CN108736804A - A kind of prestressed cable formula photovoltaic bracket - Google Patents
A kind of prestressed cable formula photovoltaic bracket Download PDFInfo
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- CN108736804A CN108736804A CN201810434419.6A CN201810434419A CN108736804A CN 108736804 A CN108736804 A CN 108736804A CN 201810434419 A CN201810434419 A CN 201810434419A CN 108736804 A CN108736804 A CN 108736804A
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- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
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- 238000007665 sagging Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
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- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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
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- 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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Abstract
The invention discloses a kind of prestressed cable formula photovoltaic bracket, including more upright bars, more drag-lines being connected between upright bar, more drag-lines form multigroup drag-line portions；Each drag-line portion includes two lateral drag-lines；Each drag-line portion further includes more intermediate connectors, each intermediate connector is length-adjustable rod-like structure, and the upper end of each intermediate connector is fixedly connected with wherein one lateral drag-line, the lower end of each intermediate connector is fixedly connected with another lateral drag-line, and more intermediate connectors are arranged successively along the extending direction of lateral drag-line in the drag-line portion of place；The lateral drag-line that each intermediate connector is connected to end therewith pushes or pulls, so that the lateral drag-line being attached thereto is in tensioning state；Between adjacent two upright bar, in each drag-line portion, two lateral drag-lines are constrained to multiple crosspoints by the intermediate connector.This support self structure stability is strong, can effectively ensure that its stability supported to solar energy photovoltaic panel.
Description
Technical field
The present invention relates to technical field of photovoltaic power generation, more particularly to a kind of prestressed cable formula photovoltaic bracket.
Background technology
Photovoltaic generation is a kind of skill that luminous energy is directly translated into electric energy using the photovoltaic effect of interface
Art.Solar photovoltaic generation system is the photovoltaic effect using solar cell semi-conducting material, and solar radiation energy is directly turned
It is changed to a kind of new power generating system of electric energy, core is solar photovoltaic assembly, and photovoltaic module generally comprises polylith photovoltaic panel.
In the prior art, polylith photovoltaic panel is generally arranged in array by solar photovoltaic generation system, and makes solar energy
Photovoltaic panel faces the sun for a long time as far as possible, to enhance its absorptivity and photoelectric conversion efficiency.Traditional distributed photovoltaic hair
Power station mostly uses steel supporting structure form, it is common practice to first pour weight concrete or piling, it is desirable that wanted before pouring
The pre-buried built-in fitting being connect with superstructure, is then connected and fixed column and cant beam by connector, guide rail passes through high-strength
Degree connector is installed on cant beam, and finally, photovoltaic module is installed on guide rail.
Conventional photovoltaic support configurations steel using amount is big, and holder takes up a large area, for being difficult to assemble the ground of supporting structure
Area, such as residing areal geology are easy sedimentation；Situations such as covering large span farmland, fish pond, sewage treatment plant, sets up rigid photovoltaic
Supporting structure cost is excessively high, and construction quality is difficult to ensure.
For defect existing for rigid photovoltaic supporting structure, occur photovoltaic panel flexible support frame in the prior art, it is flexible
Supporting rack generally forms the supporting structure of solar energy photovoltaic panel by more wireropes, and this structural stability is poor, is tied to be promoted
Structure stability, to ensure the mounted angle of photovoltaic panel as far as possible, those skilled in the art have done many effort in the prior art, such as
Shown in the technical solution provided application No. is 201610513375.7,201720871371.6.It advanced optimizes and is used for solar energy
The supporting structure of photovoltaic panel support is ability to promote self structure stability to ensure the mounted angle of photovoltaic panel as far as possible
Field technique personnel technical problem urgently to be resolved hurrily.
Invention content
The supporting structure supported for solar energy photovoltaic panel is advanced optimized for set forth above, to promote self structure
Stability is asking for those skilled in the art's technical problem urgently to be resolved hurrily to ensure the mounted angle of photovoltaic panel as far as possible
Topic, the present invention provides a kind of prestressed cable formula photovoltaic brackets, this support self structure stability is strong, can effectively ensure that its is right
The stability of solar energy photovoltaic panel support.
A kind of prestressed cable formula photovoltaic bracket, including more upright bars, more drag-lines being connected between upright bar, more drawings
The multigroup drag-line portions Suo Zucheng；
Each drag-line portion includes two lateral drag-lines；
Each drag-line portion further includes more intermediate connectors, and each intermediate connector is length-adjustable rod-like structure, and each
The upper end of intermediate connector is fixedly connected with wherein one lateral drag-line, the lower end of each intermediate connector and another lateral drag-line
It is fixedly connected, more intermediate connectors are arranged successively along the extending direction of lateral drag-line in the drag-line portion of place；
The lateral drag-line that each intermediate connector is connected to end therewith pushes or pulls, so that be attached thereto
Lateral drag-line is in tensioning state；
Between adjacent two upright bar, in each drag-line portion, two lateral drag-lines are constrained to multiple friendships by the intermediate connector
Crunode.
In the prior art, it as described in the scheme provided application No. is 201720871371.6 utility model patent, adopts
Solve the problems, such as that photovoltaic plate bracing frame, but installation such as photovoltaic in the above photovoltaic plate bracing frame is arranged in large span with flexible support frame
After the photovoltaic modulies such as plate, flexible support frame bears gravity laod, wind load and accumulated snow load of photovoltaic module etc. under normal circumstances,
For the structure design of the flexible support frame for being supported to solar energy photovoltaic panel, existing flexible support frame is single layer
Rope is directed to each lateral drag-line, lateral drag-line naturally droops under respective dead weight and external force to sagging stop in the prior art,
In lateral drag-line type selecting or design transverse direction drag-line, the tensile property of lateral drag-line is normally only considered, i.e., under transverse direction drag-line nature
Its tensile property of hanging down, which meets, can bear dead weight, the gravity of photovoltaic module, wind load and the downward power of snow load.But it is existing
Flexible support frame is in specific use, since drag-line generally has that length is longer to naturally droop section on flexible support frame, in wind
Load is to the power of photovoltaic module upwards or under horizontal wind, and due to the upper and lower side formation wind pressure of photovoltaic module and the above wind pressure makes
When obtaining photovoltaic module by upward lifting force, the variation of wind speed or wind direction can make flexible support frame generate strong vibration,
The stability supported to solar energy photovoltaic panel not only bad for flexible support frame, the opto-electronic conversion effect of the above photovoltaic panel are vibrated above
Rate, it is also possible to cause photovoltaic panel and the connection of flexible support frame to be destroyed, the above connection can lead to photovoltaic panel by destruction
Vibration aggravation so that photovoltaic panel is damaged in vibration even occurs photovoltaic panel falling accident.
In the present solution, for being supported to day sun energy photovoltaic panel in each group drag-line portion, since each group drag-line portion includes
Two lateral drag-lines, in this way, during the length of intermediate connector changes between two lateral drag-lines, each intermediate connector
End provides thrust or pulling force to corresponding two lateral drag-lines, i.e., intermediate connector by answering the offer of lateral drag-line in advance
Power, the above prestressing force make each lateral drag-line be in tensioned state or tensioning state.Above by being limited to：Adjacent two upright bar
Between, in each drag-line portion, two lateral drag-lines are constrained to multiple crosspoints by the intermediate connector, while being limited to centre
The upper and lower end of connector is connected with lateral drag-line, if being respectively positioned on same vertical plane in this way, being set as each drag-line portion, each drag-line
Two lateral drag-lines are cross one another and have multiple crosspoints in portion.I.e. actually each lateral drag-line is serrated, individually
The top and bottom of sawtooth are force application location of the intermediate connector on lateral drag-line.
In this way, when photovoltaic panel is by lifting force on lateral drag-line, by intermediate connector compression and laterally in drag-line portion
Drag-line tension avoids drag-line portion from being integrally lifted upwards.In this way, by this programme, photovoltaic panel is under wind load, the knot of this holder
Structure, which designs, makes self structure stability strong, can effectively ensure that its stability supported to solar energy photovoltaic panel, avoids photovoltaic panel
It is entirely ineffective that even photovoltaic panel and the connection of this holder are damaged in vibration processes in the change of wind load angle of declination, photovoltaic panel.Together
When, in the present solution, it is adjustable to be set as intermediate connector length, lateral drag-line is because expand with heat and contract with cold hair during the use of this holder
When raw relaxation, lateral drag-line can be made to keep tensioning state to maintain this holder reliable to photovoltaic panel by adjusting intermediate connector
Support.
In the present solution, by the restriction of multiple drag-line portions form, between two upright bar of arbitrary neighborhood, two laterally in each drag-line portion
Drag-line intersect and with multiple crosspoints, it can be achieved that along drag-line portion extending direction, lateral drag-line deviates drag-line portion
The fluctuating range of the up and down both sides of extending direction is unlikely to excessive, such as will be in each drag-line portion at each intermediate connector top position
Lateral drag-line as the supporting point for providing support for photovoltaic panel, can in this way by adjusting the specific length of each intermediate connector
The supporter being of a straight line type as far as possible is provided for photovoltaic panel, is arranged in horizontal linear with facilitating to arrange out between adjacent two upright bar
Photovoltaic board group, reach and facilitate setting and obtain specific photovoltaic panel mounted angle, facilitate as between photovoltaic panel and drag-line portion
The structure design of the mounting bracket of connector：It is preferably arranged to each row's photovoltaic panel or each row in photovoltaic plate array in the prior art
Photovoltaic panel is arranged in a linear, and the straight line is horizontal line, if being that the support point height difference that mounting bracket provides is excessive in drag-line portion,
Two lateral drag-lines do not intersect and do not have multiple crosspoints in drag-line portion between i.e. adjacent two upright bar, between adjacent two upright bar
Drag-line portion span it is larger when, during realizing the tensioning of lateral drag-line, the height of high point and low spot on arbitrary transverse direction drag-line
Difference is excessive, then the design difficulty of mounting bracket and debugging difficulty can be caused to increase.
Preferably, being set as in each drag-line portion, the axis direction of each intermediate connector is respectively positioned on vertical direction；Each drag-line
Portion extends each along horizontal direction.
Further technical solution is：
It is respectively and fixedly provided with mounting bracket in each drag-line portion；
Each mounting bracket includes cross bar and Duo Gen montants, and the upper end of each montant is fixedly connected with cross bar, the lower end of each montant
It is both secured in drag-line portion, and more montants are arranged in order along the extending direction of cross bar；
The length of each montant is adjustable；
The drag-line portion is two groups, and two groups of drag-line portions are mutually parallel；Cross bar in one of which drag-line portion is higher than another group
Cross bar in drag-line portion；Each cross bar is mutually parallel.This programme is intended to adapt to the characteristic that photovoltaic panel tilts installation, as preferred
Scheme, the mounting height for being arranged with one group of drag-line portion is less than the mounting height in another group of drag-line portion, in the present solution, being set as
Further include mounting bracket, and the mounting bracket includes cross bar, more montants being connected on cross bar, more montant prolonging along cross bar
Stretch direction arrangement, it is intended to be directed to：For each drag-line portion, set for the first time or use during carries out tensioning adjusting in drag-line portion
When, on lateral drag-line other than directly being stablized by the position of the point of upright bar constraint in space, the position of other points is actually
It is not easy to control or uncontrollable, the position of point in space on intermediate connector is also not easy to control or uncontrollable, therefore
Mounting bracket as described above is set.Specifically when in use, the lower end for such as installing montant is fixed on lateral drag-line or centre connects
On fitting, in fixed point change in location in drag-line portion, can by adjust montant length, correct each cross bar flexural deformation or
So that each cross bar extends along direction initialization always, in this way so that not only hold during the installation process with the photovoltaic panel of this holder
It is easy to install, at the same may make with this holder photovoltaic panel in use, by correcting with keep specific mounted angle with
Ensure that photoelectric conversion efficiency controllability is more preferable.This programme coordinates the constraint type of two lateral drag-lines in specific each drag-line portion simultaneously,
It is consistent that the size design of mounting bracket may be designed as all montant length adjustable extents on all mounting brackets, is conducive to pacify in this way
The interchangeability shelved is to facilitate the manufacture, installation and maintenance of mounting bracket.
For the scheme for further including mounting bracket, arrangement above is that drag-line portion is two groups, i.e., two, actually also may be configured as
Drag-line portion is multiple, is such as N number of, the N is the integer more than or equal to 2.The side by side parallel arrangement of multiple drag-line portions, this holder are used
It is supported in M photovoltaic panel, M is the integer more than or equal to 1, and the particular number that mounting bracket is arranged is M*N, is set in each drag-line portion
M mounting bracket is set, all mounting brackets form M installation station, and each station of installing includes N number of mounting bracket, and each station of installing includes
Mounting bracket cross bar it is in the same plane.Using this programme, can avoid influencing when carrying out single photovoltaic panel Inclination maneuver
The inclination angle of other photovoltaic panels.
Pass through in correspondence since drag-line portion is actually the mounting base of mounting bracket, and by each drag-line portion two lateral drag-lines
Between connector mutually constrain, the mounting base with certain rigidity is integrally formed, is designed for the mechanical property of mounting bracket, cross bar
Rigidity Design is connected directly between compared to cross bar in upright bar, and mechanical strength, anti-bending strength of the cross bar met the requirements etc. can design
Obtain smaller.
The quantity of the upright bar is three or is more than three, and more upright bar arranged in rows or arrayed in columns, is in this photovoltaic branch
The upright bar in frame end portion is side upright bar, and the upright bar between the upright bar of side is intermediate uprights；
Each drag-line portion extends each along the orientation of more upright bars；
The end of each transverse direction drag-line is fixedly connected in different side upright bars, and each lateral drag-line passes through each centre
Upright bar, each intermediate uprights are that each lateral drag-line provides constraint；
Cable section between two upright bar of arbitrary neighborhood, which is fallen, is respectively and fixedly provided at least one mounting bracket.Using this programme, side
Side upright bar, which aims at, constrains the end of lateral drag-line, and intermediate uprights are aimed to being carried out about in the middle part of lateral drag-line
Beam, in this way, for the lateral drag-line of specific length, the hanging rope section of lateral drag-line is shorter between adjacent two upright bar, in this way, in
Between connector length and length adjustable extent it is certain in the case of, it is convenient that lateral drag-line is tensioned, meanwhile, can also reduce cross
The amplitude integrally sagging, convex to drag-line stress during the work time and lateral drag-line.
Each intermediate uprights provide constraint by the constriction being arranged on for lateral drag-line；
The constriction includes the pressure plate for being provided with centre bore, and the pressure plate is bolted with intermediate uprights,
Lateral drag-line is locally held between pressure plate and intermediate uprights, and lateral drag-line part from centre bore to the outer of pressure plate
It draws side.Using this programme, in respective bolt rundown process, lateral drag-line is locally held on pressure plate for realization and centre is stood
Between bar, relaxation bolt to a certain degree when, since lateral drag-line part to the outside of pressure plate from drawing in centre bore, such as
The lateral drag-line part that definition is drawn is drag-line section, in this way, since drag-line section is actually continuous rope section on lateral drag-line,
It when installation, can be designed according to specific mounting bracket, drag-line section is designed as after being drawn by centre bore being in lifting lug shape, in this way, this holder
According to season difference when lateral drag-line expands with heat and contract with cold influence photovoltaic panel mounted angle lever can be played using crowbar etc.
The tool of effect, in the case where relaxation realizes that bolt is to a certain degree between pressure plate and intermediate uprights, lateral drag-line by
In the case of photovoltaic panel gravitational load, easily by tools such as crowbars, it is vertical to reach adjusting two to adjust the length of drag-line section
The purpose of lateral guy cable length between bar, to achieve the purpose that correction or change photovoltaic panel mounted angle.As this field skill
Art personnel are not easy to apply active force to drag-line section using tools such as crowbars, can be set on ground in the case of this if drag-line section is long
Draft gear is set to achieve the purpose that adjust drag-line segment length.
To avoid in the connection bolt that relaxation is connect for pressure plate with intermediate uprights, lateral drag-line is by pressure plate in
Between deviate from and cause the Joint failures of lateral drag-line and intermediate uprights in clamping gap between upright bar, be set as：Pressure plate or/
With drag-line slot is additionally provided on intermediate uprights, be held in lateral drag-line between pressure plate and intermediate uprights partially or fully position
In the drag-line slot.
Preferably, the lateral drag-line being held between pressure plate and intermediate uprights is entirely located in the drag-line slot
In.
As the specific implementation of upright bar, the upright bar is door frame like structure, tie point of the drag-line portion in each upright bar
It arranges along the width direction of door frame like structure.In the present solution, the position of the tie point to each drag-line portion in each upright bar above
It is intended to the width direction between limiting drag-line portion along upright bar to arrange, the upright bar of such form makes each drag-line portion or transverse direction
Drag-line need not correspond independent upright bar, in this way, the upright bar that this scheme provides after each upright bar is connect with ground base, has
There is better tension stability.
As the specific implementation form of intermediate connector and montant, intermediate connector and montant are with lower structure：Including
The both ends of hoop body positioned at both ends and the telescopic rod positioned at middle part, telescopic rod are respectively and fixedly provided with a hoop body, and intermediate connector passes through it
On the lateral drag-line of hoop body clamping realize the connection with lateral drag-line；Cross bar and lateral drag-line is clamped by hoop body thereon in montant
It is connected between cross bar and drag-line portion；
The telescopic rod includes threaded rod and two thread barrels, and internal thread hole, the spiral shell are both provided on the thread barrel
The both ends of rasp bar are both provided with external screw thread, and the external screw thread at threaded rod both ends is oppositely oriented, the both ends of threaded rod and different spiral shells
Line cylinder is threadedly coupled.In the present solution, the specific type of attachment of thread barrel and threaded rod is realized, it can be achieved that by rotating threaded rod
The length adjustment of intermediate connector or montant, to reach to the preload of lateral drag-line or relaxation, the length of montant is enable to fit
The spacing for answering cross bar two tie points corresponding with drag-line portion, reach correct crossbar deformity or each montant is provided for cross bar can
The purpose for the support leaned on.
To avoid hoop body from causing damage to influence the mechanical property of lateral drag-line lateral drag-line, the intermediate connector is also
Including sleeve, it is respectively provided in the clamping gap of the hoop body there are one sleeve；The montant further includes sleeve, and montant is used for and cross
Sleeve there are one being respectively provided in the clamping gap for the hoop body being connected to drag-line；The sleeve is as between hoop body and lateral drag-line
Force transmission member；Each sleeve is spliced by two pieces of arc panels.
Each hoop body is articulated and connected by articulated shaft with corresponding thread barrel, and during length of telescopic bar changes, spiral shell
Line cylinder or hoop body can be rotated relative to articulated shaft.As those skilled in the art, the above articulated shaft may be configured as and thread barrel
Axis direction is vertical, while vertical with the lateral Cable section being clamped by hoop body.
Invention has the advantages that：
Be pressurized by intermediate connector when photovoltaic panel is by lifting force on lateral drag-line, in drag-line portion and lateral drag-line by
It draws, drag-line portion is avoided integrally to be lifted upwards.In this way, by this programme, photovoltaic panel is under wind load, the structure design of this holder
So that self structure stability is strong, it can effectively ensure that its stability supported to solar energy photovoltaic panel, avoid photovoltaic panel in wind load
It is entirely ineffective that lotus angle of declination changes, photovoltaic panel is damaged even photovoltaic panel and the connection of this holder in vibration processes.Meanwhile we
In case, it is adjustable to be set as intermediate connector length, and lateral drag-line relaxes because expanding with heat and contract with cold during the use of this holder
When, lateral drag-line can be made to keep tensioning state to maintain this holder reliably to prop up photovoltaic panel by adjusting intermediate connector
Support.
In the present solution, by the restriction of multiple drag-line portions form, between two upright bar of arbitrary neighborhood, two laterally in each drag-line portion
Drag-line intersect and with multiple crosspoints, it can be achieved that along drag-line portion extending direction, lateral drag-line deviates drag-line portion
The fluctuating range of the up and down both sides of extending direction is unlikely to excessive, such as will be in each drag-line portion at each intermediate connector top position
Lateral drag-line as the supporting point for providing support for photovoltaic panel, can in this way by adjusting the specific length of each intermediate connector
The supporter being of a straight line type as far as possible is provided for photovoltaic panel, is arranged in horizontal linear with facilitating to arrange out between adjacent two upright bar
Photovoltaic board group, reach and facilitate setting and obtain specific photovoltaic panel mounted angle, facilitate as between photovoltaic panel and drag-line portion
The structure design of the mounting bracket of connector：It is preferably arranged to each row's photovoltaic panel or each row in photovoltaic plate array in the prior art
Photovoltaic panel is arranged in a linear, and the straight line is horizontal line, if being that the support point height difference that mounting bracket provides is excessive in drag-line portion,
Two lateral drag-lines do not intersect and do not have multiple crosspoints in drag-line portion between i.e. adjacent two upright bar, between adjacent two upright bar
Drag-line portion span it is larger when, during realizing the tensioning of lateral drag-line, the height of high point and low spot on arbitrary transverse direction drag-line
Difference is excessive, then the design difficulty of mounting bracket and debugging difficulty can be caused to increase.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of one specific embodiment of prestressed cable formula photovoltaic bracket of the present invention；
Fig. 2 is the partial enlarged view of B portions shown in Fig. 1；
Fig. 3 is the partial enlarged view of A portions shown in Fig. 1；
Fig. 4 is intermediate connector in a kind of one specific embodiment of prestressed cable formula photovoltaic bracket of the present invention
Structural schematic diagram；
Fig. 5 is the structure of sleeve in a kind of one specific embodiment of prestressed cable formula photovoltaic bracket of the present invention
Schematic diagram.
Reference numeral in figure is followed successively by：1, side upright bar, 2, intermediate uprights, 21, centre bore, 22, pressure plate, 3, laterally
Drag-line, 31, drag-line section, 4, intermediate connector, 41, hoop body, 42, sleeve, 43, articulated shaft, 44, thread barrel, 45, threaded rod, 5,
Mounting bracket, 51, cross bar, 52, montant.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following
Embodiment.
Embodiment 1：
As shown in Figures 1 to 5, a kind of prestressed cable formula photovoltaic bracket, including more upright bars, be connected between upright bar
More drag-lines, more drag-lines form multigroup drag-line portion；
Each drag-line portion includes two lateral drag-lines 3；
Each drag-line portion further includes more intermediate connectors 4, and each intermediate connector 4 is length-adjustable rod-like structure, and
The upper end of each intermediate connector 4 is fixedly connected with wherein one lateral drag-line 3, the lower end of each intermediate connector 4 and another cross
It is fixedly connected to drag-line 3, more intermediate connectors 4 are arranged successively along the extending direction of lateral drag-line 3 in the drag-line portion of place；
The lateral drag-line 3 that each intermediate connector 4 is connected to end therewith pushes or pulls, so that being attached thereto
Lateral drag-line 3 be in tensioning state；
Between adjacent two upright bar, in each drag-line portion, two lateral drag-lines 3 are constrained to multiple by the intermediate connector 4
Crosspoint.
In the prior art, it as described in the scheme provided application No. is 201720871371.6 utility model patent, adopts
Solve the problems, such as that photovoltaic plate bracing frame, but installation such as photovoltaic in the above photovoltaic plate bracing frame is arranged in large span with flexible support frame
After the photovoltaic modulies such as plate, flexible support frame bears gravity laod, wind load and accumulated snow load of photovoltaic module etc. under normal circumstances,
For the structure design of the flexible support frame for being supported to solar energy photovoltaic panel, existing flexible support frame is single layer
Rope is directed to each lateral drag-line 3, in the prior art lateral drag-line 3 naturally drooped under respective dead weight and external force to it is sagging only
Point normally only considers the tensile property of lateral drag-line 3, i.e. transverse direction drag-line 3 in 3 type selecting of lateral drag-line or design transverse direction drag-line 3
Dead weight, the gravity of photovoltaic module, wind load and the downward power of snow load can be born by naturally drooping its tensile property and meeting.
But existing flexible support frame is in specific use, since drag-line generally has that length is longer to be naturally drooped on flexible support frame
Section, wind load to the power of photovoltaic module upwards or under horizontal wind, due to the upper and lower side of photovoltaic module formed wind pressure and more than
When wind pressure makes photovoltaic module by upward lifting force, the variation of wind speed or wind direction can make flexible support frame generate strongly
Vibration, it is above to vibrate the stability supported to solar energy photovoltaic panel not only bad for flexible support frame, the photoelectricity of the above photovoltaic panel
Transfer efficiency, it is also possible to cause photovoltaic panel and the connection of flexible support frame to be destroyed, the above connection can cause by destruction
Photovoltaic panel vibration aggravates so that photovoltaic panel is damaged in vibration even occurs photovoltaic panel falling accident.
In the present solution, for being supported to day sun energy photovoltaic panel in each group drag-line portion, since each group drag-line portion includes
Two lateral drag-lines 3, in this way, during the length of intermediate connector 4 changes between two lateral drag-lines 3, each intermediate connection
The end of part 4 provides thrust or pulling force to corresponding two lateral drag-lines 3, i.e., intermediate connector 4 is by carrying lateral drag-line 3
For prestressing force, the above prestressing force makes each lateral drag-line 3 be in tensioned state or tensioning state.Above by being limited to：Phase
Between adjacent two upright bars, in each drag-line portion, two lateral drag-lines 3 are constrained to multiple crosspoints, simultaneously by the intermediate connector 4
The upper and lower end of intermediate connector 4 is limited to lateral drag-line 3 to be connected, if in this way, be set as each drag-line portion be respectively positioned on it is same vertically
On face, two lateral drag-lines 3 are cross one another and have multiple crosspoints in each drag-line portion.I.e. actually each lateral drag-line 3 is equal
It is serrated, the top and bottom of single sawtooth are force application location of the intermediate connector 4 on lateral drag-line 3.
It is pressurized by intermediate connector 4 in this way, when photovoltaic panel is by lifting force on lateral drag-line 3, in drag-line portion and horizontal
To 3 tension of drag-line, drag-line portion is avoided integrally to be lifted upwards.In this way, by this programme, photovoltaic panel is under wind load, this holder
Structure design make self structure stability strong, can effectively ensure that its stability supported to solar energy photovoltaic panel, avoid light
Volt plate is damaged even photovoltaic panel and the connection of this holder in the change of wind load angle of declination, photovoltaic panel in vibration processes and loses completely
Effect.Meanwhile in the present solution, to be set as 4 length of intermediate connector adjustable, lateral drag-line 3 is because of warm during the use of this holder
It, can be by adjusting intermediate connector 4 so that lateral drag-line 3 keeps tensioning state to maintain this holder pair when relaxation occurs for swollen shrinkage
Photovoltaic panel reliably supports.
In the present solution, by the restriction of multiple drag-line portions form, between two upright bar of arbitrary neighborhood, two laterally in each drag-line portion
Drag-line 3 intersect and with multiple crosspoints, it can be achieved that along drag-line portion extending direction, lateral drag-line 3 deviates drag-line portion
The fluctuating ranges of the up and down both sides of extending direction be unlikely to excessive, such as by 4 top position of each intermediate connector in each drag-line portion
The lateral drag-line 3 at place is as the supporting point for providing support for photovoltaic panel, in this way by adjusting the specific length of each intermediate connector 4
Degree, can provide the supporter being of a straight line type as far as possible for photovoltaic panel, be arranged out between adjacent two upright bar in horizontal straight with facilitating
The photovoltaic board group of line arrangement reaches and facilitates setting and obtain specific photovoltaic panel mounted angle, facilitate as photovoltaic panel and drag-line
The structure design of the mounting bracket 5 of connector between portion：It is preferably arranged to each row's photovoltaic panel in photovoltaic plate array in the prior art
Or each row photovoltaic panel is arranged in a linear, and the straight line is horizontal line, if the supporting point height provided for mounting bracket 5 in drag-line portion
Degree difference is excessive, i.e., two lateral drag-lines 3 do not intersect and do not have multiple crosspoints in the drag-line portion between adjacent two upright bar, adjacent
When drag-line portion span between two upright bars is larger, during realizing the tensioning of lateral drag-line 3, high point on arbitrary transverse direction drag-line 3
It is excessive with the difference in height of low spot, then the design difficulty of mounting bracket 5 and debugging difficulty can be caused to increase.
Preferably, being set as in each drag-line portion, the axis direction of each intermediate connector 4 is respectively positioned on vertical direction；It is each to draw
Rope portion extends each along horizontal direction.
Embodiment 2：
As shown in Figures 1 to 5, the present embodiment is further qualified on the basis of embodiment 1：It is fixed in each drag-line portion
There is mounting bracket 5；
Each mounting bracket 5 includes cross bar 51 and Duo Gen montants 52, and the upper end of each montant 52 is fixedly connected with cross bar 51, each perpendicular
The lower end of bar 52 is both secured in drag-line portion, and more montants 52 are arranged in order along the extending direction of cross bar 51；
The length of each montant 52 is adjustable；
The drag-line portion is two groups, and two groups of drag-line portions are mutually parallel；Cross bar 51 in one of which drag-line portion is higher than another
Cross bar 51 in group drag-line portion；Each cross bar 51 is mutually parallel.This programme is intended to adapt to the characteristic that photovoltaic panel tilts installation, makees
For preferred embodiment, the mounting height for being arranged with one group of drag-line portion is less than the mounting height in another group of drag-line portion, in the present solution,
It is set as further including mounting bracket 5, and the mounting bracket 5 is erected including cross bar 51, more montants 52 being connected on cross bar 51, more
Bar 52 is arranged along the extending direction of cross bar 51, it is intended to is directed to：For each drag-line portion, is opened for the first time in drag-line portion and set or used
When carrying out tensioning adjusting in journey, on lateral drag-line 3 other than directly being stablized by the position of the point of upright bar constraint in space,
The position that he orders is actually not easy to control or uncontrollable, and the position of point in space on intermediate connector 4 is also not easy
Control is uncontrollable, therefore mounting bracket 5 as described above is arranged.Specifically when in use, the lower end for such as installing montant 52 is fixed
In on lateral drag-line 3 or on intermediate connector 4, in fixed point change in location in drag-line portion, the length of adjusting montant 52 can be passed through
Degree, corrects the flexural deformation of each cross bar 51 or so that each cross bar 51 extends along direction initialization always, in this way so that uses this branch
The photovoltaic panel of frame during the installation process not only be easy installation, while may make with this holder photovoltaic panel in use,
Ensure that photoelectric conversion efficiency controllability is more preferable by correcting to keep specific mounted angle.This programme coordinates specific each drawing simultaneously
The constraint type of two lateral drag-lines 3, the size design of mounting bracket 5 may be designed as all montants on all mounting brackets 5 in rope portion
52 length adjustable extents are consistent, are conducive to the interchangeability of mounting bracket 5 in this way to facilitate the manufacture, installation and maintenance of mounting bracket 5.
For the scheme for further including mounting bracket 5, arrangement above is that drag-line portion is two groups, i.e., two, actually can also be arranged
It is multiple for drag-line portion, is such as N number of, the N is the integer more than or equal to 2.The side by side parallel arrangement of multiple drag-line portions, this holder
It is supported for M photovoltaic panel, M is the integer more than or equal to 1, and the particular number of setting mounting bracket 5 is M*N, each drag-line portion
Upper M mounting bracket of setting 5, all mounting brackets 5 form M installation station, and each station of installing includes N number of mounting bracket 5, each erector
The cross bar 51 for the mounting bracket 5 that position includes is in the same plane.It, can when carrying out single photovoltaic panel Inclination maneuver using this programme
Avoid influencing the inclination angle of other photovoltaic panels.
Pass through correspondence since drag-line portion is actually the mounting base of mounting bracket 5, and by each drag-line portion two lateral drag-lines 3
Intermediate connector 4 mutually constrains, and the mounting base with certain rigidity is integrally formed, and is designed for the mechanical property of mounting bracket 5, horizontal
The rigidity Design of bar 51 is connected directly between compared to cross bar 51 in upright bar, the mechanical strength of the cross bar 51 met the requirements, flexing resistance
Energy etc. can be designed smaller.
The quantity of the upright bar is three or is more than three, and more upright bar arranged in rows or arrayed in columns, is in this photovoltaic branch
The upright bar in frame end portion is side upright bar 1, and the upright bar between side upright bar 1 is intermediate uprights 2；
Each drag-line portion extends each along the orientation of more upright bars；
The end of each transverse direction drag-line 3 is fixedly connected in different side upright bars 1, and each lateral drag-line 3 pass through it is each
Intermediate uprights 2, each intermediate uprights 2 are that each lateral drag-line 3 provides constraint；
Cable section between two upright bar of arbitrary neighborhood, which is fallen, is respectively and fixedly provided at least one mounting bracket 5.Using this programme, side
Side upright bar 1, which aims at, constrains the end of lateral drag-line 3, intermediate uprights 2 aim to the middle part of lateral drag-line 3 into
Row constraint, in this way, for the lateral drag-line 3 of specific length, the hanging rope section of lateral drag-line 3 is shorter between adjacent two upright bar, this
Sample, it is convenient that lateral drag-line 3 is tensioned in the case of 4 length of intermediate connector and certain length adjustable extent, meanwhile,
Also it can reduce 3 whole sagging, the convex amplitude of stress and lateral drag-line of lateral drag-line 3 during the work time.
Each intermediate uprights 2 are that lateral drag-line 3 provides constraint by the constriction being arranged on；
The constriction includes the pressure plate 22 for being provided with centre bore 21, the pressure plate 22 and 2 spiral shell of intermediate uprights
It tethers and connects, 3 part of lateral drag-line is held between pressure plate 22 and intermediate uprights 2, and 3 part of lateral drag-line is by centre bore 21
It is middle to be drawn to the outside of pressure plate 22.Using this programme, in respective bolt rundown process, realizes and press from both sides 3 part of lateral drag-line
Be held between pressure plate 22 and intermediate uprights 2, relaxation bolt to a certain degree when, since the part of lateral drag-line 3 is by centre bore
It is drawn to the outside of pressure plate 22 in 21,3 part of lateral drag-line that such as definition is drawn is drag-line section 31, in this way, due to drag-line section
31 be actually that continuously rope section can design according to specific mounting bracket 5 when mounted, drag-line section 31 is designed on lateral drag-line 3
To be in lifting lug shape after being drawn by centre bore 21, in this way, this holder can expand with heat and contract with cold influence according to season difference in lateral drag-line 3
When photovoltaic panel mounted angle, the tool of leverage can be played using crowbar etc., realize that pressure plate 22 is vertical with centre in relaxation
Between bar 2 bolt to a certain degree in the case of, in the case where lateral drag-line 3 is by photovoltaic panel gravitational load, easily pass through
The tools such as crowbar, the length of adjustment drag-line section 31 is to achieve the purpose that adjust 3 length of lateral drag-line between two upright bars, to reach
To the purpose for correcting or changing photovoltaic panel mounted angle.As those skilled in the art, if drag-line section 31 is long, crowbar etc. is utilized
Tool is not easy to apply active force to drag-line section 31, and draft gear can be arranged on ground in the case of this adjusts drag-line section 31 to reach
The purpose of length.
To avoid in the connection bolt that relaxation is connect for pressure plate 22 with intermediate uprights 2, lateral drag-line 3 is by pressure plate
The Joint failure for deviating from and causing lateral drag-line 3 and intermediate uprights 2 in clamping gap between 22 and intermediate uprights 2, is set as：
It is additionally provided with drag-line slot on pressure plate 22 or/and intermediate uprights 2, the transverse direction being held between pressure plate 22 and intermediate uprights 2
Drag-line 3 is partially or fully located in the drag-line slot.
Preferably, the lateral drag-line 3 being held between pressure plate 22 and intermediate uprights 2 is entirely located in the drawing
In rope slot.
As the specific implementation of upright bar, the upright bar is door frame like structure, tie point of the drag-line portion in each upright bar
It arranges along the width direction of door frame like structure.In the present solution, the position of the tie point to each drag-line portion in each upright bar above
It is intended to the width direction between limiting drag-line portion along upright bar to arrange, the upright bar of such form makes each drag-line portion or transverse direction
Drag-line 3 need not correspond independent upright bar, in this way, this scheme provide upright bar after each upright bar is connect with ground base,
With better tension stability.
As the specific implementation form of intermediate connector 4 and montant 52, intermediate connector 4 and montant 52 are following knot
Structure：Include positioned at the hoop body 41 at both ends and positioned at the telescopic rod at middle part, the both ends of telescopic rod are respectively and fixedly provided with a hoop body 41, and centre connects
The connection of the realization of lateral drag-line 3 and lateral drag-line 3 is clamped by hoop body 41 thereon for fitting 4；Montant 52 passes through hoop body thereon
41 clamping cross bars 51 and lateral drag-line 3 are connected between cross bar 51 and drag-line portion；
The telescopic rod includes threaded rod 45 and two thread barrels 44, and internal thread hole is both provided on the thread barrel 44,
The both ends of the threaded rod 45 are both provided with external screw thread, and the external screw thread at 45 both ends of threaded rod is oppositely oriented, and the two of threaded rod 45
It holds and is threadedly coupled from different thread barrels 44.In the present solution, the specific type of attachment of thread barrel 44 and threaded rod 45 is, it can be achieved that logical
Rotation threaded rod 45 is crossed, realizes the length adjustment of intermediate connector 4 or montant 52, to reach to the preload of lateral drag-line 3 or pine
It relaxes, the length of montant 52 is made to can adapt to the spacing of two tie points corresponding with drag-line portion of cross bar 51, reach and correct the change of cross bar 51
Shape enables each montant 52 to be that cross bar 51 provides the purpose reliably supported.
For the mechanical property for avoiding hoop body 41 from causing damage to influence lateral drag-line 3 lateral drag-line 3, the intermediate connection
Part 4 further includes sleeve 42, is respectively provided in the clamping gap of the hoop body 41 there are one sleeve 42；The montant 52 further includes sleeve
42, be respectively provided in the clamping gap of hoop body 41 that montant 52 is used to be connected with lateral drag-line 3 there are one sleeve 42；The sleeve 42
As the force transmission member between hoop body 41 and lateral drag-line 3；Each sleeve 42 is spliced by two pieces of arc panels.
The process that each hoop body 41 is articulated and connected with corresponding thread barrel 44 by articulated shaft 43, and changed in length of telescopic bar
In, thread barrel 44 or hoop body 41 can be rotated relative to articulated shaft 43.As those skilled in the art, the above articulated shaft 43 can be arranged
To be vertical with the axis direction of thread barrel 44, at the same it is vertical with the 3 rope section of lateral drag-line being clamped by hoop body 41.
The above content is combine specific preferred embodiment to the further description of the invention made, and it cannot be said that originally
The specific implementation mode of invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
The other embodiment obtained in the case where not departing from technical scheme of the present invention should be included in the protection domain of corresponding invention.
Claims (10)
1. a kind of prestressed cable formula photovoltaic bracket, including more upright bars, more drag-lines being connected between upright bar, feature exist
In more drag-lines form multigroup drag-line portion；
Each drag-line portion includes two lateral drag-lines (3)；
Each drag-line portion further includes more intermediate connectors (4), and each intermediate connector (4) is length-adjustable rod-like structure, and
The upper end of each intermediate connector (4) is fixedly connected with wherein one lateral drag-line (3), the lower end of each intermediate connector (4) with it is another
A piece lateral drag-line (3) is fixedly connected, more intermediate connectors (4) along lateral drag-line (3) in the drag-line portion of place extension side
To arranging successively；
The lateral drag-line (3) that each intermediate connector (4) connects to end therewith pushes or pulls, so that being attached thereto
Lateral drag-line (3) be in tensioning state；
Between adjacent two upright bar, in each drag-line portion, two lateral drag-lines (3) are constrained to multiple by the intermediate connector (4)
Crosspoint.
2. a kind of prestressed cable formula photovoltaic bracket according to claim 1, which is characterized in that fixed in each drag-line portion
There is mounting bracket (5)；
Each mounting bracket (5) includes cross bar (51) and more montants (52), upper end and the fixed company of cross bar (51) of each montant (52)
Connect, the lower end of each montant (52) is both secured in drag-line portion, and more montants (52) along cross bar (51) extending direction successively
Arrangement；
The length of each montant (52) is adjustable；
The drag-line portion is two groups, and two groups of drag-line portions are mutually parallel；Cross bar (51) in one of which drag-line portion is higher than another group
Cross bar (51) in drag-line portion；Each cross bar (51) is mutually parallel.
3. a kind of prestressed cable formula photovoltaic bracket according to claim 2, which is characterized in that the quantity of the upright bar is
Three or it is more than three, and more upright bar arranged in rows or arrayed in columns, the upright bar in this photovoltaic bracket end are side upright bar
(1), the upright bar between side upright bar (1) is intermediate uprights (2)；
Each drag-line portion extends each along the orientation of more upright bars；
The end of each transverse direction drag-line (3) is fixedly connected in different side upright bars (1), and each lateral drag-line (3) is passed through
Each intermediate uprights (2), each intermediate uprights (2) are that each lateral drag-line (3) provides constraint；
Cable section between two upright bar of arbitrary neighborhood, which is fallen, is respectively and fixedly provided at least one mounting bracket (5).
4. a kind of prestressed cable formula photovoltaic bracket according to claim 3, which is characterized in that each intermediate uprights (2) are equal
It is that lateral drag-line (3) provides constraint by the constriction being arranged on；
The constriction includes the pressure plate (22) for being provided with centre bore (21), the pressure plate (22) and intermediate uprights
(2) it is bolted, lateral drag-line (3) is locally held between pressure plate (22) and intermediate uprights (2), and lateral drag-line (3)
Part to the outside of pressure plate (22) from drawing in centre bore (21).
5. a kind of prestressed cable formula photovoltaic bracket according to claim 4, which is characterized in that pressure plate (22) or/and
Intermediate uprights are additionally provided with drag-line slot on (2), the lateral drag-line (3) being held between pressure plate (22) and intermediate uprights (2)
Partially or fully it is located in the drag-line slot.
6. a kind of prestressed cable formula photovoltaic bracket according to claim 5, which is characterized in that be held in pressure plate
(22) the lateral drag-line (3) between intermediate uprights (2) is entirely located in the drag-line slot.
7. a kind of prestressed cable formula photovoltaic bracket according to claim 1, which is characterized in that the upright bar (1) is door
Frame like structure, tie point of the drag-line portion in each upright bar (1) are arranged along the width direction of door frame like structure.
8. a kind of prestressed cable formula photovoltaic bracket according to claim 2, which is characterized in that intermediate connector (4) with
Montant (52) is with lower structure：Include positioned at the hoop body (41) at both ends and positioned at the telescopic rod at middle part, the both ends of telescopic rod are equal
It is fixed with a hoop body (41), intermediate connector (4) is realized and lateral drag-line by the lateral drag-line (3) of hoop body (41) clamping thereon
(3) connection；Montant (52) by hoop body (41) is thereon clamped cross bar (51) and lateral drag-line (3) be connected to cross bar (51) and
Between drag-line portion；
The telescopic rod includes threaded rod (45) and two thread barrels (44), and internal thread is both provided on the thread barrel (44)
The both ends in hole, the threaded rod (45) are both provided with external screw thread, and the external screw thread at threaded rod (45) both ends is oppositely oriented, threaded rod
(45) both ends are threadedly coupled from different thread barrels (44).
9. a kind of prestressed cable formula photovoltaic bracket according to claim 8, which is characterized in that the intermediate connector
(4) further include sleeve (42), be respectively provided in the clamping gap of the hoop body (41) there are one sleeve (42)；The montant (52) is also
Including sleeve (42), be respectively provided in the clamping gap of hoop body (41) that montant (52) is used to be connected with lateral drag-line (3) there are one
Sleeve (42)；The sleeve (42) is as the force transmission member between hoop body (41) and lateral drag-line (3)；Each sleeve (42) by
Two pieces of arc panels are spliced.
10. a kind of prestressed cable formula photovoltaic bracket according to claim 8, which is characterized in that each hoop body (41) is logical
Cross articulated shaft (43) and corresponding thread barrel (44) to be articulated and connected, and during length of telescopic bar changes, thread barrel (44) or
Hoop body (41) can be rotated relative to articulated shaft (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434419.6A CN108736804A (en) | 2018-05-08 | 2018-05-08 | A kind of prestressed cable formula photovoltaic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434419.6A CN108736804A (en) | 2018-05-08 | 2018-05-08 | A kind of prestressed cable formula photovoltaic bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108736804A true CN108736804A (en) | 2018-11-02 |
Family
ID=63938110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810434419.6A Pending CN108736804A (en) | 2018-05-08 | 2018-05-08 | A kind of prestressed cable formula photovoltaic bracket |
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| Country | Link |
|---|---|
| CN (1) | CN108736804A (en) |
Citations (5)
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|---|---|---|---|---|
| CN2447437Y (en) * | 2000-03-13 | 2001-09-12 | 范应华 | Double-wirerope adjusting fixing means for use in point-connecting glass curtain wall |
| CN201217868Y (en) * | 2008-04-25 | 2009-04-08 | 东莞市坚朗五金制品有限公司 | Curtain wall inhaul cable bracing rod |
| CN205430139U (en) * | 2015-12-29 | 2016-08-03 | 珠海兴业绿色建筑科技有限公司 | Flexible cable of large -span supports photovoltaic system |
| CN206034649U (en) * | 2016-08-30 | 2017-03-22 | 国源设计院有限公司 | Flexible cable net support of photovoltaic power generation |
| CN106602979A (en) * | 2016-12-22 | 2017-04-26 | 杭州钱唐电力工程有限公司 | Fixed cable rod bracket system for installing photovoltaic module |
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2018
- 2018-05-08 CN CN201810434419.6A patent/CN108736804A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447437Y (en) * | 2000-03-13 | 2001-09-12 | 范应华 | Double-wirerope adjusting fixing means for use in point-connecting glass curtain wall |
| CN201217868Y (en) * | 2008-04-25 | 2009-04-08 | 东莞市坚朗五金制品有限公司 | Curtain wall inhaul cable bracing rod |
| CN205430139U (en) * | 2015-12-29 | 2016-08-03 | 珠海兴业绿色建筑科技有限公司 | Flexible cable of large -span supports photovoltaic system |
| CN206034649U (en) * | 2016-08-30 | 2017-03-22 | 国源设计院有限公司 | Flexible cable net support of photovoltaic power generation |
| CN106602979A (en) * | 2016-12-22 | 2017-04-26 | 杭州钱唐电力工程有限公司 | Fixed cable rod bracket system for installing photovoltaic module |
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Application publication date: 20181102 |