JPS62137447A - Differential planetary gear device - Google Patents
Differential planetary gear deviceInfo
- Publication number
- JPS62137447A JPS62137447A JP60278551A JP27855185A JPS62137447A JP S62137447 A JPS62137447 A JP S62137447A JP 60278551 A JP60278551 A JP 60278551A JP 27855185 A JP27855185 A JP 27855185A JP S62137447 A JPS62137447 A JP S62137447A
- Authority
- JP
- Japan
- Prior art keywords
- planetary gear
- gear
- planetary
- internal
- internal gear
- 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.)
- Granted
Links
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)
Abstract
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 OBJECTS OF THE INVENTION [Field of Industrial Application] The present invention relates to a differential planetary gear system, and more specifically, a differential planetary gear system 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 relates to gear devices.
［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里歯車装置には以
下の如き問題点があった。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。[Problems to be Solved by the Invention] However, such conventional differential idling 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.
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、現実的ではなかった。However, in order to obtain from the output shaft a rotation speed that is changed 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った。即ち、固定された内
歯歯車を備えた第１遊星歯車機構と、
回動自在に支持された内歯歯車を備え、該第１遊星歯車
機構と同軸上に配された第２遊星歯車機構と、
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
の遊星歯車を共に回動自在に支持する支持部材と、
上記第２遊星歯車機構の内歯歯車を回転させ、上記第１
遊星歯車機構と上記第２遊星歯車機構との遊星歯車間に
回転差を生じさせる駆動機構と、を備え回転を変速して
伝達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, a first planetary gear mechanism including a fixed internal gear, and a second planetary gear mechanism including a rotatably supported internal gear and disposed coaxially with the first planetary gear mechanism. , a supporting member rotatably supporting each of the planetary gears of the first planetary gear mechanism and the second planetary gear mechanism, and rotating the internal gear of the second planetary gear mechanism;
This is the configuration of a differential planetary gear device that includes a drive mechanism that creates a rotation difference between the planetary gears of the planetary gear mechanism and the second planetary gear mechanism, and transmits rotation at a variable speed.
ここで駆動機構は内歯歯車を回転させることかできる機
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. Furthermore, as a power source for the drive mechanism, for example, an AC motor, a DC motor,
A pulse motor may also be used.
［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、各々の遊星歯車を共に回動自在に
支持する支持部材を設け、更に内歯歯車の一方を固定し
、他方の内歯歯車を回動自在に支持して、該内歯歯車を
駆動機構により回転させることにより遊星歯車の回転数
を変え、一方の太陽歯車の回転を他方の太陽歯車に変速
して伝達するよう働く。[Function] The differential planetary gear device of the present invention having the above configuration includes two sets of planetary gear mechanisms, is provided with a support member that rotatably supports each planetary gear, and further supports one of the internal gears. A fixed internal gear is fixed, the other internal gear is rotatably supported, and the internal gear is rotated by a drive mechanism to change the rotation speed of the planetary gear, and the rotation of one sun gear is changed to the other sun gear. and work to communicate.
［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] Embodiments of the present invention will be described in detail below with reference to 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
ｔＮ１１、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 tN11 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 and the like that engage with the planetary gear device 4 and the second planetary gear device 4, pass through the input shaft 1, and transmit rotation to the outside are 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＠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 the first @ star gear 10 and are fixed are provided.
また、第２遊星歯車装置４には出力軸６の一喘に一体に
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２Ｍ星歯車１６、第２
Ｎ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
。Further, the second planetary gear device 4 includes a second sun gear 14 integrally formed with a part of the output shaft 6, and three second M star gears that mesh with the second sun gear 14 and are rotatably supported. 16, 2nd
A second internal gear 18 and the like meshed with the N star gear 16 are provided. In this embodiment, the first sun gear 8 and the second sun gear 14 have the same number of teeth, 36; the first planetary gear 10 and the second planetary gear 16 have the same number of teeth, 18; The 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２２．２
４により回動自在に支持されている。Furthermore, the first planetary gear 10 and the second planetary gear 16 each have three pins 22.2 on the arm 20 serving as a support member.
It is rotatably supported by 4.
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２８と噛合されている。従って
、第２内南歯車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 meshed with a worm gear 28 that is rotated by an external auxiliary drive source (not shown). Therefore, the second internal south gear can be rotated at any rotational speed by the 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が固定ざれているから、第１太陽歯車
８の廻りを公転し、これによりＩｌ！１ｉｉ２０も回転
する。従って、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内山歯車の回転
数がＯｒｐｍの時、即ら、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おるから、第２太１ｍ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。よって
、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 planetary gear 10 is rotated via the first sun gear 8. Here, the first planetary gear 10 is
Since the first internal gear 12 is fixed, it revolves around the first sun gear 8, so that Il! 1ii20 also rotates. 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. When 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 first sun gear 8, the second sun gear 14, and the first planetary gear 10 Since the number of teeth is the same as that of the second planetary gear 16, the rotation speed and direction of rotation of the second 1 m thick wheel 14 are the same as those of the first sun gear 8. Therefore, the rotation speed and rotation direction of the input shaft 1 and the output shaft 6 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１１００Ｏｒｐ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ＩＩＩ［ｌ１６の回転数は増速されて１１００２ｒｐ
となり入力軸１と出力軸６との回転数の差は２ ｒ ｐ
ｍとなる。ここで、第２内南歯車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２ｐｐｍとなる。Also, the second internal gear 18 is worm-driven by the auxiliary drive source.
For example, when the input shaft rotation speed is 1100 Orp and the second internal gear is rotated at 1 rpm in the same direction as the input shaft 1, the output III [l16 The rotation speed has been increased to 11002 rpm
Therefore, the difference in rotation speed between input shaft 1 and output shaft 6 is 2 r p
m. Here, when the second inner south 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 ppm.
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を回転ざぜないときは、入力軸１と同一
の回転数で出力軸６を回転さＵ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。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, On the other hand, by rotating the second internal gear 18 at a predetermined rotation speed in a predetermined direction, an arbitrary rotation speed that is decelerated or accelerated around the rotation speed of the input shaft 1 can be applied to the output shaft 6. .
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。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ＷＡｒｉｉ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（’Ｊ Ｃプた他の装置、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。In addition, as an application example of this embodiment, the output shaft 6 is made hollow and the input shaft 1 passes through it, so that the input shaft 1 is used as a spindle of WArii, and the output shaft 6 is attached to the tip of the spindle ('J C plate). It can also be used to drive other devices such as tool moving devices.
以上本発明の実施例について説明したが、本発明はこの
ような実施例に同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
ることは勿論でおる。Although the embodiments of the present invention have been described above, the present invention is not equally limited to these embodiments, 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、一方の太陽歯車の回転を好適
に変速して他方の太陽歯車に伝え、内歯歯車を回転させ
ないときは一方の太陽歯車の回転を同一回転数で他方の
太陽歯車に伝え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 internal gear at an arbitrary rotation speed in an arbitrary direction, thereby making it possible to suitably rotate one of the sun gears. When the internal gear is not rotated, the rotation of one sun gear can be transmitted to the other sun gear at the same 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)
機構と同軸上に配された第２遊星歯車機構と、 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
の遊星歯車を共に回動自在に支持する支持部材と、 上記第２遊星歯車機構の内歯歯車を回転させ、上記第１
遊星歯車機構と上記第２遊星歯車機構との遊星歯車間に
回転差を生じさせる駆動機構と、を備え回転を変速して
伝達する差動遊星歯車装置。[Scope of Claims] A first planetary gear mechanism including a fixed internal gear, and a second planetary gear mechanism including a rotatably supported internal gear and disposed coaxially with the first planetary gear mechanism. a planetary gear mechanism; a support member that rotatably supports each of the planetary gears of the first planetary gear mechanism and the second planetary gear mechanism; rotating the internal gear of the second planetary gear mechanism; 1st above
A differential planetary gear device that includes a drive mechanism that creates a rotation difference between planetary gears of a planetary gear mechanism and a second planetary gear mechanism, and transmits rotation by changing the speed.
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 true JPS62137447A (en) | 1987-06-20 |
| JPH0548366B2 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 |
|---|---|
| JPH0548366B2 (en) | 1993-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |