WO2016035264A1 - Générateur hydraulique et procédé d'assemblage de générateur hydraulique - Google Patents

Générateur hydraulique et procédé d'assemblage de générateur hydraulique Download PDF

Info

Publication number
WO2016035264A1
WO2016035264A1 PCT/JP2015/004076 JP2015004076W WO2016035264A1 WO 2016035264 A1 WO2016035264 A1 WO 2016035264A1 JP 2015004076 W JP2015004076 W JP 2015004076W WO 2016035264 A1 WO2016035264 A1 WO 2016035264A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
shaft body
shaft
bearing support
generator
Prior art date
Application number
PCT/JP2015/004076
Other languages
English (en)
Japanese (ja)
Inventor
貴光 冨山
智幸 会田
旭弘 海野
勇樹 林
洋介 桑原
Original Assignee
Thk株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thk株式会社 filed Critical Thk株式会社
Publication of WO2016035264A1 publication Critical patent/WO2016035264A1/fr

Links

Images

Classifications

    • 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
    • F03B17/063—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 the flow engaging parts having no movement relative to the rotor during its rotation
    • 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
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/06—Bearing arrangements
    • 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
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • 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
    • Y02E10/20—Hydro 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a hydroelectric generator that generates electric power by a water flow and an assembling method thereof.
  • Patent Document 1 discloses a hydroelectric power generation apparatus in which two or more horizontal straight wings are arranged on a circumference around a horizontal axis, which is installed in a river.
  • the present invention has been made in view of the above-described problems, and an object of the present invention is to provide a hydroelectric generator that can be easily assembled and installed without using a large heavy machine, and an assembling method thereof. Is to provide.
  • a hydroelectric generator includes a blade that rotates by a water flow, a shaft that rotates as the blade rotates, a bearing support portion that includes a bearing that rotatably supports the shaft, and the shaft
  • a hydroelectric generator having a generator for generating electric power by a rotational driving force, wherein at least the blade, the shaft body, the bearing support portion, and the generator are each configured as a modular unit. It is characterized by.
  • moduleized unit in this specification refers to a module obtained by dividing the function of the hydroelectric power generation apparatus 100 into a module. That is, each of at least the blade, the shaft body, the bearing support portion, and the generator is a “moduleized unit”, and a product device called a hydroelectric generator 100 is obtained by simply assembling these divided units. However, it is configured to be suitably completed without performing fine adjustment work or the like.
  • the method of assembling the hydroelectric generator according to the present invention includes a blade that rotates by a water flow, a shaft that rotates as the blade rotates, and a bearing support portion that includes a bearing that rotatably supports the shaft. And a generator for generating electric power by the rotational driving force of the shaft body, wherein the blade, the shaft body, the bearing support portion, and the generator are each a module.
  • FIG. 1 is a diagram illustrating an overall configuration example of a hydroelectric generator according to the present embodiment.
  • FIG. 2 is a diagram illustrating a blade of the hydroelectric generator according to the present embodiment.
  • FIG. 3 is a diagram illustrating a shaft body of the hydroelectric generator according to the present embodiment.
  • FIG. 4 is a diagram illustrating a bearing support portion of the hydroelectric generator according to the present embodiment.
  • FIG. 5 is a view showing the friction fastening means of the hydroelectric generator according to this embodiment.
  • FIG. 6 is a diagram illustrating a generator of the hydroelectric generator according to the present embodiment.
  • FIG. 7 is a diagram illustrating coupling of the hydroelectric generator according to the present embodiment.
  • FIG. 8 is a diagram illustrating an adapter of the hydroelectric generator according to the present embodiment.
  • FIG. 1 is a diagram illustrating an overall configuration example of a hydroelectric generator according to the present embodiment.
  • FIG. 2 is a diagram illustrating a blade of the hydroelectric generator according to the present embodiment
  • FIG. 9 is a view for explaining an assembling method of the shaft body and the bearing support portion according to the present embodiment
  • FIG. 9A is a diagram showing the shaft body and the bearing support portion.
  • Part (b) in the figure is a diagram showing a state in which a shaft body is press-fitted into the bearing support portion.
  • FIG. 10 is a view for explaining a jig for pulling up the shaft body according to the present embodiment relative to the bearing support portion.
  • FIG. 10A is a partial view (a) in FIG.
  • FIG. 11 is a view showing a state in which the shaft body and the bearing support portion according to the present embodiment are assembled.
  • FIG. 12 is an enlarged view of a main part for explaining the fixation of the frictional engagement means according to the present embodiment to the hollow shaft.
  • FIG. 13 is a view showing a state in which the hollow shaft and the shaft body are frictionally fastened by the friction fastening means according to the present embodiment, and a partial diagram (a) in the drawing shows the entire hollow shaft and the shaft body. It is a figure and the fractional drawing (b) in a figure is a partially expanded view of a hollow shaft and a shaft body.
  • FIG. 14 is a diagram for explaining a method of assembling a modular unit, and FIG. 14A is a diagram showing a modular unit, and FIG. 14B is a diagram (b) of FIG.
  • FIG. 15 is a diagram illustrating a first modification of the blade.
  • FIG. 16 is a diagram illustrating a second modification of the blade.
  • FIG. 17 is a view showing a third modified example of the blade, and
  • FIG. 17A is a view showing the entire third modified example of the blade, and
  • FIG. FIG. 3 is a view showing a blade constituent member.
  • FIG. 18 is a diagram showing a fourth modification of the blade.
  • FIG. 19 is a diagram showing a fifth modification of the blade.
  • FIG. 1 is a diagram illustrating an overall configuration example of the hydroelectric generator according to the present embodiment
  • FIG. 2 is a diagram illustrating a blade of the hydroelectric generator according to the present embodiment
  • FIG. 3 is a figure which shows the shaft body of the hydroelectric generator which concerns on this embodiment
  • FIG. 4 is a figure which shows the bearing support part of the hydroelectric generator which concerns on this embodiment.
  • FIG. 5 is a diagram showing friction fastening means of the hydroelectric generator according to the present embodiment
  • FIG. 6 is a diagram showing a generator of the hydroelectric generator according to the present embodiment.
  • FIG. 7 is a diagram illustrating coupling of the hydroelectric generator according to the present embodiment
  • FIG. 8 is a diagram illustrating an adapter of the hydroelectric generator according to the present embodiment.
  • a hydraulic power generation apparatus 100 includes a blade 10 that rotates by a water flow, a shaft body 20 that rotates as the blade 10 rotates, and a bearing that rotatably supports the shaft body 20. And a generator 50 that generates electric power by the rotational driving force of the shaft body 20. And the hydroelectric generator 100 which concerns on this embodiment is installed in the water channel C, for example.
  • the blade 10 includes, for example, a pair of disk-shaped plate portions 11 and a plurality of blade portions 13 that connect the pair of plate portions 11.
  • wing part 13 are comprised so that it may become an integral structure.
  • the plate portion 11 is composed of two plate materials 12 and 12.
  • the blade portion 13 according to the present embodiment has a curved portion R that is formed in a substantially U shape and chamfered at a corner portion.
  • Fixing portions 15 are formed at both ends of the plurality of blade portions 13 so that the blade portions 13 and the pair of plate portions 11 are integrated with each other so as to fit the disk-shaped circumference of the plate portion 11.
  • the fixing portion 15 is sandwiched between the two plate members 12 and 12 and is joined between the two plate members 12 and 12 by, for example, bolts.
  • the blade component 13 and the fixed portion 15 that are integrally formed in a substantially U-shape are used as the blade constituent member 17.
  • both ends of the blade constituent member 17, that is, the fixing portion 15 are sandwiched between the plate portions 11 including the two plate members 12 and 12 and fixed by, for example, bolts or the like. Therefore, the plurality of blade portions 13 and the pair of plate portions 11 are integrated with each other in an inseparable state.
  • the blade 10 according to the present embodiment has a cage structure formed by combining blade constituent members 17 integrally formed in a substantially U shape, and includes a pair of plate portions 11 and blade portions 13. Thus, the strength of the blade 10 can be maintained.
  • the blade 10 according to the present embodiment it is not necessary to attach the rotation axis for maintaining the strength of the blade 10 to the blade 10 as well as the rotation center axis of the blade 10 that is essential in the prior art. It becomes. Therefore, according to the blade 10 according to the present embodiment, it is possible to reduce the weight of the entire blade while maintaining the strength required for the blade 10.
  • the blade 10 according to the present embodiment is configured as one of modularized units in the hydroelectric generator 100.
  • the hydroelectric generator 100 can be easily transported and assembled. Therefore, according to the hydroelectric generator 100 according to the present embodiment, even in places where the installation location of the hydroelectric generator 100 is poor, for example, in mountainous areas, and where it is difficult to assemble and install with the conventional hydroelectric generator, The hydroelectric generator 100 can be easily assembled and installed.
  • the blade 10 is disposed in the water, and the blade portion 13 receives thrust by the water flow, and rotates about the center of the blade 10 (center of the plate portion 11) as the central axis A. Yes.
  • the shaft body 20 is a unit that rotates with the rotation of the blade 10 by connecting the lower end thereof to the upper end of the blade 10.
  • the shaft body 20 is installed so that the center axis A of the blade 10 and the rotation center axis are coaxial, and is fastened to the blade 10 by bolts and nuts, for example.
  • the shaft body 20 is rotatably supported by bearings 31 and 32 provided in a bearing support portion 30 described later.
  • a key groove 21 for connecting to a coupling 51 described later and a screw hole 22 for inserting a bolt used for assembly / installation described later are formed at the end of the shaft body 20. Yes.
  • the bearing support portion 30 is a unit including bearings 31 and 32 that rotatably support the shaft body 20 as shown in FIG.
  • the bearing support portion 30 according to the present embodiment is configured as a modular unit including bearings 31 and 32, a hollow shaft 33, and friction fastening means 39 for frictionally fastening the hollow shaft 33 and the shaft body 20. Is done.
  • the bearing support portion 30 is disposed on the upper surface of the support plate 60 that supports the bearing support portion 30. As shown in FIG. 1, the support plate 60 is bridged between both banks of the water channel C and supports the hydroelectric generator 100 and the bearing support portion 30.
  • radial bearings 31 and 31 and angular ball bearings 32 and 32 are used for the bearings 31 and 32 according to the present embodiment.
  • the radial bearings 31, 31 can receive a radial load and can support the shaft body 20.
  • the angular ball bearings 32, 32 are configured to support a radial load and an axial load.
  • the hydroelectric generator 100 according to the present embodiment by arranging the angular ball bearing 32 at a location where the load of the blade 10 is concentrated, it is possible to support a radial load and an axial load and to withstand a large load. It is like that. That is, since the hydroelectric generator 100 according to the present embodiment has an ideal member arrangement with respect to the external load, the hydroelectric generator 100 can maintain the strength of the hydroelectric generator 100 even if the weight is reduced. It is possible.
  • the shaft body 20 and the bearing support portion 30 can be easily assembled without fine adjustment.
  • the shaft body 20 and the hollow shaft 33 are tightly fitted (or fixed). With respect to the fitting dimensions of the other portion Y, the shaft body 20 and the hollow shaft 33 are clearance-fitted.
  • an interference fit refers to a fit with a clearance between the hole and the shaft
  • a gap fit refers to a fit with a gap between the hole and the shaft
  • a dead fit refers to a gap between the hole and the shaft. It is a fitting that allows a gap or a tightening allowance by a tolerance between the fitting and the interference fitting.
  • the interference fit means that the shaft diameter of the shaft body 20 is formed smaller than the shaft diameter of the hollow shaft 33, and the clearance fit is the shaft diameter of the hollow shaft 33. It means that the shaft diameter of the shaft body 20 is formed larger and fitted, and the dead-fit means the middle of them.
  • the shaft body 20 and the hollow shaft 33 are interference-fit or dead-fit, so that the shaft body 20 and the bearing support portion 30 are fixed.
  • the shaft body 20 and the hollow shaft 33 are fitted with a gap between them, so that they are frictionally fastened by friction fastening means 39 described later.
  • a slit 34 (see FIG. 12) that allows fitting of a friction fastening means 39 described later and a screw hole 35 for fixing the friction fastening means 39 are provided at the end of the hollow shaft 33 according to the present embodiment. Is formed.
  • the bearings 31 and 32 and the hollow shaft 33 are held by the housing 37, and the frictional fastening means 39 shown in FIG. 5 is fixed to the hollow shaft 33.
  • the friction fastening means 39 is for friction fastening the hollow shaft 33 and the shaft body 20. As shown in FIG. 5, a screw hole 40 for inserting a screw is formed in the friction fastening means 39. In the friction fastening means 39, a protruding portion 39a formed in a wedge shape in section toward an end portion installed on the hollow shaft 33 is inserted into a slit 34 formed on the end portion of the hollow shaft 33 (see FIG. 12). Further, the screw inserted into the screw hole 40 is fastened to the screw hole 35 and fixed to the hollow shaft 33.
  • the friction fastening means 39 fixed to the hollow shaft 33 includes the hollow shaft 33 and the shaft body 20 of the portion indicated by Y in FIG. 1 (the shaft body 20 fitted with the hollow shaft 33 with a clearance fit). ) Is fastened based on the frictional force obtained by the action of the protrusion 39a.
  • the rotation of the shaft body 20 is supported by the bearing support portion 30 and transmitted to the generator 50, and the generator 50 generates electric power.
  • the generator 50 according to the present embodiment includes a coupling 51 for transmitting the rotational driving force of the shaft body 20 to the driving shaft 53 of the generator 50, a driving shaft 53 rotated by the rotational driving force of the shaft body 20, A speed increasing device 55 that speeds up the rotation of the drive shaft 53 and an adapter 57 that joins the bearing support portion 30 and the generator 50 are configured as a modular unit.
  • the coupling 51 is for transmitting the rotational driving force of the shaft body 20 to the driving shaft 53 of the generator 50.
  • the coupling 51 connects the key groove 21 formed in the shaft body 20 and the key groove 54 formed in the drive shaft 53 of the generator 50 to connect the rotational driving force of the shaft body 20 to the generator 50.
  • the drive shaft 53 of the generator 50 can be rotated.
  • the speed increasing device 55 is for speeding up the rotation of the drive shaft 53.
  • a planetary gear device can be used as the speed increasing device 55.
  • the adapter 57 is for joining the bearing support part 30 and the generator 50 together. As shown in FIG. 1, the adapter 57 is a member that functions as a casing that is disposed between the bearing support portion 30 and the generator 50 and in which the coupling 51 and the speed increasing device 55 are accommodated. is there.
  • the rotational driving force from the shaft body 20 is transmitted to the drive shaft 53 by the coupling 51, and the rotation of the drive shaft 53 is increased by the speed increasing device 55 to generate electric power.
  • the generator 50 is installed so as to be coaxial with the blade 10 and the shaft body 20 by the coupling 51 and the adapter 57.
  • the hydraulic power generation apparatus 100 includes at least the blade 10, the shaft body 20, the bearing support portion 30, and the generator 50 as modularized units (see FIGS. 2 to 8). By assembling all the units, the hydraulic power generation apparatus 100 as shown in FIG. 1 can be completed without fine adjustment.
  • each modularized unit can be transported to the installation location, so there is no need to use a large heavy machine, and the installation location of the hydroelectric generator 100 is The conventional problem that it is limited to the place where a large heavy machine can be carried in can be solved.
  • the hydroelectric power generation apparatus 100 according to the present embodiment the number of assembling steps can be reduced, the assembly / installation can be quickly performed, and the effect of reducing the installation cost can be obtained.
  • the hydroelectric generator 100 according to the present embodiment needs to make fine adjustments so that the blade 10, the shaft body 20, the bearing support unit 30, and the generator 50 are coaxial at the installation location of the hydroelectric generator 100. There is no.
  • the hydroelectric power generation device 100 Since the conventional hydroelectric generator is brought into the installation site in a state where the apparatus is assembled, it is necessary to perform fine adjustment work of the hydroelectric generator at the installation site due to vibration or the like during movement. Therefore, according to the hydroelectric power generation device 100 according to the present embodiment, it is possible to simplify the work at the time of installation work as compared with the prior art. In addition, for example, even if a failure occurs in any of the blade 10, the shaft body 20, the bearing support portion 30, or the generator 50, the unit can be removed and maintenance can be performed, so that high robustness is achieved. It is possible to provide the hydroelectric power generation device 100 having the property.
  • FIG. 9 is a figure for demonstrating the assembly method of the shaft body and bearing support part which concerns on this embodiment
  • the fractional figure (a) in a figure is a figure which shows a shaft body and a bearing support part.
  • FIG. 5B is a diagram showing a state in which the shaft body is press-fitted into the bearing support portion.
  • FIG. 10 is a view for explaining a jig for pulling up the shaft body according to the present embodiment relative to the bearing support portion.
  • FIG. 10A is a partial view (a) in FIG.
  • FIG. 11 is a view showing a state in which the shaft body and the bearing support portion according to the present embodiment are assembled.
  • FIG. 12 is an enlarged view of a main part for explaining the fixation of the frictional engagement means according to the present embodiment to the hollow shaft.
  • FIG. 13 is a view showing a state in which the hollow shaft and the shaft body are frictionally fastened by the friction fastening means according to the present embodiment, and a partial diagram (a) in the drawing shows the entire hollow shaft and the shaft body. It is a figure and the fractional drawing (b) in a figure is a partially expanded view of a hollow shaft and a shaft body.
  • FIG. 14 is a diagram for explaining a method of assembling a modular unit, and FIG. 14A is a diagram showing a modular unit, and FIG. 14B is a diagram (b) of FIG. These are figures which show the hydroelectric power generator completed by assembling all the units.
  • the shaft body 20 is press-fitted into the bearing support portion 30 according to the partial diagram (a) of FIG. 9, and as shown in the partial diagram (b) of FIG.
  • the bearing support portion 30 is fitted to the end portion of the shaft body 20.
  • the shaft body 20 is lifted relatively to the hollow shaft 33 by the jig 41 for lifting the shaft body 20 into the bearing support portion 30.
  • the jig 41 has a cylindrical shape with ridges. As shown in FIG. 10A, the jig 41 is fixedly installed on the hollow shaft 33 by inserting a bolt into a screw hole 35 formed at the end of the hollow shaft 33. Then, as shown in FIG. 10B, a first bolt 43 for pulling up the shaft body 20 is inserted into the screw hole 42 of the jig 41 and the screw hole 22 of the shaft body 20. When the first bolt 43 is slightly inserted into the screw hole 22 of the shaft body 20 as shown in the partial diagram (b) of FIG. 10, the head of the first bolt 43 is pivoted by the jig 41 to the axis of the shaft body 20.
  • the movement in the axial direction is restricted so as not to move in the direction, and the screw hole 22 of the shaft body 20 is shortened by the distance of the symbol ⁇ indicated by the double-headed arrow in the partial diagram (b) of FIG. ing. Therefore, the first bolt 43 in which the head of the first bolt 43 is restricted in the axial direction by further tightening the first bolt 43 from the state shown in the partial view (b) of FIG.
  • the shaft body 20 is pulled up relative to the hollow shaft 33 by being screwed into the screw hole 22 of the shaft body 20 by the distance indicated by the double arrows. And if the 1st volt
  • FIG. 10 is in the state shown in FIG. 10C, the first bolt 43 is removed from the jig 41 and the shaft body 20. Then, as shown in a partial diagram (d) of FIG. 10, a second for further lifting the shaft body 20 pulled up by the first bolt 43 into the screw hole 42 of the jig 41 and the screw hole 22 of the shaft body 20.
  • Bolt 45 is inserted.
  • the second bolt 45 is a bolt that is shorter than the first bolt 43.
  • the second bolt 45 prevents the head of the second bolt 45 from moving in the axial direction of the shaft body 20 by the jig 41 when inserted slightly into the screw hole 22 of the shaft body 20.
  • the shaft body 20 is pulled up relative to the hollow shaft 33 using an appropriate jig 41 and a bolt until the shaft body 20 and the bearing support portion 30 are in a desired position.
  • the shaft body 20 and the bearing support portion 30 are fitted to each other as shown in FIG.
  • the friction fastening means 39 shown in FIG. 5 is fitted to the shaft body 20 and the bearing support portion 30 at the desired positions.
  • a slit 34 for fitting the friction fastening means 39 is formed at the end of the hollow shaft 33.
  • the frictional fastening means 39 is formed with a protrusion 39 a having a wedge-shaped cross section toward the end portion installed on the hollow shaft 33.
  • the protrusion 39 a of the friction fastening means 39 is inserted into the slit 34, and the screw inserted into the screw hole 40 is fastened to the screw hole 35, and the friction fastening means 39 and the hollow shaft 33 are Fixed.
  • the friction fastening means 39 fixed to the hollow shaft 33 can frictionally fasten the hollow shaft 33 and the shaft body 20 based on the frictional force obtained by the action of the protrusion 39a.
  • the shaft body 20 and the hollow shaft 33 are fitted with a plurality of fitting dimensions. As shown in FIG. 1, in the hydroelectric generator 100 according to the present embodiment, with respect to the fitting size of the portion X where the load of the blade 10 is concentrated, the shaft body 20 and the hollow shaft 33 are tightly fitted or fastened. In addition, with respect to the fitting size of the other portion Y, the shaft body 20 and the hollow shaft 33 are fitted in a gap.
  • the hydroelectric generator 100 can fit the shaft body 20 into the hollow shaft 33 of the bearing support portion 30 by being fitted with a gap fit. . That is, the gap fitting portion Y allows the shaft body 20 to be easily inserted into the hollow shaft 33 of the bearing support portion 30, and the interference fit portion or the interference fitting portion X enters the hollow shaft 33 of the bearing support portion 30.
  • the shaft body 20 is configured to be press-fitted.
  • the hydroelectric power generation apparatus 100 according to the present embodiment can fix the shaft body 20 in the hollow shaft 33 of the bearing support portion 30 by being fitted with an interference fit (stop fit). It can withstand the load caused by water flow.
  • the bearing support portion 30 and the shaft body 20 can be easily assembled. Further, according to the hydroelectric generator 100 according to the present embodiment, the position of fitting between the shaft body 20 and the hollow shaft 33 of the bearing support portion 30 can be arbitrarily adjusted by changing the fitting dimension. . Furthermore, in the hydroelectric power generation device 100 according to the present embodiment, the hollow shaft 33 and the shaft body 20 are fixed by an interference fit or an interference fit size, and the hollow shaft 33 and the shaft body 20 are fitted with a gap. A configuration is adopted in which the portion Y is frictionally fastened by the friction fastening means 39. Therefore, it is possible to easily install the shaft body 20 of various lengths by changing the fitting size and the fitting position between the shaft body 20 and the hollow shaft 33. Therefore, according to the hydroelectric generator 100 according to the present embodiment, the shaft body 20 having a desired length can be used.
  • the assembled bearing support portion 30 and the shaft body 20, the blade 10 configured as a modularized unit, and the generator 50 configured as a modularized unit are assembled.
  • the generator 50 is installed above the shaft body 20 and the bearing support portion 30, and the blade 10 is installed below the shaft body 20 and the bearing support portion 30.
  • the generator 50 is assembled by installing the generator 50 including the coupling 51 at the tip of the shaft body 20.
  • the key groove 21 formed in the shaft body 20 by the coupling 51 and the key groove 54 formed in the drive shaft 53 of the generator 50 are coupled.
  • the rotational driving force of the shaft body 20 can be transmitted to the drive shaft 53 of the generator 50, and the drive shaft 53 of the generator 50 can be rotated.
  • an adapter 57 is installed between the generator 50 and the bearing support portion 30 so as to accommodate the coupling 51 and the speed increasing device 55.
  • the blade 10 is arranged so that the center axis A of the blade 10 and the rotation center axis of the shaft body 20 are coaxial, and are fastened to the shaft body 20 by, for example, bolts and nuts.
  • the blade 10, the shaft body 20, the bearing support portion 30, and the generator 50 are each configured as a modular unit, and the hydroelectric power generation apparatus 100 completed by assembling all the units is, for example, a river Will be installed.
  • each modularized unit can be transported to an installation location, so there is no need to use a large heavy machine, and the installation location of the hydroelectric power generation device 100 is large.
  • the conventional problem of being limited to places where heavy machinery can be carried in can be solved.
  • the hydroelectric power generation apparatus 100 according to the present embodiment is completed by assembling units formed as modularized units in advance, the number of assembling steps can be reduced, and can be quickly assembled and installed. Further, since there is no need to make fine adjustments to make the blade 10, the shaft body 20, the bearing support portion 30, and the generator 50 coaxial with each other at the installation location of the hydroelectric power generation apparatus 100, a scaffold such as a mountainous area is used.
  • the hydroelectric power generation apparatus 100 Even if it is a bad place, it can be assembled and installed easily. Further, according to the hydroelectric power generation apparatus 100 according to the present embodiment, a large heavy machine is not required and can be assembled and installed quickly and easily, so that assembly and installation costs can be reduced. Furthermore, for example, even if a failure occurs in any of the blade 10, the shaft body 20, the bearing support unit 30, or the generator 50, the unit can be removed and maintenance can be performed, so that high robustness is achieved. It is possible to provide the hydroelectric power generation device 100 having the property.
  • FIG. 15 is a diagram showing a first modification of the blade
  • FIG. 16 is a diagram showing a second modification of the blade.
  • FIG. 17 is a figure which shows the 3rd modification of a braid
  • the fraction (a) in a figure is a figure which shows the whole 3rd modification of a braid
  • b) is a view showing a blade constituent member.
  • FIG. 18 is a diagram showing a fourth modification of the blade
  • FIG. 19 is a diagram showing a fifth modification of the blade.
  • symbol may be attached
  • the blade 110 according to the first modification includes a pair of disk-shaped plate portions 111 and five blade portions 113 that connect the pair of plate portions 111, and a pair of The plate portion 111 and the five blade portions 113 are integrated.
  • the blade portion 113 according to the first modification is formed in a substantially U-shape and has a curved portion R at the corner portion.
  • the five blade portions 113 are arranged so as to have an equal interval in the circumferential direction of the pair of plate portions 111.
  • Fixing portions 115 are formed at both ends of the blade portion 113 so as to make the blade portion 113 and the pair of plate portions 111 integral with each other.
  • the blade 110 according to the first modified example uses a blade component 113 and a fixed portion 115 integrally formed in a substantially U-shape as a blade constituent member 117.
  • both ends of the blade constituent member 117 that is, each of the fixing portions 115 are sandwiched between the plate portions 111 formed of two plate materials 112 and 112, and are fixed and joined by, for example, bolts or the like.
  • the five blade portions 113 and the pair of plate portions 111 are integrated.
  • the blade 110 according to the first modification has a cage structure formed by combining blade constituent members 117 formed in a substantially U shape, and includes a pair of plate portions 111 and blade portions 113. Thus, the strength of the blade 110 is maintained.
  • the blade 210 according to the second modification includes a pair of disk-shaped plate portions 211, three blade portions 213 that connect the pair of plate portions 211, and a pair of plate portions 211. And a pair of plate portions 211, three blade portions 213, and the rotation shaft 219 are integrated.
  • the rotating shaft 219 is formed of a lightweight member such as FRP, for example, and is integrally formed between the lower plate 212 of the upper plate 211 and the upper plate 212 (the inner plate 212) of the lower plate 211. Formed as.
  • FRP lightweight member
  • the blade part 213 according to the second modification is formed in a substantially U-shape and has a curved part R at a corner part.
  • the three blade portions 213 are arranged so as to have an equal interval in the circumferential direction of the pair of plate portions 211.
  • fixed portions 215 that match the disk shape of the plate portion 211 are formed at both ends of the blade portion 213 in order to integrate the blade portion 213 and the pair of plate portions 211.
  • a blade constituent member 217 includes a blade portion 213 and a fixing portion 215 that are integrally formed in a substantially U-shape.
  • the blade 210 according to the second modified example has a blade portion 213 formed on the outer side of the lower plate member 212a of the upper plate portion 211 formed integrally with the rotation shaft 219 and the upper plate member 212b of the lower plate portion 211. And a blade constituent member 217 having a fixing portion 215, and sandwiched by an outer plate 212 (the upper plate 212c of the upper plate 211 and the lower plate 212d of the lower plate 211), for example, by bolts or the like By fixing and joining, the three blade parts 213 and the pair of plate parts 211 are integrated.
  • the blade 210 according to the second modified example has a cage structure formed by combining blade constituent members 217 formed in a substantially U shape, and the blade portion 213 and the rotating shaft 219 The strength of the blade 210 is ensured.
  • the blade 310 according to the third modification includes a pair of disk-shaped plate portions 311 and three blade portions 313 that connect the pair of plate portions 311, as shown in a partial diagram (a) of FIG. 17. , And a pair of plate portions 311, three blade portions 313, and the rotation shaft 319 have an integral structure.
  • the blade 310 according to the third modification is formed by combining frame-shaped blade constituent members 317 as shown in a partial diagram (b) of FIG.
  • the blade-shaped member 317 having a frame shape is composed of a rotary shaft divided body 319 ′ obtained by dividing the blade portion 313 and the rotary shaft 319 into one third from the center of the rotary shaft 319 in the axial direction of the rotary shaft 319. ing. Therefore, by combining the three blade constituent members 317, the three blade portions 313 and the rotating shaft 319 are completed. Then, by connecting the pair of plate portions 311 to both ends of the rotation shaft 319 from this state, the blade 310 according to the third modification is completed.
  • blade 310 which concerns on a 3rd modification it fixes and joins, for example with a volt
  • the blade 310 according to the third modified example has a frame structure formed by combining frame-shaped blade constituent members 317.
  • the frame-shaped blade constituent members 317 increase the strength of the blade portions 317 and the frame.
  • the strength of the blade 310 is ensured.
  • the blade 410 according to the fourth modification includes a pair of disk-shaped plate portions 411 and five blade portions 413 that connect the pair of plate portions 411, The plate portion 411 and the five blade portions 413 are integrated.
  • the blade portion 413 according to the fourth modification is composed of a curved portion R and a straight portion S.
  • the five blade portions 413 are arranged so as to have an equal interval in the circumferential direction of the pair of plate portions 411.
  • Fixing portions 415 that match the disk shape of the plate portion 411 are formed at both ends of the curved portion R of the blade portion 413 so that the blade portion 413 and the pair of plate portions 411 are integrated.
  • the blade constituent member 417 includes the blade portion 413 and the fixing portion 415 that are integrally formed.
  • the blade 410 according to the fourth modification is joined by fixing both ends of the blade constituent member 417, that is, each of the fixing portions 415, by a plate portion 411 including two plate materials 412 and 412 and fixing them with bolts, for example.
  • the five blade portions 413 and the pair of plate portions 411 are integrated.
  • the blade 410 according to the fourth modification has a cage structure formed by combining five blade constituent members 417 formed in a substantially U shape, and has a pair of plate portions 411 and blade portions. 413 and 413 maintain the strength of the blade 410.
  • the board part 411 is arrange
  • FIG. It has a structure. That is, the blade part 413 according to the fourth modification is connected by the plate part 411 and the curved part R, and unlike the blade part 113 according to the first modification, the plate part 411 and the linear part. Not connected with S.
  • the blade 510 according to the fifth modification includes a pair of disk-shaped plate portions 511 and five blade portions 513 that connect the pair of plate portions 511, The plate portion 511 and the five blade portions 513 are integrated.
  • the blade portion 513 according to the fifth modified example is composed of the linear shape portion S.
  • the five blade portions 513 are arranged so as to have an equal interval in the circumferential direction of the pair of plate portions 511.
  • a screw hole (not shown) is formed at both ends of the blade portion 513 in order to integrate the blade portion 513 and the pair of plate portions 511, and these screw holes are fixed portions according to the fifth modification. It functions as 515.
  • a blade 510 according to a fifth modification uses a blade component 517 as a blade portion 513 and a fixed portion 515 that are integrally formed in a linear shape.
  • the blade 510 according to the fifth modification is joined by fixing both ends of the blade constituent member 517, that is, each of the fixing portions 515, to the plate portion 511 including the two plate members 512 and 512, for example, with bolts or the like.
  • the blade 510 according to the fifth modification has a cage structure formed by combining a blade constituent member 517 formed in a linear shape and a pair of plate portions 511, and the pair of plate portions 511. And the blade portion 513 maintain the strength of the blade 510.
  • wing part 513 which concerns on a 5th modification is comprised from the linear shape part S, and the board
  • the number of blade portions (13, 113, 213, 313, 413, 513) can be arbitrarily changed.
  • the friction fastening means 39 according to the present embodiment is formed separately from the hollow shaft 33 and is fixed to the hollow shaft 33, but the friction fastening means 39 may be formed on the hollow shaft 33. Good.
  • the generator 50 is installed above the shaft body 20 and connected in series.
  • the generator 50 is connected to the distal end portion of the shaft body 20 and the distal end portion of the drive shaft 53 of the generator 50, respectively.
  • a pulley can be installed, the pulley can be connected via a timing belt, for example, and the shaft body 20 and the generator 50 can be arranged in parallel to achieve parallel connection.
  • hydroelectric power generator 10 110, 210, 310, 410, 510 blade, 11, 111, 211, 311, 411, 511 plate, 12, 212, 312, 412, 512 plate, 13, 113, 213, 313 , 413, 513 blade part, 15, 115, 215, 315, 415, 515 fixing part, 17, 117, 217, 317, 417, 517 blade component, 219, 319 rotating shaft, 20 shaft body, 21 (shaft body ) Keyway, 22 (shaft) screw hole, 30 bearing support, 31 radial bearing, 32 angular bearing, 33 hollow shaft, 34 slit, 35 (hollow shaft) screw hole, 37 housing, 39 friction fastening means , 39a protrusion, 40 (screw fastening means) screw hole, 41 jig, 42 (jig) screw Hole, 43 1st bolt, 45 2nd bolt, 50 generator, 51 coupling, 53 drive shaft, 54 (drive shaft) keyway, 55 speed increasing device, 57 adapter, 60 support

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hydraulic Turbines (AREA)

Abstract

Cette invention concerne un générateur hydraulique (100), comprenant : une pale (10) qui est entraînée en rotation un flux d'eau ; un corps d'arbre (20) qui tourne avec la rotation de la pale (10) ; une section de support à palier (30) qui est dotée de paliers (31, 32) pour supporter en rotation le corps d'arbre (20) ; et un générateur d'électricité (50) qui génère de l'énergie électrique au moyen de la force d'entraînement en rotation du corps d'arbre (20). Au moins la pale (10), le corps d'arbre (20), la section de support à palier (30), et le générateur d'électricité (50) sont construits sous forme d'unités modulaires. L'adoption de cette configuration permet d'obtenir un générateur hydraulique facile à assembler et à installer sans utilisation d'une machinerie lourde et encombrante. L'invention concerne en outre un procédé d'assemblage dudit générateur hydraulique.
PCT/JP2015/004076 2014-09-05 2015-08-17 Générateur hydraulique et procédé d'assemblage de générateur hydraulique WO2016035264A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-181240 2014-09-05
JP2014181240A JP6423207B2 (ja) 2014-09-05 2014-09-05 水力発電装置及び水力発電装置の組立方法

Publications (1)

Publication Number Publication Date
WO2016035264A1 true WO2016035264A1 (fr) 2016-03-10

Family

ID=55439354

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/004076 WO2016035264A1 (fr) 2014-09-05 2015-08-17 Générateur hydraulique et procédé d'assemblage de générateur hydraulique

Country Status (3)

Country Link
JP (1) JP6423207B2 (fr)
TW (1) TW201619497A (fr)
WO (1) WO2016035264A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI669449B (zh) * 2018-11-14 2019-08-21 楊明恭 Water flow power generation device
TWI704752B (zh) * 2019-08-23 2020-09-11 四季洋圃生物機電股份有限公司 流體發電閥

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2413827A (en) * 2004-05-05 2005-11-09 Rupert John Armstrong Evans Modular water turbine system
JP2010507043A (ja) * 2006-10-20 2010-03-04 オーシヤン・リニユーアブル・パワー・カンパニー・エルエルシー 海流及び潮汐流用の潜水可能なタービン発電機ユニット
WO2010086958A1 (fr) * 2009-01-27 2010-08-05 シーベルインターナショナル株式会社 Dispositif générateur d'énergie hydraulique
JP2013503995A (ja) * 2009-09-02 2013-02-04 ブルー エナジー カナダ インコーポレイテッド 流体力学的配列によって支持される高架橋
JP2013053615A (ja) * 2011-08-05 2013-03-21 Hokuriku Seiki:Kk 水力発電装置とその設置方法
JP2014015904A (ja) * 2012-07-10 2014-01-30 Thk Co Ltd 水力発電装置
JP2014034923A (ja) * 2012-08-08 2014-02-24 Thk Co Ltd 水力発電装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2413827A (en) * 2004-05-05 2005-11-09 Rupert John Armstrong Evans Modular water turbine system
JP2010507043A (ja) * 2006-10-20 2010-03-04 オーシヤン・リニユーアブル・パワー・カンパニー・エルエルシー 海流及び潮汐流用の潜水可能なタービン発電機ユニット
WO2010086958A1 (fr) * 2009-01-27 2010-08-05 シーベルインターナショナル株式会社 Dispositif générateur d'énergie hydraulique
JP2013503995A (ja) * 2009-09-02 2013-02-04 ブルー エナジー カナダ インコーポレイテッド 流体力学的配列によって支持される高架橋
JP2013053615A (ja) * 2011-08-05 2013-03-21 Hokuriku Seiki:Kk 水力発電装置とその設置方法
JP2014015904A (ja) * 2012-07-10 2014-01-30 Thk Co Ltd 水力発電装置
JP2014034923A (ja) * 2012-08-08 2014-02-24 Thk Co Ltd 水力発電装置

Also Published As

Publication number Publication date
JP6423207B2 (ja) 2018-11-14
TW201619497A (zh) 2016-06-01
JP2016056695A (ja) 2016-04-21

Similar Documents

Publication Publication Date Title
EP1910708B1 (fr) Systeme de train planetaire a arbres flexibles
JP5767112B2 (ja) 風力タービンロータ及び風力タービン
US9771924B2 (en) Wind turbine power transmission system
US8951162B1 (en) Drive train transmission
CN102374122A (zh) 用于风力涡轮机的偏航组件
JP2008546948A (ja) 単一メインベアリングを有する風力発電機
WO2011024898A1 (fr) Structure de palier de satellite
US9028361B2 (en) Modular gear unit for a wind turbine
CN108026975A (zh) 用于风力发电设备的具有滑动支承的行星齿轮的行星齿轮传动机构
US9793777B2 (en) Rotor bearing for an electrical machine
JP2009036208A (ja) ロータ位置合せシステム及び方法
JP6423207B2 (ja) 水力発電装置及び水力発電装置の組立方法
WO2011027427A1 (fr) Génératrice éolienne
JP5148346B2 (ja) 風力発電装置
JP4909578B2 (ja) 風車用駆動装置
CN102099599A (zh) 行星增速机
CN203257909U (zh) 动力传输系统和风力涡轮机
US20200309098A1 (en) System and method for reducing the transport width of a gearbox for a wind turbine
US11466669B2 (en) Drive train arrangement
JP2006249982A (ja) 風力発電装置
CN219317562U (zh) 齿轮箱及风力发电机组
US11873795B2 (en) Wind turbine main rotor turning systems
JP2005233277A (ja) 遊星歯車装置の歯車締結構造
DK202070239A1 (en) Improvements relating to preloading wind turbine main shaft bearings
GB2501371A (en) A module for a wind turbine gear box

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15837230

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15837230

Country of ref document: EP

Kind code of ref document: A1