CN201839233U - Pile-column integrated type ground photovoltaic bracket - Google Patents

Abstract

The utility model discloses a pile-column integrated type ground photovoltaic bracket, comprising at least two cross beams which are distributed at intervals and are parallel to each other. The top surfaces of the cross beams are fixedly connected with at least two tracks at intervals along the length direction of the cross beam; the connecting areas among the cross beams and all the tracks are provided with more than one track adjusting hole along the length direction of the cross beam; the cross beams are fixedly connected with the corresponding tracks at the track adjusting holes; all the tracks are parallel; at least two cross beams are connected with supporting bodies on the back surfaces; the supporting body comprises a stand column and a supporting rod which are vertical to each other; the upper parts of the stand columns and the cross beams are in up-and-down adjustable hinged connection; the stand columns are provided with preset hole areas which are arranged below the connected areas of the stand columns and the cross beams and are provided with at least two preset holes; the preset holes are distributed at intervals along the length direction of the stand column; and one ends of the supporting rods are hinged together with the stand columns at the preset hole areas of the stand columns, and the other ends are hinged with the cross beams.

Description

Pile integral type ground photovoltaic bracket

Technical field

The utility model relates to a kind of solar earth photovoltaic bracket.

Background technology

Solar photovoltaic bracket is as the supporting construction of photovoltaic main part, general large tracts of land is arranged continuously, it is the important component part of solar photovoltaic generation system, solar photovoltaic bracket should have enough strength and stiffness to guarantee that enough bearing capacitys are arranged, guaranteeing bearing capacity simultaneously, the solar photovoltaic bracket needs are simple in structure as far as possible, installation is convenient.Below we will briefly introduce several typical solar photovoltaic bracket structures and performance index thereof, and content of the present utility model is proposed with this.

In the photovoltaic support technology of present existing ground, modal is the concrete foundation photovoltaic bracket, this kind photovoltaic bracket adopts concrete foundation and the design of upper metal structures holder combination, at base surface the upper metal structures support is fixedly connected, but because concrete foundation is different with the upper metal structures support construction process, cause foundation construction certainly will have a large amount of earth excavations, former face of land vegetation is damaged and to causing dust pollution around the construction site, the concrete foundation construction belongs to wet trade, the construction later stage also has a large amount of cubic metres of earth of outward transports, caused long construction period, the labor cost height.

In addition, also have a kind of novel two stake photovoltaic brackets, this kind photovoltaic bracket adopts two stake designs, to replace the independent concrete foundation in the concrete foundation photovoltaic bracket, pile adopts separate design and is connected and fixed at the stake end face by bolt, but because the defective of present pile-formation process, practical operation king-pile end face absolute altitude and plane coordinates point position can not overlap with design drawing, thereby need guarantee that crossbeam upper track end face reaches the coincidence of orbit centre on same plane by adjusting rack body, but this kind photovoltaic bracket is owing to need be provided with complicated adjusting mechanism, and operation inconvenience, 4 point of adjustment must be set in theory, too much adjustment is infeasible to cause adjusting point, then major control bore forming technology, but because the geological condition relative complex, the inhomogeneities of soil property and the rubble boulder in the soil layer, pile is had very large influence, and there is the discreteness deviation in pile self, finally causes the novel two stake photovoltaic brackets of this kind large tracts of land to implement.Though novel pair of stake photovoltaic brackets have overcome the relevant drawback of the concrete foundation construction operation of concrete foundation photovoltaic bracket, can't overcome the birth defect of self adjusting difficulty, on the convenience of installing, be not so good as the concrete foundation photovoltaic bracket on the contrary.

The utility model content

The purpose of this utility model provides a kind of pile integral type ground photovoltaic bracket.

For achieving the above object, technical solution adopted in the utility model is: this pile integral type ground photovoltaic bracket comprises at least two crossbeams spaced apart, is parallel to each other between each crossbeam; Described crossbeam compartment of terrain at least two tracks that have been fixedly connected along its length on its end face, crossbeam is provided with an above rail adjustment hole at the length direction of the join domain upper edge crossbeam of itself and each track, crossbeam is fixedly connected with corresponding described track at place, described rail adjustment hole, is parallel to each other between each track; At least two crossbeams are connected with supporter on its back side, described supporter comprises column and strut, and described column is vertical with horizontal plane, are adjustable hinged up and down between the top of column and the crossbeam; Column is provided with the preset holes zone, and described preset holes zone is below the junction of column and crossbeam, and described preset holes zone is provided with at least two preset holes, and each preset holes is spaced apart along the length direction of column; One end of described strut is hinged at the preset holes place and the column of column, and the other end and the crossbeam of strut are hinged.

Further, the preset holes zone of column described in the utility model is provided with groove in its side relative with strut, and the end of strut places in the described groove.

Further, be provided with first jockey between the top of column described in the utility model and the crossbeam, described first jockey comprises the first node plate and first connector, and described first node plate and crossbeam are fixedly connected, and described first node plate is provided with opening; Described first connector is provided with the strip slotted eye, and the lower end of described first connector and the top of column are fixedly connected, and the upper end of described first connector is hinged by the bolt and the first node plate that run through opening and strip slotted eye.

Further, the top of column described in the utility model is provided with first adjustment hole more than two, and described first adjustment hole is spaced apart along the length direction of column, and column is hinged at described first adjustment hole place and crossbeam.

Further, the utility model is provided with second jockey in the junction of described track and crossbeam; One end and the track of described second jockey are fixedly connected, and the other end of described second jockey has strip second adjustment hole, and the length direction of this strip second adjustment hole is vertical with the length direction of crossbeam; Described rail adjustment hole on the crossbeam is a strip, and the length direction in described rail adjustment hole is vertical with the length direction of strip second adjustment hole; Second jockey is fixedly connected by bolt and the crossbeam that runs through second adjustment hole and described rail adjustment hole.

Further, the utility model is in the preset holes zone of described column, and the relation shown in the formula (1) is also satisfied in the setting of preset holes:

$L=\sqrt{{\left({\mathrm{<figure-callout\; id="1"\; label="L"\; filenames="HSA00000229993200022.png,HSA00000229993200031.png"\; state="\{\{state\}\}">L</figure-callout>}}_1\cos a\right)}^2+{\mathrm{<figure-callout\; id="3"\; label="L"\; filenames="HSA00000229993200011.png,HSA00000229993200021.png"\; state="\{\{state\}\}">L</figure-callout>}}_3^2}+{\mathrm{<figure-callout\; id="1"\; label="L"\; filenames="HSA00000229993200022.png,HSA00000229993200031.png"\; state="\{\{state\}\}">L</figure-callout>}}_1\sin a-L_2---\left(1\right)$

In the formula (1), L represents the geometric center and the distance between the geometric center of a preset holes bottom of the preset holes in the top in preset holes zone on the column, L ₁The tie point of expression strut and crossbeam is to the distance between the tie point of column and crossbeam, L ₂The geometric center of the preset holes in expression column the top is to the distance between the tie point of column and crossbeam, L ₃The tie point of expression strut and column is to the distance between the tie point of strut and crossbeam, and α is the length direction of crossbeam and the angle between the horizontal plane, α=0～80 °.

Compared with prior art, the beneficial effects of the utility model are:

The utility model pile integral type ground photovoltaic bracket is owing to adopt column, the substructure of superstructure that crossbeam and strut support mutually and independent rigidity carrying piling bar, can bear photovoltaic module deadweight and wind, multiple load combination under the snow load effect, directly adopt hydraulic pile driver that stake is depressed into set depth, so need not precast concrete foundation, avoided a large amount of earth excavation to destruction of former face of land vegetation and the dust pollution around the construction site, the earthwork outward transport in wet-less operation and later stage, shorten construction period greatly, the labor savings cost, save construction investment 30%～50% than the concrete foundation photovoltaic bracket, save the construction period more than 50%; Because the utility model adopts the design of pile one, no any connection between the pile has been omitted connected node than pile separate type support, so shorten the connect hours; Since between the top of the utility model column and the crossbeam for up and down adjustable hinged, column is provided with preset holes, second jockey is provided with adjustment hole, therefore can conveniently adjust because the error that pile-formation process causes realizes the coplane at control track top and the coincidence of orbit centre; Relational expression is satisfied to being arranged on of preset holes in the preset holes zone of the utility model column

The time, can be implemented in the different latitude area and make the angle between crossbeam and the horizontal plane adjustable in 0～80 ° of scope, improve the operating efficiency of photovoltaic module to greatest extent, so two stake photovoltaic bracket realization body Adjustable structure has also been simplified adjusting process greatly; Crossbeam adopts open type to be connected with column at the first jockey place, shortened the connect hours greatly, and pair stake photovoltaic brackets can be installed in saving and connect quantities 40%～60%, realize under the situation of saving set-up time 40%～60% that support is conveniently adjusted.This installation of the utility model is convenient, adjust flexibly pile integral type ground photovoltaic bracket and structural design has broad application prospects in the large-sized photovoltaic surface power station.

Description of drawings

Fig. 1 is the structural representation of the utility model pile integral type ground tunable optical volt mounting system;

Fig. 2 is the user mode figure of the utility model pile integral type ground tunable optical volt support;

Fig. 3 is the connection diagram of the junction of Fig. 1 middle cross beam and column;

Fig. 4 is the A-A cutaway view of Fig. 3;

Fig. 5 is the connection diagram of the junction of Fig. 1 middle cross beam and track;

Fig. 6 is the connection diagram of the junction of Fig. 1 central post and strut;

Fig. 7 is the B-B cutaway view of Fig. 6.

Wherein: 1, column; 2, crossbeam; 3, stull; 4, track; 5, photovoltaic module; 6, first jockey; 7, second jockey; 8, column preset holes; 9, first node plate; 10, first connector; 11, strip slotted eye; 12, opening; 13, second adjustment hole; 14, rail adjustment hole; 15, groove.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described.

As shown in Figure 1 and Figure 2, in the present embodiment, pile integral type ground tunable optical volt support comprises three crossbeams spaced apart 2, is parallel to each other between each crossbeam 2.Crossbeam 2 compartment of terrain four tracks 4 that have been fixedly connected along its length on its end face.Every crossbeam 2 is provided with several rail adjustment holes 14, and these rail adjustment holes 14 specifically are positioned on the join domain of crossbeam 2 and each track 4; On the join domain of crossbeam 2 and every track 4, be provided with two rail adjustment holes 14 along the length direction of crossbeam 2; Crossbeam 2 is fixedly connected at 14 places, rail adjustment hole and respective track 4, is parallel to each other between each track 4; Three crossbeams 2 are connected with supporter on its back side, supporter comprises column 1 and strut 3.Wherein, column 1 is vertical with horizontal plane, directly adopt hydraulic pile driver that it is depressed into set depth, so adopt the pile integral type to need not precast concrete foundation, avoided a large amount of earth excavation to destruction of former face of land vegetation and the dust pollution around the construction site, the earthwork outward transport in wet-less operation and later stage, shorten construction period greatly, the labor savings cost, save construction investment 30%～50% than the concrete foundation photovoltaic bracket, save the construction period more than 50%, no any connection between the pile has been omitted connected node than pile separate type support, column 1 is provided with the preset holes zone, described preset holes zone is provided with at least two preset holes 8 in the preset holes zone of column 1 below the junction of column 1 and crossbeam 2, each preset holes 8 is spaced apart along the length direction of column 1; One end of column 1 and an end of strut 2 are hinged with crossbeam 2 respectively, and the other end of strut 3 is hinged at preset holes 8 places and the column 1 of column 1.

As shown in Figure 3, Figure 4, can be provided with first jockey, 6, the first jockeys 6 and comprise the first node plate 9 and first connector 10 between column 1 and crossbeam 2, first node plate 9 is provided with opening 12.First node plate 9 is fixedly connected with crossbeam 2; Lower end and column 1 that first connector 10 is provided with strip slotted eye 11, the first connectors 10 are fixedly connected; The upper end of first connector 10 is hinged by the bolt and the first node plate 9 that run through opening 12 and strip slotted eye 11, can realize the vertically adjustable up and down of column 1 by the height of adjusting bolt along the length direction of strip slotted eye 11, thereby eliminate the error that column 1 pile rear pillar top mark height causes.Because first node plate 9 is provided with opening 12, the bolt that directly will run through strip slotted eye 11 snaps in the opening 12 of first node plate 9, can realize that the crossbeam 2 and the scene of column 1 are articulated and connected fast, thereby save the connect hours.As adjustable hinged another kind of execution mode up and down, the top of column 1 is provided with first adjustment hole (not illustrating in the drawings) more than two, first adjustment hole distributes along the length direction of column 1, by selecting can to realize the vertically adjustable up and down of column 1 with hinged first adjustment hole of crossbeam 2.

As shown in Figure 5, can be provided with second jockey 7 between track 4 and the crossbeam 2, one end and the track 4 of second jockey 7 are fixedly connected, the other end of second jockey 7 has strip second adjustment hole 13, the length direction of this strip second adjustment hole 13 is vertical with the length direction of crossbeam 2, makes second jockey 7 can be along the direction adjustment perpendicular to crossbeam 2.The rail adjustment hole 14 that is provided with on the crossbeam 2 is a strip, and the length direction in rail adjustment hole 14 is vertical with the length direction of strip second adjustment hole 13; Make second jockey 7 also can be along the length direction adjustment of crossbeam 2; Second jockey 7 is fixedly connected by bolt and the crossbeam 2 that runs through second adjustment hole 13 and rail adjustment hole 14.By regulating the relative position of second jockey 7 and crossbeam 2, realize the coplane at track 4 tops and the coincidence of track 4 geometric centers.

As shown in Figure 6, the preset holes zone of column 1 is provided with at least two preset holes 8, and each preset holes 8 is spaced apart along the length direction of column 1; One end of column 1 and an end of strut 3 are hinged with crossbeam 2 respectively, and the other end of strut 3 is hinged at preset holes 8 places and the column 1 of column 1, and the length that is provided with of preset holes satisfies the relation shown in the formula 1 in the preset holes zone:

$L=\sqrt{{\left({\mathrm{<figure-callout\; id="1"\; label="L"\; filenames="HSA00000229993200022.png,HSA00000229993200031.png"\; state="\{\{state\}\}">L</figure-callout>}}_1\cos a\right)}^2+{\mathrm{<figure-callout\; id="3"\; label="L"\; filenames="HSA00000229993200011.png,HSA00000229993200021.png"\; state="\{\{state\}\}">L</figure-callout>}}_3^2}+{\mathrm{<figure-callout\; id="1"\; label="L"\; filenames="HSA00000229993200022.png,HSA00000229993200031.png"\; state="\{\{state\}\}">L</figure-callout>}}_1\sin a-L_2---\left(1\right)$

In the formula (1), L represents the geometric center and the distance between the geometric center of a preset holes bottom of the preset holes in the top in preset holes zone on the column, L ₁The tie point of expression strut and crossbeam is to the distance between the tie point of column and crossbeam, L ₂The geometric center of the preset holes in expression column the top is to the distance between the tie point of column and crossbeam, L ₃The tie point of expression strut and column is to the distance between the tie point of strut and crossbeam, and α is the length direction and the angle between the horizontal plane (being setting angle) of crossbeam, α=0～80 °.

The utility model can carry out different settings to preset holes at the different latitude area.Base area knowledge of science, solar module azimuth, Northern Hemisphere Chao Nan, setting angle α is relevant with latitude, and latitude N is 0 ° near the equator, and the solar irradiation angle is almost 90 ° the whole year, so setting angle α is 0 °, need not to adjust support setting angle α the whole year.Also pacify the border region the Yulin Prefecture between 39 ° 35 of 36 ° 57 of N '～N ' just like China Shaanxi, the solar irradiation angle is between 64.5 ° of (summer)～39.5 ° (winter), so setting angle α is between 25.5 ° of (summer)～50.5 ° (winter), 38 ° of averages of the whole year, 3 preset holes can be set on column 1 for this reason, respectively corresponding from top to bottom summer, average of the whole year and the solar irradiation angle in winter, setting angle α realizes adjustable respectively between 25.5 °, 38 ° and 50.5 °.Can certainly more preset holes be set according to the sun's motion track, carry out the support setting angle α first quarter one adjustment or adjustment in January one, thereby difference according to location latitude and season, realize that the angle between crossbeam 2 and the horizontal plane is adjustable in 0～80 ° of scope, improve the operating efficiency of photovoltaic module 5 to greatest extent.

As shown in Figure 7, the preset holes zone of column 1 can be provided with groove 15 in its side relative with strut 3, and the end of strut 3 can place apace in the groove 15 and be hinged by the bolt and the strut 3 that run through column 1 preset holes 8.

Gain knowledge according to plane geometry, three rod members intersect the triangular structure of forming in twos, shorten or increase the wherein length of a rod member, the diagonal angle size on length variations limit also can change thereupon, keep triangle length variations rod member vertical with horizontal plane, according to the location latitude and season the solar irradiation angle difference, can precompute the different numerical value in this diagonal angle, and extrapolate the changing value of rod member length under this angle, and in this rod member relevant position mark perforate, the utility model is exactly by the i.e. preset holes shown in the figure 8 of different index aperture is set on column 1 in advance, by selecting different preset holes 8 on the column 1, adjust be articulated and connected a little position of column 1 and strut 3, change column 1 and crossbeam 2, the leg-of-mutton rod member length that strut 3 is formed, change column 1 diagonal angle size, realize the rapid adjustment of setting angle α.

The utility model has shortened installation period greatly owing to adopted the method for designing of the adjustable node of pile integral type single-column to improve the convenience that support is installed, and has saved installation cost.This installation is convenient, adjust flexibly pile integral type ground photovoltaic bracket and structural design has broad application prospects in the large-sized photovoltaic surface power station.

Claims (6)

1. pile integral type ground photovoltaic bracket, it is characterized in that: comprise at least two crossbeams spaced apart (2), each crossbeam is parallel to each other between (2); Described crossbeam (2) compartment of terrain at least two tracks (4) that have been fixedly connected along its length on its end face, crossbeam (2) is provided with an above rail adjustment hole at the length direction of the join domain upper edge crossbeam (2) of itself and each track (4), crossbeam (2) is fixedly connected with corresponding described track (4) at place, described rail adjustment hole, and each track is parallel to each other between (4); At least two crossbeams (2) are connected with supporter on its back side, described supporter comprises column (1) and strut (3), and described column (1) is vertical with horizontal plane, are adjustable hinged up and down between the top of column (1) and the crossbeam (2); Column (1) is provided with the preset holes zone, and described preset holes zone is in the below of column (1) with the junction of crossbeam (2), and described preset holes zone is provided with at least two preset holes (8), and each preset holes (8) is spaced apart along the length direction of column (1); One end of described strut (3) is located with column (1) hinged at the preset holes (8) of column (1), the other end of strut (3) and crossbeam (2) are hinged.

2. pile integral type according to claim 1 ground photovoltaic bracket is characterized in that: the preset holes zone of described column (1) is provided with groove (15) in its side relative with strut (3), and the end of strut (3) places in the described groove (15).

3. pile integral type according to claim 1 and 2 ground photovoltaic bracket, it is characterized in that: be provided with first jockey (6) between the top of described column (1) and the crossbeam (2), described first jockey (6) comprises first node plate (9) and first connector (10), described first node plate (9) is fixedly connected with crossbeam (2), and described first node plate (9) is provided with opening (12); Described first connector (10) is provided with strip slotted eye (11), the top of the lower end of described first connector (10) and column (1) is fixedly connected, and the upper end of described first connector (10) is hinged by the bolt and the first node plate (9) that run through opening (12) and strip slotted eye (11).

4. pile integral type according to claim 1 and 2 ground photovoltaic bracket, it is characterized in that: the top of described column is provided with first adjustment hole more than two, described first adjustment hole is spaced apart along the length direction of column (1), and column (1) is hinged at described first adjustment hole place and crossbeam (2).

5. pile integral type according to claim 1 and 2 ground photovoltaic bracket is characterized in that: the junction at described track (4) and crossbeam (2) is provided with second jockey (7); One end of described second jockey (7) and track (4) are fixedly connected, and the other end of described second jockey (7) has strip second adjustment hole (13), and the length direction of this strip second adjustment hole (13) is vertical with the length direction of crossbeam (2); Described rail adjustment hole (14) on the crossbeam (2) is a strip, and the length direction in described rail adjustment hole (14) is vertical with the length direction of strip second adjustment hole (13); Second jockey (7) is fixedly connected by bolt and the crossbeam (2) that runs through second adjustment hole (13) and described rail adjustment hole (14).

6. pile integral type according to claim 1 and 2 ground photovoltaic bracket, it is characterized in that: in the preset holes zone of described column (1), the relation shown in the following formula is also satisfied in the setting of preset holes:

In the following formula, L represents the geometric center and the distance between the geometric center of a preset holes bottom of the preset holes in the top in preset holes zone on the column, L ₁The tie point of expression strut and crossbeam is to the distance between the tie point of column and crossbeam, L ₂The geometric center of the preset holes in expression column the top is to the distance between the tie point of column and crossbeam, L ₃The tie point of expression strut and column is to the distance between the tie point of strut and crossbeam, and α is the length direction of crossbeam and the angle between the horizontal plane, α=0～80 °.

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