CN101892936A - Folding vertical shaft tidal power generation device - Google Patents

Folding vertical shaft tidal power generation device Download PDF

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Publication number
CN101892936A
CN101892936A CN2010102359203A CN201010235920A CN101892936A CN 101892936 A CN101892936 A CN 101892936A CN 2010102359203 A CN2010102359203 A CN 2010102359203A CN 201010235920 A CN201010235920 A CN 201010235920A CN 101892936 A CN101892936 A CN 101892936A
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China
Prior art keywords
main shaft
joint
power generation
generation device
blade
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CN2010102359203A
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Chinese (zh)
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CN101892936B (en
Inventor
林伟豪
宋永臣
穆海林
刘卫国
王大勇
贾明
徐湖山
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Dalian University of Technology
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Dalian University of Technology
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Priority to CN2010102359203A priority Critical patent/CN101892936B/en
Publication of CN101892936A publication Critical patent/CN101892936A/en
Priority to PCT/CN2011/000086 priority patent/WO2012009946A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/915—Mounting on supporting structures or systems on a stationary structure which is vertically adjustable
    • F05B2240/9151—Mounting on supporting structures or systems on a stationary structure which is vertically adjustable telescopically
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Power Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a folding vertical shaft tidal power generation device, and belongs to the technical field of tidal power generation. In the folding vertical shaft tidal power generation device, blades are connected to a main shaft by connecting rods; a tidal current which acts on the blades can rotate the main shaft; and the main shaft drives a generator for generating power through a speed-increasing gearbox and a universal joint. The connecting rods, the blades and the main shaft of the power generation device respectively adopt a folding structure locked by a locking mechanism, two connecting rods and one blade form an impeller assembly, circumferentially and uniformly distributed impeller assemblies are fixedly connected with the main shaft through the larger ends of the connecting rods, and sliders at the smaller ends of the connecting rods are embedded in chutes of the blades; the speed-increasing gearbox is fixed on a top plate of a protective cover through a support, and the generator is fixed on the inner side of the top plate of the protective cover; and the protective cover also adopts a folding structure, and is fixed on a cement foundation through a base. The power generation device can reduce the volume of the whole device, facilitate the transport, avoid disassembly and assembly of various components, and reduce the seabed installation cost by over 50 percent than the original cost through effective folding.

Description

Folding vertical shaft tidal power generation device
Technical field
The present invention relates to a kind of folding vertical shaft tidal power generation device, it belongs to the technical field of utilizing trend to generate electricity.
Background technique
Ocean energy is as a kind of cleaning, the reproducible energy, aboundresources not only, and also very little to the influence of environment.Current, global reproducible marine energy resources, theoretical total amount reaches 766000GW, and DEVELOPMENT PROSPECT is considerable.China has long shore line and wide oceanic area, and the ocean energy reserves are abundant, and developable marine energy resources comprises: trend energy, tidal energy and wave energy etc., wherein, trend can theoretical average power be 13940MW.Trend can provide concerned power than wave energy bigger advantage to be arranged stable because predictability is strong, compares with the utilization of tidal energy simultaneously, and trend can not need very large-scale change physical environment, therefore becomes current ocean energy focus.The trend energy aboundresources of China, the whole nation is totally 130 water channels, and the water channel between each island of Zhoushan Islands is the marine site of China's trend maximum, and as western watchtower in ancient times door water channel, book water channel, golden pool water channel, Xiushan Mountain water channel, Guishan Mountain water channel etc., strength of current can reach 4.0m/s; Dou Longgang is to the south from Jiangsu, through the entrance of Changjiang River, also there is 1.5-3.0m/s in Zhejiang, ALONG COASTAL FUJIAN trend; Old iron scenery with hills and waters road, north side, Bohai Haixia reaches 3.0m/s; Qiongzhou Strait 2.0-2.5m/s; Island, the dining hall in Buddhist temple water channel 2.0m/s of Huanghai Sea bank.
Transportation that existing tidal current energy generating equipment is high and installation cost account for 30% of overall cost, become to hinder the biggest obstacle that trend can be generated electricity.At home and abroad there is no the flexible and folding mode of electricity generating device utilization at present, reducing trend can water turbine transportation and installation cost.200620105769.0) and patent of invention " flexible slurry ocean current energy generator " (application number: 200610052522.1) utilize shrinking structure to reduce the resistance of incoming flow to the water turbine impact, focus on the raising performance Zhejiang University proposes utility model patent " a kind of flexible slurry ocean current energy generator " (application number:.
The patent of invention of Harbin Engineering University " being used for the straight leaf formula self adaption variable pitch water turbine that trend can be changed " (application number: 2003106918.5) utilize spring mechanism to replace the cycloid formula to reach the function of automatic adjustment pitch, improve price performance.200710181399.8) and " flexible blade rotor supporting device " (application number: Chinese Marine University's " self-adapting flexible vane rotor " (application number: 200810249880.0) by using flexible blade rotor, produce the bigger torque of specific rigidity blade, improve the water turbine conversion efficiency." the self-regulation ocean current energy generator " of University Of Tianjin (application number: 200610129897.3) utilize inductor that the size and Orientation of ocean current is adjusted the angle and the degree of depth of blade automatically, optimize the performance of two horizontal-shaft water turbines.
Summary of the invention
The purpose of this invention is to provide a kind of folding vertical shaft tidal power generation device, it installs the deficiency that will consume great amount of manpower and material resources at transportation in the background technique and seabed, dwindle the volume of whole device by effective folding, convenient transportation avoids the dismounting between each parts to reduce the seabed installation cost.
Technological scheme of the present invention is: a kind of folding vertical shaft tidal power generation device, and it adopts connecting rod that blade is connected on the main shaft, and the trend that acts on the blade can make main shaft rotate, and main shaft drives generator for electricity generation through step-up gear and universal joint; Described connecting rod, blade and main shaft adopt the accordion structure with 2～5 joints of locking mechanism locking respectively, two connecting rods and a blade constitute an impeller sets, lean on the big end of connecting rod to become fixedly connected with main shaft around 2～6 impeller sets that main shaft is circumferentially evenly arranged, the slide block at wrist-pin end of connecting rod place is embedded in the chute of blade; Described step-up gear is fixed on by bearing on the top board of protective cover, and described generator is fixed on the inboard of protective cover top board; Described protective cover adopts accordion structure, and protective cover is fixed on the concrete pedestal through base.
Described connecting rod adopts the accordion structure with 3 joints of locking mechanism locking, unclamps locking mechanism, and 1 joint connecting rod is pushed in the 2 joint connecting rods, and 2 joint connecting rods push in the 3 joint connecting rods.
Described main shaft adopts the accordion structure with 3 joints of locking mechanism locking, unclamps locking mechanism, and 1 joint main shaft is pushed in the 2 joint main shafts, and 2 joint connecting rods push in the 3 joint main shafts.
Described blade adopts the accordion structure with 3 joints of locking mechanism locking, unclamps locking mechanism, and 1 joint blade is pushed in the 2 joint blades, and 2 joint blades push in the 3 joint blades.
Four limits of the top board of described protective cover adopt hinge to connect side plate, and one of them side plate adopts hinge to connect base plate, and two relative side plates adopt hinge respectively to be connected a flap with base plate.
The invention has the beneficial effects as follows: the connecting rod of this folding vertical shaft tidal power generation device, blade and main shaft adopt the accordion structure of locking mechanism locking respectively, two connecting rods and a blade constitute an impeller sets, circumferentially uniform impeller sets becomes fixedly connected by the big end of connecting rod with main shaft, and the slide block at wrist-pin end of connecting rod place is embedded in the chute of blade; Step-up gear is fixed on by bearing on the top board of protective cover, and generator is fixed on the inboard of protective cover top board; Protective cover also adopts accordion structure, is fixed on the concrete pedestal through base.This electricity generating device has dwindled the volume of whole device by effective folding, the dismounting between each parts is avoided in convenient transportation, has reduced the seabed installation cost and more than 50%, has prolonged the water turbine life-span more than 5 years to original.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of structure and working state figure of folding vertical shaft tidal power generation device.
Fig. 2 is the structural drawing of connecting rod.
Fig. 3 is the structural drawing of main shaft.
Fig. 4 is the structural drawing of blade.
Fig. 5 is the A-A sectional view among Fig. 4.
Fig. 6 is the B-B sectional view among Fig. 4.
Fig. 7 is the C-C sectional view among Fig. 4.
Fig. 8 is the structural drawing of protective cover.
Fig. 9 is the transport state figure of a kind of folding vertical shaft tidal power generation device after folding.
Among the figure: 1, connecting rod, 1a, 1 joint connecting rod, 1b, 2 joint connecting rods; 1c, 3 joint connecting rods, 1d, slide block, 2, main shaft; 2a, 1 joint main shaft, 2b, 2 joint main shafts, 2c, 3 joint main shafts; 3, blade, 3a, 1 joint blade, 3b, 2 joint blades; 3c, 3 joint blades, 3d, chute, 4, step-up gear; 5, universal joint, 6, generator, 6a, output cable; 7, protective cover, 7a, top board, 7b, side plate; 7c, base plate, 7d, flap, 7e, hinge; 8, locking mechanism, 9, bearing, 10, fixing bolt; 11, base, 12, stone bolt, 13, concrete pedestal.
Embodiment
Fig. 1 shows a kind of structure and working state figure of folding vertical shaft tidal power generation device.Among the figure, folding vertical shaft tidal power generation device adopts connecting rod 1 that blade 3 is connected on the main shaft 2, and the trend that acts on the blade 3 can make main shaft 2 rotate, and main shaft 2 drives generator 6 generatings through step-up gear 4 and universal joint 5.Two connecting rods 1 and a blade 3 constitute an impeller sets, and 4 circumferentially uniform impeller sets are welded to connect for 2 one-tenth with main shaft by the big end of connecting rod 1, and the slide block 1d at connecting rod 1 small end place is embedded among the chute 3d of blade 3.Step-up gear 4 is fixed on by bearing 9 on the top board 7a of protective cover 7, and generator 6 is fixed on the inboard of protective cover 7 top board 7a, and protective cover 7 is fixed on the concrete pedestal 13 through base 11.
Fig. 2 shows the structure of connecting rod.Connecting rod 1 adopts the accordion structure with 3 joints of locking mechanism 8 lockings, unclamps locking mechanism 8,1 joint connecting rod 1a and can push among the 2 joint connecting rod 1b, and 2 joint connecting rod 1b can push among the 3 joint connecting rod 1c.Locking mechanism 8 can adopt spring pin or lock screw.
Fig. 3 shows the structure of main shaft.Main shaft 2 adopts the accordion structure with 3 joints of locking mechanism 8 lockings, unclamps locking mechanism 8,1 joint main shaft 2a and can push among the 2 joint main shaft 2b, and 2 joint connecting rod 2b can push among the 3 joint main shaft 2c.Locking mechanism 8 can adopt spring pin or lock screw.
Fig. 4,5,6,7 shows the structure of blade.Blade 3 adopts the accordion structure with 3 joints of locking mechanism 8 lockings, unclamps locking mechanism 8,1 joint blade 3a and can push among the 2 joint blade 3b, and 2 joint blade 3b can push among the 3 joint blade 3c.Locking mechanism 8 can adopt spring pin or lock screw.
Fig. 8,9 shows the structure and the purposes of protective cover.Four limits of the top board 7a of protective cover 7 adopt hinge 7e to connect side plate 7b, and one of them side plate 7b adopts hinge 7e to connect base plate 7c, and two relative side plate 7b adopt hinge 7e respectively to be connected a flap 7d with base plate 7c.Protective cover 7 can positive and negative doubling, is just rolling over to wrap all parts (Fig. 9) that folded more than the top board 7a, and reflexed can wrap generator 6 (Fig. 1).Protective cover 7 during reflexed forms a framework, and this framework supports electricity generating device on the one hand, is convenient on the other hand by base 11 electricity generating device is fixed on the concrete pedestal 13 that is positioned on the sea bed.
This electricity generating device is before transporting, and elder generation is retracted to connecting rod 1, main shaft 2 and blade 3 the shortest, and the impeller assembly that will dwindle is wrapped in the protective cover of just rolling over 7, adopts screw to fix then.Can prevent effectively that like this situation of damaged in collision from appearring in transportation process middle period wheel assembly.Open from the front after transportation is finished protective cover 7 again reflexed go back generator 6 is packaged, carry out the seabed then and fix.At last blade 3 and main shaft 2 are outwards stretched, extension link again is because universal joint 5 has the feature of regulating voluntarily, so do not need special adjustment.
The mode of the flexible or folding water turbine of above-mentioned technological scheme utilization has reduced the underwater construction time, has improved the installation quality of underwater construction, and transportation and installation cost are reduced.Aspect manpower, reduced workmen's technical threshold, only need simply train the work of getting final product the common laborer.

Claims (5)

1. folding vertical shaft tidal power generation device, it adopts connecting rod (1) that blade (3) is connected on the main shaft (2), the trend that acts on the blade (3) can make main shaft (2) rotate, and main shaft (2) drives generator (6) generating through step-up gear (4) and universal joint (5); It is characterized in that: described connecting rod (1), blade (3) and main shaft (2) adopt the accordion structure with 2～5 joints of locking mechanism (8) locking respectively, two connecting rods (1) and a blade (3) constitute an impeller sets, lean on the big end of connecting rod (1) to become fixedly connected with main shaft (2) around 2～6 impeller sets that main shaft (2) is circumferentially evenly arranged, the slide block (1d) at connecting rod (1) small end place is embedded in the chute (3d) of blade (3); Described step-up gear (4) is fixed on by bearing (9) on the top board (7a) of protective cover (7), and described generator (6) is fixed on the inboard of protective cover (7) top board (7a); Described protective cover (7) adopts accordion structure, and protective cover (7) is fixed on the concrete pedestal (13) through base (11).
2. folding vertical shaft tidal power generation device according to claim 1, it is characterized in that: described connecting rod (1) adopts the accordion structure with 3 joints of locking mechanism (8) locking, unclamp locking mechanism (8), 1 joint connecting rod (1a) is pushed in the 2 joint connecting rods (1b), and 2 joint connecting rods (1b) push in the 3 joint connecting rods (1c).
3. folding vertical shaft tidal power generation device according to claim 1, it is characterized in that: described main shaft (2) adopts the accordion structure with 3 joints of locking mechanism (8) locking, unclamp locking mechanism (8), 1 joint main shaft (2a) is pushed in the 2 joint main shafts (2b), and 2 joint connecting rods (2b) push in the 3 joint main shafts (2c).
4. folding vertical shaft tidal power generation device according to claim 1, it is characterized in that: described blade (3) adopts the accordion structure with 3 joints of locking mechanism (8) locking, unclamp locking mechanism (8), 1 joint blade (3a) is pushed in the 2 joint blades (3b), and 2 joint blades (3b) push in the 3 joint blades (3c).
5. folding vertical shaft tidal power generation device according to claim 1; it is characterized in that: four limits of the top board (7a) of described protective cover (7) adopt hinge to connect side plate (7b); one of them side plate (7b) adopts hinge to connect base plate (7c), and relative two side plates (7b) adopt hinge respectively to be connected a flap (7d) with base plate (7c).
CN2010102359203A 2010-07-23 2010-07-23 Folding vertical shaft tidal power generation device Expired - Fee Related CN101892936B (en)

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PCT/CN2011/000086 WO2012009946A1 (en) 2010-07-23 2011-01-19 Foldable vertical axis tidal current power generating apparatus

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CN102230444A (en) * 2011-06-09 2011-11-02 大连理工大学 Arm-length-variable vertical shaft tide current water turbine generator set
CN102297071A (en) * 2011-09-06 2011-12-28 浙江大学宁波理工学院 Ocean current generator and control method thereof
WO2012009946A1 (en) * 2010-07-23 2012-01-26 大连理工大学 Foldable vertical axis tidal current power generating apparatus
CN102364085A (en) * 2011-07-01 2012-02-29 毛国武 Seawater power impeller rotating and horizontal shaft driving generating set
CN102878009A (en) * 2012-09-14 2013-01-16 大连理工大学 Diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set
CN103280875A (en) * 2013-06-06 2013-09-04 戴文育 Foldable type hand-cranking bodybuilding generating set
CN105179154A (en) * 2014-10-29 2015-12-23 西北工业大学 Horizontal shaft ocean current power generation device used for solid-of-revolution underwater vehicle
CN105179145A (en) * 2015-09-17 2015-12-23 浙江海洋学院 Vertical-axis tidal current energy hydraulic turbine set with seaworthiness adjusting device
CN105673311A (en) * 2016-01-22 2016-06-15 天津大学 Folding oscillating type tidal current energy power generation device
CN105781863A (en) * 2016-03-30 2016-07-20 天津大学 Double-wing oscillation type tidal current energy power generating device
CN105840409A (en) * 2016-03-30 2016-08-10 天津大学 Tidal energy power generation device with foldable transverse horizontal shaft
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CN106351796A (en) * 2016-10-09 2017-01-25 天津大学 Ocean wind energy and tidal current energy united power supply floating lighting device
CN106438185A (en) * 2016-10-28 2017-02-22 天津大学 Arc blade type foldable tidal current energy generation device for water turbine
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Publication number Priority date Publication date Assignee Title
WO2012009946A1 (en) * 2010-07-23 2012-01-26 大连理工大学 Foldable vertical axis tidal current power generating apparatus
CN102230444A (en) * 2011-06-09 2011-11-02 大连理工大学 Arm-length-variable vertical shaft tide current water turbine generator set
CN102364085A (en) * 2011-07-01 2012-02-29 毛国武 Seawater power impeller rotating and horizontal shaft driving generating set
CN102297071A (en) * 2011-09-06 2011-12-28 浙江大学宁波理工学院 Ocean current generator and control method thereof
CN102297071B (en) * 2011-09-06 2013-03-27 浙江大学宁波理工学院 Ocean current generator and control method thereof
CN102878009A (en) * 2012-09-14 2013-01-16 大连理工大学 Diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set
CN103280875A (en) * 2013-06-06 2013-09-04 戴文育 Foldable type hand-cranking bodybuilding generating set
CN105179154A (en) * 2014-10-29 2015-12-23 西北工业大学 Horizontal shaft ocean current power generation device used for solid-of-revolution underwater vehicle
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