6 is a schematic view of the combination of the spherical hinge mount, the upper hemispherical shell and the lower hemispherical shell of the structure of FIG. 1;

FIG. 7 is a cross-sectional view taken at C-C of the structure of FIG. 6;

FIG. 8 is a schematic view of the structure of the upper hemispherical shell of the structure of FIG. 6;

fig. 9 is a schematic structural view of the lower hemispherical shell of the structure shown in fig. 6.

In the figure: 1-fixed support column, 2-photovoltaic component, 3-adjustable support column, 4-spherical hinged seat, 5-upper hemispherical shell, 6-lower hemispherical shell, 7-component support, 8-connecting rod, 9-driving device, 10-connecting seat, 11-screw support, 12-lifting screw, 13-worm wheel, 14-worm, 15-support column barrel, 16-chain transmission pair, 17-connecting rod supporting part, 18-lifting seat, 19-hinged sphere, 20-column hole part, 21-hemispherical hole part, 22-conical hole part, 23-hemispherical groove and 24-connecting column.

Detailed Description

In the three-column solar photovoltaic support shown in fig. 1 and 2, a photovoltaic module 2 is mounted on a module support 7, and the module support 7 is supported on a power station foundation through a fixed support 1 and two adjustable supports 3. Referring to fig. 3, the adjustable prop 3 comprises a prop barrel 15, the prop barrel 15 is a cylindrical member with a rectangular cross section, the lower end of the prop barrel 15 is fixedly connected to the power station foundation through a connecting seat 10, so that a certain space is left between the lower end of the prop barrel 15 and the power station foundation, the lower part of the pillar cylinder 15 is fixedly connected with a screw support 11, a lifting screw 12 is rotatably supported on the screw support 11, the lifting screws 12 on the two adjustable pillars 3 are respectively in transmission connection with respective driving devices 9, as shown in figures 3 and 5, a worm wheel 13 is fixedly connected with the lower end of the lifting screw 12, the worm wheel 13 is positioned below the screw support 11, a worm 14 meshed with the worm wheel 13 is rotatably supported on a support cylinder 15, the worm 14 is in transmission connection with a driving device 9 through a chain transmission pair 16, the driving device 9 is a motor, and the motor is arranged on a support cylinder 15.

Referring to fig. 4 and 5, a lifting seat 18 is screwed on the lifting screw 12, the shape of the lifting seat 18 corresponds to the shape of the inner wall of the pillar cylinder 15, the lifting seat 18 is in sliding fit with the inner wall of the pillar cylinder 15 and can move up and down along with the rotation of the lifting screw 12, a through groove is formed in the front side wall of the pillar cylinder 15, a connecting rod supporting part 17 is arranged on the lifting seat 18, the connecting rod supporting part 17 penetrates through the through groove in the cylinder wall of the pillar cylinder 15 and extends out of the pillar cylinder 15, the length of the through groove corresponds to the stroke of the lifting seat 18, and a connecting rod 8 is hinged on the connecting rod supporting part.

Three spherical hinge seats 4 are fixedly connected to the component support 7, as shown in fig. 6 and 7, a hinged sphere 19 is arranged at the lower end of the spherical hinge seat 4, the hinged sphere 19 is movably supported in an upper hemispherical shell 5 and a lower hemispherical shell 6, the upper hemispherical shell 5 is fixedly connected with the lower hemispherical shell 6 through a connecting bolt, referring to fig. 8, the upper hemispherical shell 5 is an annular component formed by combining a left part and a right part, an inner hole of the upper hemispherical shell 5 comprises a column hole part 20, a hemispherical hole part 21 and a conical hole part 22 which are arranged from bottom to top, a plurality of connecting bolt holes connected with the lower hemispherical shell 6 are arranged on the side wall of the upper hemispherical shell 5, referring to fig. 9, the lower hemispherical shell 6 comprises a hemispherical groove 23 which is in sliding fit with the hinged sphere 19, a connecting column 24 which is spliced with the column hole part 20 of the upper hemispherical shell 5 is arranged on the periphery of the hemispherical groove 23, and the hinged sphere 19 movably supported in the upper hemispherical shell 5 and the lower hemispherical shell 6 is inserted into the upper hemispherical shell 5 and slides in the hemispherical hole part Matching; the three lower hemispherical shells 6 are fixedly connected with the upper end of the fixed strut 1 and the upper ends of the two connecting rods 8 respectively, the lower hemispherical shell mounting surface at the upper end of the fixed strut 1 is an inclined surface, and the included angle alpha between the inclined surface and the horizontal plane is 15-40 degrees.

The above description has been presented only for the purpose of illustrating certain preferred embodiments of the invention, and it is not to be taken as a limitation on the invention, as many modifications and variations are possible. As described above, the column tube 13 may be a tube member having a cross section of other polygonal shapes or a tube member having a cross section of circular shape, instead of a tube member having a rectangular cross section; the worm 14 may be in transmission connection with the drive 9 not via the chain transmission pair 16, but via a gear pair. Therefore, any improvement and changes made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.

Claims

1. The utility model provides a three stand solar photovoltaic supports, includes photovoltaic module (2) and subassembly support (7), its characterized in that: the assembly support (7) is supported on a power station foundation through a fixed support column (1) and two adjustable support columns (3), each adjustable support column (3) comprises a support column barrel (15), a screw support (11) is fixedly connected to the lower portion of each support column barrel (15), a lifting screw (12) is rotatably supported on each screw support (11), a lifting seat (18) is rotatably connected onto each lifting screw (12), each lifting seat (18) is in sliding fit with the inner wall of each support column barrel (15), a connecting rod supporting portion (17) is arranged on each lifting seat (18), each connecting rod supporting portion (17) penetrates through the barrel wall of each support column barrel (15) and extends out of each support column barrel (15), and each connecting rod supporting portion (17) is hinged with a connecting rod (8); the assembly support (7) is fixedly connected with three spherical hinge seats (4), the lower ends of the spherical hinge seats (4) are provided with hinged spheres (19), the hinged spheres (19) are movably supported in an upper hemispherical shell (5) and a lower hemispherical shell (6), the upper hemispherical shell (5) is fixedly connected with the lower hemispherical shell (6), the three lower hemispherical shells (6) are fixedly connected with the upper end of the fixed support column (1) and the upper ends of the two connecting rods (8) respectively, and the lifting screws (12) on the two adjustable support columns (3) are in transmission connection with respective driving devices (9) respectively.

2. The three-column solar photovoltaic support of claim 1, wherein: the pillar cylinder (15) is a cylindrical member having a rectangular cross section.

3. The three-column solar photovoltaic support according to claim 1 or 2, characterized in that: the lower end of the pillar cylinder (15) is fixedly connected to the power station foundation through a connecting seat (10).

4. The three-column solar photovoltaic support of claim 1, wherein: the upper hemispherical shell (5) is an annular component formed by combining a left part and a right part, an inner hole of the upper hemispherical shell (5) comprises a column hole part (20), a hemispherical hole part (21) and a conical hole part (22) which are arranged from bottom to top, the hinged ball body (19) is inserted into the upper hemispherical shell (5) and is in sliding fit with the hemispherical hole part (21), and a plurality of connecting bolt holes connected with the lower hemispherical shell (6) are formed in the side wall of the upper hemispherical shell (5).

5. The three-column solar photovoltaic support of claim 1, wherein: the lower hemispherical shell (6) comprises a hemispherical groove (23) which is in sliding fit with the hinged sphere (19), and a connecting column (24) which is spliced with the column hole part (20) of the upper hemispherical shell (5) is arranged on the periphery of the hemispherical groove (23).

6. The three-column solar photovoltaic support of claim 1, wherein: the lower hemispherical shell mounting surface at the upper end of the fixed support column (1) is an inclined surface.

7. The three-column solar photovoltaic bracket of claim 6, wherein: the included angle alpha between the lower hemispherical shell mounting surface at the upper end of the fixed support (1) and the horizontal plane is 15-40 degrees.

8. The three-column solar photovoltaic support of claim 1, wherein: the lower end of the lifting screw rod (12) is fixedly connected with a worm wheel (13), a worm (14) meshed with the worm wheel (13) is rotatably supported on the pillar cylinder (15), and the worm (14) is in transmission connection with the driving device (9) through a chain transmission pair (16).

9. The three-column solar photovoltaic support according to claim 1 or 8, wherein: the driving device (9) is a motor.