CN210007646U - wind-resistant stable large-span photovoltaic supporting structure - Google Patents

Abstract

The utility model provides a stable large-span photovoltaic supporting structure of anti-wind, horizontal girder through violently indulging staggered arrangement, vertical girder and be equipped with the major structure intensity that the support column can improve large-span photovoltaic supporting structure effectively in the crossing of horizontal girder and vertical girder, in addition, stretch out cable and vertical vaulting pole through large-span photovoltaic supporting structure below, mutually support between horizontal girder and anchor cable and the anchor basis, can satisfy the structural strength of large-span photovoltaic supporting structure on span direction, thereby can realize photovoltaic module's reasonable effective arrangement under all kinds of complicated topography, simultaneously can make full use of large-span photovoltaic supporting structure's lower part space, and large-span photovoltaic supporting structure has the span big, displacement deformation is little and advantages such as anti-wind is steady, can general application in the photovoltaic engineering project under all kinds of site environment.

Description

A wind-resistant and stable large-span photovoltaic support structure

technical field

The utility model relates to the field of wind resistance design of photovoltaic support structures, in particular to a large-span photovoltaic support structure with wind resistance and stability.

Background technique

Against the background of the country's strategy of vigorously developing new energy, photovoltaic power generation technology has been widely favored by the market. With the rapid development of the industry, high-quality project land resources are rapidly exhausted. In order to meet the growing market demand while saving investment costs, the development of non-high-quality project land, such as mountains, intertidal zones, and the sky above pools, will become the main trend of the future development of the industry. However, the application of the traditional photovoltaic support structure in these fields is not flexible enough, and the photovoltaic module layout rate is low and the cost is high.

Therefore, in order to adapt to these complex site conditions, improve the space utilization rate of the site, thereby increase the power generation efficiency and improve the investment economy, it is necessary to develop a new type of large-span photovoltaic support structure with wind resistance and stability. Compared with the traditional ground support structure, this new support structure has the advantages of large span, strong site tolerance, high power generation and convenient construction. In the fields of optical complementarity and other fields, it will have a wide range of application prospects.

Utility model content

The purpose of the present invention is to provide a wind-resistant and stable large-span photovoltaic support structure in view of the problems existing in the prior art, so that the photovoltaic modules can be regularly arranged in a large-span in any complex terrain environment, and the structure can be realized. The wind resistance is stable, so as to ensure the normal and stable operation of photovoltaic modules.

For this reason, the above-mentioned purpose of the present utility model can be achieved through the following technical solutions:

A wind-resistant and stable large-span photovoltaic support structure, the wind-resistant and stable large-span photovoltaic support structure includes a plurality of horizontal main beams arranged perpendicular to the span direction and longitudinal main beams arranged at both ends of the span direction. A stagger is formed between the main beam and the longitudinal main beam, and a support column is arranged below the stagger to support the main body of the large-span photovoltaic support structure upward; longitudinal purlins are arranged above the large-span photovoltaic support structure, and the longitudinal purlins are along the The horizontal main beam arranged across the lower part perpendicular to the span direction and the lower part of the longitudinal purlin is rigidly connected with the horizontal main beam, the top of the longitudinal purlin is installed with photovoltaic modules; The tension cable, the horizontal main beam and the tension cable are provided with vertical struts whose ends are hinged with the horizontal main beam and the tension cable respectively; the outer end of the tension cable is connected with the anchor cable , the other end of the anchoring cable is fixed to the anchoring foundation.

While adopting the above technical solutions, the present invention can also adopt or combine the following technical solutions:

As a preferred solution of the present invention, the bottoms of both sides of the horizontal main beam are provided with wind-resistant stabilizing cables symmetrical along the span centerline of the horizontal main girder, and one end of the wind-resistant stabilizing cables is fixed to the corresponding horizontal main beam. On the supporting column, the other end of the wind-resistant stabilizing cable is hinged with the bottom of the horizontal main beam at one third of the span from the end of the horizontal main beam. The utility model is provided with an anti-wind stabilizing cable, and one end of the anti-wind stabilizing cable is hinged with the bottom of the horizontal main beam at one third of the span of the end, and the other end is fixed to the horizontal main beam after adjusting the appropriate position. On the corresponding support columns, the wind resistance stability of the entire large-span photovoltaic support structure can be ensured.

As a preferred solution of the present invention, the tension cable is set in the shape of a secondary parabola or a catenary along the span direction of the wind-resistant and stable large-span photovoltaic support structure, and the length of the vertical strut is set so that it is in the horizontal main direction. The spacing between the setting on the beam and the tension cables below it.

As a preferred solution of the present invention, the vertical strut is a two-force rod that is only subjected to tension and compression, and the connection position between the vertical strut and the horizontal main beam is set as a bidirectionally rotatable hinge structure to avoid the tensioning process. The middle vertical struts produce a large additional bending moment on the horizontal main beam, thereby increasing the end stress of the members on the horizontal main beam.

The utility model provides a large-span photovoltaic support structure with wind resistance and stability. The horizontal main beam and the vertical main beam are arranged in a staggered manner, and the supporting columns are arranged at the staggered position of the horizontal main beam and the longitudinal main beam. The strength of the main structure of the span photovoltaic support structure; in addition, through the cooperation between the tension cable under the large-span photovoltaic support structure, the vertical strut, the horizontal main beam, the anchoring cable and the anchoring foundation, it can meet the requirements of the large-span photovoltaic support structure. The structural strength in the span direction can realize the reasonable and effective arrangement of photovoltaic modules under various complex terrains, and at the same time can make full use of the lower space of the large-span photovoltaic support structure, and the large-span photovoltaic support structure has large span, small displacement deformation and resistance to Wind stability and other advantages can be widely used in photovoltaic engineering projects in various site environments.

Description of drawings

FIG. 1 is a plan view of a large-span photovoltaic support structure provided by the present invention.

FIG. 2 is a front view of the large-span photovoltaic support structure provided by the present invention.

Detailed ways

The present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1-2, a wind-resistant and stable large-span photovoltaic support structure includes a horizontal main beam 1 and a longitudinal main beam 2. The extension direction of the horizontal main beam 1 is parallel to the span direction of the large-span photovoltaic support structure. The longitudinal main beams 2 are arranged at both ends of the horizontal main beams 1 and are perpendicular to the horizontal main beams. A support column 3 is provided at the bottom at the intersection of the horizontal main beam 1 and the longitudinal main beam 2 . The top of the horizontal main beam 1 is provided with a longitudinal purlin 4 rigidly connected to it, and the photovoltaic module 5 is installed on the top of the longitudinal purlin 4 through bolts. The bottom of the horizontal main beam 1 is connected with the vertical strut 6 by means of hinges, and the other end of the vertical strut 6 is connected with the tension cable 7 arranged under the large-span photovoltaic support structure. Both ends of the tension cable 7 are connected to the anchor foundation 9 through the anchor cable 8 . In order to ensure the wind resistance stability of the structure, it is realized by symmetrically arranging the wind resistance stabilizing cable 10 under the horizontal main beam 1 along the span centerline direction of the horizontal main beam, and one end of the wind resistance stabilizing cable 10 is fixed to the horizontal main beam 1 On the corresponding support column 3 , the other end of the wind-resistant stabilizing cable 10 is hinged to the bottom of the horizontal main beam 1 at one third of the span of the end of the horizontal main beam 1 .

In this embodiment, the magnitude of the prestress applied by the tension cable 7 and the anti-wind stabilizing cable 10 is suitable to make the displacement and deformation of the plane of the large-span photovoltaic support structure close to 0 under no external load, and the applied The prestress should not exceed 50% of the cable design strength.

In this embodiment, the vertical strut 6 is a two-force rod that is only subjected to tension and compression, and the connection position between the vertical strut 6 and the horizontal main beam 1 is set as a two-way rotatable hinge structure to avoid tension during the tension process. The vertical struts 6 generate a large additional bending moment on the horizontal main beam 1 , thereby increasing the end stress of the members on the horizontal main beam 1 .

In this embodiment, the tension cable 7 is set in the shape of a quadratic parabola along the span direction of the large-span photovoltaic support structure. Of course, in other embodiments, it can also be set in the shape of a catenary, and the vertical support The length of the rod 6 is set at the distance between its location on the horizontal main beam 1 and the tension cable 7 below it.

The wind-resistant and stable large-span photovoltaic support structure provided by the utility model is assembled in the following manner:

First, install the support column 3, the horizontal main beam 1 and the longitudinal main beam 2 according to the layout diagram of the large-span photovoltaic support structure, then install the longitudinal purlins 4, and then connect the horizontal main beam 1 and the longitudinal strut 6 to complete the bottom of the beam The installation of the tension cable 7, the wind-resistant stabilizing cable 10 and the anchoring cable 8, and prestressing the tension cable 7 and the wind-resistant stabilizing cable 10, and the prestress is large enough to meet the plane of the large-span photovoltaic support structure under the action of gravity load The maximum displacement is preferably close to 0, and finally the photovoltaic module 5 is installed on the upper part of the longitudinal purlin 4.

The above-mentioned specific embodiments are used to explain the present utility model, and are only preferred embodiments of the present utility model, rather than limiting the present utility model. Within the spirit of the present utility model and the protection scope of the claims, any Modifications, equivalent replacements, improvements, etc., all fall within the protection scope of the present invention.

Claims (3)

1. A wind-resistant and stable large-span photovoltaic support structure, characterized in that: the wind-resistant and stable large-span photovoltaic support structure comprises a plurality of sections of horizontal main beams arranged perpendicular to the span direction and longitudinal beams arranged at both ends of the span direction. The main beam, the horizontal main beam and the longitudinal main beam are staggered, and a support column is arranged below the stagger to support the main body of the large-span photovoltaic support structure upward; longitudinal purlins are arranged above the large-span photovoltaic support structure, The longitudinal purlin spans the horizontal main beam arranged below it along the direction perpendicular to the span, and the lower part of the longitudinal purlin is rigidly connected with the horizontal main beam, and a photovoltaic module is installed on the top of the longitudinal purlin; the lower part of the horizontal main beam is provided with A tension cable spanning the entire horizontal main beam, between the horizontal main beam and the tension cable, there are vertical struts whose ends are hinged to the horizontal main beam and the tension cable respectively; The ends are connected with anchor cables, the other ends of which are fixed to the anchor foundation. 2 . The large-span photovoltaic support structure with wind resistance and stability according to claim 1 , wherein the bottoms of both sides of the horizontal main beam are provided with wind-resistant and stable cables symmetrical along the span centerline of the horizontal main beam, so the One end of the wind-resistant stabilizing cable is fixed to the support column corresponding to the horizontal main beam, and the other end of the wind-resistant stabilizing cable is hinged to the bottom of the horizontal main beam at a third span of the horizontal main beam. 3 . The wind-resistant and stable large-span photovoltaic support structure according to claim 1 , wherein the tension cable is set as a secondary parabola or a catenary along the span direction of the wind-resistant and stable large-span photovoltaic support structure. 4 . shape, and the length of the vertical strut is set to the distance between its setting on the horizontal main beam and the tension cable below it.

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