CN113922740B - Flexible photovoltaic bracket using parapet wall of flat roof as support and mounting method thereof - Google Patents
Flexible photovoltaic bracket using parapet wall of flat roof as support and mounting method thereof Download PDFInfo
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- CN113922740B CN113922740B CN202111119373.7A CN202111119373A CN113922740B CN 113922740 B CN113922740 B CN 113922740B CN 202111119373 A CN202111119373 A CN 202111119373A CN 113922740 B CN113922740 B CN 113922740B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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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
- H02S20/20—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
- H02S20/24—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures specially adapted for flat roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/50—Arrangement of stationary mountings or supports for solar heat collector modules comprising elongate non-rigid elements, e.g. straps, wires or ropes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/65—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent supporting elements, e.g. for connecting profiles together
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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
- 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]
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a flexible photovoltaic bracket using a parapet wall of a flat roof as a support and an installation method thereof. The flexible photovoltaic bracket comprises a parapet wall of an original enclosure structure of a flat roof, one group or two groups or more than two groups of flexible brackets arranged between two opposite parapet walls and bracket mounting assemblies symmetrically arranged at two ends of each group of flexible brackets; the flexible support comprises at least two support steel wire ropes for installing the photovoltaic module; the bracket mounting assembly comprises a U-shaped structural plate clamp, a basket nut and a plurality of wall protection spring posts. The utility model adopts a detachable U-shaped structural plate clamp, the U-shaped structural plate clamp is fixed on a parapet wall through an inner wall structural fastener, then a bracket steel wire rope is oppositely pulled through basket nuts at two sides, and a photovoltaic module is fixed on the oppositely pulled bracket steel wire rope. The utility model utilizes the original parapet wall of the building enclosure structure, reduces the shadow shielding problem caused by overhigh parapet wall and is convenient to assemble and disassemble.
Description
Technical Field
The utility model belongs to the technical field of photovoltaic supports, and particularly relates to a flat roof detachable flexible photovoltaic support using an original building envelope parapet wall as a support and an installation method thereof.
Background
With the increasing prominence of global climate and environmental problems, the world has increased the application of renewable energy sources, china proposes 30.60 targets, and strives for realizing 'carbon peak and carbon neutralization' early. Photovoltaic has become the dominant force of new energy, is an important way to realize the "two carbon" goal, and centralized and distributed photovoltaic all come into the spring, and especially distributed photovoltaic has developed rapidly in recent years, and many residents and owners of industrial and commercial plants are actively installing distributed photovoltaic power generation systems. However, there are some problems that for some flat roofs with parapet walls, a bracket lifting mode has to be adopted to reduce the influence of shadow shielding after the sun irradiates the parapet wall. However, this approach increases the amount of stent material used and increases the investment costs. And for industrial and commercial roofs with higher parapet walls, the area of mountable photovoltaic modules is also greatly reduced.
In addition, most of the existing photovoltaic module supports are formed by machining steel sections or steel plates, the installation structure of the photovoltaic module supports is large in occupied space, large in steel consumption, high in cost and troublesome to install, and especially for special installation sites such as roofs, installation difficulty is greatly increased.
Disclosure of Invention
Aiming at a series of problems of shadow shielding, increased cost materials and reduced installation area of a flat roof with parapet walls, the utility model provides a detachable flexible photovoltaic bracket for the flat roof and an installation method thereof. The support utilizes the parapet wall of the original building envelope structure as a support frame and the photovoltaic support steel wire rope as a photovoltaic assembly mounting frame, so that the use amount of support materials can be greatly reduced, the investment cost is reduced, the shadow shielding area caused by the parapet wall can be reduced, and the assembly and disassembly are convenient.
In order to achieve the technical purpose: the utility model provides a flexible photovoltaic bracket using a parapet wall of a flat roof as a support, which is characterized in that: the flexible photovoltaic bracket comprises a parapet wall of an original enclosure structure of a flat roof, one group or two groups or more than two groups of flexible brackets arranged between two opposite parapet walls and bracket mounting assemblies symmetrically arranged at two ends of each group of flexible brackets; the flexible support comprises at least two support steel wire ropes for installing the photovoltaic module; the bracket mounting assembly comprises a U-shaped structural plate clamp, a flower basket nut and a plurality of wall protection spring columns, wherein the U-shaped structural plate clamp is inversely clamped at the top of the parapet wall, the plurality of wall protection spring columns are dispersedly arranged between a first parallel arm of the U-shaped structural plate clamp and one side wall surface of the parapet wall, and a second parallel arm of the U-shaped structural plate clamp is fixed with the other side wall surface of the parapet wall through a plurality of structural fasteners; a plurality of flower basket nut connecting pieces are pre-buried at one side of the U-shaped structural plate clamp, which is close to the flexible support, the end part of each steel wire rope support is connected with a flower basket nut, and each flower basket nut is fixedly connected with the flower basket nut connecting piece through a plurality of steel wires; the flexible support is tensioned through the two side basket nuts in opposite pulling mode, a middle support column is arranged in the middle of the area, located between the two parapet walls, of the flexible support, and when two or more than two groups of flexible supports are arranged, the U-shaped structural plate clamp on the same side of the two or more than two groups of flexible supports is of an integrated or split type structure.
The utility model has the preferable technical scheme that: the U-shaped structural plate clamp is of an integrated forming structure, and the clamping space between two parallel arms of the U-shaped structural plate clamp is 1/2 of the height of the parapet; the plurality of wall protection spring posts are fixed between the first parallel arm of the U-shaped structural plate clamp and the outer wall surface of the parapet wall far away from the flexible support, the plurality of structural fasteners and the plurality of flower basket nut connecting pieces are fixed on the inner side of the U-shaped structural plate clamp close to the flexible support, and the plurality of flower basket nut connecting pieces are distributed on the part close to the sealing surface of the U-shaped structural plate clamp; the flexible support comprises two support steel wire ropes, and the width of the two steel wire ropes is matched with the length or the width of the photovoltaic module.
The utility model has the preferable technical scheme that: the wall surface protection spring column comprises a high-elasticity spring, a column body with an enlarged head at one end, a first corrugated rubber pad arranged on the end face of the enlarged head of the column body, and a preset telescopic sleeve fixed on the inner side of a first horizontal arm of the U-shaped structural plate clamp; one end of the cylinder, which is not provided with the expansion head, is embedded in the telescopic sleeve and can stretch in the telescopic sleeve, the high-elasticity spring is sleeved outside the telescopic sleeve and the cylinder, and one end of the high-elasticity spring is fixedly connected with the expansion head of the cylinder; the plurality of wall protection spring posts are equidistantly distributed on the first horizontal arm of the U-shaped structural plate clamp, and when the U-shaped structural plate clamp is inversely clamped at the top of the parapet wall, the corrugated rubber pad at the end part of the enlarged head of each wall protection spring post is in close contact with the wall surface of the parapet wall.
The utility model has the preferable technical scheme that: the structure fastener comprises a fastening bolt and a fastening column body with an enlarged head at one end, a second corrugated rubber pad is arranged on the end face of the enlarged head of the fastening column body, a threaded sleeve matched with the fastening bolt is arranged at the end part of the fastening column body, which is not provided with the enlarged head, and a plurality of bolt holes are correspondingly formed in a second horizontal arm of the U-shaped structure plate clamp; the screw thread sleeve of fastening cylinder inlays to be established at the medial surface that U type structural slab anchor clamps second horizontal arm is close to the parapet, and every screw thread sleeve corresponds with one of them bolt hole, and fastening bolt passes the bolt hole from the outside that second horizontal arm kept away from the parapet and inserts in the screw thread sleeve that corresponds to when U type structural slab anchor clamps inversion card is established at the parapet top, makes the second ripple rubber pad of fastening cylinder expansion terminal surface and parapet's wall in close contact with through screwing fastening bolt.
The utility model has the preferable technical scheme that: the middle support column comprises a main support column, a steel wire rope sleeve arranged at the top of the main support column and a plurality of auxiliary support columns symmetrically arranged at the lower part of the main support column, and support column corrugated rubber pads are arranged at the bottoms of the main support column and the auxiliary support columns; each support wire rope of the flexible support passes through the wire rope sleeve.
The utility model has the preferable technical scheme that: the parapet wall has the thickness of a, the length of the wall surface protection spring column is b, the length of the structure fastening column is c, and the distance between the first horizontal arm and the second horizontal arm of the U-shaped structure plate clamp is (a+b+c+10) mm.
The utility model has the preferable technical scheme that: the flower basket nut connecting pieces are embedded pieces provided with through holes, the flower basket nut connecting pieces are distributed at equal intervals, and each steel wire rope penetrates through the through holes of the embedded pieces and is fixedly connected with the flower basket nut.
The utility model has the preferable technical scheme that: the U-shaped structure plate clamp comprises a first horizontal arm, a second horizontal arm and a transverse plate connecting the two horizontal arms; the length of the photovoltaic module to be installed is m, and the length of a transverse plate of the U-shaped structural plate clamp of the single-group bracket installation module is n, wherein n is larger than m; each group of flexible support comprises two support steel wire ropes, the distance between the two support steel wire ropes is smaller than m, and the photovoltaic module is tiled on the two support steel wire ropes and fixedly connected with the two support steel wire ropes.
The utility model also provides a mounting method of the flexible photovoltaic bracket using the parapet wall of the flat roof as a support, which is characterized by comprising the following steps of:
(1) Firstly, respectively installing a U-shaped structural plate clamp on the tops of two opposite parapet walls, sleeving the U-shaped structural plate clamp on the tops of the parapet walls, and tightening a structural fastener to fixedly lock one horizontal arm of the U-shaped structural plate with one side wall surface of the parapet wall, wherein a plurality of wall surface protection spring columns on the inner side of the other horizontal arm are tightly attached to the other side wall surface of the parapet wall;
(2) The basket nuts of the U-shaped structural plate clamps on the two sides are connected through steel wires, two basket nuts are installed on each U-shaped structural plate clamp on the two sides, the basket nuts on the U-shaped structural plate clamps on the two sides are correspondingly arranged, and the distance between the two basket nuts on the same side is smaller than the width or the length of the photovoltaic module to be installed; the steel wire rope passes through the perforation on the basket nut connecting piece, simultaneously the basket nut is penetrated, then the steel wire rope is bundled and fixed, and each basket nut connecting piece is connected with one steel wire rope;
(3) The flexible support is connected with the flexible support, the flexible support comprises two support steel wire ropes, each support steel wire rope corresponds to a group of basket nuts, one end of each steel wire rope support is connected with one basket nut, and the other end of each steel wire rope support is connected with the basket nut on the other side after passing through a steel wire rope sleeve on the middle support; and installing the middle support column at a flat position on the roof plate, screwing two basket nuts at the end part of each support steel wire rope, and straightening and tightening the support steel wire ropes.
Compared with the prior art, the utility model has the remarkable advantages that:
(1) The utility model uses the parapet wall of the original building enclosure structure as the supporting frame, thereby greatly reducing the using amount of the supporting frame material, reducing the investment cost and reducing the shadow shielding problem caused by overhigh parapet wall;
(2) The photovoltaic bracket adopts the steel wire rope, so that the material cost is greatly reduced, and the photovoltaic bracket is convenient to assemble and disassemble;
(3) The detachable U-shaped structural plate clamp is adopted, and is fixed on the parapet through the inner wall structural fastener, so that the parapet can be detached at any time, the installation is convenient and flexible, the simplicity and the high efficiency are realized, the installation stability of the parapet can be ensured, and the corrugated rubber pad of the clamping fastener can protect the wall from being damaged;
(4) According to the utility model, the number of the middle struts is selected according to the distance between the parapet walls at two sides, so that the middle struts are reduced as much as possible on the premise of not bending due to the weight of the steel wire rope, and the material cost is reduced.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a detail view of the parapet wall portion after installation of the present utility model;
FIG. 4 is a detailed view of the construction of the wall protection spring post of the present utility model;
FIG. 5 is a detailed view of the construction of the structural fastener of the present utility model;
fig. 6 is a detail of the intermediate strut of the present utility model.
In the figure: 1-parapet wall; 2-roof; 3-U-shaped structural plate clamp, 300-first parallel arm, 301-second parallel arm, 302-transverse plate; 4-a basket nut; 5-a flexible stent; 6-middle support, 600-main support, 601-wire rope sleeve, 602-middle auxiliary support, 603-support corrugated rubber pad; 7-wall protection spring column, 700-high elasticity spring, 701-first ripple rubber pad, 702-telescopic sleeve, 703-column; 8-structural fasteners, 800-fastening bolts, 801-fastening columns, 802-threaded sleeves, 803-second corrugated rubber pads; 9-a basket nut connector; 10-a steel wire rope; 11-photovoltaic module.
Detailed Description
The utility model is further described below with reference to the drawings and examples. Fig. 1 to 5 are drawings of embodiments, which are drawn in a simplified manner, for the purpose of clearly and concisely illustrating embodiments of the present utility model. The following technical solutions presented in the drawings are specific to embodiments of the present utility model and are not intended to limit the scope of the claimed utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The embodiment provides a flexible photovoltaic bracket using a parapet of a flat roof as a support, as shown in fig. 1 and 2, the flexible photovoltaic bracket comprises an original enclosure parapet 1 of the flat roof 2, two groups of flexible brackets 5 arranged between the two groups of parapets 1, and bracket mounting assemblies symmetrically arranged at two ends of each group of flexible brackets 5; the flexible support 5 comprises two support steel wire ropes, the width of each support steel wire rope is smaller than the length of the photovoltaic module 11, and the photovoltaic module 11 is tiled on the two support steel wire ropes and fixedly connected with the two support steel wire ropes; the bracket mounting assembly comprises a U-shaped structural plate clamp 3, a flower basket nut 4 and a plurality of wall protection spring posts 7, wherein the U-shaped structural plate clamp 3 comprises a first horizontal arm 300, a second horizontal arm 301 and a transverse plate 302 for connecting the two horizontal arms, the U-shaped structural plate clamp 3 is of an integrated forming structure, and the clamping space of the U-shaped structural plate clamp 3 is 1/2 higher than that of the parapet wall 1; the length of the photovoltaic module 11 is m, and the length of the transverse plate of the U-shaped structural plate clamp 3 of the single-group bracket mounting assembly is n, so that n is larger than m. The parapet 1 has a thickness of a, the length of the wall protection spring column 7 is b, the length of the structure fastening column 8 is c, and the distance between the first horizontal arm 300 and the second horizontal arm 301 of the U-shaped structure plate clamp 3 is (a+b+c+10) mm.
In one embodiment, as shown in fig. 1 and 2, the U-shaped structural board fixture 3 is reversely clamped at the top of the parapet 1, the plurality of wall protection spring posts 7 are fixed between the first parallel arms 300 of the U-shaped structural board fixture 3 and the outer wall surface of the parapet 1 far away from the flexible support in an equidistant and dispersed manner, and the second parallel arms 301 of the U-shaped structural board fixture 3 are fixed with the other wall surface of the parapet 1 through a plurality of structural fasteners 8 distributed in equidistant manner. The novel plastic composite wire rope clamp is characterized in that a plurality of flower basket nut connecting pieces 9 are embedded on one side, close to the flexible support 5, of the U-shaped structural plate clamp 3, the flower basket nut connecting pieces 9 are embedded with holes, the flower basket nut connecting pieces 9 are distributed at equal intervals, the flower basket nuts 4 are connected to the end portions, close to the sealing surface of the U-shaped structural plate clamp 3, of each steel wire rope support, each flower basket nut 4 is fixedly connected with the flower basket nut connecting pieces 9 through a plurality of steel wire ropes 10, and each steel wire rope 10 penetrates through the holes of the embedded pieces and is fixedly connected with the flower basket nuts 4. The flexible support 5 is tightly pulled by the flower basket nuts 4 on two sides, and a middle support column 6 is arranged in the middle of the area, between the two parapet walls 1, of the flexible support 5, as shown in fig. 6, the middle support column 6 comprises a main support column 600, a steel wire rope sleeve 601 arranged at the top of the main support column 600 and a plurality of auxiliary support columns 602 symmetrically arranged at the lower part of the main support column 600, support column corrugated rubber pads 603 are arranged at the bottoms of the main support column 600 and the plurality of auxiliary support columns 602, damage to a roof plate is prevented, the middle main support column 600 is directly placed on the roof plate, and the auxiliary support columns 602 support the main support column 600 to provide partial supporting force. The stent wire needs to be passed through the wire rope sleeve 601 of the middle post 6 in advance at the time of connection.
The wall protection spring column 7 in the embodiment, as shown in fig. 4, comprises a high-elasticity spring 700, a column 703 with an enlarged head at one end, a first corrugated rubber pad 701 installed on the end face of the enlarged head of the column 703, and a preset telescopic sleeve 702 fixed on the inner side of a first horizontal arm 300 of the U-shaped structural plate clamp; one end of the column 703, which is not provided with an expansion head, is embedded in the telescopic sleeve 702 and can stretch in the telescopic sleeve 702, and the high-elasticity spring 700 is sleeved outside the telescopic sleeve 702 and the column 703, wherein one end of the high-elasticity spring is fixedly connected with the expansion head of the column 703; the plurality of wall protection spring posts 7 are equidistantly distributed on the first horizontal arm 300 of the U-shaped structural plate clamp 3, and when the U-shaped structural plate clamp 3 is reversely clamped at the top of the parapet 1, the corrugated rubber pad 701 at the enlarged head end part of each wall protection spring post 7 is tightly contacted with the wall surface of the parapet 1.
The structural fastener 8 in the embodiment, as shown in fig. 5, comprises a fastening bolt 800 and a fastening column 801 with an enlarged head at one end, wherein a second corrugated rubber pad 803 is arranged on the end face of the enlarged head of the fastening column 801, a threaded sleeve 802 matched with the fastening bolt 800 is arranged on the end part of the fastening column 801, which is not provided with the enlarged head, and a plurality of bolt holes are correspondingly formed on the second horizontal arm 301 of the U-shaped structural plate clamp 3; the screw sleeves 802 of the fastening columns 801 are embedded in the inner side surface, close to the parapet 1, of the second horizontal arm 301 of the U-shaped structural plate clamp 3, each screw sleeve 802 corresponds to one of the screw holes, the fastening bolts 800 penetrate through the screw holes from the outer side, far away from the parapet 1, of the second horizontal arm 301 to be inserted into the corresponding screw sleeves 802, and when the U-shaped structural plate clamp 3 is inversely clamped at the top of the parapet 1, the second corrugated rubber pads 803 of the enlarged end surfaces of the fastening columns 801 are tightly contacted with the wall surface of the parapet 1 by screwing the fastening bolts 800.
In one embodiment, the method for installing the flexible photovoltaic bracket by using the parapet wall of the flat roof as a support comprises the following steps:
(1) Firstly, sleeving a U-shaped structural plate clamp 3 on a parapet 1, then screwing fastening columns 801 at two ends through fastening bolts 800, adding a second corrugated rubber pad 803 before screwing, and fixing the U-shaped structural plate clamp 3 on the parapet 1 through screwing the structural fastening bolts 800; the plurality of wall surface protection spring posts 7 on the inner side of the other horizontal arm are clung to the wall surface on the other side of the parapet 1; specifically, the U-shaped structural plate fixture 3 is fixed on the parapet 1 by tightening the structural fasteners 8, the second corrugated rubber pad 803 is fixed at the end part of the enlarged head of the fastening column 801, the second corrugated rubber pad 803 protects the wall from damage, the fastening column 801 is sleeved on the U-shaped structural plate fixture 3 and then clamped on the parapet 1, the fastening bolt 800 is sleeved with a fastening bolt gasket and then placed into the bolt hole of the U-shaped structural plate fixture 3, the fastening bolt 800 is gradually tightened by a wrench until the fastening bolt cannot be screwed any more, and the U-shaped structural plate fixture 3 is firmly fixed on the parapet 1.
(2) The basket nuts 4 of the U-shaped structural plate clamps 3 on the two sides are connected through the steel wire ropes 10, two basket nuts 4 are installed on each U-shaped structural plate clamp 3 on the side, the basket nuts 4 on the U-shaped structural plate clamps 3 on the two sides are correspondingly arranged, and the distance between the two basket nuts 4 on the same side is smaller than the length of the photovoltaic module 11; the wire rope 10 passes through the perforation on the basket nut connecting piece 9, meanwhile, the basket nut 4 is penetrated, then the wire rope 10 is bundled and fixed, and each basket nut connecting piece 9 is connected with one wire rope 10;
(3) The flexible support 5 is connected, the flexible support comprises two support steel wire ropes, each support steel wire rope corresponds to one group of flower basket nuts 4, one end of each steel wire rope support is connected with one flower basket nut 4, and the other end of each steel wire rope support passes through the steel wire rope sleeve 601 on the middle support 6 and then is connected with the other flower basket nut 4; installing the middle support column 6 at a flat position on a roof plate, and tightening two basket nuts 4 at the end part of each support steel wire rope to straighten and tighten the support steel wire ropes; the number of the middle support posts 6 is selected according to the distance between parapet walls 1 at two sides, the middle support posts 6 are reduced as much as possible on the premise of ensuring that the bending is not caused by the weight of a steel wire rope, 5m is recommended to install a pair of middle support posts 6, and the material cost is reduced; the distance between parapet walls 1 on two sides is 10m, and a middle bracket 6 is required to be installed at 5 m; the stent wire needs to be passed through the wire rope sleeve 601 of the middle post 6 in advance at the time of connection.
The U-shaped structural panel clamp 3 in the embodiment is integrally formed in a factory process. Therefore, before machining, the thickness of the parapet 1 needs to be precisely measured, the thickness a of the parapet 1 is 240mm, the length b of the high-elasticity spring post 7 is 25mm, the length c of the structure fastening post 8 is 25mm, and the distance between the outer structural plate 3-1 and the inner structural plate 3-3 of the U-shaped structural plate clamp 3 is 300mm. The size of the photovoltaic module 11 of 540Wp installed in the embodiment is 2235 x 1133mm, the length of the photovoltaic module 11 is 2235mm, the length of the U-shaped structural plate clamp 3 is 2500mm, two support steel wire ropes are connected to each clamp, and the photovoltaic module 11 is flatly paved on the support steel wire ropes.
The foregoing description is of one embodiment of the utility model and is thus not to be taken as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (9)
1. A flexible photovoltaic bracket using a parapet of a flat roof as a support is characterized in that: the flexible photovoltaic bracket comprises an original enclosure structure parapet (1) of a flat roof (2), one group or two groups or more than two groups of flexible brackets (5) arranged between the two groups of parapet walls (1) and bracket mounting assemblies symmetrically arranged at two ends of each group of flexible brackets (5); the flexible support (5) comprises at least two support steel wire ropes for mounting the photovoltaic module (11); the bracket mounting assembly comprises a U-shaped structural plate clamp (3), a flower basket nut (4) and a plurality of wall protection spring posts (7), wherein the U-shaped structural plate clamp (3) is inversely clamped at the top of the parapet (1), the plurality of wall protection spring posts (7) are arranged between a first parallel arm (300) of the U-shaped structural plate clamp (3) and one side wall surface of the parapet (1) in a scattered manner, and a second parallel arm (301) of the U-shaped structural plate clamp (3) is fixed with the other side wall surface of the parapet (1) through a plurality of structural fasteners (8); a plurality of flower basket nut connecting pieces (9) are pre-buried at one side of the U-shaped structural plate clamp (3) adjacent to the flexible support (5), the end part of each steel wire rope support is connected with a flower basket nut (4), and each flower basket nut (4) is fixedly connected with the flower basket nut connecting piece (9) through a plurality of steel wires (10); the flexible support (5) is tensioned through the flower basket nuts (4) on two sides, a middle support column (6) is arranged in the middle of the area between the two parapet walls (1) of the flexible support (5), and when two groups or more than two groups of flexible support (5) are arranged, the U-shaped structural plate clamp (3) on the same side of the two groups or more than two groups of flexible support (5) is of an integral or split structure.
2. A flexible photovoltaic bracket for supporting a parapet wall on a flat roof as claimed in claim 1, wherein: the U-shaped structural plate clamp (3) is of an integrated forming structure, and the clamping space between two parallel arms of the U-shaped structural plate clamp (3) is 1/2 of the height of the parapet wall (1); the plurality of wall protection spring posts (7) are fixed between a first parallel arm (300) of the U-shaped structural plate clamp (3) and the outer wall surface of the parapet (1) far away from the flexible support, the plurality of structural fasteners (8) and the plurality of flower basket nut connecting pieces (9) are fixed on the inner side, close to the flexible support, of the U-shaped structural plate clamp (3), and the plurality of flower basket nut connecting pieces (9) are distributed on the part, close to the sealing surface of the U-shaped structural plate clamp (3); the flexible support (5) comprises two support steel wire ropes, and the width of the two steel wire ropes is matched with the length or the width of the photovoltaic module (11).
3. A flexible photovoltaic bracket for supporting a parapet wall using a flat roof as claimed in claim 1 or 2, wherein: the wall surface protection spring column (7) comprises a high-elasticity spring (700), a column body (703) with an enlarged head at one end, a first corrugated rubber pad (701) arranged on the end face of the enlarged head of the column body (703) and a preset telescopic sleeve (702) fixed on the inner side of a first horizontal arm (300) of the U-shaped structural plate clamp; one end of the column body (703) which is not provided with an expansion head is embedded in the telescopic sleeve (702) and can stretch out and draw back in the telescopic sleeve (702), the high-elasticity spring (700) is sleeved outside the telescopic sleeve (702) and the column body (703), and one end of the high-elasticity spring is fixedly connected with the expansion head of the column body (703); the wall protection spring posts (7) are equidistantly distributed on the first horizontal arm (300) of the U-shaped structural plate clamp (3), and when the U-shaped structural plate clamp (3) is inversely clamped at the top of the parapet (1), the corrugated rubber pad (701) at the end part of the enlarged head of each wall protection spring post (7) is tightly contacted with the wall surface of the parapet (1).
4. A flexible photovoltaic bracket for supporting a parapet wall using a flat roof as claimed in claim 1 or 2, wherein: the structure fastener (8) comprises a fastening bolt (800) and a fastening column body (801) with an enlarged head at one end, a second corrugated rubber pad (803) is arranged on the end face of the enlarged head of the fastening column body (801), a threaded sleeve (802) matched with the fastening bolt (800) is arranged at the end part of the fastening column body (801) where the enlarged head is not arranged, and a plurality of bolt holes are correspondingly formed in a second horizontal arm (301) of the U-shaped structure plate clamp (3); the screw sleeves (802) of the fastening columns (801) are embedded in the inner side faces, close to the parapet (1), of the second horizontal arms (301) of the U-shaped structural plate clamp (3), each screw sleeve (802) corresponds to one screw hole, the fastening bolts (800) penetrate through the screw holes from the outer sides, far away from the parapet (1), of the second horizontal arms (301) to be inserted into the corresponding screw sleeves (802), and when the U-shaped structural plate clamp (3) is inversely clamped at the top of the parapet (1), the second corrugated rubber pads (803) of the enlarged end faces of the fastening columns (801) are tightly contacted with the wall faces of the parapet (1) through screwing the fastening bolts (800).
5. A flexible photovoltaic bracket for supporting a parapet wall using a flat roof as claimed in claim 1 or 2, wherein: the middle support column (6) comprises a main support column (600), a steel wire rope sleeve (601) arranged at the top of the main support column (600) and a plurality of auxiliary support columns (602) symmetrically arranged at the lower part of the main support column (600), wherein support column corrugated rubber pads (603) are respectively arranged at the bottoms of the main support column (600) and the plurality of auxiliary support columns (602); each support wire rope of the flexible support (5) passes through a wire rope sleeve (601).
6. A flexible photovoltaic bracket for supporting a parapet wall using a flat roof as claimed in claim 1 or 2, wherein: the parapet wall (1) is a in thickness, the length of the wall surface protection spring column (7) is b, the length of the structure fastening column (8) is c, and the distance between the first horizontal arm (300) and the second horizontal arm (301) of the U-shaped structure plate clamp (3) is (a+b+c+10) mm.
7. A flexible photovoltaic bracket for supporting a parapet wall using a flat roof as claimed in claim 1 or 2, wherein: the flower basket nut connecting pieces (9) are embedded pieces with holes, the flower basket nut connecting pieces (9) are distributed at equal intervals, and each steel wire rope (10) penetrates through the holes of the embedded pieces to be fixedly connected with the flower basket nuts (4).
8. A flexible photovoltaic bracket for supporting a parapet wall on a flat roof as claimed in claim 2, wherein: the U-shaped structural plate clamp (3) comprises a first horizontal arm (300), a second horizontal arm (301) and a transverse plate (302) connecting the two horizontal arms; the length of the photovoltaic module (11) to be installed is m, and the length of a transverse plate (302) of the U-shaped structural plate clamp (3) of the single-group bracket installation module is n, wherein n is larger than m; each group of flexible supports (5) comprises two support steel wire ropes, the distance between the two support steel wire ropes is smaller than m, and the photovoltaic component (11) is tiled on the two support steel wire ropes and fixedly connected with the two support steel wire ropes.
9. A method of installing a flexible photovoltaic support using a flat roof parapet as a support, comprising the steps of:
(1) Firstly, respectively installing a U-shaped structural plate clamp on the tops of two opposite parapet walls, sleeving the U-shaped structural plate clamp on the tops of the parapet walls, and tightening a structural fastener to fixedly lock one horizontal arm of the U-shaped structural plate with one side wall surface of the parapet wall, wherein a plurality of wall surface protection spring columns on the inner side of the other horizontal arm are tightly attached to the other side wall surface of the parapet wall;
(2) The basket nuts of the U-shaped structural plate clamps on the two sides are connected through steel wires, two basket nuts are installed on each U-shaped structural plate clamp on the two sides, the basket nuts on the U-shaped structural plate clamps on the two sides are correspondingly arranged, and the distance between the two basket nuts on the same side is smaller than the width or the length of the photovoltaic module to be installed; the steel wire rope passes through the perforation on the basket nut connecting piece, simultaneously the basket nut is penetrated, then the steel wire rope is bundled and fixed, and each basket nut connecting piece is connected with one steel wire rope;
(3) The flexible support is connected with the flexible support, the flexible support comprises two support steel wire ropes, each support steel wire rope corresponds to a group of basket nuts, one end of each steel wire rope support is connected with one basket nut, and the other end of each steel wire rope support is connected with the basket nut on the other side after passing through a steel wire rope sleeve on the middle support; and installing the middle support column at a flat position on the roof plate, screwing two basket nuts at the end part of each support steel wire rope, and straightening and tightening the support steel wire ropes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119373.7A CN113922740B (en) | 2021-09-24 | 2021-09-24 | Flexible photovoltaic bracket using parapet wall of flat roof as support and mounting method thereof |
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| CN202111119373.7A CN113922740B (en) | 2021-09-24 | 2021-09-24 | Flexible photovoltaic bracket using parapet wall of flat roof as support and mounting method thereof |
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| CN113922740A CN113922740A (en) | 2022-01-11 |
| CN113922740B true CN113922740B (en) | 2023-06-02 |
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| CN202111119373.7A Active CN113922740B (en) | 2021-09-24 | 2021-09-24 | Flexible photovoltaic bracket using parapet wall of flat roof as support and mounting method thereof |
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| CN119878757B (en) * | 2025-03-31 | 2025-07-22 | 中联西北工程设计研究院有限公司 | Photovoltaic and earthquake-resistant integrated device for existing building and use method |
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