CN211481189U

CN211481189U - Photovoltaic support

Info

Publication number: CN211481189U
Application number: CN201921969999.5U
Authority: CN
Inventors: 黄丽琴; 毛谦伟
Original assignee: Fujian Antai New Energy Tech Corp
Current assignee: FUJIAN ANTAI NEW ENERGY TECH. Corp.
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-09-11
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a photovoltaic support for installation and fixed solar photovoltaic board, including a plurality of purlins that are parallel to each other, the purlin is fixed with a reinforcement auxiliary beam, the ascending middle part of purlin length direction is connected with a square pipe main shaft through a fastener, the fastener constitute one with square pipe main shaft's axial lead vertically plane, and the fastener at least with square pipe main shaft's three side fastening connection, solar photovoltaic board is along square pipe main shaft both sides symmetry installation, it locates between purlin and the square pipe main shaft and its length is less than the length of purlin to strengthen the auxiliary beam, purlin and reinforcement auxiliary beam are respectively with square pipe main shaft's axial lead symmetry. This photovoltaic support's bilayer structure has effectively increased the bending strength of purlin. And the structure that the purlin is long on the reinforcing auxiliary beam and short down not only reduces material cost, and the reinforcing auxiliary beam is standard tubular product itself, has reduced the processing degree of difficulty greatly, has realized that can strengthen the purlin, the effect of workable again.

Description

Photovoltaic support

Technical Field

The utility model relates to a solar photovoltaic equipment, in particular to photovoltaic support.

Background

With the rapid development of the photovoltaic support industry, more and more types of supports enter the eye curtains of people. Among them, tracking stents are gaining more and more acceptance because of their higher power generation rates.

A flat single-shaft double-assembly tracking support is favored due to unique flexibility, but is easy to bend due to large span of double-row components, lower seat of a single component and larger stress. Therefore, how to increase the strength of the lower seat assembly of the assembly becomes a problem which has to be considered in the process of designing the flat single-shaft double-splicing tracking bracket.

The existing solution mainly comprises that an arc-shaped bending piece is added at the lower end of a lower seat of the panel component, the middle part of the arc-shaped bending piece is fixed with a main shaft, and the lower seat of the panel component is supported at two ends to fulfill the aim of strengthening the lower seat of the panel component.

However, because the arc-shaped bending piece is complex to process and high in manufacturing cost, and the bending piece is easy to deform and other unstable factors, how to realize the lower seat strengthening of the panel assembly and the easy processing become problems to be solved by technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a photovoltaic support.

According to the utility model discloses an aspect, a photovoltaic support is provided, be used for installation and fixed solar photovoltaic board, purlin including a plurality of mutual parallels, solar photovoltaic board is fixed in purlin upper portion, the purlin is fixed with a reinforcement auxiliary girder, the intensity of purlin is strengthened from the below to reinforcement auxiliary girder, the ascending middle part of purlin length direction is connected with a square pipe main shaft through a fastener, the fastener constitutes one and square pipe main shaft's axial lead vertically plane, and the fastener at least with square pipe main shaft's three side fastening connection, solar photovoltaic board is along square pipe main shaft both sides symmetry installation, reinforcement auxiliary girder locates between purlin and the square pipe main shaft and its length is less than the length of purlin, purlin and reinforcement auxiliary girder are respectively with square pipe main shaft's axial lead symmetry.

According to the photovoltaic support adopting the technical scheme, the reinforcing auxiliary beam is used for structurally reinforcing the purline, so that the overall structural strength of the photovoltaic support is improved, the wind resistance of the photovoltaic support is improved, the photovoltaic support can be used for a long time, and the labor and materials for later maintenance and management are saved. And because the purline atress is the atress of the fixed position of fixed and square pipe main shaft great, and both ends are less, consequently strengthen being close to the intermediate position, both ends need not strengthen, can save the cost.

Compare in current scheme, this photovoltaic support's bilayer structure has effectively increased the bending strength of purlin. And the structure that the purlin is long on the reinforcing auxiliary beam and short down not only reduces material cost, and the reinforcing auxiliary beam is a standard pipe (section bar), greatly reduces the processing difficulty, and realizes the effect that not only can the purlin be strengthened, but also the processing is easy.

Preferably, the length of the reinforcing auxiliary beam is 55-75% of the length of the purline. Because the solar photovoltaic panels are symmetrically installed along the two ends of the purline, when the two solar photovoltaic panels are installed in a head-to-head mode, the distance between the centers of gravity of the two solar photovoltaic panels is about 50% of the length of the purline, the length of the reinforcing auxiliary beam is designed to be 55% -75% of the length of the purline, and the purline strength can be enhanced by using relatively saved materials.

Specifically, the lower side of the purline is fixedly connected with the reinforcing auxiliary beam, and the upper side of the purline extends upwards to form a mounting surface for fixedly mounting the solar photovoltaic panel. The mounting surface can be provided with mounting holes according to screw holes of the solar photovoltaic panel, so that the solar photovoltaic panel can be conveniently mounted on the purline.

Preferably, the reinforcing auxiliary beam is a square pipe-shaped reinforcing auxiliary beam, and the reinforcing auxiliary beam is fixedly connected with the purline through bolts or rivets or welding.

In some embodiments, the middle part of the purlin in the width direction is fixedly connected with the reinforcing secondary beam, and the left side and the right side in the width direction respectively extend upwards along the upper side perpendicular to the reinforcing secondary beam and then extend towards the two sides or the center to form two mounting surfaces on the same plane. The two mounting surfaces are symmetrical along the central line of the purline, so that the whole structure of the photovoltaic support is stressed more uniformly, the consistency is good, and the fatigue of materials caused by nonuniform stress can be reduced.

In other embodiments, one side of the purlin in the width direction is fixedly connected with the reinforcing secondary beam, and the other side of the purlin extends upwards along the upper side of the reinforcing secondary beam and then extends to form a mounting surface. Generally, two solar photovoltaic panels are installed in a position-symmetrical mode along an installation surface, and the middle part of a purline in the width direction is used as an elastic component to eliminate the influence of shaking or impact of the solar photovoltaic panels on a main shaft of the square pipe in the width direction of the purline.

Furthermore, the two ends of the purline are in the same direction, and the middle of the purline extends upwards along the upper side surface vertical to the reinforcing auxiliary beam;

or the two ends of the purline are oppositely oriented, and the middle of the purline extends obliquely upwards along the direction of the upper side surface of the reinforcing auxiliary beam obliquely to the head end of the lower part of the purline.

Preferably, the mounting surface is parallel to the upper side of the reinforcing sub-beam. Therefore, the solar photovoltaic panel can be parallel to the main shaft of the square tube.

In some embodiments, the fastener is a clamp structure, and includes a door-shaped clamp member, two ends of the door-shaped clamp member are respectively connected with a fixing piece through nuts, the width between two ends of the door-shaped clamp member is matched with the width of the square pipe main shaft, and the door-shaped clamp member crosses over the square pipe main shaft from two opposite sides of the square pipe main shaft after penetrating through the part fixedly connected with the purlin and the reinforcing auxiliary beam and is fixedly connected with the fixing piece on one opposite side of the square pipe main shaft and the reinforcing auxiliary beam, so as to fixedly connect the purlin and the reinforcing auxiliary beam with the square pipe main shaft.

Preferably, the middle part of the fixing piece is provided with a groove, the door-shaped hoop passes through the bottom of the groove, the nut is arranged in the groove, and the width of the groove is matched with that of the nut.

In some embodiments, the fastener is composed of two fixing pieces and two bolts, the two bolts are respectively used for fixedly connecting the two fixing pieces from two ends of the fixing pieces, the fixing pieces are respectively arranged on the outer sides of the purlin and the main shaft of the square pipe, and the distance between the two bolts is matched with the width of the main shaft of the square pipe.

Drawings

Fig. 1 is a schematic structural view of a photovoltaic support according to an embodiment of the present invention.

Fig. 2 is a schematic side view of the photovoltaic support shown in fig. 1.

Fig. 3 is a schematic view of the fastener shown in fig. 2.

Fig. 4 is a schematic cross-sectional view of the photovoltaic stent shown in fig. 1.

Fig. 5 is a schematic cross-sectional view of the purlin and reinforcing beam of fig. 2.

Fig. 6 is a schematic structural view of a fastener of a photovoltaic bracket according to another embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of a purlin and reinforcing beam according to another embodiment of the present invention.

Fig. 8 is a schematic cross-sectional view of a purlin and reinforcing beam according to another embodiment of the present invention.

Fig. 9 is a schematic cross-sectional view of three purlins and a reinforcing beam according to another embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1

Fig. 1 to 5 schematically show a photovoltaic support according to an embodiment of the present invention. As shown, the device is used for mounting and fixing a solar photovoltaic panel 5 and comprises a plurality of purlins 1 which are parallel to each other.

The solar photovoltaic plate 5 is fixed on the upper part of the purline 1.

A reinforcing auxiliary beam 2 is fixed on the purline 1.

The reinforcing sub-beam 2 reinforces the strength of the purlin 1 from below.

The middle part of the purline 1 in the length direction is connected with a square pipe spindle 4 through a fastener 3.

The fastening piece 3 forms a plane vertical to the axial lead of the square tube main shaft 4, and the fastening piece 3 is fastened and connected with at least three side surfaces of the square tube main shaft 4.

The solar photovoltaic panels 5 are symmetrically arranged along two sides of the square tube main shaft 4.

The reinforcing auxiliary beam 2 is arranged between the purline 1 and the square pipe main shaft 4, and the length of the reinforcing auxiliary beam is smaller than that of the purline 1.

The purline 1 and the reinforcing auxiliary beam 2 are respectively symmetrical with the axis of the square pipe main shaft 4.

Preferably, the length of the reinforcing auxiliary beam 2 is 55-75% of the length of the purline 1. Because the solar photovoltaic panels 5 are symmetrically installed along the two ends of the purline 1, when the two solar photovoltaic panels 5 are installed in a head-to-head mode, the distance between the centers of gravity of the two solar photovoltaic panels is about 50% of the length of the purline 1 approximately, the length of the reinforcing auxiliary beam 2 is designed to be 55% -75% of the length of the purline 1, and the purpose of reinforcing the strength of the purline 1 by using relatively saved materials can be achieved.

Compare in current scheme, this photovoltaic support's bilayer structure has effectively increased the bending strength of purlin. And the structure that the purlin is long on the reinforcing auxiliary beam and short down not only reduces material cost, and the reinforcing auxiliary beam is standard tubular product itself, has reduced the processing degree of difficulty greatly, has realized that can strengthen the purlin, the effect of workable again.

Specifically, the lower side of the purline 1 is fixedly connected with the reinforcing auxiliary beam 2, and the upper side of the purline extends upwards to form a mounting surface 11 for fixedly mounting the solar photovoltaic panel 5. The mounting surface 11 can be provided with mounting holes according to screw holes of the solar photovoltaic panel 5, so that the solar photovoltaic panel 5 can be conveniently mounted on the purline 1.

Preferably, the reinforcing auxiliary beam 2 is a square pipe-shaped reinforcing auxiliary beam, and the reinforcing auxiliary beam 2 is fixedly connected with the purline 1 through bolts or rivets. The secondary-selection reinforcing auxiliary beam 2 is fixedly connected with the purline 1 through welding. Because the square tube-shaped reinforcing secondary beam is generally made of pre-galvanized material or aluminum-magnesium-zinc-plated material, welding can damage the zinc layer.

In this embodiment, the purline 1 is inverted-n-shaped, the middle portion in the width direction is fixedly connected with the reinforcing auxiliary beam 2, and the left side and the right side in the width direction respectively extend upwards along the upper side of the square-tube-shaped reinforcing auxiliary beam 2 and then extend towards the two sides to form two mounting surfaces 11 on the same plane. The two mounting surfaces 11 are symmetrical along the central line of the purline 1, so that the whole structure of the photovoltaic bracket is stressed more uniformly and has good consistency, and the fatigue of materials caused by nonuniform stress can be reduced.

Meanwhile, the part of the purline 1 fixedly connected with the reinforcing auxiliary beam 2 is separated from the mounting surface 11 fixedly connected with the solar photovoltaic panel 5, so that enough clearance can be reserved for mounting the fastener 3.

Preferably, the mounting surface 11 is parallel to the upper side surface of the square pipe shaped reinforcing sub-beam 2. Therefore, the solar photovoltaic panel 5 can be parallel to the main shaft 4 of the square tube.

In this embodiment, the fastening member 3 is of a clip structure and includes a gate-shaped clip member 31.

The door-shaped clamp member 31 is arched with a flat middle portion.

The two ends of the door-shaped clamp member 31 are connected to a fixing piece 32 through nuts, respectively.

The width between the two ends of the door-shaped clamp piece 31 is matched with the width of the square tube main shaft 4.

The door-shaped clamp member 31 crosses the square pipe main shaft 4 from two opposite sides of the square pipe main shaft 4 after penetrating through the part fixedly connected with the purline 1 and the reinforcing secondary beam 2 and is fixedly connected with the fixing piece 32 at one opposite side of the square pipe main shaft 4 and the reinforcing secondary beam 2, so that the purline 1 and the reinforcing secondary beam 2 are fixedly connected with the square pipe main shaft 4.

The middle of the fixing plate 32 is provided with a groove 321.

The gate-shaped clamp member 31 passes through the bottom of the groove 321, and the nut is mounted in the groove 321, and the width of the groove 321 matches the width of the nut. The groove 321 provides the necessary protection to the nut to prevent the nut from loosening.

Example 2

Fig. 6 schematically shows a photovoltaic support according to another embodiment of the present invention. As shown in the drawing, the difference from embodiment 1 is that the fastener 3 is constituted by two fixing pieces 32 and two bolts 33.

The two bolts 33 fixedly connect the two fixing pieces 32 from both ends of the fixing piece 32, respectively.

The fixing pieces 32 are respectively arranged on the outer sides of the purline 1 and the square pipe main shaft 4, and the distance between the two bolts 33 is matched with the width of the square pipe main shaft 4.

Example 3

Fig. 7 schematically shows a purlin and a reinforcing sub-beam according to another embodiment of the present invention. As shown in the figure, the purlin 1 is different from the embodiment 1 in that the purlin 1 is C-shaped, one side in the width direction is fixedly connected with the reinforcing sub-beam 2, and the other side extends upwards along the upper side of the reinforcing sub-beam 2 and then extends to form a mounting surface 11.

The orientations of two ends of the purline 1 are the same, and the middle part of the purline 1 extends upwards along the upper side vertical to the reinforcing auxiliary beam 2.

Generally, two solar photovoltaic panels are installed in a position-symmetrical mode along an installation surface, and the middle part of a purline in the width direction is used as an elastic component to eliminate the influence of shaking or impact of the solar photovoltaic panels on a main shaft of the square pipe in the width direction of the purline.

Example 4

Fig. 8 schematically shows a photovoltaic support according to another embodiment of the present invention. As shown in the figure, the difference from embodiment 1 is that the purlin 1 is zigzag, the directions of the two ends are opposite, and the middle part of the purlin 1 extends obliquely upward along the direction of the upper side surface of the reinforcing secondary beam 2 obliquely to the head end of the lower part of the purlin.

Example 5

Fig. 9 schematically shows purlins and reinforcing sub-beams (a, b, c) of a three-kind photovoltaic support according to another embodiment of the present invention. As shown in the drawing, the difference from

embodiments

1, 3 and 4 is that the reinforcing sub-beams 2 are each a C-shaped pipe reinforcing sub-beam.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a photovoltaic support for installation and fixed solar photovoltaic board, its characterized in that, includes a plurality of purlins that are parallel to each other, the solar photovoltaic board is fixed in purlin upper portion, the purlin is fixed with a reinforcement auxiliary beam, reinforcement auxiliary beam strengthens from the below the intensity of purlin, the purlin middle part is connected with a square pipe main shaft through a fastener, the fastener constitute one with the axial lead vertically plane of square pipe main shaft, just the fastener at least with square pipe main shaft's three side fastening connection, the solar photovoltaic board is followed square pipe main shaft bilateral symmetry installation, reinforcement auxiliary beam locates between purlin and the square pipe main shaft and its length is less than the length of purlin, the purlin with reinforcement auxiliary beam respectively with square pipe main shaft's axial lead symmetry.

2. The photovoltaic bracket of claim 1, wherein the length of the stiffening secondary beam is 55% to 75% of the length of the purlin.

3. The photovoltaic bracket according to claim 1, wherein the lower side of the purlin is fixedly connected with the reinforcing secondary beam, and the upper side of the purlin extends upwards to form a mounting surface for fixedly mounting the solar photovoltaic panel.

4. The photovoltaic bracket according to claim 1, wherein the reinforcing secondary beam is a square tube-shaped reinforcing secondary beam, and the reinforcing secondary beam is fixedly connected with the purlin by bolts or rivets or fixedly connected by welding.

5. The photovoltaic bracket according to claim 4, wherein the middle part of the purlin is fixedly connected with the reinforcing secondary beam, and the left side and the right side in the width direction respectively extend upwards along the upper side perpendicular to the reinforcing secondary beam and then extend towards the two sides or the center to form two mounting surfaces on the same plane;

or one side of the purlin in the width direction is fixedly connected with the reinforcing auxiliary beam, and the other side of the purlin extends upwards along the upper side of the reinforcing auxiliary beam and then extends to form a mounting surface.

6. The photovoltaic bracket according to claim 5, wherein the purlins are oriented in the same direction on both sides, and the purlins extend upward along the middle part of the purlins, wherein the purlins extend upward perpendicular to the upper side of the reinforcing secondary beam;

or the two sides of the purline are opposite in orientation, and the middle of the purline extends obliquely upwards along the direction of the upper side surface of the reinforcing auxiliary beam obliquely to the head end of one side of the lower part of the purline.

7. Photovoltaic support according to any one of claims 3 or 5 or 6, characterized in that the mounting surface is parallel to the upper side of the stiffening secondary beam.

8. The photovoltaic bracket according to claim 1, wherein the fastening member is of a hoop structure and comprises a door-shaped hoop member, two ends of the door-shaped hoop member are respectively connected with a fixing piece through nuts, the width between the two ends of the door-shaped hoop member is matched with the width of the square pipe main shaft, and the door-shaped hoop member crosses over the square pipe main shaft from two opposite sides of the square pipe main shaft after penetrating through the part fixedly connected with the purlin and the reinforcing auxiliary beam and is fixedly connected with the fixing piece on one opposite side of the square pipe main shaft and the reinforcing auxiliary beam, so that the purlin and the reinforcing auxiliary beam are fixedly connected with the square pipe main shaft.

9. The photovoltaic bracket as claimed in claim 8, wherein a groove is formed in the middle of the fixing piece, the door-shaped hoop member passes through the bottom of the groove, the nut is installed in the groove, and the width of the groove is matched with the width of the nut.

10. The photovoltaic bracket according to claim 1, wherein the fastening member comprises two fixing pieces and two bolts, the two bolts fixedly connect the two fixing pieces from two ends of the fixing pieces respectively, the fixing pieces are arranged on the purlins and the outer sides of the main shaft of the square tube respectively, and the distance between the two bolts is matched with the width of the main shaft of the square tube.