CN110466706B - Floating platform and photovoltaic power plant on water - Google Patents

Floating platform and photovoltaic power plant on water Download PDF

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Publication number
CN110466706B
CN110466706B CN201910730251.8A CN201910730251A CN110466706B CN 110466706 B CN110466706 B CN 110466706B CN 201910730251 A CN201910730251 A CN 201910730251A CN 110466706 B CN110466706 B CN 110466706B
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CN
China
Prior art keywords
buoyancy tank
assembly
main rope
pull rod
buoyancy
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Application number
CN201910730251.8A
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Chinese (zh)
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CN110466706A (en
Inventor
邹斌
尹学明
刘春燕
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Yunnan Baoye Metal Structure Engineering Co Ltd
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Yunnan Baoye Metal Structure Engineering Co Ltd
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Priority to CN201910730251.8A priority Critical patent/CN110466706B/en
Publication of CN110466706A publication Critical patent/CN110466706A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/40Mobile PV generator systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433Floating structures carrying electric power plants
    • B63B2035/4453Floating structures carrying electric power plants for converting solar energy into electric energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention discloses a floating platform and a photovoltaic power station on water, wherein the floating platform comprises: a buoyancy tank mechanism; the truss mechanism is arranged on the buoyancy tank mechanism; a main rope assembly disposed on the pontoon mechanism; the pull rod assembly is arranged on the buoyancy tank mechanism and connected with the main rope assembly; the buoyancy tank mechanism provides buoyancy for the main rope assembly and the pull rod assembly so that the floating platform can be kept stable in the vertical direction, and the main rope assembly is tensioned through the pull rod assembly so that the floating platform can be kept stable in the horizontal direction. Under the conditions that water level fall exists on the water surface and the water surface is wide, a stable structure system capable of bearing horizontal loads and vertical loads is formed. After the truss platform is connected with the buoyancy tank mechanism, the truss platform stably floats on the water surface by means of buoyancy provided by the buoyancy tank mechanism.

Description

Floating platform and photovoltaic power plant on water
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a floating platform and an overwater photovoltaic power station.
Background
In recent years, waterborne photovoltaic power stations are widely used by virtue of their unique advantages. The photovoltaic power station on water relies on the surface of the water body, so that the occupation of land resources such as cultivated land, woodland, grassland and the like is reduced, a large amount of water body can be shielded, the irradiation of sunlight is shielded, a large projection surface is formed, the growth of algae is inhibited to a certain extent, the prevention and the treatment of water pollution are facilitated, and the culture is not influenced. Photovoltaic power plant on water relies on the platform on water to float on the surface of water, and because the cooling effect of water, surface of water photovoltaic power plant can obtain more generated energy than large-scale ground power station and roof distributed photovoltaic power station. The water surface photovoltaic power station is in a water environment, solid adsorption of dust and the like is avoided, cleaning is avoided in the true sense, and cost and electric quantity loss caused by cleaning of the photovoltaic panel are reduced.
However, the construction of photovoltaic power plants on water requires a carrier, providing a platform for the installation of photovoltaic panels. Therefore, a reliable, durable and economic floating platform becomes a crucial foundation for the construction of the photovoltaic power station on water. At present, widely used carriers are: the photovoltaic system comprises a water surface elevated photovoltaic bracket, a floating pipe type floating photovoltaic system, a standard floating box type floating photovoltaic system, an HDPE floating box + bracket type floating photovoltaic system, an HSCC-FB floating box + bracket type floating photovoltaic system and a fish belly type steel cable flexible bracket system. The systems have advantages, disadvantages and limitations, and particularly, under the conditions that the water level falls and the water surface is wide, the stability of the floating platform is poor.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a floating platform and an above-water photovoltaic power station, so as to form a structural system capable of bearing horizontal load and vertical load under the conditions that the water level difference exists on the water surface and the water surface is wide.
The technical scheme of the invention is as follows:
a floating platform, comprising:
a buoyancy tank mechanism;
the truss mechanism is arranged on the buoyancy tank mechanism;
a main rope assembly disposed on the pontoon mechanism; and
the pull rod assembly is arranged on the buoyancy tank mechanism and connected with the main rope assembly;
the buoyancy tank mechanism provides buoyancy for the main rope assembly and the pull rod assembly so that the floating platform can be kept stable in the vertical direction, and the main rope assembly is tensioned through the pull rod assembly so that the floating platform can be kept stable in the horizontal direction.
In a further arrangement of the invention, the main rope assembly comprises:
the anchoring pier is provided with a lifting assembly, and the buoyancy tank mechanism is connected with the lifting assembly;
a first main rope connected with the buoyancy tank mechanism; and
the second main rope is connected with the buoyancy tank mechanism;
when the buoyancy tank mechanism ascends and descends along with the water level, the first main rope and the second main rope move up and down along with the lifting assembly.
In a further aspect of the invention, the buoyancy tank mechanism comprises:
the buoyancy tank unit is formed by connecting a plurality of buoyancy tanks in series;
the buoyancy tank framework is arranged on the buoyancy tank unit and connected with the second main rope; and
the first connecting assembly is arranged between the buoyancy tank units and is used for connecting the two buoyancy tank units;
the first connecting assembly comprises a first connecting plate and a pin shaft, the first connecting plate is provided with a first through hole matched with the pin shaft, the buoyancy tank framework is provided with a first fixing part, the first fixing part is provided with a cavity used for containing the first connecting plate, the first fixing part is provided with a second through hole consistent with the diameter of the first through hole, and the pin shaft penetrates through the first through hole and the second through hole so that the two buoyancy tank units are connected together.
In a further aspect of the invention, the tie rod assembly includes: the prestressed pull rod is arranged on the buoyancy tank unit and is connected with the first main rope; and
the buoyancy tank string is connected with the conversion pull rod, and the buoyancy tank string is connected with the conversion pull rod and is respectively connected with the buoyancy tank framework and the second main rope.
In a further aspect of the invention, the tie rod assembly further comprises:
the telescopic regulator is arranged on the conversion pull rod connected with the buoyancy tank string and used for keeping the pull rod assembly in a tensioning state;
the lengtheners are arranged on two sides of the telescopic regulator and are used for connecting the telescopic regulator and the buoyancy tank series connection conversion pull rod; and
and the locking device is arranged on the buoyancy tank string connection conversion pull rod and is used for connecting the buoyancy tank string connection conversion pull rod and the second main rope.
The telescopic regulator comprises a shell, and a spring, a stop block and a push block which are arranged in the shell, wherein the floating box is connected with a conversion rod in series and penetrates through the shell;
one end of the floating box string connected with the conversion rod, which is positioned on one side of the shell, is connected with the push block, and one end of the floating box string connected with the conversion rod, which is positioned on the other side of the shell, penetrates through the spring and is connected with the stop block.
According to the invention, the buoyancy tank mechanism further comprises a second connecting assembly used for connecting the two buoyancy tank units, the second connecting assembly comprises a second connecting plate and a fixing bolt, the second connecting plate is arranged on the buoyancy tank framework, third through holes matched with the fixing bolt are formed in two ends of the second connecting plate, and two adjacent buoyancy tank units are connected together through the second connecting plate.
According to the further arrangement of the invention, the buoyancy tank mechanism further comprises a third connecting assembly, the third connecting assembly comprises a third connecting plate and a fourth connecting plate, the fourth connecting plate is provided with a waist-shaped groove, and the third connecting plate is provided with a fourth through hole matched with the waist-shaped groove.
According to the further arrangement of the invention, the buoyancy tank mechanism further comprises an auxiliary safety rope, and the auxiliary safety rope is arranged along the direction of the first main rope and is respectively connected with the buoyancy tank unit and the second main rope.
The utility model provides a photovoltaic power plant on water, includes photovoltaic module and floating platform, photovoltaic module sets up floating platform is last, floating platform be last floating platform.
In summary, the present invention provides a floating platform and an above-water photovoltaic power station, wherein the floating platform includes: a buoyancy tank mechanism; the truss mechanism is arranged on the buoyancy tank mechanism; a main rope assembly disposed on the pontoon mechanism; the pull rod assembly is arranged on the buoyancy tank mechanism and connected with the main rope assembly; the buoyancy tank mechanism provides buoyancy for the main rope assembly and the pull rod assembly so that the floating platform can be kept stable in the vertical direction, and the main rope assembly is tensioned through the pull rod assembly so that the floating platform can be kept stable in the horizontal direction. Through set up the main rope subassembly on flotation tank mechanism, make floating platform can go up and down along with the lift of water level, keep the tensile relatively steady of floating platform to keep floating platform relatively steady in the vertical direction, stretch-draw through pull rod assembly makes floating platform keep tensile relatively steady in the horizontal direction, thereby keep floating platform relatively steady in the horizontal direction. Under the conditions that water level fall exists on the water surface and the water surface is wide, a structural system capable of bearing horizontal loads and vertical loads is formed. After the truss platform is connected with the buoyancy tank mechanism, the truss platform stably floats on the water surface by means of buoyancy provided by the buoyancy tank mechanism.
Drawings
Figure 1 is a schematic view of the overall structure of a flotation platform of the present invention 1.
Figure 2 is a schematic view of the overall structure of a flotation platform of the present invention 2.
Fig. 3 is an enlarged view of the present invention at a in fig. 2.
Fig. 4 is a partial schematic view of fig. 2.
Fig. 5 is an enlarged view at B in fig. 4.
Fig. 6 is an enlarged view of the present invention at C in fig. 4.
Fig. 7 is a schematic view of the installation of the main rope main part in the present invention.
Fig. 8 is a schematic view of the installation of the buoyancy tank string connection conversion tie rod.
Fig. 9 is a schematic diagram of the overall structure of the above-water photovoltaic power station in the invention.
Figure 10 is a partial schematic view of an above water photovoltaic power plant of the present invention.
Fig. 11 is an enlarged view at D in fig. 10.
The various symbols in the drawings: 1. a buoyancy tank mechanism; 11. a buoyancy tank unit; 12. a buoyancy tank framework; 13. a first connection assembly; 131. a first connecting plate; 132. a pin shaft; 133. a first fixed part; 14. a second connection assembly; 141. a second connecting plate; 142. fixing the bolt; 15. a third connection assembly; 151. a third connecting plate; 152. a fourth connecting plate; 16. an auxiliary safety rope; 17. a transition buoyancy tank; 171. hanging a lug; 172. a second fixed part; 18. a limiting plate; 2. a truss mechanism; 3. a main rope assembly; 31. anchoring the pier; 32. a lifting assembly; 321. a guide rail; 322. a slider; 33. a first main rope; 34. a second main rope; 4. a drawbar assembly; 41. a prestressed tension rod; 42. the buoyancy tank string is connected with a conversion pull rod; 43. a telescopic adjuster; 431. a housing; 432. a spring; 433. a stopper; 434. a push block; 44. a lengthening device; 45. locking; 46. a turnbuckle; 5. provided is a photovoltaic module.
Detailed Description
The inventor finds that the carrier platform of the photovoltaic power station on water is stressed most along the water flow direction, and the factors caused by the carrier platform mainly comprise: the influence of the factors on the carrier platform is particularly obvious under the conditions of water level fall and wide water surface, such as water flow force, wind force, wave force and serial tension of the buoyancy tanks along the river. Therefore, the invention provides a floating platform and an overwater photovoltaic power station, which can form a stable structure system capable of bearing horizontal loads and vertical loads. The floating platform is applied to the photovoltaic power station on water, and is particularly applied to providing a carrier platform for the photovoltaic power station on water in the built water conservancy power station reservoir area, namely the floating platform in the application, and the photovoltaic power station is floated on the water surface through the carrier platform. On the premise of ensuring that the investment is equivalent to ground photovoltaic, the water surface utilization efficiency of the hydropower station is increased, the generated energy is improved, and particularly for the hydropower station with weak profitability, the operation capacity of the hydropower station can be increased while supporting equipment is reduced. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-11, the present invention provides a preferred embodiment of a flotation platform.
As shown in fig. 1, 2, 3, 8 and 9, a floating platform is applied to an overwater photovoltaic power station which comprises a photovoltaic assembly 5, wherein the floating platform comprises a buoyancy tank mechanism 1, a truss mechanism 2, a main rope assembly 3 and a pull rod assembly 4. Specifically, the buoyancy tank mechanism 1 floats on the water surface and is used for providing buoyancy for the whole water photovoltaic power station, the truss mechanism 2 is arranged on the buoyancy tank mechanism 1, the photovoltaic component 5 is arranged on the truss mechanism 2, the main rope component 3 and the pull rod component 4 are connected with the buoyancy tank mechanism 1, the buoyancy tank mechanism 1 provides buoyancy for the main rope component 3 and the pull rod component 4 so that the main rope component 3 and the pull rod component 4 can lift along with the lifting of the water level, so that the stability of the buoyancy tank mechanism 1 in the vertical direction can be kept, the pull rod component 4 is respectively connected with the buoyancy tank mechanism 1 and the main rope component 3, the tension effect is achieved on the buoyancy tank mechanism 1, the stability of the buoyancy tank mechanism 1 in the horizontal direction can be kept, and under the conditions that the water level and the water surface fall exist and the water surface fall can be kept wide, a water bearing part is formed, But also can bear vertical load. After the truss platform is connected with the buoyancy tank mechanism 1, the truss platform stably floats on the water surface by means of buoyancy provided by the buoyancy tank mechanism 1.
Referring to fig. 2, 4 and 5, wherein fig. 4 is a partial schematic view of a position B-B in the figure, further, the buoyancy tank mechanism 1 includes buoyancy tank units 11, buoyancy tank frameworks 12 and a first connecting assembly 13, wherein the buoyancy tank frameworks 12 are disposed above the buoyancy tank units 11, the truss mechanism 2 is fixedly connected with the buoyancy tank frameworks 12, and the first connecting assembly 13 is located between two buoyancy tank units 11 and is used for connecting two adjacent buoyancy tank units 11.
Specifically, the buoyancy tank unit 11 is formed by fixing a plurality of buoyancy tanks to a buoyancy tank framework 12 into a whole, in the invention, a single buoyancy tank unit 11 is composed of 8 buoyancy tanks, and the buoyancy tanks are arranged side by side in two rows, namely, each row is arranged to be 4, two adjacent buoyancy tanks are independent and are respectively connected to the buoyancy tank framework 12, the buoyancy tank framework 12 is an integral framework, and the buoyancy tank framework 12 is installed on the buoyancy tanks and surrounds the whole buoyancy tank unit 11. Wherein, main rope main part 3 and pull rod assembly 4 all are connected with the flotation tank, provide buoyancy through the flotation tank and float on the surface of water. It should be noted that, a plurality of buoyancy tank units 11 are provided, and a plurality of buoyancy tank units 11 are connected in series, and the specific number thereof is specifically set according to the number of photovoltaic modules 5.
More specifically, every 20-40 meters or so, three buoyancy tank units 11 that set up side by side are connected together in series through first connecting assembly 13, wherein, first connecting assembly 13 sets up along following the river, and it includes first connecting plate 131 and round pin axle 132, first connecting plate 131 be provided with the first through-hole of round pin axle 132 adaptation, buoyancy tank skeleton 12 is provided with first fixed part 133, first fixed part 133 is provided with the cavity that is used for holding first connecting plate 131, in addition, first fixed part 133 is provided with the diameter size unanimous second through-hole with the first through-hole, when needs are connected two buoyancy tank units 11, places first fixed part 133 on buoyancy tank skeleton 12 in the cavity of first connecting plate 131 to make the second through-hole of first fixed part 133 correspond with the first through-hole of first connecting plate 131, at this moment with round pin axle 132 wear to locate first through-hole and the second through-hole thereby make two buoyancy tank units 11 connect together Together, when one of the buoyancy tank units 11 needs to be dismantled, the pin shaft 132 is pulled out, so that the buoyancy tank units 11 can be conveniently dismantled and assembled, meanwhile, the buoyancy tank units are connected by the first connecting assembly 13 every 20-40 meters, so that the rigidity adjustment of the whole floating platform is facilitated, the interval is set according to the actual load of the floating platform, and preferably, in the invention, the two buoyancy tank units 11 are connected together by the first connecting assembly 13 every 30 meters.
Referring to fig. 2, 4 and 6, further, the buoyancy tank mechanism 1 further includes a second connection assembly 14 for connecting the two buoyancy tank units 11, the second connection assembly 14 includes a second connection plate 141 and a fixing bolt 142, the second connection plate 141 is disposed on the buoyancy tank framework 12, and two adjacent buoyancy tank units 11 are connected together through the second connection plate 141. Specifically, the buoyancy tank unit 11 and the buoyancy tank unit 11 within 30 meters are connected through the second connecting assembly 14, wherein the second connecting assembly 14 is arranged along the river direction, third through holes matched with the fixing bolts 142 are formed in the two ends of the second connecting plate 141, during installation, the third through holes of the second connecting plates 141 of the two buoyancy tank frameworks 12 are correspondingly and fixedly connected through the fixing bolts 142, the rigidity of the whole floating platform can be further ensured through the connecting mode of the second connecting assembly 14, and the floating platform is kept in a relatively stable state.
Referring to fig. 2, 8, 10 and 11, wherein fig. 10 is a partial schematic view of a-a in fig. 2, further, the buoyancy tank mechanism 1 further includes a third connection assembly 15, the third connection assembly 15 includes a third connection plate 151 and a fourth connection plate 152, the fourth connection plate 152 is provided with a waist-shaped groove, and the third connection plate 151 is provided with a fourth through hole adapted to the waist-shaped groove. Specifically, the third connecting assembly 15 is disposed along the horizontal direction, and the third connecting plate 151 and the fourth connecting plate 152 are both connected to the corresponding buoyancy tank frameworks 12, that is, the third connecting plate 151 is disposed on the buoyancy tank framework 12 of one buoyancy tank unit 11, and then the fourth connecting plate 152 is disposed on the buoyancy tank framework 12 of another buoyancy tank unit 11. When installing truss mechanism 2, for making floating platform more steady, truss mechanism 2 is placed to the flotation tank unit 11 of flotation tank mechanism 1's both sides position, and flotation tank unit 11 has certain shear force in the middle of so being located flotation tank unit 11 in the middle of the flotation tank unit 11 of both sides, is connected to middle unit 11 with flotation tank unit 11 of both sides through third coupling assembling 15 on to on transmitting the power to pull rod assembly 4, and then guarantee truss mechanism 2 relative stability in position.
Referring to fig. 1 and 7, further, the main rope assembly 3 includes an anchor pier 31, a lifting assembly 32, a first main rope 33 and a second main rope 34, wherein the lifting assembly 32 is disposed on the anchor pier 31, the lifting assembly 32 is connected to the buoyancy tank mechanism 1, and both the first main rope 33 and the second main rope 34 are connected to the buoyancy tank mechanism 1. Specifically, the anchor piers 31 are symmetrically arranged on both sides of the river, the number and the spacing between the anchor piers are actually set according to the number of the first main ropes 33 and the second main ropes 34, the first main ropes 33 are arranged along the river direction and connected with the anchor piers 31 on both sides, the second main ropes 34 are arranged along the cross river direction and connected with the two anchor piers 31 symmetrically arranged, the lifting assembly 32 comprises a guide rail 321 vertically arranged and a sliding block 322 arranged on the guide rail 321, the pontoon mechanism 1 comprises a transition pontoon 17, one side of the transition pontoon 17 is provided with a second fixing part 172 connected with the sliding block 322, the other side is provided with a hanging lug 171 connected with the first main rope 33 and the second main rope 34, after the anchor piers 31 are installed, the transition pontoon 17 is connected with the sliding block 322 through the second fixing part 172, and then the first main ropes 33 and the second main ropes 34 are wound on the hanging lug 171, thereby realizing the connection between the first main ropes 33 and the second main ropes 34 and the anchor piers 31, when the buoyancy tank mechanism 1 ascends and descends along with the water level, the first main rope 33 and the second main rope 34 move up and down along with the lifting assembly 32, so that the buoyancy tank mechanism 1 ascends and descends along with the ascending and descending of the water level. It should be noted that the first main rope 33 and the second main rope 34 in this embodiment may be ropes such as steel ropes, nylon ropes, and straw ropes, and preferably, steel ropes are selected in this embodiment. In addition, the anchor pier 31 in this embodiment may also be a steel pier, a cement pier, a concrete pier or a pier made of other materials, as long as the guide rail 321 can be installed and the stability is good, and preferably, the anchor pier 31 in this embodiment is a concrete pier.
Referring to fig. 1, 2 and 8, the tie rod assembly 4 further includes a prestressed tie rod 41 and a buoyancy tank string connection conversion tie rod 42, the prestressed tie rod 41 is disposed on the buoyancy tank unit 11 and connected to the first main rope 33, and the buoyancy tank string connection conversion tie rod 42 is respectively connected to the buoyancy tank framework 12 and the second main rope 34. The prestressed pull rod 41 is arranged along the cross direction and connected with the first main rope 33, and can have a pulling effect on the first main rope 33, and the buoyancy tank framework 12 is a main stressed component along the river direction, and has a tensioning effect on the second main rope 34 through the buoyancy tank string connection conversion pull rod 42 arranged on the buoyancy tank framework.
With continued reference to fig. 2 and 8, further, the buoyancy tank string connection conversion pull rod 42 is provided with a telescopic adjuster 43, an extender 44, a turnbuckle 46 and a lock 45. The turnbuckle 46 can lengthen the length of the buoyancy tank string connection conversion pull rod 42 and adjust the internal force of the pull rod assembly 4, the lengthener 44 is arranged at two sides of the telescopic adjuster 43, the telescopic adjuster 43 is connected with the buoyancy tank string connection conversion pull rod 42 through the lengthener 44, the prestress pull rod 41 is connected with the first main rope 33 through the lock 45, the buoyancy tank string connection conversion pull rod 42 is connected with the second main rope 34 through the lock 45, so as to connect the first main rope 33, the second main rope 34 and the buoyancy tank mechanism 1 together, the telescopic adjuster 43 is used for adjusting the stress inside the pull rod assembly 4 connected between two adjacent second main ropes 34 and adjusting the stress inside two adjacent second main ropes 34 connected with the telescopic adjuster 43, so that the pull rod assembly 4 can be always in a tensioning state under the condition of temperature difference change, i.e. always to a certain tension on the second main rope 34.
With reference to fig. 8, the telescopic adjuster 43 further includes a housing 431, and a spring 432, a stopper 433 and a pushing block 434 disposed in the housing 431, wherein the buoyancy tank series connection conversion rod 42 is disposed through the housing 431. One end of the buoyancy tank string connection conversion pull rod 42 located on one side of the housing 431 is connected with the push block 434, and one end of the buoyancy tank string connection conversion pull rod 42 located on the other side of the housing 431 is inserted into the spring 432 and connected with the stopper 433. The length of the spring 432 is smaller than that of the housing 431, and when the tie rod assembly 4 is heated in the river direction, the overall length of the tie rod assembly is extended, and at this time, the stopper 433 moves towards the push block 434, and then the spring 432 rebounds to push against the stopper 433, so that the push block 434 is always attached to the housing 431. On the contrary, when the temperature of the tie rod assembly 4 is decreased along the river direction, the overall length of the tie rod assembly 4 is shortened, and at this time, the stopper 433 is far away from the push block 434, and then the spring 432 is compressed by the stopper 433, so that the push block 434 is always attached to the housing 431, and the whole tie rod assembly 4 is always in a tensioned state along the river direction.
Referring to fig. 2 and 3, further, the buoyancy tank mechanism 1 further includes an auxiliary safety rope 16, the auxiliary safety rope 16 is disposed along the first main rope 33 and connected to the buoyancy tank unit 11 and the second main rope 34, respectively, and the auxiliary safety rope 16 further enhances the stability of the floating platform.
Referring to fig. 2 and fig. 3, further, limiting plates 18 are disposed on two adjacent pontoon units 11 in the cross direction, the limiting plates 18 are disposed in a staggered manner and abut against each other, and the limiting plates 18 can reduce the shearing force between the pontoon units 11, thereby further enhancing the stability of the floating platform in the horizontal direction.
Referring to fig. 1 to 11, in the implementation, the anchor piers 31 are first installed on both banks as the connection fixing points of the first main rope 33 and the second main rope 34 on the water surface, after the first main rope 33 and the second main rope 34 are connected, the buoyancy tank framework 12 and the buoyancy tank string connection conversion pull rod 42 are installed, and the buoyancy tank unit 11 is installed, and the buoyancy tank framework 12 provides the connection fixing points of the buoyancy tank unit 11. By tensioning the buoyancy tank framework 12 and the buoyancy tank string connection conversion pull rod 42, force is transmitted to the second main ropes 34 arranged in the cross river direction, so that the shape of the second main ropes 34 is maintained. Then a transverse river direction arranged prestress pull rod 41 is installed, and the pulling force is transmitted to the first main rope 33 arranged along the river direction, so that a steel wire rope stress system is formed. And then, mounting a rigid truss platform on the buoyancy tank mechanism 1 to form a platform system in a scale, and finally mounting a solar photovoltaic panel on the platform system to build the photovoltaic power station on water.
Referring to fig. 1 to 11, the invention further provides an overwater photovoltaic power station, which comprises a photovoltaic module 5 and a floating platform, wherein the photovoltaic module 5 is composed of a solar photovoltaic panel, and the photovoltaic module 5 is arranged on the floating platform. As described above, the details are not repeated herein.
In summary, according to the floating platform and the above-water photovoltaic power station provided by the invention, the floating platform is a suspension cable flexible stress system, and the advantage that the suspension cable structure is suitable for a large-span structure is applied to the water surface, so that a structure system capable of bearing horizontal load and vertical load can be formed under the conditions that the water level drop exists on the water surface and the water surface is wide, and the floating platform has the advantages of good reliability, strong durability and good economy. After the truss platform is connected with the buoyancy tank mechanism 1, the truss platform stably floats on the water surface by means of buoyancy provided by the buoyancy tank mechanism 1, and the photovoltaic power station on the water can be obtained by installing the photovoltaic module 5 on the truss platform.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.

Claims (9)

1. A floating platform, comprising:
a buoyancy tank mechanism;
the truss mechanism is arranged on the buoyancy tank mechanism;
a main rope assembly disposed on the pontoon mechanism; and
the pull rod assembly is arranged on the buoyancy tank mechanism and connected with the main rope assembly;
wherein the buoyancy tank mechanism provides buoyancy to the main rope assembly and the drawbar assembly to keep the floating platform stable in the vertical direction, and the main rope assembly is tensioned by the drawbar assembly to keep the floating platform stable in the horizontal direction;
the main rope assembly includes:
a first main rope connected with the buoyancy tank mechanism; and
the second main rope is connected with the buoyancy tank mechanism;
the flotation tank mechanism includes:
the buoyancy tank unit is formed by connecting a plurality of buoyancy tanks in series;
the buoyancy tank framework is arranged on the buoyancy tank unit and connected with the second main rope;
the draw bar assembly includes:
the buoyancy tank string is connected with a conversion pull rod, and the buoyancy tank string connection conversion pull rod is respectively connected with the buoyancy tank framework and the second main rope;
further comprising:
the telescopic regulator is arranged on the conversion pull rod connected with the buoyancy tank string and used for keeping the pull rod assembly in a tensioning state;
the lengtheners are arranged on two sides of the telescopic regulator and are used for connecting the telescopic regulator and the buoyancy tank series connection conversion pull rod; and
and the locking device is arranged on the buoyancy tank string connection conversion pull rod and is used for connecting the buoyancy tank string connection conversion pull rod and the second main rope.
2. The flotation platform of claim 1, wherein the main rope assembly further comprises:
the anchoring pier is provided with a lifting assembly, and the buoyancy tank mechanism is connected with the lifting assembly;
when the buoyancy tank mechanism ascends and descends along with the water level, the first main rope and the second main rope move up and down along with the lifting assembly.
3. The flotation platform of claim 2, wherein the pontoon mechanism further comprises:
the first connecting assembly is arranged between the buoyancy tank units and used for connecting the buoyancy tank units;
the first connecting assembly comprises a first connecting plate and a pin shaft, the first connecting plate is provided with a first through hole matched with the pin shaft, the buoyancy tank framework is provided with a first fixing part, the first fixing part is provided with a cavity used for containing the first connecting plate, the first fixing part is provided with a second through hole consistent with the diameter of the first through hole, and the pin shaft penetrates through the first through hole and the second through hole so that the buoyancy tank units are connected together.
4. The flotation platform of claim 3, wherein the drawbar assembly further comprises:
the prestress pull rod is arranged on the buoyancy tank unit and connected with the first main rope.
5. The floating platform of claim 1, wherein the telescopic regulator comprises a housing, and a spring, a stop block and a push block arranged in the housing, and the buoyancy tank string connection conversion pull rod is arranged through the housing;
one end of the floating box string connected with the conversion rod, which is positioned on one side of the shell, is connected with the push block, and one end of the floating box string connected with the conversion rod, which is positioned on the other side of the shell, penetrates through the spring and is connected with the stop block.
6. The floating platform according to claim 3, wherein the buoyancy tank mechanism further comprises a second connecting assembly for connecting the buoyancy tank units, the second connecting assembly comprises a second connecting plate and a fixing bolt, the second connecting plate is arranged on the buoyancy tank framework, third through holes adapted to the fixing bolt are arranged at two ends of the second connecting plate, and two adjacent buoyancy tank units are connected together through the second connecting plate.
7. The flotation platform of claim 3, wherein the pontoon mechanism further comprises a third connection assembly comprising a third connection plate and a fourth connection plate, the fourth connection plate being provided with a kidney-shaped groove, the third connection plate being provided with a fourth through-hole that fits into the kidney-shaped groove.
8. The flotation platform of claim 3, wherein the pontoon mechanism further comprises auxiliary safety lines arranged in the first main line direction and connected to the pontoon unit and the second main line, respectively.
9. An above-water photovoltaic power plant comprising a photovoltaic module and a floating platform on which the photovoltaic module is disposed, characterized in that the floating platform is a floating platform according to any one of claims 1 to 8.
CN201910730251.8A 2019-08-08 2019-08-08 Floating platform and photovoltaic power plant on water Active CN110466706B (en)

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CN112339912A (en) * 2020-11-10 2021-02-09 合肥阳光新能源科技有限公司 Water surface photovoltaic anchoring system and design method thereof

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