CN210405160U

CN210405160U - Assembled photovoltaic support

Info

Publication number: CN210405160U
Application number: CN201921720294.XU
Authority: CN
Inventors: 冷明; 曾义; 王维; 贺琦; 白治军
Original assignee: PowerChina Zhongnan Engineering Corp Ltd
Current assignee: PowerChina Zhongnan Engineering Corp Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-04-24
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses an assembled photovoltaic support and installation method thereof, this assembled photovoltaic support, including the basis with set up the photovoltaic support unit on the basis, wherein: the foundation includes two at least stakes, and the top of every stake all is fixed with the stand, and photovoltaic support unit sets up between two adjacent stakes, interconnect between two adjacent photovoltaic support unit. The photovoltaic support is modified to realize the preassembly and the assembly type installation of the photovoltaic support, so that the mechanical construction of a large degree can be realized, the installation process is simplified, the installation efficiency is improved, and the engineering cost is reduced.

Description

Assembled photovoltaic support

Technical Field

The utility model belongs to the relevant equipment field of solar energy power generation, concretely relates to assembled photovoltaic support.

Background

In recent years, the country optimizes and adjusts the energy structure and reforms the electric power system deeply, the development of new energy comes with new opportunities, the energy transformation is constantly promoted, the green development path is continuously reached, and the energy synthesis sound is increasingly determined in China. The clean energy industry has become an important impetus for promoting the energy production and consumption revolution in China and constructing a clean, low-carbon, safe and efficient energy system. The photovoltaic power generation is used as an important support for new energy power generation, and plays an important role in promoting the healthy development of clean energy and the further optimization of an electric power structure.

The photovoltaic support is an indispensable component of the photovoltaic power generation unit, and when the photovoltaic support is installed, the structural composition is complex, the types of components and installation procedures are various, the manual demand is large, and the construction speed of the whole photovoltaic power station is influenced. The existing photovoltaic support mainly has a single-column form and a double-column form according to the structural form, the single-column form can be further subdivided into a single hoop form, a double hoop form and the like, and the double-column form can be further subdivided into an N type form, a W type form and the like. At present, no matter which form of hoop is adopted, the installation method adopts manual assembly, namely, components are transported to a specified installation site, and then the components are assembled one by one. In the assembling process, the components are easy to lose due to multiple poles, and workers are easy to confuse the components when taking the materials, so that the problems of installation errors and the like are caused. The installation speed is low, the labor consumption is high, the loss of the installation process loss component is high, and the installation precision is difficult to control, so that the assembled photovoltaic support which is assembled in advance and then installed is developed, the improvement of the mechanization degree of installation is facilitated, the installation loss is reduced, the reduction of the installation cost of photovoltaic power generation and the improvement of the installation speed and the installation efficiency are additionally important.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem for photovoltaic support installation rate, reduction photovoltaic power generation installation cost, the utility model aims at providing a can reduce the installation loss, can realize the assembled photovoltaic support of quick installation again, the technical scheme of its adoption as follows:

an assembled photovoltaic support, includes basis and sets up the photovoltaic support unit on the basis, wherein:

the foundation includes two at least stakes, and the top of every stake all is fixed with the stand, and photovoltaic support unit sets up between two adjacent stakes, interconnect between two adjacent photovoltaic support unit.

The photovoltaic support unit comprises at least two beams, four inclined rods and two purlins, wherein the middle part of each beam is connected with the stand column, two ends of each beam are respectively connected with one inclined rod, one end of each inclined rod is connected with each beam, the other end of each inclined rod is connected with the corresponding pile, a triangular supporting structure is formed between each two inclined rods and each beam, the end parts of every two adjacent beams are connected through the purlins, and a rectangular frame is formed between each purlin and each beam.

Further, the beam and the horizontal plane form an inclination angle.

Further, the end of the diagonal rod is mounted on the pile through a hoop.

Furthermore, the photovoltaic support units positioned at the head end and the tail end of the assembled photovoltaic support are provided with back pulls which are connected between two adjacent beams of the corresponding photovoltaic support units in a crossed manner.

The utility model discloses the beneficial effect who possesses: compare in the centralized assembling method one by one of manpower that generally adopts at present, the utility model discloses a to photovoltaic support's repacking, realize photovoltaic support's pre-installation, cooperation mechanized construction that can great degree for the installation rate has improved the installation effectiveness, has guaranteed the precision. The utility model discloses when realizing above-mentioned advantage, reduced the loss rate of each partial component to reduce the loss of support main component and annex in the photovoltaic support mounting process, and simplified the installation procedure, thereby reduced the installation manual work, reduced the accident incidence, guaranteed that the engineering goes on in order, reduced engineering cost.

Drawings

Fig. 1 is an overall schematic diagram of an embodiment of the present invention;

fig. 2 is a side view of an embodiment of the present invention;

FIG. 3 is a schematic view of the connection of a purlin to a beam;

FIG. 4 is a schematic structural diagram of an edge pressing block;

FIG. 5 is a schematic structural diagram of a medium pressure block;

FIG. 6 is a schematic view of the connection between the diagonal rods and the hoop;

fig. 7 is a schematic view of the connection between photovoltaic rack units;

FIG. 8 is a side view of a purlin connector;

fig. 9 is a schematic diagram of the photovoltaic support division according to the embodiment of the present invention;

fig. 10 is a schematic view illustrating a photovoltaic support unit according to an embodiment of the present invention;

fig. 11 is a schematic view of the photovoltaic support unit hoisting according to the embodiment of the present invention;

in the figure: 1-pile, 2-column, 3-photovoltaic support unit, 31-beam, 32-diagonal rod, 33-purlin, 4-hoop, 41-short hoop, 42-long hoop, 5-back pull, 6-purlin holder, 7-pressing block, 71-edge pressing block, 72-middle pressing block, 8-purlin connecting piece, 81-inner backing plate, 82-outer supporting plate and 9-photovoltaic module.

Detailed Description

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

Referring to fig. 1-2, the assembled photovoltaic support of this embodiment mainly comprises basis, stand 2, photovoltaic support unit 3 and staple bolt 4, specifically includes the basis that eight are stake 1 that the straight line was arranged in proper order equidistance and four photovoltaic support unit 3 of locating on the basis, and adjacent photovoltaic support unit 3 interconnect. Each photovoltaic rack unit 3 is supported by two adjacent stakes 1. The pile 1 can be a precast pile or a cast-in-place pile, the precast pile is adopted in the implementation, the pile 1 is driven into the foundation through pile driving equipment, the upper part of the pile is exposed out of the ground or the water surface, all the piles 1 are on the same straight line, and the pile top elevations are consistent. The pile body of every stake 1 is fixed with a staple bolt, and the welding of the pile bolck of every stake 1 has a stand 2, and stand 2 can adopt C shaped steel, U shaped steel, channel-section steel, adopts the channel-section steel in this embodiment.

Referring to fig. 1-3, each photovoltaic rack unit 3 is comprised of two beams 31, four batter posts 32 and four purlins 33. The both ends of every roof beam 31 respectively are connected with an batter post 32, purlin 33 holds in the palm 6 through the purlin and connects on two roof beams 31 and perpendicular to roof beam 31, two purlin 33 are respectively fixed at the both ends of roof beam 31 and middle part, purlin holds in the palm 6 upper portion and links to each other with purlin 33 through the bolt, the lower part passes through the bolt and links to each other with roof beam 31, be parallel to each other and the equidistance distributes between purlin 33, constitute the frame that supplies photovoltaic module 9 to install of rectangle between purlin 33 and the roof beam 31, photovoltaic module 9 accessible briquetting 7 or bolt fastening are on purlin 33. The purlins 33, the beams 31 and the diagonal rods 32 can be made of C-shaped steel or U-shaped steel, and C-shaped steel is adopted in the embodiment.

Referring to fig. 1, 2, 4 and 5, the arrangement of the photovoltaic modules 9 is 3 × 14, that is, three photovoltaic modules 9 in the longitudinal direction and fourteen photovoltaic modules 9 in the transverse direction. The photovoltaic modules 9 are fixed on the purlines by adopting press blocks 7, and three photovoltaic modules 9 in each column are fixed by four pairs of side press blocks 71 and four pairs of side press blocks 72.

Referring to fig. 2, the middle of the beam 31 is connected to the vertical column 2 corresponding to the top of the pile 1 and forms an inclination angle of 27 degrees with the horizontal plane, the beam 31 is fixed to the vertical column 2 by bolts, the upper part of the vertical column 2 is provided with a long waist hole, and the length of the long waist hole is required to meet the allowable maximum value of elevation errors caused by foundation construction. The opening at the connection of the middle part of the beam 31 and the upright 2 is a long waist hole, and the length of the opening needs to meet the allowable maximum value of the transverse deviation caused by foundation construction.

Referring to fig. 1, 2 and 6, the diagonal rods 32 on the beam are connected with the anchor ear 4, so that a triangular support structure is formed between the two diagonal rods 32 and the beam 31. The anchor ear 4 is formed by combining a semicircular short anchor ear 41 and a semicircular long anchor ear 42, and the short anchor ear 41 and the long anchor ear 42 are connected and fixed on the pile 1 through bolts. The upper ends of the two inclined columns 32 are respectively connected with the beam 31 through bolts, and the lower ends of the two inclined columns 32 are respectively connected with the long anchor ear 42 through bolts. The two ends of the long anchor ear 42 are provided with long waist holes, the length of the long anchor ear needs to meet the allowable maximum value of the transverse deviation caused by the foundation construction, and a certain allowance is provided for the transverse deviation of the bracket installation.

Referring to fig. 1, back-pull rods 5 made of round steel are further arranged on the photovoltaic support units at the head end and the tail end of the fabricated photovoltaic support, and the back-pull rods are connected between two adjacent beams 31 of the corresponding photovoltaic support unit 3 in a crisscross manner, so that the overall stability of the support structure is ensured, the lateral rigidity is improved, and the longitudinal horizontal force is transmitted.

Referring to fig. 1, 7 and 8, purlins 33 of adjacent photovoltaic bracket units 3 are connected by a purlin connecting piece 8 consisting of an inner backing plate 81 and an outer supporting plate 82. The inner backing plate 81 and the outer backing plate 82 are respectively arranged on the inner side and the outer side of the purline 33 and are connected through bolts, so that the support units 3 are connected into a whole.

The mounting method of the assembled photovoltaic bracket comprises the following steps:

s1, assembling a photovoltaic support unit:

the fabricated photovoltaic support is divided into four photovoltaic support units 3 (figure 9) according to the length of a photovoltaic array, each photovoltaic support unit 3 is supported by two adjacent piles 1, and each photovoltaic support unit 3 comprises two beams 31, four inclined columns 32 and four purlins 33 which are respectively assembled on each photovoltaic support unit 3. The assembling method is that two ends of each beam 31 are respectively connected with an oblique column 32, purlins 33 are connected on the two beams 31 through purlin supports 6 and are vertical to the beams 31, two ends and the middle of the beams 31 are respectively fixed with two purlins 33, the upper parts of the purlin supports 6 are connected with the purlins 33 through bolts, the lower parts of the purlin supports are connected with the beams 31 through bolts, the purlins 33 are mutually parallel and are distributed at equal intervals, a rectangular framework for mounting photovoltaic components is formed between the purlins 33 and the beams 31, and the assembled photovoltaic support units 3 are stored according to the installation positions on the assembled photovoltaic support in a classified manner, back pulls 5 made of round steel are further arranged on the photovoltaic support units 3 at the head end and the tail end of the assembled photovoltaic support, and the back pulls 5 are connected between two adjacent beams 31 of the corresponding photovoltaic support units 3 in a crossed manner so as to ensure that the support structure is integrally stable, the lateral rigidity is improved, and the longitudinal horizontal force is transmitted.

Through dividing the photovoltaic support into a plurality of photovoltaic support unit 3, assemble each photovoltaic support unit 3 in advance again, reduced the loss rate of each part component, improved the precision of installation and the efficiency of installation.

S2, positioning and installing the stand column and the hoop:

firstly, welding upright columns 2 on pile tops at the head end and the tail end of the fabricated photovoltaic support, and performing primary positioning through drawing or laser to ensure that the upright columns in the middle of the fabricated photovoltaic support can completely fall on the tops of the piles 1; then, accurate positioning is carried out, the upright columns 2 are placed at the tops of the piles 1, the positions of the upright columns are continuously adjusted, so that all the upright columns 2 are longitudinally arranged on the same straight line, the distance between the transverse directions is equal to the distance of the construction design, and the upright columns 2 are completely installed at the tops of the corresponding piles 1; the anchor ear 4 is installed on the pile 1 according to the height of the construction design, and is formed by combining two semicircular short anchor ears 41 and long anchor ears 42, the short anchor ears 41 and the long anchor ears 42 are connected and fixed on the pile 1 through bolts, and the anchor ears installed on all the piles 1 are ensured to be at an elevation, and the elevation error after installation is within the construction design allowable range.

Through carrying out preliminary location and accurate positioning to stand 2 and staple bolt 4, through earlier with three stands 2 of "first", "well", "tail" be located a straight line, with all the other stands mode of going on the location in succession again, guaranteed the precision of stand 2 installation, guarantee going on smoothly of follow-up photovoltaic support unit 3 installation.

S3, folding, transporting and hoisting the photovoltaic support unit:

and folding each assembled photovoltaic support unit 3, stacking and transporting each assembled photovoltaic support unit 3 to a construction area according to the installation sequence of each photovoltaic support unit 3 (fig. 10). And hoisting the photovoltaic support units 3 to corresponding positions respectively through hoisting equipment for installation. During installation, firstly, the photovoltaic support units 3 at the head ends of the assembled photovoltaic supports are hung on the corresponding upright columns 2 for installation, then the adjacent photovoltaic support units 3 are hung on the corresponding upright columns 2 one by one in sequence (figure 11), the positions of the purlines 33 are adjusted to ensure that the adjacent photovoltaic support units 3 can be smoothly connected, the middle parts of the beams 31 are connected to the upright columns 2 at the tops of the corresponding piles 1, and the beams 31 are fixedly connected with the upright columns through bolts. And finally, connecting the sandal wood strips 33 of all the photovoltaic support units 3 until the hoisting of the last photovoltaic support unit is finished.

Through folding photovoltaic support unit 3, can be between with 3 monoblocks of each photovoltaic support unit pile up and place to put things in good order according to the installation, can directly hoist after transporting photovoltaic support unit 3 to the installation region, need not secondary transport and equipment, turn into the complex and simple. And the purlines are sequentially hoisted and adjusted from head to tail and then installed, so that the installation process is simple and orderly, the precision is ensured, and the connection of the subsequent purlines is facilitated.

And S4, connecting and adjusting the photovoltaic support units, wherein the purlines 33 of the photovoltaic support units are connected through purline connecting pieces 8, and the purline connecting pieces 8 are connected and consist of inner backing plates 81 and outer supporting plates 82. The inner backing plate 81 and the outer backing plate 82 are respectively arranged on the inner side and the outer side of the purline 33 and are connected through bolts, so that the support units 3 are connected into a whole. The connection order is according to the hoist and mount order of photovoltaic support unit 3, to the purlin 33 that some have the deviation, ensures to make its purlin 33 that is connected with other through the readjustment and is located same straight line, and rethread purlin connecting piece 6 is connected and is fixed to the roughness of inspection support, whole support is installed basically and is accomplished after the accord with the requirement.

Through the location, installation, the adjustment of aforementioned each step, connect into monoblock smooth photovoltaic support through purlin connecting piece 6 with each photovoltaic support unit 3 at last, compare at present general centralized assembling method one by one of manpower, can realize great degree mechanized construction for the installation rate, reduced installation cost, and reduced the emergence probability of installation accident.

Claims

1. The utility model provides an assembled photovoltaic support, includes the basis and sets up the photovoltaic support unit on the basis, its characterized in that:

the foundation comprises at least two piles, the top end of each pile is fixed with an upright post, the photovoltaic support units are arranged between two adjacent piles, and the two adjacent photovoltaic support units are connected with each other;

2. The fabricated photovoltaic support of claim 1, wherein: the beam and the horizontal plane form an inclination angle.

3. The fabricated photovoltaic support of claim 1, wherein: the end part of the diagonal rod is arranged on the pile through a hoop.

4. The fabricated photovoltaic scaffold of any of claims 1-3, wherein: the photovoltaic support units positioned at the head end and the tail end of the assembled photovoltaic support are provided with back pull which is connected between two adjacent beams of the corresponding photovoltaic support units in a crossed manner.