JP2006009711A - Blade for wind power generator - Google Patents

Blade for wind power generator Download PDF

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JP2006009711A
JP2006009711A JP2004189082A JP2004189082A JP2006009711A JP 2006009711 A JP2006009711 A JP 2006009711A JP 2004189082 A JP2004189082 A JP 2004189082A JP 2004189082 A JP2004189082 A JP 2004189082A JP 2006009711 A JP2006009711 A JP 2006009711A
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blade
shaft
arm
gear
attached
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JP4150699B2 (en
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Yuzo Kawai
雄三 川合
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Suiden Co Ltd
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    • 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
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that a blade having a constant wind receiving area is dangerous because the blade, etc., are damaged and the blade is scattered due to a high speed rotation in a strong wind, and in which complicated equipment for making the pitch of the blade changeable is connected to a blade shaft. <P>SOLUTION: In a windmill, the blade shaft 4 and an arm shaft 5 are opposed and rotatably installed in a hollow part of a main blade 1, and each base end is projected from the hollow part. A flap 2 is pivoted to an arm 6 end attached to the arm shaft. The arm is appeared from and disappeared into an opening 3 installed in the hollow part. The blade shaft is rotatably mounted in a cylinder 12 radially attached to the periphery of a hub 10 for setting the blade opposite to a disk 8 for setting a governor 7. The base end of the blade shaft is centripetally projected from the cylinder. A sector gear 13 is fitted in the projection. The sector gear is engaged with a bevel gear 6 formed in the disk for setting the governor. An inner gear 16 is fitted in the centrifugal projection of the cylinder, and engaged with a gear 17 fitted in the projection of the arm shaft. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は風力発電機の風車に関する。 The present invention relates to a wind turbine of a wind power generator.

従来の風力発電機のブレード（風車）は、複数葉のブレードをハブを介して発電機軸に放射状に取り付けている。しかしながら、各ブレードの構造は単葉式であつて受風面積は一定であり、（例えば、特許文献１参照。）
また、強風時にブレードが破損しないようにブレードのピッチを可変構造としているものもある。（例えば、特許文献２参照。）
特開２００３−４２０５３号公報（図１） 特開平７−４３４５号公報（図２） In a conventional wind power generator blade (wind turbine), a plurality of blades are radially attached to a generator shaft via a hub. However, the structure of each blade is a single leaf type, and the wind receiving area is constant (see, for example, Patent Document 1).
In some cases, the pitch of the blades is variable so that the blades are not damaged during strong winds. (For example, see Patent Document 2.)
Japanese Patent Laying-Open No. 2003-42053 (FIG. 1) Japanese Patent Laid-Open No. 7-4345 (FIG. 2)

ブレードの受風面積が一定である場合は、強風時に高速回転しブレードや機器を破損し、特にブレードが飛散すると危険であり、また、ブレードのピッチを可変とするための複雑な構造の装置をブレード軸に連結している。     If the wind receiving area of the blade is constant, it is dangerous to rotate the blade and equipment by rotating at high speed during strong winds, especially when the blade is scattered, and a device with a complicated structure to make the pitch of the blade variable. It is connected to the blade shaft.

解決しようとする問題点は、ブレード自体が単葉式であり風力の強弱に対応し受風面積を拡大縮小できる複葉式でないことにあり、本発明は、主ブレードに添設したフラップをガバナ（風力調速装置）の作用で出没させ、簡単な構造で受風効率を良くし、機器を破損しないようにすることを目的とする。   The problem to be solved is that the blade itself is a single-leaf type and is not a double-leaf type that can respond to the strength of wind power and can expand and reduce the wind receiving area. The purpose is to improve the wind receiving efficiency with a simple structure and prevent damage to the equipment.

主ブレード空胴部にブレード軸を回動可能に装着し、ブレード軸の基端を空胴部から突出させ、ブレード軸と対向してアーム軸を空胴部に回動可能に装着し、かつ、アーム軸の基端を空胴部から突出させると共に、空胴部に開口を設けてアーム軸を臨ませ、アーム軸にアームを取り付けてアーム端にフラップを枢着し、主ブレードとフラップとから構成されるブレード群のブレード軸を、円盤状のハブ周縁部に放射状に取り付けた筒体に、回動可能に装着し、前面にガバナを取り付け、背面の周縁部にベベルギヤを形成した円盤をハブ水平軸の前端に取り付け、ブレード軸の基端部に扇形ギヤを嵌着して該円盤のベベルギヤと噛合させると共に、筒体の遠心側の突出部にインナーギヤを嵌着し、アーム軸の突出端に嵌着したプレーンギヤと噛合させる。   A blade shaft is rotatably mounted on the main blade cavity, a base end of the blade shaft is protruded from the cavity, and an arm shaft is rotatably mounted on the cavity facing the blade shaft. The base end of the arm shaft protrudes from the cavity, and an opening is provided in the cavity to face the arm shaft. The arm is attached to the arm shaft, and a flap is pivotally attached to the arm end. A disk with a blade shaft of a group of blades mounted on a cylindrical body radially attached to a peripheral edge of a disk-like hub, a governor attached to the front surface, and a bevel gear formed on the peripheral edge of the rear surface. It is attached to the front end of the horizontal shaft of the hub, and a fan-shaped gear is fitted to the base end of the blade shaft to engage with the bevel gear of the disk, and an inner gear is fitted to the protruding portion on the centrifugal side of the cylinder, Engage with the plain gear fitted on the protruding end. Make.

地上等に設置される基台に筒状タワーを回転自在に立設し、タワーの上部に天板を取り付け、天板に軸受を設けてハブ水平軸を支承し、基台内に発電機を、タワー内に垂直な発電機軸をそれぞれ内蔵し、発電機軸の上部突出端にベベルギヤを嵌着し、ハブ水平軸の後部に嵌着したベベルギヤと噛合させ、タワーの上部に風向板を垂直方向へ取り付け、かつ補助ブレードを風向板に設けている円孔に回転自在に装着し、タワーを回転させる主スプロケットをタワーの下部に嵌着し、補助ブレードの中心軸と該主スプロケットを中間スプロケットを介在させてチェンを掛架した、ブレード群と一体の風向板が過剰に旋回するのを防止する装置は、出願人が先に特許出願に及んでいる。   A cylindrical tower is set up on a base installed on the ground, etc., and a top plate is attached to the top of the tower. A bearing is provided on the top plate to support the horizontal axis of the hub, and a generator is installed in the base. A vertical generator shaft is built in the tower, a bevel gear is fitted on the upper protruding end of the generator shaft, and meshed with a bevel gear fitted on the rear of the hub horizontal shaft. Attach the auxiliary blade to the circular hole provided in the wind direction plate, attach the main sprocket that rotates the tower to the lower part of the tower, and interpose the central axis of the auxiliary blade and the main sprocket with the intermediate sprocket A device that prevents the wind direction plate integrated with the blade group from being excessively swung around the chain has been filed by the applicant in advance.

本発明は、主ブレードの片側または両側に添設したフラップを、ガバナの作用で風力に応じ主ブレードから出没させ、簡単な構造で受風効率を良くし、かつ、機器を破損せず、主ブレード及びフラップが飛散する危険がない。   In the present invention, the flap attached to one side or both sides of the main blade is caused to appear and disappear from the main blade according to the wind force by the action of the governor, the wind receiving efficiency is improved with a simple structure, and the equipment is not damaged. There is no risk of the blades and flaps scattering.

図１は本発明を示す外観側面図、図２は同、正面図、図３はガバナを示す正面図、図４はガバナを取り付けた円盤の背面周縁部に形成しているベベルギヤに、主ブレードのブレード軸に取り付けた扇形ギヤを噛合させ、ブレード軸と対向するアーム軸を主ブレードの空胴部に回動可能に装着し、アームを取り付けたアーム軸の上端にプレーンギヤを嵌着し、ブレード軸の基端部を回動可能に装着する筒体に嵌着しているインナーギヤと、該プレーンギヤを噛合させている状態を示す要部切欠拡大背面図であり、
ブレードＢは、主ブレード１と主ブレード１に出没自在に添設するフラップ２とからなり、
主ブレード１は、骨組みリブ１ａを並列し外板１ｂを張設することにより空胴部を形成し、外板１ｂの一部を切欠いて開口３を設ける。 1 is a front view of the present invention, FIG. 2 is a front view of the same, FIG. 3 is a front view of a governor, and FIG. 4 is a main blade on a bevel gear formed on the peripheral edge of the back surface of a disc to which the governor is attached. The fan-shaped gear attached to the blade shaft is meshed, the arm shaft facing the blade shaft is rotatably mounted on the cavity of the main blade, and the plain gear is fitted on the upper end of the arm shaft to which the arm is attached, It is a main part cutout enlarged rear view showing a state in which the inner gear fitted to a cylinder body rotatably attached to the base end portion of the blade shaft and the plain gear are engaged with each other,
Blade B is composed of a main blade 1 and a flap 2 attached to the main blade 1 so as to be able to appear and retract.
The main blade 1 forms a hollow portion by arranging the frame ribs 1a in parallel and stretching the outer plate 1b, and cuts out a part of the outer plate 1b to provide the opening 3.

骨組みリブ１ａにブレード軸４を回動可能にに嵌挿し、ブレード軸４の基端を空胴部から突出させると共に、ブレード軸４と並列してアーム軸５を骨組みリブ１ａに回動可能にに嵌挿し、アーム軸５にアーム６を取り付け、その端部をフラップ２の裏面に枢着し、アーム６を開口３から出没させる。   The blade shaft 4 is rotatably inserted into the frame rib 1a so that the base end of the blade shaft 4 protrudes from the cavity, and the arm shaft 5 can be rotated to the frame rib 1a in parallel with the blade shaft 4. The arm 6 is attached to the arm shaft 5, the end of the arm 6 is pivotally attached to the back surface of the flap 2, and the arm 6 is projected and retracted from the opening 3.

風力の強弱に応じてブレードＢを適切な回転速度に保持する調速用ガバナ７を、ガバナ取付け用円盤８の前面側に配置し、その背面側の周縁部にベベルギヤ９を形成する。   A governing governor 7 for maintaining the blade B at an appropriate rotational speed according to the strength of the wind power is disposed on the front side of the governor mounting disk 8, and a bevel gear 9 is formed on the peripheral portion on the back side.

ガバナ取付け用円盤８と、ガバナ取付け用円盤８に対面するブレード取付け用ハブ１０に回転軸１１を同軸に取り付け、ブレード取付け用ハブ１０の周縁部に、ブレード軸４の基端部を嵌挿する筒体１２を、遠心方向へ突出させて放射状に取り付ける。   The rotating shaft 11 is coaxially mounted on the governor mounting disk 8 and the blade mounting hub 10 facing the governor mounting disk 8, and the base end of the blade shaft 4 is inserted into the peripheral edge of the blade mounting hub 10. The cylindrical body 12 is attached radially by projecting in the centrifugal direction.

ブレード軸４の基端部を筒体１２から求心方向へ突出させ、その突出部に扇形ギヤ１３を嵌着すると共に、ブレード軸４が筒体１０から脱落しないようにブレード軸４の突出部にブッシュ１４を被せ、ピン１５で止着する。   The base end portion of the blade shaft 4 is projected from the cylindrical body 12 in the centripetal direction, and the fan-shaped gear 13 is fitted to the protruding portion, and the blade shaft 4 is prevented from dropping off from the cylindrical body 10 at the protruding portion of the blade shaft 4. Cover the bush 14 and fasten it with the pin 15.

扇形ギヤ１３は、ガバナ取付け用円盤８に形成したベベルギヤ９と噛合し、調速用ガバナ７の作用で強風時にブレードＢが過回転しないよう調速する。   The sector gear 13 meshes with a bevel gear 9 formed on the governor mounting disk 8 and adjusts the speed of the blade B so that it does not over-rotate under strong winds by the action of the governor governor 7.

筒体１２の遠心方向の突出部にインナーギヤ１６を嵌着し、前記アーム軸５の突出部に嵌着しているプレーンギヤ１７と噛合させ、ブレード軸４の回動と同期してアーム６を揺動させる。   An inner gear 16 is fitted on the protruding portion of the cylindrical body 12 in the centrifugal direction, meshed with the plain gear 17 fitted on the protruding portion of the arm shaft 5, and the arm 6 is synchronized with the rotation of the blade shaft 4. Oscillate.

図９は主ブレード１の両面にフラップ２を出没自在に添設した、強風時から弱風時にかけてのフラップ２の動作を示す説明図であり、アーム６ａの中央部をアーム軸５に取り付け、アーム６ａの両端をフラップ２ａの裏面に枢着し、かつ、主ブレード１の前縁と後縁に、それぞれ補助アーム６ｂを枢着してフラップ２ａを安定良く主ブレード１の両面に添設している。   FIG. 9 is an explanatory view showing the operation of the flap 2 from the time of strong wind to the time of weak wind, with the flap 2 attached to both sides of the main blade 1 so as to be able to move in and out. Both ends of the arm 6a are pivotally attached to the back surface of the flap 2a, and the auxiliary arms 6b are pivotally attached to the front edge and the rear edge of the main blade 1, respectively, so that the flap 2a is stably attached to both surfaces of the main blade 1. ing.

図３は調速用ガバナ７の正面図を示し、前記した回転軸１１にハブ１８を取り付け、ハブ１８に遠心力制御用のアーム部材１９を放射状に取り付け、かつ、アーム部材１９の先端にバランサ２０を付着すると共に、ハブ１８と、一部のアーム部材１９の先端間にわたり引張りコイルばね２１を弾支しており、風速が増してブレードＢの回転数が増すと、バランサ２０と引張りコイルばね２１の作用でガバナ取付け用円盤８と主ブレード１が過回転するのを抑止する。   FIG. 3 shows a front view of the governor 7 for speed control. A hub 18 is attached to the rotary shaft 11, arm members 19 for centrifugal force control are attached radially to the hub 18, and a balancer is attached to the tip of the arm member 19. 20, and a tension coil spring 21 is elastically supported between the hub 18 and the tip of some arm members 19. When the wind speed increases and the rotation speed of the blade B increases, the balancer 20 and the tension coil spring 21 prevents the governor mounting disk 8 and the main blade 1 from over-rotating.

ブレードＢが受風してブレード取付け用ハブ１０が回転すると、軸受２２で支承されている回転軸１１も共回転し、回転軸１１に嵌着したベベルギヤ２３と、発電機（図示せず）を内蔵している基台２４に旋回自在に立設したタワー２５内に挿通されている発電基軸２６の上部突出端にベベルギヤ２７を嵌着し、ベベルギヤ２３とベベルギヤ２７とを噛合させる発電機構と、
タワー２５の急激なヨー旋回抑制のため、タワー２５に風向板２８を取り付け、風向板２８に円孔を設けて補助ブレード２９を収容し、タワー２５の基部にギヤ３０を嵌着し、補助ブレード２９の軸に軸支したギヤ３１と該ギヤ３０を、中間ギヤ３２を介在させて噛合させる機構は、本発明の出願人が先に特許出願に及んだ特願２０００４ー１３９９４の機構と同一であるため詳説しない。
尚、図５から図８までは、主ブレード１の片側にフラップ２を出没自在に添設
し、強風時にはフラップ２が受風しないように主ブレード１に添って畳まれている状態から、弱風時にかけて順次にフラップ２が主ブレード１から離間してブレードＢの受風面積を拡大している状態を示している。 When the blade B receives wind and the blade mounting hub 10 rotates, the rotating shaft 11 supported by the bearing 22 also rotates together, and a bevel gear 23 fitted to the rotating shaft 11 and a generator (not shown) are connected. A power generation mechanism that fits the bevel gear 23 and the bevel gear 27 by fitting the bevel gear 27 to the upper projecting end of the power generation base shaft 26 that is inserted into a tower 25 that is slidably mounted on a built-in base 24.
In order to suppress the rapid yaw rotation of the tower 25, the wind direction plate 28 is attached to the tower 25, a circular hole is provided in the wind direction plate 28 to accommodate the auxiliary blade 29, and the gear 30 is fitted to the base of the tower 25, and the auxiliary blade The mechanism for meshing the gear 31 pivotally supported on the shaft 29 and the gear 30 with the intermediate gear 32 interposed is the same as the mechanism of Japanese Patent Application No. 20000004-13994 that the applicant of the present invention previously applied for a patent. Therefore, it will not be described in detail.
5 to 8, the flap 2 is attached to one side of the main blade 1 so that it can be moved in and out, and when the wind is strong, the flap 2 is folded along the main blade 1 so as not to receive wind. A state is shown in which the flaps 2 are sequentially separated from the main blade 1 to increase the wind receiving area of the blade B over the wind.

フラップの動作
１ 図５は、主ブレード１と、主ブレード１の片側に設けられフラップ２が、強風時に受風面積を縮小するため、ガバナ７の作用とベベルギヤ９、扇形ギヤ１３、インナーギヤ１６及びプレーンギヤ１７の噛合によりで主ブレード１が風向きと平行する方向へ回動すると共に、アーム軸５の回動でアーム６が主ブレード１の外板１ｂに添うように折り畳まれた状態を示し、アーム６は開口３内へ収容されている。
２ 図６は、風力が減少し始め、主ブレード１が風向きに対し受風角度を徐々に変更し始めており、ガバナ７の作用によるブレード軸４の回動に伴ってアーム軸５も回動し、アーム６が開口３から臨出しフラップ２が主ブレード１から離間し始めている状態を示している。
３ 図７は、更に風力が減少したため、フラップ２が主ブレード１から離間している状態を示している。
４ 図８は、弱風となり受風面積を最大限まで拡大するため、主ブレード１及びフラップ２の風向きに対する受風角度が変化している状態を示している。
５ 図９は、主ブレード１の両面にフラップ２ａを、アーム軸６ａと補助アーム６ｂの連結によって取り付け、矢印のように、強風時から順次に弱風時に至るにつれてフラップ２ａが主ブレード１から離間していく状態の平面説明図であり、より受風面積が拡大し発電効率が向上する。
６ 図１０は、主ブレード１の両面にフラップ２ａを、アーム軸６ａと補助アームを介し取り付けた状態を示す正面図であり、フラップ２ａが主ブレード１から離間し始め、主ブレード１及びフラップ２ａが受風角度を変化させている状態を示している。
７ 図１１は、弱風のため主ブレード１及びフラップ２ａを最大限まで風向きに対面させる受風角度に変化させている状態を示している。 FIG. 5 shows the operation of the governor 7, the bevel gear 9, the fan gear 13, and the inner gear 16 because the main blade 1 and the flap 2 provided on one side of the main blade 1 reduce the wind receiving area when the wind is strong. In addition, the main blade 1 is rotated in a direction parallel to the wind direction by the engagement of the plain gear 17 and the arm 6 is folded so as to follow the outer plate 1 b of the main blade 1 by the rotation of the arm shaft 5. The arm 6 is accommodated in the opening 3.
2 FIG. 6 shows that the wind force begins to decrease, the main blade 1 gradually begins to change the wind receiving angle with respect to the wind direction, and the arm shaft 5 also rotates as the blade shaft 4 rotates due to the action of the governor 7. The arm 6 protrudes from the opening 3 and the flap 2 starts to be separated from the main blade 1.
3 FIG. 7 shows a state in which the flap 2 is separated from the main blade 1 because the wind power is further reduced.
4 FIG. 8 shows a state in which the wind receiving angle with respect to the wind direction of the main blade 1 and the flap 2 is changed in order to reduce the wind receiving area to the maximum extent because the wind is weak.
5 FIG. 9 shows that the flaps 2a are attached to both surfaces of the main blade 1 by connecting the arm shaft 6a and the auxiliary arm 6b. It is a plane explanatory drawing of the state which carries out, and a wind receiving area is expanded more and power generation efficiency improves.
FIG. 10 is a front view showing a state in which the flaps 2a are attached to both surfaces of the main blade 1 via the arm shaft 6a and the auxiliary arm. The flap 2a starts to be separated from the main blade 1, and the main blade 1 and the flap 2a Indicates a state where the wind receiving angle is changed.
FIG. 11 shows a state in which the wind receiving angle is changed so that the main blade 1 and the flap 2a face to the maximum in the wind direction because of the weak wind.

図１２は、図１１のＡ−Ａ線切断端面図であり、一方のフラップ２ａが弯曲し、かつ、主ブレード１との離間部から風を逃がしブレードＢがバタつかないようにしている。   FIG. 12 is an end view taken along line AA of FIG. 11, in which one flap 2 a is bent, and air is released from a portion separated from the main blade 1 so that the blade B does not flutter.

本発明を示す外観側面図。The external appearance side view which shows this invention. 同、正面図。Same as above, front view. ガバナを示す正面図。The front view which shows a governor. 本発明の要部を示す拡大背面図。The expanded rear view which shows the principal part of this invention. 主ブレードの片側に設けられフラップが、強風時に受風面積を縮小するため主ブレードの開口へ収容されている状態を示す斜視図。The perspective view which shows the state in which the flap provided in the one side of the main blade was accommodated in the opening of the main blade in order to reduce a wind receiving area at the time of a strong wind. 風力が減少し、フラップが主ブレードから徐々に離間し、かつ、主ブレード及びフラップの受風角度が変化している状態を示す斜視図。FIG. 3 is a perspective view showing a state in which wind power is reduced, a flap is gradually separated from a main blade, and a wind receiving angle of the main blade and the flap is changed. 更に風力が減少したため、フラップ２が主ブレード１から大きく離間している状態を示している。Further, since the wind power is reduced, the flap 2 is greatly separated from the main blade 1. 弱風となり受風面積を最大限まで拡大するため、主ブレード１及びフラップ２の風向きに対する受風角度を変化させている状態を示している。The figure shows a state where the wind receiving angle with respect to the wind direction of the main blade 1 and the flap 2 is changed in order to reduce the wind receiving area to the maximum. 主ブレードの両面にフラップを出没自在に取り付け、強風時から順次に弱風時に至るにつれてフラップが主ブレード１から離間していく状態を示す平面説明図。FIG. 3 is an explanatory plan view showing a state in which flaps are attached to both surfaces of the main blade so that the flaps can be moved in and out, and the flaps are separated from the main blade 1 in order from the time of strong wind to the time of weak wind. 主ブレードの両面にフラップを、アーム軸と補助アームを介し取り付けた状態を示す正面図。The front view which shows the state which attached the flap to both surfaces of the main blade via the arm axis | shaft and the auxiliary arm. 弱風のため主ブレード及びフラップを最大限まで風向きに対面させる受風角度に変化させている状態を示す斜視図。The perspective view which shows the state changed to the wind receiving angle which makes a main blade and a flap face a wind direction to the maximum because of a weak wind. 図１１のＡ−Ａ線切断端面図。FIG. 12 is an end view taken along line AA in FIG. 11.

符号の説明Explanation of symbols

Ｂ ブレード １ 主ブレード ２、２ａ フラップ ３ 開口
４ ブレード軸 ５ アーム軸 ６、６ａ アーム ６ｂ 補助アーム
７ ガバナ ８ ガバナ取付け用円盤 ９、２３、２７ ベベルギヤ
１０ ブレード取付け用ハブ １１ 回転軸 １２ 筒体
１３ 扇形ギヤ １６ インナーギヤ １７ プレーンギヤ B blade 1 main blade 2, 2a flap 3 opening 4 blade shaft 5 arm shaft 6, 6a arm 6b auxiliary arm 7 governor 8 governor mounting disk 9, 23, 27 bevel gear 10 blade mounting hub 11 rotating shaft 12 cylinder
13 Fan Gear 16 Inner Gear 17 Plain Gear

Claims (1)

主ブレードに形成される空胴部にブレード軸を回動可能に装着し、かつ、ブレード軸の基端を空胴部から突出させ、ブレード軸と対向してアーム軸を空胴部に回動可能に装着し、かつ、アーム軸の基端を空胴部から突出させると共に、空胴部に開口を設け、アーム軸にアームを取り付けてアーム端にフラップを枢着し、主ブレードとフラップとから構成されるブレードのブレード軸の基端を、ガバナを取り付けたガバナ取付け用円盤と対面するブレード取付け用ハブの周縁部に放射状に取り付けている筒体に回動可能に取り付け、ブレード軸の基端部を筒体から求心方向へ突出させ、その突出部に扇形ギヤを嵌着し、扇形ギヤをガバナ取付け用円盤に形成したベベルギヤと噛合させ、筒体の遠心方向の突出部にインナーギヤを嵌着し、アーム軸の突出部に嵌着しているギヤと噛合させて成る風力発電機用ブレード。   The blade shaft is rotatably mounted on the cavity formed on the main blade, and the base end of the blade shaft protrudes from the cavity, and the arm shaft rotates to the cavity facing the blade shaft. The base end of the arm shaft protrudes from the cavity, and an opening is provided in the cavity. The arm is attached to the arm shaft, and a flap is pivotally attached to the arm end. The base end of the blade shaft of the blade is configured to be pivotably attached to a cylindrical body that is radially attached to the peripheral edge of the blade mounting hub that faces the governor mounting disk to which the governor is mounted. The end is protruded from the cylinder in the centripetal direction, a fan-shaped gear is fitted to the protruding part, the fan-shaped gear is engaged with a bevel gear formed on a disc for attaching a governor, and an inner gear is connected to the protruding part in the centrifugal direction of the cylinder. Fitted and arm Wind power generator blades made by gear mesh that is fitted to the projecting portion.
JP2004189082A 2004-06-28 2004-06-28 Wind generator blade Active JP4150699B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100963765B1 (en) 2008-02-26 2010-06-14 김재효 A RPM Compensation Equipment of Windmill Wings
WO2011134985A1 (en) * 2010-04-27 2011-11-03 Lm Glasfiber A/S Wind turbine blade provided with a slat assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100963765B1 (en) 2008-02-26 2010-06-14 김재효 A RPM Compensation Equipment of Windmill Wings
WO2011134985A1 (en) * 2010-04-27 2011-11-03 Lm Glasfiber A/S Wind turbine blade provided with a slat assembly
US10352294B2 (en) 2010-04-27 2019-07-16 Lm Wp Patent Holding A/S Wind turbine provided with a slat assembly

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