CN108054983A - Photovoltaic module support and its mounting process - Google Patents
Photovoltaic module support and its mounting process Download PDFInfo
- Publication number
- CN108054983A CN108054983A CN201711284622.1A CN201711284622A CN108054983A CN 108054983 A CN108054983 A CN 108054983A CN 201711284622 A CN201711284622 A CN 201711284622A CN 108054983 A CN108054983 A CN 108054983A
- Authority
- CN
- China
- Prior art keywords
- support column
- link
- fixed
- photovoltaic module
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 10
- 230000008569 process Effects 0.000 title claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a kind of photovoltaic module supports, it is related to photovoltaic module technical field, including the first support column, the second support column, supporting cross bearer, grip block and photovoltaic battery plate, first support column one end is provided with connecting plate, and the first support column one side is equipped with several first threaded holes;Second support column one side is equipped with several second threaded holes, and second support column one end is connected by the first bolt with the first link block;Hydraulic stem is provided in the middle part of first link block one end, the first support column is connected with the second support column by the first fixed link;First fixed link one end is hinged with the second link block.The present invention is by the way that photovoltaic battery plate east-west direction is designed, the wind load that the first support column and the second support column needs are born can be mitigated, so as to reduce the demand for the anti-load-carrying ability of stent, so as to reduce the requirement of stent raw material intensity, the production cost of stent is thereby reduced.
Description
Technical field
The invention belongs to photovoltaic module technical field, more particularly to a kind of photovoltaic module support and its mounting process.
Background technology
Distributed photovoltaic power generation refers in particular to, using photovoltaic module, solar energy is converted directly into the distributed power generation system of electric energy
System.It is a kind of new, tool power generation with broad prospects for development and comprehensive utilization of energy mode, it is advocated generates electricity nearby, just
It is near grid-connected, it converts nearby, the principle used nearby, the generated energy of same size photovoltaic plant can not only be effectively improved, simultaneously
Also efficiently solve the problems, such as loss of the electric power in boosting and long-distance transport.
Existing photovoltaic module installation system is supported photovoltaic module using newel, the single support column pair of use
When photovoltaic module is supported, it is necessary to absorb and disperse the strength and pressure of all applications, and single support column is to photovoltaic module
, it is necessary to bear the influence of wind-force when being supported, cylinder can be acted on be subject to a kind of horizontal force, pullled cylinder and rocked back and forth, knot
Fruit is easily to cause hole on ground, loosens cylinder footing, then makes cylinder that can not support the strength of vertical direction, wind-force can
Entire column structure can be extracted with root ground, finally topple over it.
When existing photovoltaic module installation system is supported photovoltaic module using newel, single newel is manufacturing
Shi Bixu is manufactured with significantly thicker material or higher-quality steel, so as to which additional adds cost, and is being pacified
It is essential during dress that cylinder is deeply rammed into underground, so as to add the duration, improve construction cost.
Therefore, the problem of how further optimizing the installation of above-mentioned photovoltaic module support, be current those skilled in the art urgently
Problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of photovoltaic module support and its mounting process, by change stent structure and
The problem of material, it is of high cost to solve the manufacture of existing photovoltaic module support, stent installation period length and high construction cost.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of photovoltaic module support and its mounting process, including the first support column, the second support column, support horizontal stroke
Frame, grip block and photovoltaic battery plate,
Described first support column one end is provided with connecting plate, and the first support column one side is equipped with several first screw threads
Hole;The second support column one side be equipped with several second threaded holes, described second support column one end by the first bolt with
First link block connects;Hydraulic stem is provided in the middle part of described first link block one end;
First support column is connected with the second support column by the first fixed link;Described first fixed link one end is hinged
There is the second link block, the first fixed link other end is hinged with the 3rd link block;First fixed link, the one surface middle part hinge
The second fixed link is connected to, described second fixed link one end is hinged with the 4th link block;
One surface of supporting cross bearer is respectively arranged with end plate and receiving block;The end plate lower part is hinged with connecting plate;Institute
The one end for stating one surface middle part of receiving block and hydraulic stem is hinged;One surface middle part of supporting cross bearer is equipped with the second groove, described
Second groove, one surface, which is equipped with, is spaced several equal the 3rd threaded holes;
The photovoltaic battery plate both ends are fixed by grip block and supporting cross bearer;
Wherein, the grip block includes fixed plate, the first groove and protrusive board;One surface middle part of fixed plate is equipped with card
Slot;The 4th threaded hole is equipped in the middle part of first groove surfaces.
Further, second link block is connected by bolt with the first threaded hole and the first support column, and described
Three link blocks are connected by bolt with the second threaded hole and the second support column.
Further, the 4th link block is connected by bolt with the first threaded hole and the first support column.
Further, first support column and the second support column are wooden pipe fitting or rod piece, are easily installed, reduce
The manufacture cost of support column.
Further, the supporting cross bearer and grip block are made of aluminum alloy material, using the branch of aluminum alloy material
Crossbearer and grip block are supportted, manufacture is at low cost, light-weight to facilitate installation.
Further, first threaded hole and the second threaded hole aperture are equal, the 3rd threaded hole and the 4th screw thread
Hole aperture is equal.
Further, the protrusive board bottom is equipped with one layer of rubber pad, and grip block can be made effectively to be pressed from both sides to photovoltaic battery plate
It holds.
Further, the width of the supporting cross bearer and the width of card slot match, and increase grip block and photovoltaic battery plate is pressed from both sides
The stability held.
Further, the photovoltaic battery plate is towards east or setting of being exposed to the west, the angle of the photovoltaic battery plate and horizontal plane 15 °-
20 ° of scope.
The mounting process of photovoltaic module support, including following installation steps:
The second support column fixes on the ground described in SS01, and first support column is fixed on the positive east of the second support column
To or the ground in due west direction on;
One end of first fixed link described in SS02 is connected by the second link block with the one side of the first support column, described
The other end of first fixed link is connected by the 3rd link block with the one side of the second support column;
Second fixed link described in SS03 is connected by the 4th link block with the lower part one side of the first support column;
Supporting cross bearer described in SS04 is fixed on the first support column and the second support column, by pin by connecting plate and end plate phase
First link block, is connected by connection by first bolt with one end of the second support column;
Photovoltaic battery plate described in SS05 is fixed on a surface of supporting cross bearer by grip block, and the grip block is consolidated by screw
It is scheduled on a surface of supporting cross bearer.
The invention has the advantages that:
1st, the present invention by using two very light and short the first support columns and the second support column to photovoltaic battery plate into
Capable support adds the overall stability of photovoltaic bracket, reduces the manufacture cost of support column, need not be incited somebody to action when installing support column
Cylinder is deeply rammed into underground, simplifies installation process, shortens the construction period, reduces construction cost.
2nd, the present invention between the first support column and the second support column by setting the first fixed link and the second fixed link, energy
The stability of photovoltaic bracket support is enough further improved, the first fixed link and the second fixed link each section are all born to stretch and be carried
Lotus can make full use of the high tensile of material therefor, and by setting supporting cross bearer and grip block, different size can be advised
The photovoltaic battery plate of lattice is effectively clamped, convenient for photovoltaic battery plate installation and improve the practicability of device.
3rd, the present invention can mitigate the first support column and the second support column needs by the way that photovoltaic battery plate east-west direction is designed
The wind load born, so as to reduce the demand for the anti-load-carrying ability of stent, so as to reduce stent raw material intensity
It is required that thereby reduce the production cost of stent.
Certainly, implement any of the products of the present invention and do not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the photovoltaic module support of the present invention and its structure diagram of mounting process;
Fig. 2 is structure diagram at A in Fig. 1;
Fig. 3 is the first support column side view;
Fig. 4 is the second support column side view;
Fig. 5 is supporting cross bearer structure diagram;
Fig. 6 is grip block structure diagram;
In attached drawing, parts list represented by the reference numerals is as follows:
The first support columns of 1-, the second support columns of 2-, 3- supporting cross bearers, 4- grip blocks, 5- photovoltaic battery plates, 6- first are connected
Block, 7- hydraulic stems, 8- receiving blocks, the first fixed links of 9-, the second fixed links of 10-, 101- connecting plates, the first threaded holes of 102-,
The 4th link blocks of 103-, the second threaded holes of 201-, 301- end plates, the second grooves of 302-, the 3rd threaded holes of 303-, 401- are fixed
Plate, the first grooves of 402-, the 4th threaded holes of 403-, 404- protrusive boards, 405- card slots, the first bolts of 601-, the second link blocks of 901-,
The 3rd link blocks of 902-.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment belongs to the scope of protection of the invention.
In the description of the present invention, it is to be understood that term " perforate ", " on ", " under ", " thickness ", " top ", " in ",
Indicating positions or the position relationship such as " length ", " interior ", " surrounding " are for only for ease of the description present invention and simplify description, without
It is instruction or implies that signified component or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
Please refer to Fig.1 shown in -6, the present invention for a kind of photovoltaic module support and its mounting process, including the first support column 1,
Second support column 2, supporting cross bearer 3, grip block 4 and photovoltaic battery plate 5,1 one end of the first support column are provided with connecting plate 101, and first
1 one side of support column is equipped with several first threaded holes 102;Second support column, 2 one side is equipped with several second threaded holes
201,2 one end of the second support column is connected by the first bolt 601 with the first link block 6;It is provided in the middle part of first link block, 6 one end
Hydraulic stem 7;
First support column 1 is connected with the second support column 2 by the first fixed link 9;First fixed link, 9 one end is hinged with
Two link blocks 901,9 other end of the first fixed link are hinged with the 3rd link block 902;First fixed link, 9 one surface middle part is hinged with
Second fixed link 10,10 one end of the second fixed link are hinged with the 4th link block 103;
3 one surface of supporting cross bearer is respectively arranged with end plate 301 and receiving block 8;301 lower part of end plate is hinged with connecting plate 101;
8 one surface middle part of receiving block and one end of hydraulic stem 7 are hinged;3 one surface middle part of supporting cross bearer be equipped with the second groove 302, second
302 1 surface of groove, which is equipped with, is spaced several equal the 3rd threaded holes 303;
5 both ends of photovoltaic battery plate are fixed by grip block 4 and supporting cross bearer 3;
Wherein, grip block 4 includes fixed plate 401, the first groove 402 and protrusive board 404;401 1 surface middle part of fixed plate is set
There is card slot 405;First groove, 402 surface middle part is equipped with the 4th threaded hole 403.
Wherein, as shown in Figure 1, the second link block 901 is connected by bolt with the first threaded hole 102 and the first support column 1
It connects, the 3rd link block 902 is connected by bolt with the second threaded hole 201 and the second support column 2.Wherein, the 4th link block 103
It is connected by bolt with the first threaded hole 102 and the first support column 1.
Wherein, as shown in Figure 3 and Figure 4, the first support column 1 and the second support column 2 are wooden pipe fitting or rod piece.
Wherein, as shown in Figure 5 and Figure 6, supporting cross bearer 3 and grip block 4 are made of aluminum alloy material.
Wherein, as seen in figures 3-6, the first threaded hole 102 and 201 aperture of the second threaded hole are equal, 303 He of the 3rd threaded hole
4th threaded hole, 403 aperture is equal.
Wherein, 404 bottom of protrusive board as shown in Figure 6 is equipped with one layer of rubber pad.
Wherein, as shown in Figure 5 and Figure 6, the width of supporting cross bearer 3 and the width of card slot 405 match.
Wherein, photovoltaic battery plate 5 is towards east or setting of being exposed to the west, the scope of the angle of photovoltaic battery plate 5 and horizontal plane at 15 ° -20 °.
The mounting process of photovoltaic module support, including following installation steps:
The second support columns of SS01 2 fix on the ground, the first support column 1 be fixed on the second support column 2 due east direction or
On the ground in due west direction;
One end of the first fixed links of SS02 9 is connected by the second link block 901 with the one side of the first support column 1, the
The other end of one fixed link 9 is connected by the 3rd link block 902 with the one side of the second support column 2;
The second fixed links of SS03 10 are connected by the 4th link block 103 with the lower part one side of the first support column 1;
SS04 supporting cross bearers 3 are fixed on the first support column 1 and the second support column 2, by pin by connecting plate 101 and end plate
301 are connected, and first link block 6 is connected with one end of the second support column 2 by the first bolt 601;
SS05 photovoltaics battery plate 5 is fixed on a surface of supporting cross bearer 3 by grip block 4, and grip block 4 is fixed by screws in
One surface of supporting cross bearer 3.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to the embodiment or example particular features, structures, materials, or characteristics described
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its four corner and equivalent.
Claims (9)
1. photovoltaic module support, including the first support column (1), the second support column (2), supporting cross bearer (3), grip block (4) and light
Lie prostrate battery plate (5), it is characterised in that:
Described first support column (1) one end is provided with connecting plate (101), and the first support column (1) one side is equipped with several
First threaded hole (102);Second support column (2) one side is equipped with several second threaded holes (201), second support
Column (2) one end is connected by the first bolt (601) with the first link block (6);It is provided in the middle part of described first link block (6) one end
Hydraulic stem (7);
First support column (1) is connected with the second support column (2) by the first fixed link (9);First fixed link (9)
One end is hinged with the second link block (901), and the first fixed link (9) other end is hinged with the 3rd link block (902);Described
(9) one surface middle part of one fixed link is hinged with the second fixed link (10), and described second fixed link (10) one end is hinged with the 4th company
Connect block (103);
(3) one surface of supporting cross bearer is respectively arranged with end plate (301) and receiving block (8);End plate (301) lower part and company
Fishplate bar (101) is hinged;One end of (8) one surface middle part of receiving block and hydraulic stem (7) is hinged;The supporting cross bearer (3) one
Surface middle part is equipped with the second groove (302), and (302) one surface of the second groove, which is equipped with, is spaced several equal the 3rd screw threads
Hole (303);
Photovoltaic battery plate (5) both ends are fixed by grip block (4) and supporting cross bearer (3);
Wherein, the grip block (4) includes fixed plate (401), the first groove (402) and protrusive board (404);The fixed plate
(401) one surface middle parts are equipped with card slot (405);First groove (402) surface middle part is equipped with the 4th threaded hole (403).
2. photovoltaic module support according to claim 1, which is characterized in that second link block (901) passes through bolt
It is connected with the first threaded hole (102) and the first support column (1), the 3rd link block (902) passes through bolt and the second screw thread
Hole (201) is connected with the second support column (2).
3. photovoltaic module support according to claim 1, which is characterized in that the 4th link block (103) passes through bolt
It is connected with the first threaded hole (102) and the first support column (1).
4. photovoltaic module support according to claim 1, which is characterized in that first support column (1) and the second support
Column (2) is wooden pipe fitting or rod piece.
5. photovoltaic module support according to claim 1, which is characterized in that the supporting cross bearer (3) and grip block (4) are equal
It is made of aluminum alloy material.
6. photovoltaic module support according to claim 1, which is characterized in that first threaded hole (102) and the second spiral shell
Pit (201) aperture is equal, and the 3rd threaded hole (303) and the 4th threaded hole (403) aperture are equal.
7. photovoltaic module support according to claim 1, which is characterized in that protrusive board (404) bottom is equipped with one layer of rubber
Rubber cushion.
8. photovoltaic module support according to claim 1, which is characterized in that the width and card slot of the supporting cross bearer (3)
(405) width matches.
9. the mounting process of the photovoltaic module support as described in claim 1-8 any one, which is characterized in that including pacifying as follows
Fill step:
The second support column (2) fixes on the ground described in SS01, and first support column (1) is fixed on the second support column (2)
On the ground in due east direction or due west direction;
One end of first fixed link (9) described in SS02 is connected by the second link block (901) with the one side of the first support column (1)
It connects, the other end of first fixed link (9) is connected by the 3rd link block (902) with the one side of the second support column (2);
Second fixed link (10) described in SS03 is connected by the 4th link block (103) with the lower part one side of the first support column (1)
It connects;
Supporting cross bearer described in SS04 (3) is fixed on the first support column (1) and the second support column (2), by pin by connecting plate
(101) it is connected with end plate (301), by the first bolt (601) by one end of the first link block (6) and the second support column (2)
It is connected;
Photovoltaic battery plate (5) described in SS05 is fixed on a surface of supporting cross bearer (3) by grip block (4), and the grip block (4) is logical
Cross the surface that screw is fixed on supporting cross bearer (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711284622.1A CN108054983A (en) | 2017-12-07 | 2017-12-07 | Photovoltaic module support and its mounting process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711284622.1A CN108054983A (en) | 2017-12-07 | 2017-12-07 | Photovoltaic module support and its mounting process |
Publications (1)
Publication Number | Publication Date |
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CN108054983A true CN108054983A (en) | 2018-05-18 |
Family
ID=62122921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711284622.1A Pending CN108054983A (en) | 2017-12-07 | 2017-12-07 | Photovoltaic module support and its mounting process |
Country Status (1)
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CN (1) | CN108054983A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109361340A (en) * | 2018-09-29 | 2019-02-19 | 珠海格力电器股份有限公司 | Photovoltaic module support and photovoltaic module installation method |
CN117515930A (en) * | 2024-01-04 | 2024-02-06 | 山西一建集团有限公司 | Angle-adjustable solar heat collector bracket |
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JP2003008046A (en) * | 2001-06-22 | 2003-01-10 | Nissin Electric Co Ltd | Solar battery array supporting apparatus |
CN102867867A (en) * | 2012-09-25 | 2013-01-09 | 吴连祥 | Support system for installing solar photovoltaic panel component |
US20140042286A1 (en) * | 2012-08-08 | 2014-02-13 | Thomas & Betts International, Inc. | Universal panel clamp |
CN206077308U (en) * | 2016-08-30 | 2017-04-05 | 天津中汇能科技有限公司 | A kind of photovoltaic bracket system |
CN206077294U (en) * | 2016-08-26 | 2017-04-05 | 湖南星珂绿色能源科技有限公司 | A kind of triangle roof photovoltaic panel installing support |
CN206135792U (en) * | 2016-09-26 | 2017-04-26 | 中国华电科工集团有限公司 | Fixed adjustable angle photovoltaic support |
-
2017
- 2017-12-07 CN CN201711284622.1A patent/CN108054983A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003008046A (en) * | 2001-06-22 | 2003-01-10 | Nissin Electric Co Ltd | Solar battery array supporting apparatus |
US20140042286A1 (en) * | 2012-08-08 | 2014-02-13 | Thomas & Betts International, Inc. | Universal panel clamp |
CN102867867A (en) * | 2012-09-25 | 2013-01-09 | 吴连祥 | Support system for installing solar photovoltaic panel component |
CN206077294U (en) * | 2016-08-26 | 2017-04-05 | 湖南星珂绿色能源科技有限公司 | A kind of triangle roof photovoltaic panel installing support |
CN206077308U (en) * | 2016-08-30 | 2017-04-05 | 天津中汇能科技有限公司 | A kind of photovoltaic bracket system |
CN206135792U (en) * | 2016-09-26 | 2017-04-26 | 中国华电科工集团有限公司 | Fixed adjustable angle photovoltaic support |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109361340A (en) * | 2018-09-29 | 2019-02-19 | 珠海格力电器股份有限公司 | Photovoltaic module support and photovoltaic module installation method |
CN117515930A (en) * | 2024-01-04 | 2024-02-06 | 山西一建集团有限公司 | Angle-adjustable solar heat collector bracket |
CN117515930B (en) * | 2024-01-04 | 2024-04-19 | 山西一建集团有限公司 | Angle-adjustable solar heat collector bracket |
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Application publication date: 20180518 |