CN216981824U - Stand column structure and fixing device of photovoltaic support - Google Patents

Abstract

A column structure and a fixing device of a photovoltaic support comprise a web plate, a bottom plate and two wing plates; the two wing plates are fixed on two opposite sides of the web plate, and the bottom plate is fixed at the bottom ends of the web plate and the two wing plates; the method is characterized in that: the width of the web plate is gradually increased from top to bottom, and a plurality of through holes are formed in the web plate. The upright post has uniform stress distribution, and has the advantages of smaller weight, reduced cost and improved product competitiveness under the condition of achieving the same bending resistance.

Description

Stand column structure and fixing device of photovoltaic support

Technical Field

The utility model relates to the field of photovoltaic equipment, in particular to a stand column structure and a fixing device of a photovoltaic support.

Background

With the gradual depletion of conventional energy sources, new energy sources typified by photovoltaic energy sources have been vigorously developed. In order to ensure the normal operation of the solar panel, the photovoltaic support structure must be firm and reliable, and can bear severe external environments, such as: atmospheric erosion, wind loading, and the like. The size of the photovoltaic module is larger and larger, the wind load borne by the photovoltaic support is increased, so that the force borne by the upright in the photovoltaic support is larger and larger, the specification of the upright is determined according to the stress characteristic of the upright, mainly the horizontal force borne by the upright, and the specification of the upright is determined according to the bending moment borne by the upright. Referring to fig. 6, the bending moment experienced by the mast increases as the height decreases, so that the bending moment experienced by the mast section is greatest at the root near the ground.

At present, the sections of common upright columns comprise H-shaped steel, C-shaped steel, rectangular pipe sections and the like, and are all upright columns with equal sections, namely, the widths are unchanged. Referring to the stress distribution of the equal-section upright of fig. 7, the stress of the wing panel near the bottom plate is the largest, while the stress of the middle part and the top part is smaller, and the design of the equal-section upright leads to that the bending resistance of the upper part section of the upright is not fully utilized, thus causing the waste of materials.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to overcome the defect of the novel bending resistance of the stand column of the conventional photovoltaic support, and provides a stand column structure and a fixing device of the photovoltaic support.

The utility model adopts the following technical scheme:

a column structure of a photovoltaic bracket comprises a web plate, a bottom plate and two wing plates; the two wing plates are fixed on two opposite sides of the web plate, and the bottom plate is fixed at the bottom ends of the web plate and the two wing plates; the method is characterized in that: the width of the web plate is gradually increased from top to bottom, and a plurality of through holes are formed in the web plate.

Preferably, the web is vertically fixed between the middle parts of the two wing plates.

Preferably, the through holes are arranged at intervals along the central line of the web plate.

Preferably, the width of the wing plate is set to be gradually increased or equal from top to bottom.

Preferably, a plurality of fixing holes are formed in the top of the wing plate.

Preferably, the bottom plate is vertically fixed at the bottom end of the web plate, and the length of the bottom plate is greater than the width of the bottom end of the web plate.

The utility model provides a photovoltaic support's fixing device, includes the fixing base, its characterized in that: still include foretell photovoltaic support's stand structure, this fixing base is fixed in two pterygoid lamina tops.

Preferably, the fixing seat comprises a seat body and a mounting sleeve, the seat body is fixedly connected with the wing plate, and the mounting sleeve is fixed on the seat body and provided with a mounting hole.

Preferably, a bearing is fixed in the assembling hole so as to rotatably install the main beam of the photovoltaic bracket.

Preferably, the device also comprises a pile foundation, and the base plate is fixed on the pile foundation.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. in the utility model, the width of the web plate of the upright column is set to be gradually increased from top to bottom, so that the stress distribution of the upright column at the middle part and the part close to the top part is relatively uniform; and the web plate is provided with a plurality of through holes, so that the weight of the web plate can be reduced, the upright post has smaller weight and lower cost under the condition of achieving the same bending resistance, and the competitiveness of the product is improved.

2. According to the utility model, the web plate is vertically fixed between the middle parts of the two wing plates, the through holes are arranged at intervals along the central line of the web plate, the bottom plate is vertically fixed at the bottom end of the web plate, the length of the bottom plate is greater than the width of the bottom end of the web plate, and the web plate, the bottom plate and the wing plates can be formed by welding steel plates, so that the transportation cost is reduced, and the installation is light and convenient.

3. According to the utility model, the stress characteristic of the photovoltaic support upright column is fully considered, the closer the bending moment is to the bottom of the upright column, the larger the bending moment is, and the special-shaped unequal-section upright column structure is adopted, namely the bending resistance of the upright column is higher when the bottom section of the upright column is large, so that the bending moment condition of the upright column is met, and the material of the upright column is fully utilized.

4. According to the utility model, the fixing seat is arranged at the top of the wing plate to install the main beam, the fixing seat comprises the seat body and the mounting sleeve, the seat body is fixedly connected with the wing plate, the mounting sleeve is fixed on the seat body and is provided with the assembling hole to assemble the main beam, and the bottom plate of the upright post is also fixed on the pile foundation, so that the photovoltaic support is stable in integral structure and high in bending resistance.

Drawings

FIG. 1 is a schematic view of a pillar of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a view of the structure of the fixing device of the present invention;

FIG. 5 is an assembly view of the present invention with a photovoltaic mount;

FIG. 6 is a graph of bending moment of the column;

FIG. 7 is a stress distribution diagram of a conventional column;

FIG. 8 is a stress distribution diagram of the inventive post;

wherein:

10. the photovoltaic module comprises a web plate, 11, through holes, 20, a bottom plate, 30, wing plates, 31, fixing holes, 40, a fixing seat, 41, a seat body, 42, an installation sleeve, 43, a supporting part, 44, a connecting part, 45, an arc-shaped groove, 46, an assembly hole, 50, a photovoltaic support, 51, a main beam, 52, purlines, 60 and a pile foundation.

Detailed Description

The utility model is further described below by means of specific embodiments.

The terms "first", "second", and the like in the present invention are merely for convenience of description to distinguish different constituent elements having the same name, and do not denote a sequential or primary-secondary relationship.

In the description of the present invention, the directions or positional relationships indicated by "upper", "lower", "left", "right", "front", and "rear", etc. are used as the directions or positional relationships indicated on the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the scope of the present invention.

Referring to fig. 1 to 3, a column structure of a photovoltaic bracket includes a web 10, a bottom plate 20 and two wing plates 30. The two wing plates 30 are fixed to two opposite sides, such as left and right sides, of the web 10. The base plate 20 is fixed to the bottom ends of the web 10 and the two wing plates 30. The width of the web 10 is set to gradually increase from top to bottom, and a plurality of through holes 11 are provided on the web 10. I.e. the web 10 is arranged as a trapezoid, the width of the bottom of the web 10 being larger than the width of the top.

Wherein, the web 10 is vertically fixed between the middle parts of the two wing plates 30, so that the two wing plates 30 and the web 10 can form a main structure with an i-shaped or H-shaped cross section, as shown in fig. 3. The plurality of through holes 11 on the web 10 are arranged at intervals along the center line of the web 10, and the through holes 11 are penetrated in the front and back direction, so that the weight of the web 10 can be reduced. The number and the spacing of the through holes 11 can be set according to the height of the web 10, and the strength of the web 10 can meet relevant requirements.

Further, the wings 30 may be rectangular, i.e., the wings 30 have the same width in the height direction. The top of the wing plate 30 is provided with a plurality of fixing holes 31 for installing and fixing the structure of the photovoltaic bracket. In practice, the wing 30 may be trapezoidal, i.e. its width in the height direction is gradually increased from top to bottom, i.e. the width of the bottom of the wing 30 is larger than the width of the top.

The bottom plate 20 is vertically fixed to the bottom end of the web 10 and has a length greater than the width of the bottom end of the web 10. The base plate 20 is fixed at one end of the web plate 10 and the wing plate 30 with the largest width, and the base plate 20, the web plate 10 and the two wing plates 30 can be formed by welding and fixing steel plates. Wherein, the thickness of the bottom plate 20 can be set according to the requirement.

Based on this, the utility model also provides a fixing device for a photovoltaic bracket, referring to fig. 4 and 5, comprising a fixing seat 40 and the above-mentioned pillar structure of a photovoltaic bracket, wherein the fixing seat 40 is fixed on the top of the two wing plates 30. The fixing base 40 is used for connecting a main beam 51 of the photovoltaic bracket 50.

Specifically, the fixing seat 40 includes a seat body 41 and a mounting sleeve 42, the seat body 41 is fixedly connected to the wing plate 30, and it can be implemented by using the structure described in the following, for example: the base body 41 may include a supporting portion 43 and two connecting portions 44, the supporting portion 43 is located at the top end of the wing plate 30 and is provided with an arc-shaped slot 45, the two connecting portions 44 are located at the bottom surface of the supporting portion 43 and are arranged left and right, and the two connecting portions 44 are respectively fixed by bolts passing through the fixing holes 31 on the wing plate 30.

The mounting sleeve 42 is fixed on the arc-shaped slot 45 and is provided with a mounting hole 46, and a bearing is fixed in the mounting hole 46. The main beam 51 of the photovoltaic bracket 50 is rotatably inserted into the mounting hole 46 and connected to the bearing, so that the main beam 51 can rotate relative to the fixing base 40. The photovoltaic support 50 further includes other conventional components, such as a plurality of purlins 52, and the plurality of purlins 52 are fixed to the main beam 51 and can rotate the photovoltaic module along with the rotation of the main beam 51.

Further, the floor slab comprises a pile foundation 60, and the floor slab 20 is fixed on the pile foundation 60. The base plate 20 and the pile foundation 60 can be fixed by bolts or welding.

In the utility model, the upright column is set to be in a structure with unequal cross sections, one side of the wing plates 30 on two sides of the upright column is subjected to tensile stress, and the other side of the wing plates is subjected to compressive stress, referring to fig. 8, the stress distribution of the upright column at the middle part and the part close to the top part is relatively uniform, so that the material strength of the upright column is fully utilized.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims (10)

1. A column structure of a photovoltaic bracket comprises a web plate, a bottom plate and two wing plates; the two wing plates are fixed on two opposite sides of the web plate, and the bottom plate is fixed at the bottom ends of the web plate and the two wing plates; the method is characterized in that: the width of the web plate is gradually increased from top to bottom, and a plurality of through holes are formed in the web plate.

2. The column structure of a photovoltaic support of claim 1, wherein: the web plate is vertically fixed between the middle parts of the two wing plates.

3. The column structure of a photovoltaic support of claim 1, wherein: the through holes are arranged at intervals along the center line of the web plate.

4. The column structure of a photovoltaic support of claim 1, wherein: the wing widths are set to be gradually increased or equal from top to bottom.

5. The column structure of a photovoltaic support of claim 1, wherein: and a plurality of fixing holes are formed in the top of the wing plate.

6. The column structure of a photovoltaic support of claim 1, wherein: the bottom plate is vertically fixed at the bottom end of the web plate, and the length of the bottom plate is larger than the width of the bottom end of the web plate.

7. The utility model provides a fixing device of photovoltaic support, includes the fixing base, its characterized in that: the upright post structure of a photovoltaic bracket further comprises a vertical post structure of any one of claims 1 to 6, wherein the fixed seat is fixed on the tops of the two wing plates.

8. A photovoltaic rack fixture apparatus as claimed in claim 7 wherein: the fixing seat comprises a seat body and a mounting sleeve, the seat body is fixedly connected with the wing plate, and the mounting sleeve is fixed on the seat body and provided with an assembling hole.

9. A photovoltaic rack fixture apparatus as claimed in claim 8 wherein: and a bearing is fixed in the assembling hole so as to rotatably install the main beam of the photovoltaic bracket.

10. A photovoltaic rack fixture apparatus as claimed in claim 7 wherein: the base plate is fixed on the pile foundation.

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