CN211959138U - Double-shaft linkage type photovoltaic tracking support - Google Patents

Abstract

The utility model discloses a double-shaft linkage type photovoltaic tracking support, which comprises a photovoltaic component and a row of component supports, wherein each component support is supported by a fixed support and adjustable supports on the left side and the right side, each adjustable support comprises a support cylinder body provided with a screw support, a lifting screw which is screwed with a lifting seat is arranged on the screw support, and the lifting screw is in transmission connection with a linkage driving device on the same side through a worm gear pair; three spherical hinged seats are fixedly connected to each component support, the connecting rod supporting part of each connecting rod hinged to the lifting seat extends out of the column body of the support column, a hinged sphere of each spherical hinged seat is movably supported in an upper hemispherical shell and a lower hemispherical shell, and the three lower hemispherical shells are arranged at the upper ends of the fixed support column and the two connecting rods; the lifting seat is connected with the balancing weight through a traction sling which bypasses a roller at the upper end of the pillar barrel. The double-shaft linkage type photovoltaic tracking support can not only realize linkage and centralized adjustment of the installation angle of the photovoltaic module by each photovoltaic support in a photovoltaic power station, but also reduce the load of a linkage driving device and facilitate angle adjustment.

Description

Double-shaft linkage type photovoltaic tracking support

Technical Field

The utility model relates to a solar photovoltaic power station especially relates to a support of solar photovoltaic power station.

Background

The solar photovoltaic power station comprises a plurality of photovoltaic supports for supporting photovoltaic modules, in order to improve the power generation efficiency of the photovoltaic power station, the photovoltaic supports with adjustable photovoltaic module installation angles are usually adopted, one of the common structures of the photovoltaic supports is that the assembly supports for installing the photovoltaic modules are supported on a front support and two rear supports through spherical hinges, the lengths of the two rear supports can be adjusted, so that the installation angles of the battery module supports can be changed through adjusting the lengths of the rear supports, the light receiving surfaces of the photovoltaic modules on the assembly supports are perpendicular to sunlight as much as possible, and the power generation efficiency is improved. However, since the photovoltaic module and the module support have a certain weight, when the photovoltaic module and the module support are driven to adjust the length of the rear support so as to change the installation angle of the photovoltaic module, the load of the driving mechanism is large, and in order to adjust the operation conveniently and control conveniently, the photovoltaic power station can adjust the installation angles of the photovoltaic modules on the plurality of photovoltaic supports uniformly by one set of linkage driving device.

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 biax coordinated type photovoltaic tracking support is provided, it can not only make each photovoltaic support realize the linkage in the photovoltaic power plant and concentrate the installation angle who adjusts photovoltaic module, can alleviate linkage drive arrangement load moreover, makes angle modulation light.

In order to solve the technical problem, the utility model discloses a biax coordinated type photovoltaic tracking support, including photovoltaic module and a plurality of subassembly supports that are used for supporting photovoltaic module, the subassembly support passes through a fixed support and two adjustable pillars support 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 supporting on the screw rod support and has lifted the screw rod, has screwed 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 support on the lifted seat, and the connecting rod support passes the section of thick bamboo wall of pillar barrel and stretches out outside the pillar barrel, articulates on the connecting rod support 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, and the three lower hemispherical shells are fixedly connected with the upper ends of the fixed support columns and the upper ends of the two connecting rods respectively; the upper end of the column barrel of the adjustable column is provided with a roller, the lifting seat is connected with a traction sling, and the traction sling bypasses the roller and is connected with a balancing weight; the assembly support comprises a plurality of assembly supports, a plurality of worm wheels, a plurality of worm rods, a plurality of linkage driving devices and a plurality of lifting screws, wherein the assembly supports are arranged in a row, two adjustable supporting columns in each assembly support are positioned on the left side and the right side, the lower ends of the lifting screw rods in the adjustable supporting columns are fixedly connected with the worm wheels, worm rods meshed with the worm wheels are rotatably supported on supporting column barrels, the worm rods in the adjustable supporting columns on the same side are fixedly connected on the same driving.

In the structure, the component support is supported on the power station foundation through the fixed support and the two adjustable supports, so that the component support is supported by three supports to form three-point support, and the component support is short in length, small in deformation, high in rigidity and good in overall stability and stretches out of a supporting point; 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.

The upper end of the pillar barrel of the adjustable pillar is provided with the roller, the lifting seat is connected with the traction sling, the traction sling bypasses the roller and is connected with the counterweight block, the set counterweight block provides an upward pulling force for the lifting seat under the guidance of the roller through the traction sling, the pulling force can balance the gravity of the photovoltaic module and the module bracket acting on the connecting rod supporting part on the lifting seat through the connecting rod, the load of the lifting seat acting on the lifting screw rod is obviously reduced, the load of the driving mechanism is reduced, the angle adjustment of the photovoltaic module is flexible and light, and the power consumption in the working process of the driving device is also obviously reduced; the adjustable support column, which uses the support column cylinder as the fixing structure of the supporting main body, provides a mounting base for the arrangement of the counterweight block, so that the load of the driving device is lightened through the counterweight block, and the angle adjustment is convenient and easy to realize.

The lifting screw rods in the adjustable struts on the same side in each component support arranged in a line are driven by a linkage driving device through the driving shafts and the corresponding worm and gear pairs in a centralized manner, the adopted worm and gear pairs have compact structure and good self-locking performance, so that the adjusted position can be kept, the adjustable struts on the left and the right sides corresponding to each component support are respectively driven by the respective linkage driving devices in a centralized manner, when the two linkage driving devices are driven to adjust simultaneously, the angle of each component support in the high-low direction is changed around the spherical hinge fulcrum of the corresponding fixed support, when the two linkage driving devices are independently driven to adjust or respectively and asynchronously adjust, the angle of each component support in the left-right direction is changed around the spherical hinge fulcrum of the corresponding fixed support, or the angle of each component support in the high-low direction and the angle of each component support in the left-right direction are simultaneously changed, so that the requirement of linkage centralized tracking of the solar high-low and left-right movement tracks can be well met, and because the gravity of each component support is balanced through the balancing weight, the working load of the linkage driving devices is obviously reduced, the service life of related transmission mechanisms is prolonged, and the power consumption of the linkage driving devices in the working process is correspondingly reduced.

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.

In a further preferred embodiment of the present invention, the driving shaft is connected to the respective linkage driving device through a chain transmission pair. By adopting the implementation mode, the flexible arrangement of the installation positions of the linkage driving devices is convenient, and the installation is convenient.

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

Drawings

The following describes the double-shaft linkage type photovoltaic tracking support in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a specific embodiment of the double-shaft linkage type photovoltaic tracking support 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, 2-photovoltaic module, 3-adjustable support, 4-spherical hinge seat, 5-upper hemispherical shell, 6-lower hemispherical shell, 7-module support, 8-connecting rod, 9-roller, 10-traction sling, 11-counterweight block, 12-driving shaft, 13-linkage driving device, 14-connecting seat, 15-chain transmission pair, 16-screw rod support, 17-lifting screw rod, 18-worm, 19-worm wheel, 20-support cylinder, 21-connecting rod support, 22-lifting seat, 23-hinged sphere, 24-column hole part, 25-hemispherical hole part, 26-conical hole part, 27-hemispherical groove and 28-connecting column.

Detailed Description

In the double-shaft linkage type photovoltaic tracking support shown in fig. 1 and 2, a photovoltaic module 2 is fixedly supported on a plurality of module supports 7, the module supports 7 are arranged in a row, each module support 7 is supported on a power station foundation through a fixed support 1 and two adjustable supports 3, and the two adjustable supports 3 in each module support 7 are positioned on the left side and the right side.

Referring to fig. 3, the adjustable supporting column 3 includes a supporting column cylinder 20, the supporting column cylinder 20 is a cylindrical member with a rectangular cross section, the lower end of the supporting column cylinder 20 is fixedly connected to the power station foundation through a connecting seat 14, a certain space is left between the supporting column cylinder 20 and the power station foundation, a screw support 16 is fixedly connected to the lower portion of the supporting column cylinder 20, a lifting screw 17 is rotatably supported on the screw support 16, a worm wheel 19 is fixedly connected to the lower end of the lifting screw 17, the worm wheel 19 is located below the screw support 16, a worm 18 meshed with the worm wheel 19 is rotatably supported on the supporting column cylinder 20, and the worm 18 is fixedly connected to the driving shaft 12.

The worm 18 in each adjustable support 3 on the same side is fixedly connected to a driving shaft 12, the driving shafts 12 on both sides are respectively in transmission connection with respective linkage driving devices 13, referring to fig. 5, the linkage driving devices 13 are motors, the motors are installed on the power station foundation, the two driving shafts 12 are respectively in transmission connection with the respective linkage driving devices 13 through chain transmission pairs 15, and the chain transmission pairs 15 are located in the middle of the driving shafts 12 in the length direction.

Referring to fig. 4 and 5, a lifting seat 22 is screwed on the lifting screw 17, the shape of the lifting seat 22 corresponds to the shape of the inner wall of the pillar cylinder 20, the lifting seat 22 is in sliding fit with the inner wall of the pillar cylinder 20 and can move up and down along with the rotation of the lifting worm 17, a through groove is formed in the front side wall of the pillar cylinder 20, a connecting rod supporting part 21 is arranged on the lifting seat 22, the connecting rod supporting part 21 penetrates through the through groove in the cylinder wall of the pillar cylinder 20 and extends out of the pillar cylinder 20, the length of the through groove corresponds to the stroke of the lifting seat 22, and a connecting rod 8 is hinged on the connecting rod supporting part; the upper end of the pillar barrel 20 is provided with a front roller 9 and a rear roller 9, the rollers 9 are rotatably supported on the pillar barrel 20 through pin shafts, the lifting seat 22 is connected with a traction sling 10, and the traction sling 10 is connected with a balancing weight 11 by bypassing the two rollers 9.

Three spherical hinge seats 4 are fixedly connected to the component support 7, as shown in fig. 6 and 7, a hinged sphere 23 is arranged at the lower end of each spherical hinge seat 4, the hinged sphere 23 is movably supported in the upper hemispherical shell 5 and the 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 24, a hemispherical hole part 25 and a conical hole part 26 which are arranged from bottom to top, and 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 includes a hemispherical recess 27 slidably fitted with the hinge ball 23, a connection post 28 inserted into the post hole portion 24 of the upper hemispherical shell 5 is provided at the outer periphery of the hemispherical recess 27, and the hinge ball 23 movably supported in the upper and lower hemispherical shells 5 and 6 is inserted into the upper hemispherical shell 5 to slidably fit the hemispherical hole portion 25 and the hemispherical recess 27 of the lower hemispherical shell 6. The three lower hemispherical shells 4 are respectively fixedly connected with the upper end of the fixed strut 1 and the upper ends of the two connecting rods 8, the mounting surface of the lower hemispherical shell 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. For example, the two driving shafts 12 may be in transmission connection with the respective linkage driving devices 13 through coupling parts at the shaft ends of the driving shafts or through gear pairs instead of being in transmission connection with the respective linkage driving devices 13 through the chain transmission pairs 15; the column cylinder 20 may be a cylindrical member having a cross section of other polygonal shape or a circular shape, instead of a cylindrical member having a rectangular cross section. 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 (9)

1. The utility model provides a biax coordinated type photovoltaic tracking support, includes photovoltaic module (2) and is used for supporting a plurality of subassembly supports (7) of photovoltaic module (2), 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 (20), a screw support (16) is fixedly connected to the lower portion of each support column barrel (20), a lifting screw (17) is rotatably supported on each screw support (16), a lifting seat (22) is rotatably connected onto each lifting screw (17), each lifting seat (22) is in sliding fit with the inner wall of each support column barrel (20), a connecting rod supporting portion (21) is arranged on each lifting seat (22), each connecting rod supporting portion (21) penetrates through the barrel wall of each support column barrel (20) and extends out of each support column barrel (20), and each connecting rod supporting portion (21) is hinged with a connecting rod (8); the assembly support (7) is fixedly connected with three spherical hinged seats (4), the lower ends of the spherical hinged seats (4) are provided with hinged spheres (23), the hinged spheres (23) 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), and the three lower hemispherical shells (6) are fixedly connected with the upper ends of the fixed pillars (1) and the upper ends of the two connecting rods (8) respectively; the upper end of a support cylinder body (20) of the adjustable support (3) is provided with a roller (9), a lifting seat (22) is connected with a traction sling (10), and the traction sling (10) bypasses the roller (9) and is connected with a balancing weight (11); a plurality of subassembly supports (7) are arranged in a row, two adjustable pillars (3) in each subassembly support (7) are located the left and right sides, lifting screw (17) lower extreme in adjustable pillar (3) has linked firmly worm wheel (19), rotating support has worm (18) with worm wheel (19) looks meshing on pillar barrel (20), worm (18) in each adjustable pillar (3) that are located same side link firmly on same drive shaft (12), two drive shafts (12) are connected with respective linkage drive device (13) transmission respectively.

2. The dual-axis linkage photovoltaic tracking support according to claim 1, wherein: the pillar cylinder (20) is a cylindrical member having a rectangular cross section.

3. The dual-axis linkage photovoltaic tracking support according to claim 1 or 2, characterized in that: the lower end of the pillar cylinder (20) is fixedly connected to a power station foundation through a connecting seat (14).

4. The dual-axis linkage photovoltaic tracking support according to 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 (24), a hemispherical hole part (25) and a conical hole part (26) which are arranged from bottom to top, the hinged ball body (23) is inserted into the upper hemispherical shell (5) and is in sliding fit with the hemispherical hole part (25), 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 dual-axis linkage photovoltaic tracking support according to claim 1, wherein: the lower hemispherical shell (6) comprises a hemispherical groove (27) which is in sliding fit with the hinged sphere (23), and a connecting column (28) which is spliced with the column hole part (24) of the upper hemispherical shell (5) is arranged on the periphery of the hemispherical groove (27).

6. The dual-axis linkage photovoltaic tracking support according to 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 dual-axis linkage photovoltaic tracking support according to 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 dual-axis linkage photovoltaic tracking support according to claim 1, wherein: the driving shafts (12) are in transmission connection with respective linkage driving devices (13) through chain transmission pairs (15).

9. The dual-axis linkage photovoltaic tracking support according to claim 1 or 8, wherein: the linkage driving device (13) is a motor.

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