CN217824824U

CN217824824U - Connecting device of photovoltaic support and foundation suitable for great foundation deformation

Info

Publication number: CN217824824U
Application number: CN202221492031.XU
Authority: CN
Inventors: 王中平; 韩雷岩; 吕宙安; 裴晓东; 王东
Original assignee: China Three Gorges Renewables Group Co Ltd
Current assignee: China Three Gorges Renewables Group Co Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-15
Anticipated expiration: 2032-06-15

Abstract

The utility model provides a photovoltaic support and basic connecting device suitable for great ground warp, it includes shrouding and last shrouding down, is equipped with the elastomer down between shrouding and the last shrouding, and lower shrouding and last shrouding are equipped with direction stop device, make down shrouding and last shrouding parallel flexible. Through above-mentioned structure, when the shrouding is connected with the support basis back down, install the photovoltaic support stand on last shrouding and compress the elastomer, through changing the rigidity of being connected in the specific direction, change the stress state and the deformation position on photovoltaic support and basis, make to warp and take place in support basis top, when the topography takes place to warp to make whole photovoltaic support structural system stable, protect upper portion photovoltaic support and photovoltaic module not destroyed to a certain extent. The mode has low cost, convenient construction and simple installation, directly replaces the traditional welding or bolt connection, and can achieve better effect.

Description

Connecting device of photovoltaic support and basis suitable for great ground warp

Technical Field

The utility model relates to a photovoltaic power generation industry engineering technical field specifically is a photovoltaic support and basic connecting device suitable for great ground warp.

Background

The connection of the photovoltaic support and the foundation generally adopts welding, bolt connection and embedded steel pipe connection, and these connection modes can be approximately regarded as rigid connection. And arrange the photovoltaic support at soft soil foundations such as coal mining subsidence foundation, large thickness backfill soil foundation, collapsible loess foundation and mucky soil, this type of foundation is unstable, can produce great foundation deformation (can aggravate the foundation settlement after meeting water) along with the time, cause the basis to subside or uneven settlement often great, owing to adopted rigid connection mode, the tie point rigidity is great, and then arouse photovoltaic upper portion supporting structure to warp, serious meeting leads to support bolt fracture, the structural failure, cause the latent crack of subassembly, influence normal electricity generation, cause serious economic loss.

On the other hand, for the above foundation conditions, the existing specifications have required that certain foundation treatment modes, waterproof measures and certain structural measures are adopted, but these measures are not only high in cost, but also high in construction difficulty and influence the photovoltaic power station to be connected to the grid in due course, so that the method is not suitable for the photovoltaic project with the foundation deformation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the problem that exists among the above-mentioned background art is solved, a photovoltaic support and basic connecting device who is applicable to great ground deformation is provided.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the utility model provides a photovoltaic support and basic connecting device suitable for great ground warp, it includes shrouding and last shrouding down, is equipped with the elastomer down between shrouding and the last shrouding, and lower shrouding and last shrouding are equipped with direction stop device, make down shrouding and last shrouding parallel flexible.

The guiding and limiting device is of a scissor rack structure.

The guide limiting device comprises a sliding seat and a support which are respectively connected to the lower sealing plate and the upper sealing plate, the sliding seat and the support are mutually separated and correspond, the sliding seat is provided with a transverse sliding groove, one end of each of two connecting rods is hinged to the support, and the other end of each of the two connecting rods is movably connected with the sliding groove; and a rotating shaft is arranged at the crossing center of the two connecting rods to rotatably connect the two connecting rods.

The guide limiting device is arranged on two opposite sides of the lower sealing plate and the upper sealing plate.

Guard plates are arranged on two sides of the elastic body.

The guard plates are arranged on two sides of the lower sealing plate, which are not provided with the guide limiting devices.

One side that lower shrouding and last shrouding are relative is equipped with stop device fixed elastomer.

The elastic body is a pressure spring.

The limiting device is a boss extending towards the inner circle of the pressure spring.

The utility model discloses there is following beneficial effect:

1. after the lower sealing plate is connected with the support foundation, the photovoltaic support stand columns arranged on the upper sealing plate compress the elastic bodies, the stress states and deformation positions of the photovoltaic support and the foundation are changed by changing the connection rigidity in a specific direction, so that deformation occurs above the support foundation, and when the terrain deforms, the whole photovoltaic support structure system is stable, and the upper photovoltaic support and the photovoltaic assembly are protected from being damaged to a certain extent.

2. The guiding and limiting device is of a scissor rack structure. Simple structure, the practicality is strong.

3. The guide limiting device comprises a sliding seat and a support which are respectively connected with the lower sealing plate and the upper sealing plate, the sliding seat and the support are mutually separated and correspond, the sliding seat is provided with a transverse sliding groove, one end of each of two connecting rods is hinged with the support, and the other end of each of the two connecting rods is movably connected with the sliding groove; and a rotating shaft is arranged at the crossing center of the two connecting rods to rotatably connect the two connecting rods. Stable in structure, the installation of being convenient for, can install shrouding and connecting rod again with lower shrouding and support foundation connection back earlier, compact structure, convenient operation.

4. The both sides of elastomer are equipped with the backplate, further restrict the position of shrouding, prevent that it from rocking. The backplate is installed in the both sides that the shrouding did not install direction stop device down, also can be on the basis of not interfering direction stop device on the four sides set up the backplate, and spacing guide structure is more stable.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the present invention.

Fig. 3 is a schematic view of the three-dimensional mechanism for setting the guard plate of the present invention.

Fig. 4 is a schematic structural view of the present invention during installation.

Reference numerals: lower shrouding 1, slide 11, support 12, spout 13, go up shrouding 2, elastomer 3, direction stop device 4, connecting rod 41, pivot 42, backplate 5, photovoltaic support stand 6, support basis 7.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-4, a photovoltaic support and basic connecting device suitable for great ground warp, it includes shrouding 1 and last shrouding 2 down, is equipped with elastomer 3 down between shrouding 1 and the last shrouding 2, and lower shrouding 1 and last shrouding 2 are equipped with direction stop device 4, make shrouding 1 and the parallel flexible of last shrouding 2 down. Through the structure, after the lower sealing plate 1 is connected with the support foundation 7, the photovoltaic support upright post 6 arranged on the upper sealing plate 2 compresses the elastic body 3, and the stress state and the deformation position of the photovoltaic support and the foundation are changed by changing the connection rigidity in a specific direction, so that the deformation is generated above the support foundation 7, and when the deformation is generated, the whole photovoltaic support structure system is stable, and the upper photovoltaic support and the photovoltaic assembly are protected from being damaged to a certain extent. The mode has low cost, convenient construction and simple installation, directly replaces the traditional welding or bolt connection, and can achieve better effect.

In a preferred embodiment, the guiding and limiting device 4 is a scissor frame structure. Simple structure, the practicality is strong. The guiding and limiting device 4 can also adopt a guide sleeve and guide post structure, but the cost is higher, and the guiding and limiting device is not suitable for outdoor environments.

In a preferred scheme, the guiding and limiting device 4 comprises a sliding seat 11 and a support 12 which are respectively connected to the lower sealing plate 1 and the upper sealing plate 2, the sliding seat 11 and the support 12 are mutually separated and correspond to each other, the sliding seat 11 is provided with a transverse sliding groove 13, one end of each of two connecting rods 41 is hinged with the support 12, and the other end of each connecting rod is movably connected with the sliding groove 13; the crossing center of the two connecting rods 41 is provided with a rotating shaft 42 to rotatably connect the two connecting rods 41. Stable in structure and convenient to install. Can install shrouding 2 and connecting rod 41 after lower shrouding 1 is connected with support basis 7 earlier, compact structure, convenient operation.

In a preferred scheme, the guide limiting devices 4 are arranged on two opposite sides of the lower sealing plate 1 and the upper sealing plate 2, and the guide stability is better.

In a preferred embodiment, guard plates 5 are disposed on both sides of the elastic body 3 to further limit the position of the upper sealing plate 2 and prevent the upper sealing plate from shaking.

Further, the guard plates 5 are arranged on two sides of the lower sealing plate 1, which are not provided with the guide limiting devices 4. Of course, the guard plates 5 can be arranged on four sides without interfering with the guide limiting device 4, so that the structure is more stable. The cover 5 can also be connected directly to the support base 7.

In a preferable scheme, one side of the lower sealing plate 1, which is opposite to the upper sealing plate 2, is provided with a limiting device for fixing the elastic body 3, so that the elastic body 3 is prevented from moving in a crossing manner.

Further, the elastic body 3 is a compression spring. Furthermore, the pressure spring is a spring with high elastic coefficient, has a large extension range and is suitable for the part of the foundation which is likely to deform greatly. The elastic body 3 can also be elastic rubber, and is suitable for the working conditions of heavier weight and smaller foundation deformation.

Furthermore, the limiting device is a boss extending towards the inner circle of the pressure spring, and the pressure spring is limited from moving in a string mode. When the elastic body 3 is elastic rubber, the limiting device is a stop block which is abutted against the periphery of the elastic rubber block.

The utility model discloses a working process and principle:

referring to fig. 4, after lower shrouding 1 and support basis 7 are connected earlier, place the pressure spring on shrouding 1's stop device down, install shrouding 2 and connecting rod 41 again, install photovoltaic support stand 6 on last shrouding 2 again. At the beginning of installation, due to the whole weight of the photovoltaic support, the pressure spring is contracted, and after the foundation deformation support foundation 7 falls, the pressure spring is extended, so that the fall between the pressure spring and the support foundation 7 is automatically adjusted, and the whole photovoltaic support structure system is stable.

Claims

1. The utility model provides a photovoltaic support and basic connecting device suitable for great ground warp which characterized in that: it includes shrouding (1) and last shrouding (2) down, is equipped with elastomer (3) down between shrouding (1) and last shrouding (2), and lower shrouding (1) and last shrouding (2) are equipped with direction stop device (4), make shrouding (1) and last shrouding (2) parallel telescope down.

2. The connecting device for the photovoltaic bracket and the foundation applicable to large foundation deformation according to claim 1, is characterized in that: the guide limiting device (4) is of a shear shank framework.

3. The connecting device for the photovoltaic bracket and the foundation suitable for large foundation deformation according to claim 2, characterized in that: the guide limiting device (4) comprises a sliding seat (11) and a support (12) which are respectively connected to the lower sealing plate (1) and the upper sealing plate (2), the sliding seat (11) and the support (12) are mutually separated and correspond, the sliding seat (11) is provided with a transverse sliding groove (13), one end of each of two connecting rods (41) is hinged to the support (12), and the other end of each connecting rod is movably connected with the sliding groove (13); the crossing center of the two connecting rods (41) is provided with a rotating shaft (42) which connects the two connecting rods (41) in a rotating way.

4. The connecting device for the photovoltaic bracket and the foundation suitable for large foundation deformation according to claim 2, characterized in that: the guide limiting device (4) is arranged on two opposite sides of the lower sealing plate (1) and the upper sealing plate (2).

5. The connecting device for photovoltaic bracket and foundation suitable for large foundation deformation according to claim 1, characterized in that: guard plates (5) are arranged on two sides of the elastic body (3).

6. A connecting device of photovoltaic support and foundation suitable for large foundation deformation according to claim 5, characterized in that: the guard plates (5) are arranged on two sides of the lower sealing plate (1) which are not provided with the guide limiting devices (4).

7. The connecting device for the photovoltaic bracket and the foundation applicable to large foundation deformation according to claim 1, is characterized in that: one side that lower shrouding (1) and last shrouding (2) are relative is equipped with stop device fixed elastomer (3).

8. A connecting device of a photovoltaic bracket and a foundation suitable for large foundation deformation according to claim 1 or 7, characterized in that: the elastic body (3) is a pressure spring.

9. A connecting device of photovoltaic support and foundation suitable for large foundation deformation according to claim 8, characterized in that: the limiting device is a boss extending towards the inner circle of the pressure spring.