CN108750014A - The support anchor structure and construction method of a kind of floating on water photovoltaic plant suitable for high water-level amplitude - Google Patents
The support anchor structure and construction method of a kind of floating on water photovoltaic plant suitable for high water-level amplitude Download PDFInfo
- Publication number
- CN108750014A CN108750014A CN201810734189.5A CN201810734189A CN108750014A CN 108750014 A CN108750014 A CN 108750014A CN 201810734189 A CN201810734189 A CN 201810734189A CN 108750014 A CN108750014 A CN 108750014A
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- Prior art keywords
- floating
- water
- photovoltaic plant
- anchor structure
- buoyancy tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000007667 floating Methods 0.000 title claims abstract description 63
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003643 water by type 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
- 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
Landscapes
- 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)
Abstract
The invention belongs to water conservancy and hydropower technical fields, more particularly, to a kind of the support anchor structure and construction method of the floating on water photovoltaic plant suitable for high water-level amplitude；The support anchor structure of the floating on water photovoltaic plant suitable for high water-level amplitude includes reinforced column, the reinforced column is arranged in around floating on water photovoltaic plant, the side of the reinforced column is equipped with the guide groove being vertically arranged, supporting constraint wheel is equipped in the guide groove being vertically arranged, the supporting constraint wheel connects buoyancy tank towards the one end for being oriented to channel opening, and the one end of the buoyancy tank far from supporting constraint wheel is connected to floating on water photovoltaic plant.The present invention provides a kind of support anchor structure of the floating on water photovoltaic plant suitable for high water-level amplitude, can solve range of stage it is larger in the case of floating on water photovoltaic plant anchorage problem, so as to build floating on water photovoltaic plant in the larger reservoir of range of stage, the water surface for increasing the reservoir utilizes area.
Description
Technical field
The invention belongs to water conservancy and hydropower technical fields, more particularly, to a kind of floating on water light suitable for high water-level amplitude
The support anchor structure and construction method of overhead utility.
Background technology
The photovoltaic plant of floating on water is generally built in waters surface such as river, lake, reservoir, beach, swags, has power generation effect
Rate is high, saves the advantages that cost of land.
The photovoltaic plant of current common floating on water, according to the site condition of its construction, be generally divided into water surface elevated type,
Water surface floating etc. is suitable for the depth of water region smaller less than 5 m or range of stage.
Floating on water photovoltaic plant connects floating system and anchoring body by anchor cable, can be divided into counterweight anchor system, special
Anchorage anchor system and stake anchor system apply in general to the case where range of stage is less than 5 m, if range of stage is larger, such as exist
Library water surface construction floats photovoltaic plant to pumped-storage power station up and down, and traditional anchor system can not be to floating on water photovoltaic plant
Effectively anchored.
Invention content
First purpose of the present invention is, for the deficiencies in the prior art, provides a kind of suitable for Large Water
The support anchor structure of the floating on water photovoltaic plant of luffing.
For this purpose, the above-mentioned purpose of the present invention is achieved through the following technical solutions：
A kind of support anchor structure of floating on water photovoltaic plant suitable for high water-level amplitude, it is described to be suitable for high water-level amplitude
The support anchor structure of floating on water photovoltaic plant include reinforced column, the reinforced column is arranged in water surface drift
Around floating photovoltaic plant, the side of the reinforced column is equipped with the guide groove being vertically arranged, described to be vertically arranged
Supporting constraint wheel is equipped in guide groove, the supporting constraint wheel connects buoyancy tank towards the one end for being oriented to channel opening, and the buoyancy tank is remote
One end from supporting constraint wheel is connected to floating on water photovoltaic plant.
High water-level amplitude referred to above refers to：Level changing amplitude is not less than the situation of 5 m.Using above-mentioned technical proposal
While, the present invention can also be used or be combined using technical solution further below：
Preferably, the guide groove is being equipped with C-type steel positioned opposite in the both sides of its opening；C-type positioned opposite
Supporting constraint wheel is equipped in steel.
Preferably, the side of the reinforced column connects drag-line, and the drag-line, which is connected to, to cast anchor on concrete block.
Preferably, the side of the reinforced column connects drag-line, and the drag-line is connected on anchoring steel-pipe pile.
Preferably, the buoyancy tank and floating on water photovoltaic plant are respectively equipped with otic placode, two otic placodes in the junction of the two
Between pass through connecting shaft to realize the connection of buoyancy tank and floating on water photovoltaic plant.
Preferably, the supporting constraint wheel and buoyancy tank are respectively equipped with otic placode in the junction of the two, are passed through between two otic placodes
Connecting shaft is to realize the connection of supporting constraint wheel and buoyancy tank.
The present invention also provides a kind of applying for support anchor structure of the floating on water photovoltaic plant suitable for high water-level amplitude
Work method.
For this purpose, the above-mentioned purpose of the present invention is achieved through the following technical solutions：
A kind of construction method of the support anchor structure of floating on water photovoltaic plant suitable for high water-level amplitude, it is described to be suitable for
The construction method of the support anchor structure of the floating on water photovoltaic plant of high water-level amplitude is previously described suitable for realizing establishing
The support anchor structure of floating on water photovoltaic plant for high water-level amplitude, the floating on water suitable for high water-level amplitude
The construction method of the support anchor structure of photovoltaic plant includes：Reinforced column is anchored in the water-bed soil body, anchorage depth
Generally the 1/4 of the column length of reinforced column；When the bottom is batholith, reinforced column can be placed directly on batholith
Face；Reserved guide groove on multiple sides of reinforced column, floating on water photovoltaic plant by be arranged in guide groove
The buoyancy tank that supporting constraint wheel is connected is to realize as SEA LEVEL VARIATION is freely lifted, and level changing amplitude is unrestricted；It is described
Round or rectangular cross section may be used in reinforced column, and its structural shape and size are both needed to consider reinforced column
Highly, the factor of buoyancy tank pulling force and residing water environment Wave power influences；The buoyancy tank is motorless buoyant means, and is set
It is convex close to one end of reinforced column to set buoyancy tank, causes buoyancy tank to lean on when freely swinging under floating state to avoid buoyancy tank
The case where one end of nearly reinforced column generates collision with reinforced column or squeezes and damage.
The present invention provides support anchor structure and the construction of a kind of floating on water photovoltaic plant suitable for high water-level amplitude
Method, can efficiently solve range of stage it is larger in the case of floating on water photovoltaic plant anchorage problem, so as to
Floating on water photovoltaic plant is built in the larger reservoir of range of stage, the water surface for increasing the reservoir utilizes area.
Description of the drawings
Fig. 1 is a kind of support anchoring knot of floating on water photovoltaic plant suitable for high water-level amplitude provided by the present invention
The floor map of structure；
Fig. 2 is a kind of support anchor structure of floating on water photovoltaic plant suitable for high water-level amplitude provided by the present invention
Connection diagram；
Fig. 3 is the anchoring schematic diagram of reinforced column；
In figure：1- floating on water photovoltaic plants；2- reinforced columns；210- guide grooves；211-C shaped steel；212- supporting constraints
Wheel；3- buoyancy tanks；4- otic placodes；5- connecting shafts；6- drag-lines；7- casts anchor concrete block.
Specific implementation mode
The present invention is described in further detail with reference to the drawings and specific embodiments.
A kind of support anchor structure of floating on water photovoltaic plant suitable for high water-level amplitude, including reinforced column
2, reinforced column 2 is arranged in around floating on water photovoltaic plant 1, and the side of reinforced column 2 is equipped with vertical cloth
The guide groove 210 set, is equipped with supporting constraint wheel 212 in the guide groove 210 being vertically arranged, and supporting constraint wheel 212 is towards guide groove
One end of 210 openings connects buoyancy tank 3, and the one end of buoyancy tank 3 far from supporting constraint wheel 212 is connected to floating on water photovoltaic plant 1.
Guide groove 210 is being equipped with C-type steel 211 positioned opposite in the both sides of its opening；C-type steel positioned opposite
Interior limit has supporting constraint wheel 212.
Buoyancy tank 3 and floating on water photovoltaic plant 1 are respectively equipped with otic placode 4 in the junction of the two, the company of passing through between two otic placodes 4
Spindle 5 is to realize the connection of buoyancy tank 3 and floating on water photovoltaic plant 1；Supporting constraint wheel 212 and buoyancy tank 3 are in the junction of the two
It is respectively equipped with otic placode 4, passes through connecting shaft 5 to realize the connection of supporting constraint wheel 212 and buoyancy tank 3 between two otic placodes 4.
The side connection drag-line 6 of reinforced column 2 is connected drag-line by suspension hook when drag-line 6 is located at the bottom of reservoir
It is connected to and casts anchor on concrete block 7；When drag-line is located at the bank of reservoir, drag-line is connected on anchoring steel-pipe pile by suspension hook；
It is, of course, also possible to according to actual demand, a plurality of drag-line is set at the different elevations of reinforced column, to improve reinforced concrete
The stress and deformation at the column bottom of earth pillar, reduce the size of cylinder, reach the optimization of Technological Economy.
A kind of construction method of the support anchor structure of floating on water photovoltaic plant suitable for high water-level amplitude, including：
Reinforced column is anchored in the water-bed soil body, anchorage depth is generally the 1/4 of the column length of reinforced column；When the bottom is
When batholith, reinforced column can be placed directly within above batholith；Reserved guide groove on multiple sides of reinforced column,
Floating on water photovoltaic plant is by the buoyancy tank that is connected with the supporting constraint wheel being arranged in guide groove to realize with SEA LEVEL VARIATION
It is freely lifted, and level changing amplitude is unrestricted；Round or rectangular cross section, and its structure may be used in reinforced column
Pattern and size be both needed to consider the height of reinforced column, buoyancy tank pulling force and residing water environment Wave power factor shadow
It rings；Buoyancy tank is motorless buoyant means, and setting buoyancy tank is convex close to one end of reinforced column, exists to avoid buoyancy tank
Caused when freely swinging under floating state buoyancy tank close to one end of reinforced column and reinforced column generate collision or
The case where squeezing and damaging.
After overall package is complete on the bank, buoyancy tank is connected to by connecting shaft using the otic placode of end in water, when floating on water light
When overhead utility is lifted with SEA LEVEL VARIATION, buoyancy tank support supporting constraint wheel and is also risen in the guide groove of reinforced column therewith
Drop movement, to ensure that level is swum on the water surface entire photovoltaic panel always.
Above-mentioned specific implementation mode is used for illustrating the present invention, is merely a preferred embodiment of the present invention, rather than to this
Invention is limited, and in the protection domain of spirit and claims of the present invention, to any modification of the invention made, is equal
Replace, improve etc., both fall within protection scope of the present invention.
Claims (7)
1. a kind of support anchor structure of floating on water photovoltaic plant suitable for high water-level amplitude, which is characterized in that described suitable
The support anchor structure of floating on water photovoltaic plant for high water-level amplitude includes reinforced column, the armored concrete
Column is arranged in around floating on water photovoltaic plant, and the side of the reinforced column is equipped with the guide groove being vertically arranged,
Supporting constraint wheel is equipped in the guide groove being vertically arranged, the supporting constraint wheel is floating towards one end connection for being oriented to channel opening
Case, the one end of the buoyancy tank far from supporting constraint wheel are connected to floating on water photovoltaic plant.
2. the support anchor structure of the floating on water photovoltaic plant according to claim 1 suitable for high water-level amplitude,
It is characterized in that, the guide groove is being equipped with C-type steel positioned opposite in the both sides of its opening；C-type steel positioned opposite
It is interior to be equipped with supporting constraint wheel.
3. the support anchor structure of the floating on water photovoltaic plant according to claim 1 suitable for high water-level amplitude,
It is characterized in that, the side of the reinforced column connects drag-line, and the drag-line, which is connected to, to cast anchor on concrete block.
4. the support anchor structure of the floating on water photovoltaic plant according to claim 1 suitable for high water-level amplitude,
It is characterized in that, the side of the reinforced column connects drag-line, and the drag-line is connected on anchoring steel-pipe pile.
5. the support anchor structure of the floating on water photovoltaic plant according to claim 1 suitable for high water-level amplitude,
It is characterized in that, the buoyancy tank and floating on water photovoltaic plant are respectively equipped with otic placode in the junction of the two, are passed through between two otic placodes
Connecting shaft is to realize the connection of buoyancy tank and floating on water photovoltaic plant.
6. the support anchor structure of the floating on water photovoltaic plant according to claim 1 suitable for high water-level amplitude,
It is characterized in that, the supporting constraint wheel and buoyancy tank are respectively equipped with otic placode in the junction of the two, and connecting shaft is passed through between two otic placodes
To realize the connection of supporting constraint wheel and buoyancy tank.
7. a kind of construction method of the support anchor structure of floating on water photovoltaic plant suitable for high water-level amplitude, feature exist
In the construction method of the support anchor structure of the floating on water photovoltaic plant suitable for high water-level amplitude is for realizing foundation
The support anchor structure of the floating on water photovoltaic plant suitable for high water-level amplitude described in any one of claim 1-6,
The construction method of the support anchor structure of the floating on water photovoltaic plant suitable for high water-level amplitude includes：By reinforced concrete
Earth pillar is anchored in the water-bed soil body, and anchorage depth is generally the 1/4 of the column length of reinforced column；When the bottom is batholith, steel
Reinforced concrete column can be placed directly within above batholith；Reserved guide groove, floating on water on multiple sides of reinforced column
Photovoltaic plant by the buoyancy tank being connected with the supporting constraint wheel being arranged in guide groove to realize as SEA LEVEL VARIATION is freely lifted,
And level changing amplitude is unrestricted；Round or rectangular cross section, and its structural shape may be used in the reinforced column
And size is both needed to consider that the factor of the height of reinforced column, buoyancy tank pulling force and residing water environment Wave power influences；Institute
It is motorless buoyant means to state buoyancy tank, and setting buoyancy tank is convex close to one end of reinforced column, exists to avoid buoyancy tank
Caused when freely swinging under floating state buoyancy tank close to one end of reinforced column and reinforced column generate collision or
The case where squeezing and damaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810734189.5A CN108750014A (en) | 2018-07-06 | 2018-07-06 | The support anchor structure and construction method of a kind of floating on water photovoltaic plant suitable for high water-level amplitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810734189.5A CN108750014A (en) | 2018-07-06 | 2018-07-06 | The support anchor structure and construction method of a kind of floating on water photovoltaic plant suitable for high water-level amplitude |
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| Publication Number | Publication Date |
|---|---|
| CN108750014A true CN108750014A (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810734189.5A Pending CN108750014A (en) | 2018-07-06 | 2018-07-06 | The support anchor structure and construction method of a kind of floating on water photovoltaic plant suitable for high water-level amplitude |
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| CN (1) | CN108750014A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670446A (en) * | 2019-10-28 | 2020-01-10 | 苏州园林发展股份有限公司 | Body-building footpath structure capable of automatically lifting |
| CN112606952A (en) * | 2020-12-29 | 2021-04-06 | 南通大学 | Mooring positioning device for wharf boat or structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101162473B1 (en) * | 2011-08-19 | 2012-07-03 | 한국수자원공사 | A photovoltaic power generator with variable supporting rope |
| KR101642387B1 (en) * | 2015-12-07 | 2016-07-26 | 운지파워텍(주) | Floating solar power generating system |
| KR101682856B1 (en) * | 2016-05-12 | 2016-12-12 | 운지파워텍(주) | Flexible type floating solar power generating system |
| CN107140142A (en) * | 2017-06-05 | 2017-09-08 | 宿州诺亚坚舟光伏科技有限公司 | A kind of anchor system of water floating body array |
| CN107651113A (en) * | 2017-09-30 | 2018-02-02 | 长江勘测规划设计研究有限责任公司 | Adapt to big luffing, the water surface photovoltaic anchor system in high flow rate waters and design and construction method |
| CN207129103U (en) * | 2017-08-22 | 2018-03-23 | 协鑫电力设计研究有限公司 | A kind of floating on water surface anchor |
| CN208559697U (en) * | 2018-07-06 | 2019-03-01 | 中国电建集团华东勘测设计研究院有限公司 | A kind of support anchor structure of floating on water photovoltaic plant |
-
2018
- 2018-07-06 CN CN201810734189.5A patent/CN108750014A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101162473B1 (en) * | 2011-08-19 | 2012-07-03 | 한국수자원공사 | A photovoltaic power generator with variable supporting rope |
| KR101642387B1 (en) * | 2015-12-07 | 2016-07-26 | 운지파워텍(주) | Floating solar power generating system |
| KR101682856B1 (en) * | 2016-05-12 | 2016-12-12 | 운지파워텍(주) | Flexible type floating solar power generating system |
| CN107140142A (en) * | 2017-06-05 | 2017-09-08 | 宿州诺亚坚舟光伏科技有限公司 | A kind of anchor system of water floating body array |
| CN207129103U (en) * | 2017-08-22 | 2018-03-23 | 协鑫电力设计研究有限公司 | A kind of floating on water surface anchor |
| CN107651113A (en) * | 2017-09-30 | 2018-02-02 | 长江勘测规划设计研究有限责任公司 | Adapt to big luffing, the water surface photovoltaic anchor system in high flow rate waters and design and construction method |
| CN208559697U (en) * | 2018-07-06 | 2019-03-01 | 中国电建集团华东勘测设计研究院有限公司 | A kind of support anchor structure of floating on water photovoltaic plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670446A (en) * | 2019-10-28 | 2020-01-10 | 苏州园林发展股份有限公司 | Body-building footpath structure capable of automatically lifting |
| CN112606952A (en) * | 2020-12-29 | 2021-04-06 | 南通大学 | Mooring positioning device for wharf boat or structure |
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