CN113120160B - Anchoring structure for floating box type floating photovoltaic power generation platform and construction method - Google Patents
Anchoring structure for floating box type floating photovoltaic power generation platform and construction method Download PDFInfo
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- CN113120160B CN113120160B CN202110467480.2A CN202110467480A CN113120160B CN 113120160 B CN113120160 B CN 113120160B CN 202110467480 A CN202110467480 A CN 202110467480A CN 113120160 B CN113120160 B CN 113120160B
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- 238000004873 anchoring Methods 0.000 title claims abstract description 67
- 238000007667 floating Methods 0.000 title claims abstract description 40
- 238000010248 power generation Methods 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 230000007704 transition Effects 0.000 claims abstract description 28
- 238000013016 damping Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000004033 plastic Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4453—Floating structures carrying electric power plants for converting solar energy into electric energy
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Photovoltaic Devices (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an anchoring structure for a floating photovoltaic power generation platform of a floating tank type and a construction method, wherein the anchoring structure comprises an anchoring floating tank mechanism, a floating tank hinge, a transition floating tank and an anchoring system; the pontoon hinge device is of a rectangular frame structure and consists of a first round bar, a second round bar, a third round bar and a fourth round bar which are sequentially connected, and the anchoring pontoon mechanism is sleeved on the first round bar and can rotate around the axis of the first round bar; the third round rod of the pontoon hinge device is connected to the transition buoyancy tank and can rotate relative to the transition buoyancy tank around a rotation axis, and the rotation axis is perpendicular to the axis of the third round rod; the transition buoyancy tank is connected with the floating photovoltaic power generation platform; the anchoring system is disposed on the anchoring buoy mechanism. The anchoring structure has the characteristics of strong anchoring capability, reasonable stress, simple and convenient maintenance, high reliability, capacity of eliminating waves to protect the square matrix and the like.
Description
Technical Field
The invention relates to an anchoring technology of a photovoltaic power generation structure on water, in particular to an anchoring structure which is convenient to maintain, reasonable in stress and has a wave-dissipating function and a construction method thereof.
Background
In recent years, the photovoltaic power generation on water is very rapid in development due to the advantages of no occupation of land area, high power generation efficiency and the like. However, as the scale of photovoltaic power generation platforms on water continues to increase, traditional platform anchoring systems become more complex. The number of anchor ropes required in the existing anchoring system is large, the installation is complicated, the construction quality is poor, and the initial force of the anchor ropes is difficult to reach a design value. As the anchoring time increases, the difference of the tension of the anchor rope gradually increases, so that the anchoring effect is poor, the anchoring force is easy to concentrate, and the anchor rope has higher risk of failure due to damage.
At present, an anchor rope and a buoyancy tank are directly connected in an anchoring system of the floating box type floating photovoltaic power generation platform on water, and the buoyancy tank at the joint is not designed or specially treated independently, so that the buoyancy tank at the joint of the anchor rope is unreasonable in stress and easy to cause stress concentration, thereby causing the problems of buoyancy tank damage or anchoring failure and the like.
The existing anchoring system of the photovoltaic on water cannot adapt to the influence caused by water level change. The anchoring maintenance work caused by the water level change is heavy, and manual underwater treatment is needed, so that higher anchoring maintenance cost is generated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an anchoring structure for a floating photovoltaic power generation platform and a construction method thereof.
The technical scheme adopted by the invention is as follows: an anchoring structure for a floating-box type floating photovoltaic power generation platform, comprising
An anchor buoy mechanism;
the buoy hinge is of a rectangular frame structure and consists of a first round rod, a second round rod, a third round rod and a fourth round rod which are sequentially connected, and the anchoring buoy mechanism is sleeved on the first round rod and can rotate around the axis of the first round rod;
the third round rod of the pontoon hinge device is connected to the transition pontoon and can rotate around a rotation axis relative to the transition pontoon, and the rotation axis is perpendicular to the axis of the third round rod; the transition buoyancy tank is connected with the floating photovoltaic power generation platform; the method comprises the steps of,
and the anchoring system is arranged on the anchoring buoy mechanism.
Further, the anchoring buoy mechanism comprises:
the first buoy is of a cylindrical structure, and the anchoring system is arranged on the first buoy;
the connecting plate is of a rectangular structure; the method comprises the steps of,
the second pontoon is of a hollow cylindrical structure and is sleeved on the first round rod;
the first pontoon and the second pontoon are respectively connected with two sides of the long side of the connecting plate, and the axes of the first pontoon and the second pontoon are parallel to the long side of the connecting plate.
Further, a round hole is formed in the center of the connecting plate, an inverted circular truncated cone-shaped damping pool extends downwards along the periphery of the round hole, the damping pool comprises side walls, and the top and the bottom of the damping pool are both open.
Further, the diameter of the bottom of the damping pool is one half of the diameter of the round hole.
Further, a third round rod of the pontoon hinge is connected to the transition buoyancy tank through a connecting bearing, and an inner ring and an outer ring of the connecting bearing are fixedly connected with the third round rod and the transition buoyancy tank respectively; the axis of the connecting bearing coincides with the axis of rotation.
Further, a steel plate is arranged on one side, connected with the pontoon hinge, of the transition pontoon.
Further, the anchoring system comprises:
the anchor rope fixing pile is fixedly connected to a first pontoon of the anchoring pontoon mechanism; the method comprises the steps of,
and the anchor rope is wound on the anchor rope fixing pile.
The invention adopts another technical scheme that: the construction method of the anchoring structure for the floating photovoltaic power generation platform comprises the following steps of:
step 1, prefabricating an anchoring structure on land;
step 2, placing the prefabricated anchoring structure at an installation position, and connecting a buoyancy tank of the floating photovoltaic power generation platform with the transition buoyancy tank;
and 3, after the anchor rope is pulled to a set length, winding and fixing the anchor rope on the anchor rope fixing pile.
The beneficial effects of the invention are as follows:
an anchoring structure for a floating box type floating photovoltaic power generation platform provides two degrees of freedom, reduces bending moment and stress of the anchoring structure, enables stress to be more reasonable, and accordingly enhances reliability of the structure.
Because the dumbbell-shaped floating body and the damping pool are formed by adopting the floating barrels with double cylindrical shapes, the structure has certain wave eliminating capacity so as to reduce wave load borne by the photovoltaic platform.
Because the anchor rope anchoring pile is arranged, the anchor rope is fixed on the anchor pile, the length and the anchor force of the anchor rope are convenient to adjust, and the maintenance difficulty and the workload of the anchor rope are reduced.
Drawings
Fig. 1: the anchoring structure schematic diagram of the floating photovoltaic power generation platform is used for a floating box type floating photovoltaic power generation platform;
the drawings are marked:
1-anchoring buoy mechanism; 11—a first pontoon;
12-connecting plate; 13-a second pontoon;
2-anchor rope fixing piles; 3, a damping pool;
4-pontoon hinge; 5-connecting the bearings;
6, a transition buoyancy tank; 7-anchor line.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which: a step of
As shown in fig. 1, an anchoring structure for a floating box type floating photovoltaic power generation platform comprises an anchoring pontoon mechanism 1, a pontoon hinge 4, a damping pool 3, a connecting bearing 5, a transitional pontoon 6 and an anchoring system.
The anchoring pontoon mechanism 1 is an integrally thermoplastic plastic pontoon, and comprises a first pontoon 11, a connecting plate 12 and a second pontoon 13, wherein the inner cabins of the first pontoon 11, the connecting plate 12 and the second pontoon 13 are not communicated; the first pontoon 11 is cylindrical structure, the second pontoon 13 is hollow cylindrical structure, the connecting plate 12 is rectangular structure, first pontoon 11 with second pontoon 13 is connected respectively the long limit both sides of connecting plate 12, and, first pontoon 11 with the axis of second pontoon 13 all with the long limit of connecting plate 12 is parallel, constitutes dumbbell-shaped pontoon. Wherein the diameter of the first pontoon 11 is the same as the outer diameter of the second pontoon 13, and the inner diameter of the second pontoon 13 is the same as the diameter of the first circular rod of the pontoon hinge 4; a round hole is formed in the center of the connecting plate 12, and the diameter of the round hole is smaller than the length of the short side of the connecting plate 12. An inverted circular truncated cone-shaped damping pool 3 extends downwards along the periphery of the circular hole, the damping pool 3 comprises side walls, the top and the bottom of the damping pool 3 are both open and made of plastic curved plates, and the upper end of the damping pool 3 is thermoplastic integrated with a connecting plate 12 in the anchoring buoy mechanism 1; the bottom diameter of the damping pool 3 is one half of the diameter of the round hole, and the depth of the damping pool 3 is calculated and set according to local wave conditions.
The pontoon articulated device 4 is of a rectangular frame structure and consists of a first round rod, a second round rod, a third round rod and a fourth round rod which are welded in sequence, wherein the first round rod, the second round rod, the third round rod and the fourth round rod are all steel pipes. The length of the first round rod and the second round rod is larger than that of the second pontoon 13, and the second pontoon 13 can be sleeved on the first round rod, so that the first round rod is used as a hinge shaft, and the anchoring pontoon mechanism 1 can rotate around the axis of the first round rod. The third round bar of the pontoon hinge 4 is connected to the transition buoyancy tank 6 and can rotate around a rotation axis relative to the transition buoyancy tank 6, the rotation axis is perpendicular to the axis of the third round bar, in this embodiment, the pontoon hinge 4 is connected with the transition buoyancy tank 6 by using a connection bearing 5, the connection bearing 5 is a steel bearing, an inner ring and an outer ring of the connection bearing 5 are respectively fixedly connected with the third round bar and the transition buoyancy tank 6, and the axis of the connection bearing 5 coincides with the rotation axis, so that the pontoon hinge 4 and the transition buoyancy tank 6 can rotate relatively.
The transition buoyancy tank 6 is used for the transition connection between the buoyancy tank of the floating photovoltaic power generation platform and the anchoring structure, the appearance is basically consistent with that of the buoyancy tank of the floating photovoltaic power generation platform, but the side surface facing the anchoring structure is riveted with a steel plate for welding and fixedly connecting the bearing 5.
The anchoring system comprises anchor line securing piles 2 and anchor lines 7. The anchor rope fixing pile 2 is formed by welding stainless steel pipes, consists of a cross rod and two vertical rods, is fixed on the first pontoon 11 of the anchor pontoon mechanism 1 through rivets, and performs waterproof treatment at the joint. The anchor ropes 7 are stainless steel wire ropes, each anchor structure is provided with two anchor ropes 7, and the anchor ropes 7 are wound on the anchor rope fixing piles 2 and then connected and fixed through wire rope buckles.
In the embodiment, in the anchoring pontoon mechanism 1, the wall thickness of the plastic is 20mm, the first pontoon 11 is 2m long and has a diameter of 0.5m, the second pontoon 13 is 2m long, the inner diameter is 0.12m, the connecting plate 12 is 1.3m long, the width is 0.8m, the thickness is 0.2m, and the opening diameter is 0.7m; the diameter of a steel pipe used for the anchor rope fixing pile 2 is 0.18m, the length of a vertical rod is 0.55m, the distance is 1.3m, the length of a cross rod is 2m, and the wall thickness is 3mm; the thickness of the plastic wall of the damping pool 3 is 20mm, the upper opening is 0.7m, the lower opening is 0.35m, and the height is 1m; the diameter of the steel pipe of the pontoon articulated device 4 is 0.12m, the wall thickness is 2mm, the length of the rectangular frame is 2.2m, and the width is 0.4m; the diameter of the connecting bearing 5 is 0.1m; the transition buoyancy tank 6 is a cuboid buoyancy tank, and has a length of 2m, a width of 0.45m and a height of 0.3m, and a steel plate for welding and fixedly connecting the bearing 5 has a length of 0.3m, a width of 0.3m and a thickness of 2mm.
The construction method of the anchoring structure for the floating photovoltaic power generation platform comprises the following steps:
step 1, carrying out standardized land prefabrication on an anchoring pontoon mechanism 1, an anchor rope fixing pile 2, a damping pool 3, a pontoon hinge 4, a connecting bearing 5 and a transitional pontoon 6;
step 2, placing the prefabricated anchoring structure at an installation position, and connecting a buoyancy tank of the floating photovoltaic power generation platform with the transitional buoyancy tank 6 through bolts;
and 3, after the anchor rope 7 is pulled to a proper length, the anchor rope is wound on the anchor rope fixing pile 2 and then is connected and fixed by using a steel wire rope fastener.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are within the scope of the present invention.
Claims (6)
1. An anchoring structure for a floating-box type floating photovoltaic power generation platform, comprising
An anchor buoy mechanism (1);
the pontoon hinge device (4) is of a rectangular frame structure and consists of a first round rod, a second round rod, a third round rod and a fourth round rod which are sequentially connected, and the anchoring pontoon mechanism (1) is sleeved on the first round rod and can rotate around the axis of the first round rod;
a transition buoyancy tank (6), a third round bar of the pontoon hinge (4) being connected to the transition buoyancy tank (6) and being rotatable relative to the transition buoyancy tank (6) about a rotation axis, the rotation axis being perpendicular to the axis of the third round bar; the transition buoyancy tank (6) is connected with the floating photovoltaic power generation platform; the method comprises the steps of,
an anchoring system provided on the anchoring buoy mechanism (1);
wherein the anchoring buoy mechanism (1) comprises:
the first pontoon (11), the first pontoon (11) is of a cylindrical structure, and the anchoring system is arranged on the first pontoon (11);
the connecting plate (12), the connecting plate (12) is of a rectangular structure; the method comprises the steps of,
the second pontoon (13), the said second pontoon (13) is hollow cylindrical structure, the said second pontoon (13) is set up on the said first round bar;
the first pontoon (11) and the second pontoon (13) are respectively connected to the two sides of the long side of the connecting plate (12), and the axes of the first pontoon (11) and the second pontoon (13) are parallel to the long side of the connecting plate (12);
the third round rod of the pontoon hinge device (4) is connected to the transition buoyancy tank (6) through a connecting bearing (5), and the inner ring and the outer ring of the connecting bearing (5) are fixedly connected with the third round rod and the transition buoyancy tank (6) respectively; the axis of the connecting bearing (5) coincides with the rotation axis.
2. The anchoring structure for a floating photovoltaic power generation platform according to claim 1, wherein a circular hole is formed in the center of the connecting plate (12), an inverted truncated cone-shaped damping pool (3) extends downwards along the periphery of the circular hole, the damping pool (3) comprises side walls, and the top and bottom of the damping pool (3) are both open.
3. Anchoring structure for floating box type floating photovoltaic power generation platform according to claim 2, characterized in that the bottom diameter of the damping pool (3) is half the diameter of the circular hole.
4. Anchoring structure for floating photovoltaic power generation platforms of the pontoon type according to claim 1, characterized in that the side of the transition pontoon (6) connected to the pontoon hinge (4) is provided with a steel plate.
5. The anchoring structure for a floating photovoltaic power generation platform of claim 1, wherein the anchoring system comprises:
the anchor rope fixing pile (2) is fixedly connected to a first pontoon (11) of the anchor pontoon mechanism (1); the method comprises the steps of,
and the anchor rope (7) is wound on the anchor rope fixing pile (2).
6. Construction method based on the anchoring structure for floating photovoltaic power generation platforms of the floating tank type according to any of the previous claims 1 to 5, characterized by comprising the following steps:
step 1, prefabricating an anchoring structure on land;
step 2, placing the prefabricated anchoring structure at an installation position, and connecting a buoyancy tank of a floating photovoltaic power generation platform with a transition buoyancy tank (6);
and 3, after the anchor rope (7) is pulled to a set length, winding and fixing the anchor rope on the anchor rope fixing pile (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110467480.2A CN113120160B (en) | 2021-04-28 | 2021-04-28 | Anchoring structure for floating box type floating photovoltaic power generation platform and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110467480.2A CN113120160B (en) | 2021-04-28 | 2021-04-28 | Anchoring structure for floating box type floating photovoltaic power generation platform and construction method |
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| CN113120160B true CN113120160B (en) | 2024-04-02 |
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| CN113998062A (en) * | 2021-11-04 | 2022-02-01 | 西安热工研究院有限公司 | Anchoring system of floating photovoltaic power generation platform and construction method thereof |
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| KR20110137929A (en) * | 2010-06-18 | 2011-12-26 | (주)대우건설 | Wire system for sea neighboring mooring of floating structure |
| KR101421889B1 (en) * | 2013-03-06 | 2014-07-23 | 주형중 | Mooring System for Floated Solar Energy Generating Structure |
| CN105871308A (en) * | 2016-04-01 | 2016-08-17 | 阳光电源股份有限公司 | Floating-type photovoltaic power station and anchor system thereof |
| CN106741698A (en) * | 2017-01-09 | 2017-05-31 | 中国电建集团中南勘测设计研究院有限公司 | It is a kind of to draw anchor system and its floating photovoltaic plant under water |
| CN215706955U (en) * | 2021-04-28 | 2022-02-01 | 中国三峡新能源(集团)股份有限公司 | A anchor structure for flotation photovoltaic power generation platform of flotation tank formula |
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- 2021-04-28 CN CN202110467480.2A patent/CN113120160B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110137929A (en) * | 2010-06-18 | 2011-12-26 | (주)대우건설 | Wire system for sea neighboring mooring of floating structure |
| KR101421889B1 (en) * | 2013-03-06 | 2014-07-23 | 주형중 | Mooring System for Floated Solar Energy Generating Structure |
| CN105871308A (en) * | 2016-04-01 | 2016-08-17 | 阳光电源股份有限公司 | Floating-type photovoltaic power station and anchor system thereof |
| CN106741698A (en) * | 2017-01-09 | 2017-05-31 | 中国电建集团中南勘测设计研究院有限公司 | It is a kind of to draw anchor system and its floating photovoltaic plant under water |
| CN215706955U (en) * | 2021-04-28 | 2022-02-01 | 中国三峡新能源(集团)股份有限公司 | A anchor structure for flotation photovoltaic power generation platform of flotation tank formula |
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