Photovoltaic power station support structure

Abstract

The utility model relates to a photovoltaic power station support structure, which comprises at least two parallel stand column groups, each stand column group comprises at least two stand columns with different heights, and the stand columns in the same stand column group are arranged in a row; each oblique beam corresponds to one stand column group and is connected with the top end of each stand column in the stand column group; the purlines are arranged between the at least two oblique beams and connect the stand column sets and the oblique beams into a whole, and the arrangement direction of the purlines is perpendicular to the arrangement direction of the oblique beams; one part of each back brace is correspondingly arranged on the highest stand column in one stand column set, the other part of each back brace is correspondingly arranged on the oblique beam, one end of each back brace is connected with the highest stand column and / or the oblique beam, and the other end of each back brace is fixedly connected with the concrete base block; according to the utility model, the stand columns and the oblique beams are connected with the concrete base blocks pre-embedded outside the gable through the back braces, so that the load generated by wind can be effectively offset, and the overall stability of the photovoltaic power station is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power station brackets, in particular to a photovoltaic power station bracket structure. Background Art

[0002] Photovoltaic power generation, also known as solar power generation, is a technology that directly converts light energy into electrical energy by utilizing the photovoltaic effect at the semiconductor interface.

[0003] In the areas where cave dwellings are distributed, since their roofs are composed of red bricks and loess, it is impossible to directly use the method of implanting steel bars to fix the columns on the roof. Therefore, concrete piles are often used as the bottom fixing device. However, when the wind pressure is large, simply using concrete blocks cannot keep the photovoltaic power station structurally stable, and the phenomenon of components being blown away easily occurs. Summary of the Utility Model

[0004] Therefore, by providing a photovoltaic power station bracket, the utility model solves the problem in the prior art that when the wind pressure is too large, the components are blown away, and realizes the enhancement of the overall stability of the photovoltaic power station.

[0005] To solve the above technical problems, the utility model provides a photovoltaic power station bracket structure, which includes at least two groups of parallel column groups. Each column group includes at least two columns with different heights, and the columns in the same column group are arranged in a row;

[0006] At least two inclined beams, each inclined beam corresponding to a column group and connected to the top of each column in the column group;

[0007] A number of purlins are arranged between the at least two inclined beams to connect the column group and the inclined beams into a whole, and the arrangement direction of the purlins is perpendicular to the arrangement direction of the inclined beams;

[0008] A number of backstay bars, a part of the backstay bars are correspondingly arranged on the highest column in a column group, and the other part is correspondingly arranged on the inclined beam. One end of each backstay bar is connected to the highest column and / or the inclined beam, and the other end is fixedly connected to a concrete base block.

[0009] In an embodiment of the utility model, the backstay bar is connected to the column and / or the inclined beam through an L-shaped angle steel. The backstay bar passes through the corresponding inclined beam and is fixedly connected to the L-shaped angle steel through a flat washer and a nut on one side of the corresponding inclined beam. The other side of the backstay bar is connected and fixed through a spring washer and a nut.

[0010] In an embodiment of the present utility model, a U-shaped bolt is provided in the concrete base block. The main body of the U-shaped bolt is buried in the concrete, and two bolt columns are exposed. The depth of the U-shaped bolt buried in the concrete is not less than 120 mm, and the height of the U-shaped bolt protruding from the concrete is not less than 40 mm.

[0011] In an embodiment of the present utility model, an upright base is provided at the bottom of the column. The upright base includes a connecting portion and a bottom. The connecting portion is provided with a first screw hole and is fixedly connected to the corresponding column through a nut; the bottom is provided with a second screw hole and is fixedly connected to the two bolt columns exposed by the corresponding U-shaped bolt through a nut.

[0012] In an embodiment of the present utility model, a first diagonal brace is provided between the column with a height greater than 1 m in the column group and the corresponding diagonal beam. The first diagonal brace connects the column and the diagonal beam through a triangular block connector, and the included angle between the first diagonal brace and the column is 45° - 60°.

[0013] In an embodiment of the present utility model, the arrangement direction of the column group is the first direction, and the arrangement direction of the columns at the same height between different column groups is the second direction. At least one of the first direction and the second direction is provided with a through beam, and the through beam connects the different columns arranged in the corresponding direction.

[0014] In an embodiment of the present utility model, a second diagonal brace and a third diagonal brace are provided between the through beam along the second direction and the column. The connecting direction of the third diagonal brace is the same as the second direction.

[0015] In an embodiment of the present utility model, the bracket is provided with side stay bars. One end of the side stay bar is connected to the corresponding column located at the edge in the second direction, and the other end is connected to the side wall.

[0016] In an embodiment of the present utility model, the bracket structure includes a drainage system. The drainage system includes a low water level water tank, a longitudinal small water tank, a transverse small water tank, a longitudinal middle water tank, and a edge wrapping water tank. The longitudinal small water tank is connected to the purlin and the component through a pressing block.

[0017] The above technical solutions of the present utility model have the following advantages compared with the prior art:

[0018] In the photovoltaic power station bracket of the present utility model, a back stay bar is provided to connect the column and the corresponding diagonal beam with the U-shaped bolt preset in the concrete through an L-shaped angle steel, effectively offsetting the load generated by the wind load and greatly enhancing the bearing capacity of the structure; a diagonal brace is provided between the column group and the corresponding diagonal beam, and through beams perpendicular and parallel to the columns are respectively provided between adjacent two columns, connecting the bracket structure into a whole and effectively enhancing the overall stability of the structure. Brief Description of the Drawings

[0019] To make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to the specific embodiments of the present utility model in combination with the drawings, wherein

[0020] Figure 1 is the elevation view of the photovoltaic support in the first direction of an embodiment of the present utility model;

[0021] Figure 2 is the connection node diagram of the back stay bar and the inclined beam of an embodiment of the present utility model;

[0022] Figure 3 is the layout diagram of the columns in the second direction of the columns in the first direction of an embodiment of the present utility model;

[0023] Figure 4 is the layout diagram of the remaining columns in the second direction of an embodiment of the present utility model;

[0024] Figure 5 is the connection node diagram of the components, purlins and water tanks in the photovoltaic power station support structure of an embodiment of the present utility model;

[0025] Figure 6 is the connection diagram of the general beam node in the second direction of an embodiment of the present utility model;

[0026] Figure 7 is the connection node diagram of the bottom of the column in the photovoltaic power station support of an embodiment of the present utility model;

[0027] Figure 8 is the connection node diagram of the bottom of the stay bar in the photovoltaic power station support of an embodiment of the present utility model;

[0028] Figure 9 is the layout diagram of the water tank in the photovoltaic power station support of an embodiment of the present utility model.

[0029] Description of the reference numerals: 1, column; 2, concrete foundation; 3, inclined beam; 4, purlin; 5, photovoltaic module; 6, back stay bar; 7, concrete base block; 8, general beam in the first direction; 9, triangular connecting piece; 10, first diagonal brace; 11, upright base; 12, U-bolt; 13, connecting bolt; 14, pressing block; 15, L-shaped angle steel; 16, flat washer; 17, spring washer; 18, nut; 19, general beam in the second direction; 20, second diagonal brace; 21, side stay bar; 22, third diagonal brace; 24, low water level water tank; 25, longitudinal small water tank; 26, transverse small water tank; 27, longitudinal medium water tank; 28, edge wrapping water tank. Detailed Description of the Embodiments

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0031] Reference Figures 1-9 As shown, a photovoltaic power station support structure proposed by an embodiment of the utility model comprises at least two parallel column groups, the column group comprises at least two columns 1 of different heights, the columns 1 in the same column group are arranged in a row, the bottom of the column is connected to a concrete base 2, the column group can have multiple columns, and the height of each column is different, and when arranged by height, the connecting line of the highest point of each column is in a straight line; at least two inclined beams 3, each of the inclined beams 3 corresponds to a column group, and is connected to the top of each column 1 of the column group, one end of the column 1 is connected to a screw hole of a triangular connector 9, and the other two screw holes of the triangular connector 9 are connected to the corresponding inclined beam 3, and are fixed by connecting bolts 13 and nuts 18; a plurality of purlins 4 are arranged between the inclined beams 3, and the columns and the corresponding inclined beams are connected as a whole to support photovoltaic modules 5, the setting direction of the purlins 4 is perpendicular to the setting direction of the inclined beams 3, and the inclined beams 3 and the purlins 4 are fixed by connecting bolts 13;

[0032] In addition, the support structure contains a back-bracing bar 6, a part of which is correspondingly arranged on the highest column 1 in a column group, and the other part is correspondingly arranged on the inclined beam 3; one end of the back-bracing bar 6 is connected to the column 1 and / or the inclined beam 3, and the other end is connected to a U-shaped bolt 12 embedded in the loess on the roof of the cave or in the concrete foundation block 7 in the earth pile behind the house; an upright base 11 is provided at the bottom of the column, and the upright base 11 includes a connecting part and a bottom, and the connecting part is provided with a screw hole corresponding to the column, and is connected to the column 1 through a nut 18, and the bottom is provided with screw holes for the two bolt columns exposed corresponding to the U-shaped bolts 12 and are fixedly connected through nuts 18.

[0033] When the wind pressure is high, the back brace 6 and the column 1 can hold the bracket and generate tension, which counteracts the thrust formed by the wind pressure, thereby effectively limiting the displacement and deformation of the bracket, which not only protects the integrity of the bracket structure, but also ensures its bearing capacity and safety of use.

[0034] The arrangement direction of the column group is set to be the first direction, and a first direction through beam 8 is set in the column group in the first direction. The first direction through beam 8 is perpendicular to the first direction and is fixedly connected by connecting bolts 13 and nuts 18 to enhance the overall stability of the bracket;

[0035] One end of the back tension bar 6 is placed between the two bolt columns exposed by the U-shaped bolt 12 embedded in the concrete base block 7. An L-shaped angle steel with screw holes corresponding to the U-shaped bolt columns is used to press the back tension bar 6 and is connected and fixed with nuts 18. An L-shaped angle steel 15 is provided at the connection between the inclined beam 3 and the purlin 4. The back tension bar 6 passes through the inclined beam 3. One end of the back tension bar is connected and fixed to the L-shaped angle steel 15, the back tension bar 6 and the inclined beam 3 through a flat washer 16 and a nut 18. The other end of the back tension bar 6 is connected and fixed through a spring washer 17 and a nut 18.

[0036] A first diagonal brace 10 is provided between the columns with a height greater than 1 meter in the column group and the corresponding inclined beam. The first diagonal brace 10 is connected to the corresponding column 1 and inclined beam 3 through a triangular connecting piece 9. The included angle between the first diagonal brace 10 and the corresponding column 1 is 45° - 60°.

[0037] The arrangement direction of the columns at the same height between different column groups is set as the second direction. A second-direction through beam 19 is provided on the last row of columns 1 along the first direction of the support structure. The through beam has screw holes corresponding to the columns 1 and is fixed through connecting bolts 13 and nuts 18. A second diagonal brace 20 is provided between the second-direction through beam 19 and the corresponding column 1 along the second direction. The second diagonal brace 20 is connected to the second-direction through beam 19 and the column 1 through a triangular connecting piece. In addition, no second-direction through beam 19 is provided between the other rows of columns 1 in this direction. Only a third diagonal brace 22 is provided between the columns 1 at both ends. The setting direction of the third diagonal brace is the same as the second direction. Side tension bars 21 are provided below the columns 1 at both ends of the second direction and are connected to the U-shaped bolts embedded in the wall to enhance the bearing capacity of the structure.

[0038] The support structure includes a drainage system that can effectively gather and drain rainwater. The drainage system mainly consists of a low-water-level water tank 24, longitudinal small water tanks 25, transverse small water tanks 26, longitudinal medium water tanks 27, and edge-wrap water tanks 28. The longitudinal small water tanks 25 are connected to the purlins 4 and photovoltaic modules 5 through pressing blocks 14. Rainwater flows from the modules into the longitudinal small water tanks 25, then through the transverse small water tanks 26, and is discharged into the longitudinal medium water tanks 27 and edge-wrap water tanks 28, and finally converges into the low-water-level water tank 24 and is discharged through a water conduit.

[0039] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or alterations can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or alterations derived therefrom are still within the protection scope of the present utility model.

Claims

1. A support structure for a photovoltaic power station, characterized in that: including at least two groups of upright post groups arranged in parallel, each upright post group including at least two upright posts of different heights, and the upright posts in the same upright post group being arranged in a row; at least two inclined beams, each inclined beam corresponding to an upright post group and being connected to the top of each upright post in the upright post group; a plurality of purlins arranged between the at least two inclined beams to connect the upright post group and the inclined beam into a whole, and the arrangement direction of the purlins being perpendicular to the arrangement direction of the inclined beams; a plurality of back tension bars, a part of the plurality of back tension bars being correspondingly arranged on the highest upright post in an upright post group, and the other part being correspondingly arranged on the inclined beam, one end of each back tension bar being connected to the highest upright post and / or the inclined beam, and the other end being fixedly connected to a concrete base block.

2. The photovoltaic power station support structure according to claim 1, wherein: The back tension bar is connected to the upright post and / or the inclined beam through an L-shaped angle steel. The back tension bar passes through the corresponding inclined beam and is fixedly connected to the L-shaped angle steel through a flat washer and a nut on one side of the corresponding inclined beam, and the other side of the back tension bar is connected and fixed through a spring washer and a nut.

3. The photovoltaic power station support structure according to claim 1, wherein: U-shaped bolts are provided in the concrete base block. The main body of the U-shaped bolt is buried in the concrete and two bolt columns are exposed. The depth of the U-shaped bolt buried in the concrete is not less than 120 mm, and the height of the U-shaped bolt protruding from the concrete is not less than 40 mm.

4. The photovoltaic power station support structure according to claim 3, wherein: An upright base is provided at the bottom of the upright post. The upright base includes a connecting part and a bottom. The connecting part is provided with a first screw hole and is fixedly connected to the corresponding upright post through a nut; the bottom is provided with a second screw hole and is fixedly connected to the two bolt columns exposed by the corresponding U-shaped bolt through a nut.

5. The photovoltaic power station bracket structure according to claim 1, characterized in that: A first diagonal brace is provided between the upright post with a height greater than 1 m in the upright post group and the corresponding inclined beam. The first diagonal brace connects the upright post and the inclined beam through a triangular connecting piece, and the included angle between the first diagonal brace and the upright post is 45° - 60°.

6. The photovoltaic power station support structure according to claim 1, wherein: The arrangement direction of the upright post group is the first direction, and the arrangement direction of the upright posts at the same height between different upright post groups is the second direction. A through beam is provided in at least one of the first direction and the second direction, and the through beam connects the different upright posts arranged in the corresponding direction.

7. The photovoltaic power station support structure according to claim 6, characterized in that: A second diagonal brace and a third diagonal brace are provided between the through beam along the second direction and the corresponding upright post. The connecting direction of the third diagonal brace is the same as the second direction.

8. The photovoltaic power station support structure according to claim 1, characterized in that: The bracket contains side tension bars. One end of the side tension bar is connected to the corresponding upright post located at the edge in the second direction, and the other end is connected to the side wall.

9. The photovoltaic power station support structure according to claim 1, wherein: The bracket structure includes a drainage system. The drainage system includes a low water level water tank, a longitudinal small water tank, a transverse small water tank, a longitudinal middle water tank, and a edge wrapping water tank.

10. The photovoltaic power station support structure according to claim 9, wherein: The longitudinal small water tank is connected to the purlin and the component through a pressing block.

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