JPH0631239Y2 - Speed change mechanism - Google Patents
Speed change mechanismInfo
- Publication number
- JPH0631239Y2 JPH0631239Y2 JP1986145993U JP14599386U JPH0631239Y2 JP H0631239 Y2 JPH0631239 Y2 JP H0631239Y2 JP 1986145993 U JP1986145993 U JP 1986145993U JP 14599386 U JP14599386 U JP 14599386U JP H0631239 Y2 JPH0631239 Y2 JP H0631239Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring body
- input shaft
- electromagnetic brake
- coupling
- outer ring
- 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 - Lifetime
Links
Landscapes
- Braking Arrangements (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は主としてモーターからの回転を変速して出力軸
に伝達するための変速機構に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention mainly relates to a speed change mechanism for changing the speed of rotation from a motor and transmitting the speed to an output shaft.
（従来技術） 従来より種々の変速機構が提案されているが大小数組の
歯車の組合せで行う場合、変速範囲を広く採用すると装
置が大嵩さとなり又重量が嵩む等の欠点があった。(Prior Art) Conventionally, various speed change mechanisms have been proposed. However, when a combination of a large number of gears and a small number of gears is used, there is a drawback that the device becomes bulky and heavy if a wide shift range is adopted.
（技術的課題） 而して本考案は従来技術の欠点に鑑みなされたもので、
小型にして構造が簡単で比較的変速範囲を広く採れるよ
うな変速機構を得ることを技術的課題とするものであ
る。(Technical problem) Therefore, the present invention has been made in view of the drawbacks of the prior art.
It is a technical object to obtain a speed change mechanism that is small in size, has a simple structure, and has a relatively wide speed range.
（技術的手段） 本考案では上記の技術的課題を解決するために、入力軸
にハーモニックドライブ装置を取付け、該ハーモニック
ドライブ装置を電磁ブレーキ又はディスクブレーキと電
磁クラッチとの切換選択操作により減速機又はカップリ
ング装置として作動せしめて出力軸より回転出力を負荷
へ伝達すべく成してある。(Technical Means) In order to solve the above-mentioned technical problems, the present invention attaches a harmonic drive device to an input shaft, and the harmonic drive device is operated by a switching selection operation between an electromagnetic brake or a disc brake and an electromagnetic clutch to reduce the speed of a reduction gear or It is designed to operate as a coupling device to transmit the rotational output from the output shaft to the load.
具体的には図示の実施例に示す如く下記の構成となる。Specifically, it has the following configuration as shown in the illustrated embodiment.
Ｐは変速機構本体、１は入力軸で減速機２を介してモー
ター３に連結してある。P is a transmission mechanism main body, and 1 is an input shaft, which is connected to a motor 3 via a speed reducer 2.
尚、モーター３を入力軸１に直結してもよい。The motor 3 may be directly connected to the input shaft 1.
４は入力軸１に一体的に固定した電磁コイル５を有する
電磁クラッチ、６はボールベアリング、７は外輪体で前
記電磁クラッチ４とΔ１なる間隙を有して対向せしめ
てあり、電磁コイル５に電流が流れて電磁クラッチ４が
働くと外輪体７は矢標Ａ方向に吸引され電磁クラッチ４
と外輪体７とは一体的に結合し、電流を切ると外輪体７
はフリーの状態と成るように構成してある。２４はボル
ト９により外輪体７と一体的に結合せしめた電磁ブレー
キアーマチュアで電磁コイルを有する電磁ブレーキ１１
とΔ２なる間隙を有して対向せしめてある。Reference numeral 4 is an electromagnetic clutch having an electromagnetic coil 5 integrally fixed to the input shaft 1, 6 is a ball bearing, and 7 is an outer ring body opposed to the electromagnetic clutch 4 with a gap of Δ 1 between them. When a current flows to the electromagnetic clutch 4, the outer ring body 7 is attracted in the direction of arrow A and the electromagnetic clutch 4
And the outer ring body 7 are integrally connected, and when the current is cut off, the outer ring body 7
Is configured to be free. Reference numeral 24 is an electromagnetic brake armature integrally connected to the outer ring body 7 by a bolt 9 and an electromagnetic brake 11 having an electromagnetic coil.
And Δ 2 are provided so as to face each other.
この電磁ブレーキ１１は支柱２５に取付けてある。又電
磁ブレーキ１１に代えてディスクブレーキ（図示せず）
を採用してもよい。しかして、電磁コイル１０に電流を
流して電磁ブレーキ１１を働かせると電磁ブレーキアー
マチュア２４は矢標Ｂ方向に吸引され電磁ブレーキ１１
と外輪体７とは一体的となる。又電流を切ると外輪体７
はフリーの状態となる。１２は出力軸で、軸方向に移動
するが回転方向には出力軸１２と一体的に回転するよう
にした内輪体８を有する。The electromagnetic brake 11 is attached to a column 25. A disc brake (not shown) instead of the electromagnetic brake 11
May be adopted. When a current is applied to the electromagnetic coil 10 to activate the electromagnetic brake 11, the electromagnetic brake armature 24 is attracted in the direction of arrow B and the electromagnetic brake 11 is pulled.
And the outer ring body 7 are integrated. When the current is cut off, the outer ring 7
Will be free. An output shaft 12 has an inner ring body 8 that moves in the axial direction but rotates integrally with the output shaft 12 in the rotation direction.
１３は入力軸１に一体的に取付けたハーモニックドライ
ブ装置で主として楕円状のカム体１４とその外周縁に軸
方向に並列に出力軸側と入力軸側に遊嵌せしめた第１及
び第２のボールベアリング（１５，１６）と外周に歯部
１７を有する金属弾性体よりなる可撓性環体１８と該環
体１８に適宜その一部を噛合せしめた歯部１９及び１９
Ａを有する同じく並列に設けた出力軸側及び入力軸側の
第１及び第２の結合環体（２０，２１）とから構成して
ある。カム体１４はキー１４Ａを介して入力軸に固定し
てあり、軸方向に移動するが回転方向には単独でずれ動
くことはない。結合環体２１の歯部１９Ａと可撓性環体
１８の歯部１７の歯数は同数であるが、結合環体２０の
歯部１９の歯数は可撓性環体１８の歯部１７の歯数より
２枚歯数を多くしてある。Reference numeral 13 denotes a harmonic drive device integrally attached to the input shaft 1, and mainly includes an elliptical cam body 14 and first and second first and second cam bodies 14 which are loosely fitted to the outer peripheral edge of the cam body 14 in parallel in the axial direction. A flexible ring body 18 made of a metal elastic body having ball bearings (15, 16) and tooth portions 17 on the outer circumference, and tooth portions 19 and 19 in which a part of the ring body 18 is appropriately meshed.
Similarly, the first and second coupling ring bodies (20, 21) on the output shaft side and the input shaft side that are provided in parallel with each other are included. The cam body 14 is fixed to the input shaft via the key 14A and moves in the axial direction but does not move independently in the rotation direction. The number of teeth 19A of the coupling ring 21 and the number of teeth 17 of the flexible ring 18 are the same, but the number of teeth 19 of the coupling ring 20 is the number of teeth 17 of the flexible ring 18. The number of teeth is two more than the number of teeth.
又結合環体２１はボルト２２を介して外輪体７に一体的
に取付けてあり、結合環体２０はボルト２３を介して内
輪体８に取付けてある。The coupling ring body 21 is integrally attached to the outer ring body 7 via bolts 22, and the coupling ring body 20 is attached to the inner ring body 8 via bolts 23.
又入力軸１に対しカム体１４、外輪体７は軸方向に多少
移動する回転方向には単独ですべり移動しないようにし
てある。更に出力軸１２に対し内輪体８は軸方向に多少
移動するが回転方向には単独ですべり移動しないように
してある。Further, the cam body 14 and the outer ring body 7 are designed so as not to slide independently in the rotational direction in which the cam body 14 and the outer ring body 7 move a little with respect to the input shaft 1. Further, the inner ring body 8 is slightly moved in the axial direction with respect to the output shaft 12, but is prevented from slipping by itself in the rotational direction.
換言すれば、出力軸１２、入力軸１に対し前記各部材
（８，１４，７）は単独で軸方向に移動するが回転方向
には該出力軸１２、入力軸１と一体的に回転するように
成してある。In other words, the respective members (8, 14, 7) independently move with respect to the output shaft 12 and the input shaft 1 in the axial direction, but rotate integrally with the output shaft 12 and the input shaft 1 in the rotation direction. It's done like this.
尚、ハーモニックドライブ装置１３の原理的動作説明を
以下に簡単に述べる。The principle of the harmonic drive device 13 will be briefly described below.
結合環体２１を固定状態にしカム体１４を回転せしめる
と可撓性環体１８は楕円状に弾性変形し長軸部で結合環
体２０及び２１と歯が噛合し短軸部で歯は離反状態とな
り結合環体２０及び２１との噛み合い位置が順次移動す
る。When the coupling ring body 21 is fixed and the cam body 14 is rotated, the flexible ring body 18 is elastically deformed into an elliptical shape, the coupling ring bodies 20 and 21 mesh with the teeth on the major axis portion, and the teeth separate on the minor axis portion. Then, the meshing positions with the coupling ring bodies 20 and 21 are sequentially moved.
カム体１４が１回転した時、結合環体２０は可撓性環体
１８より歯数が２枚多い為相対的に回転方向にズレを生
ずる。しかし結合環体２１と可撓性環体１８との歯数は
等しく結合環体２１は固定状態にあるので可撓性環体１
８は回転方向にズレ移動しない。従って結合環体２０が
カム体１４の回転方向に歯数２枚分移動しその移動を減
速出力として取り出すものである。When the cam body 14 makes one rotation, the coupling ring body 20 has two more teeth than the flexible ring body 18, so that the coupling ring body 20 is relatively displaced in the rotation direction. However, since the coupling ring body 21 and the flexible ring body 18 have the same number of teeth, the coupling ring body 21 is in a fixed state, and therefore the flexible ring body 1 is fixed.
8 does not move in the rotational direction. Therefore, the coupling ring body 20 moves by two teeth in the rotation direction of the cam body 14, and the movement is taken out as a deceleration output.
（作用） 上記の技術的手段は下記の如く作用する。(Operation) The above technical means operates as follows.
（Ａ）減速機として使用する場合、 先ず、電磁クラッチ４を不作動状態にしておいてから電
磁ブレーキ１１を作動状態にし、電磁ブレーキアーマチ
ュア２４を矢標Ｂ方向に吸引固定する。(A) When used as a speed reducer, first, the electromagnetic clutch 4 is deactivated, the electromagnetic brake 11 is activated, and the electromagnetic brake armature 24 is attracted and fixed in the arrow B direction.
然る時、電磁ブレーキアーマチュア２４とボルト９を介
して一体の外輪体７及び該外輪体７とボルト２２を介し
て一体の結合環体２１は固定状態になされる。At this time, the outer ring body 7 integrated with the electromagnetic brake armature 24 via the bolt 9 and the coupling ring body 21 integrated with the outer ring body 7 via the bolt 22 are fixed.
次に、モーター３を回転せしめるとその回転力は減速機
２を介して入力軸１を所定方向に回転せしめると共にカ
ム体１４も同体に同方向に回転するが結合環体２１は前
記した如く固定状態なので結合環体２０は前記したハー
モニックドライブの動作原理により、カム体１４に対し
同方向に減速回転せしめられることとなる。その減速回
転はボルト２３、内輪体８を介して出力軸１２に伝達さ
れ該出力軸１２は所定の減速回転数で所定方向に回転せ
しめられ負荷（図示せず）にその回転力を伝達する。Next, when the motor 3 is rotated, its rotational force causes the input shaft 1 to rotate in a predetermined direction via the speed reducer 2 and the cam body 14 also rotates in the same direction, but the coupling ring body 21 is fixed as described above. In this state, the coupling ring body 20 is decelerated and rotated in the same direction with respect to the cam body 14 according to the operation principle of the harmonic drive described above. The decelerated rotation is transmitted to the output shaft 12 via the bolts 23 and the inner ring body 8, the output shaft 12 is rotated in a prescribed direction at a prescribed decelerated rotation speed, and the rotational force is transmitted to a load (not shown).
（Ｂ）カップリングとして使用する場合、 先ず、電磁ブレーキ１１を不作動状態にしておいてか
ら、電磁クラッチ４を作動状態にし、外輪体７を矢標Ａ
方向に吸引結合する。(B) When used as a coupling: First, the electromagnetic brake 11 is deactivated, then the electromagnetic clutch 4 is activated, and the outer ring body 7 is moved to the arrow A.
Suction coupled in the direction.
然る時、外輪体７とボルト２２を介して一体の結合環体
２１も一体的に結合状態となる。At that time, the integral coupling body 21 is also integrally coupled via the outer ring body 7 and the bolt 22.
次にモーター３を回転せしめるとその回転力は減速機２
を介して入力軸１を所定方向に回転せしめると共にカム
体１４も同体に同方向に回転する。Next, when the motor 3 is rotated, its rotational force is reduced by the speed reducer 2.
The input shaft 1 is rotated in a predetermined direction through the cam body 14 and the cam body 14 is also rotated in the same direction.
一方、下段の結合環体２１と可撓性環体１８と上段の結
合環体２０とは三者一体的な状態にあるのでこれら三者
（２１，１８，２０）は同体に同方向に回転し、結合環
体２０とボルト２３を介して一体の内輪体８及び出力軸
１２を同体に同方向に回転せしめる。On the other hand, since the lower connecting ring 21, the flexible ring 18 and the upper connecting ring 20 are in a three-body integrated state, these three members (21, 18, 20) rotate in the same direction in the same body. Then, the inner ring body 8 and the output shaft 12 which are integrated through the coupling ring body 20 and the bolt 23 are rotated in the same direction in the same body.
（効果） 而して、本考案は下記の如き特有の効果がある。(Effect) Therefore, the present invention has the following unique effects.
入力軸と出力軸との同一軸上で減速と常速との速度切換
えを簡単な構成により容易に行い得、又、重量も軽く、
更にコンパクト化することも出来る利点がある。Speed can be switched between deceleration and normal speed on the same axis of the input and output shafts with a simple structure, and the weight is light.
There is an advantage that it can be made more compact.
第１図は本考案の要部の拡大縦断側面図、第２図は第１
図のＸ−Ｘ線部分の縮小平面図である。 第３図はハーモニックドライブ装置の要部の分解斜視図
である。 １……入力軸、４……電磁クラッチ ７……外輪体、８……内輪体 １３……ハーモニックドライブ装置 １４……カム体FIG. 1 is an enlarged vertical side view of an essential part of the present invention, and FIG.
It is a reduction plan view of the XX line portion of a figure. FIG. 3 is an exploded perspective view of a main part of the harmonic drive device. 1 ... Input shaft, 4 ... Electromagnetic clutch 7 ... Outer ring body, 8 ... Inner ring body 13 ... Harmonic drive device 14 ... Cam body
Claims (1)
置すると共に、ハーモニックドライブ装置１３を、入力
軸１に取り付けたカム体１４と、このカム体１４の外周
に位置し軸方向に並列に出力軸側と入力軸側に設けた第
１及び第２のボールベアリング１５，１６と、これらボ
ールベアリングの外側に設けた可撓性環体１８と、可撓
性環体１８の外側に位置し同じく並列に設けた出力軸側
の第１の結合環体２０及び入力軸側の第２の結合環体２
１とから構成する一方、前記入力軸１に、外輪体７と前
記ハーモニックドライブ装置１３とを夫々軸方向に移動
可能に装着し、該外輪体７に電磁クラッチ４を対向配設
する他方、出力軸１２に内輪体８を軸方向に移動可能に
装着し、該内輪体８の外側にこの内輪体とは別体の電磁
ブレーキアーマチュア２４を設け、この電磁ブレーキア
ーマチュア２４を上記外輪体７に固定し、この電磁ブレ
ーキアーマチュア２４に電磁ブレーキ１１、ディスクブ
レーキ等のブレーキを対向配設すると共に、上記ハーモ
ニックドライブ装置１３の第１の結合環体２０と内輪体
８とをボルト２３により連結し、同じく第２の結合環体
２１と外輪体７とをボルト２２により連結してあること
を特徴とする変速機構。1. An input shaft 1 and an output shaft 12 are arranged on the same shaft center, a harmonic drive device 13 is mounted on the input shaft 1, and a cam body 14 is provided on the outer periphery of the cam body 14. Of the first and second ball bearings 15 and 16 provided on the output shaft side and the input shaft side in parallel in the direction, the flexible ring body 18 provided outside these ball bearings, and the flexible ring body 18 A first coupling ring body 20 on the output shaft side and a second coupling ring body 2 on the input shaft side that are located outside and are also provided in parallel
On the other hand, the outer ring body 7 and the harmonic drive device 13 are mounted on the input shaft 1 so as to be movable in the axial direction, and the electromagnetic clutch 4 is arranged to face the outer ring body 7. The inner ring body 8 is attached to the shaft 12 so as to be movable in the axial direction, an electromagnetic brake armature 24 separate from the inner ring body is provided on the outer side of the inner ring body 8, and the electromagnetic brake armature 24 is fixed to the outer ring body 7. Then, a brake such as an electromagnetic brake 11 and a disc brake is arranged opposite to the electromagnetic brake armature 24, and the first coupling ring body 20 and the inner ring body 8 of the harmonic drive device 13 are connected by a bolt 23. A transmission mechanism characterized in that the second coupling ring body (21) and the outer ring body (7) are connected by bolts (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986145993U JPH0631239Y2 (en) | 1986-09-24 | 1986-09-24 | Speed change mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986145993U JPH0631239Y2 (en) | 1986-09-24 | 1986-09-24 | Speed change mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6353042U JPS6353042U (en) | 1988-04-09 |
| JPH0631239Y2 true JPH0631239Y2 (en) | 1994-08-22 |
Family
ID=31058043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986145993U Expired - Lifetime JPH0631239Y2 (en) | 1986-09-24 | 1986-09-24 | Speed change mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631239Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3805607A4 (en) * | 2018-06-02 | 2022-03-02 | Unipres Corporation | Two-step transmission for electric vehicle |
| WO2019230021A1 (en) * | 2018-06-02 | 2019-12-05 | ユニプレス株式会社 | Two-step transmission for electric vehicle |
| CN111425569A (en) * | 2020-05-11 | 2020-07-17 | 常州岩马机械有限公司 | Electromagnetic control forward and backward installation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3211616C1 (en) * | 1982-03-30 | 1983-12-22 | Balcke-Dürr AG, 4030 Ratingen | Manual transmission |
| JPS59212556A (en) * | 1983-05-17 | 1984-12-01 | Haamonitsuku Drive Syst:Kk | Power transmission device |
-
1986
- 1986-09-24 JP JP1986145993U patent/JPH0631239Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6353042U (en) | 1988-04-09 |
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