FR2635152A3 - Plug-in connection for two shafts - Google Patents
Plug-in connection for two shafts Download PDFInfo
- Publication number
- FR2635152A3 FR2635152A3 FR8910432A FR8910432A FR2635152A3 FR 2635152 A3 FR2635152 A3 FR 2635152A3 FR 8910432 A FR8910432 A FR 8910432A FR 8910432 A FR8910432 A FR 8910432A FR 2635152 A3 FR2635152 A3 FR 2635152A3
- Authority
- FR
- France
- Prior art keywords
- plug
- key
- connection
- slot
- blind hole
- 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
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/0852—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
- F16D1/0864—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to tangential loading of the hub, e.g. a split hub
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
Description
Liaison enfichable pour deux arbres
L'invention concerne une liaison enfichable pour deux arbres, en particulier de l'arbre d'entraînement d'un moteur à l'arbre d'entrée d'une transmission, pour laquelle l'arbre d'entrée présente un tourillon de raccordement à trou borgne pour un tourillon d'enfichage sur l'arbre d'entrainement et les deux arbres comportant une rainure longitudinale pour une clavette.Plug-in connection for two shafts
The invention relates to a plug-in connection for two shafts, in particular from the drive shaft of a motor to the input shaft of a transmission, for which the input shaft has a connecting pin to blind hole for a pin on the drive shaft and the two shafts with a longitudinal groove for a key.
Dans les liaisons enfichables usuelles à ce jour, la précision d'ajustage n'est pas garantir par l'assemblage par enfichage des extrémités d'arbre et le bridage du moteur et de la transmission. C'est pourquoi il y a risque qu'en particulier dans la technique des asservissements à fonctionnement reversible à une fréquence d'enclenchements élevée, la clavette se desserre et que des vibrations apparaissent, de sorte que la liaison se désolidarise ou batte. Usuellement, la liaison par enfichage n'est plus accessible après l'accouplement du moteur et de la transmission sans que cela pose problème, de sorte qu'on ne peut plus effectuer aucune correction. In the usual plug-in connections to date, the accuracy of adjustment is not guaranteed by the plug-in assembly of the shaft ends and the clamping of the engine and the transmission. This is why there is a risk that, in particular in the technique of servos with reversible operation at a high engagement frequency, the key becomes loose and vibrations appear, so that the connection becomes detached or beats. Usually, the plug connection is no longer accessible after coupling the engine and the transmission without this causing problems, so that no correction can be made.
Le but de l'invention est de perfectionner une liaison enfichable du type précité, de sorte que cette dernière puisse toujours être bloquée, contrôlée et resserrée. The object of the invention is to improve a plug-in connection of the aforementioned type, so that the latter can always be blocked, checked and tightened.
Ce problème est résolu par une bague de serrage, à vis de serrage, entourant le trou borgne, la paroi du tourillon de raccordement dans la zone du trou borgne présentant une épaisseur correspondant à peu près à la clavette et comportant dans la zone de la rainure une fente ouverte radialement. This problem is solved by a tightening ring, with a tightening screw, surrounding the blind hole, the wall of the connecting pin in the region of the blind hole having a thickness roughly corresponding to the key and comprising in the region of the groove. a radially open slot.
Selon une autre caractéristique de l'invention, si la transmission est bridée sur le moteur par l'intermédiaire d'une bride annulaire, avec le tourillon de raccordement finissant à l'intérieur de la bride annulaire, cette dernière peut alors être pourvue d'ouvertures de passage radiales au niveau de la vis de serrage. According to another characteristic of the invention, if the transmission is flanged to the engine by means of an annular flange, with the connecting pin ending inside the annular flange, the latter can then be provided with radial passage openings at the clamping screw.
Selon une autre caractéristique de l'invention, la clavette repose de manière ajustée dans la fente du tourillon de raccordement. According to another characteristic of the invention, the key rests in an adjusted manner in the slot of the connection pin.
Selon une autre caractéristique de l'invention, la clavette s'ajuste avec un faible jeu circonférentiel dans la fente du tourillon de raccordement. According to another characteristic of the invention, the key adjusts with a small circumferential play in the slot of the connecting pin.
Selon une autre caractéristique de l'invention, sur la face diamétralement opposée à sa face ouverte, la fente de la bague de serrage est prolongée dans la matière de la bague de serrage. According to another characteristic of the invention, on the face diametrically opposite to its open face, the slot of the clamping ring is extended in the material of the clamping ring.
Diverses autres caractéristiques de l'invention ressortent de la description détaillée qui suit. Un mode de réalisation de l'invention est représenté à titre d'exemple non limitatif aux dessins annexés auxquels
La figure 1 représente en vue de côté et partiellement
coupée une liaison enfichable selon
l'invention, sur un moteur électrique à
transmission cycloïdale raccordée par
bridage; la figure 2 représente une coupe radiale le long de la
ligne II-II de la figure 1.Various other characteristics of the invention will emerge from the detailed description which follows. An embodiment of the invention is shown by way of nonlimiting example in the appended drawings to which
Figure 1 shows a side view and partially
cut a plug connection according to
the invention, on an electric motor with
cycloidal transmission connected by
clamping; Figure 2 shows a radial section along the
line II-II of figure 1.
La transmission cycloïdale 1 est directement bridée sur un moteur électrique 3, par l'intermédiaire d'une bride annulaire 2 dépassant en saillie. A l'intérieur de la bride annulaire 2, le moteur et la transmission sont reliés ensemble, côté entraînement, par l'intermédiaire d'une liaison enfichable 4. L'arbre entraîné du moteur 3 comporte un tourillon d'enfichage 5 s'engageant dans un trou borgne 6 situé dans le tourillon de raccordement 7 placé sur l'arbre d'entrée 8 de la transmission 1 et est relié à rotation à l'arbre d'entrée par l'intermédiaire d'une clavette 9. La paroi du tourillon de raccordement 7 est relativement mince et présente de préférence une épaisseur seulement très faiblement supérieure à la hauteur radiale de la clavette 9.Dans le but de recevoir la clavette, le tourillon comporte une fente axiale 10 continue, tandis qu'une rainure 11, dans laquelle la clavette s'ajuste par complémentarité de forme, est usuellement prévue sur le tourillon d'enfichage. The cycloidal transmission 1 is directly clamped on an electric motor 3, by means of an annular flange 2 projecting beyond. Inside the annular flange 2, the motor and the transmission are connected together, on the drive side, by means of a plug-in connection 4. The driven shaft of the motor 3 comprises a plug pin 5 engaging in a blind hole 6 located in the connecting pin 7 placed on the input shaft 8 of the transmission 1 and is connected in rotation to the input shaft by means of a key 9. The wall of the connecting pin 7 is relatively thin and preferably has a thickness only very slightly greater than the radial height of the key 9. In order to receive the key, the pin has a continuous axial slot 10, while a groove 11, in which the key adjusts by complementarity of shape, is usually provided on the plug pin.
Dans la zone du trou borgne 6, le tourillon de raccordement est entouré d'une bague de serrage 12 qui comporte une fente radiale ouverte 13, dont les extrémités de bague 14 et 15 situées en face l'une de l'autre peuvent être serrées à l'aide d'une vis 16. La fente 13 se prolonge sur une petite distance, radialement, sur la face opposée de la section transversale intérieure, en 17. In the region of the blind hole 6, the connection journal is surrounded by a clamping ring 12 which has an open radial slot 13, the ring ends 14 and 15 of which are opposite one another can be tightened using a screw 16. The slot 13 extends a short distance, radially, on the opposite face of the interior cross section, at 17.
La bride annulaire 2 entoure la liaison enfichable 4 et comporte à sa partie 18, rétractée radialement vers l'intérieur, et sur les faces diamétralement opposées, un trou 19 et 20 destiné à accéder à la vis de serrage 16, de sorte qu'après assemblage par enfichage des extrémités d'arbres et du bridage de la transmission et du moteur, la bague de serrage 12 peut être serrée pour garantir un appui sans jeu. Les dimensions de la fente 10 du tourillon de raccordement, à l'emplacement de la clavette 9, peuvent être choisie de manière à produire, soit un ajustement de forme entre ces dernières, et que l'effet de serrage de la bague de serrage ne s'exerce que sur la clavette. Si par contre la clavette repose avec un faible jeu radial dans la fente 10, la paroi de trou borgne est serrée sur le tourillon 5 lors du serrage de la vis de serrage. The annular flange 2 surrounds the plug-in connection 4 and comprises, at its part 18, retracted radially inwards, and on the diametrically opposite faces, a hole 19 and 20 intended to access the clamping screw 16, so that after assembly by plugging in the ends of the shafts and the flange of the transmission and the motor, the clamping ring 12 can be tightened to guarantee a support without play. The dimensions of the slot 10 of the connection pin, at the location of the key 9, can be chosen so as to produce either a shape adjustment between the latter, and that the tightening effect of the tightening ring is exerted only on the key. If, on the other hand, the key rests with a slight radial clearance in the slot 10, the blind hole wall is tightened on the pin 5 when the tightening screw is tightened.
La liaison enfichable présente des avantages particuliers dans le cas d'une application à l'accouplement de l'arbre entraîné d'un moteur à l'arbre d'entrée d'une transmission cycloidale; des transmissions de ce type sont en mesure d'assurer une transmission très précise du mouvement, pouvant être maintenue qualitativement à un niveau très élevé à l'aide de la liaison enfichable selon l'invention. The plug connection has particular advantages in the case of an application to the coupling of the driven shaft of a motor to the input shaft of a cycloidal transmission; transmissions of this type are able to ensure very precise transmission of the movement, which can be maintained qualitatively at a very high level using the plug-in connection according to the invention.
Claims (5)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8810094U DE8810094U1 (en) | 1988-08-08 | 1988-08-08 | Plug connection for two shafts |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2635152A3 true FR2635152A3 (en) | 1990-02-09 |
FR2635152B3 FR2635152B3 (en) | 1990-06-29 |
Family
ID=6826739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR898910432A Expired - Lifetime FR2635152B3 (en) | 1988-08-08 | 1989-08-02 | PLUG-IN LINK FOR TWO TREES |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH0280223U (en) |
DE (1) | DE8810094U1 (en) |
FR (1) | FR2635152B3 (en) |
IT (1) | IT216868Z2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103851092A (en) * | 2012-12-04 | 2014-06-11 | 住友重机械工业株式会社 | Shaft coupling structure |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004011361C5 (en) * | 2004-03-05 | 2009-09-17 | Neugart Gmbh | Connection of a slotted hollow shaft or the like with a shaft or a counterpart |
JP4964184B2 (en) * | 2008-04-21 | 2012-06-27 | 株式会社ツバキエマソン | Rotating shaft coupling structure and geared motor |
JP5201037B2 (en) * | 2009-03-18 | 2013-06-05 | 株式会社デンソーウェーブ | Flange mounting structure for robot shaft |
CN105375681B (en) * | 2015-12-16 | 2018-04-24 | 湖南机油泵股份有限公司 | A kind of bindiny mechanism between servomotor and gear reducer |
US20210115976A1 (en) * | 2018-07-03 | 2021-04-22 | Sew-Eurodrive Gmbh & Co. Kg | Clamping device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4068965A (en) * | 1976-11-08 | 1978-01-17 | Craneveyor Corporation | Shaft coupling |
DE3433635A1 (en) * | 1984-09-13 | 1986-03-20 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Coupling between a plastic shaft and a metal shaft |
-
1988
- 1988-08-08 DE DE8810094U patent/DE8810094U1/en not_active Expired
-
1989
- 1989-08-02 FR FR898910432A patent/FR2635152B3/en not_active Expired - Lifetime
- 1989-08-07 IT IT8921596U patent/IT216868Z2/en active
- 1989-08-08 JP JP1989092592U patent/JPH0280223U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103851092A (en) * | 2012-12-04 | 2014-06-11 | 住友重机械工业株式会社 | Shaft coupling structure |
CN103851092B (en) * | 2012-12-04 | 2016-04-27 | 住友重机械工业株式会社 | The connecting arrangement of axle |
Also Published As
Publication number | Publication date |
---|---|
IT216868Z2 (en) | 1991-10-07 |
DE8810094U1 (en) | 1988-09-29 |
JPH0280223U (en) | 1990-06-20 |
FR2635152B3 (en) | 1990-06-29 |
IT8921596V0 (en) | 1989-08-07 |
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