JP5791835B1 - Rotary motion transmission device and generator using the same - Google Patents
Rotary motion transmission device and generator using the same Download PDFInfo
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- 230000004323 axial length Effects 0.000 claims abstract description 4
- 238000010248 power generation Methods 0.000 description 11
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
【課題】急に高速回転等された場合に回転運動を伝達しない回転運動伝達装置を提供する。【解決手段】本発明の回転運動伝達装置７は、出力軸１１を有している筒状体１３と、筒状体が回転可能なように、出力軸を挟んで向かい合って配置される一対の第１、第２棒磁石１４、１５と、入力軸９の回転に伴って第１、第２棒磁石を交互に筒状体から離す操作部１６とを備え、筒状体の外周面には、軸方向長さの中点にある始点から出力軸を挟んで反対側にある両端に向かって並べられ、第１、第２棒磁石の両端に引き寄せられる引力が作用するように極性が設定されている複数の磁石と、外周面の複数の磁石の無い側に両端から前記始点に向かって並べられ、第１、第２棒磁石の両端から離れようとする斥力が作用するように極性が設定されている複数の磁石とを有している。操作部によって筒状体を一回転させて入力軸の回転運動を出力軸に伝達させる。【選択図】図２Provided is a rotational motion transmission device that does not transmit rotational motion when it is suddenly rotated at a high speed or the like. A rotary motion transmission device 7 according to the present invention includes a pair of cylinders 13 each having an output shaft 11 and a pair of members disposed opposite to each other across the output shaft so that the cylinder can rotate. The first and second bar magnets 14 and 15 and the operation unit 16 that alternately separates the first and second bar magnets from the cylindrical body as the input shaft 9 rotates are provided on the outer peripheral surface of the cylindrical body. The polarity is set so that an attractive force is applied to both ends of the first and second bar magnets, arranged from the starting point at the midpoint of the axial length toward the opposite ends across the output shaft. The polarity is set so that the repulsive force acting from the both ends of the first and second bar magnets is applied to the plurality of magnets that are arranged on both sides of the outer peripheral surface from the both ends toward the starting point. A plurality of magnets. The cylindrical body is rotated once by the operation unit to transmit the rotational motion of the input shaft to the output shaft. [Selection] Figure 2
Description
本発明は、入力軸に与えられた回転運動を出力軸に伝達する回転運動伝達装置に関し、特に、当該回転運動伝達装置を用いた発電機に関する。 The present invention relates to a rotary motion transmission device that transmits a rotary motion applied to an input shaft to an output shaft, and more particularly to a generator using the rotary motion transmission device.
従来、風力により回転される羽根車と、当該羽根車の回転軸の回転に伴い発電を行う発電装置と、単位時間当たりの回転軸の回転数が制限値を超えた場合、前記発電装置保護のために当該回転軸の回転数を抑えるブレーキ機構とを備えた発電機が知られている（特許文献１）。 Conventionally, when the impeller rotated by wind power, the power generation device that generates power with the rotation of the rotation shaft of the impeller, and the rotation speed of the rotation shaft per unit time exceed the limit value, the power generation device protection Therefore, a generator including a brake mechanism that suppresses the rotational speed of the rotating shaft is known (Patent Document 1).
前記ブレーキ機構を有していても、台風又は爆弾低気圧の発生により生じる突風及び強風によって、羽根車が壊される被害が発生している。 Even if it has the said brake mechanism, the damage which the impeller is destroyed by the gust and strong wind which generate | occur | produce by generation | occurrence | production of a typhoon or a bomb low pressure has generate | occur | produced.
本発明は、上記従来例の問題を解決するためになされたものであり、発電機などで用いることができ、上記羽根車が停止状態から急に高速回転されることによって発電装置に与えられる高負荷、上記羽根車が想定値以上に高速に回転することによって発電装置に与えられる過剰な負荷を、ブレーキ機構を用いることなく抑制できる回転運動伝達装置を提供することを目的とする。 The present invention has been made in order to solve the above-described problems of the conventional example, and can be used in a generator or the like. The impeller is a high power applied to a power generator by suddenly rotating at high speed from a stopped state. It is an object of the present invention to provide a rotary motion transmission device that can suppress an excessive load applied to a power generation device when the load and the impeller rotate at a speed higher than an assumed value without using a brake mechanism.
上記目的を達成するために本発明は、入力軸の回転に応じて出力軸を回転させる回転運動伝達装置において、前記出力軸を有している筒状体と、前記筒状体が回転可能なように、前記出力軸を挟んで向かい合って配置される一対の第１、第２棒磁石と、前記入力軸の回転に伴って前記第１、第２棒磁石を交互に前記筒状体から離す操作部と、を備えており、前記筒状体の外周面には、軸方向長さの中点にある始点から前記出力軸を挟んで反対側にある両端に向かって並べられ、第１、第２棒磁石の両端に引き寄せられる引力が作用するように極性が設定されている複数の磁石と、当該外周面の前記複数の磁石の無い側に前記両端から前記始点に向かって並べられ、第１、第２棒磁石の両端から離れようとする斥力が作用するように極性が設定されている複数の磁石とを有しており、前記操作部によって、前記第１棒磁石が前記筒状体から離れている間に前記第２棒磁石が前記引力及び斥力の作用によって前記筒状体を予め定めた向きに半回転させ、前記第２棒磁石が前記筒状体から離れている間に前記第１棒磁石が前記引力及び斥力の作用によって前記筒状体を前記予め定めた向きに半回転させる動作を繰り返し、これによって前記筒状体を一回転させて前記入力軸の回転運動を前記出力軸に伝達させる、ことを特徴とする。 In order to achieve the above object, the present invention provides a rotary motion transmission device that rotates an output shaft according to rotation of an input shaft, and a cylindrical body having the output shaft, and the cylindrical body is rotatable. As described above, a pair of first and second bar magnets arranged facing each other across the output shaft, and the first and second bar magnets are alternately separated from the cylindrical body as the input shaft rotates. An operation portion, and is arranged on the outer peripheral surface of the cylindrical body from the start point at the midpoint of the axial length toward both ends on the opposite side across the output shaft, A plurality of magnets whose polarity is set so that an attractive force attracted to both ends of the second bar magnet acts, and are arranged from the both ends toward the starting point on the outer peripheral surface where the plurality of magnets are not present, 1. Polarity is set so that repulsive force acting away from both ends of the 2nd bar magnet acts. A plurality of magnets, and the second bar magnet is actuated by the attractive force and the repulsive force while the first bar magnet is separated from the tubular body by the operating portion. The body is rotated halfway in a predetermined direction, and the first bar magnet moves the cylindrical body by the action of the attractive force and the repulsive force while the second bar magnet is separated from the cylindrical body. In this case, the cylindrical body is rotated once to transmit the rotational movement of the input shaft to the output shaft.
本発明の回転運動伝達装置は、前記外周面に並べられている複数の磁石の軸が、前記筒状体の外周面に接する向きで、前記一対の棒磁石に対して３０度から６０度の間の角度に配置されていることが好ましい。 In the rotational motion transmission device according to the present invention, the shafts of the plurality of magnets arranged on the outer peripheral surface are in contact with the outer peripheral surface of the cylindrical body, and have an angle of 30 to 60 degrees with respect to the pair of bar magnets. It is preferable to arrange | position at the angle of between.
また、本発明の発電機は、外力を受けて回転される羽根車と、前記羽根車の回転軸に連結された前記入力軸を有している、前記いずれかの回転運動伝達装置と、前記回転運動伝達装置の出力軸に接続された発電モーターと、を備えていることを特徴とする。 The generator of the present invention includes an impeller rotated by receiving an external force, the input shaft connected to the rotation shaft of the impeller, and any one of the rotational motion transmission devices, And a generator motor connected to the output shaft of the rotary motion transmission device.
本発明によれば、入力軸が停止状態から急に高速回転された場合、または入力軸が想定値以上に高速に回転された場合、操作部によって操作される一対の棒磁石の動きに筒状体は追随できず、いわゆる脱調状態となる。すなわち、一対の棒磁石及び筒状体は、急に高い負荷が印加された時に出力軸への回転運動の伝達を自動でキャンセルする機能を有する。これにより、出力軸に伝えられる回転運動を抑えるために、入力軸に与えられた回転運動を減速する必要を無くし、入力軸又は当該入力軸に連結される羽根車が壊れるのを防ぐことができる。 According to the present invention, when the input shaft is suddenly rotated at a high speed from a stopped state, or when the input shaft is rotated at a speed higher than an assumed value, the movement of the pair of bar magnets operated by the operation unit is cylindrical. The body cannot follow and is in a so-called step-out state. That is, the pair of bar magnets and the cylindrical body has a function of automatically canceling transmission of the rotational motion to the output shaft when a high load is suddenly applied. Thereby, in order to suppress the rotational motion transmitted to the output shaft, it is not necessary to decelerate the rotational motion applied to the input shaft, and the input shaft or the impeller connected to the input shaft can be prevented from being broken. .
本発明は、水（川水、海水）、風、蒸気、空気、粒状物等の流体による外力で回る羽根車に連結されている入力軸の回転に応じて、発電モーターに連結されている出力軸を回転させる回転運動伝達装置に関し、前記出力軸を有している筒状体と、前記筒状体が回転可能なように、前記出力軸を挟んで向かい合って配置される一対の第１、第２棒磁石と、前記入力軸の回転に伴って前記第１、第２棒磁石を交互に前記筒状体から離す操作部と、を備えている。前記筒状体の外周面には、軸方向長さの中点にある始点から前記出力軸を挟んで反対側にある両端に向かって並べられ、第１、第２棒磁石の両端に引き寄せられる引力が作用するように極性が設定されている複数の磁石と、当該外周面の前記複数の磁石の無い側に前記両端から前記始点に向かって並べられ、第１、第２棒磁石の両端から離れようとする斥力が作用するように極性が設定されている複数の磁石とを有している。前記操作部によって、前記第１棒磁石が前記筒状体から離れている間に前記第２棒磁石が前記引力及び斥力の作用によって前記筒状体を予め定めた向きに半回転させ、前記第２棒磁石が前記筒状体から離れている間に前記第１棒磁石が前記引力及び斥力の作用によって前記筒状体を前記予め定めた向きに半回転させる動作を繰り返し、これによって前記筒状体を一回転させて前記入力軸の回転運動を前記出力軸に伝達させることを特徴とする。
当該構成を採用する回転運動伝達装置は、入力軸が停止状態から急に高速回転された場合、または入力軸が想定値以上に高速に回転された場合、操作部によって操作される一対の棒磁石の動きに筒状体は追随できず、いわゆる脱調状態となる。すなわち、一対の棒磁石及び筒状体は、急に高い負荷が印加された時に出力軸への回転運動の伝達を自動でキャンセルする機能を有する。これにより、入力軸に与えられた回転運動を抑える必要を無くし、入力軸及び当該入力軸に連結される羽根車が壊れるのを防ぐことができる。
The present invention relates to an output connected to a power generation motor in response to rotation of an input shaft connected to an impeller that rotates with an external force caused by a fluid such as water (river water, seawater), wind, steam, air, and particulate matter. A rotary motion transmission device for rotating a shaft, a cylindrical body having the output shaft, and a pair of first and second members disposed facing each other across the output shaft so that the cylindrical body can rotate. A second bar magnet; and an operation unit that alternately separates the first and second bar magnets from the cylindrical body as the input shaft rotates. On the outer peripheral surface of the cylindrical body, they are arranged from the starting point at the midpoint of the axial length toward both ends on the opposite side across the output shaft, and are drawn toward both ends of the first and second bar magnets. A plurality of magnets whose polarities are set so that an attractive force acts, and the outer peripheral surface are arranged from the both ends toward the starting point on the side where the plurality of magnets are absent, and from both ends of the first and second bar magnets And a plurality of magnets whose polarities are set so that a repulsive force to be separated acts. While the first bar magnet is separated from the cylindrical body by the operation unit, the second bar magnet causes the cylindrical body to rotate halfway in a predetermined direction by the action of the attractive force and the repulsive force, While the two-bar magnet is separated from the cylindrical body, the first bar magnet repeats the operation of rotating the cylindrical body half-turning in the predetermined direction by the action of the attractive force and the repulsive force, thereby the cylindrical shape. The body is rotated once to transmit the rotational motion of the input shaft to the output shaft.
The rotational motion transmission device adopting this configuration is a pair of bar magnets operated by the operation unit when the input shaft is suddenly rotated at a high speed from a stopped state or when the input shaft is rotated at a speed higher than an expected value. The cylindrical body cannot follow the movement, and is in a so-called step-out state. That is, the pair of bar magnets and the cylindrical body has a function of automatically canceling transmission of the rotational motion to the output shaft when a high load is suddenly applied. This eliminates the need to suppress the rotational motion applied to the input shaft and prevents the input shaft and the impeller connected to the input shaft from being broken.
本発明の一実施の形態に係る回転運動伝達装置を用いた風力発電機について説明する。図１（ａ）に示す風力発電機１は、風力を外力として受けて回転する羽根車２と、羽根車２の回転軸に連結された入力軸を有し、羽根車２の回転によって発電を行う発電部３と、発電部３を支持している支柱４とで構成されている。発電部３で発電された電気は、支柱４、変圧器を含む制御部５、電線６を介して電気を必要とする機器（図示せず）へと出力される。 A wind power generator using a rotary motion transmission device according to an embodiment of the present invention will be described. The wind power generator 1 shown in FIG. 1A has an impeller 2 that rotates by receiving wind power as an external force, and an input shaft that is connected to the rotation shaft of the impeller 2. The power generation unit 3 is configured to include a power generation unit 3 and a support column 4 that supports the power generation unit 3. The electricity generated by the power generation unit 3 is output to a device (not shown) that requires electricity through the support column 4, the control unit 5 including a transformer, and the electric wire 6.
図１（ｂ）に示すように、発電部３は、回転運動伝達装置７と、当該回転運動伝達装置７の出力軸に接続された発電モーター８とで構成されている。回転運動伝達装置７の入力軸９の先端にはフェースギヤ１０が取り付けられており、当該フェースギヤ１０は羽根車２の回転軸２ａの先端に取り付けられている平歯車２ｂと噛合している。回転運動伝達装置７の出力軸１１の先端には平歯車１１ａが取り付けられており、当該平歯車１１ａは発電モーター８の回転軸８ａの先端に取り付けられている平歯車８ｂと噛合している。 As shown in FIG. 1B, the power generation unit 3 includes a rotational motion transmission device 7 and a power generation motor 8 connected to the output shaft of the rotational motion transmission device 7. A face gear 10 is attached to the distal end of the input shaft 9 of the rotary motion transmitting device 7, and the face gear 10 meshes with a spur gear 2 b attached to the distal end of the rotating shaft 2 a of the impeller 2. A spur gear 11 a is attached to the tip of the output shaft 11 of the rotary motion transmission device 7, and the spur gear 11 a meshes with a spur gear 8 b attached to the tip of the rotating shaft 8 a of the generator motor 8.
図２に示すように、回転運動伝達装置７は、それぞれ矩形の側壁１２ａ、１２ｂ、１２ｃ、１２ｄで構成される直方体の本体１２を有している。側壁１２ｂには出力軸１１用の孔１２ｅが設けられている。側壁１２ｂの構成は、側壁１２ａと同様の構成となっており、図示及び重複した説明は省略する。本体１２の内部には、出力軸１１を有している筒状体１３と、筒状体１３が回転可能なように、出力軸１１を挟んで向かい合って配置される一対の棒磁石１４、１５（第１、第２棒磁石）と、入力軸９の回転に伴って棒磁石１４、１５を交互に筒状体１３から離す操作部１６と、を備えている。筒状体１３の外周面には、複数の磁石が埋め込まれている（図６を参照）。 As shown in FIG. 2, the rotational motion transmission device 7 includes a rectangular parallelepiped main body 12 configured by rectangular side walls 12 a, 12 b, 12 c, and 12 d. A hole 12e for the output shaft 11 is provided in the side wall 12b. The configuration of the side wall 12b is the same as the configuration of the side wall 12a, and illustration and overlapping description are omitted. Inside the main body 12, a cylindrical body 13 having an output shaft 11 and a pair of bar magnets 14, 15 arranged facing each other across the output shaft 11 so that the cylindrical body 13 can rotate. (First and second bar magnets) and an operation unit 16 that alternately separates the bar magnets 14 and 15 from the cylindrical body 13 as the input shaft 9 rotates. A plurality of magnets are embedded in the outer peripheral surface of the cylindrical body 13 (see FIG. 6).
棒磁石１４、１５は、筒状体１３に接し、又は筒状体１３の近接位置に配置され、かつ、配置されている位置から図中左右方向に離れた位置にスライド移動可能に側壁１２ａ、１２ｂに取り付けられている。詳しくは、棒磁石１４、１５は、ローラー形状で、矩形の枠１４ａ、１５ａ内に当該枠内においてスライド移動可能に収められているプレート１４ｂ、１５ｂに回転可能に取り付けられている。棒磁石１４、１５は、一端が枠１４ａ、１５ａに取り付けられ、他端がプレート１４ｂ、１５ｂに取り付けられているばね１４ｃ、１５ｃの働きによって筒状体１３に接し、又は予め定めた近接位置に配置される。本明細書において近接位置とは、棒磁石１４、１５から筒状体１３を回転させるのに必要な磁力が作用する、筒状体１３とは非接触の位置、好ましくは略接している位置を意味する。筒状体１３が最も回転しやすく、かつ、棒磁石１４、１５の磁力を最も強く受けることができるからである。 The bar magnets 14 and 15 are in contact with the cylindrical body 13 or are arranged at positions close to the cylindrical body 13 and are slidably movable from the arranged position to a position separated in the horizontal direction in the figure. It is attached to 12b. Specifically, the bar magnets 14 and 15 are in a roller shape, and are rotatably attached to plates 14b and 15b accommodated in the rectangular frames 14a and 15a so as to be slidable within the frames. The bar magnets 14 and 15 are in contact with the cylindrical body 13 by the action of springs 14c and 15c, one end of which is attached to the frames 14a and 15a and the other end is attached to the plates 14b and 15b. Be placed. In the present specification, the proximity position refers to a position where a magnetic force necessary to rotate the cylindrical body 13 from the bar magnets 14 and 15 is applied, a position that is not in contact with the cylindrical body 13, preferably a position that is substantially in contact with the cylindrical body 13. means. This is because the cylindrical body 13 can rotate most easily and can receive the magnetic force of the bar magnets 14 and 15 most strongly.
棒磁石１４、１５の磁力を効率よく筒状体１３の外周面に埋め込まれている複数の磁石に作用させるには、棒磁石１４、１５は筒状体１３に接しているのが好ましい。棒磁石１４、１５は、筒状体１３に接した時の動摩擦抵抗を低減する目的で、出力軸に平行な軸で回転可能なローラー形状となっている。棒磁石１４、１５がローラー形状となっていても、棒磁石１４、１５が筒状体１３に強く押し当てられていると、筒状体１３が回転しようとする際の摩擦が高くなる。棒磁石１４、１５を押し当てるばね１４ｃ、１５ｃが強い場合、棒磁石１４、１５が筒状体１３に接近できる位置を制限して例えば０〜０．５ｍｍ程離れた近接位置に配置する。なお、棒磁石１４、１５に回転しない円柱状又は四角柱状のものを用いる場合、筒状体１３の回転を妨げず、かつ、棒磁石１４、１５からの磁力によって筒状体１３を回転できるという条件を満たす限りにおいて、筒状体１３から離れた近接位置、例えば０．１ｍｍ〜１ｍｍ程離れた近接位置に棒磁石１４、１５を配置する。 In order for the magnetic forces of the bar magnets 14 and 15 to efficiently act on the plurality of magnets embedded in the outer peripheral surface of the cylindrical body 13, the bar magnets 14 and 15 are preferably in contact with the cylindrical body 13. The bar magnets 14 and 15 have a roller shape that can rotate on an axis parallel to the output shaft for the purpose of reducing dynamic frictional resistance when contacting the cylindrical body 13. Even if the bar magnets 14 and 15 have a roller shape, if the bar magnets 14 and 15 are strongly pressed against the cylindrical body 13, the friction when the cylindrical body 13 tries to rotate increases. When the springs 14c and 15c that press the bar magnets 14 and 15 are strong, the positions at which the bar magnets 14 and 15 can approach the cylindrical body 13 are limited, and are disposed at close positions, for example, about 0 to 0.5 mm apart. In addition, when using the cylindrical or square pillar-shaped thing which does not rotate for the bar magnets 14 and 15, the cylindrical body 13 can be rotated by the magnetic force from the bar magnets 14 and 15 without preventing the rotation of the cylindrical body 13. As long as the condition is satisfied, the bar magnets 14 and 15 are arranged at a proximity position away from the cylindrical body 13, for example, at a proximity position about 0.1 mm to 1 mm apart.
操作部１６は、入力軸９の回転に伴い回転するカム１６ａと、当該カム１６ａが当接して押すことによって、棒磁石１４又は棒磁石１５を筒状体１３から離れた位置にスライド移動させるレバー１４ｄ、１５ｄと、を備えている。本図においてレバー１４ｄ、１５ｄは、側壁１２ｂに設けられているレバー１４ｅ、１５ｅに繋がっている。図２において、カム１６ａはレバー１４ｅ、１５ｅの何れにも当たっておらず、結果、棒磁石１４、１５は、筒状体１３に接し、又はその近接位置に配置されている。 The operation unit 16 includes a cam 16a that rotates as the input shaft 9 rotates, and a lever that slides the bar magnet 14 or the bar magnet 15 to a position away from the cylindrical body 13 when the cam 16a abuts and presses. 14d, 15d. In this figure, levers 14d and 15d are connected to levers 14e and 15e provided on the side wall 12b. In FIG. 2, the cam 16 a does not hit any of the levers 14 e and 15 e, and as a result, the bar magnets 14 and 15 are in contact with the cylindrical body 13 or are disposed in the vicinity thereof.
図３に示すように、入力軸９が回転すると、カム１６ａがレバー１４ｄに当接し、棒磁石１４を筒状体１３から引き離す。レバー１４ｄによって引き離す位置は、棒磁石１４が筒状体１３の外周面に埋め込まれている複数の磁石に及ぼしている磁力による引力を減少し、筒状体１３が棒磁石１５からの磁力による引力及び斥力に応じて回転動作を始める位置よりも離れた位置であればよい。 As shown in FIG. 3, when the input shaft 9 rotates, the cam 16 a comes into contact with the lever 14 d and pulls the bar magnet 14 away from the cylindrical body 13. The position at which the lever 14 d is pulled away reduces the attractive force due to the magnetic force exerted by the bar magnet 14 on the plurality of magnets embedded in the outer peripheral surface of the cylindrical body 13, and the cylindrical body 13 is attracted by the magnetic force from the bar magnet 15. And it should just be a position away from the position which starts rotation operation according to repulsive force.
ばね１４ｃ、１５ｃの強さと棒磁石１４、１５の強さは、入力軸９を回転させる力の大きさに応じて設定する。即ち、図３において入力軸９を回転させる力（想定値）によって、カム１６ａがレバー１４ｄを押す力が、ばね１４ｃが棒磁石１４を筒状体１３に押さえつける力と棒磁石１４が筒状体１３に埋め込まれている複数の磁石を引き寄せる力との合計の力よりも強くなるように、ばね１４ｃ、１５ｃの強さと棒磁石１４、１５の磁力の強さを設定する。さらに、ばね１４ｃ、１５ｃの強さは、棒磁石１４、１５が筒状体１３に埋め込まれている複数の磁石からうける斥力に抗して棒磁石１４、１５を筒状体１３に接し、又はその近接位置に配置させる強さであることも必要である。 The strength of the springs 14c and 15c and the strength of the bar magnets 14 and 15 are set according to the magnitude of the force for rotating the input shaft 9. That is, the force that the cam 16a pushes the lever 14d by the force (assumed value) that rotates the input shaft 9 in FIG. 3, the force that the spring 14c presses the bar magnet 14 against the cylindrical body 13, and the bar magnet 14 that is the cylindrical body. The strength of the springs 14 c and 15 c and the strength of the magnetic force of the bar magnets 14 and 15 are set so as to be stronger than the total force of the force attracting the plurality of magnets embedded in 13. Further, the strength of the springs 14c and 15c is such that the bar magnets 14 and 15 are in contact with the cylindrical body 13 against the repulsive force that the bar magnets 14 and 15 receive from a plurality of magnets embedded in the cylindrical body 13, or It is also necessary for the strength to be arranged in the proximity position.
図４に示すように、入力軸９が回転すると、カム１６ａは再びレバー１４ｄ、１５ｄに当たらない位置になり、棒磁石１４、１５の両方が筒状体１３に接し、又はその近接位置に配置される。 As shown in FIG. 4, when the input shaft 9 rotates, the cam 16a is again in a position where it does not hit the levers 14d and 15d, and both the bar magnets 14 and 15 are in contact with the cylindrical body 13 or arranged in the proximity positions thereof. Is done.
図５に示すように、入力軸９が更に回転すると、カム１６ａがレバー１５ｄに当接し、棒磁石１５を筒状体１３から引き離す。レバー１５ｄによって引き離す位置は、棒磁石１５が筒状体１３の外周面に埋め込まれている複数の磁石に及ぼしている磁力による引力を減少し、筒状体１３が棒磁石１４からの磁力による引力に応じて回転動作を始める位置よりも離れた位置であればよい。 As shown in FIG. 5, when the input shaft 9 further rotates, the cam 16 a comes into contact with the lever 15 d and pulls the bar magnet 15 away from the cylindrical body 13. The position at which the lever 15d is pulled away reduces the attractive force due to the magnetic force exerted on the plurality of magnets embedded in the outer peripheral surface of the cylindrical body 13 by the bar magnet 15 and the attractive force due to the magnetic force from the bar magnet 14 is reduced. Accordingly, the position may be a position away from the position where the rotation operation is started.
図６は、筒状体１３の外周面１３ａに埋め込まれている複数の磁石１７ａ〜１７ｄの状態を説明するための展開図である。筒状体１３の外周面１３ａには、出力軸１１の方向の長さの中点にある始点Ｐ１から前記出力軸を挟んで反対側にある両端Ｐ２、Ｐ３に向かって並べられ、棒磁石１４、１５の両端に引き寄せられる引力が作用するように極性（Ｎ極、Ｓ極）が図示するように設定されている複数の磁石１７ａ、１７ｂを備えている。また、外周面１３ａには、外周面１３ａの複数の磁石１７ａ、１７ｂの無い側に両端Ｐ２、Ｐ３から始点Ｐ１に向かって並べられ、棒磁石１４、１５の両端から離れようとする斥力が作用するように極性が図示するように設定されている複数の磁石１７ｃ、１７ｄとを有している。 FIG. 6 is a development view for explaining the state of the plurality of magnets 17 a to 17 d embedded in the outer peripheral surface 13 a of the cylindrical body 13. On the outer peripheral surface 13 a of the cylindrical body 13, the rod magnet 14 is arranged from the starting point P1 at the midpoint of the length in the direction of the output shaft 11 toward both ends P2 and P3 on the opposite side across the output shaft. , 15 are provided with a plurality of magnets 17a, 17b whose polarities (N pole, S pole) are set as shown in the figure so that an attractive force attracted to both ends acts. Further, the outer peripheral surface 13a is subjected to a repulsive force that is arranged from both ends P2 and P3 toward the starting point P1 on the side where the plurality of magnets 17a and 17b of the outer peripheral surface 13a are not present, and tries to separate from both ends of the bar magnets 14 and 15. In this way, a plurality of magnets 17c and 17d whose polarities are set as shown in the figure are included.
複数の磁石１７ａ〜１７ｄは、短い円柱状の棒磁石であり、外周面に並べられている複数の磁石の軸が、筒状体１３の外周面１３ａに接する向きで、一対の棒磁石１４、１５に対して３０度から６０度の間の角度α、好ましくは図示するようにα＝４５度の角度に配置されている。円柱状の棒磁石１７ａ〜１７ｄを、その軸を外周面１３ａに垂直な向き（本図に示す展開図において表裏方向）となるように埋め込んだ場合に比べて、筒状体１３の回転がスムーズで、カム１６ａの回転に伴う筒状体１３の追随性が良いという実験結果が得られている。 The plurality of magnets 17a to 17d are short columnar bar magnets, and a pair of bar magnets 14 in a direction in which the axes of the plurality of magnets arranged on the outer peripheral surface are in contact with the outer peripheral surface 13a of the cylindrical body 13; An angle α between 30 degrees and 60 degrees with respect to 15, preferably α = 45 degrees as shown. The cylindrical body 13 rotates more smoothly than the case where the columnar bar magnets 17a to 17d are embedded so that the axis thereof is oriented in the direction perpendicular to the outer peripheral surface 13a (the front and back directions in the developed view shown in this figure). Thus, an experimental result has been obtained that the followability of the cylindrical body 13 accompanying the rotation of the cam 16a is good.
棒磁石１４、１５は、その両端の磁力Ｓ又はＮが一番強く、中間位置での磁力は両端に比べて弱い。例えば、図６に示す展開図のように平らな板に複数の磁石１７ａ〜１７ｄを並べる場合を考える。この場合において、図示するような棒磁石１８（棒磁石１４、１５と同じ）を矢印Ａ方向に転がした場合、磁石１７ｃ、１７ｄは、棒磁石１８の両端を引き寄せる引力を作用し、棒磁石１８を矢印方向Ａの向きに素早く移動する。位置Ｐ２、Ｐ３近傍の位置で、磁石１７ａ、１７ｂは棒磁石１８に斥力を与える。この結果、棒磁石１８は、上記引力と斥力の釣り合う位置、位置Ｐ２、Ｐ３の近傍位置で止まる。 The bar magnets 14 and 15 have the strongest magnetic force S or N at both ends, and the magnetic force at the intermediate position is weaker than at both ends. For example, consider a case where a plurality of magnets 17a to 17d are arranged on a flat plate as shown in the development view of FIG. In this case, when a bar magnet 18 as shown (same as the bar magnets 14 and 15) is rolled in the direction of the arrow A, the magnets 17c and 17d act to attract both ends of the bar magnet 18 so that the bar magnet 18 Is quickly moved in the direction of arrow A. The magnets 17a and 17b apply a repulsive force to the bar magnet 18 at positions near the positions P2 and P3. As a result, the bar magnet 18 stops at a position where the attractive force and the repulsive force are balanced, in the vicinity of the positions P2 and P3.
上記構成の回転運動伝達装置７において、入力軸９が回転してカム１６ａがレバー１４ｄ、１５ｄに交互に当接し、棒磁石１４、１５を交互に筒状体１３から離す動作を行う場合の筒状体１３の回転の様子を説明する。 In the rotary motion transmission device 7 having the above-described configuration, the cylinder when the input shaft 9 rotates and the cams 16a alternately contact the levers 14d and 15d and the bar magnets 14 and 15 are alternately separated from the cylindrical body 13 is performed. A state of rotation of the body 13 will be described.
まず、図２の状態、すなわち、装置７を上から見た場合に筒状体１３に埋め込まれている複数の磁石１７ａ〜１７ｄが図７（ａ）（ｂ）に示すように、並んでいる場合を考える。この場合において、図３の状態、すなわち、図７（ａ）に示すように、棒磁石１４が太線で示す矢印Ｂ方向に引き離された場合、筒状体１３の外周面１３ａに埋め込まれた複数の磁石１７ｃ及び１７ｄには棒磁石１５に引き寄せられる引力が働き、複数の磁石１７ａ及び１７ｂには棒磁石１５から離れようとする斥力が働く。この結果、図７（ｃ）（ｄ）に示すように筒状体１３には矢印Ｃ方向から見て時計回りの方向に回転しようとする力が働き、外周面１３ａの位置Ｐ２、Ｐ３が棒磁石１５近くの位置にくる。このように操作部１６は、棒磁石１４が筒状体１３から離れている間に棒磁石１５が前記引力及び斥力の作用によって筒状体１３を予め定めた向き（矢印Ｃ方向から見て時計回りの向き）に筒状体１３を半回転させる。 First, in the state of FIG. 2, that is, when the apparatus 7 is viewed from above, a plurality of magnets 17a to 17d embedded in the cylindrical body 13 are arranged as shown in FIGS. 7 (a) and 7 (b). Think about the case. In this case, as shown in FIG. 3, that is, as shown in FIG. 7A, when the bar magnet 14 is separated in the arrow B direction indicated by a thick line, a plurality of embedded in the outer peripheral surface 13 a of the cylindrical body 13. An attractive force attracted to the bar magnet 15 acts on the magnets 17c and 17d, and a repulsive force to move away from the bar magnet 15 acts on the magnets 17a and 17b. As a result, as shown in FIGS. 7C and 7D, the cylindrical body 13 is subjected to a force to rotate in the clockwise direction when viewed from the arrow C direction, and the positions P2 and P3 of the outer peripheral surface 13a are the rods. It comes to a position near the magnet 15. In this way, the operation unit 16 is configured so that the bar magnet 15 moves the cylindrical body 13 in a predetermined direction by the action of the attractive force and the repulsive force while the bar magnet 14 is separated from the cylindrical body 13 (clockwise when viewed from the arrow C direction). The cylindrical body 13 is rotated halfway in the direction of rotation.
次に、図４の状態、すなわち、装置７を上から見た場合に筒状体１３に埋め込まれている複数の磁石１７ａ〜１７ｄが図８（ａ）（ｂ）に示すように、並んでいる場合を考える。この場合において、図５の状態、すなわち、図８（ａ）に示すように、棒磁石１５が太線で示す矢印Ｄ方向に引き離された場合、筒状体１３の外周面１３ａに埋め込まれた複数の磁石１７ｃ及び１７ｄには棒磁石１４に引き寄せられる引力が働き、複数の磁石１７ａ及び１７ｂには棒磁石１４から離れようとする斥力が働く。この結果、図８（ｃ）（ｄ）に示すように筒状体１３には矢印Ｅ方向から見て時計回りの方向に回転しようとする力が働き、外周面１３ａの位置Ｐ２、Ｐ３が棒磁石１４近くの位置にくる。このように操作部１６は、棒磁石１５が筒状体１３から離れている間に棒磁石１４が前記引力及び斥力の作用によって筒状体１３を予め定めた向き（矢印Ｅ方向から見て時計回りの向き）に筒状体１３を半回転させる。この結果、入力軸９の一回転に応じて、筒状体１３と、その出力軸１１は、一回転する。 Next, the state shown in FIG. 4, that is, when the device 7 is viewed from above, a plurality of magnets 17 a to 17 d embedded in the cylindrical body 13 are arranged as shown in FIGS. 8A and 8B. Think if you are. In this case, as shown in FIG. 5, that is, as shown in FIG. 8A, when the bar magnet 15 is pulled away in the direction of arrow D indicated by a thick line, a plurality of embedded in the outer peripheral surface 13 a of the cylindrical body 13. An attractive force attracted to the bar magnet 14 acts on the magnets 17c and 17d, and a repulsive force acting away from the bar magnet 14 acts on the plurality of magnets 17a and 17b. As a result, as shown in FIGS. 8C and 8D, the cylindrical body 13 is subjected to a force to rotate in the clockwise direction when viewed from the direction of the arrow E, and the positions P2 and P3 of the outer peripheral surface 13a are the rods. It comes to a position near the magnet 14. As described above, the operation unit 16 is configured so that, while the bar magnet 15 is separated from the cylindrical body 13, the bar magnet 14 moves the cylindrical body 13 in a predetermined direction by the action of the attractive force and the repulsive force. The cylindrical body 13 is rotated halfway in the direction of rotation. As a result, the cylindrical body 13 and its output shaft 11 rotate once according to one rotation of the input shaft 9.
以上に説明したように、操作部１６は、入力軸９の回転に伴って、棒磁石１４、１５を交互に筒状体１３から引き離す動作を繰り返すことにより入力軸９の回転運動を出力軸１１に伝達させる。回転運動伝達装置７は、入力軸９の回転方向によらず、出力軸１１を予め定めた一方向に回転させる。 As described above, the operation unit 16 repeats the operation of alternately pulling the bar magnets 14 and 15 away from the cylindrical body 13 as the input shaft 9 rotates, thereby changing the rotational motion of the input shaft 9 to the output shaft 11. To communicate. The rotary motion transmission device 7 rotates the output shaft 11 in one predetermined direction regardless of the rotation direction of the input shaft 9.
なお、前述するように筒状体１３は、入力軸９の回転に伴って予め定めた一方向に回転するが、より安定した回転を目的として筒状体１３の出力軸１１に逆回転防止手段として例えばラチェット機構を備えてもよい。 As described above, the cylindrical body 13 rotates in one predetermined direction with the rotation of the input shaft 9, but reverse rotation prevention means is provided on the output shaft 11 of the cylindrical body 13 for the purpose of more stable rotation. For example, a ratchet mechanism may be provided.
上記構成の回転運動伝達装置７は、入力軸９が停止状態から急に高速回転された場合、または入力軸９が想定値以上に高速に回転された場合、操作部１６によって操作される一対の棒磁石１４、１５の動きに筒状体１３は追随できず、いわゆる脱調状態となる。すなわち、一対の棒磁石１４、１５及び筒状体１３は、急に高い負荷が印加された時に出力軸１１への回転運動の伝達を自動でキャンセルする機能を有する。これにより、出力軸１１に伝えられる回転運動を抑えるために、入力軸９に与えられた回転運動を減速する、例えばブレーキ機構を備える必要を無くし、入力軸９又は当該入力軸９に連結される羽根車２が壊れるのを防ぐことができる。 When the input shaft 9 is suddenly rotated at a high speed from a stopped state, or when the input shaft 9 is rotated at a speed higher than an assumed value, the rotational motion transmission device 7 having the above-described configuration is operated as a pair of operations. The cylindrical body 13 cannot follow the movement of the bar magnets 14 and 15, and is in a so-called step-out state. That is, the pair of bar magnets 14 and 15 and the cylindrical body 13 have a function of automatically canceling transmission of rotational motion to the output shaft 11 when a high load is suddenly applied. Thereby, in order to suppress the rotational motion transmitted to the output shaft 11, it is not necessary to decelerate the rotational motion applied to the input shaft 9, for example, it is necessary to provide a brake mechanism, and the input shaft 9 or the input shaft 9 is connected. It is possible to prevent the impeller 2 from being broken.
なお、本発明は、上記実施形態の構成に限られず、磁石の極性を反転させるなど、発明の趣旨を変更しない範囲で種々の変形が可能である。例えばカム１６ａの形状は、図示する物に限られず、その先端に回転ローラーを備えたカムを用いてもよい。この場合、レバー１４ｄ、１５ｄとの摩擦が少なくなり、よりスムーズな回転運動の伝達を行うことができる。 The present invention is not limited to the configuration of the above embodiment, and various modifications are possible without departing from the spirit of the invention, such as reversing the polarity of the magnet. For example, the shape of the cam 16a is not limited to the illustrated one, and a cam having a rotating roller at the tip may be used. In this case, friction with the levers 14d and 15d is reduced, and a smoother rotational motion can be transmitted.
さらに、棒磁石１４、１５は、ばね１４ｃ、１５ｃの力によって筒状体１３寄りの位置に配置されるが、これに限られず、ゴムの引っ張る力によって筒状体１３寄りの位置に配置されるようにしてもよい。 Furthermore, the bar magnets 14 and 15 are arranged at positions close to the cylindrical body 13 by the force of the springs 14c and 15c, but are not limited to this, and are arranged at positions near the cylindrical body 13 by the pulling force of rubber. You may do it.
本発明の回転運動伝達装置は、風力発電機に限らず、川の流れにより羽根車を回転させる発電機、海岸に打ち寄せる波及び引く波の力により羽根車を回転させる発電機、波の上下動を利用して羽根車を回転させる波力発電機等に用いることができる。また、エンジン式の発電機において、内燃機関の出力軸と回転運動伝達装置の入力軸を連結し、回転運動伝達装置の出力軸を発電モーターに接続する構成を採用することもできる。さらには、発電機に限らず、突発的な急回転、想定外の高速回転が好ましくない事象として発生した場合に、出力軸への回転運動の伝達を自動的にキャンセルする機能を有する回転運動伝達装置として一般に使用することができる。 The rotational motion transmission device of the present invention is not limited to a wind power generator, but a generator that rotates an impeller by the flow of a river, a generator that rotates the impeller by the force of a wave and a wave that strikes the coast, and a vertical movement of the wave It can be used for a wave power generator that rotates an impeller using Further, in the engine-type generator, a configuration in which the output shaft of the internal combustion engine and the input shaft of the rotary motion transmission device are coupled and the output shaft of the rotary motion transmission device is connected to the generator motor may be employed. Furthermore, not only the generator, but also a rotational motion transmission function that automatically cancels the transmission of rotational motion to the output shaft when sudden sudden rotation or unexpected high-speed rotation occurs as an undesirable event. It can generally be used as a device.
１ 発電機
２ 羽根車
２ａ 回転軸
２ｂ、８ｂ、１１ａ 平歯車
３ 発電部
４ 支柱
５ 制御部
６ 電線
７ 回転運動伝達装置
８ 発電モーター
８ａ 回転軸
９ 入力軸
１０ フェースギヤ
１１ 出力軸
１２ 本体
１３ 筒状体
１４、１５ 棒磁石（第１、第２棒磁石）
１４ａ、１５ａ 枠
１４ｂ、１５ｂ プレート
１４ｃ、１５ｃ ばね
１４ｄ、１４ｅ、１５ｄ、１５ｅ レバー
１６ 操作部
１６ａ カム
１７ａ、１７ｂ、１７ｃ、１７ｄ 複数の磁石
１８ 棒磁石
Ｐ１ 始点
Ｐ２、Ｐ３ 両端の位置
DESCRIPTION OF SYMBOLS 1 Generator 2 Impeller 2a Rotating shaft 2b, 8b, 11a Spur gear 3 Power generation part 4 Support | pillar 5 Control part 6 Electric wire 7 Rotation motion transmission device 8 Generator motor 8a Rotating shaft 9 Input shaft 10 Face gear 11 Output shaft 12 Main body 13 Tube 14 and 15 Bar magnets (first and second bar magnets)
14a, 15a Frames 14b, 15b Plates 14c, 15c Springs 14d, 14e, 15d, 15e Lever 16 Operation part 16a Cams 17a, 17b, 17c, 17d Multiple magnets 18 Bar magnets P1 Starting positions P2, P3 Positions at both ends
Claims (3)
前記出力軸を有している筒状体と、
前記筒状体が回転可能なように、前記出力軸を挟んで向かい合って配置される一対の第１、第２棒磁石と、
前記入力軸の回転に伴って前記第１、第２棒磁石を交互に前記筒状体から離す操作部と、を備えており、
前記筒状体の外周面には、軸方向長さの中点にある始点から前記出力軸を挟んで反対側にある両端に向かって並べられ、第１、第２棒磁石の両端に引き寄せられる引力が作用するように極性が設定されている複数の磁石と、当該外周面の前記複数の磁石の無い側に前記両端から前記始点に向かって並べられ、第１、第２棒磁石の両端から離れようとする斥力が作用するように極性が設定されている複数の磁石とを有しており、
前記操作部によって、前記第１棒磁石が前記筒状体から離れている間に前記第２棒磁石が前記引力及び斥力の作用によって前記筒状体を予め定めた向きに半回転させ、前記第２棒磁石が前記筒状体から離れている間に前記第１棒磁石が前記引力及び斥力の作用によって前記筒状体を前記予め定めた向きに半回転させる動作を繰り返し、これによって前記筒状体を一回転させて前記入力軸の回転運動を前記出力軸に伝達させる、ことを特徴とする回転運動伝達装置。 In the rotational motion transmission device that rotates the output shaft according to the rotation of the input shaft,
A cylindrical body having the output shaft;
A pair of first and second bar magnets arranged facing each other across the output shaft so that the cylindrical body is rotatable;
An operation unit that alternately separates the first and second bar magnets from the cylindrical body as the input shaft rotates.
On the outer peripheral surface of the cylindrical body, they are arranged from the starting point at the midpoint of the axial length toward both ends on the opposite side across the output shaft, and are drawn toward both ends of the first and second bar magnets. A plurality of magnets whose polarities are set so that an attractive force acts, and the outer peripheral surface are arranged from the both ends toward the starting point on the side where the plurality of magnets are absent, and from both ends of the first and second bar magnets And having a plurality of magnets whose polarities are set so that repulsive force to be separated acts,
While the first bar magnet is separated from the cylindrical body by the operation unit, the second bar magnet causes the cylindrical body to rotate halfway in a predetermined direction by the action of the attractive force and the repulsive force, While the two-bar magnet is separated from the cylindrical body, the first bar magnet repeats the operation of rotating the cylindrical body half-turning in the predetermined direction by the action of the attractive force and the repulsive force, thereby the cylindrical shape. A rotational motion transmitting device, wherein the rotational motion of the input shaft is transmitted to the output shaft by rotating the body once.
前記羽根車の回転軸に連結された前記入力軸を有している、請求項１又は請求項２に記載の回転運動伝達装置と、
前記回転運動伝達装置の出力軸に接続された発電モーターと、を備えている発電機。
An impeller rotated by external force,
The rotary motion transmission device according to claim 1 or 2, comprising the input shaft connected to a rotation shaft of the impeller.
A generator motor connected to the output shaft of the rotary motion transmission device.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5872764A (en) * | 1981-10-27 | 1983-04-30 | Nishi Nippon Riyuutai Giken:Kk | Magnetic coupling |
| JP2004301087A (en) * | 2003-03-31 | 2004-10-28 | Ebara Corp | Vertical shaft windmill equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5872764A (en) * | 1981-10-27 | 1983-04-30 | Nishi Nippon Riyuutai Giken:Kk | Magnetic coupling |
| JP2004301087A (en) * | 2003-03-31 | 2004-10-28 | Ebara Corp | Vertical shaft windmill equipment |
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