CN107152380B - Fan blade retractable ocean generator - Google Patents

Fan blade retractable ocean generator Download PDF

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Publication number
CN107152380B
CN107152380B CN201710493616.0A CN201710493616A CN107152380B CN 107152380 B CN107152380 B CN 107152380B CN 201710493616 A CN201710493616 A CN 201710493616A CN 107152380 B CN107152380 B CN 107152380B
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CN
China
Prior art keywords
fan blade
sliding block
blade
arc
fan
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Application number
CN201710493616.0A
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Chinese (zh)
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CN107152380A (en
Inventor
姚震球
姚潇
周伟楠
郭琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University of Science and Technology
Marine Equipment and Technology Institute Jiangsu University of Science and Technology
Original Assignee
Jiangsu University of Science and Technology
Marine Equipment and Technology Institute Jiangsu University of Science and Technology
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Publication of CN107152380A publication Critical patent/CN107152380A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/30Wind motors specially adapted for installation in particular locations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06Rotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/25Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/90Mounting on supporting structures or systems
    • F05B2240/95Mounting on supporting structures or systems offshore
    • 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
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/70Wind energy
    • Y02E10/727Offshore wind turbines

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)

Abstract

The invention relates to a fan blade retractable ocean generator, which comprises a bottom platform and a tower column standing in the center of the platform, wherein a fan blade lifting device is arranged in the tower column, the fan blade lifting device comprises a main shaft and a secondary shaft which are coaxially arranged, three sliding blocks are uniformly distributed at the top end of the secondary shaft and are radially distributed, a hub structure for expanding and contracting the fan blade is also arranged in the sliding blocks, and the fan blade is fixedly connected with the hub structure through a fan blade rod; the outer sides of the sliding blocks are provided with arc grooves, so that the hub can conveniently drive the blade rods of the fan blades to expand and contract along the grooves; the tower column is provided with a sliding groove matched with the sliding block, and the sliding block can ascend or descend along the sliding groove. The invention has the advantages that: when typhoons, storm and sudden weather changes are encountered, the telescopic fan blades can be contracted and folded and fall onto the platform through the lifting device; after typhoons or storm passes, the lifting device lifts the wind blade to the high altitude again, and the wind blade is unfolded to generate wind power.

Description

Fan blade retractable ocean generator
Technical Field
The invention belongs to the technical field of offshore wind power generation, and particularly relates to a wind blade retractable type sea
Ocean generators.
Background
With the development of economy and society, the more and more energy is required for production and life, the wind power generation is the fastest growing green energy technology in the world, large wind power generation fields are built on coastal islands and nearby islands in China, but fewer wind power generation fields are built in open sea, wind direction changeable areas and storm zones.
At present, most wind generating sets are horizontal axis wind driven generators or vertical axis wind driven generators, the fan blades are fixed, the transportation and the maintenance are not easy, and faults are easy to occur when typhoons and storm occur.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fan blade retractable ocean generator, which adopts retractable fan blades, and when typhoons, storm and weather mutation occur, the fan blades can be retracted and folded and fall onto a platform through a lifting device; after typhoons or storm passes, the lifting device lifts the wind blade to the high altitude again, and the wind blade is unfolded to generate wind power.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a fan blade retractable ocean generator, includes a bottom platform and stands at the tower post in platform center, and its innovation point lies in: a fan blade lifting device is arranged in the tower column, the fan blade lifting device comprises a main shaft and a secondary shaft which are coaxially arranged, and the main shaft and the secondary shaft are sleeved and fixed through a notch; three sliding blocks are uniformly distributed at the top end of the secondary shaft and are radially distributed, a hub structure for expanding and contracting the fan blades is further arranged in the sliding blocks, and the fan blades are fixedly connected with the hub structure through fan blade rods; the outer side surface of each sliding block is provided with an arc-shaped groove, so that the hub can conveniently drive each fan blade rod to expand and contract along the arc-shaped groove; the tower column is provided with three sliding grooves matched with the three sliding blocks, and the sliding blocks can ascend or descend along the sliding grooves.
Further, a rubber layer is distributed on the inner periphery of the arc-shaped groove.
Further, the fan blade leaf pole is arc cylinder stock, the threaded connection section that arc cylinder stock was established to be connected with the wheel hub structure, and the other end is divided into two arc stock that the cross-section is semicircular along its axis, is provided with the fan blade between two arc stock that the cross-section is semicircular, and the both ends of fan blade are locked with semicircular arc stock through screw respectively.
Further, the fixing points for spreading the fan blades on the tower column are provided with positioning devices which can be close to the sliding block or far away from the sliding block, the positioning devices are provided with prefabricated round holes, locking bolts are arranged in the prefabricated round holes, and holes which do not penetrate through the sliding block are further formed in two sides of the sliding block, so that the locking bolts and the sliding block are conveniently fixed.
Further, grooves with a certain radian are arranged on two sides of the sliding block, and protrusions matched with the grooves are arranged on one side of the positioning device, which is in contact with the sliding block.
The invention has the advantages that:
(1) The wind blade retractable ocean generator can be used in coastal areas, island areas, wind direction fixed areas and relatively stable areas, and also can be used in severe sea areas, and the wind blade retractable ocean generator can be retracted and folded when encountering typhoons, storm and sudden weather changes and falls onto a platform through a lifting device; after typhoons or storm passes, the lifting device lifts the wind blades to the high altitude again, and the wind blades are unfolded to generate wind power, so that the wind power generator has the function of resisting severe weather environments such as typhoons and storm and the like;
(2) The marine generator with the retractable fan blades is easy to transport, install, disassemble and combine, and is convenient for the installation, combination and maintenance of the whole generator set; the marine generator with retractable blades can be packed and configured on functional ships and ocean platforms developed by various oceans, and when the ships or the platforms reach an operation area, the marine generator can be hoisted and combined into a small power station to provide electric power support for the production and the life of the ships or the platforms;
(3) According to the marine generator with the retractable fan blades, the rubber layers are distributed on the periphery of the inner sides of the arc-shaped grooves of the sliding blocks, so that collision between the fan blade rods and the sliding blocks can be effectively relieved; in addition, the blade rods of the fan blades are arc-shaped cylindrical long rods, one end of each arc-shaped cylindrical long rod is provided with a threaded connection section connected with the hub structure, the other end of each arc-shaped cylindrical long rod is divided into two arc-shaped long rods with semicircular cross sections along the axis of each arc-shaped long rod, the fan blades are arranged between the two arc-shaped long rods with the semicircular cross sections, and the two ends of each fan blade are respectively locked with the semicircular arc-shaped long rods through screws, so that the fan blades can be clamped by one integral arc-shaped cylindrical long rod, the use of two arc-shaped cylindrical long rods is avoided, raw materials can be saved, and the manufacturing cost is reduced;
(4) According to the marine generator with the retractable fan blades, the positioning devices which can be close to the sliding blocks or far away from the sliding blocks are arranged at the fixed points of the expansion of each fan blade on the tower column, and the sliding blocks are clamped by the positioning devices at the fixed points of the expansion of the fan blades, so that the sliding blocks are prevented from moving downwards, and the power generation effect of the generator is prevented from being affected.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a blade retractable ocean generator according to the present invention.
Fig. 2 is a top view of a fan blade retractable ocean generator of the present invention.
Fig. 3 is a schematic structural view of a wind blade lifting device of a wind blade retractable ocean generator.
Fig. 4-9 are flowcharts of the wind blade lifting and opening and closing of the wind blade retractable ocean generator.
FIG. 10 is a front view of the slide block and positioning device in the blade retractable ocean generator of the present invention.
FIG. 11 is a schematic view of the blade bar of the retractable blade marine generator of the present invention.
Detailed Description
The following examples will provide those skilled in the art with a more complete understanding of the present invention and are not intended to limit the invention to the embodiments described.
Examples
The fan blade retractable ocean generator in the embodiment, as shown in fig. 1, 2 and 3, comprises a bottom platform 1 and a tower column 2 standing in the center of the platform, wherein a fan blade lifting device 3 is arranged in the tower column 2, the fan blade lifting device 3 comprises a main shaft 31 and a secondary shaft 32 which are coaxially arranged, and the main shaft 31 and the secondary shaft 32 are sleeved and fixed through a notch.
Three sliding blocks 33 are uniformly distributed at the top end of the secondary shaft 32, the three sliding blocks 33 are radially distributed, a hub structure for expanding and contracting the fan blades 34 is further arranged in the sliding blocks 33, and the fan blades 34 are fixedly connected with the hub structure through fan blade rod 35; an arc-shaped groove 36 is formed on the outer side surface of each sliding block 33, so that the hub can conveniently drive each fan blade rod 35 to expand and contract along the arc-shaped groove 36; in addition, a rubber layer is distributed on the periphery of the inner side of the arc-shaped groove 36, so that collision between the blade rod of the fan blade and the sliding block can be effectively relieved; the tower 2 is provided with three sliding grooves 21 which are matched with the three sliding blocks 33, so that the sliding blocks 33 can ascend or descend along the sliding grooves 21.
The working flow of the fan blade retractable ocean generator is shown in fig. 4-9, when the fan blade lifting device 3 slides upwards through the sliding block 33, the fan blade 34 is in a retracted and folded state, and when the fan blade slides to a fan blade unfolding fixed point, the fan blade 34 is unfolded, so that the generation of electricity at the place is facilitated; when the fan blade lifting device 3 is to be moved to the topmost end, the fan blade is contracted and folded, the fan blade is slid upwards again through the sliding block 33, and when the fan blade reaches a fixed point, the fan blade 34 is unfolded again.
The sliding block is prevented from moving downwards to influence the power generation effect of the power generator, the positioning device 4 which can be close to the sliding block or far away from the sliding block is arranged at the fixed points of each fan blade on the tower column 2, a prefabricated round hole 41 is arranged on the positioning device 4, locking bolts 5 are arranged in the prefabricated round hole 41, holes 37 which do not penetrate through the sliding block are further formed in two sides of the sliding block 33, and the locking bolts 5 can conveniently penetrate through the prefabricated round hole 41 and the holes 37 to fix the positioning device 4 with the sliding block 33; in addition, in order to enable the sliding block 33 to be better matched with the positioning device 4, grooves with a certain radian can be formed on two side edges of the sliding block 33, and a protrusion matched with the grooves is formed on one side edge of the positioning device 4, which is contacted with the sliding block 33.
When the fan blade lifting device 3 drives the sliding block 33 to stop at a positioning point, the positioning device 4 stretches out of the clamping sliding block 33, after the positioning device 4 clamps the sliding block 44, the locking bolt 5 passes through the prefabricated round hole 31 on the positioning device 3 and the hole 37 which is not communicated with the sliding block 33 to clamp the sliding block 33, and then the hub in the sliding block 33 rotates to open the fan blade 34; when the blade lifting device 3 drives the sliding block 33 to continuously ascend or descend, the hub drives the blade 34 to retract in advance, then the locking bolt 5 withdraws from the original position, and then the positioning device is released, so that the sliding block 33 starts to ascend or descend.
In order to save raw materials and reduce manufacturing cost, the fan blade rod 35 can be in a structure that the fan blade rod 35 is an arc-shaped cylindrical long rod, one end of the arc-shaped cylindrical long rod is provided with a threaded connection section 351 connected with the hub structure, the other end of the arc-shaped cylindrical long rod is divided into two arc-shaped long rods 352 with semicircular cross sections along the axis of the arc-shaped long rod, a fan blade 34 is arranged between the two arc-shaped long rods with semicircular cross sections, and two ends of the fan blade 34 are respectively locked with the semicircular arc-shaped long rods through screws.
The fan blade retractable ocean generator can be used in coastal areas, island areas, areas with fixed wind directions and relatively stable areas, and also in severe sea areas, so that the fan blade retractable ocean generator has a high function of resisting severe weather environments such as typhoons, storm and the like; in addition, the fan blade retractable ocean generator is easy to transport, install, disassemble and combine, and is convenient for installation, combination and maintenance of the whole generator set; the marine generator with the retractable fan blades can be packed and configured on functional ships and ocean platforms developed by various oceans, and when the ships or the platforms reach an operation area, the marine generator can be hoisted and combined into a small power station to provide electric power support for the production and the life of the ships or the platforms.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a fan blade retractable ocean generator, includes a bottom platform and stands at the tower post in platform center, its characterized in that: a fan blade lifting device is arranged in the tower column, the fan blade lifting device comprises a main shaft and a secondary shaft which are coaxially arranged, and the main shaft and the secondary shaft are sleeved and fixed through a notch; three sliding blocks are uniformly distributed at the top end of the secondary shaft and are radially distributed, a hub structure for expanding and contracting the fan blades is further arranged in the sliding blocks, and the fan blades are fixedly connected with the hub structure through fan blade rods; the outer side surface of each sliding block is provided with an arc-shaped groove, so that the hub can conveniently drive each fan blade rod to expand and contract along the arc-shaped groove; the tower column is provided with three sliding grooves matched with the three sliding blocks, and the sliding blocks can ascend or descend along the sliding grooves.
2. The blade collapsible marine generator of claim 1, wherein: and a rubber layer is distributed on the periphery of the inner side of the arc-shaped groove.
3. The blade collapsible marine generator of claim 1, wherein: the fan blade leaf pole is arc cylinder stock, the threaded connection section that is connected with hub structure is established to the one end of arc cylinder stock, and the other end is divided into two sections semicircular arc stock along its axis, is provided with the fan blade between two sections semicircular arc stock, and the both ends of fan blade are locked with semicircular arc stock through screw respectively.
4. The blade collapsible marine generator of claim 1, wherein: the fixing points for spreading the fan blades on the tower column are provided with positioning devices which can be close to the sliding block or far away from the sliding block, the positioning devices are provided with prefabricated round holes, locking bolts are arranged in the prefabricated round holes, and holes which do not penetrate through the sliding block are formed in two sides of the sliding block, so that the locking bolts and the sliding block can be fixed conveniently.
5. The blade collapsible marine generator of claim 4, wherein: the sliding block is characterized in that grooves with a certain radian are arranged on two sides of the sliding block, and protrusions matched with the grooves are arranged on one side of the positioning device, which is in contact with the sliding block.
CN201710493616.0A 2017-05-24 2017-06-26 Fan blade retractable ocean generator Active CN107152380B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710371242 2017-05-24
CN2017103712425 2017-05-24

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CN107152380A CN107152380A (en) 2017-09-12
CN107152380B true CN107152380B (en) 2023-06-20

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108825441A (en) * 2018-07-27 2018-11-16 马丽萍 The anti-violent typhoon wind power system of floating type high-efficiency

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101920777A (en) * 2010-09-15 2010-12-22 武汉理工大学 Wing sail and ship with same
CN103906680A (en) * 2011-06-22 2014-07-02 麦格纳斯有限公司 Vertically-variable ocean sail system
FR3008743A1 (en) * 2013-07-18 2015-01-23 Verteole WINDMILL COMPRISING AN ORIENTABLE BLADE SYSTEM
CN106089575A (en) * 2016-08-25 2016-11-09 江苏科技大学 There is the Anti-Typhoon ocean wind power generation platform of folding blade
CN106628085A (en) * 2015-10-30 2017-05-10 江阴市滨江舰船设备有限公司 Sail
CN207195092U (en) * 2017-05-24 2018-04-06 江苏科技大学 A kind of fan blade can contracting formula marine electrical generators

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101920777A (en) * 2010-09-15 2010-12-22 武汉理工大学 Wing sail and ship with same
CN103906680A (en) * 2011-06-22 2014-07-02 麦格纳斯有限公司 Vertically-variable ocean sail system
FR3008743A1 (en) * 2013-07-18 2015-01-23 Verteole WINDMILL COMPRISING AN ORIENTABLE BLADE SYSTEM
CN106628085A (en) * 2015-10-30 2017-05-10 江阴市滨江舰船设备有限公司 Sail
CN106089575A (en) * 2016-08-25 2016-11-09 江苏科技大学 There is the Anti-Typhoon ocean wind power generation platform of folding blade
CN207195092U (en) * 2017-05-24 2018-04-06 江苏科技大学 A kind of fan blade can contracting formula marine electrical generators

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