CN213213375U

CN213213375U - Precast concrete assembled photovoltaic support

Info

Publication number: CN213213375U
Application number: CN202022457396.6U
Authority: CN
Inventors: 戴磊
Original assignee: BCEG Advanced Construction Materials Co Ltd
Current assignee: BCEG Advanced Construction Materials Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-05-14
Anticipated expiration: 2030-10-29

Abstract

The application discloses a precast concrete assembled photovoltaic support, which belongs to the technical field of photovoltaic, and comprises a precast concrete support and two concrete foundation bases, wherein the precast concrete support is arranged in an inverted U shape, a steel reinforcement framework is preset in the precast concrete support, the precast concrete support comprises a cross beam for mounting a photovoltaic module and two stand columns respectively connected to two ends of the cross beam, the two stand columns are arranged in parallel, and the two stand columns are positioned on the same side of the cross beam; the end part of the upright column, which is far away from the cross beam, is fixedly provided with an inserting column, the concrete foundation base is pre-provided with a butt joint groove, the groove bottom of the butt joint groove is pre-provided with an inserting groove, and the inserting column is inserted into the groove bottom of the butt joint groove and the end part of the upright column is in butt joint with the groove bottom of the butt joint groove. This application light in weight not only transport convenience, reduction in production cost, the simple and convenient advantage of on-the-spot installation moreover.

Description

Precast concrete assembled photovoltaic support

Technical Field

The application relates to the technical field of photovoltaics, in particular to a precast concrete assembled photovoltaic support.

Background

With the rapid development of new energy industry, solar energy is the most important basic energy of various renewable energy sources, and the solar photovoltaic power generation technology thereof is rapidly developed. The photovoltaic bracket is used for supporting a solar panel in a solar photovoltaic power generation system. The photovoltaic support is an important component of the photovoltaic power station and bears a power generation main body of the photovoltaic power station.

The selection of the photovoltaic support directly influences the operation safety, the breakage rate and the construction investment of the photovoltaic module, and the selection of the appropriate photovoltaic support can not only reduce the engineering cost, but also reduce the later maintenance cost. According to the difference of the materials adopted by the main stress rod pieces of the photovoltaic bracket, the photovoltaic bracket can be divided into an aluminum alloy bracket, a steel bracket and a concrete bracket. The aluminum alloy support and the steel support are composed of parts such as a plurality of sectional materials (upright columns, main beams and purlins), bolts, pressing blocks and connecting pieces, the field installation process is complex, and accidents of potential safety hazards such as deformation, overturning and collapse are caused easily due to the reasons such as few parts, mixed use and unfirm connection; the concrete support can not produce above-mentioned problem, but integrated concrete support adopts solid concrete structure, and the structure volume is great, and transportation and hoist and mount are inconvenient, and the cost is higher, is difficult for the scale popularization.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the aim at of this application provides a precast concrete assembled photovoltaic support, its light in weight, not only transport convenience, reduction in production cost, the simple and convenient advantage of on-the-spot installation moreover.

The technical purpose of the application is realized by the following technical scheme:

the prefabricated concrete assembly type photovoltaic support comprises a prefabricated concrete support and two concrete foundation bases, wherein the prefabricated concrete support is arranged in an inverted U shape, a steel reinforcement framework is preset in the prefabricated concrete support, the prefabricated concrete support comprises a cross beam for mounting a photovoltaic module and two stand columns respectively connected to two ends of the cross beam, the two stand columns are arranged in parallel, and the two stand columns are located on the same side of the cross beam; the end part of the upright column, which is far away from the cross beam, is fixedly provided with an inserting column, the concrete foundation base is pre-provided with a butt joint groove, the groove bottom of the butt joint groove is pre-provided with an inserting groove, and the inserting column is inserted into the groove bottom of the butt joint groove and the end part of the upright column is in butt joint with the groove bottom of the butt joint groove.

By adopting the technical scheme, the precast concrete support is used for supporting and fixing the photovoltaic module, meanwhile, the concrete foundation base is used as a balance weight, and the precast concrete support and the concrete foundation base are connected and fixed to form a stable supporting structure; because the precast concrete support is the fretwork design of type of falling U, can lighten the weight of concrete support, make it have transport convenience, reduction in production cost, on-the-spot simple installation's advantage, possess the ventilation function simultaneously, can reduce the influence of horizontal wind load.

The application is further configured to: the height of two upright posts of the precast concrete support is different, and the cross beam is obliquely arranged.

By adopting the technical scheme, the inclination angle of the cross beam is the inclination angle of the photovoltaic module, the inclination angle of the photovoltaic module is determined according to the local longitude and latitude, and the optimal inclination angle is to enable the annual energy production of the photovoltaic module to be as large as possible.

The application is further configured to: the cross-sectional area of the longer upright post along the direction perpendicular to the extension direction of the upright post is larger than that of the shorter upright post along the direction perpendicular to the extension direction of the upright post.

Through adopting above-mentioned technical scheme, make the focus of precast concrete assembled photovoltaic support to longer stand direction skew, improve precast concrete assembled photovoltaic support's antidumping ability.

The application is further configured to: the concrete foundation is characterized in that a fixing pin is arranged between the concrete foundation base and the insertion column, the foundation base is provided with a fixing hole communicated with the insertion groove, the insertion column is provided with a pin hole, and the fixing pin is inserted in the fixing hole and the pin hole.

Through adopting above-mentioned technical scheme, prevent that precast concrete support from receiving the exogenic action and leading to the spliced pole to deviate from the inserting groove and the stand deviates from the butt joint groove for reinforcing stand and concrete foundation base connection stability.

The application is further configured to: and fixing the stand column in the butt joint groove in at least one butt joint groove in a grouting solidification mode.

Through adopting above-mentioned technical scheme, reinforcing stand and concrete foundation base connection stability.

The application is further configured to: one end of the insertion column is arranged in the upright column in advance, the other end of the insertion column extends out of the upright column, and the insertion column is fixedly connected with the steel reinforcement framework.

By adopting the technical scheme, the splicing columns are fixedly connected with the steel reinforcement framework, so that the splicing columns and the upright columns are integrated, and the connection strength of the splicing columns and the upright columns is enhanced.

The application is further configured to: the spliced column is fixedly connected with the steel bar framework through a connecting steel bar, the connecting steel bar is arranged to be multiple, and the number of the connecting steel bar is multiple.

By adopting the technical scheme, the connecting steel bars are used for enhancing the connection strength of the inserting column and the steel bar framework, and further the connection strength of the inserting column and the stand column is enhanced.

The application is further configured to: the photovoltaic module is characterized in that U-shaped steel used for installing a photovoltaic module is preset in the cross beam and comprises a transverse plate and two vertical plates, a clamping space is formed between the two vertical plates, the end portions, far away from the transverse plate, of the two vertical plates are respectively bent towards the clamping space direction to form bending plates, and the end portions, far away from the vertical plates, of the bending plates are bent towards the transverse plate direction to form clamping plates.

Through adopting above-mentioned technical scheme, U shaped steel is used for photovoltaic module's installation.

The application is further configured to: one side that the riser was kept away from to the diaphragm has set firmly fixed steel sheet, fixed steel sheet passes through fixed steel bar and framework of steel reinforcement fixed connection.

Through adopting above-mentioned technical scheme, reinforcing U shaped steel is the fixed strength on the crossbeam to and photovoltaic module's installation stability.

The application is further configured to: u shaped steel sets up to a plurality ofly, and a plurality of U shaped steel set up along the length direction interval of crossbeam.

Through adopting above-mentioned technical scheme, reinforcing photovoltaic module's installation stability.

In summary, the present application has the following beneficial effects: the prefabricated concrete support is used for supporting and fixing the photovoltaic module, meanwhile, the concrete foundation base is used as a balance weight, and the prefabricated concrete support and the concrete foundation base are connected and fixed to form a stable supporting structure; because the precast concrete support is the fretwork design of type of falling U, can lighten the weight of concrete support, make it have transport convenience, reduction in production cost, on-the-spot simple installation's advantage, possess the ventilation function simultaneously, can reduce the influence of horizontal wind load.

Drawings

FIG. 1 is a first schematic structural diagram of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a top view of a concrete foundation bed of the present application;

FIG. 5 is a second structural schematic of the present application;

FIG. 6 is a third schematic structural view of the present application;

FIG. 7 is a schematic diagram of an application state structure of the present application;

fig. 8 is an enlarged view of a portion C in fig. 7.

In the figure, 1, a concrete bracket is prefabricated; 11. a cross beam; 12. a column; 2. a steel reinforcement cage; 3. u-shaped steel; 31. a transverse plate; 32. a vertical plate; 33. clamping and connecting the space; 34. a bending plate; 35. a clamping and connecting plate; 4. fixing a steel plate; 41. fixing the steel bars; 5. inserting the column; 51. a pin hole; 52. connecting reinforcing steel bars; 6. a concrete foundation base; 61. a butt joint groove; 62. inserting grooves; 63. a fixing hole; 7. a fixing pin; 8. provided is a photovoltaic module.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, for this application discloses a precast concrete assembled photovoltaic support, including precast concrete support 1 and two concrete foundation bases 6 that are the setting of type of falling U.

Steel reinforcement framework 2 has been preset in precast concrete support 1, precast concrete support 1 includes that a crossbeam 11 that is used for installing photovoltaic module and two connect respectively in the stand 12 at crossbeam 11 both ends, two stand 12 parallel arrangement and two stand 12 are located the homonymy of crossbeam 11, two stand 12 are connected respectively on two concrete foundation bases 6, the highly different messenger crossbeam 11 of two stand 12 is the setting of crossbeam 11 slope, the inclination of crossbeam 11 is photovoltaic module's inclination promptly, photovoltaic module's inclination is confirmed according to local longitude and latitude, the angle of inclination of ideal is as far as possible that makes photovoltaic module annual generated energy. The sectional area of the longer upright post 12 in the direction perpendicular to the extending direction of the longer upright post 12 is larger than that of the shorter upright post 12 in the direction perpendicular to the extending direction of the shorter upright post, so that the center of gravity of the prefabricated concrete assembly type photovoltaic bracket deviates towards the direction of the longer upright post 12, and the anti-overturning capacity of the prefabricated concrete assembly type photovoltaic bracket is improved.

Referring to fig. 2, preset U shaped steel 3 in the crossbeam 11, U shaped steel 3's opening up, and U shaped steel 3 sets up to four, and four U shaped steel 3 set up along the length direction interval of crossbeam 11. U shaped steel 3 includes a diaphragm 31 and two risers 32, forms joint space 33 between two risers 32, and joint space 33 and crossbeam 11 communicate outward, and the tip that diaphragm 31 was kept away from to two risers 32 has bent plate 34 towards joint space 33 direction respectively bending, and bent plate 34 keeps away from the tip of riser 32 and has joint plate 35 towards diaphragm 31 direction bending. One side of the transverse plate 31 far away from the vertical plate 32 is fixedly provided with a fixed steel plate 4, one side of the fixed steel plate 4 is welded with the transverse plate 31, the other side of the fixed steel plate 4 is welded with a fixed steel bar 41, and the fixed steel bar 41 is welded with the steel reinforcement framework 2.

Referring to fig. 3, the tip of keeping away from crossbeam 11 of stand 12 has set firmly grafting post 5, the extending direction of grafting post 5 is the same with the extending direction of stand 12, the one end of grafting post 5 is preset in stand 12, the other end of grafting post 5 stretches out outside stand 12, and grafting post 5 is through connecting reinforcement 52 and framework of steel reinforcement 2 fixed connection, connecting reinforcement 52's extending direction is the same with grafting post 5 extending direction, connecting reinforcement 52 sets up to many, many connecting reinforcement 52 are along the circumferential direction evenly distributed of grafting post 5, the one end of grafting post 5 welds in the outer peripheral face of grafting post 5, the other end welds on framework of steel reinforcement 2.

Referring to fig. 3-4, the concrete foundation 6 is rectangular, the upper surface of the concrete foundation 6 is pre-provided with a square abutting groove 61, the center of the bottom of the abutting groove 61 is pre-provided with a circular insertion groove 62, the insertion column 5 is inserted into the insertion groove 62, and the end of the upright column 12 abuts against the bottom of the abutting groove 61. Be provided with fixed pin 7 between concrete foundation base 6 and the grafting post 5, concrete foundation base 6 sets up the fixed orifices 63 that runs through its relative both sides wall, and fixed orifices 63 and inserting groove 62 are linked together, and inserting post 5 has seted up pinhole 51, and fixed pin 7 pegs graft in fixed orifices 63 and pinhole 51, and fixed pin 7 and inserting post 5 set up perpendicularly.

The columns 12 are fixed in the abutment grooves 61 by means of grouting setting in at least one of the abutment grooves 61, for example: referring to fig. 1, the shorter columns 12 are fixed in the abutting grooves 61 by grouting and solidifying; referring to fig. 5, the longer upright post 12 is fixed in the abutting groove 61 by grouting and solidifying; referring to fig. 6, the two columns 12 are fixed in the abutment grooves 61 of the two concrete foundation beds 6 by grouting and setting.

The implementation principle of the prefabricated concrete assembled photovoltaic support is as follows: the multiple groups of precast concrete assembled photovoltaic supports are arranged at equal intervals along the direction perpendicular to the cross beam 11, and the cross beam 11 of the multiple groups of precast concrete assembled photovoltaic supports forms a mounting plane for mounting the photovoltaic module 8. Referring to fig. 7-8, a fastener 81 (such as patent number ZL 201520221526.2) is installed on the frame of the photovoltaic module 8, and the fastener 81 is clamped in the U-shaped steel 3, so that the installation is quick and simple, and the bolt-free connection has an anti-theft function.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The prefabricated concrete assembly type photovoltaic support is characterized by comprising a prefabricated concrete support (1) and two concrete foundation bases, wherein the prefabricated concrete support (1) is arranged in an inverted U shape, a steel reinforcement framework (2) is preset in the prefabricated concrete support (1), the prefabricated concrete support (1) comprises a cross beam (11) used for installing a photovoltaic module (8) and two stand columns (12) which are respectively connected to two ends of the cross beam (11), the two stand columns (12) are arranged in parallel, and the two stand columns (12) are located on the same side of the cross beam (11); the end part, far away from crossbeam (11), of stand (12) has set firmly grafting post (5), concrete foundation base has preset butt groove (61), the tank bottom of butt groove (61) has preset inserting groove (62), grafting post (5) peg graft in the tip butt of inserting groove (62) and stand (12) in the tank bottom of butt groove (61).

2. Precast concrete fabricated photovoltaic support according to claim 1, characterized in that the two uprights (12) of the precast concrete support (1) have different heights, the cross beam (11) being arranged obliquely.

3. Precast concrete fabricated photovoltaic support according to claim 1, characterized in that the cross-sectional area of the longer upright (12) perpendicular to the direction of extension thereof is larger than the cross-sectional area of the shorter upright (12) perpendicular to the direction of extension thereof.

4. The precast concrete assembled photovoltaic bracket according to claim 1, wherein a fixing pin (7) is arranged between the concrete foundation base and the inserting column (5), the foundation base is provided with a fixing hole (63) communicated with the inserting groove (62), the inserting column (5) is provided with a pin hole (51), and the fixing pin (7) is inserted into the fixing hole (63) and the pin hole (51).

5. Precast concrete fabricated photovoltaic modules according to claim 1, characterized in that the columns (12) are fixed in the abutment grooves (61) by means of grouting setting in at least one of said abutment grooves (61).

6. The precast concrete assembled photovoltaic bracket of claim 1, wherein one end of the plug-in column (5) is pre-arranged in the upright column (12), the other end of the plug-in column (5) extends out of the upright column (12), and the plug-in column (5) is fixedly connected with the steel reinforcement framework (2).

7. The precast concrete assembled photovoltaic bracket of claim 6, wherein the splicing columns (5) are fixedly connected with the steel reinforcement framework (2) through connecting steel bars (52), the connecting steel bars (52) are arranged in a plurality of numbers, one ends of the connecting steel bars (52) are fixedly connected with the splicing columns (5), and the other ends of the connecting steel bars are fixedly connected with the steel reinforcement framework (2).

8. The precast concrete assembled photovoltaic support of claim 1, characterized in that U-shaped steel (3) for installing photovoltaic modules (8) is preset in the cross beam (11), the U-shaped steel (3) comprises a transverse plate (31) and two vertical plates (32), a clamping space (33) is formed between the two vertical plates (32), the end parts of the two vertical plates (32) far away from the transverse plate (31) are respectively bent towards the clamping space (33) to form bending plates (34), and the end parts of the bending plates (34) far away from the vertical plates (32) are bent towards the transverse plate (31) to form clamping plates (35).

9. The precast concrete assembled photovoltaic bracket of claim 8, characterized in that a fixing steel plate (4) is fixedly arranged on one side of the transverse plate (31) far away from the vertical plate (32), and the fixing steel plate (4) is fixedly connected with the steel reinforcement framework (2) through a fixing steel bar (41).

10. Precast concrete fabricated photovoltaic module according to claim 8, wherein the U-shaped steel (3) is provided in plurality, and the plurality of U-shaped steel (3) are provided at intervals along the length direction of the cross beam (11).