CN109194260A - It is a kind of single shaft photovoltaic bracket in push rod - Google Patents
It is a kind of single shaft photovoltaic bracket in push rod Download PDFInfo
- Publication number
- CN109194260A CN109194260A CN201811321010.XA CN201811321010A CN109194260A CN 109194260 A CN109194260 A CN 109194260A CN 201811321010 A CN201811321010 A CN 201811321010A CN 109194260 A CN109194260 A CN 109194260A
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- China
- Prior art keywords
- push rod
- boom
- fixed
- photovoltaic bracket
- rod
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Rod-Shaped Construction Members (AREA)
Abstract
本发明属于太阳能光伏发电技术领域，具体涉及一种单轴光伏支架中的推杆，所述的单轴光伏支架包括立柱、横梁、推杆、立杆；所述的横梁可转动的固定在立柱上方；横梁上固定有光伏板；所述的立杆上端固定在横梁上，下端固定在推杆上，推杆与横梁相互垂直，所述的推杆是格构式结构的方管。相比传统平单轴跟踪系统采用的矩形闭口实腹式钢制推杆具有更好的结构受力可靠性，可明显提高长距离推杆的受压整体稳定性，有效解决单轴跟踪系统长距离多排联动推杆的使用限制，且大幅节约综合成本。
The invention belongs to the technical field of solar photovoltaic power generation, and in particular relates to a push rod in a uniaxial photovoltaic support. The uniaxial photovoltaic support includes a column, a beam, a push rod and a column; the beam is rotatably fixed on the column. A photovoltaic panel is fixed on the beam; the upper end of the vertical rod is fixed on the beam, and the lower end is fixed on the push rod, the push rod and the beam are perpendicular to each other, and the push rod is a square tube with a lattice structure. Compared with the traditional flat single-axis tracking system, the rectangular closed-mouth solid-belt steel push rod has better structural stress reliability, which can significantly improve the overall stability of the long-distance push rod under pressure, and effectively solve the long-term problem of the single-axis tracking system. The use of multi-row linkage actuators is limited, and the overall cost is greatly reduced.
Description
Technical field
The invention belongs to solar photovoltaic technology fields, and in particular to one kind in uniaxial photovoltaic bracket for being used to push away
Dynamic photovoltaic bracket changes the push rod of the angle of photovoltaic panel.
Background technique
Country's new energy photovoltaic art is quickly grown at present, and in recent years due to the adjustment of photovoltaic policy, country puts into effect successively
Every policy guide domestic enterprise is gradually adjusted to the higher technology of scientific and technological content by large-scale photovoltaic power plant construction and takes the lead in race type light
Overhead utility construction, wherein the application percentage of photovoltaic tracking system improves year by year, especially second batch photovoltaic leader base project
Use fixedly adjustable bracket peace uniaxial tracking bracket system, going out along with photovoltaic " 531 " policy in 2018 on a large scale
Platform, how scientific and effective raising photovoltaic plant overall system efficiency, preferably control construction cost, cost photovoltaic investment and related
The research emphasis of enterprise.
In the prior art, what the push rod in uniaxial photovoltaic bracket used is all steel flanged beam steel push rod.However in recent years, companion
With increasing for multiple ecosystem photovoltaic project, for the overall system efficiency for improving power station, using the photovoltaic project of uniaxial photovoltaic bracket
It is more and more.Such as in middle multiple ecosystem photovoltaic project, mostly using flat uniaxial photovoltaic tracking bracket, due to mechanization of agriculture
Operation requires higher and higher, causes the spacing of the adjacent flat uniaxial tracking bracket of two rows increasing, some projects are more than 14m.?
Under the premise of solid lifter length is constant, push rod cross-sectional sizes are mainly determined by the radius of gyration in section, wherein sectional dimension
The bigger radius of gyration is bigger, and slenderness ratio is smaller, and Compression Stability is higher.Therefore solid lifter is mainly by axial compression internal force and length
Thin ratio control, wherein slenderness ratio plays control action.It is to meet specification to compression according to conventional silent steel flanged beam steel push rod
The technical requirements of rod piece slenderness ratio, are only realized by way of enlarging section, and the push rod of flat uniaxial tracking bracket is eventually led to
Weight dramatically increases, production and transport, field erected cost are also increase accordingly.
Constantly increase for solid lifter length, the new situation that whole stress reliability decrease, push rod cost dramatically increase,
How a kind of stabilized structure, quick and easy for installation, connection safe and reliable, economical and practical novel lattice push rod cost weight are designed
Point research direction.
Summary of the invention
The purpose of the present invention is overcome the silent steel flanged beam steel push rod of existing rectangle to lead in the case where length significantly improves
It crosses enlarging section and causes what entire push rod weight and cost dramatically increased to lack to meet compression member slenderness ratio code requirement
Point.
For this purpose, the present invention provides the push rod in a kind of uniaxial photovoltaic bracket, the uniaxial photovoltaic bracket include column,
Crossbeam, push rod, upright bar；The crossbeam is rotatably fixed on above column；Photovoltaic panel is fixed on crossbeam；The upright bar
Upper end is fixed on crossbeam, and lower end is fixed on push rod, and push rod is mutually perpendicular to crossbeam, it is characterised in that: the push rod is
The square tube of cancelled structure.
Particularly, the push rod includes at least one double limb lace bar column, double limb lace bar columns include top boom, under
Chord member, multiple diagonal web members；The top boom, lower boom are parallel to each other；Multiple diagonal web member upper and lower ends be fixed on top boom, under
On chord member, it is fixed between top boom, lower boom with the distribution of " W " type.
Particularly, double limb lace bar columns further include multiple vertical web rods, the vertical web rod and top boom, lower boom phase
It is fixed to vertical, the position that vertical web rod one end and top boom or lower boom are fixed is solid in two diagonal web members and top boom or lower boom
Between fixed position.
Particularly, the diagonal web member, vertical web rod are all rectangular tubes.
Particularly, double limb lace bar columns at least there are two, it further includes multiple sew that double limb lace bar columns, which are parallel to each other superposition,
Plate, the batten plate are fixed with the top for the double limb lace bar columns being superimposed that are parallel to each other or lower part simultaneously.
Particularly, the material of the push rod is aluminum-zinc alloy high-strength steel or aluminium alloy.
Particularly, the top boom, lower boom, diagonal web member, vertical web rod are all the rectangular tubes that cross section is Contraband font.
Particularly, double limb lace bar columns at least there are two, double limb lace bar columns are parallel to each other, and further include multiple horizontal abdomens
Bar, Relative vertical is fixed between the horizontal web member and adjacent top boom or between adjacent lower boom；Adjacent top boom it
Between there are multiple diagonal web member both ends to be fixed thereon between adjacent lower boom, with " W " type distribution；Horizontal web member one end and top boom
Or the position that lower boom is fixed is between the fixed position of two diagonal web members and top boom or lower boom.
Particularly, the material of the push rod is aluminum-zinc alloy high-strength steel, aluminium alloy, weathering steel or galvanized steel.
Particularly, the diagonal web member, vertical web rod are all the rectangular tubes that cross section is Contraband font, the top boom, under
Chord member is that cross section is L-shaped tubing.
Beneficial effects of the present invention: 1, the whole Compression Stability of push rod is improved；2, it reduces costs.
Detailed description of the invention
The present invention is described in further details below with reference to attached drawing.
Fig. 1 is the application environment schematic diagram of push rod；
Fig. 2 is the application environment schematic diagram of push rod；
Fig. 3 is the structural schematic diagram of push rod；
Fig. 4 is two structural schematic diagram of push rod scheme；
Fig. 5 is three structural schematic diagram of push rod scheme；
Description of symbols: 1, push rod；11, chord member (including top boom, lower boom)；111, top boom；112, lower boom；12,
Vertical web rod；13, diagonal web member；14, batten plate (including upper batten plate, lower batten plate)；15, horizontal web member；2, upright bar；3, crossbeam；4, column；5,
Photovoltaic panel.
Specific embodiment
Illustrate application environment of the invention in conjunction with Fig. 1 and Fig. 2 first.If Fig. 1 is pushing away in a kind of uniaxial photovoltaic bracket
Bar, the uniaxial photovoltaic bracket include column 4, crossbeam 3, push rod 1, upright bar 2；The crossbeam 3 is rotatably fixed on vertical
4 top of column；Photovoltaic panel 5 is fixed on crossbeam 3；2 upper end of upright bar is fixed on crossbeam 3, and lower end is fixed on push rod 1,
Push rod 1 is mutually perpendicular to crossbeam 3.Under this mechanism, push rod 1 is pushed, the upright bar 2 of upper part can be driven, to make 3 turns of crossbeam
It is dynamic, so as to adjust the angle of photovoltaic panel 5.
It is the application in flat uniaxial photovoltaic bracket such as Fig. 2, from Figure 2 it can be seen that by adjusting a cross bar, adjustable one
The angle of the photovoltaic panel 5 of a array arrangement.But since application environment limits, push rod 1 is increasingly longer, and in the prior art using real
Abdomen formula steel push rod 1 is inevitable overweight, and stress-bearing capability is insufficient.Therefore, it is pushed away using the square tube of cancelled structure to substitute steel flanged beam
Bar 1, self weight will mitigate significantly, and facilitate installation, reliable and stable, cost significant decrease.Using the square tube of cancelled structure
Mean that the radial cross section of entire push rod is generally rectangular.Similarly, the push rod of the structure can also be applied to oblique list
In the photovoltaic bracket of axis, details are not described herein.
Illustrating embodiment one in conjunction with Fig. 3, the push rod 1 is cancelled structure, including at least one double limb lace bar column,
Double limb lace bar columns include top boom 111, lower boom 112, multiple diagonal web members 13；The top boom 111, lower boom
112 are parallel to each other；Multiple 13 upper and lower ends of diagonal web member are fixed on top boom 111, on lower boom 112, are fixed on the distribution of " W " type
Between top boom 111, lower boom 112.Under such configuration, it has been able to satisfy basic demand.In order to further increase the property of push rod 1
Can, it further include multiple vertical web rods 12, the vertical web rod 12 is fixed with top boom 111,112 Relative vertical of lower boom, vertical web rod
The position that 12 one end and top boom 111 or lower boom 112 are fixed is solid in two diagonal web members 13 and top boom 111 or lower boom 112
Between fixed position.Angle is between 30 ° ~ 60 ° between vertical web rod 12 and top-bottom chord 11 respectively for diagonal web member 13, vertical web rod 12
Angle is 90 ° between top-bottom chord 11, and using has better stress performance with upper angle.
The top-bottom chord 11 uses crimping Contraband font opening section, 111 curled open of top boom downwards, top boom
111 curled opens are upward, and fixedly connected hole is arranged in end edge of a wing two sides respectively in top-bottom chord 11, respectively with vertical web rod 12 and tiltedly
Web member 13 is reliably connected.
The vertical web rod 12 uses crimping Contraband font opening section, and the web of web and top-bottom chord 11 mutually hangs down
Directly, along 1 length direction arranged for interval of lattice push rod, fixedly connected hole is arranged in end edge of a wing two sides respectively in vertical web rod 12,
It is reliably connected with the edge of a wing position of top-bottom chord 11.
The diagonal web member 13 uses crimping Contraband font opening section, web respectively with top-bottom chord 11 and vertical web rod 12
Web shape it is at a certain angle, along 1 length direction arranged for interval of push rod, diagonal web member 13 is arranged in end edge of a wing two sides respectively
Fixedly connected hole is reliably connected with the edge of a wing position of top-bottom chord 11.
Without relationship is fixedly connected between the vertical web rod 12 and diagonal web member 13, fixed with the 11 end edge of a wing of top-bottom chord
Connection, the rod piece extended line of two neighboring diagonal web member 13 and the rod piece extended line of vertical web rod 12 are intersected in same point.
The push rod 1 is fixedly connected to form tool by the end edge of a wing by top-bottom chord 11, vertical web rod 12 and diagonal web member 13
There is the organization plan of plane girder feature, the end special cutting and edge of a wing aperture of all rod pieces are all made of computer automation control
System, is once formed without secondary manual intervention.
Aluminum-zinc alloy high-strength steel or aluminium alloy can be used in all bar materials of push rod 1, needs not move through galvanizing by dipping
Preservative treatment, it is more environmentally-friendly.
Connection between all rod pieces of push rod 1 is all made of electronic self-tapping screw, without conventional stud nut
Connection, it is convenient and efficient to be entirely fixedly connected with mode.
1 length of push rod should be adjusted according to project characteristic, consider the factors such as production and transport cost, work can be used
The assembling of factory's standardized production is transported to building-site or is realized using carrying out the single rod piece scene of transporting the mode such as to assemble again.
1 top-bottom chord 11 of push rod, vertical web rod 12 are consistent with 13 bar cross section of diagonal web member, if the rod piece of vertical web rod 12
The web height of length and top-bottom chord 11 is close, and square-section feature is presented in push rod 1, if the rod length of vertical web rod 12 is greater than
Rectangular section feature is presented in the web height of top-bottom chord 11, entire push rod 1, wherein 12 height of 13 length of diagonal web member and vertical web rod
And angle matches between rod piece.
It is larger in 1 length of push rod, when stress is larger, the mode of embodiment two can be used, be illustrated now in conjunction with Fig. 4,
On the basis of embodiment 1, using two groups of double superpositions in parallel of limb lace bar column push rod 1, then pass through interval and 14 groups of batten plate up and down is set
It closes building and forms scheme two.Wherein two groups of double limb lace bar column size specifications being superimposed in parallel are consistent, and double limbs after stack combinations are sewed
Column scheme two-phase is bigger than one overall stiffness of scheme, can meet 1 force request of long range push rod.Structure in the embodiment is simultaneously
It is not limited solely to the mode of two groups of superpositions, when push rod 1 needs to reach higher intensity, can be superimposed more.
The batten plate 14 up and down uses aluminum-zinc alloy high-strength steel or aluminum alloy material, needs not move through galvanizing by dipping preservative treatment,
It is more environmentally-friendly.
Connection between all rod pieces of push rod 1 and upper and lower batten plate 14 is all made of self-tapping screw, without routine
Bolt and nut connection, entire connection procedure are convenient and efficient.
Aluminum-zinc alloy high-strength steel or aluminium alloy also can be used in all bar materials of push rod 1 in the embodiment described two, is not necessarily to
It is more environmentally-friendly by galvanizing by dipping preservative treatment.
The push rod 1 along its length two sides present regularity interlock hollow out the characteristics of, compared to the silent steel flanged beam of tradition
The more graceful beauty of steel push rod 1.
Batten plate 14 is arranged in 11 location interval of top-bottom chord in the push rod 1, and 14 spacing of batten plate should be tested according to specification
It calculates, it is conventional to be not less than 500mm.Rectangular or square aluminum-zinc alloy high strength steel plate or aluminum alloy strip can be used in upper and lower batten plate 14, up and down
Batten plate 14 can be reliably connected with top-bottom chord 11 by electronic self-tapping screw.
Two groups of push rods 1 can be used in 1 scheme two of push rod, and superposition is constituted in parallel, and gapless or portion can be used between two groups
Subdivided gap stacked system, the height of any one group of push rod 1 are usually twice of width, general by 1 section of stack combinations push rod
For rectangular or rectangle, common section specification has 180mm × 180mm or 200mm × 180mm.
It is larger in 1 length of push rod, when stress is larger, the mode of embodiment three can be used, said below with reference to Fig. 5
It is bright.On the basis of example 1, parallel using two groups of double limb lace bar column push rods 1, diagonal web member is used between adjacent top boom 111
13 with the distribution of " W " type, the position of horizontal 15 one end of web member and top boom 111 or the fixation of lower boom 112 two diagonal web members 13 with it is upper
Between the position that chord member 111 or lower boom 112 are fixed, also with identical between top boom 111 between adjacent lower boom 112
Mode is attached.The material of the push rod 1 is aluminum-zinc alloy high-strength steel, aluminium alloy, weathering steel or galvanized steel.Described is oblique
Web member 13, vertical web rod 12 are all the rectangular tubes that cross section is Contraband font, and the top boom 111, lower boom 112 are that cross section is
L-shaped tubing.
For the purposes of enhancing 1 intensity of push rod, but the combination side for being embodiment three that embodiment three is different from embodiment two
Formula is freer, and the mode being superimposed in embodiment two can be superimposed multiple double limb lace bar columns in same level and increase its intensity.
And embodiment three is then not limited to horizontal direction, can also form being cross-linked for double limb lace bar columns in vertical direction.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.
Claims (10)
1. the push rod in a kind of single shaft photovoltaic bracket, the uniaxial photovoltaic bracket includes column, crossbeam, push rod, upright bar；It is described
Crossbeam be rotatably fixed on above column；Photovoltaic panel is fixed on crossbeam；The upright bar upper end is fixed on crossbeam, under
End is fixed on push rod, and push rod is mutually perpendicular to crossbeam, it is characterised in that: the push rod is the square tube of cancelled structure.
2. the push rod in single shaft photovoltaic bracket as described in claim 1, it is characterised in that: including at least one double limb lacing
Column, double limb lace bar columns include top boom, lower boom, multiple diagonal web members；The top boom, lower boom are parallel to each other；
Multiple diagonal web member upper and lower ends are fixed on top boom, on lower boom, are fixed between top boom, lower boom with the distribution of " W " type.
3. the push rod in single shaft photovoltaic bracket as claimed in claim 2, it is characterised in that: double limb lace bar columns further include
Multiple vertical web rods, the vertical web rod are fixed with top boom, lower boom Relative vertical, vertical web rod one end and top boom or lower boom
Fixed position is between the fixed position of two diagonal web members and top boom or lower boom.
4. the push rod in the uniaxial photovoltaic bracket as described in claim 2 or claim 3, it is characterised in that: described is oblique
Web member, vertical web rod are all rectangular tubes.
5. the push rod in single shaft photovoltaic bracket as claimed in claim 4, it is characterised in that: double limb lace bar columns are at least
Two, double limb lace bar columns are parallel to each other superposition, further include multiple batten plates, the batten plate simultaneously with the double limbs being superimposed that are parallel to each other
The top or lower part of lace bar column are fixed.
6. the push rod in single shaft photovoltaic bracket as claimed in claim 5, it is characterised in that: the material of the push rod is to aluminize
Zinc high-strength steel or aluminium alloy.
7. the push rod in single shaft photovoltaic bracket as claimed in claim 5, it is characterised in that: the top boom, lower boom, tiltedly
Web member, vertical web rod are all the rectangular tubes that cross section is Contraband font.
8. the push rod in single shaft photovoltaic bracket as claimed in claim 4, it is characterised in that: double limb lace bar columns are at least
Two, double limb lace bar columns are parallel to each other, and further include multiple horizontal web members, between the horizontal web member and adjacent top boom or adjacent
Relative vertical is fixed between lower boom；There are multiple diagonal web member both ends to fix between adjacent lower boom between adjacent top boom
On it, with the distribution of " W " type；Horizontal web member one end and top boom or the fixed position of lower boom in two diagonal web members and top boom or
Between the fixed position of lower boom.
9. the push rod in single shaft photovoltaic bracket as claimed in claim 8, it is characterised in that: the material of the push rod is to aluminize
Zinc high-strength steel, aluminium alloy, weathering steel or galvanized steel.
10. the push rod in single shaft photovoltaic bracket as claimed in claim 8, it is characterised in that: the diagonal web member, vertical web rod are all
It is the rectangular tube that cross section is Contraband font, the top boom, lower boom are that cross section is L-shaped tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321010.XA CN109194260A (en) | 2018-11-07 | 2018-11-07 | It is a kind of single shaft photovoltaic bracket in push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321010.XA CN109194260A (en) | 2018-11-07 | 2018-11-07 | It is a kind of single shaft photovoltaic bracket in push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109194260A true CN109194260A (en) | 2019-01-11 |
Family
ID=64942345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811321010.XA Pending CN109194260A (en) | 2018-11-07 | 2018-11-07 | It is a kind of single shaft photovoltaic bracket in push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109194260A (en) |
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| CN202466990U (en) * | 2011-12-27 | 2012-10-03 | 中南建筑设计院股份有限公司 | Two-way unequal height intersecting truss |
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Application publication date: 20190111 |