JPS642533Y2 - - Google Patents
Info
- Publication number
- JPS642533Y2 JPS642533Y2 JP16980882U JP16980882U JPS642533Y2 JP S642533 Y2 JPS642533 Y2 JP S642533Y2 JP 16980882 U JP16980882 U JP 16980882U JP 16980882 U JP16980882 U JP 16980882U JP S642533 Y2 JPS642533 Y2 JP S642533Y2
- Authority
- JP
- Japan
- Prior art keywords
- armature
- hub
- generator
- inner diameter
- rotor shaft
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000004804 winding Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 230000004907 flux Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
【考案の詳細な説明】
本考案は発電機付電動機、特に電動機の回転子
軸に速度計発電機の電機子を直結固着した発電機
付電動機の改良に関するものである。[Detailed Description of the Invention] The present invention relates to an improvement in a motor with a generator, and particularly in a motor with a generator in which the armature of a speedometer generator is directly connected and fixed to the rotor shaft of the motor.
本考案の発電機付電動機は、速度計発電機の電
機子巻線を巻装した電機子鉄芯と整流子とを中空
の電機子ハブに一体的に固着し、該ハブ中心穴の
内径を該ハブに挿入される電動機の回転子軸の外
径に合致する大きさとすると共に該ハブの一端よ
りある長さ部分の内径を上記内径より少し大きい
値とし、該中空の電機子ハブの大きい内径部分の
内周面と該ハブに挿入された回転子軸間の間隙
に、その幅方向に波形の小突起を多数配設した薄
い金属板の帯状体を円筒形に丸めて形成した介挿
物を介挿したことを特徴とする。 The electric motor with a generator of the present invention has an armature iron core wrapped with an armature winding of a speedometer generator and a commutator integrally fixed to a hollow armature hub, and the inner diameter of the center hole of the hub is The hollow armature hub has a large inner diameter that is sized to match the outer diameter of the rotor shaft of the electric motor inserted into the hub, and the inner diameter of a certain length from one end of the hub is slightly larger than the above inner diameter. An insert formed by rolling a thin metal strip into a cylindrical shape and having a large number of small corrugated protrusions arranged in the width direction in the gap between the inner peripheral surface of the part and the rotor shaft inserted into the hub. It is characterized by the insertion of
以下図面に従い従来及び本考案の実施例につい
て説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS Conventional embodiments and embodiments of the present invention will be described below with reference to the drawings.
従来より実施されている発電機付電動機は第１
図に示すように磁性材料製の固定子ハウジング１
の内周面に界磁用永久磁石４を当接固着し、該永
久磁石４の内周面に空隙を介して電動機電機子を
対向配設している。該電機子に於ては回転子軸８
に電機子鉄芯１１と整流子１３とを一体的に固着
し、電機子鉄芯１１に複数個の電機子巻線１２を
全周に沿つて巻装し、電機子巻線１２の端末を整
流子１３のセグメントに接続している。又、該電
機子はエンドブラケツト２と３に設けた主軸受５
で回転自在に軸支し、エンドブラケツト３に設け
た一対のブラシホルダ６に滑動自在に装着したブ
ラシ７を整流子１３の外周に当接し適度のバネ圧
力でブラシを整流子に圧着している。このような
従来の電動機に於てはブラシ７の端子より直流電
流を整流子１３を介して電機子巻線１２に流すと
界磁用永久磁石４より発生した磁束との相互作用
で電機子に一定方向に連続して回転力を発生す
る。 The conventional electric motor with a generator is the first
Stator housing 1 made of magnetic material as shown in the figure
A field permanent magnet 4 is abutted and fixed on the inner circumferential surface of the permanent magnet 4, and a motor armature is disposed opposite to the inner circumferential surface of the permanent magnet 4 with a gap interposed therebetween. In the armature, the rotor shaft 8
The armature core 11 and the commutator 13 are integrally fixed to the armature core 11, a plurality of armature windings 12 are wound around the entire circumference of the armature core 11, and the terminals of the armature windings 12 are It is connected to a segment of commutator 13. The armature also has main bearings 5 provided on the end brackets 2 and 3.
A brush 7 is rotatably supported on the shaft and slidably attached to a pair of brush holders 6 provided on the end bracket 3. The brush 7 is brought into contact with the outer periphery of the commutator 13, and the brush is crimped to the commutator with an appropriate spring pressure. . In such a conventional electric motor, when a DC current is passed from the terminal of the brush 7 to the armature winding 12 via the commutator 13, it is applied to the armature by interaction with the magnetic flux generated from the field permanent magnet 4. Generates rotational force continuously in a fixed direction.
又、速度計発電機部に於ては、電動機の後部エ
ンドブラケツト３の外側に発電機の固定子ハウジ
ング１４を同芯的に設け、該固定子ハウジング１
４の内周面に当接して発電機用界磁磁石１５を固
着し、該界磁磁石１５の内周面に空隙を介して対
向し発電機の電機子を対向配設している。該発電
機の電機子に於ては回転子軸２０に電機子鉄芯２
２と整流子２４とを一体的に固着し、電機子鉄芯
２２には全周に沿つて電機子巻線２３を巻装し、
電機子巻線２３の端末を整流子２４のセグメント
に接続し、回転子軸２０の一端を電動機の回転子
軸８の後部端面に設けた孔に嵌着し、回転子軸８
に設けた固定ネジ２１で固定し、回転子軸２０の
他端は固定子ハウジング１４の後部に設けた補助
軸受１８で支承し、固定子ハウジング１４に設け
た一対のブラシホルダ１６に滑動自在に装着され
たブラシ１７を整流子２４の外周に当接し適度の
バネ圧で接触せしめるようにしている。 In addition, in the speedometer generator section, a stator housing 14 of the generator is provided concentrically on the outside of the rear end bracket 3 of the electric motor, and the stator housing 1
A generator field magnet 15 is fixed in contact with the inner circumferential surface of the generator 4, and the armature of the generator is disposed opposite to the inner circumferential surface of the field magnet 15 with a gap in between. In the armature of the generator, an armature iron core 2 is attached to the rotor shaft 20.
2 and a commutator 24 are integrally fixed, and an armature winding 23 is wound around the entire circumference of the armature iron core 22,
The end of the armature winding 23 is connected to a segment of the commutator 24, and one end of the rotor shaft 20 is fitted into a hole provided in the rear end face of the rotor shaft 8 of the motor.
The other end of the rotor shaft 20 is supported by an auxiliary bearing 18 provided at the rear of the stator housing 14, and is slidably attached to a pair of brush holders 16 provided on the stator housing 14. The mounted brush 17 is brought into contact with the outer periphery of the commutator 24 with appropriate spring pressure.
尚、９，１０は回転子軸８に設けたローレツト
を示す。 Note that 9 and 10 indicate knurling provided on the rotor shaft 8.
この第１図に示した従来の発電機付電動機に於
ては電動機の一対のブラシ７を通じて電機子に電
流を流すと電流の極性に従つた一定の方向に電機
子が回転し、回転子軸８に直結された発電機の電
機子巻線２３が界磁磁石１５の磁束と作用して電
機子の回転速度に比例した起電力を発生し、整流
子２４とブラシ１７を介して外部に回転速度に比
例した直流電圧を発生する。 In the conventional electric motor with a generator shown in FIG. 1, when a current is passed through the armature through a pair of brushes 7 of the motor, the armature rotates in a fixed direction according to the polarity of the current, and the rotor shaft The armature winding 23 of the generator directly connected to the generator 8 interacts with the magnetic flux of the field magnet 15 to generate an electromotive force proportional to the rotation speed of the armature, which rotates externally via the commutator 24 and the brush 17. Generates a DC voltage proportional to speed.
この第１図に示した従来の発電機付電動機は上
記のように発電機の回転子軸２０の一端を電動機
の回転子軸８の一端に設けた孔の中に嵌着してネ
ジ２１で固着し、他端を固定子ハウジング１４の
後部に設けた補助軸受１８で支承するという複雑
な構造であり、回転子軸８に発電機の回転子軸２
０を固定するネジ２１は固定子ハウジング１４に
設けた点検孔１９よりネジ締作業をする必要があ
る等、工程上の問題もあり、しかも発電機の電機
子の中心が、電動機の回転子軸８と結合する部分
でずれるという問題があり、速度発電機の出力電
圧に低い周波数のリツプルを含有するという不都
合があつた。 The conventional electric motor with a generator shown in FIG. 1 is constructed by fitting one end of the rotor shaft 20 of the generator into a hole provided at one end of the rotor shaft 8 of the electric motor and tightening the screw 21 as described above. It has a complicated structure in which the rotor shaft 2 of the generator is fixed to the rotor shaft 8 and the other end is supported by an auxiliary bearing 18 provided at the rear of the stator housing 14.
There are also problems with the process, such as the need to tighten the screws 21 that fix the 0 through the inspection holes 19 provided in the stator housing 14. Moreover, the center of the generator's armature is located close to the motor's rotor shaft. There was a problem in that the output voltage of the speed generator was shifted at the part where it was connected to the speed generator, and the output voltage of the speed generator included low frequency ripples.
本考案に於ては上記のような従来の発電機付電
動機の欠陥を除き、簡単な構造で発電機の電機子
を回転子軸に正確な芯出しを行つて取付け得るよ
うにしたものであつて第２図ａに示すように中空
円筒状の電機子ハブ３０の外側に電機子鉄芯２２
と整流子２４とを固着して発電機の電機子を構成
し、上記中空の電機子ハブ３０の中空穴の内径は
その全長L1の内その一端よりL2の部分を除きd3
の大きさに加工し、上記L2の長さの部分は内径d3
より大きい内径d2に加工する。一方電動機の回転
子軸８の後部は後部エンドブラケツト３に設けた
主軸受５の部分８−１では外径d1に加工し、後部
エンドブラケツト３より後部に突出した部分８−
２は外径d1より少し小さく上記電機子ハブの内径
d3に合致する大きさの外径とし長さをL1とする。 The present invention eliminates the above-mentioned deficiencies of conventional generator-equipped motors, and has a simple structure that allows the generator armature to be mounted with accurate centering on the rotor shaft. As shown in FIG.
and commutator 24 are fixed to form the armature of the generator, and the inner diameter of the hollow hole of the hollow armature hub 30 is d 3 excluding the portion L 2 from one end of the entire length L 1
The length of L 2 above is the inner diameter d 3
Machining to larger inner diameter d2 . On the other hand, at the rear of the rotor shaft 8 of the electric motor, a portion 8-1 of the main bearing 5 provided on the rear end bracket 3 is machined to have an outer diameter d1 , and a portion 8-1 protrudes rearward from the rear end bracket 3.
2 is the outer diameter d, which is slightly smaller than 1 and the inner diameter of the armature hub above.
Let the outer diameter match d 3 and the length L 1 .
発電機の電機子を回転子軸８に固着するには発
電機の電機子ハブ３０の内径d2の内周面と回転子
軸８の部分８−２との間の間隙に円環状の介挿物
３４を介挿して固着するようにする。尚、円環状
の介挿物３４は第２図ｂ，ｃに示すように弾性の
ある薄い金属板、例えばステンレス鋼等の帯状体
の幅方向に波形の小突起３４−１を定ピツチで多
数設け、該帯状体を円筒状に丸めて形成する。こ
の波形の小突起３４−１は帯状体の幅l1より狭い
l2の範囲に設け、円筒状に丸めた時の自由状態に
おける内径d′3は回転子軸の部分８−２の外径よ
り少し小さくし、かつ、外径d′2と内径d′3の差は
電機子ハブ３０の一端に設けた穴の内径d2と回転
子軸８の部分８−２の外径との差より少し大きく
構成する。 In order to secure the generator armature to the rotor shaft 8, an annular interposition is provided in the gap between the inner circumferential surface of the generator armature hub 30 having an inner diameter d2 and the portion 8-2 of the rotor shaft 8. An insert 34 is inserted and fixed. As shown in FIGS. 2b and 2c, the annular insert 34 has a large number of wavy small protrusions 34-1 arranged at regular pitches in the width direction of a thin elastic metal plate, for example, a belt-like material such as stainless steel. and roll the strip into a cylindrical shape. This wave-shaped small protrusion 34-1 is narrower than the width l1 of the band-shaped body.
l 2 , and the inner diameter d' 3 in the free state when rolled into a cylindrical shape is slightly smaller than the outer diameter of the rotor shaft portion 8-2, and the outer diameter d' 2 and the inner diameter d' 3 The difference is slightly larger than the difference between the inner diameter d2 of the hole provided at one end of the armature hub 30 and the outer diameter of the portion 8-2 of the rotor shaft 8.
電動機の回転子軸８に発電機の電機子を装着す
るにはエンドブラケツト３より外部に突出した部
分８−２に介挿物３４を嵌着してその端面を回転
子軸８の部分８−１と部分８−２間に形成される
段部に当接し、次に発電機の電機子ハブ３０を内
径d2の大径穴部を先にして回転子軸８の部分８−
２に嵌着し、電機子ハブ３０の内径d2の部分を介
挿物３４の外側に嵌着して圧入する。この結果、
介挿物３４の波形小突起３４−１の部分が、押圧
され全周にわたつて回転子軸８の部分８−２と電
機子ハブ３０の長さL2の部分の内径d2との間に弾
撥力が作用し、発電機の電機子が回転子軸８の部
分８−２に強固に固着される。電機子ハブ３０の
内径は全長L1の中でL2を除いた部分はd3で、回
転子軸の部分８−２の外径とほとんど一致し、し
かも全長が長いので回転子軸８の部分８−２の中
心と発電機の電機子の中心とは良く一致し電機子
の中心ずれに依る出力電圧にリツプルを含むこと
もなくなり、補助軸受も不要となつて構造が簡単
になる等多くの利益がある。 To attach the armature of the generator to the rotor shaft 8 of the electric motor, fit the insert 34 into the portion 8-2 protruding outward from the end bracket 3, and attach the end surface of the insert 34 to the portion 8-2 of the rotor shaft 8. 1 and part 8-2, and then insert armature hub 30 of the generator into part 8-2 of rotor shaft 8 , with the large diameter hole with inner diameter d2 first.
2, and a portion of the armature hub 30 having an inner diameter d 2 is fitted onto the outside of the insert 34 and press-fitted. As a result,
The portion of the small wave-shaped protrusion 34-1 of the insert 34 is pressed and extends over the entire circumference between the portion 8-2 of the rotor shaft 8 and the inner diameter d 2 of the length L 2 portion of the armature hub 30. An elastic force acts on the rotor shaft 8, and the armature of the generator is firmly fixed to the portion 8-2 of the rotor shaft 8. The inner diameter of the armature hub 30 is d3 , which is the part of the total length L1 excluding L2 , which almost matches the outer diameter of the rotor shaft part 8-2. The center of part 8-2 and the center of the generator's armature match well, so there is no ripple in the output voltage due to armature misalignment, and there is no need for an auxiliary bearing, simplifying the structure, etc. There is a profit.
第１図は従来の発電機付電動機の断面図、第２
図ａは本考案の発電機付電動機の発電機取付部分
の拡大断面図、第２図ｂは円環状介挿物の正面
図、第２図ｃはその側面図である。
１……固定子ハウジング、２，３……エンドブ
ラケツト、４……永久磁石、５……主軸受、６…
…ブラシホルダ、７……ブラシ、８……回転子
軸、８−１，８−２……部分、９，１０……ロー
レツト、１１……電機子鉄芯、１２……電機子巻
線、１３……整流子、１４……固定子ハウジン
グ、１５……界磁磁石、１６……ブラシホルダ、
１７……ブラシ、１８……補助軸受、１９……点
検孔、２０……回転子軸、２１……ネジ、２２…
…電機子鉄芯、２３……電機子巻線、２４……整
流子、３０……電機子ハブ、３４……介挿物、３
４−１……小突起。
Figure 1 is a sectional view of a conventional electric motor with generator, Figure 2
Figure a is an enlarged sectional view of the generator-attached part of the electric motor with generator of the present invention, Figure 2b is a front view of the annular insert, and Figure 2c is a side view thereof. 1... Stator housing, 2, 3... End bracket, 4... Permanent magnet, 5... Main bearing, 6...
... Brush holder, 7 ... Brush, 8 ... Rotor shaft, 8-1, 8-2 ... Part, 9, 10 ... Knurling, 11 ... Armature iron core, 12 ... Armature winding, 13... Commutator, 14... Stator housing, 15... Field magnet, 16... Brush holder,
17...Brush, 18...Auxiliary bearing, 19...Inspection hole, 20...Rotor shaft, 21...Screw, 22...
... Armature iron core, 23 ... Armature winding, 24 ... Commutator, 30 ... Armature hub, 34 ... Insert, 3
4-1...Small protrusion.
Claims (1)
芯と整流子とを中空の電機子ハブに一体的に固着
し、該ハブ中心穴の内径を該ハブに挿入される電
動機の回転子軸の外径に合致する大きさとすると
共に該ハブの一端よりある長さ部分の内径を上記
内径より少し大きい値とし、該中空の電機子ハブ
の大きい内径部分の内周面と該ハブに挿入された
回転子軸間の間隙に、その幅方向に波形の小突起
を多数配設した薄い金属板の帯状体を円筒形に丸
めて形成した介挿物を介挿したことを特徴とする
発電機付電動機。 An armature iron core wrapped with an armature winding of a speedometer generator and a commutator are integrally fixed to a hollow armature hub, and the inner diameter of the center hole of the hub is connected to the rotation of the motor inserted into the hub. The size is made to match the outer diameter of the child shaft, and the inner diameter of a certain length from one end of the hub is slightly larger than the inner diameter, and the inner circumferential surface of the large inner diameter part of the hollow armature hub and the hub It is characterized by inserting an insert formed by rolling a thin metal strip into a cylindrical shape and having a large number of small corrugated protrusions arranged in the width direction into the gap between the inserted rotor shafts. Electric motor with generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16980882U JPS5975757U (en) | 1982-11-11 | 1982-11-11 | Electric motor with generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16980882U JPS5975757U (en) | 1982-11-11 | 1982-11-11 | Electric motor with generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5975757U JPS5975757U (en) | 1984-05-23 |
| JPS642533Y2 true JPS642533Y2 (en) | 1989-01-20 |
Family
ID=30370877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16980882U Granted JPS5975757U (en) | 1982-11-11 | 1982-11-11 | Electric motor with generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5975757U (en) |
-
1982
- 1982-11-11 JP JP16980882U patent/JPS5975757U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5975757U (en) | 1984-05-23 |
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