CN211930561U

CN211930561U - Coordinated type photovoltaic power plant support

Info

Publication number: CN211930561U
Application number: CN202020689915.9U
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: 2020-11-13
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a linkage type photovoltaic power station support, including arranging the subassembly support that the several rows passed through one row of front column and one row of back column supporting respectively, the front column was articulated with the subassembly support, the back column includes that the lower part is equipped with the stand barrel of screw rod support, it has the lifting screw rod that the lower extreme linked firmly the worm wheel to rotate the support on the screw rod support, the worm with the worm wheel meshing links firmly on a worm shaft, it has the lift seat of connecting rod support to spin on the lifting screw rod, the connecting rod support passes stand barrel wall and is articulated with the connecting rod, the connecting rod other end is articulated with the subassembly support; the lifting seat is connected with a traction sling which bypasses a roller arranged at the upper end of the upright post cylinder and is connected with a balancing weight; and worm shafts corresponding to the component supports are in transmission connection with the linkage driving device. By adopting the linkage type photovoltaic power station support, the installation angle of each component support of the photovoltaic power station can be adjusted in a linkage and centralized manner, the load of a linkage driving device can be reduced, and the angle adjustment is convenient.

Description

Coordinated type photovoltaic power plant support

Technical Field

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

Background

The solar photovoltaic power station utilizes a large number of photovoltaic modules to be installed on the plurality of module supports to form a photovoltaic module array to realize photovoltaic power generation. The photovoltaic module absorbs sunlight irradiation to generate electric energy, the power generation efficiency of the photovoltaic module is closely related to the absorbed sunlight irradiation, in order to improve the power generation efficiency, the light receiving surface of the photovoltaic module needs to be perpendicular to the sunlight as much as possible, and therefore the mounting angle of the photovoltaic module needs to be changed along with the change of the position of the sun by the module support. In order to achieve the purpose, the component support has multiple driving structural forms, one of the common structural forms is that the component support is supported by two rows of upright columns, one row of upright columns is fixed upright columns, the upper ends of the fixed upright columns are hinged with the component support, the other row of upright columns is adjustable upright columns, the upper ends of the adjustable upright columns are hinged with the component support and can adjust the height position of the hinged position of the adjustable upright columns and the component support, the lower ends of the adjustable upright columns are hinged with a power station foundation, the height position of the hinged position of the adjustable upright columns and the component support can be changed by driving the adjustable upright columns, the component support swings around the hinged axis of the upper ends of the adjustable upright columns and the fixed upright columns to change the installation angle of the photovoltaic component, and. Although the installation angle of the photovoltaic module in the working process can be changed by the structure, the load of the driving mechanism is large when the photovoltaic module and the module support are driven to adjust to change the installation angle of the photovoltaic module due to certain weight, and particularly when all the module supports of the whole photovoltaic power station are adjusted in a centralized mode in a linkage mode, the corresponding driving mechanism is easy to damage, and the consumed power in the adjustment process is large.

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

In order to solve the technical problem, the utility model discloses a linkage type photovoltaic power station support, including arranging the subassembly support of several rows, each subassembly support is installed on the power station ground through one row of front column and one row of back column, and photovoltaic module installs on the subassembly support, the front column upper end is articulated with the subassembly support, the back column includes the stand barrel, has linked firmly the screw rod support in stand barrel lower part, has rotated the supporting on the screw rod support and has lifted screw rod, has connected lifting seat on lifted screw rod, and lifting seat and stand barrel inner wall sliding fit are equipped with the connecting rod support on lifting seat, and the connecting rod support passes the section of thick bamboo wall of stand barrel and stretches out outside the stand barrel, and the articulated connecting rod is connected on the connecting rod support, and the other end of connecting rod is articulated with the subassembly support; the upper end of the upright post cylinder body of the rear upright post 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 lower end of the lifting screw is fixedly connected with a worm wheel, worms corresponding to the worm wheels in the rear upright posts in the same assembly support are fixedly connected on the same worm shaft, and the worm shafts corresponding to the assembly supports are in transmission connection with the linkage driving device.

In the structure, because the upper end of the front upright post is hinged with the component support, the component support can swing around the axis hinged with the front upright post, so that the installation angle of the photovoltaic component installed on the component support can be changed, and the installation angle of the photovoltaic component can be adjusted along with the change of the position of the sun.

The rear upright column comprises an upright column barrel, a screw rod support is fixedly connected to the lower portion of the upright column barrel, a lifting screw rod is rotatably supported on the screw rod support, a lifting seat is connected onto the lifting screw rod in a rotating mode, the lifting seat is in sliding fit with the inner wall of the upright column barrel, a connecting rod supporting portion is arranged on the lifting seat, penetrates through the barrel wall of the upright column barrel and extends out of the upright column barrel, a connecting rod is hinged to the connecting rod supporting portion, the other end of the connecting rod is hinged to the component support, the rear upright column takes the upright column barrel as a supporting main body, and the upright column of the barrel structure has high rigidity and can improve the; the rear upright post taking the upright post barrel as the supporting main body is a fixed supporting post, the adjustment of the angle of the assembly support is not required to be realized by the length of the rear upright post, the stability of the rear upright post is improved, the lifting seat can ascend or descend by rotating the lifting screw rod, and then the assembly support can be pushed by the connecting rod to swing along a hinged axis between the winding part support and the front upright post, so that the adjustment of the installation angle of the photovoltaic assembly can be conveniently realized.

The upper end of the column barrel of the rear column is provided with a roller, the lifting seat is connected with a 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, and the angle of the photovoltaic module can be flexibly and conveniently adjusted; here, the rear pillar of the fixed structure provides a mounting base for the arrangement of the weight block, so that the load of the driving mechanism is reduced by the weight block and the angle adjustment is easily and conveniently realized.

Furthermore, as the lower end of the lifting screw is fixedly connected with a worm wheel, the worms corresponding to the worm wheels in the rear upright posts in the same assembly bracket are fixedly connected on the same worm shaft, the worm shafts corresponding to the component brackets are in transmission connection with the linkage driving device, and in the same component bracket, the lifting screw rods in the rear upright posts can be driven to rotate in a unified way through the worm shafts, so that the hinged axis between the assembly bracket and the front upright post swings, the worm shafts in the component brackets are driven in a centralized way through the linkage driving device, so that the photovoltaic component mounting angles of the component brackets can be synchronously adjusted under the action of the linkage driving device, and each component support balances certain gravity through the balancing weight, the work load of the linkage driving device is obviously reduced, the service life of the related transmission mechanism is prolonged, and the power consumption of the linkage driving device in the working process is correspondingly reduced.

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

The utility model discloses a another kind of preferred embodiment, stand barrel lower extreme links firmly on the power station ground through the connecting seat. By adopting the embodiment, the installation space of the lifting screw transmission component can be reserved between the upright post cylinder and the power station foundation due to the arrangement of the connecting seat, and the structure is reasonable and the installation is convenient.

In another preferred embodiment of the present invention, each rear pillar is correspondingly provided with a weight block. By adopting the embodiment, the balancing action of the balancing weight on the component support and the photovoltaic component on the component support can be uniformly configured on the whole length of the photovoltaic support.

The utility model discloses further preferred embodiment, each balancing weight in same subassembly support is even as an organic whole each other. By adopting the embodiment, the balancing weight block connected into a whole has good stability.

In another preferred embodiment of the present invention, the worm shaft is rotatably supported by the corresponding post cylinder. With this embodiment, the worm shaft is supported close to the worm, and stable operation of the worm can be ensured.

The utility model discloses still a further preferred embodiment the epaxial drive worm wheel that has linked firmly of worm, the epaxial drive worm that corresponds of drive worm wheel of the worm of each subassembly support links firmly in the linkage drive shaft, and the linkage drive shaft links to each other with linkage drive arrangement. By adopting the embodiment, the worm shafts corresponding to the component supports are in transmission connection with the linkage driving shaft through the respective driving worm wheels and the respective driving worms, the transmission precision of the worm wheel and worm transmission mechanism is high, the operation is stable, the linkage driving device drives the component supports to carry out angle adjustment through the linkage driving shaft, the driving worms and the driving worm wheels, the adjustment precision and the angle consistency of the component supports are ensured, the angles between photovoltaic components on different component supports and sunlight are the same, and the power generation efficiency of a photovoltaic power station is also ensured.

The utility model discloses further preferred embodiment, the linkage drive shaft passes through the chain drive pair and links to each other with linkage drive arrangement. By adopting the embodiment, the linkage driving device is connected with the linkage driving shaft conveniently, and the installation position of the linkage driving device can be flexibly arranged and is convenient to manufacture and install.

In a still further preferred embodiment of the present invention, the linkage driving device is a motor. By adopting the embodiment, the motor is used as the linkage driving device, so that the angle adjustment of the photovoltaic module can be conveniently controlled.

Drawings

The utility model discloses coordinated type photovoltaic power plant support is described in further detail below with specific embodiment in the combination of the figure.

FIG. 1 is a schematic structural diagram of one embodiment of the linkage type photovoltaic power station 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 of the structure of fig. 4 at location B-B.

In the figure: the solar photovoltaic module comprises a front upright post 1, a photovoltaic module 2, a photovoltaic module 3, a rear upright post 4, a connecting rod 5, a module support 6, a traction sling 7, a roller 8, a counterweight block 9, a linkage driving shaft 10, a worm shaft 11, a linkage driving device 12, a chain transmission pair 13, a connecting seat 14, a screw rod support 14, a worm wheel 15, a lifting screw 16, a worm 17, an upright post cylinder 18, a driving worm 19, a driving worm wheel 20, a connecting rod support 21 and a lifting seat 22.

Detailed Description

In the linkage type photovoltaic power station bracket shown in figures 1 and 2, a plurality of component brackets 5 are arranged in a plurality of rows from front to back, the lower side of each component bracket 5 is provided with a front row and a back row of hinged connection point positions, the component brackets 5 are supported by the front row and the back row of hinged connection point positions, each hinged connection point position of the front row at the lower side of the component bracket 5 is respectively hinged with the upper ends of front upright posts 1 which are arranged in a row, the lower ends of the front upright posts 1 are fixedly connected with a power station foundation, the component bracket 5 can swing around the hinged axis of the lower side of the component bracket and the upper ends of the front upright posts 1 to adjust the installation angle of photovoltaic components 2 thereon, each hinged connection point position of the lower side of the component bracket 5 at the back row is respectively hinged with the upper ends, like this, each module support 5 is installed on the power station ground through one row of front column 1 and one row of back column 3, and a plurality of photovoltaic module 2 are installed on each module support 5. Referring to fig. 3, the rear vertical column 3 includes a vertical column cylinder 18, the vertical column cylinder 18 is a cylindrical member with a rectangular cross section, the lower end of the vertical column cylinder 18 is fixedly connected to the power station foundation through a connecting seat 13, so that a certain space is left between the lower end of the vertical column cylinder 18 and the power station foundation, the lower part of the vertical column cylinder 18 is fixedly connected to a screw support 14, a lifting screw 16 is rotatably supported on the screw support 14, a worm wheel 15 is fixedly connected to the lower end of the lifting screw 16, referring to fig. 5, worms 17 corresponding to the worm wheels 15 in the rear vertical columns 3 in the same assembly support 5 are fixedly connected to the same worm shaft 10, and the worm shafts 10 are rotatably supported on the corresponding vertical column cylinders 18. Referring to fig. 4 and 5, a lifting seat 22 is screwed on the lifting screw 16, the shape of the lifting seat 22 corresponds to the shape of the inner wall of the column cylinder 18, the periphery of the lifting seat 22 is in sliding fit with the inner wall of the column cylinder 18 and can move up and down along with the rotation of the lifting screw 16, a through groove is formed in the front side wall of the column cylinder 18, 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 column cylinder 18 and extends out of the column cylinder 18, the length of the through groove corresponds to the stroke of the lifting seat 22, and the lower end of the connecting rod 4 is hinged to the connecting; the upper end of the column barrel 18 of the rear column 3 is provided with a front roller 7 and a rear roller 7, the rollers 7 are rotatably supported on the column barrel 18 through pin shafts, the lifting seat 22 is connected with a traction sling 6, the traction sling 6 bypasses the two rollers 7 to be connected with the balancing weight 8, each rear column 3 is correspondingly provided with a balancing weight 8, and the balancing weights 8 in the same assembly bracket 5 are mutually connected into a whole.

The worm shafts 10 corresponding to the respective module supports 5 are in transmission connection with the linkage driving device 11, as shown in fig. 2, 3 and 5, as a preferred embodiment, each worm shaft 10 is fixedly connected with a driving worm wheel 20, the driving worm 19 corresponding to the driving worm wheel 20 on the worm shaft 10 corresponding to the respective module support 5 is fixedly connected with the linkage driving shaft 9, the linkage driving shaft 9 is connected with the linkage driving device 11 through a chain transmission pair 12, of course, the linkage driving shaft 9 can also be connected with the linkage driving device 11 through a gear pair or other transmission devices, the linkage driving device 11 is preferably a motor, and the motor is installed on the foundation of the power station.

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 counterweight 8 may be provided with a counterweight 8 corresponding to two adjacent rear uprights 3 instead of one corresponding to each rear upright 3; the column tube 18 may be a tube having a cross section of other polygonal or circular shape, instead of a tube 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

1. The utility model provides a linkage type photovoltaic power plant support, is including arranging module support (5) of several rows, and each module support (5) is installed on the power plant ground through one row of front column (1) and one row of rear column (3), and photovoltaic module (2) are installed on module support (5), its characterized in that: the upper end of the front upright post (1) is hinged with the component support (5), the rear upright post (3) comprises an upright post cylinder (18), the lower part of the upright post cylinder (18) is fixedly connected with a screw support (14), a lifting screw (16) is rotatably supported on the screw support (14), a lifting seat (22) is rotatably connected on the lifting screw (16), the lifting seat (22) is in sliding fit with the inner wall of the upright post cylinder (18), a connecting rod supporting part (21) is arranged on the lifting seat (22), the connecting rod supporting part (21) penetrates through the cylinder wall of the upright post cylinder (18) and extends out of the upright post cylinder (18), a connecting rod (4) is hinged on the connecting rod supporting part (21), and the other end of the connecting rod (4) is hinged with the component support (5); the upper end of a column barrel (18) of the rear column (3) is provided with a roller (7), a lifting seat (22) is connected with a traction sling (6), and the traction sling (6) bypasses the roller (7) and is connected with a balancing weight (8); the lower end of the lifting screw (16) is fixedly connected with a worm wheel (15), worms (17) corresponding to the worm wheels (15) in the rear upright posts (3) in the same assembly support (5) are fixedly connected on the same worm shaft (10), and the worm shafts (10) corresponding to the assembly supports (5) are in transmission connection with the linkage driving device (11).

2. The coordinated photovoltaic power plant support of claim 1, characterized in that: the column barrel (18) is a cylindrical component with a rectangular section.

3. The coordinated photovoltaic power plant support of claim 1 or 2, characterized in that: the lower end of the upright post cylinder (18) is fixedly connected to a power station foundation through a connecting seat (13).

4. The coordinated photovoltaic power plant support of claim 1, characterized in that: each rear upright post (3) is correspondingly provided with a balancing weight (8).

5. The coordinated photovoltaic power plant support of claim 1 or 4, characterized in that: all the balancing weights (8) in the same component bracket (5) are mutually connected into a whole.

6. The coordinated photovoltaic power plant support of claim 1, characterized in that: the worm shaft (10) is rotatably supported on the corresponding upright cylinder (18).

7. The coordinated photovoltaic power plant support of claim 1, characterized in that: the worm shaft (10) is fixedly connected with a driving worm wheel (20), driving worms (19) corresponding to the driving worm wheels (20) on the worm shafts (10) of the component supports (5) are fixedly connected with a linkage driving shaft (9), and the linkage driving shaft (9) is connected with a linkage driving device (11).

8. The coordinated photovoltaic power plant support of claim 7, characterized in that: the linkage driving shaft (9) is connected with the linkage driving device (11) through a chain transmission pair (12).

9. The coordinated photovoltaic power plant support of claim 1, 7 or 8, characterized in that: the linkage driving device (11) is a motor.