JPH0548366B2 - - Google Patents
Info
- Publication number
- JPH0548366B2 JPH0548366B2 JP60278551A JP27855185A JPH0548366B2 JP H0548366 B2 JPH0548366 B2 JP H0548366B2 JP 60278551 A JP60278551 A JP 60278551A JP 27855185 A JP27855185 A JP 27855185A JP H0548366 B2 JPH0548366 B2 JP H0548366B2
- Authority
- JP
- Japan
- Prior art keywords
- gear
- planetary gear
- output shaft
- input shaft
- sun
- 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 - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Retarders (AREA)
- Structure Of Transmissions (AREA)
Description
【発明の詳細な説明】
発明の目的
［産業上の利用分野］
本発明は、差動遊星歯車装置に関し、詳しくは
遊星歯車機構により入力軸の回転を変速して出力
軸に伝える差動遊星歯車装置に関するものであ
る。[Detailed Description of the Invention] Object of the Invention [Industrial Application Field] The present invention relates to a differential planetary gear device, and more specifically, a differential planetary gear device that uses a planetary gear mechanism to change the speed of the rotation of an input shaft and transmit it to the output shaft. It is related to the device.
［従来の技術］
従来から、差動機構として種々の遊星歯車機構
が広く用いられている。こうした遊星歯車機構を
利用した変速装置として、例えば太陽歯車を入力
軸に接続し、遊星歯車を回動自在に支持する支持
部材の一端を出力軸に接続して、内歯歯車を補助
駆動装置により回転させ、所定の変速を行なう装
置が知られている。[Prior Art] Various planetary gear mechanisms have been widely used as differential mechanisms. As a transmission using such a planetary gear mechanism, for example, a sun gear is connected to an input shaft, one end of a support member that rotatably supports the planetary gear is connected to an output shaft, and an internal gear is driven by an auxiliary drive device. A device is known that rotates the motor and performs a predetermined speed change.
［発明が解決しようとする問題点］
しかしながら、こうした従来の差動遊星歯車装
置には以下の如き問題点があつた。即ち、太陽歯
車を入力軸とし支持部材を出力軸として用いた構
成では、入力軸の回転数が一旦減速されて出力軸
に伝達され、その減速された回転数の前後で変速
された回転数を出力軸から得ることは容易であ
る。しかし、入力軸の回転数の前後で変速された
回転数を出力軸から得るには、内歯歯車を高速で
回転させなければならず、現実的ではなかつた。[Problems to be Solved by the Invention] However, such conventional differential planetary gear devices have the following problems. In other words, in a configuration in which the sun gear is used as an input shaft and the support member is used as an output shaft, the rotation speed of the input shaft is once reduced and transmitted to the output shaft, and the rotation speed is changed around the reduced rotation speed. It is easy to obtain from the output shaft. However, in order to obtain from the output shaft a rotation speed that is varied around the rotation speed of the input shaft, the internal gear must be rotated at high speed, which is not practical.
そこで、本発明は上記の問題点を解決すること
を目的とし、入力回転数の前後に変速された回転
数が得られる差動遊星歯車装置を提供することを
目的としてなされた。 SUMMARY OF THE INVENTION Therefore, the present invention has been made to solve the above-mentioned problems, and to provide a differential planetary gear device that can obtain a rotational speed that is changed before or after the input rotational speed.
発明の構成
［問題点を解決するための手段］
かかる目的を達成すべく、本発明は問題点を解
決するための手段として次の構成をとつた。即
ち、固定された第１内歯歯車、第１遊星歯車及び
第１太陽歯車を備えた第１遊星歯車機構と、回動
自在に支持された第２内歯歯車、第２遊星歯車及
び第２太陽歯車を備えた第２遊星歯車機構とを有
し、両遊星歯車機構の各歯車をそれぞれ同一歯数
に形成し、上記第１太陽歯車及び第２太陽歯車を
同軸上に配すると共に、上記第１太陽歯車及び第
２太陽歯車の一方を入力軸、他方を出力軸とし、
かつ上記第１遊星歯車機構と上記第２遊星歯車
機構との各々の遊星歯車を別個に回動自在に支持
する支持部材を回動自在に支承し、
上記第２遊星歯車機構の第２内歯歯車を回転さ
せる駆動機構により第２内歯歯車を回転して、上
記出力軸を増減速させることを特徴とする差動遊
星歯車装置の構成がそれである。Structure of the Invention [Means for Solving the Problems] In order to achieve the above object, the present invention has the following structure as a means for solving the problems. That is, the first planetary gear mechanism includes a fixed first internal gear, a first planetary gear, and a first sun gear, and a second internal gear, a second planetary gear, and a second planetary gear that are rotatably supported. a second planetary gear mechanism including a sun gear, each gear of both planetary gear mechanisms is formed to have the same number of teeth, the first sun gear and the second sun gear are arranged coaxially, and One of the first sun gear and the second sun gear is an input shaft, and the other is an output shaft, and each planetary gear of the first planetary gear mechanism and the second planetary gear mechanism is separately rotatably supported. The support member is rotatably supported, and the second internal gear is rotated by a drive mechanism that rotates the second internal gear of the second planetary gear mechanism, thereby increasing or decelerating the output shaft. This is the configuration of a differential planetary gear system.
ここで駆動機構は内歯歯車を回転させることが
できる機構であればどのような機構でもよく、例
えば、ウオーム・ホイール歯車を利用して内歯歯
車を回転させてもよく、また、内歯歯車の外周に
外歯歯車を形成し、これとピニオンを噛合させて
回転されてもよい。更に、駆動機構の動力源とし
ては、例えば、交流モータ、DCモータ、パルス
モータでもよい。 Here, the drive mechanism may be any mechanism as long as it can rotate the internal gear; for example, a worm wheel gear may be used to rotate the internal gear; An external gear may be formed on the outer periphery of the motor, and a pinion may be engaged with the external gear to rotate the motor. Further, the power source of the drive mechanism may be, for example, an AC motor, a DC motor, or a pulse motor.
［作用］
上記構成を有する本発明の差動遊星歯車装置
は、２組の遊星歯車機構を備え、各々の遊星歯車
を別個に回動自在に支持する支持部材を回動自在
に支承し、更に第１内歯歯車を固定し、第２内歯
歯車を回動自在に支持して、第２内歯歯車を駆動
機構により回転させることにより、出力軸の回転
数を、入力軸の回転数を中心にして、増減速させ
るよう働く。[Function] The differential planetary gear device of the present invention having the above configuration includes two sets of planetary gear mechanisms, rotatably supports a support member that separately rotatably supports each planetary gear, and further includes: By fixing the first internal gear, rotatably supporting the second internal gear, and rotating the second internal gear by a drive mechanism, the number of rotations of the output shaft and the number of rotations of the input shaft can be adjusted. It works by focusing on the center and increasing or decelerating it.
［実施例］
以下、本発明の実施例を図面に基いて詳細に説
明する。[Example] Hereinafter, an example of the present invention will be described in detail based on the drawings.
第１図は本発明の一実施例である差動遊星歯車
装置の断面図、第２図はそのＡ−Ａ断面図、であ
る。この差動遊星歯車装置には、外部の主駆動源
により回転される入力軸１、入力軸１と係合する
第１遊星歯車装置２、第１遊星歯車装置２と同軸
上に設けられた第２遊星歯車装置４、第２遊星歯
車装置４と係合し、入力軸１を貫通させて外部に
回転を伝達する出力軸６等が配設されている。 FIG. 1 is a cross-sectional view of a differential planetary gear device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line A-A. This differential planetary gear device includes an input shaft 1 rotated by an external main drive source, a first planetary gear device 2 that engages with the input shaft 1, and a second planetary gear device provided coaxially with the first planetary gear device 2. An output shaft 6 that engages with the second planetary gear device 4 and the second planetary gear device 4, passes through the input shaft 1, and transmits rotation to the outside is provided.
ここで第１遊星歯車装置２には、入力軸１にキ
ー結合された第１太陽歯車８、第１太陽歯車８と
噛合し、回動自在に支持された３個の第１遊星歯
車１０、第１遊星歯車１０と噛合し、固定された
第１内歯歯車１２等が配設されている。 Here, the first planetary gear device 2 includes a first sun gear 8 keyed to the input shaft 1, three first planetary gears 10 that mesh with the first sun gear 8 and are rotatably supported; A first internal gear 12 and the like that mesh with and are fixed to the first planetary gear 10 are provided.
また、第２遊星歯車装置４には出力軸６の一端
に一体に形成された第２太陽歯車１４、第２太陽
歯車１４と噛合し回動自在に支持された３個の第
２遊星歯車１６、第２遊星歯車１６と噛合された
第２内歯歯車１８等が配設されている。本実施例
では、第１太陽歯車８と第２太陽歯車１４との歯
数は同一で36枚、第１遊星歯車１０と第２遊星歯
車１６との歯数は同一で18枚、第１内歯歯車１２
と第２内歯歯車１８との歯数は同一で72枚であ
る。 The second planetary gear device 4 also includes a second sun gear 14 integrally formed at one end of the output shaft 6, and three second planetary gears 16 that mesh with the second sun gear 14 and are rotatably supported. , a second internal gear 18 meshed with the second planetary gear 16, and the like are provided. In this embodiment, the first sun gear 8 and the second sun gear 14 have the same number of teeth, 36, and the first planetary gear 10 and the second planetary gear 16 have the same number of teeth, 18. gear gear 12
and the second internal gear 18 have the same number of teeth, 72 teeth.
更に、上記第１遊星歯車１０と上記第２遊星歯
車１６とは支持部材として働く腕２０に各々３本
のピン２２，２４により回動自在に支持されてい
る。 Further, the first planetary gear 10 and the second planetary gear 16 are rotatably supported by three pins 22 and 24, respectively, on an arm 20 that serves as a support member.
第２内歯歯車１８は、外周にホイール歯車が形
成され回動自在に支持されたリング２６にボルト
結合されている。このリング２６は図示しない外
部の補助駆動源により回転されるウオーム歯車２
８と噛合されている。従つて、第２内歯歯車１８
は補助駆動源により任意の回転数で回転させるこ
とができる。 The second internal gear 18 is bolted to a ring 26 that has a wheel gear formed on its outer periphery and is rotatably supported. This ring 26 is a worm gear 2 rotated by an external auxiliary drive source (not shown).
It is meshed with 8. Therefore, the second internal gear 18
can be rotated at any rotational speed by an auxiliary drive source.
本実施例の差動遊星歯車装置は入力軸１が外部
の主駆動源により回転されると、第１太陽歯車８
を介して第１遊星歯車１０が回転される。ここで
第１遊星歯車１０は、第１内歯歯車１２が固定さ
れているから、第１太陽歯車８の廻りを公転し、
これにより腕２０も回転する。従つて、腕２０が
回転すると、この腕２０に回動自在に支持された
第２遊星歯車１６は、自転しながら第２太陽歯車
１４の廻りを公転する。第２内歯歯車の回転数が
Orpmの時、即ち、第２内歯歯車が補助駆動源に
より回転されていないとき、第１太陽歯車８と第
２太陽歯車１４と及び第１遊星歯車１０と第２遊
星歯車１６との歯数は各々同じであるから、第２
太陽歯車１４の回転数と回転方向とは第１太陽歯
車８と同一となる。よつて、入力軸１と出力軸６
との回転数と回転方向とは、同一となる。 In the differential planetary gear device of this embodiment, when the input shaft 1 is rotated by an external main drive source, the first sun gear 8
The first planetary gear 10 is rotated via. Here, since the first internal gear 12 is fixed, the first planetary gear 10 revolves around the first sun gear 8,
This causes the arm 20 to also rotate. Therefore, when the arm 20 rotates, the second planetary gear 16 rotatably supported by the arm 20 revolves around the second sun gear 14 while rotating. The rotation speed of the second internal gear is
Orpm, that is, when the second internal gear is not rotated by the auxiliary drive source, the number of teeth of the first sun gear 8 and the second sun gear 14 and the first planet gear 10 and the second planet gear 16 are the same, so the second
The rotation speed and rotation direction of the sun gear 14 are the same as those of the first sun gear 8. Therefore, input shaft 1 and output shaft 6
The rotation speed and rotation direction are the same.
また、第２内歯歯車１８が補助駆動源によりウ
オーム・ホイール歯車２６，２８を介して回転さ
れ、例えば、入力軸の回転数が1000rpmで、第２
内歯歯車の回転数が入力軸１と同方向に1rpmで
回転されたとき、出力軸６の回転数は増速されて
1002rpmとなり入力軸１と出力軸６との回転数の
差は2rpmとなる。ここで、第２内歯歯車１８を
入力軸と逆方向に1rpmで回転させると出力軸の
回転数は減速されて998rpmとなり、回転数の差
は2rpmとなる。 Further, the second internal gear 18 is rotated by the auxiliary drive source via the worm wheel gears 26 and 28, for example, when the rotational speed of the input shaft is 1000 rpm, the second internal gear 18 is
When the rotation speed of the internal gear is rotated at 1 rpm in the same direction as the input shaft 1, the rotation speed of the output shaft 6 is increased.
The rotation speed becomes 1002 rpm, and the difference in rotation speed between the input shaft 1 and the output shaft 6 is 2 rpm. Here, when the second internal gear 18 is rotated at 1 rpm in the opposite direction to the input shaft, the rotation speed of the output shaft is reduced to 998 rpm, and the difference in rotation speed is 2 rpm.
以上のように本実施例の差動遊星歯車装置によ
ると、第２内歯歯車１８を回転させないときは、
入力軸１と同一と回転数で出力軸６を回転させる
ことができ、他方、第２内歯歯車１８を所定の回
転数で所定の方向に回転させることにより入力軸
１の回転数を中心に減速または増速された任意の
回転数を出力軸６に与えることができる。また本
実施例によると、入力軸１と出力軸６とが同軸上
に配設されるから差動装置として既存の設備にも
容易に取付けることができる。 As described above, according to the differential planetary gear device of this embodiment, when the second internal gear 18 is not rotated,
The output shaft 6 can be rotated at the same rotation speed as the input shaft 1, and on the other hand, by rotating the second internal gear 18 at a predetermined rotation speed in a predetermined direction, the output shaft 6 can be rotated around the rotation speed of the input shaft 1. It is possible to give the output shaft 6 any rotational speed that is decelerated or accelerated. Further, according to this embodiment, since the input shaft 1 and the output shaft 6 are arranged coaxially, it can be easily installed as a differential device in existing equipment.
尚、本実施例の応用例として、出力軸６を中空
とし入力軸１を貫通させることにより、入力軸１
を施盤のスピンドルとして使用し、出力軸６をス
ピンドルの先端に取付けた他の装置、例えば、工
具移動装置等の駆動用として使用することができ
る。 As an application example of this embodiment, the output shaft 6 is made hollow and the input shaft 1 passes through it.
can be used as a lathe spindle, and can also be used to drive other devices such as tool moving devices with the output shaft 6 attached to the tip of the spindle.
以上本発明の実施例について説明したが、本発
明はこのような実施例に何等限定されるものでは
なく、本発明の要旨を逸脱しない範囲において
種々なる態様で実施し得ることは勿論である。 Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments in any way, and it goes without saying that the present invention can be implemented in various forms without departing from the gist of the present invention.
発明の効果
以上詳述したように本発明の差動遊星歯車装置
によると、駆動機構により第２内歯歯車を任意の
回転数で任意の方向に回転させることにより、入
力軸の回転数を中心にして、出力軸の回転数を減
速若しくは増速させることができ、また第２内歯
歯車を回転させないときには入力軸と出力軸とを
同一回転数で回転させることができるという効果
を奏する。Effects of the Invention As detailed above, according to the differential planetary gear device of the present invention, the drive mechanism rotates the second internal gear in any direction at any rotation speed, so that the rotation speed of the input shaft is centered around the rotation speed of the input shaft. Thus, the rotational speed of the output shaft can be reduced or increased, and when the second internal gear is not rotated, the input shaft and the output shaft can be rotated at the same rotational speed.
また、遊星歯車を使用しているので、小型化す
ることができ、更に、太陽歯車が共に同軸上に配
設されるので既存の設備にも容易に取付けること
ができるという効果も奏する。 Furthermore, since planetary gears are used, it can be made smaller, and furthermore, since the sun gears are coaxially arranged, it can be easily installed in existing equipment.
第１図は本発明の一実施例としての差動遊星歯
車装置を示す断面図、第２図は第１図のＡ−Ａ断
面図、である。
１……入力軸、２……第１遊星歯車装置、４…
…第２遊星歯車装置、６……出力軸、２０……
腕、２６……リング、２８……ウオーム歯車。
FIG. 1 is a sectional view showing a differential planetary gear device as an embodiment of the present invention, and FIG. 2 is a sectional view taken along the line AA in FIG. 1... Input shaft, 2... First planetary gear device, 4...
...Second planetary gear device, 6...Output shaft, 20...
Arm, 26...ring, 28...worm gear.
Claims (1)
第１太陽歯車を備えた第１遊星歯車機構と、回動
自在に支持された第２内歯歯車、第２遊星歯車及
び第２太陽歯車を備えた第２遊星歯車機構とを有
し、両遊星歯車機構の各歯車をそれぞれ同一歯数
に形成し、上記第１太陽歯車及び第２太陽歯車を
同軸上に配すると共に、上記第１太陽歯車及び第
２太陽歯車の一方を入力軸、他方を出力軸とし、 かつ上記第１遊星歯車機構と上記第２遊星歯車
機構との各々の遊星歯車を別個に回動自在に支持
する支持部材を回動自在に支承し、 上記第２遊星歯車機構の第２内歯歯車を回転さ
せる駆動機構により第２内歯歯車を回転して、上
記出力軸を増減速させることを特徴とする差動遊
星歯車装置。[Scope of Claims] 1. A first planetary gear mechanism including a fixed first internal gear, a first planetary gear, and a first sun gear, a second internal gear rotatably supported, and a second a second planetary gear mechanism including a planetary gear and a second sun gear, each gear of both planetary gear mechanisms is formed to have the same number of teeth, and the first sun gear and the second sun gear are coaxially arranged. At the same time, one of the first sun gear and the second sun gear is used as an input shaft and the other as an output shaft, and each planetary gear of the first planetary gear mechanism and the second planetary gear mechanism is rotated separately. The second internal gear is rotated by a drive mechanism that rotatably supports a support member that supports the movably, and rotates the second internal gear of the second planetary gear mechanism, thereby increasing or decelerating the output shaft. A differential planetary gear device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60278551A JPS62137447A (en) | 1985-12-11 | 1985-12-11 | Differential planetary gear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60278551A JPS62137447A (en) | 1985-12-11 | 1985-12-11 | Differential planetary gear device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62137447A JPS62137447A (en) | 1987-06-20 |
| JPH0548366B2 true JPH0548366B2 (en) | 1993-07-21 |
Family
ID=17598835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60278551A Granted JPS62137447A (en) | 1985-12-11 | 1985-12-11 | Differential planetary gear device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62137447A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3596538A (en) * | 1968-12-05 | 1971-08-03 | Arthur R Braun | Speed changing device |
-
1985
- 1985-12-11 JP JP60278551A patent/JPS62137447A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3596538A (en) * | 1968-12-05 | 1971-08-03 | Arthur R Braun | Speed changing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62137447A (en) | 1987-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0510399A (en) | Planetary gears | |
| KR950034995A (en) | Geared motor | |
| JP5979568B1 (en) | Processing equipment | |
| JPS6037441A (en) | Gearing | |
| JPH078794Y2 (en) | Rotation drive for winding tube | |
| US4044632A (en) | Twin channel reduction drive with electric motor | |
| CN106015501A (en) | Differential gear reducer | |
| JPH0548366B2 (en) | ||
| JPS62167956A (en) | Main shaft device | |
| JP2016200201A (en) | Gear mechanism and hand mechanism capable of taking out power force from multi-directions | |
| GB2109489A (en) | A power drive | |
| JPS6388346A (en) | Differential epicyclic gearing | |
| JPH06307505A (en) | Differential plant gear transmission | |
| JPH102385A (en) | Reduction gear | |
| US5149310A (en) | Differential speed reducer | |
| JP3276185B2 (en) | Reduction gear | |
| JP2672994B2 (en) | Laser processing head | |
| JPS591862A (en) | Mechanical stepless transmission gear | |
| JPH0375784B2 (en) | ||
| JPS6125705A (en) | Speed change mechanism of electric drill | |
| JPH06103059B2 (en) | Differential planetary gear unit | |
| JPH10257716A (en) | Method of driving ball screw spline shaft | |
| JPH0349715B2 (en) | ||
| JPH0341176Y2 (en) | ||
| JPS639754A (en) | Transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |