JPH04102751A - Concentric two-output shaft reduction gear - Google Patents
Concentric two-output shaft reduction gearInfo
- Publication number
- JPH04102751A JPH04102751A JP21812790A JP21812790A JPH04102751A JP H04102751 A JPH04102751 A JP H04102751A JP 21812790 A JP21812790 A JP 21812790A JP 21812790 A JP21812790 A JP 21812790A JP H04102751 A JPH04102751 A JP H04102751A
- Authority
- JP
- Japan
- Prior art keywords
- output shaft
- gear
- shaft
- output
- planetary 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
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000035515 penetration Effects 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Retarders (AREA)
- Transmission Devices (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は同心の２本の出力軸から減速回転を取り出すよ
うにした減速機の構造に関し、更に詳しくは、１個の回
転駆動モータによって同心の２本の出力軸から減速回転
を取す畠すようにした減速機に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a structure of a speed reducer in which decelerated rotation is extracted from two concentric output shafts. This invention relates to a speed reducer that takes decelerated rotation from two output shafts.
（従来の技術）
攪拌槽の中には２本の回転軸に攪拌翼を取り付け、該攪
拌翼をモータによって同方向あるいは逆方向に減速回転
させて均一混合や反応促進を行なっている型式のものが
ある。(Prior art) A stirring tank is of a type in which stirring blades are attached to two rotating shafts, and the stirring blades are rotated at a reduced speed in the same or opposite directions by a motor to achieve uniform mixing and promote reaction. There is.
上記公知の減速機の一例を第２図及び第３図を参照して
説明する。An example of the above-mentioned known reduction gear will be explained with reference to FIGS. 2 and 3.
攪拌槽１には２本の出力軸２．３に取り付けられた攪拌
翼４．５が浸けられており、該出力軸２．３は個々のモ
ータ６．７によってそれぞれ別個に減速回転させられて
νする。Stirring blades 4.5 attached to two output shafts 2.3 are immersed in the stirring tank 1, and the output shafts 2.3 are individually rotated at reduced speed by individual motors 6.7. ν.
出力軸２は中空の出力軸３を貫通して設けられ、出力軸
２はモータ６の出力回転軸８に直結されている。出力軸
３は端部に歯車９が取り付けられており、該歯車９はモ
ータ３の出力回転軸１０に取り付けられたビニオン１１
と噛合している。モータ６．７は遊星歯車減速機等の減
速機付きモータとなっており、出力回転軸８．１０から
はモータの回転を減速して取り出すものとなっている。The output shaft 2 is provided to pass through a hollow output shaft 3, and the output shaft 2 is directly connected to the output rotation shaft 8 of the motor 6. A gear 9 is attached to the end of the output shaft 3, and the gear 9 is connected to a pinion 11 attached to the output rotating shaft 10 of the motor 3.
It meshes with. The motor 6.7 is a motor with a speed reducer such as a planetary gear speed reducer, and the rotation of the motor is decelerated and taken out from the output rotating shaft 8.10.
（発明が解決しようとする課題）
上記公知の減速機では、２本の出力軸２．３から減速回
転を取り出すために２個の減速機付きのモータ６．７を
設けた構造となっているため、減速回転の機構が複雑か
つ大形化する上、高コストとなってしまう。(Problem to be Solved by the Invention) The above-mentioned known reduction gear has a structure in which two motors 6.7 with reduction gears are provided in order to extract the reduced rotation from the two output shafts 2.3. Therefore, the deceleration rotation mechanism becomes complicated and large, and the cost becomes high.
更に、２個の減速機付きモータ６．７を設置しているた
め、攪拌槽１の上部構造に制約を受け、攪拌槽１のレイ
アットに困難が生ずる場合もあった。Furthermore, since two motors 6 and 7 with reduction gears are installed, the upper structure of the stirring tank 1 is restricted, and it may be difficult to lay out the stirring tank 1.
前記問題点を改善するため、１個のモータからの出力回
転を一方では第１の出力軸へ伝達し、他方では歯車伝達
機構を介して第２の出力軸へ伝達することも可能である
が、該歯車伝達機構が第２のモータと同様にスペースを
取る上、高コストの原因となってしまう。In order to improve the above problem, it is also possible to transmit the output rotation from one motor to the first output shaft on the one hand and to the second output shaft via a gear transmission mechanism on the other hand. , the gear transmission mechanism, like the second motor, takes up space and also causes high costs.
そこで、本発明の目的は、上記問題点を改善し、１個の
モータで２本の出力軸を減速回転させるようにすると同
時に機構をコンパクトにした同心２出力紬減速機を提供
するにある。SUMMARY OF THE INVENTION An object of the present invention is to improve the above-mentioned problems and to provide a concentric 2-output pongee speed reducer that allows one motor to rotate two output shafts at a reduced speed and at the same time has a compact mechanism.
（課題を解決するための手段）
本発明の特徴とするところは、モータの出力回転が減速
されて与えられる中間軸と、該中間軸に設けられた第１
の太陽歯車と、前記中間軸に設けられた第２の太陽歯車
と、前記第１の太陽歯車と噛合する公転遊星歯車と、該
公転遊星歯車と噛合する固定内歯歯車と、前記公転遊星
歯車の支持軸が固定される出力軸キャリヤと、該出力軸
キャリヤに設けられた第１の出力軸と、前記第２の太陽
歯車と噛合する固定遊星歯車と、該固定遊星歯車と内接
噛合する回転内歯歯車と、該回転内歯歯車に設けられた
中空の第２の出力軸とからなり、前記第１の出力軸が前
記第２の出力軸の中空部分を貫通して設けられてなるこ
とにある。(Means for Solving the Problems) The present invention is characterized by an intermediate shaft in which the output rotation of the motor is decelerated and provided, and a first shaft provided on the intermediate shaft.
a second sun gear provided on the intermediate shaft; a revolving planetary gear meshing with the first sun gear; a fixed internal gear meshing with the revolving planetary gear; and a revolving planetary gear. a first output shaft provided on the output shaft carrier; a fixed planetary gear that meshes with the second sun gear; and an output shaft carrier that meshes internally with the fixed planetary gear. It consists of a rotating internal gear and a hollow second output shaft provided on the rotating internal gear, and the first output shaft is provided to penetrate through the hollow part of the second output shaft. There is a particular thing.
（実施例） 以下、図によって本発明の詳細な説明する。(Example) Hereinafter, the present invention will be explained in detail with reference to the drawings.
第１図は、本発明の一実施例になる同心２出力軸減速機
の断面図である。FIG. 1 is a sectional view of a concentric two-output shaft reduction gear according to an embodiment of the present invention.
モータ２１の出力回転軸２２には第１の太陽歯＄２３が
設けられ、該第１の太陽歯車２３には第１の公転遊星歯
車２４が噛合している。また、第１の公転遊星歯車２４
は第１の固定内歯歯車２５にも内接噛合している。そし
て、第１の公転遊星歯車２４の支持軸２６は第１のキャ
リヤ２７に固定されている。ｔＩＩＪｌのキャリヤ２７
の中心には中間軸２８が設けられ、該中間軸２８には第
２の太陽歯車２９と第３の太陽歯車３０が設けられてい
る。A first sun gear $23 is provided on the output rotating shaft 22 of the motor 21, and a first revolving planetary gear 24 meshes with the first sun gear 23. In addition, the first revolving planetary gear 24
is also internally meshed with the first fixed internal gear 25. The support shaft 26 of the first revolving planetary gear 24 is fixed to the first carrier 27. tIIJl carrier 27
An intermediate shaft 28 is provided at the center of the intermediate shaft 28, and a second sun gear 29 and a third sun gear 30 are provided on the intermediate shaft 28.
第２の太陽歯車２９は第２の公転遊星歯車３１と噛合す
ると共に、第２の固定内歯歯車３２と内接噛合している
。そして、第２の公転遊星歯率３１の支持軸３３は出力
軸キャリヤ３４に固定されている。該出力軸キャリヤ３
４には第１の出力軸３５が一体あるいは別体に設けられ
ている。第１の出力軸３５には図示しない攪拌翼が設け
られている。The second sun gear 29 meshes with the second revolving planetary gear 31 and internally meshes with the second fixed internal gear 32 . The support shaft 33 of the second revolving planetary tooth ratio 31 is fixed to the output shaft carrier 34. The output shaft carrier 3
4 is provided with a first output shaft 35 either integrally or separately. The first output shaft 35 is provided with a stirring blade (not shown).
＄３の太陽−歯車３０には固定遊星歯車３６が噛合して
いる”。固定遊星歯車３６の支持軸３７はケーシング３
８に固定されており、該固定遊星歯車３６は回転内歯歯
車３９と内接噛合している。回転内歯歯車３９には第２
の出力軸４０が設けら”れている。第２の出力軸４０は
中空となっており、該中空部分を前記第１の出力軸３５
が貫通して設けられている。第２の出力軸４０は軸受４
１によって回転支持されており、該第２の出力軸４０に
は図示しない攪拌翼が設けられている。更に、第１の出
力軸３５と中空の第２の出力軸４０との間にも軸受４２
が設けられている。A fixed planetary gear 36 meshes with the sun gear 30 of $3. The support shaft 37 of the fixed planetary gear 36 is connected to the casing 3.
8, and the fixed planetary gear 36 is internally meshed with the rotating internal gear 39. The rotating internal gear 39 has a second
The second output shaft 40 is hollow, and the hollow portion is connected to the first output shaft 35.
is provided through it. The second output shaft 40 has a bearing 4
1, and the second output shaft 40 is provided with a stirring blade (not shown). Furthermore, a bearing 42 is also provided between the first output shaft 35 and the hollow second output shaft 40.
is provided.
以上のように構成された本発明の一実施例になる減速機
の作用を以下に説明する。The operation of the reduction gear according to an embodiment of the present invention configured as above will be explained below.
モータ２１の出力回転は出力回転軸２２に設けられた第
１の太陽歯車２３を介して第１の公転遊星歯車２４の公
転となり、該第１の公転遊星歯車２４の公転は支持軸２
６を介して第１のキャリヤ２７の減速回転として取り出
される。The output rotation of the motor 21 becomes the revolution of the first revolution planetary gear 24 via the first sun gear 23 provided on the output rotation shaft 22, and the revolution of the first revolution planetary gear 24 is caused by the revolution of the first revolution planet gear 24 through the first sun gear 23 provided on the output rotation shaft 22.
6 as the decelerated rotation of the first carrier 27.
そして、第１のキャリヤ２７は中間軸２８を介して第２
の太陽歯車２９及び第３の太陽歯車３０を回転させる。The first carrier 27 is connected to the second carrier via the intermediate shaft 28.
The sun gear 29 and the third sun gear 30 are rotated.
第２の太陽歯車２９は第２の公転遊星歯車３１を公転さ
せ、該第２の公転遊星歯車３１の公転は支持軸３３を介
して出力軸キャリヤ３４に与えられ、第１の出力軸３５
の減速回転として取り呂される。The second sun gear 29 revolves a second revolution planetary gear 31, and the revolution of the second revolution planetary gear 31 is applied to the output shaft carrier 34 via the support shaft 33,
It is regarded as a deceleration rotation.
第３の太陽歯車３０は固定遊星歯＄３６を回転（自転）
させ、該固定遊星歯車３６の回転によって回転内歯歯車
３９が減速回転され、該減速回転は第２の出力軸４０が
ら取り出される。The third sun gear 30 rotates (rotates) the fixed planetary tooth $36
The rotating internal gear 39 is rotated at a reduced speed by the rotation of the fixed planetary gear 36, and the reduced rotation is extracted from the second output shaft 40.
この実施例では、第１の出力軸３４の回転方向と第２の
出力軸４０の回転方向とは互いに逆方向となっている。In this embodiment, the rotation direction of the first output shaft 34 and the rotation direction of the second output shaft 40 are opposite to each other.
そして、中間軸２８の回転数を１とした場合の第１の出
力軸３５の減速比ｉ、は第２の太陽歯車２９の歯数をＺ
ｌ、固定内歯歯車３２の歯数を２２として
＝ １ ＋２２／Ｚ
ここで、符号子は第１の出力軸３５の回転方向が中間軸
２８の回転方向と同方向であることを示す。The reduction ratio i of the first output shaft 35 when the rotational speed of the intermediate shaft 28 is 1 is the number of teeth of the second sun gear 29 Z.
l, assuming that the number of teeth of the fixed internal gear 32 is 22 = 1 +22/Z Here, the sign indicates that the rotational direction of the first output shaft 35 is the same as the rotational direction of the intermediate shaft 28.
又、中間軸２８の回転数を１とした場合の第２の出力軸
４０の減速比１２は第３の太陽歯車３０の歯数を２３、
回転内歯歯車３９の歯数をＺ、として
ｉ ２ ＝ −ｚ ４／ ｚコ
ここで、符号−は第３の出力軸４０の回転方向が中間軸
２８の回転方向と逆方向であることを示す。Further, when the rotation speed of the intermediate shaft 28 is 1, the reduction ratio 12 of the second output shaft 40 is such that the number of teeth of the third sun gear 30 is 23,
Assuming that the number of teeth of the rotating internal gear 39 is Z, i 2 = −z 4/ z Here, the symbol − indicates that the rotation direction of the third output shaft 40 is opposite to the rotation direction of the intermediate shaft 28. show.
又、第１の出力軸３５と第２の出力軸４０との間の回転
比（ｉ、／ｉ２）は、
ｉ＋／ｉ２＝ （１＋Ｚｌ／２２）／（２４／２３）
となり、それぞれの歯数２１％ ２２．２５．２．を適
宜に選定することにより、広い範囲で設定できるものと
なる。Moreover, the rotation ratio (i, /i2) between the first output shaft 35 and the second output shaft 40 is: i+/i2= (1+Zl/22)/(24/23)
So, the number of teeth for each is 21% 22.25.2. By appropriately selecting , it is possible to set the value within a wide range.
以上のとおり、本発明によると第１の出力軸３５の回転
数の設定の自由度が大きくなって、第１の出力軸３５の
回転数の方を第２の出力軸４０の回転数よりも小さく設
定することも可能であり、かつ第１の出力軸３５と第２
の出力軸４０の回転比の設定自由度も太き（なる。As described above, according to the present invention, the degree of freedom in setting the rotation speed of the first output shaft 35 is increased, and the rotation speed of the first output shaft 35 is set higher than that of the second output shaft 40. It is also possible to set it small, and the first output shaft 35 and the second
The degree of freedom in setting the rotation ratio of the output shaft 40 is also large.
以上の説明に於いて、本発明は上記実施例に限定される
ものではない。In the above description, the present invention is not limited to the above embodiments.
例えば、上記実施例では中間軸２８の減速回転を１段の
遊星歯車減速機構で得ているが、２段以上の遊星歯車減
速機構であっても良い。For example, in the embodiment described above, the reduced rotation of the intermediate shaft 28 is obtained by a one-stage planetary gear reduction mechanism, but a two-stage or more planetary gear reduction mechanism may be used.
また、モータとして減速機付きモータを使用しても良い
。Furthermore, a motor with a speed reducer may be used as the motor.
（発明の効果）
以上のように構成された本発明の効果を上げると以下の
通りである。(Effects of the Invention) The effects of the present invention configured as described above are as follows.
１個のモータだけで同心の２本の出力軸がら回転を取り
出すことができるので、小形化、低コスト化が得られる
。Since rotation can be extracted from two concentric output shafts using only one motor, downsizing and cost reduction can be achieved.
内側の出力軸と外側の出力軸の回転比の設定自由度が大
きくなるので、内側の第１の出力軸の回転数の方を外側
の第２の出力軸の回転数の方よりも小さな回転数とする
ことができる。Since the degree of freedom in setting the rotation ratio between the inner output shaft and the outer output shaft increases, the rotation speed of the inner first output shaft is smaller than the rotation speed of the outer second output shaft. It can be a number.
モータの出力回転軸の中心と遊星歯車減速機構の回転中
心とが常に同心であるため、回転機構に偏りがなく、安
定した回転が得られる。Since the center of the output rotation shaft of the motor and the rotation center of the planetary gear reduction mechanism are always concentric, the rotation mechanism is not biased and stable rotation can be obtained.
遊星歯車減速機構を採用しているので、半径方向のスペ
ースに偏りがなく、はぼ円形のスペースであれば良いの
で、機器のレイアウトに支障を米たさない。Since it uses a planetary gear reduction mechanism, there is no bias in the space in the radial direction, and as long as it is a roughly circular space, it does not interfere with the layout of the equipment.
第１図は本発明の一実施例を示す断面図である。第２図
は本発明が適用される一例である攪拌槽を示す断面図で
あり、第３図は公知の同心２出力軸減速機を示す部分断
面図である。
２１：モータ、 ２２：出力回転軸、第１の太
陽歯車、
第１の公転遊星歯車、
第１の固定内歯歯車、
支持軸、 ２７：第１のキャリヤ、中間軸、
２９：第２の太陽歯車、第３の太陽歯車、
第２の公転遊星歯車、
第２の固定内歯歯車、
支持軸、 ３４：出力軸キャリヤ、第１の出力
軸、 ３６：固定遊星歯車、支持軸、 ３８
：ケーシング、回転内歯歯車、 ４０：Ｊ２の出力軸１
．４２：軸受
復代理人 弁理士 辻 三部
第
図FIG. 1 is a sectional view showing one embodiment of the present invention. FIG. 2 is a sectional view showing a stirring tank as an example to which the present invention is applied, and FIG. 3 is a partial sectional view showing a known concentric two-output shaft speed reducer. 21: Motor, 22: Output rotating shaft, first sun gear, first revolving planetary gear, first fixed internal gear, support shaft, 27: first carrier, intermediate shaft,
29: second sun gear, third sun gear, second revolving planetary gear, second fixed internal gear, support shaft, 34: output shaft carrier, first output shaft, 36: fixed planetary gear, Support shaft, 38
: Casing, rotating internal gear, 40: J2 output shaft 1
．． 42: Bearing Sub-Agent Patent Attorney Tsuji Part 3 Diagram
Claims (2)
と、該中間軸に設けられた第１の太陽歯車と、前記中間
軸に設けられた第２の太陽歯車と、前記第１の太陽歯車
と噛合する公転遊星歯車と、該公転遊星歯車と噛合する
固定内歯歯車と、前記公転遊星歯車の支持軸が固定され
る出力軸キャリヤと、該出力軸キャリヤに設けられた第
１の出力軸と、前記第２の太陽歯車と噛合する固定遊星
歯車と、該固定遊星歯車と内接噛合する回転内歯歯車と
、該回転内歯歯車に設けられた中空の第２の出力軸とか
らなり、前記第１の出力軸が前記第２の出力軸の中空部
分を貫通して設けられてなることを特徴とする同心２出
力軸減速機。(1) An intermediate shaft whose output rotation is reduced and provided by the motor, a first sun gear provided on the intermediate shaft, a second sun gear provided on the intermediate shaft, and the first sun gear. A revolving planetary gear that meshes with the gear, a fixed internal gear that meshes with the revolving planetary gear, an output shaft carrier to which a support shaft of the revolving planetary gear is fixed, and a first output provided on the output shaft carrier. a shaft, a fixed planetary gear that meshes with the second sun gear, a rotating internal gear that internally meshes with the fixed planetary gear, and a hollow second output shaft provided on the rotating internal gear. A concentric two-output shaft speed reducer, characterized in that the first output shaft is provided to penetrate a hollow portion of the second output shaft.
構が、モータの出力回転軸と中間軸との間に設けられた
１段以上の遊星歯車減速機構であることを特徴とする請
求項第１項記載の同心２出力軸減速機。(2) A claim characterized in that the mechanism for decelerating the output rotation of the motor and transmitting it to the intermediate shaft is a one or more stage planetary gear reduction mechanism provided between the output rotation shaft of the motor and the intermediate shaft. The concentric two-output shaft reduction gear described in item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2218127A JP2772862B2 (en) | 1990-08-21 | 1990-08-21 | Stirrer with concentric 2-output shaft reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2218127A JP2772862B2 (en) | 1990-08-21 | 1990-08-21 | Stirrer with concentric 2-output shaft reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04102751A true JPH04102751A (en) | 1992-04-03 |
| JP2772862B2 JP2772862B2 (en) | 1998-07-09 |
Family
ID=16715061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2218127A Expired - Lifetime JP2772862B2 (en) | 1990-08-21 | 1990-08-21 | Stirrer with concentric 2-output shaft reducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2772862B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100407006B1 (en) * | 2000-04-06 | 2003-11-28 | 스미도모쥬기가이고교 가부시키가이샤 | Belt-type door opening and closing drive apparatus |
| KR100428653B1 (en) * | 2002-01-23 | 2004-04-28 | 주식회사 포엔 | A reduction gear apparatus generating multiple output |
| JP2008259987A (en) * | 2007-04-13 | 2008-10-30 | Hitachi Plant Technologies Ltd | Convection inducing device in tank |
| KR20150039737A (en) * | 2015-03-30 | 2015-04-13 | 하노스 주식회사 | Small size complex mixing device and its system |
| CN107654588A (en) * | 2017-10-23 | 2018-02-02 | 宝鸡泰华磁机电技术研究所有限公司 | Permanent magnet transmission torque-converters dual input shaft drive device |
| CN109654175A (en) * | 2019-01-18 | 2019-04-19 | 天津工业大学 | A kind of coaxial-type high power density composite transmission |
-
1990
- 1990-08-21 JP JP2218127A patent/JP2772862B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100407006B1 (en) * | 2000-04-06 | 2003-11-28 | 스미도모쥬기가이고교 가부시키가이샤 | Belt-type door opening and closing drive apparatus |
| KR100428653B1 (en) * | 2002-01-23 | 2004-04-28 | 주식회사 포엔 | A reduction gear apparatus generating multiple output |
| JP2008259987A (en) * | 2007-04-13 | 2008-10-30 | Hitachi Plant Technologies Ltd | Convection inducing device in tank |
| KR20150039737A (en) * | 2015-03-30 | 2015-04-13 | 하노스 주식회사 | Small size complex mixing device and its system |
| CN107654588A (en) * | 2017-10-23 | 2018-02-02 | 宝鸡泰华磁机电技术研究所有限公司 | Permanent magnet transmission torque-converters dual input shaft drive device |
| CN107654588B (en) * | 2017-10-23 | 2023-08-04 | 宝鸡泰华磁机电技术研究所有限公司 | Double-input shaft driving device of permanent magnet transmission torque converter |
| CN109654175A (en) * | 2019-01-18 | 2019-04-19 | 天津工业大学 | A kind of coaxial-type high power density composite transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2772862B2 (en) | 1998-07-09 |
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