CN115404869B - Modular large-span floating photovoltaic system construction method - Google Patents
Modular large-span floating photovoltaic system construction methodInfo
- Publication number
- CN115404869B CN115404869B CN202211157065.8A CN202211157065A CN115404869B CN 115404869 B CN115404869 B CN 115404869B CN 202211157065 A CN202211157065 A CN 202211157065A CN 115404869 B CN115404869 B CN 115404869B
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- photovoltaic panel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
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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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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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)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
本发明公开了模块化大跨度水上光伏系统施工方法，包括如下步骤：步骤A、组装得到光伏板结构模块，并安装吊绳；步骤B、在水中固定预制桩；步骤C、将光伏板结构模块吊放到运输船上，并将光伏板结构模块上下堆叠放置；步骤D、运输船将光伏板结构模块运输到指定位置；步骤E、将光伏板结构模块吊放，并和预制桩进行对接，然后光伏板结构模块和预制桩固定连接；步骤F、采用和步骤E相同的方法，对剩余的光伏板结构模块进行吊装和安装，直至形成设计形状和大小的水上光伏系统。本发明保证光伏板结构模块的安装质量，同时提高安装效率，而且对光伏板结构模块上下堆叠放置进行运输，提高运输效率，同时避免光伏板结构模块移动而导致其结构受损。
This invention discloses a construction method for a modular, large-span floating photovoltaic system, comprising the following steps: Step A, assembling photovoltaic panel structural modules and installing lifting ropes; Step B, fixing precast piles in the water; Step C, hoisting the photovoltaic panel structural modules onto a transport vessel and stacking them vertically; Step D, the transport vessel transports the photovoltaic panel structural modules to a designated location; Step E, hoisting the photovoltaic panel structural modules and connecting them to the precast piles, then fixing the photovoltaic panel structural modules and precast piles together; Step F, using the same method as in Step E, hoisting and installing the remaining photovoltaic panel structural modules until a floating photovoltaic system of the designed shape and size is formed. This invention ensures the installation quality of the photovoltaic panel structural modules while improving installation efficiency. Furthermore, the stacking and transporting of the photovoltaic panel structural modules improves transportation efficiency and avoids structural damage caused by module movement.
Description
Technical Field
The invention belongs to the technical field of photovoltaic panel construction, and particularly relates to a construction method of a modularized large-span water photovoltaic system.
Background
At present, the photovoltaic frame is mainly divided into a rigid photovoltaic bracket and a flexible photovoltaic bracket, wherein the rigid photovoltaic bracket is commonly connected with the pile by adopting a photovoltaic plate in an inclined support manner, and the flexible photovoltaic bracket mainly bears the load of the photovoltaic plate at the upper part through a prestress steel cable.
For the rigid photovoltaic bracket, the area of a single pile tube is small, so that the number of piles required is large when photovoltaic panels with the same area are arranged. For the case of high pile driving costs (e.g. large span construction of sea pile driving), it is not economical.
Therefore, in the construction of a large-span water photovoltaic system in the prior art, a flexible support is adopted, pile is firstly carried out in water, then a connecting member is arranged on the pile, a prestressed steel cable is stretched on the connecting member, and then a photovoltaic panel is installed on the prestressed steel cable. The technical problems are that (1) the arrangement and the tensioning of the prestressed steel cables need to be pulled back and forth by a transport ship, the construction efficiency is reduced, (2) the installation of piles and connecting members, the adjustment and the tensioning of the prestressed steel cables need to be performed on site, the construction quality cannot be guaranteed, (3) the photovoltaic panels need to be transported to appointed installation points on water by a transport ship, the photovoltaic panels are installed on the prestressed steel cables, potential safety hazards exist, and when the photovoltaic panels are installed near the midspan position, the installation positions are far away from the piles on both sides, and the construction is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, provides a construction method of a modularized large-span water photovoltaic system, adopts a plurality of photovoltaic plates and supporting structures to form a photovoltaic plate structure module, can be assembled on land in the process, ensures the installation quality of the photovoltaic plate structure module, can install the photovoltaic plate structure module on water, the photovoltaic plate structure modules and the precast piles are in butt joint and fixed in batches through the sling, the photovoltaic plates are not required to be paved on water independently, the installation efficiency is improved, the photovoltaic plate structure modules are stacked up and down to be placed for transportation, the transportation quantity is large, the transportation efficiency is improved, and meanwhile the photovoltaic plate structure modules are prevented from moving to cause damage to the structure, so that the protection effect is achieved.
In order to solve the technical problems, the invention adopts the following technical scheme:
The construction method of the modularized large-span water photovoltaic system is characterized by comprising the following steps of:
Step A, fixing a plurality of photovoltaic panels on a support structure on land at a set inclination angle, wherein the support structure is of a steel structure, assembling to obtain photovoltaic panel structure modules, and installing lifting ropes on the support structure of each photovoltaic panel structure module;
Step B, fixing the precast pile in water according to design requirements;
C, fixedly connecting land hoisting equipment with a hoisting rope, hoisting the photovoltaic plate structure module onto a transport ship, and stacking the photovoltaic plate structure module up and down;
step D, the transport ship transports the photovoltaic panel structure module to a designated position;
step E, hanging one of the photovoltaic plate structure modules above the corresponding precast pile through a hanging ship and a hanging rope in a fixed connection mode, adjusting the position of the photovoltaic plate structure module, putting down the photovoltaic plate structure module, butting the photovoltaic plate structure module with the precast pile, and connecting the photovoltaic plate structure module with the precast pile in a fixed connection mode;
And F, hoisting and installing the rest photovoltaic panel structure modules by adopting the same method as the step E until the water photovoltaic system with the designed shape and size is formed.
Further, in step a, the supporting structure includes girder, purlin and purlin support, when installing supporting structure, holds in the palm the purlin earlier and welds on the girder, passes through bolt and purlin support fixed connection with the purlin again, then keeps setting for inclination with the photovoltaic board and fixes on the purlin. In the step, the main beams are used as stress members, a plurality of photovoltaic plates are arranged on two main beams, and one photovoltaic plate structure module is correspondingly arranged on four precast piles, so that the number of precast piles can be reduced, piling cost is reduced, and the main beams, purlines and purline supports are of steel structures, so that the structural disturbance degree is small, the stress is uniform, the photovoltaic plates can be obliquely arranged at certain intervals, and the performance of the photovoltaic plates is fully exerted.
Further, every photovoltaic board corresponds and sets up two purlins and holds in the palm, installs two purlins on same photovoltaic board and holds in the palm there is the difference in height for photovoltaic board slope installation can be according to the size of photovoltaic board, suitably increases the quantity that purlins held in the palm. In order to increase the strength of the purlin bracket, the reinforcing plate can be welded between the purlin bracket and the main girder.
Further, in the same pin photovoltaic plate structure module, set up detachable bracing piece between two girders for two girders form overall structure, conveniently hang same pin photovoltaic plate structure module and put.
Further, in the process of installing the support rod, the first connecting plate is welded on the web plate of the main beam, the second connecting plate is welded on the end part of the support rod, then the second connecting plate is fixedly connected with the first connecting plate through bolts, after the step E is completed, the bolts between the second connecting plate and the first connecting plate are screwed out, and the support rod is disassembled. The support rod is detachably connected to the main beam, and the support rod is timely installed or detached according to actual requirements.
Furthermore, the arrangement of the support rods is specifically designed, wherein two parallel support rods I are arranged between the two main beams, the arrangement direction of the support rods I is perpendicular to the arrangement direction of the main beams, and the support rods I are used for bearing horizontal force generated by a lifting rope when the photovoltaic panel structure module is lifted, so that the purline and the photovoltaic panel are prevented from being bent and damaged due to the horizontal force. And meanwhile, two crossed support rods II are arranged between the two main beams, and the two crossed support rods II are arranged in the area between the two parallel support rods I, so that structural shearing deformation caused by inclination of the photovoltaic structural module or uneven force application of the lifting rope in the lifting process is prevented.
Further, in step C, the photovoltaic panel structure module is stacked up and down by using a supporting member, the supporting member includes a column shaft and a bracket, the bracket is welded on the column shaft, the bracket is provided with a positioning hole, and a limiting piece is welded at the bottom of the main beam at this time.
(1) When the photovoltaic plate structure module is placed, a base is welded on a platform plate of a transport ship, a column body is welded on the base, one of the photovoltaic plate structure modules is placed on a bracket, and a limiting piece at the bottom of the main beam extends into a positioning hole of the bracket;
(2) Preparing a next column body, fixing a positioning piece at the bottom of the column body, fixing a positioning piece of an upper column body on a lower column body, placing another photovoltaic panel structure module on a bracket of the upper column body, and extending a limiting piece at the bottom of a main beam into a positioning hole of the bracket;
(3) And (3) repeating the step (2) and stacking the photovoltaic panel structure modules up and down.
In the step, the photovoltaic plate structure modules are stacked and placed on the transport ship, the member can prevent the stacked photovoltaic plate structure modules from being mutually extruded, and the transportation efficiency can be improved in a multi-layer stacking mode. In addition, the support member is convenient to install or disassemble quickly and can be recycled.
Furthermore, the positioning piece adopts a positioning column or a positioning sleeve, and when the positioning piece adopts the positioning column, the positioning column of the upper column body extends into and is limited in the first through hole of the lower column body. The upper column body is fixed on the lower column body, the upper column body is firmly installed in the connecting mode, a certain acting force needs to be applied to the upper column body at the moment, the positioning column is arranged in the first through hole, the column body is designed to be a hollow component, and the material consumption is saved.
When the locating piece adopts the locating sleeve, the locating sleeve is provided with a second through hole, and the second through hole of the locating sleeve of the upper column shaft is sleeved on and limited to the top end of the lower column shaft. So that the upper column body is fixed on the lower column body, in the connection mode, the upper column body can be quickly connected with or disconnected from the lower column body, and the up-down stacking speed of the photovoltaic plate structure module is improved.
Further, in step B, fixed pre-buried steel member on the precast pile, welding bearing diagonal on pre-buried steel member again, when in step E, photovoltaic plate structure module and precast pile fixed connection, with girder and bearing diagonal welded fastening for girder and bearing diagonal form the triangle stable structure, resist the girder and topple, improve the stability of girder installation on the precast pile, satisfy the construction of photovoltaic system on the large-span water.
Further, fixed pre-buried steel ring in the top of precast pile, pre-buried steel ring are equipped with the mounting hole, and when photovoltaic plate structure module was put down, the locating part of girder bottom stretched into in the mounting hole for photovoltaic plate structure module and precast pile dock, again with pre-buried steel ring and girder welded fastening, improve the fastness of connection between girder and the precast pile, satisfy the construction of large-span photovoltaic system on water, thereby finally establish the large-span photovoltaic system on water of design shape and size.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
The invention adopts a plurality of photovoltaic plates and supporting structures to form the photovoltaic plate structure module, and the photovoltaic plate structure module is divided into a plurality of same modules, so that modularized construction is realized, the process can be assembled on land, the installation quality of the photovoltaic plate structure module is ensured, the photovoltaic plate structure module can be integrally installed on water, the photovoltaic plate structure module and precast piles are fixedly butted in batches through a sling, the photovoltaic plates are not required to be independently paved on water, the installation efficiency is improved, and the construction quality and the construction safety are ensured.
And stack from top to bottom and place and transport to photovoltaic plate structure module, transport quantity is many, improves conveying efficiency, avoids photovoltaic plate structure module to remove simultaneously and leads to its structure impaired, plays the guard action.
In the later stage, the photovoltaic plate structure module is transported to a designated position by adopting a transport ship, and the photovoltaic plate structure module and the precast pile are butted and fixed through hoisting and position adjustment of the photovoltaic plate structure module, so that construction is completed. The modular assembly, hoisting, transportation and installation are realized, so that the large-span water photovoltaic system with the designed shape and size is finally built.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a photovoltaic panel structure module according to the present invention;
FIG. 2 is a schematic view of a purlin of the invention;
FIG. 3 is a schematic view of the main beam structure of the present invention;
FIG. 4 is a schematic view of a purlin bracket according to the present invention;
fig. 5 is a schematic structural view of the present invention when each photovoltaic panel structure module is mounted with a lifting rope;
FIG. 6 is a schematic view of the connection between the support bar and the second connection plate according to the present invention;
FIG. 7 is a schematic view of the connection between the main beam and the first link plate according to the present invention;
FIG. 8 is a schematic view of the structure of the present invention when the positioning post of the upper post extends into and is limited in the first through hole of the lower post;
FIG. 9 is a schematic view of a structure of the present invention in which a support member is fixedly coupled to a base;
FIG. 10 is a schematic view of the structure of the fixed connection between the support member and the positioning post of the present invention;
FIG. 11 is a schematic view of the structure of the positioning sleeve of the present invention when the second through hole of the positioning sleeve of the upper column is sleeved and limited on the top end of the lower column;
FIG. 12 is a schematic view of the structure of the fixed connection between the support member and the positioning sleeve of the present invention;
FIG. 13 is a schematic view of the structure of the present invention when the photovoltaic panel structure module is lowered;
fig. 14 is a schematic structural view of a precast pile according to the present invention.
In the figure, a 1-photovoltaic panel, a 2-main beam, a 3-purlin bracket, a 4-purlin, a 5-limiting piece, a 6-reinforcing plate, a 7-lifting rope, an 8-supporting rod, a 9-connecting plate II, a 10-connecting plate I, an 11-web plate, a 12-flange, a 13-column body, a 14-bracket, a 15-through hole I, a 16-positioning hole, a 17-base, an 18-positioning sleeve, a 19-through hole II, a 20-precast pile, a 21-embedded steel member, a 22-inclined support, a 23-embedded steel ring, a 24-mounting hole, a 25-positioning column and an a-photovoltaic panel structure module.
Detailed Description
As shown in fig. 1 to 14, the construction method of the modularized large-span water photovoltaic system comprises the following steps:
And A, fixing a plurality of photovoltaic panels 1 on a support structure on land at a set inclination angle, wherein the support structure is of a steel structure, assembling to obtain a photovoltaic panel structure module a, and installing lifting ropes 7 on the support structure of each photovoltaic panel structure module a.
The invention designs a supporting structure specifically, wherein the supporting structure comprises a main beam 2, purlines 4 and purlines 3, and the main beam 2 is H-shaped steel and comprises a web 11 and a flange 12 which are mutually fixed. When installing bearing structure, weld purlin support 3 on girder 2 earlier, hold in the palm 3 fixed connection with purlin 4 through bolt and purlin again, then keep setting for inclination with photovoltaic board 1 and fix on purlin 4, can set up the connecting piece in the bottom of photovoltaic board 1, the connecting piece passes through bolt and purlin 4 fixed connection. In the step, the main beams 2 are used as stress members, a plurality of photovoltaic panels 1 are installed on the two main beams 2, and a photovoltaic panel structure module a is correspondingly installed on four precast piles 20, so that the number of precast piles 20 can be reduced, piling cost is reduced, and the main beams 2, purlines 4 and purline supports 3 are of steel structures, so that the structural disturbance is small, the stress is uniform, the photovoltaic panels 1 can be obliquely installed at certain intervals, and the performance of the photovoltaic panels 1 is fully exerted. The hanging points are arranged at the set positions of the head end and the tail end of each main beam 2, and the hanging ropes 7 are directly fixed at the hanging points, so that the positive and negative bending moment distribution of the structure is more uniform.
Every photovoltaic board 1 corresponds to set up two purlin and holds in the palm 3, installs two purlins on same piece photovoltaic board 1 and holds in the palm 3 and exist the difference in height for photovoltaic board 1 slope installation can suitably increase the quantity that purlin held in the palm 3 according to the size of photovoltaic board 1. In order to increase the strength of the purlin bracket 3, the reinforcing plate 6 can be welded between the purlin bracket 3 and the main girder 2.
In the same pin photovoltaic panel structure module a, set up detachable bracing piece 8 between two girders 2 for two girders 2 form overall structure, conveniently hang same pin photovoltaic panel structure module a and put. In the process of installing the support rods 8, the first connecting plates 10 are welded on the web 11 of the main beam 2, the second connecting plates 9 are welded on the end parts of the support rods 8, and then the second connecting plates 9 and the first connecting plates 10 are fixedly connected through bolts.
The invention specifically designs the arrangement of the supporting rods 8, namely two parallel supporting rods I are arranged between the two main beams 2, the arrangement direction of the supporting rods I is perpendicular to the arrangement direction of the main beams 2, and the supporting rods I are used for bearing horizontal force generated by the lifting ropes 7 when the photovoltaic panel structure module a is lifted, so that the purline 4 and the photovoltaic panel 1 are prevented from being bent and damaged due to the horizontal force. Meanwhile, two crossed support rods II are arranged between the two main beams 2, and the two crossed support rods II are arranged in the area between the two parallel support rods I, so that structural shearing deformation caused by inclination of the photovoltaic structural module or uneven force application of the lifting rope 7 in the lifting process is prevented.
And B, prefabricating and forming the precast pile 20 through concrete, wherein in the forming process, fixing the pre-buried steel member 21 on the precast pile 20, adopting a hoop for the pre-buried steel member 21 to ensure that the pre-buried steel member 21 is firmly arranged on the precast pile 20, and then welding the inclined support 22 on the pre-buried steel member 21. A pre-buried steel ring 23 is fixed at the top end of the precast pile 20, the pre-buried steel ring 23 is provided with a mounting hole 24. The precast pile 20 is fixed in water according to design requirements.
And C, fixedly connecting the land hoisting equipment with the hoisting ropes 7, hoisting the photovoltaic panel structure module a onto a transport ship, and stacking the photovoltaic panel structure module a up and down.
The photovoltaic panel structure module a is stacked up and down by adopting the supporting member, the supporting member comprises the column body 13 and the bracket 14, the bracket 14 is welded on the column body 13, the bracket 14 is provided with the positioning hole 16, and the limiting piece 5 is welded at the bottom of the main beam 2.
(1) When the photovoltaic panel structure module a is placed, the base 17 is welded on the platform plate of the transport ship, the column body 13 is welded on the base 17, one of the photovoltaic panel structure modules a is placed on the bracket 14, and the limiting piece 5 at the bottom of the main beam 2 extends into the positioning hole 16 of the bracket 14.
(2) The next column 13 is prepared, a positioning piece is fixed at the bottom of the column 13, the positioning piece of the upper column 13 is fixed on the lower column 13, then another photovoltaic panel structure module a is placed on the bracket 14 of the upper column 13, and the limiting piece 5 at the bottom of the main beam 2 extends into the positioning hole 16 of the bracket 14.
(3) And (3) repeating the step (2), and stacking the photovoltaic panel structure modules a up and down.
In the step, the photovoltaic plate structure modules a are stacked and placed on a transport ship, the member can prevent the stacked photovoltaic plate structure modules a from being mutually extruded, and the transportation efficiency can be improved in a multi-layer stacking mode. In addition, the support member is convenient to install or disassemble quickly and can be recycled.
The positioning piece adopts a positioning column 25 or a positioning sleeve 18, when the positioning piece adopts the positioning column 25, the positioning column 25 of the upper column body 13 extends into and is limited in the first through hole 15 of the lower column body 13. The upper column body 13 is fixed on the lower column body 13, in the connection mode, the column bodies 13 are firmly installed, a certain acting force needs to be applied to the upper column body 13 at the moment, the positioning column 25 is arranged in the first through hole 15, and the column body 13 is designed to be a hollow component, so that the material consumption is saved.
When the positioning sleeve 18 is adopted as the positioning member, the positioning sleeve 18 is provided with a second through hole 19, and the second through hole 19 of the positioning sleeve 18 of the upper column 13 is sleeved on and limited to the top end of the lower column 13. So that the upper shaft 13 is fixed to the lower shaft 13, in which the upper shaft 13 can be quickly coupled to or decoupled from the lower shaft 13, improving the stacking speed of the photovoltaic panel structure module a.
And D, transporting the photovoltaic panel structure module a to a designated position by a transport ship.
And E, lifting one of the photovoltaic plate structure modules a above the corresponding precast pile 20 through a lifting ship and a lifting rope 7 in a fixed connection manner, adjusting the position of the photovoltaic plate structure module a, putting down the photovoltaic plate structure module a, extending a limiting piece 5 at the bottom of the main beam 2 into a mounting hole 24, enabling the photovoltaic plate structure module a to be in butt joint with the precast pile 20, welding and fixing the pre-buried steel ring 23 and the main beam 2, improving the connection firmness between the main beam 2 and the precast pile 20, and meeting the construction of a large-span water photovoltaic system. And then the main beam 2 and the inclined support 22 are welded and fixed, so that the main beam 2 and the inclined support 22 form a triangular stable structure, the overturning of the main beam 2 is resisted, the stability of the main beam 2 installed on the precast pile 20 is improved, and the construction of a large-span water photovoltaic system is satisfied. And E, after the step is finished, screwing out the bolt between the second connecting plate 9 and the first connecting plate 10, removing the supporting rod 8, and simultaneously cutting the first connecting plate 10.
And F, hoisting and installing the rest photovoltaic panel structure module a by adopting the same method as the step E until the water photovoltaic system with the designed shape and size is formed.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present invention to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present invention.
Claims (10)
1. The construction method of the modularized large-span water photovoltaic system is characterized by comprising the following steps of:
step A, fixing a photovoltaic panel on a support structure on land at a set inclination angle, wherein the support structure is of a steel structure, assembling to obtain a photovoltaic panel structure module, and installing a lifting rope on the support structure of each photovoltaic panel structure module;
Step B, fixing the precast pile in water according to design requirements;
C, fixedly connecting land hoisting equipment with a hoisting rope, hoisting the photovoltaic plate structure module onto a transport ship, and stacking the photovoltaic plate structure module up and down;
step D, the transport ship transports the photovoltaic panel structure module to a designated position;
step E, hanging one of the photovoltaic plate structure modules above the corresponding precast pile through a hanging ship and a hanging rope in a fixed connection mode, adjusting the position of the photovoltaic plate structure module, putting down the photovoltaic plate structure module, butting the photovoltaic plate structure module with the precast pile, and connecting the photovoltaic plate structure module with the precast pile in a fixed connection mode;
And F, hoisting and installing the rest photovoltaic panel structure modules by adopting the same method as the step E until the water photovoltaic system with the designed shape and size is formed.
2. The method of claim 1, wherein in the step A, the support structure comprises a main beam, purlines and purlines, and when the support structure is installed, the purlines are welded on the main beam, then the purlines are fixedly connected with the purlines through bolts, and then the photovoltaic panel is fixed on the purlines at a set inclination angle.
3. The construction method of the modularized large-span water photovoltaic system of claim 2, wherein each photovoltaic panel is provided with two purlins correspondingly, and the two purlins installed on the same photovoltaic panel have height difference, so that the photovoltaic panels are installed obliquely.
4. The construction method of the modularized large-span water photovoltaic system of claim 2, wherein the detachable support rods are arranged between two main beams in the same photovoltaic plate structure module.
5. The construction method of the modularized large-span water photovoltaic system according to claim 4, wherein in the process of installing the supporting rods, the first connecting plate is welded on the web plate of the main beam, the second connecting plate is welded on the end part of the supporting rods, then the second connecting plate and the first connecting plate are fixedly connected through bolts, and after the step E is completed, the bolts between the second connecting plate and the first connecting plate are screwed out, and the supporting rods are disassembled.
6. The construction method of the modularized long-span water photovoltaic system according to claim 4, wherein two parallel support rods I are arranged between the two main beams, the arrangement direction of the support rods I is perpendicular to the arrangement direction of the main beams, two crossed support rods II are arranged between the two main beams, and the two crossed support rods II are arranged in the area between the two parallel support rods I.
7. The construction method of the modularized large-span water photovoltaic system according to claim 2, wherein in the step C, the photovoltaic plate structure modules are stacked up and down by adopting a supporting member, the supporting member comprises a column shaft and a bracket, the bracket is welded on the column shaft, the bracket is provided with a positioning hole, and a limiting piece is welded at the bottom of the main beam;
(1) When the photovoltaic plate structure module is placed, a base is welded on a platform plate of a transport ship, a column body is welded on the base, one of the photovoltaic plate structure modules is placed on a bracket, and a limiting piece at the bottom of the main beam extends into a positioning hole of the bracket;
(2) Preparing a next column body, fixing a positioning piece at the bottom of the column body, fixing a positioning piece of an upper column body on a lower column body, placing another photovoltaic panel structure module on a bracket of the upper column body, and extending a limiting piece at the bottom of a main beam into a positioning hole of the bracket;
(3) And (3) repeating the step (2) and stacking the photovoltaic panel structure modules up and down.
8. The construction method of the modularized long-span water photovoltaic system of claim 7, wherein said positioning member is a positioning column or a positioning sleeve;
When the positioning piece adopts a positioning column, the positioning column of the upper column body extends into and is limited in the first through hole of the lower column body;
when the locating piece adopts the locating sleeve, the locating sleeve is provided with a second through hole, and the second through hole of the locating sleeve of the upper column shaft is sleeved on and limited to the top end of the lower column shaft.
9. The construction method of the modularized large-span water photovoltaic system according to claim 7, wherein in the step B, the pre-buried steel member is fixed on the precast pile, the inclined support is welded on the pre-buried steel member, and when the photovoltaic panel structure module and the precast pile are fixedly connected in the step E, the main beam and the inclined support are welded and fixed.
10. The method for constructing the modularized large-span water photovoltaic system according to claim 9, wherein the pre-buried steel ring is fixed at the top end of the precast pile, the pre-buried steel ring is provided with a mounting hole, and when the photovoltaic plate structure module is placed down, the limiting piece at the bottom of the main beam extends into the mounting hole, so that the photovoltaic plate structure module and the precast pile are in butt joint, and then the pre-buried steel ring and the main beam are welded and fixed.
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| CN116605377A (en) * | 2023-06-21 | 2023-08-18 | 中建三局集团有限公司 | Waterborne photovoltaic prefabricated installation method |
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| KR102117305B1 (en) * | 2019-11-21 | 2020-06-01 | 쏠에코 주식회사 | Solar power generation structure of floating type |
| CN112636674A (en) * | 2020-12-22 | 2021-04-09 | 金光铭 | Photovoltaic installation equipment and method suitable for water |
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| US20130167907A1 (en) * | 2012-01-04 | 2013-07-04 | Panagiotis G. Bitarchas | Photovoltaic Mounting Apparatus and Method of Installation |
| JP6560282B2 (en) * | 2017-03-16 | 2019-08-14 | フィールド開発株式会社 | Photovoltaic panel base, its construction method and laying method |
| CN107985520A (en) * | 2018-01-02 | 2018-05-04 | 宁波安浮新能源科技有限公司 | A kind of anchor structure of far water domain floating on water surface photovoltaic system |
| KR20210015493A (en) * | 2019-08-02 | 2021-02-10 | 유한회사 세미 | Floating photovoltaic panel installation structure and buoyancy body for installation of floating photovoltaic panel |
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| KR102117305B1 (en) * | 2019-11-21 | 2020-06-01 | 쏠에코 주식회사 | Solar power generation structure of floating type |
| CN112636674A (en) * | 2020-12-22 | 2021-04-09 | 金光铭 | Photovoltaic installation equipment and method suitable for water |
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