CN108365800B - Inhaul cable pre-pressing photovoltaic bracket - Google Patents
Inhaul cable pre-pressing photovoltaic bracket Download PDFInfo
- Publication number
- CN108365800B CN108365800B CN201810231042.4A CN201810231042A CN108365800B CN 108365800 B CN108365800 B CN 108365800B CN 201810231042 A CN201810231042 A CN 201810231042A CN 108365800 B CN108365800 B CN 108365800B
- Authority
- CN
- China
- Prior art keywords
- cable
- longitudinal
- transverse
- photovoltaic bracket
- photovoltaic module
- 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.)
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- 238000003825 pressing Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004064 recycling Methods 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
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a guy cable pre-pressing photovoltaic bracket, which comprises a longitudinal beam and/or a transverse beam used for paving a photovoltaic module, and further comprises a guy cable pre-pressing device which is arranged above the longitudinal beam and/or the transverse beam and used for fixing the photovoltaic module, wherein the guy cable pre-pressing device comprises a transverse cable, a longitudinal cable and a supporting rod, the transverse cable and the longitudinal cable are in a cross net shape and cover above the photovoltaic module, and two ends of the transverse cable and the longitudinal cable are provided with tightening adjusting devices; the bottom of the stay bar is hinged on the cross beam or the longitudinal beam, and the top of the stay bar is connected with the transverse cable or the longitudinal cable. The invention has the advantages that: the photovoltaic module is stable under the action of wind load on the premise of not damaging the roof and the waterproof layer of the original building and not influencing normal production work, and has the characteristics of light dead weight of the rod piece, large adaptation span, high structural efficiency, simple and convenient construction, repeated assembly and disassembly use and the like; the method can be applied to the installation of photovoltaic modules on various building roofs, and is not limited by roof plate materials and forms.
Description
Technical Field
The invention relates to a photovoltaic bracket, in particular to a guy cable pre-photovoltaic bracket.
Background
Distributed photovoltaic power generation is a green energy source which is used spontaneously and is connected with the internet on the user side in a grid-connected mode and is used for surplus electricity, the distributed photovoltaic power generation is more and more widely applied in recent years, and one of the problems faced by large-area installation of photovoltaic modules is how to ensure the overall stability of the photovoltaic modules under the action of negative wind pressure. The existing photovoltaic support system generally adopts a special clamping piece to connect the support with the roof, and then the photovoltaic module is installed on the longitudinal beam, so that a harsher requirement is put on the appearance of the roof board, and the photovoltaic support system is generally in buckling or vertical snap-in connection. In many cases, the roof is not connected by using a clamp, for example, the roof is connected by bolts with a trapezoid cross section, glazed tiles or cement tile, and in the face of the situation, only a drilling, welding or gluing mode can be adopted, obviously, the damage to the original roof is larger, the outstanding problems of poor waterproof or durability, complex construction process, high cost and the like exist, and the development and the application of the roof distributed photovoltaic are restricted to a certain extent; in addition, the traditional ground rigid support is all weighted by using concrete blocks, and the support is fixed on the ground.
Disclosure of Invention
The invention aims to: the invention aims to provide a guy cable pre-pressing photovoltaic bracket which does not damage the original building roof and ensures reliable connection between a photovoltaic module bracket and the roof.
The technical scheme is as follows: the cable pre-pressing photovoltaic bracket comprises a longitudinal beam and/or a cross beam for paving a photovoltaic module, and further comprises a cable pre-pressing device which is arranged above the longitudinal beam and/or the cross beam and is used for fixing the photovoltaic module, wherein the cable pre-pressing device comprises a transverse cable, a longitudinal cable and a supporting rod, the transverse cable and the longitudinal cable are in a cross net shape and cover above the photovoltaic module, and two ends of the transverse cable and the longitudinal cable are provided with tightening adjusting devices; the bottom of the stay bar is movably connected to the cross beam or the longitudinal beam, and the top of the stay bar is connected with the transverse cable or the longitudinal cable.
The transverse and/or longitudinal cables are parabolic.
In order to ensure that the guy cable prepressing device is more stable, the crossing position of the transverse cable and the longitudinal cable is fixed on the node plate through a cable buckle, and the node plate is connected with the stay bar; preferably, the node plate is provided with a through hole for fixing the cable buckle, wherein the node plate is a steel plate with a certain thickness, the steel plate is provided with holes for fixing the cable buckle, the bottom of the node plate is hinged with the top of the supporting rod, or the bottom of the node plate is fixedly connected with the top of the supporting rod.
The transverse cable and the longitudinal cable can adopt one or more of corrosion-resistant galvanized steel wire ropes, stainless steel wire ropes, steel stranded wires, steel wire bundles and steel pull rods.
Preferably, the adjusting device may be a stud or an adjusting sleeve.
The beneficial effects are that: compared with the prior art, the invention has the advantages that: the photovoltaic module is stable under the action of wind load on the premise of not damaging the waterproof layer of the original building and not influencing normal production work, has the characteristics of light dead weight of the rod piece, large adaptation span, high structural efficiency and the like, can effectively save steel materials, improves the construction speed, has high field assembly degree, does not need large-scale mechanical auxiliary construction, can realize the recycling of components, and belongs to a green building; the method can be applied to the connection of various roof boards and photovoltaic modules, and is not limited by roof board materials and forms.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of a frame of the present invention;
FIG. 4 is a schematic diagram of a cable preloading device connected with a roof panel;
fig. 5 is a schematic view of the crossing location of the transverse and longitudinal cords.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a guy cable pre-pressing photovoltaic bracket comprises a grid-shaped roof bracket device positioned at the lower part and a guy cable pre-pressing device positioned at the upper part, wherein the grid-shaped roof bracket device comprises a support 8 matched with a roof form, a longitudinal beam 6 and a transverse beam 3, the support 8 is connected with the longitudinal beam 6 through bolts, the longitudinal beam 6 and the transverse beam 3 are vertically and horizontally arranged in an orthogonal mode, the transverse beam 3 is laid on the longitudinal beam 6, a clamp is arranged on the longitudinal beam 6, the clamp is connected with the longitudinal beam 6 through bolts, one end of the clamp clamps the transverse beam 3, the other end clamps a photovoltaic assembly 5, the support 8 is suitable for different roof board materials and shapes, can be manufactured into a support form attached to the roof board 7, and the contact surface of the support 8 and the roof board 7 can be processed to increase friction force.
The guy cable prepressing device comprises a transverse cable 1, a stay bar 2 and a longitudinal cable 4, wherein the transverse cable 1 is one or more of a corrosion-resistant galvanized steel wire rope, a corrosion-resistant stainless steel wire rope, a steel stranded wire or a steel pull rod, and the longitudinal cable 4 is one or more of a corrosion-resistant galvanized steel wire rope, a corrosion-resistant stainless steel wire rope, a steel stranded wire, a steel wire bundle and a steel pull rod; the transverse cable 1 and the longitudinal cable 4 are in cross arrangement, the bottom of the supporting rod 2 is movably connected with the cross beam 3, the top of the supporting rod 2 is connected with the transverse cable 1, the connection mode can be fixed connection or movable connection, the purpose of the invention can be achieved as long as the top of the supporting rod 2 can provide counter pressure after being connected with the transverse cable, wherein the fixed connection can be in a welding mode, a bolt connection mode and the like, the movable connection can be in a hinging mode and the like, in order to better stabilize the cable pre-pressing device, the cross position of the transverse cable and the longitudinal cable is fixed on a node plate through a cable buckle 9, the node plate is connected with the top of the supporting rod 2, the cable buckle 9 can be a wire rope buckle, as shown in fig. 5, the cross position of the transverse cable 1 and the longitudinal cable 4 is arranged on the node plate, the transverse cable 1 and the longitudinal cable 4 can be fixed through the wire rope buckle, and the transverse cable 1 and the longitudinal cable 4 can be fixed through two pairs of wire rope buckles respectively, and various fixing methods can be adopted; the bottom of the gusset plate is connected with the top of the supporting rod 2, wherein the gusset plate can be movably connected or fixedly connected, the fixedly connected can be welded, bolted and the like, and the movably connected can be hinged and the like; the end part of the transverse cable 1 is connected with a cross beam at the edge of the photovoltaic bracket through an adjusting device for adjusting the pretension of the cable, and the end part of the longitudinal cable 4 is connected with a longitudinal beam at the edge of the photovoltaic bracket through an adjusting device for adjusting the pretension of the cable, wherein the adjusting device is a basket bolt or an adjusting sleeve.
Working principle: after the guy cable pre-tension photovoltaic bracket is installed, the tightening and adjusting device is operated to apply pre-tension to the transverse cable 1, and then the supporting rod 2 provides counter pressure to the cross beam 3 arranged on the roof board to force the support 8 to be clung to the roof board 7, wherein the transverse cable is a main stress cable, and after the pre-tension is applied, the supporting rod is made to be an elastic support with axial pressure, and pre-compression vertical to the roof is generated to the cross beam and/or the longitudinal beam; and then, the tightening adjusting devices at the two ends of the longitudinal ropes are operated, so that the transverse ropes and the longitudinal ropes are covered above the photovoltaic module more firmly in a cross net shape, and are not separated from the roof board under the action of wind load, and the integral stability of the photovoltaic module is ensured.
The invention relates to an installation method of a guy cable pre-pressing photovoltaic bracket, which comprises the following steps:
(1) The installation position of the support is determined on the roof through lofting, the support and the longitudinal beam are assembled through accessories, and the transverse beam is laid at the corresponding position of the transverse cable so as to ensure the structure to be stable, and no relative sliding exists between the longitudinal beam and the roof board;
(2) The cross beam or the longitudinal beam is provided with a supporting rod through a fitting;
(3) Placing a transverse cable and a longitudinal cable through a winch, connecting the transverse cable and a stay bar at a position marked in advance, and pre-tightening;
(4) Placing a longitudinal cable, connecting the longitudinal cable with a stay bar when adopting a cable buckle, and pre-tightening;
(5) After the transverse cable is pulled by the winch and is reliably connected with the original main body stress structure, pretension is applied by the adjusting device, if the cable force is not large, pretension can be directly applied by tightening the end basket bolts, and if the cable force is large, the cable force can be tensioned by using a chain block or a small jack.
Claims (8)
1. The cable pre-pressing photovoltaic bracket comprises a longitudinal beam and/or a cross beam for paving a photovoltaic module, and is characterized by further comprising a support (8) matched with a roof form, wherein the cable pre-pressing device is arranged above the longitudinal beam and/or the cross beam and is used for fixing the photovoltaic module, the cable pre-pressing device comprises a transverse cable (1), a longitudinal cable (4) and a supporting rod (2), the transverse cable (1) and the longitudinal cable (4) are in a cross net shape and cover above the photovoltaic module, the bottom of the supporting rod (2) is movably connected to the cross beam or the longitudinal beam, and the top of the supporting rod (2) is connected with the transverse cable (1) or the longitudinal cable (4); the two ends of the transverse cable (1) and the longitudinal cable (4) are provided with tightening adjusting devices, the tightening adjusting devices apply pretension to the transverse cable (1) or the longitudinal cable (4), and the supporting rods (2) provide counter pressure to the cross beams or the longitudinal beams arranged on the roof board (7) so as to force the supporting seats (8) to be clung to the roof board (7).
2. The cable pre-tension photovoltaic bracket of claim 1, wherein: the transverse cable (1) and/or the longitudinal cable (4) are parabolic.
3. The cable pre-tension photovoltaic bracket of claim 1, wherein: the crossing position of the transverse cable (1) and the longitudinal cable (4) is fixed on the node plate through a cable buckle, and the node plate is connected with the stay bar (2).
4. A cable pre-tension photovoltaic bracket according to claim 3, characterized in that: the gusset plate is provided with a hole for fixing the cable buckle.
5. A cable pre-tension photovoltaic bracket according to claim 3, characterized in that: the bottom of the gusset plate is hinged with the top of the stay bar (2).
6. A cable pre-tension photovoltaic bracket according to claim 3, characterized in that: the bottom of the gusset plate is fixedly connected with the top of the stay bar (2).
7. The cable pre-tension photovoltaic bracket of claim 1, wherein: the transverse cable (1) and the longitudinal cable (4) are one or more of corrosion-resistant galvanized steel wire ropes, stainless steel wire ropes, steel stranded wires, steel wire bundles and steel pull rods.
8. The cable pre-tension photovoltaic bracket of claim 1, wherein: the adjusting device is a basket bolt or an adjusting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231042.4A CN108365800B (en) | 2018-03-20 | 2018-03-20 | Inhaul cable pre-pressing photovoltaic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231042.4A CN108365800B (en) | 2018-03-20 | 2018-03-20 | Inhaul cable pre-pressing photovoltaic bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108365800A CN108365800A (en) | 2018-08-03 |
| CN108365800B true CN108365800B (en) | 2024-04-09 |
Family
ID=63000722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810231042.4A Active CN108365800B (en) | 2018-03-20 | 2018-03-20 | Inhaul cable pre-pressing photovoltaic bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108365800B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763649A (en) * | 2018-11-29 | 2019-05-17 | 山东海慧新能源科技有限公司 | A kind of installation method of low cost photovoltaic module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2003406A2 (en) * | 2007-06-15 | 2008-12-17 | Phoenix Solar Aktiengesellschaft | Carrier assembly for a solar array, solar array with a number of solar modules and solar module for this purpose |
| 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 |
| CN206349961U (en) * | 2016-12-22 | 2017-07-21 | 杭州钱唐电力工程有限公司 | Fixed rope bar mounting system for installation photovoltaic component |
| CN208028814U (en) * | 2018-03-20 | 2018-10-30 | 东南大学 | Drag-line precompressed photovoltaic bracket |
-
2018
- 2018-03-20 CN CN201810231042.4A patent/CN108365800B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2003406A2 (en) * | 2007-06-15 | 2008-12-17 | Phoenix Solar Aktiengesellschaft | Carrier assembly for a solar array, solar array with a number of solar modules and solar module for this purpose |
| 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 |
| CN206349961U (en) * | 2016-12-22 | 2017-07-21 | 杭州钱唐电力工程有限公司 | Fixed rope bar mounting system for installation photovoltaic component |
| CN208028814U (en) * | 2018-03-20 | 2018-10-30 | 东南大学 | Drag-line precompressed photovoltaic bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108365800A (en) | 2018-08-03 |
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