CN220139469U - Photovoltaic support - Google Patents

Abstract

The utility model discloses a photovoltaic bracket, and belongs to the technical field of photovoltaics. The device comprises a tubular pile, an inclined beam, two inclined struts, a connecting seat and an upright post, wherein the upper ends of the inclined struts and the upright post are fixedly connected with the inclined beam; the connecting seat comprises a double-head screw rod, a tubular pile connecting flange, an axial adjusting flange and an axial adjusting bracket, wherein the tubular pile connecting flange is pre-buried at the top of a tubular pile, an upper flange is arranged at the top end of the tubular pile, a blind flange is arranged at the bottom of the axial adjusting flange, the upper flange and the blind flange are fixedly connected through a plurality of flange bolts, the axial adjusting bracket comprises a supporting plate, two lug plates at the upper side of the supporting plate and an insertion pipe at the lower side of the supporting plate, the supporting plate is positioned at the upper side of the axial adjusting flange, the insertion pipe is inserted in the axial adjusting flange, a stand column is fixed at the middle part of the upper side of the supporting plate, and the two lug plates are respectively positioned at two sides of the stand column; the lower end of the double-head screw rod is fixed in the middle of the blind flange, the upper end of the double-head screw rod upwards penetrates out of the supporting plate and is locked by the upper locking nut; the lower ends of the two diagonal braces are fixedly connected with the lug plates.

Description

Photovoltaic support

Technical Field

The utility model belongs to the technical field of photovoltaics, and particularly relates to a photovoltaic bracket.

Background

Today, the demand of clean energy is increasing, and solar energy is becoming more and more important as a renewable resource. Therefore, photovoltaic power generation is pushed with the tide of energy, at present, photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing the photovoltaic effect of a semiconductor interface, a key element of the technology is a solar panel, a plurality of solar panels can form a large-area solar cell assembly after being connected in series, and a photovoltaic power generation device is formed by matching with components such as a power controller and the like. In the prior art, the solar cell panel can be fixed on a photovoltaic bracket for use.

A common photovoltaic rack has two schemes, one for each of:

scheme one: as shown in fig. 1, the photovoltaic bracket comprises a tubular pile, a column, a hoop on the tubular pile, a welding piece at the bottom end of the column, an inclined beam at the top of the column and two inclined struts for supporting the inclined beam, wherein the welding piece is welded on an end plate at the top of the tubular pile on site; the lower ends of the two diagonal braces are fixed on the two sides of the anchor ear, and the upper ends of the two diagonal braces are fixed on the diagonal beams.

As disclosed in the patent application No. cn201320737820.X, an independent solar panel support for a soft soil environment is disclosed, which solves the problem that there is no support frame for an independent solar panel in a soft soil environment compared with the prior art. The solar panel is arranged on the cross beam through the purline, the cross beam is fixedly arranged on the vertical rod, the vertical rod is fixedly arranged on the pipe pile, and the left inclined rod and the right inclined rod are arranged between the pipe pile and the cross beam.

The patent with the application number of CN202210030221.8 discloses an anti-deformation adjustable single pile support photovoltaic bracket, which comprises a prestressed concrete pipe pile, an angle steel connecting seat, an upright post, an inclined strut hoop, a front inclined strut, a rear inclined strut and a main beam; the upright post, the front diagonal bracing and the rear diagonal bracing are respectively composed of two channel steels which are inserted together and can be adjusted in height; the bottom end of the upright post is welded on the prestressed concrete pipe pile through an angle steel connecting seat, and the top end of the upright post is connected with the middle part of the main beam through a bolt; the bottom of preceding bracing passes through bolt fastening on the bracing staple bolt, and its top passes through the bolt to be connected with the girder, the bottom of back bracing passes through bolt fastening on the bracing staple bolt, and its top passes through bolt to be connected with the girder, the bracing staple bolt passes through bolt fastening on prestressed concrete tubular pile.

The photovoltaic bracket needs to be welded and fixed, and attention needs to be paid during welding:

1) The upright post, the welding piece and the tubular pile are required to be transported to the site for welding, and the electric welding machine and other equipment meet the construction requirements.

2) Before welding, sundries at the pile end are cleaned, and the pile end cannot be provided with other sundries affecting the welding quality, such as soil, rust, greasy dirt and the like.

3) Before welding, the columns are required to be measured and paid off to ensure the horizontal alignment of the same group of four columns and centered with the piles, so that the design requirement is met.

4) When in welding construction, two persons need to weld in a matched mode, an electric welding method is adopted, the welding seam needs to be continuous and full, and the welding seam cannot have construction defects such as undercut, slag inclusion, weld flash and the like, and the welding appearance needs to be attractive. When welding, one person applies welding, and one person knocks off welding slag by using a small hammer.

Therefore, the work load before welding is huge, the construction difficulty is high, the photovoltaic support possibly has tens of thousands, and the required welding machine and welding personnel are more, so that the consistency of construction quality is difficult to ensure due to different levels of the welding personnel. If there is farm light, fishing light complementary place with water surface operation, the electric welding machine not only needs to connect the power line, but also needs to connect the ground line, and the potential safety hazard is particularly large.

Scheme II: as shown in fig. 2, the photovoltaic bracket comprises a tubular pile, an oblique beam, two vertical supports arranged vertically, two oblique supports arranged obliquely, two anchor clamps on the tubular pile and the like, wherein the two anchor clamps are arranged on the tubular pile side by side up and down; the lower parts of the vertical supports are arranged on the two anchor ears, and the upper ends of the vertical supports are connected with the oblique beams; the lower end of the diagonal bracing is arranged on the anchor ear at the lower part, and the upper end of the diagonal bracing is connected with the diagonal beam.

The utility model discloses a complementary photovoltaic supporting structure of fishing light, it includes the prestressing force stake, install the sloping through fore-stock and back support on the prestressing force post, install photovoltaic module on the sloping, the prestressing force stake includes one, the staple bolt is equipped with to the fixed cover on the prestressing force stake, the fore-stock includes preceding bracing and preceding vertical support, the back support includes back bracing and back vertical support, one row of waist formula connecting hole has all been seted up on bracing, preceding vertical support, back bracing and the back vertical support, the one end that preceding bracing, preceding vertical support are connected through bolt and nut respectively the bracing, the other end that preceding bracing, preceding vertical support are connected through bolt and nut respectively staple bolt one side, the other end that back bracing, back vertical support are connected through bolt and nut respectively the staple bolt opposite side.

The second scheme has large field installation workload and more accessories, and in order to install two anchor clamps, the length of the pipe pile (the prior art generally adopts a prestressed pipe pile and the price is more expensive) is increased, the cost of the photovoltaic support can be obviously increased, and the cost of photovoltaic power generation is further improved. According to the measurement and calculation, the cost of the photovoltaic power station, the steel support and the tubular pile account for about 45% of the whole cost. Therefore, saving the tubular pile is a key factor for reducing the cost of the photovoltaic power station.

Disclosure of Invention

In order to solve the problems, the embodiment of the utility model provides a photovoltaic bracket which has the advantages of simple installation, few parts installed on site, short pipe pile length and the like. The technical scheme is as follows:

the embodiment of the utility model provides a photovoltaic bracket, which comprises a tubular pile 1, an inclined beam 4, two inclined struts 5, a connecting seat 2 at the top of the tubular pile 1 and a stand column 3 on the connecting seat 2, wherein the upper ends of the inclined struts 5 and the stand column 3 are fixedly connected with the inclined beam 4 through fixing bolts 19; the connecting seat 2 comprises a double-headed screw 9, a tubular pile connecting flange 6, an axial adjusting flange 7 and an axial adjusting bracket 8 which are sequentially arranged from bottom to top, wherein the tubular pile connecting flange 6 is pre-buried at the top of the tubular pile 1, an upper flange 10 is arranged at the top end of the tubular pile connecting flange, a blind flange 11 matched with the upper flange 10 is arranged at the bottom of the axial adjusting flange 7, the upper flange 10 and the blind flange 11 are fixedly connected through a plurality of flange bolts 12, the axial adjusting bracket 8 comprises a supporting plate 13 which is horizontally arranged, two lug plates 14 on the upper side of the supporting plate and a cannula 15 on the lower side of the two lug plates, the supporting plate 13 is positioned on the upper side of the axial adjusting flange 7, the cannula 15 is inserted into the axial adjusting flange 7, the upright post 3 is fixed at the middle part of the upper side of the supporting plate 13, and the two lug plates 14 are respectively positioned on two sides of the upright post 3; the lower end of the double-headed screw 9 is fixed in the middle of the blind flange 11, vertically passes through the insertion pipe 15 upwards, passes through the supporting plate 13 upwards at the upper end of the double-headed screw, and is locked by an upper locking nut 16 at the upper side of the supporting plate 13; the lower ends of the two diagonal braces 5 are respectively fixed to the ear plates 14 on the corresponding sides by fixing bolts 19.

Specifically, the tubular pile connecting flange 6, the axial adjusting flange 7 and the insertion pipe 15 in the embodiment of the utility model are all coaxially arranged with the tubular pile 1, the outer wall of the insertion pipe 15 is in clearance fit with the inner wall of the axial adjusting flange 7, the upright post 3 is vertically arranged, the two diagonal braces 5 are obliquely arranged and respectively positioned at the front side and the rear side of the upright post 3, and the two lug plates 14 are respectively positioned at the front side and the rear side of the upright post 3.

Wherein, the supporting plate 13 in the embodiment of the utility model is a circular plate coaxially arranged with the insertion tube 15, and an upper through hole for the double-headed screw 9 to pass through is arranged at the center of the supporting plate; a lower through hole for the double-headed screw 9 to pass through is arranged in the center of the blind flange 11; the double-headed screw 9 is coaxially arranged with the tubular pile 1, the lower end of the double-headed screw passes through the lower through hole and is locked by two lower locking nuts 17 on the upper side and the lower side of the blind flange 11, and the upper end of the double-headed screw passes through the upper through hole.

Specifically, two diagonal braces 5 in the embodiment of the present utility model are a front diagonal brace and a rear diagonal brace, respectively; the two ear plates 14 are respectively a front ear plate and a rear ear plate; the upright posts 3 are channel steel which is vertically arranged and the notch of which is left or right; the two lug plates 14 are arranged along the front and rear directions and are respectively fixed on the front side and the rear side of the channel steel; the upper end of the double-headed screw 9 and the upper lock nut 16 are positioned in the notch of the channel steel, the lower end of the front diagonal bracing is fixedly connected with the front lug plate through a fixing bolt 19, and the lower end of the rear diagonal bracing is fixedly connected with the rear lug plate through a fixing bolt 19.

Preferably, the diagonal beam 4 and the diagonal brace 5 in the embodiment of the utility model are C-shaped channel steel provided with a plurality of waist-shaped holes at intervals along the direction of the channel steel, the upper end of the upright post 3 is provided with a long round hole 20 along the vertical direction, the lug plate 14 is provided with a plurality of connecting holes 18, the upper end of the upright post 3 is fixedly connected with the diagonal beam 4 through a fixing bolt 19 penetrating through the long round hole 20 and one waist-shaped hole in the middle of the diagonal beam 4, the lower end of the diagonal brace 5 is fixedly connected with the corresponding lug plate 14 through a fixing bolt 19 penetrating through one connecting hole 18 and the waist-shaped hole in the lower end of the diagonal brace 5, and the upper end of the diagonal brace 5 is fixedly connected with the diagonal beam 4 through a waist-shaped hole penetrating through the upper end of the diagonal brace 5 and the fixing bolt 19 penetrating through the waist-shaped hole in the diagonal beam 4.

Specifically, the ear plate 14 in the embodiment of the present utility model is vertically disposed and has a plurality of rows of connection holes 18 arranged in parallel in front of and behind the ear plate, each row of connection holes 18 includes a plurality of connection holes 18 arranged in parallel in top and bottom, and the connection holes 18 are round holes matched with the waist-shaped holes.

Wherein, the tubular pile 1 in the embodiment of the utility model is a prestressed tubular pile, and the top end of the prestressed tubular pile is provided with a tubular pile end plate 21 matched with the prestressed tubular pile; the main steel bars in the pipe pile 1 are connected with the pipe pile end plate 21, and the lower end of the pipe pile connecting flange 6 is fixed on the pipe pile end plate 21.

Preferably, the tubular pile end plate 21 in the embodiment of the utility model is provided with N main tendon anchor holes 22 and N rebar holes 23, the main tendon anchor holes 22 and the rebar holes 23 are combined together in a one-to-one correspondence manner, the main tendon anchor holes 22 are provided with threaded holes for installing tension bolts, and the rebar holes 23 are provided with counter bores for installing prestressed rebars; a flange hole is correspondingly arranged on the upper flange 10 and the blind flange 11 and is positioned right above each main rib anchor hole 22; the flange bolts 12 pass through the flange holes downwards, the lower ends of the flange bolts are connected with the main rib anchor holes 22 in a threaded manner, and the flange bolts are propped against the upper sides of the tension bolts.

More preferably, N rib plates 24 are arranged between the pipe pile end plate 21 and the upper flange 10, the N rib plates 24 are arranged at intervals with the N flange bolts 12, and the inner ends of the rib plates 24 are fixed on the outer pipe wall of the pipe pile connecting flange 6.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: compared with the prior art, the pipe pile has the advantages that welding is not needed, a hoop is not needed to be installed, and the length of the pipe pile can be slightly shortened; compared with the second technical proposal, the connecting seat can be installed in a factory (the factory has a large number of tools, the processing strength is low and the efficiency is high), and only the inclined beam and the inclined strut are installed on site, so the working strength is low and the speed is high; the length of the pipe pile can be greatly shortened (more than 500mm is reduced) without installing two anchor clamps, and the cost (total of material cost and labor cost) can be reduced as a whole. In addition, the existing photovoltaic bracket is easy to adjust the axial angle; the C-shaped channel steel with the waist-shaped holes is adopted, so that the adaptability is high, the installation is convenient, and the C-shaped channel steel is fixed only by adopting the fixing bolts; the main steel bar in the pipe pile can be further tensioned by adopting the pipe pile connecting flange with a special structure, so that the service life of the pipe pile is further ensured.

Drawings

Fig. 1 is a schematic structural view of a photovoltaic bracket according to a first conventional scheme;

fig. 2 is a schematic structural diagram of a photovoltaic bracket according to a second prior art scheme;

fig. 3 is a schematic structural view of the photovoltaic bracket provided in embodiment 1;

fig. 4 is an exploded view of the tube stake and connector assembly provided in example 1;

fig. 5 is a cross-sectional view of the tube stake and connector assembly provided in example 1;

fig. 6 is a schematic structural view of the photovoltaic bracket provided in embodiment 2;

fig. 7 is a schematic structural view of the pipe pile connecting flange and axial adjustment flange combination provided in embodiment 2;

fig. 8 is a schematic structural view of a pipe pile connecting flange provided in embodiment 3;

fig. 9 is a schematic structural view of a pipe pile connecting flange provided in embodiment 4.

In the figure: 1 tubular pile, 2 connecting seats, 3 upright posts, 4 oblique beams, 5 oblique struts, 6 tubular pile connecting flanges, 7 axial adjusting flanges, 8 axial adjusting brackets, 9 double-headed screws, 10 upper flanges, 11 blind flange, 12 flange bolts, 13 supporting plates, 14 lug plates, 15 insertion pipes, 16 upper locking nuts, 17 lower locking nuts, 18 connecting holes, 19 fixing bolts, 20 long round holes, 21 tubular pile end plates, 22 main reinforcement anchor holes, 23 reinforcing steel bar holes and 24 ribbed plates.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

Referring to fig. 3 to 5, embodiment 1 provides a photovoltaic bracket comprising a pipe pile 1, a diagonal beam 4, two diagonal braces 5, a connection base 2 on the top of the pipe pile 1, a column 3 on the connection base 2, and the like. Wherein, stand 3 vertical setting, two bracing 5 all set up and lie in the front and back both sides of stand 3 respectively in the front and back slope, and sloping 4 sets up in the front and back slope, and two bracing 5 and sloping 4 constitute triangle-shaped. The arrangement of the diagonal beam 4, the two diagonal braces 5 and the upright 3 is substantially the same as in the first prior art. The difference is that: the connecting seat 2 in this embodiment includes a double-headed screw 9, and a tubular pile connecting flange 6, an axial adjusting flange 7, an axial adjusting bracket 8, and the like which are sequentially arranged from bottom to top, wherein the tubular pile connecting flange 6 and the axial adjusting flange 7 are both tubular structures coaxially arranged with the tubular pile 1. Wherein, the tubular pile flange 6 is pre-buried at the top of tubular pile 1 and its top is equipped with flange 10, and flange 10 and tubular pile flange 6 coaxial setting. The bottom of the axial adjusting flange 7 is provided with a blind flange 11 matched with the upper flange 10, and the blind flange 11 and the axial adjusting flange 7 are coaxially arranged. The upper flange 10 and the blind flange 11 are respectively provided with N flange holes in one-to-one correspondence, and the upper flange 10 and the blind flange 11 are fixedly connected through N flange bolts 12.

The axial adjustment bracket 8 comprises a horizontally arranged supporting plate 13, two ear plates 14 on the upper side thereof, a cannula 15 on the lower side thereof, and the like. Wherein, the tubular pile connecting flange 6, the axial adjusting flange 7 and the insertion pipe 15 are all coaxially arranged with the tubular pile 1; the support plate 13 is positioned on the upper side of the axial adjustment flange 7; the support plate 13 is in particular a circular plate coaxially arranged with the insertion tube 15, the outer edge of which can be flush with the outer tube wall of the axial adjustment flange 7. The insertion tube 15 is inserted into the axial adjusting flange 7; specifically, the outer wall of cannula 15 is in clearance fit with the inner wall of axial adjustment flange 7. The lower end of the upright post 3 is fixed in the middle of the upper side of the supporting plate 13, and two lug plates 14 are respectively positioned on the front side and the rear side of the upright post 3. Alternatively, the two ear panels 14 may be realized by a single riser in the front-to-back direction. The lower end of the double-headed screw 9 is fixed in the middle of the blind flange 11, it passes vertically upwards through the insertion tube 15, its upper end passes upwards out of the support plate 13 and it is locked by an upper lock nut 16 on the upper side of the support plate 13. The upper ends of the diagonal braces 5 and the upright posts 3 are fixedly connected with the diagonal beams 4 through fixing bolts 19, and the lower ends of the two diagonal braces 5 are respectively fixed on the lug plates 14 on the corresponding sides through the fixing bolts 19.

Wherein, referring to fig. 3-5, an upper through hole (in particular, a round hole slightly larger than the double-headed screw 9) for the double-headed screw 9 to pass through is arranged at the center of the supporting plate 13 in the embodiment of the present utility model. The blind flange 11 is provided with a lower through hole (specifically, a circular hole slightly larger than the double-headed screw 9) for the double-headed screw 9 to pass through at the center. The double-headed screw 9 is coaxially arranged with the tubular pile 1, the lower end of the double-headed screw passes through the lower through hole and is locked by two lower locking nuts 17 on the upper side and the lower side of the blind flange 11, and the upper end of the double-headed screw passes through the upper through hole and is locked and fixed by an upper locking nut 16.

Specifically, referring to fig. 3-5, the diagonal beam 4 in the embodiment of the present utility model is disposed obliquely downward from front to back, and the two diagonal braces 5 are respectively a front diagonal brace and a rear diagonal brace, which are respectively located on the front and rear sides of the upright 3. The two ear panels 14 are respectively a front ear panel and a rear ear panel. The upright posts 3 are channel steel which is vertically arranged and the notch of the channel steel is left or right. The front lug plate and the rear lug plate are arranged along the front and rear directions and are respectively fixed on the front side and the rear side of the channel steel. Specifically, the ear plate 14 is disposed in the radial direction of the support plate 13. The upper end of the double-headed screw 9 and the upper lock nut 16 are positioned in the notch of the channel steel so as to be convenient for operation, the front diagonal bracing is obliquely arranged from bottom to top and is fixedly connected with the front lug plate through the fixing bolt 19, and the rear diagonal bracing is obliquely arranged from bottom to top and is fixedly connected with the rear lug plate through the fixing bolt 19.

Preferably, referring to fig. 3-5, the diagonal beam 4 and the diagonal strut 5 in the embodiment of the present utility model are C-shaped channel steel provided with a plurality of waist-shaped holes at intervals along the direction of the channel steel. The upper end of the upright post 3 is provided with a long round hole 20 along the vertical direction, and the ear plate 14 is provided with a plurality of connecting holes 18. The foregoing structure can achieve ease of installation and high adaptability. Specifically, the upper end of the upright 3 is fixedly connected with the diagonal beam 4 through a fixing bolt 19 penetrating through a circular hole 20 and a waist-shaped hole in the middle of the diagonal beam 4, the lower end of the diagonal brace 5 is fixedly connected with the corresponding lug plate 14 through a fixing bolt 19 penetrating through a connecting hole 18 and a waist-shaped hole in the lower end of the diagonal brace 5, and the upper end of the diagonal brace 5 is fixedly connected with the diagonal beam 4 through a fixing bolt 19 penetrating through a waist-shaped hole in the upper end of the diagonal brace 5 and a waist-shaped hole in the diagonal beam 4. More specifically, the ear plate 14 is vertically disposed and has a plurality of rows of connecting holes 18 disposed in front of and behind the ear plate, each row of connecting holes 18 includes a plurality of connecting holes 18 disposed in side-by-side relation from top to bottom, and the connecting holes 18 are circular holes that mate with the waist-shaped holes.

The pipe pile 1 in the embodiment of the present utility model is a prestressed pipe pile, and the top end of the prestressed pipe pile is provided with a pipe pile end plate 21 matched with the prestressed pipe pile. The main steel bars in the pipe pile 1 are connected with the pipe pile end plate 21, which has the same structure as the end plate of the existing prestressed pipe pile, and is specifically a circular ring, and is also used as the lower flange of the pipe pile connecting flange 6. The lower end of the pipe pile connecting flange 6 is fixed on a pipe pile end plate 21, and the pipe pile end plate 21 and the pipe pile connecting flange 6 are coaxially arranged. In this embodiment, the flange bolts 12 are short in length and are locked at their lower ends by nuts on the lower side of the upper flange 10.

Example 2

Referring to fig. 6-7, embodiment 2 provides a photovoltaic bracket having a structure substantially the same as that of embodiment 1, except that: the flange bolts 12 in this embodiment are long, and the pipe pile 1 is further fastened to improve the service life while the pipe pile connecting flange 6 and the axial adjustment flange 7 are fixed. Specifically, the pipe pile end plate 21 is provided with N main reinforcement anchor holes 22 and N reinforcement holes 23, the main reinforcement anchor holes 22 and the reinforcement holes 23 are combined together in a one-to-one correspondence manner, the main reinforcement anchor holes 22 are provided with threaded holes for installing tension bolts, and the reinforcement holes 23 are provided with counter bores for installing prestressed reinforcements. The foregoing structure can be referred to the description of application number CN201110090858.8, and detailed description is omitted in this embodiment. And a flange hole is correspondingly arranged on the upper flange 10 and the blind flange 11 and is positioned right above each main rib anchor hole 22. The flange bolts 12 (N in total) pass downwardly through the flange holes, the lower ends of which are screwed with the main rib anchor holes 22 and which are pressed against the upper sides of the tension bolts.

Preferably, in order to improve the service strength of the pipe pile connection flange 6, N rib plates 24 are arranged between the pipe pile end plate 21 and the upper flange 10, and the N rib plates 24 and the N flange bolts 12 are arranged at intervals and uniformly distributed. Wherein, rib plate 24 sets up vertically, and its inner is fixed on the outer pipe wall of tubular pile flange 6, and it sets up along tubular pile flange 6's radial.

Example 3

Referring to fig. 8, embodiment 3 provides a specific implementation manner of the photovoltaic bracket based on embodiments 1-2, wherein the specification of the pipe pile 1 is 300; accordingly, the outer diameters of the upper flange 10 and the pipe pile end plate 21 are 300mm, the height of the pipe pile connecting flange 6 is 100mm, and the numbers of rib plates 24 and flange bolts 12 are 6.

Example 4

Referring to fig. 9, embodiment 4 provides a specific implementation manner of the photovoltaic bracket based on embodiments 1-2, wherein the specification of the pipe pile 1 is 500; accordingly, the outer diameters of the upper flange 10 and the pipe pile end plate 21 are 500mm, the height of the pipe pile connecting flange 6 is 120mm, and the numbers of rib plates 24 and flange bolts 12 are 11.

Example 5

Referring to fig. 3-9, embodiment 5 provides a method of installing the photovoltaic module disclosed in embodiments 1-4, the method comprising:

s101: when the pipe pile 1 is produced, the pipe pile connecting flange 6 is pre-buried at the top of the pipe pile 1.

S102: the axial adjustment flange 7 is fixed to the pipe pile connection flange 6 by means of flange bolts 12 at the factory or at the site of use, preferably the factory. The lower ends of the flange bolts 12 downwards penetrate through the blind flange 11 at the bottom of the axial adjusting flange 7 and the upper flange 10 at the top of the tubular pile connecting flange 6, and the lower ends of the blind flange 11 are in threaded connection with the main rib anchor holes 22 of the tubular pile end plate 21 at the bottom of the tubular pile connecting flange 6 and are propped against the top of the tension bolts.

S103: the axial adjustment bracket 8 is adjusted to a proper angle at a factory or a site of use (preferably a factory), and the axial adjustment bracket 8 is fixed to the axial adjustment flange 7 by a double-headed screw 9. The lower end of the double-headed screw 9 is locked and fixed on the blind flange 11 through two lower locking nuts 17 on the upper side and the lower side of the blind flange 11; then inserting the insertion pipe 15 into the pipe pile connecting flange 6, and at the moment, the double-headed screw 9 penetrates through the insertion pipe 15; finally, the upper end of the double-ended screw rod 9 is locked and fixed on the supporting plate 13 through an upper locking nut 16 on the upper side of the supporting plate 13 of the adjusting bracket 8.

S104: in the use field, the lower ends of the two diagonal braces 5 are fixed on corresponding connecting holes 18 of the two lug plates 14 of the adjusting bracket 8 through fixing bolts 19, the middle part of the diagonal beam 4 is fixed on a slotted hole 20 at the top of the upright post 3 through the fixing bolts 19, and the upper ends of the two diagonal braces 5 are fixedly connected with the diagonal beam 4 through the fixing bolts 19. Wherein, waist-shaped holes are arranged on the inclined beam 4 and the inclined strut 5 at intervals along the direction of the inclined beam and the inclined strut, and the fixing bolts 19 penetrate through the corresponding waist-shaped holes.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. The photovoltaic bracket comprises a tubular pile (1), an inclined beam (4), two inclined struts (5), a connecting seat (2) at the top of the tubular pile (1) and a stand column (3) on the connecting seat (2), wherein the upper ends of the inclined struts (5) and the stand column (3) are fixedly connected with the inclined beam (4) through fixing bolts (19); the connecting seat (2) comprises a double-headed screw rod (9) and a tubular pile connecting flange (6), an axial adjusting flange (7) and an axial adjusting bracket (8) which are sequentially arranged from bottom to top, wherein the tubular pile connecting flange (6) is embedded at the top of a tubular pile (1) and is provided with an upper flange (10) at the top end, the bottom of the axial adjusting flange (7) is provided with a blind flange (11) matched with the upper flange (10), the upper flange (10) and the blind flange (11) are fixedly connected through a plurality of flange bolts (12), the axial adjusting bracket (8) comprises a supporting plate (13) which is horizontally arranged, two lug plates (14) on the upper side of the supporting plate and a cannula (15) on the lower side of the two lug plates, the supporting plate (13) is positioned on the upper side of the axial adjusting flange (7), the cannula (15) is inserted into the axial adjusting flange (7), the upright post (3) is fixed at the middle part of the upper side of the supporting plate (13), and the two lug plates (14) are respectively positioned on two sides of the upright post (3); the lower end of the double-headed screw (9) is fixed in the middle of the blind flange (11), vertically upwards passes through the insertion pipe (15), upwards passes through the supporting plate (13) at the upper end of the double-headed screw, and is locked by an upper locking nut (16) at the upper side of the supporting plate (13); the lower ends of the two diagonal braces (5) are respectively fixed on the lug plates (14) at the corresponding sides through fixing bolts (19).

2. The photovoltaic bracket according to claim 1, characterized in that the pipe pile connecting flange (6), the axial adjusting flange (7) and the insertion pipe (15) are all coaxially arranged with the pipe pile (1), the outer wall of the insertion pipe (15) is in clearance fit with the inner wall of the axial adjusting flange (7), the upright post (3) is vertically arranged, the two diagonal braces (5) are obliquely arranged and are respectively positioned on the front side and the rear side of the upright post (3), and the two lug plates (14) are respectively positioned on the front side and the rear side of the upright post (3).

3. The photovoltaic bracket according to claim 2, characterized in that the supporting plate (13) is a circular plate coaxially arranged with the insertion tube (15), and an upper through hole for the passage of the double-ended screw (9) is arranged at the center; a lower through hole for the double-headed screw (9) to pass through is arranged at the center of the blind flange (11); the double-headed screw (9) and the tubular pile (1) are coaxially arranged, the lower end of the double-headed screw passes through the lower through hole and is locked by two lower locking nuts (17) on the upper side and the lower side of the blind flange (11), and the upper end of the double-headed screw passes through the upper through hole.

4. The photovoltaic bracket according to claim 2, characterized in that the two diagonal braces (5) are respectively a front diagonal brace and a rear diagonal brace; the two ear plates (14) are respectively a front ear plate and a rear ear plate; the upright post (3) is a channel steel which is vertically arranged and the notch of which is left or right; the two lug plates (14) are arranged along the front and rear directions and are respectively fixed on the front side and the rear side of the channel steel; the upper end of the double-headed screw rod (9) and the upper lock nut (16) are positioned in the notch of the channel steel, the lower end of the front diagonal bracing is fixedly connected with the front lug plate through a fixing bolt (19), and the lower end of the rear diagonal bracing is fixedly connected with the rear lug plate through a fixing bolt (19).

5. The photovoltaic bracket according to claim 4, wherein the diagonal beam (4) and the diagonal brace (5) are C-shaped channel steel provided with a plurality of waist-shaped holes along the direction of the diagonal beam (4) and the direction of the diagonal beam (5), the upper end of the upright post (3) is provided with a slotted hole (20) along the vertical direction, the lug plate (14) is provided with a plurality of connecting holes (18), the upper end of the upright post (3) is fixedly connected with the diagonal beam (4) through a fixing bolt (19) penetrating through the slotted hole (20) and one waist-shaped hole in the middle of the diagonal beam (4), the lower end of the diagonal beam (5) is fixedly connected with the corresponding lug plate (14) through a fixing bolt (19) penetrating through one connecting hole (18) and one waist-shaped hole in the lower end of the diagonal beam (5), and the upper end of the diagonal beam (4) is fixedly connected with the diagonal beam (4) through a fixing bolt (19) penetrating through one waist-shaped hole in the upper end of the diagonal beam (4).

6. The photovoltaic bracket according to claim 5, characterized in that the ear plates (14) are vertically arranged and are provided with a plurality of rows of connecting holes (18) side by side in front of and behind each other, each row of connecting holes (18) comprises a plurality of connecting holes (18) arranged side by side up and down, and the connecting holes (18) are round holes matched with the waist-shaped holes.

7. The photovoltaic bracket according to claim 1, characterized in that the pipe pile (1) is a prestressed pipe pile, the top end of which is provided with a pipe pile end plate (21) matched with the prestressed pipe pile; the main steel bars in the pipe pile (1) are connected with the pipe pile end plate (21), and the lower end of the pipe pile connecting flange (6) is fixed on the pipe pile end plate (21).

8. The photovoltaic bracket according to claim 7, characterized in that N rib plates (24) are arranged between the pipe pile end plate (21) and the upper flange (10), the N rib plates (24) are arranged at intervals with the N flange bolts (12), the rib plates (24) are vertically arranged, and the inner ends of the rib plates (24) are fixed on the outer pipe wall of the pipe pile connecting flange (6).