CN113225003B - Adjustable flexible photovoltaic bracket and installation method thereof - Google Patents

Adjustable flexible photovoltaic bracket and installation method thereof Download PDF

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Publication number
CN113225003B
CN113225003B CN202110575767.7A CN202110575767A CN113225003B CN 113225003 B CN113225003 B CN 113225003B CN 202110575767 A CN202110575767 A CN 202110575767A CN 113225003 B CN113225003 B CN 113225003B
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China
Prior art keywords
plate
pin shaft
rope
photovoltaic bracket
support
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Active
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CN202110575767.7A
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Chinese (zh)
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CN113225003A (en
Inventor
雷霆
刘鹏
周玉蓉
彭嘉诚
任涛
王成川
徐如涛
周翔
王志强
李阳春
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Jiangsu Linhang New Material Technology Co ltd
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Jiangsu Linhang New Material Technology Co ltd
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Priority to CN202110575767.7A priority Critical patent/CN113225003B/en
Publication of CN113225003A publication Critical patent/CN113225003A/en
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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
    • 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
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
    • 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
    • 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
    • F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • 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
    • 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)
  • 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)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses an adjustable flexible photovoltaic bracket and an installation method thereof. The flexible photovoltaic bracket comprises a photovoltaic bracket body, an adjustable connecting device and a bracket beam; the support beam is fixed on the photovoltaic support body, and the adjustable connecting device is fixed on the support beam; the adjustable connecting device comprises an upper rope fastener and a lower connecting piece, and the rope fastener is hinged with the connecting piece. The cable fastener upper cover plate and the cable fastener lower cover plate are connected through bolts, and the cable fastener upper cover plate and the cable fastener lower cover plate are connected through bolts; the pin shaft upper connecting plate is connected below the cable fastener lower cover plate, the pin shaft lower connecting plate is connected above the bottom plate, and the bottom plate is fixed above the bracket cross beam; the pin upper connecting plate and the pin lower connecting plate are connected through a pin shaft. The flexible photovoltaic bracket provided by the invention can resist and reduce the additional stress to the rope in the use process of the bracket, so that the rope is prevented from bending at the fixed point, and the integral structure of the photovoltaic bracket is protected.

Description

Adjustable flexible photovoltaic bracket and installation method thereof
Technical Field
The invention belongs to the field of solar photovoltaic new energy support engineering, and particularly relates to an adjustable connecting device between a cable fastener and a connecting piece in a flexible photovoltaic support and an installation method thereof.
Background
The solar photovoltaic bracket is a special bracket designed for placing, installing and fixing a solar panel in a solar photovoltaic power generation system. In recent years, the development speed of new energy industries in China, particularly the development speed of solar photovoltaic industries is multiplied, and the solar photovoltaic bracket is used as a key part for supporting a photovoltaic panel, so that the yield and the consumption are increased.
The structure of traditional solar photovoltaic support does: the solar photovoltaic panel is fixed on the purline, the purline is fixed on the photovoltaic support body, and the photovoltaic support body is connected with the foundation, so that a rigid structure is formed. The disadvantages of such rigid solar photovoltaic scaffolds are: the steel consumption is higher, and the span is less, and topography suitability is relatively poor.
In recent years, therefore, flexible photovoltaic brackets using ropes instead of purlines as supports have increasingly appeared, wherein the buckle in which the ropes are located is directly screwed with a beam through bolts, and the beam is connected with a photovoltaic bracket body, and the disadvantage is that: 1. the ropes bear the load of the connecting assembly, and the photovoltaic bracket body bears the vertical load transmitted by the ropes, so that the ropes are easy to form bending angles at fixed points in the construction and use processes, and can generate great additional stress on the photovoltaic bracket body supporting the ropes, so that the bracket structure is damaged; 2. the connection between the cross beam and the photovoltaic support body is weak, and when severe conditions such as strong wind are met, the support structure is easy to damage, and the service life is short.
Disclosure of Invention
The invention aims to solve the problem of providing an adjustable flexible photovoltaic bracket, which can resist and reduce the additional stress to a rope in the use process of the bracket, prevent the rope from bending at a fixed point, improve the structural safety of the rope in the use process and protect the integral structure of the photovoltaic bracket. Meanwhile, the flexible photovoltaic bracket can offset the additional stress on the rope in the construction process, and prevent the rope from bending at the fixed point, so that the integral structure of the photovoltaic bracket is protected. In addition, the beam of the flexible photovoltaic bracket is reliably connected with the photovoltaic bracket body, and the bracket structure has high overall stability and long service life. The invention also provides an installation method of the flexible photovoltaic bracket.
The invention relates to an adjustable flexible photovoltaic bracket, which comprises a photovoltaic bracket body, an adjustable connecting device and a bracket beam; the support beam is fixed on the photovoltaic support body, and the adjustable connecting device is fixed on the support beam; the adjustable connecting device comprises an upper rope fastener and a lower connecting piece, and the rope fastener is hinged with the connecting piece.
Further, the cable fastener comprises a rope, an upper cover plate of the cable fastener, a lower cover plate of the cable fastener and a bolt; the rope fastener upper cover plate and the rope fastener lower cover plate press the rope in central holes formed by the rope fastener upper cover plate and the rope fastener lower cover plate, and the rope fastener upper cover plate and the rope fastener lower cover plate are connected through bolts; the connecting piece comprises a pin shaft lower connecting plate, a pin shaft upper connecting plate, a pin shaft and a bottom plate; the pin shaft upper connecting plate is connected below the cable fastener lower cover plate, the pin shaft lower connecting plate is connected above the bottom plate, and the bottom plate is fixed above the bracket cross beam; the pin upper connecting plate and the pin lower connecting plate are connected through a pin shaft.
Further, the two pin shaft lower connecting plates are arranged on the left side and the right side of the pin shaft upper connecting plate symmetrically, and the two pin shaft lower connecting plates and the pin shaft upper connecting plate are connected through the pin shaft.
Further, the lower surfaces of the upper connecting plates of the pin shafts are semicircular, and the upper surfaces of the lower connecting plates of the two pin shafts are semicircular.
Further, the novel support comprises a plurality of gaskets, the gaskets are arranged between the bottom plate and the support beam, and bolts penetrate through the bottom plate, the gaskets and the support on the upper part of the support beam and then are connected through tightening nuts.
Further, the bracket cross beam is H-shaped steel or I-shaped steel.
Further, the central hole formed by the cable fastener upper cover plate and the cable fastener lower cover plate has a slightly smaller aperture than the outer diameter of the rope 3.
Further, the flexible photovoltaic bracket further comprises a beam support; the beam support piece comprises a left long support rod and a right long support rod and a node plate, and the two long support rods are symmetrically arranged relative to the photovoltaic bracket body; the node plate is fixed on the photovoltaic support body, the upper end of the long stay bar is fixedly connected with the lower surfaces of the left end and the right end of the cross beam, and the lower end of the long stay bar passes through the hole of the node plate and then is connected with the photovoltaic support body.
Further, the beam support piece further comprises a plurality of short support rods, wherein the short support rods are arranged on the inner side of the long support plate and are symmetrically arranged relative to the photovoltaic bracket body; the upper end of the short stay bar is fixedly connected with the lower surface of the cross beam, and the lower end of the short stay bar is connected to the gusset plate; when the short stay bars are horizontally arranged on the inner sides of the long stay bars, the node plates are square, holes in the middle of the node plates are matched with the photovoltaic bracket body, and the front end and the rear end of the node plates are fastened with the photovoltaic bracket body through bolts; the node plate is provided with a plurality of inclined holes from left to right, and the lower end of the short stay bar is fixed in the holes of the node plate; when the short stay bars are vertically arranged above the long stay bars, the node plates are left and right, and are connected with the photovoltaic bracket body through bolts; the gusset plate is provided with a plurality of inclined holes from top to bottom and right, and the lower end of the short stay bar is fixed in the holes of the gusset plate.
The invention relates to a mounting method of a flexible photovoltaic bracket, which comprises the following technical steps: (1) processing a photovoltaic bracket body and structural members in a factory, wherein a cable fastener lower cover plate is reliably connected with a pin shaft upper connecting plate, and the pin shaft lower connecting plate is reliably connected with a bottom plate; (2) installing a photovoltaic bracket body, a bracket beam and a beam support piece on site; (3) stretching the rope on site until the initial tension is designed to form structural rigidity; (4) fastening the upper cover plate and the lower cover plate of the locking piece to a rope through bolts; (5) the upper connecting plate and the lower connecting plate of the pin shaft are connected through the pin shaft; (6) the gasket is increased and reduced between the bottom plate and the bracket cross beam, so that the rope does not generate additional stress caused by installation; (7) the bottom plate and the gasket are reliably connected with the support beam through bolts.
The flexible photovoltaic bracket has the advantages that: 1. the rope can rotate relative to the photovoltaic bracket body through the pin shaft, so that the additional stress of unbalanced force (working condition) to the rope in the use process of the bracket is reduced, the rope is prevented from bending at a fixed point, the structural safety of the rope in the use process is improved, and the safety and reliability of the whole structure of the photovoltaic bracket are further ensured; 2. the bottom plate and the bracket cross beam are vertically adjusted through the filling base plate, so that additional stress on the rope in the construction process can be counteracted, and the rope is prevented from bending angles at fixed points, so that the integral structure of the photovoltaic bracket is protected; 3. the beam support piece improves the connection strength between the beam and the photovoltaic support body, improves the stability of the whole photovoltaic support and ensures the service life of the whole photovoltaic support. In a word, the flexible photovoltaic bracket has stable overall structure and longer service life.
Drawings
FIG. 1 is a front view of a first flexible photovoltaic support structure of this invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a front view of an adjustable connection of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic view of a second solar photovoltaic support structure of the present invention;
FIG. 6 is a schematic view of the gusset of FIG. 5;
FIG. 7 is a schematic view of a third solar photovoltaic support structure of the present invention;
fig. 8 is a schematic view of the gusset of fig. 7.
In the figure: the photovoltaic bracket comprises a photovoltaic bracket body 1, an adjustable connecting device 2, a rope 3, a rope 4 upper cover plate of a rope fastener, a rope 5 lower cover plate of a rope fastener, a connecting bolt 6, a pin shaft 7 lower connecting plate, a pin shaft 8 upper connecting plate, a pin shaft 9, a bottom plate 10, a height adjusting gasket 11, a bracket beam 12, a long supporting rod 13, a node plate 14 and a short supporting rod 15.
Detailed Description
Example 1
As shown in fig. 1, 2, 3 and 4, the adjustable flexible photovoltaic bracket of the invention comprises a photovoltaic bracket body 1, an adjustable connecting device 2 and a bracket beam 12; the support beam 12 is fixed on the photovoltaic support body 1, and the adjustable connecting device 2 is fixed on the support beam 12; the adjustable connecting device 2 comprises an upper cable fastener and a lower connecting piece, and the cable fastener is hinged with the connecting piece.
The flexible photovoltaic bracket comprises: the rope fastener for fixing the rope is hinged with the connecting piece fixed on the bracket beam, namely the rope can rotate relative to the photovoltaic bracket body through the pin shaft, so that the additional stress of unbalanced force (working condition) to the rope in the use process of the bracket is reduced, the rope is prevented from bending at the fixed point, the structural safety of the rope in the use process is improved, and the safety and reliability of the integral structure of the photovoltaic bracket are further ensured. The photovoltaic bracket body 1 is fixed on the foundation.
Wherein the bracket beam 12 is H-shaped steel or I-shaped steel.
The beam 12 of the bracket adopts H-shaped steel or I-shaped steel, so that the steel consumption is reduced, the overall weight of the bracket is lightened, and the overall safety and reliability of the photovoltaic bracket are improved; at the same time, the connection between the adjustable connection device 2 and the bracket beam 12 is also facilitated.
Example 2
As shown in fig. 1, 2, 3 and 4, the flexible photovoltaic support of the present invention: the cable fastener comprises a rope 3, an upper cable fastener cover plate 4, a lower cable fastener cover plate 5 and a bolt 6; the rope 3 is pressed in a central hole formed by the rope fastener upper cover plate 4 and the rope fastener lower cover plate 5, and the bolt 6 is connected with the rope fastener upper cover plate 4 and the rope fastener lower cover plate 5; the connecting piece comprises a pin shaft lower connecting plate 7, a pin shaft upper connecting plate 8, a pin shaft 9 and a bottom plate 10; the pin shaft upper connecting plate 8 is connected below the cable fastener lower cover plate 5, the pin shaft lower connecting plate 7 is connected above the bottom plate 10, and the bottom plate 10 is fixed above the bracket beam 12; the pin upper connecting plate 8 and the pin lower connecting plate 7 are connected through a pin 9.
The pin shaft upper connecting plate 8 and the pin shaft lower connecting plate 7 form a rotatable device through a pin shaft 9: the cable fastener is fixedly connected with the pin shaft upper connecting plate 8, the pin shaft lower connecting plate 7 is fixedly connected with the bracket cross beam 12 through the bottom plate 10, and the bracket cross beam 12 is fixedly connected with the photovoltaic bracket body 1, so that the whole cable fastener can rotate relative to the photovoltaic bracket 1, thereby resisting the additional stress of unbalanced force (working condition) to the rope in the use process, improving the structural safety of the rope in the use process, and further ensuring the safety and reliability of the integral structure of the photovoltaic bracket.
Wherein the aperture of the central hole formed by the upper cover plate 4 and the lower cover plate 5 is slightly smaller than the outer diameter of the rope 3.
In this way, the rope 3 can be tightly pressed through the rope fastener upper cover plate 4 and the rope fastener lower cover plate 5, so that the position of the rope 3 is ensured, and the influence on the solar photovoltaic panel caused by shaking of the rope is prevented.
Example 3
As shown in fig. 1, 2, 3 and 4, the flexible photovoltaic support of the present invention: the pin shaft lower connecting plates 7 are arranged on the left side and the right side of the pin shaft upper connecting plates 8 symmetrically, and the two pin shaft lower connecting plates 7 and the pin shaft upper connecting plates 8 are connected through pin shafts 9.
The two pin shaft lower connecting plates 7 are positioned on the left side and the right side of the pin shaft upper connecting plate 8, so that the strength of the adjustable connecting device 2 is improved, the reliability of rotation of the pin shaft upper connecting plate 8 around the pin shaft 9 is ensured, and the structural safety of the rope in the use process is ensured.
Example 4
As shown in fig. 1, 2, 3 and 4, the flexible photovoltaic support of the present invention: the lower surfaces of the pin shaft upper connecting plates 8 are semicircular, and the upper surfaces of the two pin shaft lower connecting plates 7 are semicircular.
The semicircular design of the connecting plates ensures that when the connecting plates rotate around the pin shaft 9, the upper pin shaft connecting plates 8 and the lower pin shaft connecting plates 7 do not interfere, and the reliability of rotation is ensured. Meanwhile, on the premise of the same rotation diameter, the semicircular design shortens the distance between the pin upper connecting plate 8 and the lower pin lower connecting plate 7 relative to the square design, so that the adjustable connecting device 2 is compact in structure, and the strength of the adjustable connecting device 2 is enhanced.
Example 5
As shown in fig. 1, 2, 3 and 4, the flexible photovoltaic bracket of the invention further comprises a plurality of gaskets 11, wherein the gaskets 11 are arranged between the bottom plate 10 and the bracket beam 12, and the bolts 6 penetrate through the bottom plate 10, the gaskets 11 and the upper part of the bracket beam 12 and are connected by tightening nuts.
The up-down adjusting device is formed between the bottom plate 10 and the bracket beam 12 through the filling base plate 11, and the up-down adjustment can offset the additional stress generated to the rope in the construction process, so that the rope is prevented from bending at the fixed point, and the integral structure of the photovoltaic bracket is protected.
Example 6
As shown in fig. 5 and 6, the flexible photovoltaic bracket of the present invention further comprises a beam support; the beam support piece comprises a left long stay bar 13, a right long stay bar 13 and a node plate 14, and the two long stay bars 13 are symmetrically arranged relative to the photovoltaic bracket body 1; the gusset plate 14 is fixed on the photovoltaic bracket body 1, the upper end of the long stay bar 13 is fixedly connected with the lower surfaces of the left end and the right end of the cross beam 12, and the lower end of the long stay bar passes through the hole of the gusset plate 14 and then is connected with the photovoltaic bracket body 1.
Two long vaulting poles 13 support under crossbeam 12 symmetrically, and gusset 14 has increased the supporting role to long vaulting pole 13, therefore, crossbeam support piece has improved the joint strength between crossbeam and the photovoltaic support body, has improved the stability of whole photovoltaic support, has guaranteed the life of whole photovoltaic support.
Example 7
As shown in fig. 7 and 8, the flexible photovoltaic support of the present invention: the beam support piece further comprises a plurality of short support rods 15, wherein the short support rods 15 are arranged on the inner side of the long support plate 13 and are symmetrically arranged left and right relative to the photovoltaic bracket body 1; the upper end of the short stay bar 15 is fixedly connected with the lower surface of the cross beam 12, and the lower end of the short stay bar is connected with the gusset plate 14; when the short stay bars 15 are horizontally arranged on the inner sides of the long stay bars 13, the node plates 14 are square, holes in the middle of the node plates are matched with the photovoltaic bracket body 1, and the front end and the rear end of the node plates are fastened with the photovoltaic bracket body 1 through bolts 6; the gusset plate 14 is provided with a plurality of inclined holes from left to right, and the lower ends of the short stay bars 15 are fixed in the holes of the gusset plate 14; when the short stay bar 15 is vertically arranged above the long stay bar 13, the node plates 14 are left and right, and are connected with the photovoltaic bracket body 1 through bolts 6; the gusset plate 14 is provided with a plurality of inclined holes from top to bottom to right, and the lower ends of the short struts 15 are fixed in the holes of the gusset plate 14.
The short stay bar 15 is supported at the lower end of the cross beam 12, so that the connection strength between the photovoltaic support body 1 and the cross beam 12 is further improved, the stability of the whole photovoltaic support is improved, and the service life of the whole photovoltaic support is ensured.
Example 8
The invention discloses an adjustable flexible photovoltaic bracket mounting method, which comprises the following technical steps: (1) processing a photovoltaic bracket body and structural members in a factory, wherein a cable fastener lower cover plate is reliably connected with a pin shaft upper connecting plate, and the pin shaft lower connecting plate is reliably connected with a bottom plate; (2) installing a photovoltaic bracket body, a bracket beam and a beam support piece on site; (3) stretching the rope on site until the initial tension is designed to form structural rigidity; (4) fastening the upper cover plate and the lower cover plate of the locking piece to a rope through bolts; (5) the upper connecting plate and the lower connecting plate of the pin shaft are connected through the pin shaft; (6) gaskets are added and subtracted between the bottom plate and the bracket cross beam, so that the rope does not generate additional stress caused by installation; (7) the bottom plate and the gasket are reliably connected with the bracket cross beam through bolts. And finally, fixing the solar photovoltaic panel on the rope.
According to the flexible photovoltaic bracket, the adjustable connecting device is arranged, so that the rope fastener where the rope is positioned can rotate relative to the bracket beam and the photovoltaic bracket body through the pin shaft, and the additional stress of unbalanced force (working condition) to the rope in the use process is reduced, and the structural safety of the rope in the use process is improved; additional stress on the cable in the construction process is counteracted by adjusting the upper and lower parts of the gasket in the installation process. Therefore, the rope in the invention can not generate a folding angle at the fixed point in the construction and use process, and can not generate great additional stress to the photovoltaic bracket body for supporting the rope to damage the structure, thereby prolonging the service life of the bracket structure.

Claims (9)

1. An adjustable flexible photovoltaic support characterized by: the photovoltaic bracket comprises a photovoltaic bracket body (1), an adjustable connecting device (2) and a bracket beam (12); the bracket beam (12) is fixed on the photovoltaic bracket body (1), and the adjustable connecting device (2) is fixed on the bracket beam (12); the adjustable connecting device (2) comprises an upper cable fastener and a lower connecting piece, and the cable fastener is hinged with the connecting piece; the cable fastener comprises a rope (3), a cable fastener upper cover plate (4), a cable fastener lower cover plate (5) and a bolt (6); the rope (3) is pressed in a central hole formed by the rope fastener upper cover plate (4) and the rope fastener lower cover plate (5), and the bolt (6) is connected with the rope fastener upper cover plate (4) and the rope fastener lower cover plate (5); the connecting piece comprises a pin shaft lower connecting plate (7), a pin shaft upper connecting plate (8), a pin shaft (9) and a bottom plate (10); the pin shaft upper connecting plate (8) is connected below the cable fastener lower cover plate (5), the pin shaft lower connecting plate (7) is connected above the bottom plate (10), and the bottom plate (10) is fixed above the bracket cross beam (12); the pin shaft upper connecting plate (8) and the pin shaft lower connecting plate (7) are connected through a pin shaft (9).
2. The flexible photovoltaic bracket of claim 1, wherein: the pin shaft lower connecting plates (7) are arranged on the left side and the right side of the pin shaft upper connecting plates (8) symmetrically, and the two pin shaft lower connecting plates (7) and the pin shaft upper connecting plates (8) are connected through pin shafts (9).
3. The flexible photovoltaic bracket of claim 1, wherein: the lower surfaces of the pin shaft upper connecting plates (8) are semicircular, and the upper surfaces of the two pin shaft lower connecting plates (7) are semicircular.
4. The flexible photovoltaic bracket of claim 1: the method is characterized in that: the novel support is characterized by further comprising a plurality of gaskets (11), wherein the gaskets (11) are arranged between the bottom plate (10) and the support beam (12), and bolts (6) penetrate through the bottom plate (10), the gaskets (11) and the support at the upper parts of the support beam (12) and then are connected through tightening nuts.
5. The flexible photovoltaic bracket of claim 1: the method is characterized in that: the bracket cross beam (12) is H-shaped steel or I-shaped steel.
6. The flexible photovoltaic bracket of claim 1: the method is characterized in that: the aperture of a central hole formed by the upper cover plate (4) of the rope fastener and the lower cover plate (5) of the rope fastener is slightly smaller than the outer diameter of the rope (3).
7. The flexible photovoltaic bracket of claim 1, wherein: it also includes a beam support; the beam support piece comprises a left long support rod (13), a right long support rod (13) and a gusset plate (14), and the two long support rods (13) are symmetrically arranged relative to the photovoltaic bracket body (1); the node plate (14) is fixed on the photovoltaic support body (1), the upper end of the long stay bar (13) is fixedly connected with the lower surfaces of the left end and the right end of the support beam (12), and the lower end of the long stay bar passes through the hole of the node plate (14) and then is connected with the photovoltaic support body (1).
8. The flexible photovoltaic bracket of claim 7, wherein: the beam support piece further comprises a plurality of short support rods (15), wherein the short support rods (15) are arranged on the inner sides of the long support rods (13) and are symmetrically arranged left and right relative to the photovoltaic bracket body (1); the upper end of the short stay bar (15) is fixedly connected with the lower surface of the bracket cross beam (12), and the lower end of the short stay bar is connected with the node plate (14); when the short stay bars (15) are horizontally arranged on the inner sides of the long stay bars (13), the node plates (14) are square, holes in the middle of the node plates are matched with the photovoltaic bracket body (1), and the front end and the rear end of the node plates are fastened with the photovoltaic bracket body (1) through bolts (6); the node plate (14) is provided with a plurality of inclined holes from left to right, and the lower end of the short stay bar (15) is fixed in the holes of the node plate (14); when the short stay bar (15) is vertically arranged above the long stay bar (13), the node plates (14) are left and right, and are connected with the photovoltaic bracket body (1) through bolts (6); the gusset plate (14) is provided with a plurality of inclined holes from top to bottom and right, and the lower ends of the short supporting rods (15) are fixed in the holes of the gusset plate (14).
9. The method of installing a flexible photovoltaic bracket of any of claims 1-8, comprising the technical steps of: (1) processing a photovoltaic bracket body and structural members in a factory, wherein a cable fastener lower cover plate is reliably connected with a pin shaft upper connecting plate, and the pin shaft lower connecting plate is reliably connected with a bottom plate; (2) installing a photovoltaic bracket body, a bracket beam and a beam support piece on site; (3) stretching the rope on site until the initial tension is designed to form structural rigidity; (4) fastening the upper cover plate and the lower cover plate of the locking piece to a rope through bolts; (5) the upper connecting plate and the lower connecting plate of the pin shaft are connected through the pin shaft; (6) the gasket is increased and reduced between the bottom plate and the bracket cross beam, so that the rope does not generate additional stress caused by installation; (7) the bottom plate and the gasket are reliably connected with the support beam through bolts.
CN202110575767.7A 2021-05-26 2021-05-26 Adjustable flexible photovoltaic bracket and installation method thereof Active CN113225003B (en)

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KR101392156B1 (en) * 2013-01-04 2014-05-09 동서대학교산학협력단 Support structure for solar generating apparatus
JP2015078578A (en) * 2013-10-18 2015-04-23 株式会社サンレール Photovoltaic power generation panel pedestal
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