JP6203344B1 - Motor assembly jig and assembly method - Google Patents

Motor assembly jig and assembly method Download PDF

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JP6203344B1
JP6203344B1 JP2016151699A JP2016151699A JP6203344B1 JP 6203344 B1 JP6203344 B1 JP 6203344B1 JP 2016151699 A JP2016151699 A JP 2016151699A JP 2016151699 A JP2016151699 A JP 2016151699A JP 6203344 B1 JP6203344 B1 JP 6203344B1
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motor
rotor
power machine
rotating shaft
jig
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JP2018023194A (en
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喜義 大原
喜義 大原
井上　正哉
正哉 井上
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

【課題】製造上の寸法誤差によって、動力機械の回転軸とモータの回転子の回転軸とを完全に一致させることは困難であり、動力機械とモータとを組み合わせた後に、回転軸の軸芯を一致させるための調整が必要であった。調整作業が円滑に行い得る治具を提供する。【解決手段】モータ２の回転子３の回転軸５を中空の円筒形状とし、治具１の突出部１０の外周面およびモータに組み込む動力機械の回転軸の外周面が、モータの回転軸に対してインローの嵌め合い構造とすることによって、動力機械の回転軸とモータの回転子の回転軸の軸芯が一致するようにして、組み立て作業の軸芯の調整を不要にした。【選択図】図１It is difficult to make the rotational axis of a power machine and the rotational axis of a rotor of a motor completely coincide with each other due to a dimensional error in manufacturing. Adjustment to match was necessary. Provided is a jig that can be smoothly adjusted. A rotating shaft 5 of a rotor 3 of a motor 2 has a hollow cylindrical shape, and an outer peripheral surface of a projecting portion 10 of a jig 1 and an outer peripheral surface of a rotating shaft of a power machine incorporated in a motor serve as a rotating shaft of the motor. On the other hand, by adopting an inlay fitting structure, the axis of the rotating shaft of the power machine and the axis of rotation of the rotor of the motor coincide with each other, so that the adjustment of the axis of the assembling work becomes unnecessary. [Selection] Figure 1

Description

本発明は、モータを動力機械に組み立てる際に使用する治具およびその治具を使用した組み立て方法に関する。   The present invention relates to a jig used for assembling a motor to a power machine and an assembling method using the jig.

ハイブリッド自動車用のモータに見られるように、モータと動力機械とを組み合わせる場合には、動力機械のハウジングとモータのケースとを組み合わせると共に、動力機械の回転軸とモータの回転子の軸芯とを一致させて組み合わせることが必要である。
この動力機械とモータとの組み立ての作業効率を上げるため、モータの回転子と、この回転子に対向する固定子との相対位置関係を予め適正に調整して、一体の構造物として、この位置関係を維持した状態で補助治具に固定し、作業現場での調整の手間を取り除くことが行われている（特許文献１）。 As seen in motors for hybrid vehicles, when a motor and a power machine are combined, the power machine housing and the motor case are combined, and the rotary shaft of the power machine and the axis of the rotor of the motor are combined. It is necessary to match and combine.
In order to increase the working efficiency of the assembly of the power machine and the motor, the relative positional relationship between the rotor of the motor and the stator facing the rotor is appropriately adjusted in advance so that this position is obtained as an integral structure. In a state where the relationship is maintained, it is fixed to an auxiliary jig to remove the trouble of adjustment at the work site (Patent Document 1).

すなわち、特許文献１においては、電動発電機の組み立て方法が示されている。
特許文献１に示されている構成は、モータの固定子と回転子を、補助治具に取り付けて一体構造として、この一体構造になったユニットを動力機械に位置合わせを行って固定した後に補助治具を外して、動力機械にモータを組み立てるものである。 That is, Patent Document 1 shows a method for assembling a motor generator.
In the configuration shown in Patent Document 1, the stator and rotor of the motor are attached to an auxiliary jig to form an integral structure, and the unit that has become an integral structure is aligned with the power machine and fixed. The jig is removed and the motor is assembled to the power machine.

特開２０１１−９４５８８号公報JP 2011-94588 A

実際にモータを動力機械に組み立てる場合には、特許文献１に示されているように、補助治具を使用してモータの固定子と回転子とを予め位置関係を調整して一体構造体とすることは作業効率を向上させるための重要な技術である。しかし、動力機械とモータとを組み合わせることを前提として設計を行っている場合であっても、製造上の寸法誤差によって、動力機械の回転軸とモータの回転子の回転軸とを完全に一致させることは困難であり、動力機械とモータとを組み合わせた後に、回転軸の軸芯を一致させるための調整が必要であった。   When actually assembling the motor in a power machine, as shown in Patent Document 1, the positional relationship between the stator and rotor of the motor is adjusted in advance using an auxiliary jig, Doing is an important technique for improving work efficiency. However, even when the design is based on the premise that the power machine and the motor are combined, the rotational axis of the power machine and the rotational axis of the rotor of the motor are completely matched due to dimensional errors in manufacturing. This is difficult, and after combining the power machine and the motor, it is necessary to adjust the axis of the rotary shaft to coincide.

本発明は、前述の問題を解消するために行われたもので、製造において生じる寸法誤差の影響を、動力機械の回転軸の軸芯とモータの回転子の回転軸の軸芯とを一致させるように、調整作業が円滑に行い得る治具を提案するもので、この治具を使用した組み立て方法を提供することを目的とするものである。   The present invention has been made to solve the above-described problems, and the influence of the dimensional error generated in manufacturing is made to coincide with the axis of the rotating shaft of the power machine and the axis of the rotating shaft of the rotor of the motor. Thus, the jig | tool which can perform an adjustment operation | work smoothly is proposed, and it aims at providing the assembly method using this jig | tool.

本発明は、組み立てる対象のモータの回転子の回転軸を中空の円筒形状とし、このモータの組み立て治具として、モータの回転子を固定する第１の固定部と、前記回転子に対して所定の間隙を介して前記モータの固定子を固定する第２の固定部と、前記回転子を動力機械の回転軸に固定する第１の固定手段を貫通させ得る第１の貫通窓と、前記固定子を前記動力機械のハウジングに固定する第２の固定手段を貫通させ得る第２の貫通窓と、前記回転子の回転軸の内壁面に接して前記動力機械の回転軸の外周面と面一になり得る外周面を有する突出部とを備えたことを特徴とするモータ組み立て治具とするものである。   According to the present invention, the rotating shaft of the rotor of the motor to be assembled has a hollow cylindrical shape, and a first fixing portion for fixing the rotor of the motor is used as an assembly jig for the motor, and the rotor has a predetermined shape. A second fixing portion that fixes the stator of the motor via a gap, a first through window that can pass through a first fixing means that fixes the rotor to a rotating shaft of a power machine, and the fixing A second penetrating window through which a second fixing means for fixing the child to the housing of the power machine can be passed, and an outer peripheral surface of the rotating shaft of the power machine flush with an inner wall surface of the rotating shaft of the rotor And a projecting portion having an outer peripheral surface that can be a motor assembly jig.

本発明では、治具の突出部の外周面が、回転子の回転軸の内壁面に接して前記動力機械の回転軸の外周面と面一になることによって、動力機械の回転軸とモータの回転子の回転軸の軸芯が一致するため、治具を用いて組み立て作業の過程で回転軸の軸芯の調整を行う必要が無くなるという効果を得ることができる。   In the present invention, the outer peripheral surface of the protruding portion of the jig is in contact with the inner wall surface of the rotating shaft of the rotor and is flush with the outer peripheral surface of the rotating shaft of the power machine. Since the axis of the rotating shaft of the rotor matches, it is possible to obtain an effect that it is not necessary to adjust the axis of the rotating shaft during the assembly operation using a jig.

（ａ）本発明の実施の形態１の治具の平面図である。（ｂ）治具を使用している状態を表す断面図である。(A) It is a top view of the jig | tool of Embodiment 1 of this invention. (B) It is sectional drawing showing the state which is using the jig | tool. 本発明のモータの組み立て工程１を示す断面図である。It is sectional drawing which shows the assembly process 1 of the motor of this invention. 本発明のモータの組み立て工程２を示す断面図である。It is sectional drawing which shows the assembly process 2 of the motor of this invention. 本発明のモータの組み立て工程３を示す断面図である。It is sectional drawing which shows the assembly process 3 of the motor of this invention. 本発明のモータの組み立て工程４を示す断面図である。It is sectional drawing which shows the assembly process 4 of the motor of this invention. 本発明のモータの組み立て工程５を示す断面図である。It is sectional drawing which shows the assembly process 5 of the motor of this invention.

実施の形態１
以下、本発明の実施の形態を図面に基づいて説明を行う。この説明では、使用する治具の構造、モータの回転軸、動力機械の回転軸の構造とその使用手順について説明する。
図１（ａ）に、本発明において使用する治具１の平面図を示す。また、図１（ｂ）に、この治具１を使用して、モータ２の回転子３と固定子７をユニットとして一体構造にした状態の構造の断面図を示している。 Embodiment 1
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In this description, the structure of the jig to be used, the structure of the rotating shaft of the motor, the structure of the rotating shaft of the power machine, and the procedure for using the structure will be described.
FIG. 1A shows a plan view of a jig 1 used in the present invention. FIG. 1B shows a cross-sectional view of the structure in which the jig 1 is used to integrally form the rotor 3 and the stator 7 of the motor 2 as a unit.

図１（ａ）に示すように、治具１の中央部の近くに、モータ２の回転子３を固定する第１の固定部４としてボルト穴が設けられている。この第１の固定部４は、回転子３の回転軸５の軸芯に対して等しい角度（１２０度）の位置に３か所設けられている。そして、第１の固定部４の近傍に、回転子３を動力機械の回転軸に固定するためのボルトを通すための第１の貫通窓６が設けられている。また、治具１の周縁部には、モータ２の固定子７を治具１に固定するための第２の固定部８としてボルト穴が設けられ、固定子７を動力機械のハウジングに固定するためのボルトを通すための第２の貫通窓９が設けられている。   As shown in FIG. 1A, a bolt hole is provided as a first fixing portion 4 that fixes the rotor 3 of the motor 2 near the center portion of the jig 1. The first fixing portion 4 is provided at three positions at the same angle (120 degrees) with respect to the axis of the rotation shaft 5 of the rotor 3. A first through window 6 for passing a bolt for fixing the rotor 3 to the rotating shaft of the power machine is provided in the vicinity of the first fixing portion 4. Further, a bolt hole is provided in the peripheral portion of the jig 1 as a second fixing portion 8 for fixing the stator 7 of the motor 2 to the jig 1, and fixes the stator 7 to the housing of the power machine. The 2nd penetration window 9 for letting the bolt for passing through is provided.

この治具１は、図１（ｂ）に示すように、モータ２の回転子３と固定子７が、回転子３の回転軸５の軸芯に合うように調整され、回転子３と固定子７とが所定の間隙Ｚを維持する一体構造となるように固定されている。また、回転子３の回転軸５は、中空の円筒形の形状として、治具１の突出部１０が嵌まり込むように構成されている。この突出部１０の外周面が回転子３の回転軸５の内壁面に接している。この治具１の突出部１０の嵌まり込みの構造と第１の固定部４のボルト４ａａの位置決めの構造によって、回転子３の回転軸５の軸芯のずれを無くすことができる。   As shown in FIG. 1 (b), the jig 1 is adjusted so that the rotor 3 and the stator 7 of the motor 2 are aligned with the axis of the rotating shaft 5 of the rotor 3, and fixed to the rotor 3. The child 7 is fixed so as to have an integral structure that maintains a predetermined gap Z. Moreover, the rotating shaft 5 of the rotor 3 is formed in a hollow cylindrical shape so that the protruding portion 10 of the jig 1 is fitted therein. The outer peripheral surface of the protrusion 10 is in contact with the inner wall surface of the rotating shaft 5 of the rotor 3. Due to the fitting structure of the projecting portion 10 of the jig 1 and the positioning structure of the bolt 4aa of the first fixing portion 4, the shift of the axis of the rotating shaft 5 of the rotor 3 can be eliminated.

図１（ｂ）のように、モータ２の回転子３と固定子７を治具１によってユニットとして取り扱うことができるように、中心部近傍のボルト穴にボルト４ａａを通して、モータ２の回転子３を治具１に接続する。また、治具１の周縁部のボルト穴にボルト８ａａを通して、モータ２の固定子７を治具１に接続して一体化している。   As shown in FIG. 1B, the rotor 3 and the stator 7 of the motor 2 can be handled as a unit by the jig 1, and the bolt 3aa is passed through the bolt hole in the vicinity of the center portion so that the rotor 3 of the motor 2 can be handled. Is connected to the jig 1. Further, the stator 7 of the motor 2 is connected to the jig 1 through the bolt hole 8aa in the peripheral edge of the jig 1 and integrated.

モータ２の回転子３と固定子７を治具によって一体化した後、図２に示すように、一体化した回転子３と固定子７を、動力機械１１の回転軸１２とハウジング１３にそれぞれ接続する。ここで、治具１の突出部１０とモータ２の回転子３の回転軸５との間はインローの嵌め合い構造となっている。また、動力機械１１の回転軸１２の外周面は、モータ２の回転子３の回転軸５の円筒形状の内壁面に対してインローの嵌め合い構造となっている。このインローの構造によって、治具１の突出部１０は、モータ２の回転子３の回転軸５に対して径方向および軸方向の位置決めが行われる。また、動力機械１１の回転軸１２は、
回転子３の回転軸５に対して径方向および軸方向の位置決めが行われる。なお、インローとは、筒形の二つの部品を嵌め合い組み立てするときに、適正なセンタリングを得る方法であって、正確に外形を合わせるため、一方の部品にその外径より小さい径の数ミリの出っ張りを付け、相手側部品にその出っ張りに嵌り合う内径の窪みを設けるものであって、センタリングの方式および、嵌り合う部分の両方をインローと呼ぶものである。 After the rotor 3 and the stator 7 of the motor 2 are integrated by a jig, the integrated rotor 3 and the stator 7 are respectively attached to the rotating shaft 12 and the housing 13 of the power machine 11 as shown in FIG. Connecting. Here, between the protrusion part 10 of the jig | tool 1 and the rotating shaft 5 of the rotor 3 of the motor 2, it has an inlay fitting structure. Further, the outer peripheral surface of the rotary shaft 12 of the power machine 11 has an inlay fitting structure with the cylindrical inner wall surface of the rotary shaft 5 of the rotor 3 of the motor 2. With this inlay structure, the protruding portion 10 of the jig 1 is positioned in the radial direction and the axial direction with respect to the rotating shaft 5 of the rotor 3 of the motor 2. The rotating shaft 12 of the power machine 11 is
Positioning in the radial direction and the axial direction is performed with respect to the rotating shaft 5 of the rotor 3. The inlay is a method for obtaining proper centering when fitting and assembling two cylindrical parts. In order to accurately match the outer shape, one part has a diameter smaller than its outer diameter by several millimeters. And the other part is provided with a recess having an inner diameter that fits the protrusion, and both the centering method and the fitting part are called inlays.

また、図２に示すように、モータ２の固定子７と動力機械１１のハウジング１３との位置合わせを行った後、さらに嵌め込みを進めていくと図３に示すように、動力機械１１の回転軸１２の先端がモータ２の回転子３の回転軸５の円筒形状の内部に位置決めされる。この場合、モータ２の回転子３と動力機械１１の回転軸１２の間隔Ｘよりも、モータ２の固定子７と動力機械１１のハウジング１３との間隔Ｙが狭い状態になるようにしている。この状態で、さらにモータ２の固定子７を軸方向に移動させて、動力機械１１のハウジング１３に当接させ、図４に示すような位置関係になる。   Further, as shown in FIG. 2, after the positioning of the stator 7 of the motor 2 and the housing 13 of the power machine 11 is performed, when the fitting is further advanced, the rotation of the power machine 11 is performed as shown in FIG. The tip of the shaft 12 is positioned inside the cylindrical shape of the rotating shaft 5 of the rotor 3 of the motor 2. In this case, the distance Y between the stator 7 of the motor 2 and the housing 13 of the power machine 11 is made narrower than the distance X between the rotor 3 of the motor 2 and the rotary shaft 12 of the power machine 11. In this state, the stator 7 of the motor 2 is further moved in the axial direction and brought into contact with the housing 13 of the power machine 11, so that the positional relationship shown in FIG.

ここで、モータ２の固定子７と動力機械１１のハウジング１３とを固定するため、治具１の第２の貫通窓９を通して、モータ２の固定子７と動力機械１１のハウジング１３とがボルト８ａｂによって固定される。この図４に示す時点では、モータ２の固定子７が動力機械１１のハウジング１３に隙間の無い状態で、ボルト８ａｂによって固定されている。この状態で、モータ２の回転子３の回転軸５の円筒形状の内部に動力機械１１の回転軸１２の先端があり、動力機械１１の回転軸１２とモータ２の回転子３の軸芯が同じ軸芯となる。   Here, in order to fix the stator 7 of the motor 2 and the housing 13 of the power machine 11, the stator 7 of the motor 2 and the housing 13 of the power machine 11 are bolted through the second through window 9 of the jig 1. It is fixed by 8ab. At the time shown in FIG. 4, the stator 7 of the motor 2 is fixed to the housing 13 of the power machine 11 by the bolt 8ab with no gap. In this state, the tip of the rotary shaft 12 of the power machine 11 is located inside the cylindrical shape of the rotary shaft 5 of the rotor 3 of the motor 2, and the axis of the rotary shaft 12 of the power machine 11 and the rotor 3 of the motor 2 are aligned. The same axis.

さらに、モータ２の回転子３を軸方向にスライドさせて、動力機械１１の回転軸１２と、モータ２の回転子３を接合し、図５に示す状態になる。さらに、モータ２の回転子３と動力機械１１の回転軸１２とを固定するため、治具１の第１の貫通窓６を通して、ボルト４ａｂを通し、モータ２の回転子３を治具１に接続するボルト４ａａを緩め、ボルト４ａｂを締めることによってモータ２の回転子３が動力機械１１の回転軸１２に接触するように移動される。   Further, the rotor 3 of the motor 2 is slid in the axial direction, and the rotating shaft 12 of the power machine 11 and the rotor 3 of the motor 2 are joined, and the state shown in FIG. 5 is obtained. Furthermore, in order to fix the rotor 3 of the motor 2 and the rotating shaft 12 of the power machine 11, the bolt 4ab is passed through the first through window 6 of the jig 1, and the rotor 3 of the motor 2 is attached to the jig 1. The rotor 3 of the motor 2 is moved so as to contact the rotating shaft 12 of the power machine 11 by loosening the bolt 4aa to be connected and tightening the bolt 4ab.

モータ２の回転子３と動力機械１１の回転軸１２とをボルト４ａｂによって固定し、モータ２の固定子７と動力機械１１のハウジング１３とをボルト８ａｂによって固定した後、図６に示すように、治具１とモータ２とを固定していた複数のボルト４ａａ、８ａａを取り外し、治具１をモータ２とを取り外し、モータ２と動力機械１１との組み立てが完了する。
以上によって、動力機械１１に対するモータ２の組み立てについて、治具１の一方の面からの取り付け、調整および取り外しの作業が行われることになる。特に、モータ２の回転軸５に対して動力機械１１の回転軸１２が、インローの嵌め合わせの構造をとることによって、回転の軸芯の調整を行うようにしているので、現場での組み立て作業が効率の良いことになる。 The rotor 3 of the motor 2 and the rotating shaft 12 of the power machine 11 are fixed with bolts 4ab, and the stator 7 of the motor 2 and the housing 13 of the power machine 11 are fixed with bolts 8ab, as shown in FIG. The plurality of bolts 4aa and 8aa that fixed the jig 1 and the motor 2 are removed, the jig 1 is detached from the motor 2, and the assembly of the motor 2 and the power machine 11 is completed.
As described above, for the assembly of the motor 2 with respect to the power machine 11, the work of attachment, adjustment, and removal from one surface of the jig 1 is performed. In particular, the rotation shaft 12 of the power machine 11 is adjusted to the rotation shaft core by adopting an inlay fitting structure with respect to the rotation shaft 5 of the motor 2. Will be efficient.

なお、本発明の実施の形態として、動力機械にモータを組みあわせる場合を説明している。この動力機械としては、ハウジングと回転軸を有する構造体として説明しているもので、その機械そのものが動力を有するものに限られるものではない。また、本発明は、その発明の範囲内において、実施の形態の任意の構成要素を適宜、変更または省略することが可能である。   In addition, the case where a motor is combined with a power machine is demonstrated as embodiment of this invention. This power machine is described as a structure having a housing and a rotating shaft, and the machine itself is not limited to one having power. Further, in the present invention, any component of the embodiment can be appropriately changed or omitted within the scope of the invention.

１ 治具、２ モータ、３ 回転子、４ 第１の固定部、５ 回転軸、
６ 第１の貫通窓、７ 固定子、８ 第２の固定部、９ 第２の貫通窓、
１０ 突出部、１１ 動力機械、１２ 回転軸、１３ ハウジング、
４ａａ，４ａｂ，８ａａ，８ａｂ ボルト 1 Jig, 2 Motor, 3 Rotor, 4 First fixed part, 5 Rotating shaft,
6 first through window, 7 stator, 8 second fixing portion, 9 second through window,
10 Protruding part, 11 Power machine, 12 Rotating shaft, 13 Housing,
4aa, 4ab, 8aa, 8ab bolt

Claims (4)

回転子の回転軸が中空の円筒形状のモータの組み立て治具として、前記モータの回転子を固定する第１の固定部と、前記回転子に対して所定の間隙を介して前記モータの固定子を固定する第２の固定部と、前記回転子を動力機械の回転軸に固定する第１の固定手段を貫通させ得る第１の貫通窓と、前記固定子を前記動力機械のハウジングに固定する第２の固定手段を貫通させ得る第２の貫通窓と、前記回転子の回転軸の内壁面に接して前記動力機械の回転軸の外周面と面一になり得る外周面を有する突出部とを備えたことを特徴とするモータの組み立て治具。   As an assembly jig for a cylindrical motor having a hollow rotor shaft, a first fixing portion for fixing the rotor of the motor, and a stator of the motor via a predetermined gap with respect to the rotor A second fixing portion that fixes the rotor, a first through window that can pass through a first fixing means that fixes the rotor to a rotating shaft of the power machine, and the stator fixed to the housing of the power machine A second penetrating window capable of penetrating the second fixing means; and a protrusion having an outer peripheral surface that is in contact with an inner wall surface of the rotating shaft of the rotor and can be flush with an outer peripheral surface of the rotating shaft of the power machine; A motor assembly jig characterized by comprising: 前記回転子の中空の円筒形状に対して、前記治具の突出部および前記動力機械の回転軸がインローの嵌め合い構造となっていることを特徴とする請求項１に記載のモータの組み立て治具。   2. The motor assembly according to claim 1, wherein the protruding portion of the jig and the rotating shaft of the power machine have an inlay fitting structure with respect to the hollow cylindrical shape of the rotor. Ingredients. 回転子の回転軸が中空の円筒形状のモータに対し、前記モータの回転子を治具の第１の固定部によって固定し、前記回転子に対して所定の間隙で前記モータの固定子を前記治具の第２の固定部によって固定し、前記モータの回転軸の中空の円筒形状にインローの嵌め合いとなる突出部を嵌めて、動力機械のハウジングと前記モータの前記固定子とを接続し、前記動力機械の回転軸を前記モータの回転軸の中空の円筒形状にインローの嵌め合いとして接続するようにしたことを特徴とするモータの組み立て方法。   The rotor of the rotor is fixed to a cylindrical motor having a hollow rotor shaft by a first fixing portion of a jig, and the stator of the motor is fixed to the rotor with a predetermined gap. It is fixed by the second fixing part of the jig, and a projection part that fits the spigot is fitted into the hollow cylindrical shape of the rotating shaft of the motor to connect the housing of the power machine and the stator of the motor. A motor assembling method, characterized in that the rotating shaft of the power machine is connected to the hollow cylindrical shape of the rotating shaft of the motor as an inlay fit. 前記動力機械のハウジングと前記モータの前記固定子の接続後に、前記モータの前記回転子を移動させて、前記動力機械の回転軸を前記モータの回転軸の中空の円筒形状にインローの嵌め合いを行うようにしたことを特徴とする請求項３に記載のモータの組み立て方法。
After the housing of the power machine and the stator of the motor are connected, the rotor of the motor is moved so that the rotary shaft of the power machine is fitted into the hollow cylindrical shape of the rotary shaft of the motor. The motor assembling method according to claim 3, wherein the motor is assembled.
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