FR2598766A1 - Speed reduction gear with an epicyclic gear train - Google Patents
Speed reduction gear with an epicyclic gear train Download PDFInfo
- Publication number
- FR2598766A1 FR2598766A1 FR8607495A FR8607495A FR2598766A1 FR 2598766 A1 FR2598766 A1 FR 2598766A1 FR 8607495 A FR8607495 A FR 8607495A FR 8607495 A FR8607495 A FR 8607495A FR 2598766 A1 FR2598766 A1 FR 2598766A1
- Authority
- FR
- France
- Prior art keywords
- teeth
- satellites
- crown
- reducer according
- central
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/2881—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two axially spaced central gears, i.e. ring or sun gear, engaged by at least one common orbital gear wherein one of the central gears is forming the output
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
Description
L'invention concerne un réducteur de vitesse à train épicycloïdal. The invention relates to a planetary gear reducer.
L'objet de l'invention se rattache au secteur technique des éléments et ensembles de technologie, notamment au moyen de transmission. The object of the invention relates to the technical sector of elements and sets of technology, in particular by means of transmission.
Le problème posé selon l'invention est d'obtenir une grande réduction de vitesse et d'augmenter le couple avec un encombrement réduit, tout en ayant une précision de fonctionnement importante avec un très faible jeu. Actuellement pour atteindre ce but, la plupart des systèmes de transmission proposés sont du type a mouvement harmonique ou bien du type de ceux dans lesquels au moins un élément roulant se déplace le long d'un élément flexible. The problem posed according to the invention is to obtain a large reduction in speed and to increase the torque with a reduced bulk, while having a significant operating precision with a very small clearance. Currently to achieve this goal, most of the Proposed transmission systems are of the harmonic movement type or else of the type in which at least one rolling element moves along a flexible element.
Les couts de revient sont relativement élevés, de plus le choix est limité quant aux rapports de réduction disponibles. The production costs are relatively high, moreover the choice is limited as for the reduction ratios available.
Compte tenu de cet état antérieur de la technique et des résultats a atteindre, l'invention s'est proposée de rFali- ser un réducteur 9 train Xpicycloïdal de grande précision et qui trouve une application particulièrement avantageuse pour transmettre un mouvement avec un très faible jeu et une très grande rigidité. Une application très intéressante apparat au niveau de la commande des servo-moteurs a courant continu ployés dans les automatismes. Taking into account this prior state of the art and the results to be achieved, the invention has proposed to make a 9-gear Xpicycloidal gearbox of high precision and which finds a particularly advantageous application for transmitting a movement with very little play and very high rigidity. A very interesting application appears at the level of the control of the DC servo-motors bent in the automatisms.
n cet effet, le variateu. de vitesse selon l'invention comprend essentiellent un planétaire central engrenant avec des satellites, lesdits satellites coopérant directement avec deux dentures concentriques relatives respectivement a une couronne fixe et å une couronne réceptrice mobile. n this effect, the variateu. speed according to the invention essentially comprise a central sun gear meshing with satellites, said satellites cooperating directly with two concentric teeth relative to a fixed crown and to a movable receiving crown respectively.
Pour fixer l'objet de l'invention, sans toutefois le limiter dans le dessin annexé
La figure 1 est une vue à caractère purement schématique illustrant le principe de fonctionnement du réducteur.To fix the subject of the invention, without however limiting it in the attached drawing
Figure 1 is a purely schematic view illustrating the operating principle of the reducer.
La figure 2 est une vue en coupe longitudinale du variateur. Figure 2 is a longitudinal sectional view of the drive.
La figure 3 est une vue en coupe transversale considé- rée selon la ligne 3-3 de la figure 2. Figure 3 is a cross-sectional view taken along line 3-3 of Figure 2.
La figure 4 est une vue en coupe transversale considé- ré. selon la ligne 4-4 de la figure 2. Figure 4 is a cross-sectional view considered. along line 4-4 of Figure 2.
Afin de rendre plus concret l'objet de l'invention, on
le décrit maintenant d'une manière non limitative en se référant aux exemples de réalisation des figures du dessin.In order to make the object of the invention more concrete, we
now describes it in a nonlimiting manner with reference to the exemplary embodiments of the drawing figures.
Le variateur de vitesse à train épicycloidal comprend un planetaire central (1) monté sur un arbre moteur () pour engrener avec des pignons satellites (2) tournant autour d'un axe (5) solidaire d'un porte-satellites (4) ou autres. Les satellites (2) engrènent intérieurement avec une couronne dentée
{3) centrEe sur l'arbre (n) du planétaire.The speed variator with planetary gear comprises a central planet (1) mounted on a motor shaft () for meshing with planet gears (2) rotating around an axis (5) integral with a planet carrier (4) or other. The satellites (2) mesh internally with a ring gear
{3) centered on the planetary shaft (n).
Selon l'invention, compte tenu des buts à atteindre,
Za couronne dentée (3) est en deux parties (3a) et (3b). La partie (3a) est fixe, tandis que la partie (3b) est mobile pour cùnstituer une couronne réceptrice.According to the invention, taking into account the goals to be achieved,
The toothed crown (3) is in two parts (3a) and (3b). The part (3a) is fixed, while the part (3b) is mobile for cùnstituer a receiving crown.
Les satellites (2) qui, a titre d'exemple indicatif nullement limitatif, sont au nombre de trois en étant disposés à
120v, sont exécutes chacun en deux parties (2a) et (2b) solidai res, et de nombre de dents différents, chacune des parties (2a) et (2b) coopérant respectivement avec la couronne fixe (3a) et
la couronne mobile (3b). Les diamètres d'engrènement des satellites (2a) et de la couronne (3a) d'une part et des satellites
12b) et de la couronne (3b) d'autre part, sont différents.The satellites (2) which, by way of nonlimiting indicative example, are three in number being arranged at
120v, are each executed in two parts (2a) and (2b) integral, and of different number of teeth, each of the parts (2a) and (2b) cooperating respectively with the fixed crown (3a) and
the movable crown (3b). The diameters of meshing of the satellites (2a) and of the crown (3a) on the one hand and of the satellites
12b) and the crown (3b) on the other hand, are different.
Eventuellement, pour certaines applications spécifi-
ques correspondant a des rapports de réduction particuliers,
chaque satellite (2) peut ;tre monobloc.Possibly, for certain specific applications
ques corresponding to particular reduction ratios,
each satellite (2) can be in one piece.
D'une manière particulièrement avantageuse, pour obtenir des rapports de réduction entiers, chaque couronne (3a) et
(3b), dont l'une est fixe et l'autre mobile, a un nombre de dents identiques. Cela s'avère particulièrement intéressant pour obtenir des rapports de réduction de 30, 50, 100, 150.In a particularly advantageous way, to obtain entire reduction ratios, each ring (3a) and
(3b), one of which is fixed and the other mobile, has an identical number of teeth. This is particularly advantageous for obtaining reduction ratios of 30, 50, 100, 150.
On donne ci-aprbs le nombre de dents nécessaires aux éléments du variateur pour obtenir de tels rapports. The number of teeth necessary for the variator components is given below to obtain such ratios.
Pour un rapport 30, le nombre de dents du planétaire central est de S0, le nombre de dents des satellites (2a) qui engrènent avec la couronne fixe (3a) est de 25, le nombre de dents des satellites (2b) qui engrènent avec la couronne rEcep- trice (3b) est de 22, chacune des couronnes (3a) et (3b) ayant un nombre de dents identique égal a 78. For a ratio 30, the number of teeth of the central planet is S0, the number of teeth of the satellites (2a) which mesh with the fixed ring (3a) is 25, the number of teeth of the satellites (2b) which mesh with the receiving crown (3b) is 22, each of the crowns (3a) and (3b) having an identical number of teeth equal to 78.
Pour un rapport 50, le nombre de dents du planétaire central est de 27, le nombre de dents des satellites (2a) qui engrènent avec la couronne fixe (3a) est de 25, le nombre de dents des satellites (2b) qui engrènent avec la couronne rEcep- trice (b) est de 23, chacune des couronnes (3a) et (3b) ayant un nombre de dents identique égal à 81. For a 50 ratio, the number of teeth of the central planet is 27, the number of teeth of the satellites (2a) which mesh with the fixed crown (3a) is 25, the number of teeth of the satellites (2b) which mesh with the receiving crown (b) is 23, each of the crowns (3a) and (3b) having an identical number of teeth equal to 81.
Pour un rapport 100, le nombre de dents du planétaire central est de 27, le nombre de dents des satellites < 2a) qui engrènent avec la couronne fixe (3a) est de 25, le nombre de dents des satellites (2b) qui engrènent avec la couronne réceptrice (3b) est de 24, chacune des couronnes (3a) et (3b) ayant un nombre de dents identique égal a 81. For a ratio 100, the number of teeth of the central planetary is 27, the number of teeth of the satellites <2a) which mesh with the fixed crown (3a) is 25, the number of teeth of the satellites (2b) which mesh with the receiving crown (3b) is 24, each of the crowns (3a) and (3b) having an identical number of teeth equal to 81.
Pour un rapport 150, le nombre de dents du planétaire central est de 21, le nombre de dents des satellites (2a) qui engrènent avec la couronne fixe (a) est de 30, le nombre de dents des satellites (2b) qui engrènent avec la couronne rEcep- trice (3b) est de 29, chacune des couronnes (3a) et (3b) ayant un nombre de dents identique égal à 84. For a ratio 150, the number of teeth of the central planetary is 21, the number of teeth of the satellites (2a) which mesh with the fixed crown (a) is 30, the number of teeth of the satellites (2b) which mesh with the receiving crown (3b) is 29, each of the crowns (3a) and (3b) having an identical number of teeth equal to 84.
I1 est bien évident que l'ensemble du train bpicycloï- dal ainsi décrit est convenablement intégré et logé dans un carter (4), formant avantageusement porte-satellites. It is obvious that the entire bpicycloidal train thus described is suitably integrated and housed in a casing (4), advantageously forming planet carrier.
Pour les rapports indiqués, le nombre de dents de chaque élément peut être multiple de ceux indiqués, dans un rapport entier ou fractionnaire. For the indicated ratios, the number of teeth of each element can be multiple of those indicated, in a whole report or fractional.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8607495A FR2598766B1 (en) | 1986-05-14 | 1986-05-14 | SPEED REDUCER WITH EPICYCLOIDAL TRAIN |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8607495A FR2598766B1 (en) | 1986-05-14 | 1986-05-14 | SPEED REDUCER WITH EPICYCLOIDAL TRAIN |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2598766A1 true FR2598766A1 (en) | 1987-11-20 |
FR2598766B1 FR2598766B1 (en) | 1991-05-03 |
Family
ID=9335625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8607495A Expired - Fee Related FR2598766B1 (en) | 1986-05-14 | 1986-05-14 | SPEED REDUCER WITH EPICYCLOIDAL TRAIN |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2598766B1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4942781A (en) * | 1988-01-06 | 1990-07-24 | Kabushiki Kaisha Toshiba | Differential planet gear unit |
EP0441144A2 (en) * | 1990-02-06 | 1991-08-14 | MAPE S.p.A | Improvements in epicyclic reduction gears |
CN107061637A (en) * | 2017-03-10 | 2017-08-18 | 安徽理工大学 | A kind of planetary transmission system of the double uniform flow dividing structure in parallel of planetary gear |
WO2020238816A1 (en) * | 2019-05-28 | 2020-12-03 | 周承岗 | Co-located differential reducer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB664297A (en) * | 1948-12-03 | 1952-01-02 | Wilhelm Gustav Stoeckicht | Improvements in speed-reduction gear |
-
1986
- 1986-05-14 FR FR8607495A patent/FR2598766B1/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB664297A (en) * | 1948-12-03 | 1952-01-02 | Wilhelm Gustav Stoeckicht | Improvements in speed-reduction gear |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4942781A (en) * | 1988-01-06 | 1990-07-24 | Kabushiki Kaisha Toshiba | Differential planet gear unit |
EP0441144A2 (en) * | 1990-02-06 | 1991-08-14 | MAPE S.p.A | Improvements in epicyclic reduction gears |
EP0441144A3 (en) * | 1990-02-06 | 1992-02-26 | Mape S.P.A | Improvements in epicyclic reduction gears |
CN107061637A (en) * | 2017-03-10 | 2017-08-18 | 安徽理工大学 | A kind of planetary transmission system of the double uniform flow dividing structure in parallel of planetary gear |
WO2020238816A1 (en) * | 2019-05-28 | 2020-12-03 | 周承岗 | Co-located differential reducer |
Also Published As
Publication number | Publication date |
---|---|
FR2598766B1 (en) | 1991-05-03 |
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ST | Notification of lapse |